59results about How to "Reduce fixed difficulty" patented technology

The invention discloses an overturnable fixing device for plate processing. The overturnable fixing device comprises a working table, a U-shaped frame and a clamping mechanism. The U-shaped frame is arranged on the right side of the top of the working table, the bottom of the left side of the U-shaped frame is rotatably connected with a hinged support located on the working table through a rotating shaft, the upper portion and the lower portion of the inner side of the U-shaped frame each are provided with a group of clamping mechanism, the right side of the bottom of the U-shaped frame is provided with a first support on the working table, and the left side of the working table is further provided with a second support. The overturnable fixing device for plate processing is simple in structure, fixing processing in a vertical mode and a horizontal mode can be performed on a plate, the fixing difficulty is small, and the overturnable fixing device for plate processing is low in manufacturing cost, good in stability and favorable for popularization and application.

The invention discloses a turbine disc and blade locking mechanism for a turboprop engine. The turbine disc and blade locking mechanism comprises a turbine disc and a plurality of blades which are uniformly distributed at the periphery of the turbine disc, wherein mortise structures are uniformly distributed at the periphery of the turbine disc; each mortise structure is composed of a first mortise at the outer side and a second mortise at the inner side, and the first mortise communicates with the second mortise; the root parts of the blades are provided with tenon structures; each tenon structure is composed of a first tenon and a second tenon on the end part of the first tenon; the first tenons are embedded into the first mortises; the second tenons are embedded into the second mortises, and are locked and fixed through blocking plates embedded between the second tenons and the seond mortises. According to the turbine disc and blade locking mechanism for the turboprop engine disclosed by the invention, the blades are matched with the turbine disc though the tenons and the mortises, so that only the locking plates need to insert and bend, and therefore, operations are simple; andmoreover, the turbine disc and blade locking mechanism is novel in design, is simple and convenient in assembly, is high in practicability, is excellent in stable performance, and can be widely applied to turbines of various functions.

The invention discloses a circulation-promoting type motion function rehabilitation training device for hemiplegic ankles and a training method. According to the circulation-promoting type motion function rehabilitation training device for the hemiplegic ankles and the training method disclosed by the invention, accelerated-sharply passive plantar flexions are applied to rotation centers of anklejoints of lower limbs of sitting postures or supine postures, so that target back extensor muscles (tibialis anterior muscles) stretch, dorsal extension motion can be done immediately after the muscles are tensed and enlarged, and thus, the patient can be induced to actively do target random dorsal extension actions, and thus, stimulation is applied to neural circuits related with the dorsal extension motions; through repeated training, the effect of promoting circulation of the target neural circuits is achieved; and by adopting the rotation motion of the rotation centers surrounding the hemiplegic ankles, induction of the dorsal extension of the hemiplegic ankles is realized, and thus, the rehabilitation effect of inducing the target random dorsal extension actions and the repeated dorsal extension training is achieved.

The invention relates to a two-layer module bracket and a battery pack. The two-layer module bracket is mounted in a battery box body. and comprises a tray and a bracket; the tray is integrally moulded by adopting an aluminium profile moulding process and is internally hollowed; the lower end of the bracket is fixed to the interior of the battery box body; the upper end of the bracket is fixedly connected with the bottom of the tray; a mounting space used for mounting battery modules is formed between the tray and the inner wall of the battery box body. The invention provides the module bracket which is simple in structure and process moulding, and is fixed seamlessly; the overall module bracket is light in weight, low in mould cost, simple in processing moulding process, and high in structural strength; the overall production process does not have a welding process, can reduce pollution to the environment in production and shortens production time; a good module bracket can be formedby simply cutting a semi-moulded piece; moreover, the tray is internally hollowed and is light and convenient, so that physical consumption of an operator can be reduced, and the production efficiencyis improved.

The invention discloses a fashion boot production process which comprises the following production steps: A, carrying out combination forming of a shoe tree; B, preparing and selecting materials; C, carrying out primary processing forming on the materials; and D, carrying out production line forming of a fashion boot. The shoe tree in the step A is a safety shoe tree; the materials in the step B comprise a surface fabric, a lining, sewing threads, a counter, lining cloth, glue and die cutters for each part; and the step C of carrying out primary processing forming on the materials comprises the following sub-steps: a, cutting off the materials; and b, carrying out primary sizing of each part. The invention provides the fashion boot production process; resources of the shoe tree, which need to be invested in use, are reduced; production cost is saved; safety, convenience and the utilization rate of the space in the machining process are improved; production cost is further saved; and the utilization rate of production funds is promoted.

