66results about How to "Act as an elastic buffer" patented technology

The invention discloses a lifting-type water quality online analyzer sampling apparatus. The lifting-type water quality online analyzer sampling apparatus comprises an analyzer body, wherein the bottom of one side of the analyzer body is fixedly connected with a bearing platform, the top of the bearing platform is provided with a holding groove, a water sample cup is arranged in the holding groove, the interior of the holding groove is connected with a fixed plate in a sliding manner, one side of the fixed plate pushes against the outer wall of the water sample cup, one side, which is away from the water sample cup, of the fixed plate is connected with the inner wall of the holding groove by virtue of a plurality of stretchable rods, one side, which is close to the stretchable rods, of thefixed plate is connected with a threaded rod in a rotating manner, the inner side wall of the holding groove is provided with a threaded opening corresponding to the threaded rod, and one end, whichis away from the fixed plate, of the threaded rod penetrates through the threaded opening and extends outwards. By arranging multiple transmission mechanisms and fixing mechanisms, the water sample cup can be effectively fixed by the apparatus, and a collected water sample can be stirred, so that the stability of the water sample cup and the accuracy of an analysis result can be ensured.

The invention belongs to the technical field of electric power tools, in particular to an electric power distribution cabinet with good heat dissipation performance. The invention puts forward the following scheme by aiming at the problem that accidents are likely to be caused since an existing electric power distribution cabinet can not simultaneously guarantee good heat dissipation performance and waterproof performance. The electric power distribution cabinet disclosed by the invention comprises a bottom plate, wherein the outer wall of the top of the bottom plate is fixedly provided with afixed mount through bolts; the outer wall of the top of the fixed mount is fixedly provided with a sliding plate through bolts; the outer walls of two sides of the sliding plate are independently provided with a shell chute; the inner wall of the shell chute is in sliding connection with a shell; and one side of the outer wall of the top of the sliding plate and one side of the outer wall of thetop of the bottom plate are independently provided with a lead screw mounting hole. By use of the electric power distribution cabinet, moisture in the air can be prevented from entering the shell so as to be favorable for improving waterproof performance. Since cooling and heat dissipation are simultaneously carried out, heat dissipation efficiency and a cooling effect can be effectively improvedso as to be favorable for improving a circuit protection effect and improving safety performance. The electric power distribution cabinet is convenient in disassembling and maintaining each part, andis favorable for improving maintenance convenience.

The invention discloses a zipper cut-off mechanism, comprising a fixed arranged mold, an ultrasonic wave head which is on the same axis with the mold and can do reciprocal motion, an ultrasonic generator which is electrically connected with the ultrasonic wave head; a bulge which is arranged on the working surface of the mold corresponding to the working end surface of the ultrasonic wave head, the peak of the bulge is arranged as a blade; when the distance between the ultrasonic wave head and the mold is minimum, a gap kept between the bulge of the mold and the ultrasonic wave head is smaller than the thickness of a zipper cotton tape. The invention is characterized in that the structure is simple, the property is stable, the operation is convenient, and the invention is suitable for various zipper cut-off, punch mechanisms or cloth fabric cut-off, punch mechanisms.

The invention relates to a negative plate for an all-solid-state battery as well as a preparation method and application of the negative plate. The negative plate comprises a lithium material layer and a metal current collector skeleton layer; an elastic material is embedded in an internal gap of the metal current collector skeleton layer; a bonding layer is arranged between the lithium material layer and the metal current collector skeleton layer. By adopting the structure, firstly, the negative plate can keep stress balance at different positions of the negative plate, so that the problem ofoverhigh local stress caused by uneven deposition and dissolution of the surface of the negative lithium plate in the charging and discharging process of the solid-state battery is solved; secondly,different positions of the metal current collector skeleton layer of which the internal gap is embedded with the elastic material in the negative plate can generate deformation with different sizes, so that the negative plate has different resilience forces, and the uniformity of interface contact between the negative lithium plate and the solid electrolyte is favorably maintained; and thirdly, the elastic buffer effect can be improved, so that the solid electrolyte is prevented from being impacted and broken.

