110results about How to "Adjust relative position" patented technology

A multi-hole adjustable multi-variable-load hydraulic buffer comprises a base. An inner cylinder and the outer cylinder are concentrically and rigidly connected with the base. The inner cylinder is provided with inner cylinder damping holes in the circumferential direction. A reset spring is connected with a piston and the bottom of the inner cylinder. A piston rod is connected with the piston. Piston damping holes are formed in the outer wall of the piston. An adjudging knob is arranged at the front end of the piston rod. A locating pin penetrates through the outer cylinder and an end cover to be matched with a guide groove in the piston rod, and the rotation direction of the piston is fixed through the guide groove of the piston rod. According to the changing curve of loads, the damping holes according with the changing rule of the loads are formed in the wall surface of the inner cylinder, and the piston damping holes are formed along the outer wall of the piston; in the buffering process, a damping curve consistent with the changing curve of the loads is formed, and uniform buffering is achieved. Through the adjusting knob and the guide groove in the front end face of the piston rod, the rotation direction of the piston can be adjusted, the matching rule of the damping holes in the wall surface of the inner cylinder and the damping holes in the piston can be changed, in this way, the damping curve of the buffer is changed, and different loads are buffered.

The invention relates to a test system for the extension of a multi-axis and salt-spray corrosion fatigue crack. The test system comprises a fatigue tester for providing I-type, II-type, III-type and compound fatigue loads required by a test for a test sample through a pull-cut-twist multi-axis loading fixture, and further comprises a salt-spray corrosion environmental box, wherein the salt-spray corrosion environmental box comprises a salt-spray corrosion box body and a salt-spray pre-occurrence box body which are mutually communicated through a pipeline; the salt-spray pre-occurrence box body conveys air and salt water required by salt-spray forming to the salt-spray corrosion box body; the salt-spray corrosion box body provides a required salt-spray corrosion environment for the fatigue crack extension test; both the pull-cut-twist multi-axis loading fixture and the fatigue crack extension test sample are positioned in the salt-spray corrosion box body. Through the adoption of the test system, the fatigue crack extension rate and other fracture mechanics parameters under the combined action of multi-axis loads and the salt-spray corrosion environment can be measured relatively well, and thus the material selection design and the service life evaluation for marine engineering equipment serving in the salt-spray corrosion environment and under a complex stress state can be supported.

The invention provides a film forming apparatus, a film forming method, and an electronic device manufacturing method. The film forming apparatus according to the present invention is used for forminga vapor deposition material on a substrate via a mask, and includes: a vacuum chamber defining a space in which a vapor deposition process is performed; the substrate adsorption mechanism is arrangedin the vacuum chamber and is used for adsorbing a substrate; the magnetic force applying mechanism is arranged above the substrate adsorbing mechanism in the vacuum chamber and is used for applying magnetic force to the mask; and an alignment station, the alignment table is arranged on the first outer surface of the vacuum chamber; and a rotation mechanism for moving or rotating the substrate suction mechanism and the magnetic force application mechanism in at least one of a first direction, a second direction intersecting with the first direction, and a rotation direction with a third direction intersecting with the first direction and the second direction as an axis.

The invention discloses a wheel hub code-printing system which comprises a transfer line used for transferring wheel hubs, and a code printing machine. The wheel hub code-printing system further comprises a blocking mechanism used for limiting motion of the transfer line and a clamping mechanism used for positioning the wheel hubs. The clamping mechanism includes a first clamping mechanism and a second clamping mechanism. The first clamping mechanism and the second clamping mechanism are respectively disposed at the two sides of the transfer line. The first clamping mechanism and the second clamping mechanism do approaching or departing motion and clamp and fix a wheel hub, and the position where the wheel hub is fixed is in the operation range of the code printing machine. The invention further discloses an online wheel hub code-printing method. The wheel hub code-printing system of the invention not only can adjust the relative position between the code printing machine and a wheel hub, but also is applicable to wheel hubs of different dimensions.