The invention discloses an automatic stamping die for an inverse-hemming aluminum foil meal box, and belongs to the technical field of stamping dies. The automatic stamping die for the inverse-hemming aluminum foil meal box comprises a base, wherein a spring replacement assembly is arranged at the upper end of the base; a movable frame is arranged at the upper end of the spring replacement assembly; a connecting rod is arranged at the upper end of the movable frame; a stamping die core is arranged at the bottom end of the movable frame; a fixed die is arranged at the bottom end of the stamping die core; the spring replacement assembly comprises a limiting device, a fixed plate, a movable block, sleeves, limiting springs, mounting boxes and mounting insertion blocks; the sleeves are symmetrically arranged at the upper end of the base; the limiting springs are arranged in the sleeves; the mounting insertion blocks are symmetrically arranged at the two ends of the limiting springs; and the mounting boxes are arranged on the surfaces of the mounting insertion blocks. According to the automatic stamping die for the inverse-hemming aluminum foil meal box provided by the invention, by arranging the spring replacement assembly, the convenience of replacing the limiting springs is improved, the stamping quality is guaranteed, the working stability is improved, manpower resources are saved, and the working quality is improved.

The invention discloses a universal single-degree-of-freedom motion brace angle measuring device, comprising a measuring end and a host computer wirelessly connected to the measuring end, wherein themeasuring end further comprises a housing, a fixed joint disposed on the back of the housing, a transmission connector arranged at the outer side of the housing and with the bottom end penetrating thehousing, a potentiometer disposed inside the housing and connected to the end of the transmission connector, and a circuit board disposed inside the housing and connected to the potentiometer. The invention also discloses a method for using a universal single-degree-of-freedom motion brace angle measuring device, which comprises the steps such as fixing the measuring end to the motion brace. Theinvention provides a universal single-degree-of-freedom motion brace angle measuring device, which can adapt different types of brace as much as possible without any modification to the sports brace,and minimize the installation difficulty, thereby largely increasing the range of application and use effect of the product, and reducing the user's cost of use.

The invention provides a strain clamp mounting clamp, and relates to the technical field of electric power mounting tools. The strain clamp mounting clamp includes a first handle and a second handle which are arranged at the front end and are hinged to each other, wherein the first handle is provided with a holddown device which is used for contacting the opening side of the strain clamp; a clamping slot for accommodating the strain clamp is formed in the second handle, corresponding to the upward side of the position of the holddown device; and an automatic closing switch is arranged betweenthe first handle and the second handle. The strain clamp mounting clamp is simple in structure and can realize positioning and clamping of the strain clamp through the first handle and the second handle which are hinged to each other, and at the same time the automatic closing switch which is arranged between the first handle and the second handle enables the clamp to maintain in a closed clampingstate, thus being convenient for an operator to free two hands to perform fixing operation on the strain clamp and wires, and reducing the fixing difficulty between the strain clamp and the wires. Therefore, only one person can complete the related fixing motion, the strain clamp mounting clamp is labor saving, time saving, convenient and quick, and has preferable usage effect and wide promotionvalues.

The invention discloses a weathering resistant steel power transmission iron tower which comprises an iron tower body, the iron tower body comprises a plurality of pieces of weathering resistant steel which are fixedly connected, a plurality of wire fixing boxes are evenly installed on the iron tower body, and a power transmission line is detachably installed in each wire fixing box. The bottom end and the two ends of each wire fixing box are jointly provided with connecting holes matched with a power transmission line, two semi-annular clamping plates matched with the power transmission line are symmetrically and movably installed in each wire fixing box, and a two-way threaded rod is rotationally installed in each wire fixing box. The power transmission line is connected into the wire fixing box from the bottom end of the connecting hole, a rotary disc can be fixed after the power transmission line is fixed, the power transmission line can be conveniently fixed, the fixing stability is high, and therefore the situation that the power transmission line falls off from the weathering-resistant steel power transmission iron tower to cause safety accidents can be avoided, and the safety performance of the weathering steel power transmission tower is improved.