The invention discloses a continuous punching machine, which comprises a base and an upper shelf plate arranged in parallel, the upper shelf plate is arranged above the base, the top of the upper shelf plate and the base are fixedly connected by a support column, and the base There are two symmetrically arranged two cavities at both ends of the cavity, and a threaded rod is connected to the cavity for rotation, and a gear is fixedly sleeved on the threaded rod, and a worm meshed with the gear is connected to the cavity for rotation, One end of the worm runs through the inner wall of the cavity and is fixedly connected with a handle, the end of the threaded rod away from the gear runs through the inner top of the cavity and extends outward, and the extended end of the threaded rod is threaded with an extrusion plate, The ends of the two extruding plates that are far away from each other are connected to the top of the base through telescopic rods. The present invention makes the device more convenient for workers to operate the punching mechanism through the arrangement of mechanisms such as extrusion plates and load-bearing rods, thereby improving the work efficiency of workers.

The invention belongs to the technical field of robots, in particular to a mechanical arm of an educational robot, comprising a bottom plate, the upper end of the bottom plate is symmetrically fixedlyprovided with two side plates, the upper ends of the two side plates are fixedly connected with a support plate, each side plate is slidably provided with an insertion rod in an inserting way, the upper sides of the ends, mutually far away from each other, of the two insertion rods are each fixedly provided with a movable rod, opposite sides of the two movable rods are each fixedly provided witha connecting rod, opposite sides of the two connecting rods are each fixedly provided with an extrusion plate, opposite ends of the two insertion rods are each fixedly provided with a connecting block, and a telescopic device is arranged between the two side plates. The mechanical arm is novel and reasonable in structure, can clamp objects and is cheap to manufacture.

The invention discloses an energy-saving poultry breeding greenhouse which comprises a greenhouse body and a roof. The roof is fixedly connected with the top of the greenhouse body, solar panels are arranged above the roof, a driving motor is fixedly connected to one side of the outer wall of the greenhouse body, and an output end of the driving motor penetrates the outer wall of the greenhouse body to allow fixed sleeving of a cam. One end, away from the output end, of the cam is in rotational connection with a connecting rod; one end, away from the cam, of the connecting rod is in rotationalconnection with a push rod; one end, away from the connecting rod, of the push rod is in rotational connection with a mounting block. An electric fan is fixedly connected to the bottom of the mounting block which is provided with a slide port, and a slide rod is slidably connected in the slide port and penetrates two ends of the slide port to extend outwards. By arrangement of the solar panels and multiple transmission mechanisms, internal ventilation and heat radiation effects of the greenhouse can be improved, and accordingly poultry can be protected from diseases caused by overcooling or overheating.

The invention discloses a multi-functional daily necessities cabinet, which comprises a main cabinet body and a drive motor, the drive motor is fixedly connected to the top of one side of the outer wall of the main cabinet body, and an ultraviolet lamp is arranged at one end of the top of the main cabinet body, so that A cavity is provided on the top of the main cabinet body away from the ultraviolet lamp, the output end of the drive motor runs through the outer wall of the main cabinet and extends into the cavity, and the extended end of the drive motor is fixedly sleeved with a cam. The end of the cam far away from the drive motor is rotatably connected with a shaft rod, and a sliding sleeve is slidably sleeved on the shaft rod. The bottom of the sliding sleeve is fixedly connected with a blowing fan. A sliding rod, the two ends of the sliding rod are respectively fixedly connected to the inner walls on both sides of the cavity. In the present invention, through the arrangement of blowing fan, electric heating wire and ultraviolet lamp, the inside of the main cabinet has a disinfection and moisture-proof mechanism, thereby improving the scope of application of the appliance cabinet.