A self-controllable wind-induced rain load simulation experimental device for buildings comprises a water storage tank, an alternating current driven water pump and a water separator, wherein the water outlet of the water storage tank is connected with the inlet of the alternating current driven water pump. The device also comprises a spraying system frame, wherein the spraying system frame is provided with spray heads distributed according to arrays; each spray head is connected with a horizontal rotary motor and is connected with a motor output shaft of the horizontal rotary motor; each row of horizontal rotary motor is connected with a cross beam; each cross beam is connected with the spraying system frame in a rotating manner; the spraying system frame is provided with vertical rotary motors with number corresponding to that of the cross beams; the output shaft of each vertical rotary motor is connected with each cross beam; an electromagnetic flow regulating valve is arranged between the alternating current driven water pump and the water separator; the water outlet of the alternating current driven water pump is connected with the inlet of the electromagnetic flow regulating valve; the outlet of the electromagnetic flow regulating valve is connected with the water inlet of the water separator; and each water outlet of the water separator is connected with the water inlet of each spray head.

The invention relates to a ceiling keel structure and a mounting method. The ceiling keel structure comprises first keels, connecting pieces and second keels, wherein the first keels are arranged on wall surfaces of a house; the connecting pieces comprise connecting parts, and first plumbing arms and second plumbing arms which are arranged oppositely; the upper parts of the first plumbing arms and the upper parts of the second plumbing arms are connected through the connecting parts; mounting openings are formed between the lower parts of the first plumbing arms and the lower parts of the second plumbing arms; the lower parts of the first plumbing arms are provided with first hanging parts; the lower parts of the second plumbing arms are provided with second hanging parts; the second keels are provided with third hanging parts; the connecting pieces straddle on the first keels; the firs keels are positioned between the first plumbing arms and the second plumbing arms; both the first hanging parts and the second hanging parts are buckled with the third hanging parts; the second keels are carried below the first keels. Secondary keels are carried on main keels through the connecting pieces, and the connecting pieces are stressed uniformly and are prevented from being deformed easily. The structure of a ceiling can be kept stable for a long time, the connecting pieces and the main keels can be connected without screws, and convenience is brought to mounting.

The invention discloses a building construction steel structural supporting beam. The building construction steel structural supporting beam comprises a fixed plate, a regulating mechanism is arrangedon the fixed plate, a screw and two moving rods are arranged on the regulating mechanism, moving grooves are formed in the two sides of the fixed plate, the two moving rods correspondingly penetratethrough the two moving grooves, auxiliary fixed mechanisms are arranged on the two sides of the fixed plate, and the two auxiliary fixed mechanisms are correspondingly connected with the two moving rods. According to the building construction steel structural supporting beam, the distance between the two moving rods can be convenient to regulate, so that the distance between two first U-shaped rods is rapidly regulated and fixed, the relative position between a first U-shaped plate and the moving rods can be well regulated, so that errors of the height and distance of two steel columns causedby misoperation and other reasons are well adapted, and the connecting firmness degree can be ensured; and meanwhile, the position of a cross beam can further be rapidly regulated, pressure of the outside world to a ceiling is effectively canceled, and the stability of the ceiling is effectively ensured.

The invention discloses a spray-coating process of an inner wall of a metal pipeline and belongs to the technical field of spray coating of paint. The spray-coating process comprises the following steps: step (1), treating an inner wall substrate; step (2), debugging spray-coating equipment; step (3), positioning a long-rod spraying gun; step (4), spray-coating the paint: stretching the long-rod spraying gun into the metal pipeline and carrying out paint spray coating on the inner wall of the metal pipeline through the long-rod spraying gun; in a spray-coating process, spray-coating a bracket by moving the long-rod spraying gun along the axial direction of the metal pipeline, and driving the long-rod spraying gun to rotate at a constant speed along an inner ring of a bearing so as to enable the long-rod spraying gun to move along a cylindrical spiral line track; and step (4) firing a coating. By adopting the spray-coating process disclosed by the invention, a target of uniformly spray-coating the inner wall of the metal pipeline with a large pipe diameter in one step is mainly realized and the quality of the fired coating on the inner wall of the metal pipeline is improved.

The invention discloses a B-ultrasonic diagnostic couch, and belongs to the field of B-ultrasonic diagnostic apparatuses. The B-ultrasonic diagnostic couch comprises an examination couch and a B-ultrasonic diagnostic apparatus which is arranged on one side of the head of the examination couch; the B-ultrasonic diagnostic apparatus comprises a host, and a display and a detection probe which are respectively connected with the host; a double-sided display screen is arranged on the examination couch; the double-sided display screen is arranged at one side of the couch body of the examination couch by a support frame; both the display and the double-sided display screen are touch screens capable of displaying touch positions; a touch screen controller respectively connected with the display and the double-sided display screen is arranged in the host; the support frame is a right-angled support frame; a support rod is arranged on the side part of the examination couch; a location column is vertically arranged at one end part of the support rod; a location slot is formed in the end part of the right-angled support frame; the location column is arranged in the location slot; the other end part of the support rod is connected with the double-sided display screen by a rotating device; doctors and patients perform man-machine communication conveniently, and comfort feeling of patients is improved; the B-ultrasonic diagnostic couch is convenient to use.