A mounting structure for detachable aisle boards for a swimming pool comprises two cross beams arranged in parallel in a spaced manner, a plurality of parallel aisle boards erected on the two cross beams and connecting devices arranged between the adjacent aisle boards, wherein each connecting device comprises a T-shaped connecting block, a clamping block and a pin column, and the clamping block comprises a base body, a clamping groove formed in the top end of the base body and a connecting hole formed in the top end of the base body; the cross beams are channel steel; vertically downward turned edges of the cross beams are clamped in the clamping grooves of the clamping blocks; two symmetric horizontal parts of each T-shaped connecting block are clamped in strip-shaped grooves correspondingly formed in side walls of the aisle boards; a through hole is formed in the top end of each T-shaped connecting block and corresponds to the connecting hole of the corresponding clamping block, and the corresponding pin column is inserted for connection.

The invention relates to a plastic building formwork and a supporting device thereof, and relates to the technical field of building construction. The plastic building formwork comprises supporting top plates, a plurality of matched top plates and a plurality of connecting blocks, wherein the matched top plates are laid on the peripheral sides of the supporting top plates; the connecting blocks are located on the sides, away from floor connecting floor slabs, of the supporting top plates; and the connecting blocks are installed at the joints of the supporting top plates and the matched top plates and the joints of the adjacent supporting top plates. Two embedded blocks are arranged on one side of each connecting block, and the embedded blocks are correspondingly embedded in the supporting top plates. The plastic building formwork has the advantages that the stability of the matched top plates is improved, so that the plastic building formwork is uniformly stressed when bearing poured concrete, the situation that the floor connecting floor slabs incline from the middle to the edge is reduced, and finally the levelness of the poured floor connecting floor slabs is improved.

The invention discloses a live pig slaughtering device. The live pig slaughtering device comprises a workbench, and is characterized in that a sliding groove is formed in the outer wall of the top endof the workbench, wherein a fixing base is slidably connected to the inner wall of the sliding groove; a fixing frame is connected to the outer wall of the top end of the fixing base through screws;a first hydraulic cylinder is connected to the inner wall of the top end of the fixing frame through rivets; a sliding plate is connected to one end of a piston rod of the first hydraulic cylinder through screws; two connecting rods distributed at equal intervals are connected to the outer wall of the bottom end of the sliding plate through screws; body clamping plates are connected to the outer walls of the bottom ends of the connecting rods through screws; and head clamping plates are connected to the outer walls of one sides of the body clamping plates through screws. According to the livepig slaughtering device, the body clamping plates clamp the body of a live pig, foot clamping plates fix pig feet through locking valves, a mouth sleeve rotatably sleeves the mouth of the live pig, the situation is avoided that noise is not beneficial to work of workers during live pig slaughtering, the live pig fixing difficulty is low, operation is easy, and the live pig slaughtering efficiencyis improved.

A height-adjustable high-strength rebar bracket comprises an upper positioning frame, a lower positioning frame and a supporting column. The upper positioning frame and the lower positioning frame areboth positioned to the supporting column in a height-adjustable mode, the upper positioning frame comprises a supporting plate, and a plurality of positioning hooks are arranged at the peripheral part of the supporting plate in a protruding mode, and used for positioning an upper row of rebars; the lower positioning frame comprises a top plate, a plurality of elastic positioning claws are arranged on the lower portion of the peripheral part of the top plate in a protruding mode, and used for positioning a lower row of rebars, a plurality of positioning grooves are formed in the supporting column in a sunken mode, the upper positioning grooves are used for being in snap fit with the supporting plate of the upper positioning frame, and used for fixing the upper positioning frame to the different height positions of the supporting column, the upper edges of the upper positioning grooves tilt upwards and outwards, and the lower edges are horizontally arranged, and are perpendicular to theouter edge of the supporting column to be in an annular shape; and the lower positioning grooves are used for being in snap fit with the top plate of the lower positioning frame and fixing the lowerpositioning frame to the different height positions of the supporting column, the upper edges of the lower positioning grooves are horizontally arranged, and are perpendicular to the outer edge of thesupporting column to be in an annular shape, and the lower edges tilt downwards and outwards. According to the height-adjustable high-strength rebar bracket, the spacing between the upper row of rebars and the lower row of rebars can be flexibly adjusted, and the fixing difficulty between the upper row of rebars and the rebar bracket as well as between the lower row of rebars and the rebar bracket is reduced.

The invention relates to asmall pipe diameter closed pipeline water flow ultrasonic measurement optimization method and device. The small pipe diameter closed pipeline water flow ultrasonic measurement optimization method is used for measuring the water flow of a pipeline under Z mounting method and comprises the step that two measuring probes of an ultrasonic flowmeter are fixed to the opposite sides of the pipeline using a U-shaped fixator so that the measuring probesareconnected with the surface of the pipeline in a coupling mode; the U-shaped fixator comprises bolts and nuts, the boltsareof U-shaped structures, and the tightness of the nutsis adjustable. The small pipe diameter closed pipeline water flow ultrasonic measurement optimization method and device have the following technical effects that fixing difficulty of ultrasonic flowmeter probesis reduced; accuracy of the ultrasonic flowmeter Z method is improved; and the flowmeter probesare convenient to mount, and time and labor are saved.

The invention relates to the field of medical assistance, and particularly discloses a multi-point fixing device suitable for PICC catheterization and arteriopuncture catheterization. The multi-point fixing device comprises a main body and a fixing block, wherein arc-shaped plates are fixed to the top of the main body, first tying belts are fixed to the two ends of the main body, and two third tying belts are fixed to the tops of the two arc-shaped plates; a supporting rod is hinged to the side wall of the main body; a supporting groove with an opening facing the main body is formed in the fixing block, the supporting groove and the fixing block are horizontal, the end, away from the main body, of the supporting rod transversely extends into the supporting groove, and the supporting rod is slidably connected with the supporting groove; and an arc-shaped through groove with an upward opening is formed in the top of the fixing block, and a plurality of second tying belts are sequentially distributed in the length direction at intervals. The multi-point fixing device suitable for venipuncture and arteriopuncture can support and fix the arm of a patient, so the fixing difficulty of medical staff is reduced, and meanwhile, puncture failure caused by the fact that the patient does not cooperate is avoided.

The invention discloses an intelligent storage shelf and weighing shelf. The intelligent storage shelf comprises a frame part, and at least one layer rod part, at least one layer shelf part, at least one side plate, a cover plate, a control part and a man-machine information interaction part which are placed on the frame part, wherein the layer rod parts are detachably arranged on the left and right sides of the vertical end of the frame part; the shelf parts are detachably arranged on the layer rod parts, the side plates are arranged on the left side and the right side of the vertical end of the frame part and located between the adjacent layer rod parts, the cover plates are arranged on the two sides of the frame part, the man-machine information interaction part is hinged to a stand column of the frame part, and the control part is arranged in the middle area of the outer side of the vertical end of the frame part and fixed to the outer wall of the layer rod part. According to the intelligent storage shelf, an internal fixation mode is adopted for installation, through wiring and expansion of a space connected domain, the whole body is neat and beautiful, wire harnesses are protected against aging, human touch is avoided, modular production and assembly are facilitated, and the device has good market application value.

The invention discloses a photovoltaic power generation system, and relates to the technical field of photovoltaic panels. Four corners of a photovoltaic panel main body are arc-shaped corners, a through hole is formed in the bottom end of the photovoltaic panel main body in a penetrating manner, a rubber sleeve is arranged in the through hole, two ends of a flat frame are connected with two sideframes respectively, and a fixing hole is longitudinally formed in the flat frame in a penetrating manner; a supporting frame is arranged at the bottom end of any side frame, a junction box is arranged on the supporting frame and connected with the battery panel through a wire, and the wire is arranged in the rubber sleeve in a penetrating mode. According to the invention, the system is reasonablein structure, and the four corners of the photovoltaic panel body are of the arc-shaped corner structures, the side frames of the outer frame are matched with the four corners of the photovoltaic panel body, so the probability that the corner is damaged in the transportation process is greatly reduced; the junction box is mounted on the support frame, and a groove does not need to be formed in the photovoltaic panel for mounting, so the preparation difficulty of the photovoltaic panel is greatly reduced, the overall strength of the photovoltaic panel is ensured, an edge pressing assembly doesnot need to be used any more, the cost is saved, and the fixing difficulty is greatly reduced.