The invention discloses a limiting part for a silicon graphene insulation board and the silicon graphene insulation board comprising the same. The limiting part for the silicon graphene insulation board comprises a straight barrel-shaped limiting body, the outer surface of the limiting body is provided with at least one support part extending and protruding outwards, and the support part is used for placing and supporting a steel wire mesh. The silicon-graphene insulation board comprises an insulation board body, a plurality of steel wire meshes and at least one limiting part for the silicon-graphene insulation board, the limiting body and the multiple steel wire meshes are arranged in the insulation board body, and the ends of the steel wire meshes are placed on the support parts. The support parts can support and abut against the steel wire meshes, the height of the steel wire meshes can be effectively limited, and meanwhile, the relative positions of the steel wire meshes can be adjusted, so that the positions of the steel wire meshes in the graphene insulation board meet the preset requirement.

The invention discloses a handheld type cleaning tool and an operating method and a manufacturing method of the handheld type cleaning tool. The handheld type cleaning tool comprises a tool body assembly, a handle assembly, a lock-up mechanism and a positioning mechanism. The tool body assembly comprises an air inlet and an air outlet, and has the lengthwise extending direction; the handle assembly comprises a connecting end, a free end and a holding part, and has the extending direction limited by the free end and the connecting end; the connecting end is rotatably connected to the tool bodyassembly around the horizontal axis, and the degree of the included angle between the extending direction and the lengthwise extending direction is changed in the rotating process around the axis; thelock-up mechanism is fixedly arranged on the tool body assembly, and the positioning mechanism is movably arranged on the handle assembly; and when the cleaning tool is in the lock-up state, the positioning mechanism is in fit connection with the lock-up mechanism to prevent the handle assembly from rotating around the axis, and when the cleaning tool is in a releasing state, the positioning mechanism breaks away from the lock-up mechanism to allow the handle assembly to rotate around the axis. According to the handheld type cleaning tool and the operating method and the manufacturing methodof the handheld type cleaning tool, the vertical distance from the handle assembly and a wind gap is rotatably adjusted, so that different cleaning requirements or requirements of different users aremet.

The invention discloses a shock wave excitation apparatus capable of realizing excitation of a MEMS microstructure in a vacuum environment. The shock wave excitation apparatus comprises a substrate; a hand-operated triaxial displacement bench and a support are arranged on the substrate; a needle electrode unit pointing to a microstructure unit is arranged on a Z-axis slide carriage of the hand-operated triaxial displacement bench; the microstructure unit comprises an installation sleeve; an elastic pedestal is arranged on one end in an installation hole of the installation sleeve via press mounting; the elastic pedestal is in the shape of a circular ring slice and an annular boss is arranged at the central part of the elastic pedestal; a plate electrode is inlaid in the elastic pedestal via an insulation sleeve; the MEMS microstructure is mounted on the inner side of the elastic pedestal; an optical glass plate is arranged in on the other end in the installation hole via press mounting; the outer wall of the installation sleeve is provided with a vacuum joint along a radial direction; the needle electrode and the plate electrode are electrically connected with two poles of a high-voltage capacitor respectively; and the two poles of the high-voltage capacitor are electrically connected with the positive and negative electrodes of a high-voltage supply respectively. The shock wave excitation apparatus is firm in structure installation, simple and safe to operate and convenient for testing of the dynamic behavior parameters of the microstructure in the vacuum environment.

The invention relates to a multi-DOF (degree of freedom) automated stereoscopic seedbed system with adjustable light transmittance, comprising single seedbeds for bearing plant seedlings and including a main seedbed frame which is provided with grooves in two sides; seedbed supports vertically mounted on linear guides on a ground to mount the single seedbeds; rotary connection mechanisms arranged between the single seedbeds and the seedbed supports to connect them and which include a moving slider, a connection strip, a connection rotary shaft, a telescopic cylinder and a rotary connection shaft connected in sequence; a driving positioning mechanism for positioning and controlling movement of the system. Compared with the prior art, the multi-DOF automated stereoscopic seedbed system with adjustable light transmittance allows inclinations of the single seedbeds to be automatically adjusted and allows the seedbeds to be rotated to suitable angle, the positons are automatically adjusted according to the plant growth, light utilization rate of the seedbeds is increased, the cost are low, manpower, material and financial resources are saved, and the system meets the tendency of traditional greenhouses to develop to large-sized plant factories.