The temperature monitoring device is characterized in that a horizontally-arranged sliding rail is arranged on the inner side wall of the workshop, the moving seat is installed on the sliding rail in a sliding mode, a clamping groove is formed in the top of the sliding rail, a driving wheel matched with the clamping groove is arranged on the moving seat, a guide groove is formed in the side wall of the sliding rail, and a temperature sensor is arranged in the guide groove. Guide wheels matched with the guide grooves are arranged on the outer wall of the movable seat; the monitoring camera is arranged on the outer wall of the movable seat; and the fixed detection assembly comprises a mounting plate, a slot and a temperature detection patch, a positioning block is arranged at the bottom of the temperature detection patch, and a limiting assembly for fixing the positioning block is arranged on the side wall of the mounting plate. The system has the beneficial effects that through cooperative detection of the monitoring camera and the temperature detection patch, the temperature state of the pressure fan in the factory building can be fully detected without personnel entering, and the system is simple and convenient to operate, high in detection efficiency and precision and convenient to popularize.

The invention provides a large-span quick-connection fabricated prefabricated part and a construction method thereof, belongs to the technical field of bridge buildings, and aims at solving the problems that a large-span reinforced concrete bridge prefabricated part is high in installation difficulty and low in construction efficiency. The prefabricated part comprises a prefabricated U-shaped supporting beam, a bridge body splicing beam and a connecting assembly. A pouring plate is fixed in the U-shaped supporting beam, and a frame assembly is arranged in the U-shaped supporting beam; the frame assembly is fixed on the pouring plate; the connecting assembly comprises a core column, and the core column penetrates through the pouring plate. Flanges are fixed at two ends of the core column, and a plurality of connecting columns are fixed on the core column; and the bridge body splicing beams are mounted above the U-shaped supporting beams. Through cooperation of the U-shaped supporting beams and the connecting assemblies, the two adjacent U-shaped supporting beams can be preliminarily fixed, the installation speed of the large-span reinforced concrete bridge prefabricated part is increased, and the construction efficiency is improved; in addition, the U-shaped supporting beam is matched with the frame assembly, so that the bearing strength and the tensile strength of the U-shaped supporting beam are improved.

The invention belongs to the technical field of computer network tapping, and discloses a computer network tapping device which comprises an exchanger body, a network cable connecting assembly, an indicating assembly and a fixing assembly are installed on the exchanger body, the network cable connecting assembly is used for connecting a network cable, the indicating assembly is used for indicating the connecting state of the network cable, the fixing assembly is used for fixing a network cable inserted into the network cable connecting assembly, the fixing assembly comprises a fixing plate, a cable inlet hole is formed in the fixing plate, and two clamping plates are symmetrically and rotationally connected to the inner wall of the cable inlet hole. The network cable penetrates through the fixing plate through the cable inlet hole, the clamping plates are pulled through first springs, the clamping plate abuts against the network cable, so that the network cable and the network cable hole are connected more firmly, a large number of fixing structures do not need to be screwed after the device is connected with the network cable, the fixing difficulty of the network cable is reduced, and the fixing efficiency of the network cable is improved.

The invention discloses a fixing and replacement device for a card plate proximity switch of a finishing mill. The outer edge of the moving base is fixed on the lower card plate of the work roll through an adjustable bracket, and the inner edge is provided with a plurality of radial shrapnel for clamping the external thread of the proximity switch. The torsion bar is rotatably connected with the torsion bar fixing frame fixed on the mobile base, the rear end of the torsion bar rotates the handle, one end of the swing bar is connected with the head end of the torsion bar, and the other end is disassembled and assembled through the snap ring fixing frame The outer edge of the snap ring is attached. The invention uses the switch snap ring to fix the proximity switch, and uses the disassembly snap ring to remove the proximity switch car from the switch snap ring or install it on the switch snap ring. The difficulty of replacing the board proximity switch improves the maintenance efficiency of the board proximity switch.

The invention provides an alarm for outdoor power supply operation, and belongs to the field of operation protection. The alarm comprises a surface invasion detection module, a foot margin invasion detection module and an alarm, and the surface invasion detection module and the foot margin invasion module are both in coupled connection with the alarm so that the alarm can give an alarm after the invasion detection surface is detected or a moving object of the foot margin invasion module is pressed; and the foundation intrusion detection module comprises a pressure-sensitive linear array sensor. According to the alarm for outdoor power supply operation, the invasion surface moving object can be detected and early warned through the surface invasion detection module, the moving object, suchas a snake, close to the ground invasion detection line can also be detected through the foundation invasion detection module, and the invasion mode detection is more comprehensive.