The invention relates to a roller adjusting driving mechanism in a web adjusting device of an assembling machine. The roller adjusting driving mechanism is characterized by comprising a slide shaft, a slide shaft seat, a lead screw, a nut, a bearing seat and a hand wheel, wherein the slide shaft is movably arranged in the slide shaft seat, and can slide in the axial direction; a slide guiding mechanism is arranged between the slide shaft and the slide shaft seat; the lead screw is supported and arranged in the bearing seat through a bearing assembly; the bearing seat is fixedly arranged at the back end of the slide shaft seat; one side of the bearing assembly is provided with a limiting table for limiting through the lead screw; the other side of the bearing assembly is fastened and fixed through a locking nut assembly; a concave cavity is formed in the center of the back part of the slide shaft; the front end of the lead screw extends into the concave cavity; a nut on the lead screw is fixed on the slide shaft; the hand wheel is fixedly arranged at the back end of the lead screw. The roller adjusting driving mechanism disclosed by the invention is simple in structure, and is convenient to operate; the stroke of a roller can be adjusted accurately, the relative positions of a web of H-shaped steel and a wing plate are more accurate, and the assembling accuracy, machining efficiency and automatic degree of the H-shaped steel are increased.

The invention discloses a grinding fluid distribution arm and belongs to the technical field of semiconductors. The grinding fluid distribution arm is positioned right above a grinding platen and can comprise a first mechanical arm, a second mechanical arm and a control module, the first mechanical arm is connected with one end of the second mechanical arm, a grinding fluid output port is formed at the other end of the second mechanical arm, and the control module controls swing of the first mechanical arm and the second mechanical arm so as to achieve control of grinding fluid spraying directions of the grinding fluid output port. By using the control module for controlling swing of the first mechanical arm and the second mechanical arm, the grinding fluid distribution arm can not only achieve flow control but also adjust opposite positions of the grinding fluid output port and the grinding platen, so that control of the grinding fluid spraying directions of the grinding fluid output port is achieved, and linear and distributive control is achieved finally.

The invention relates to the technical field of pipe bending machines, and especially relates to a pipe bending and cutting all-in-one machine for metal pipe machining. The pipe bending and cutting all-in-one machine for metal pipe machining comprises a machine body; a mandrel is arranged on the machine body; the mandrel is sleeved by a pipe; a pipe bending mechanism for bending the end part of the pipe is arranged at the end part of the machine body; the end part of the mandrel is coaxially connected with a connecting rod; the end part of the connecting rod is fixedly connected with the machine body; the diameter of the connecting rod is smaller than that of the mandrel; the connecting rod is sleeved with a limiting plate; the end of the pipe abuts against the limiting plate; the limitingplate is fixedly connected with one end of a first hydraulic cylinder; the first hydraulic cylinder is parallel to the connecting rod; the other end of the first hydraulic cylinder is fixed to the machine body; and a cutting mechanism for cutting the pipe at the joint of the mandrel and the connecting rod is arranged in the middle of the machine body. Cutting and bending one-time forming of the pipe can be achieved, so that the process and equipment are saved, and the purpose of reducing the cost is achieved.

The invention discloses a farming and stockbreeding waste fuel forming machine, and relates to the technical field of farming and stockbreeding waste utilization. The problem that existing farming andstockbreeding waste fuel production equipment is simplex in function and requires manual material transfer is mainly solved. The forming machine comprises a substrate and a crushing device and a compression device; a door-type frame is fixed to the upper surface of the substrate; the crushing device is mounted on the door-type frame; the compression device is mounted on one side of the crushing device; a conveying device is arranged at the position, below the crushing device and the compression device, of the upper surface of the substrate; and the conveying device comprises a third motor, afirst threaded rod, a movable block, a collecting frame, a mounting shaft, a gear and a rack. The crushing device, the compression device and the conveying device are arranged, waste can be sequentially conveyed to the position below the crushing device and the compression device through the conveying device, then fed into a conveyor belt to be fed to the next process, production line processing and integrated arranging are achieved, the automation degree is high, the work efficiency is improved, waste manual rotation is avoided, and the labor intensity of staff is relieved.

The invention discloses a spacing-adjustable T-shaped columnar workpiece clamping fixture for constructional engineering. The spacing-adjustable T-shaped columnar workpiece clamping fixture comprises a toothed belt, a clamping mechanism, a toothed belt pulley, a connecting motor, a motor base, limiting clamping sleeves, a supporting frame, a mounting clamping groove, a connecting inclined plate, a fixed guide plate, a limiting baffle and a clamping plate, wherein the limiting clamping sleeves used for limiting are symmetrically and slidably connected to the center of the upper end face of the supporting frame in a sleeving mode. According to the spacing-adjustable T-shaped columnar workpiece clamping fixture, the clamping mechanism is arranged, when T-shaped columnar workpieces with different radiuses are clamped in an adaptive mode, a fixed motor can drive a limiting toothed disc at the bottom to rotate through a transmission shaft, the limiting toothed disc can drive two sets of transmission gears to rotate at the same time, then the transmission gears can drive two sets of threaded rods to rotate, then the threaded rods can drive two sets of limiting clamping blocks to move in a guide sliding groove at the same time, then the relative position between two sets of limiting mechanisms is adjusted, then a subsequent device can adapt to different radiuses conveniently, and the adaptability of the device is improved.

The invention discloses a multi-axis detection platform, comprising a mounting base. A sliding block is movably connected to an upper surface of the mounting base, a main mounting stand column is mounted at the top end of the sliding block. A first adjusting assembly and a second adjusting assembly are mounted on an outer side of the main mounting stand column. The first adjusting assembly comprises a bracket supporting plate, a lateral positioning plate, a triangular reinforcing rib, a V-shaped bracket and a bracket mounting plate, the second adjusting assembly comprises a dovetail base, a horizontal beam, a mounting plate and an adjusting table. According to the multi-axial detection platform of the invention, the relative position of the sliding block can be adjusted by rotating a sliding block adjusting bolt, the auxiliary lifting assembly can be used for adjusting the height of the V-shaped bracket. The height of the mounting plate can be adjusted in a certain range when rotatingthe adjustment bolt, many parts can be adjusted in the whole apparatus, so that the equipment can meet different use environments. Meanwhile, the range in which the V-shaped bracket can support can also be easily adjusted, so that the application range is greatly improved, and the applicability is good.

The invention relates to a lifting mechanism of a steel bar truss bending component, which is specifically used for adjusting relative positions of a break angle body and a fixed body, and belongs to the technical field of steel bar trusses. The lifting mechanism comprises a first outer speed reducer and a second outer speed reducer; the first outer speed reducer and the second outer speed reducer are connected through an outer linkage connecting rod; the upper end of the first outer speed reducer is connected to a first outer screw rod; the first outer screw rod is connected to a first outer screw rod sleeve; the upper end of the second outer speed reducer is connected to a second outer screw rod; the second outer screw rod is connected to a second outer screw rod sleeve; the upper ends of both the first outer screw rod sleeve and the second outer screw rod sleeve are connected to a break angle frame; the break angle frame is connected into an outer sliding support frame in a sliding manner; inner sliding support frames are fixed at two sides of the break angle frame. The lifting mechanism of the steel bar truss bending component has a simple, compact and reasonable structure, and can adjust relative positions of the break angle body and the fixed body as well as the height of the break angle frame; the height adjustment is precise.

The invention provides a wind-resistant metal roof structure. The wind-resistant metal roof structure comprises a metal roof panel, an aluminum alloy support and a connecting mechanism; and the connecting mechanism comprises a first sliding sealing gasket, a second sliding sealing gasket, a compression spring, a connecting nut and a connecting bolt matched with the connecting nut. According to the wind-resistant metal roof structure, wind can be buffered to a certain extent, the risk that rigid connection easily causes damage to the metal roof panel and the aluminum alloy support is effectively avoided, and the wind resistance of the metal roof panel is improved. The invention further provides a construction method of the wind-resistant metal roof structure. The construction method comprises the following steps of S1, bottom plate installation; S2, support installation; S3, lining purlin installation; S4, construction of a PE vapor barrier film; S5, construction of the TPO waterproof coiled material; S6, aluminum alloy support installation; and S7, construction of the metal roof panel. According to the wind-resistant metal roof structure, through research and field implementation of the metal roof system construction technology under the FM certification standard, cost waste caused by a traditional construction technology is reduced, the construction period is shortened, and the construction quality is guaranteed.