The invention provides an optical communication module and a chip comprising the optical communication module, the optical communication module comprises a power supply management part, an optical communication part and an output part, the power supply management part is configured to provide a power supply for the optical communication part after receiving a preset optical signal; the optical communication part is configured to receive an optical communication signal and convert the optical communication signal into a decoding signal; the output portion is configured to output the power supply and the decoded signal to the outside. According to the invention, the packaging box does not need to be dismantled when the chip is upgraded, and the optical signal is used as a signal for starting the battery of the optical communication module, so that the electric quantity of the battery of the optical communication module cannot be used in advance, the waste of the electric quantity is reduced, and the battery can be provided for a consumable chip and other power-free devices for long-time optical communication.

The invention relates to a copper art sculpture structure and a mounting method thereof. The copper art sculpture structure comprises an upper copper art piece, a lower copper art piece, a supportingrod body, two locating components, two sheltering blocks and several locating rods, and the upper copper art piece and the lower copper art piece comprise a copper art plate and a stainless-steel plate; each locating component comprises a locating rod body, a left pressing bar, a right pressing bar, several left springs and several right springs; the supporting rod body is arranged transversely, the two locating components are arranged at left and right side by side, each locating rod is arranged between the two locating components, the lower copper art piece and the upper copper art piece aremovably embedded at the two locating components, moving intervals are reserved between the lower and upper art pieces and the two locating components, and the two sheltering blocks are respectively arranged at top surfaces of the locating rod bodies of the two locating components. The copper art sculpture structure provided by the invention has the advantages of being easy to fix, being located well, being convenient to detach and maintain, and so on; and the mounting method is very simple, is very convenient and efficient to operate, and can realize an aim of fast mounting and locating.

The invention discloses a punching-free convenient-to-fix monitoring camera, and particularly relates to the field of safety monitoring, the punching-free convenient-to-fix monitoring camera comprises a camera device and a camera fixing device, the camera device is located in the camera fixing device, and the camera fixing device comprises a supporting framework, a position limiting framework and a butt joint framework; one end of the position limiting framework is connected to the bottom of the supporting framework, the mode that the position limiting framework is matched with the butt joint framework is adopted, the traditional screw and screw connecting mode is changed, punching on the camera shell can be avoided, and therefore the sealing performance of the camera shell is effectively kept; and moreover, the mounting and fixing difficulty of the camera can be effectively reduced, some non-technical personnel can conveniently operate the camera, so that the mounting speed of the camera is accelerated, the overall structural strength is further improved by using the diffusion clamping blocks, and the camera can be freely regulated and controlled and can still keep a relatively stable state at the same time.

The invention discloses a conveying device which comprises a sheath core tube assembly, the sheath core tube assembly comprises an outer sheath core tube and an inner sheath core tube, the far end of the inner sheath core tube extends out of the far end of the outer sheath core tube and can axially move relative to the outer sheath core tube, a fixing anchor is arranged at the far end of the outer sheath core tube and comprises a plurality of clamping jaws, and the clamping jaws are arranged on the outer sheath core tube. A guide head is arranged at the far end of the inner sheath core tube, a containing part is arranged at the near end of the guide head, the containing part can contain the clamping jaws, and the length of at least one clamping jaw is different from that of the other clamping jaws. According to the conveying device, the multiple wave crests on the support assembling part can be fixed in batches through the clamping jaws with the length differences, so that the fixing difficulty of the multiple wave crests is reduced, meanwhile, the multiple wave crests can be gradually released in batches, and the release pressure of the multiple wave crests at the release moment is reduced.

The present invention belongs to the technical field of radiotherapy devices and also discloses a radiotherapy device rotating machine frame support eccentric type adjustment device. The radiotherapydevice rotating machine frame support eccentric type adjustment device comprises a front end support device and a rear end support device, the front end support device and the rear end support deviceboth comprise a supporting base seat and a riding wheel support component, the riding wheel support component comprises a support box body and a riding wheel roller path component, the riding wheel roller path component comprises two sets of riding wheel support units, riding wheels in the front end support device are tapered riding wheels, the rear end support device uses cylindrical riding wheels, and riding wheel shafts are all eccentric shafts. The device has a certain self-alignment function, also can realize own axial limit, can perform fine adjustment in a vertical direction after initial installation, and thus reduces errors of rotation center vertical directions of the front and rear end support devices, so that the support devices have relatively high reliability and safety, andthe adjustment device is high in adjustment precision.