The invention discloses a valve element and a water mixing valve applying the same. The valve element comprises a housing, wherein a cavity formed vertically is formed in the housing, a water inlet hole and a water outlet hole are formed in the housing, the water inlet hole and the water outlet hole communicate to the cavity, separately, an adjusting mechanism is arranged on the housing, a sealingblock is arranged in the cavity, and the adjusting mechanism is in linked connection to the sealing block to adjust the degree of the sealing block which blocks or connect a water flow between the water inlet hole and the water outlet hole. The invention provides the valve element capable of adjusting the temperature of mixed water and water mixing valve applying the same.

The invention relates to a spring self-limit filler cap, comprising a filler cap outer board, a filler cap inner board, a rotating shaft, a spring, a rotating leaf plate, a spring limit block and a spring touch board; the spring limit block is fixedly connected with the filler cap inner board, and the rotating end of the spring is pressed on the spring limit block before the filler cap is opened with a certain angle or after the filler cap is closed with a certain angle; the spring touch board is fixedly connected with the rotating leaf plate, and the rotating end of the spring is pressed on the spring touch board before the filler cap is opened with a certain angle or after the filler cap is closed with a certain angle; by adopting the spring self-limit filler cap in the technical proposal, as the rotating end of the spring is pressed on the spring limit block before the filler cap is opened with a certain angle or after the filler cap is closed with a certain angle, the spring force can not act on the rotating leaf plate all the time, in particular to the later period that the filler cap is opened, the spring force can not act on the rotating leaf plate, and back force of the spring can not be generated.

The invention discloses an adjustable sucker assembly. The adjustable sucker assembly comprises two suckers, wherein the two suckers are respectively provided with a connecting arm, the two connecting arms are respectively provided with a pothook, a primary sliding rod is arranged on the connecting arm of one sucker, a secondary sliding rod is arranged on the connecting arm of the other sucker, the primary sliding rod is provided with a sliding groove, the secondary sliding rod is provided with a sliding block, and the sliding block is arranged inside the sliding groove. According to the adjustable sucker assembly, the relative positions of the two suckers can be rapidly adjusted through relative sliding of the primary sliding rod and the secondary sliding rod, and the two suckers can be horizontally arranged as long as the primary sliding rod and the secondary sliding rod keep horizontal. Besides, a limiting block can be further arranged to prevent the primary sliding rod and the secondary sliding rod from exceeding the travel, and partial overlapping of the two suckers is avoided.

The invention discloses an impedance measuring component, an impedance measuring device and an impedance measuring method. The impedance measuring component comprises a pressing rod, a connecting shaft and a first probe, wherein the connecting shaft is connected with one end of the pressing rod; the first probe is fixed on the pressing rod; one end of the first probe is electrically connected with an electrode of an impedometer; when the pressing rod is pressed down, the other end of the first probe is electrically connected with a measuring point of an article to be measured. The impedance measuring device comprises the impedance measuring component. The impedance measuring device is adopted in the impedance measuring method. The difference of impedance of the article to be measured can be reduced, the measurement stability can be improved, and moreover the impedance measuring device is relatively rapid, convenient and flexible to measure, and is relatively wide in applicability.

A multi-hole adjustable multi-variable-load hydraulic buffer comprises a base. An inner cylinder and the outer cylinder are concentrically and rigidly connected with the base. The inner cylinder is provided with inner cylinder damping holes in the circumferential direction. A reset spring is connected with a piston and the bottom of the inner cylinder. A piston rod is connected with the piston. Piston damping holes are formed in the outer wall of the piston. An adjudging knob is arranged at the front end of the piston rod. A locating pin penetrates through the outer cylinder and an end cover to be matched with a guide groove in the piston rod, and the rotation direction of the piston is fixed through the guide groove of the piston rod. According to the changing curve of loads, the damping holes according with the changing rule of the loads are formed in the wall surface of the inner cylinder, and the piston damping holes are formed along the outer wall of the piston; in the buffering process, a damping curve consistent with the changing curve of the loads is formed, and uniform buffering is achieved. Through the adjusting knob and the guide groove in the front end face of the piston rod, the rotation direction of the piston can be adjusted, the matching rule of the damping holes in the wall surface of the inner cylinder and the damping holes in the piston can be changed, in this way, the damping curve of the buffer is changed, and different loads are buffered.

The invention discloses a crushing gap adjusting device of an impact crusher, and the device is used for adjusting the distance between an impact plate and an impact plate hammer. The device comprisesa cross beam, an adjusting mandrel mechanism, an external suspension mechanism and a driving adjusting mechanism, the adjusting mandrel mechanism comprises an adjusting mandrel, a lifting lug, a partition plate, a partition plate pin shaft and a partition plate pin shaft mounting piece; a partition plate support is arranged on the adjusting mandrel; the partition plate comprises a partition platepin shaft clamping part and an adjusting mandrel clamping part; and the external suspension mechanism comprises a screw rod, a seat cylinder and a spring. According to the crushing gap adjusting device of the impact crusher, the gap between the impact plate and the impact plate hammer in the impact crusher can be flexibly adjusted through the adjusting mandrel mechanism, the labor intensity of workers can be reduced through the driving adjusting mechanism, and the production efficiency is improved.

The invention relates to an automatic backwash filter and belongs to equipment for chemical industry. The automatic backwash filter comprises a shell, a filter screen, a liquid inlet, a liquid outlet and a draining outlet, wherein a valve rod sealing device is mounted at the center of the upper surface of the shell; the liquid inlet is connected with a lower cylinder; the liquid outlet is connected with an upper cylinder; a lower central valve hole is arranged on a lower end face of the upper cylinder; central valve holes are arranged on the upper and lower end faces of the lower cylinder; the draining outlet, the lower cylinder and the upper cylinder are all coaxial with the valve rod sealing device; an operation mechanism is mounted in the valve rod sealing device; the operation mechanism comprises a valve rod, an operation handle and a cylinder; a central valve hole is also arranged on the lower surface of the cylinder and a floating spindle is mounted in the central valve hole; a limiting sheet is fixed at the top end of the floating spindle; a lower valve clack is fixed at the lower end of the floating spindle; an upper valve clack and a middle valve clack are fixed at the middle part of the floating spindle; and the edge of the upper valve clack is connected with the filter screen. The automatic backwash filter can perform backwashing automatically without the help of manual operation; the equipment cost is low; the filter screen can keep clean and complete for a long term without specially stopping the work and production and disassembling the filter regularly; and the automatic backwash filter can be widely applied to chemical industry and a water supply and drainage system.

The electric puncturing machine is characterized by comprising a rack, a conveying assembly is arranged on the upper portion of the rack and fixedly connected with the rack, a puncturing assembly is arranged in the rack, the two sides of the conveying assembly are fixedly connected with each other, and the conveying assembly clamps and conveys edible mushroom sticks to penetrate through the puncturing assembly so that the edible mushroom sticks can be punctured; the motor is arranged on the lower portion of the rack and fixedly connected with the rack, the transmission assembly is arranged inthe rack and on the side face of the conveying assembly, the power input end of the transmission assembly is fixedly connected with the motor, the power output end of the transmission assembly is fixedly connected with the conveying assembly, and therefore power is transmitted to the conveying assembly. The working process is as follows: after the motor is started, the power shaft of the motor rotates to drive the transmission assembly to rotate, so that edible mushroom sticks are conveyed into the puncturing assembly by the first conveying belt and the second conveying belt; the first piercing component and the second piercing component located on the two sides of the conveying assembly pierce the side axial face of the edible mushroom stick.

The invention relates to a swinging processing platform and a filter processing device. The swinging processing platform comprises a workpiece processing table, a support frame, a first drive mechanism and a second drive mechanism; the support frame comprises a first rotating frame and a second rotating frame, and the first rotating frame is rotatably arranged on the second rotating frame and is driven to rotate in a first direction of the workpiece processing table; the workpiece processing table is rotatably arranged on the first rotating frame and driven to rotate in a second direction of the workpiece processing table; the first drive mechanism is connected with the workpiece processing table so as to drive the workpiece processing table to rotate; and the second drive mechanism is connected with the first rotating frame so as to drive the first rotating frame to rotate. Through the workpiece processing table capable of rotating, and the first rotating frame and the second rotatingframe which are rotatably connected in a sleeved mode, the problem that a swinging processing platform in the prior art cannot simultaneously realize bidirectional rotation in the transverse direction and the longitudinal direction is solved.