The invention discloses a multistage juice and peel separating device for passion fruits. The separating device includes a feeding mechanism, main shaft power mechanisms, grab bucket mechanisms, a linear cutting mechanism, juice separation mechanisms, spongy layer separation mechanisms, popup mechanisms, a push-in roller mechanism and a peel separation mechanism; the feeding mechanism is installedat the upper part on the rear side of a supporting platform; the two main shaft power mechanisms are symmetrically arranged on the supporting platform; four grab bucket mechanisms in circumferentialuniform distribution are installed on each main shaft power mechanism in a radial direction; the grab bucket mechanisms are provided with openings corresponding to the supporting platform; the linearcutting mechanism is installed on the rear side of the supporting platform; the two juice separation mechanisms are symmetrically installed at the lower parts of the openings; the two spongy layer separation mechanisms are symmetrically installed on the two sides of the supporting platform; the popup mechanisms are installed at the rear parts of the grab bucket mechanisms; the push-in roller mechanism is installed in front of the grab bucket mechanisms; and the peel separation mechanism is installed at the lower part of the discharging port of the push-in roller mechanism. Thus, the multistageprocessing of the juice and peels of the passion fruits can be realized, processing can be automated, so that the separating device is time saving and labor saving.

The invention discloses an anti-theft lock for a rolling shutter door, which comprises a lock box. A cavity is arranged on the inner wall of one side of the lock box, and a servo motor, a controller, a pressure sensor and an alarm are sequentially arranged in the cavity. The output end of the pressure sensor is connected to the input end of the controller, the output end of the controller is respectively connected to the input end of the servo motor and the alarm, and the output end of the servo motor penetrates the inner wall of the cavity and extends into the lock box The end extending from the output end of the servo motor is fixedly sleeved with a cam, the end of the cam away from the servo motor is rotatably connected to a shaft, the shaft is slidably sleeved with a sliding sleeve, and the top of the sliding sleeve is fixedly connected to There is a slide block, and the inner top of the lock box is provided with a chute corresponding to the slide block. The present invention can automatically send out an alarm when the device is damaged through the arrangement of the alarm device and the pressure sensor, thereby improving the anti-theft performance of the rolling shutter door.

The invention discloses a hard disk video with vibration isolation equipment. The hard disk video comprises a hard disk body, a shell and vibration isolation equipment, wherein the hard disk body is arranged in a hard disk holding cavity in a hard disk video case, the shell is arranged in the hard disk holding cavity so as to enclose the hard disk body, and the isolation equipment is arranged in the shell; the damping device comprises an upper end damping part and a lower end damping part, wherein the upper end damping part is a rectangular structural body and is respectively divided into a solid layer, a hollow layer and a raised layer from top to bottom, and the thickness proportion of the solid layer, the hollow layer and the raised layer is (1-2): (2-4): 1; the lower end damping part comprises two wedged structural bodies which are alternately arranged at the bottom of the hard disc body, and the axial directions of the wedge structural bodies and the axial direction of the hard disc body are arranged in parallel. The hard disk video with the vibration isolation equipment is simple in structure, good in vibration isolation effect, good in cooling effect and convenient to change a hard disk, so that the hard disk video can be applied to mass production.

The invention discloses a graphene touch display, which comprises a display body and a fixing seat, the fixing seat and the display body are arranged in parallel, the display body is slidably fitted with a support sleeve, and the support sleeve is slidably connected with an extrusion plate, One side of the extrusion plate is against the main body of the display, the inner wall of the extrusion plate and the support sleeve is connected by a threaded rod, the inner wall of the support sleeve is provided with a threaded hole corresponding to the threaded rod, and the threaded rod is far away from the One end of the extrusion plate penetrates the inner wall of the support sleeve and is fixedly connected with a knob. The end of the support sleeve away from the knob is fixedly connected with a shaft, and a fixed block is rotatably sleeved on the shaft. A slide bar is fixedly connected to one end, and an annular slide rail corresponding to the shaft bar is arranged around the fixed block. The present invention makes the installation and adjustment of the display more convenient through the arrangement of multiple adjustment mechanisms, thereby improving the user experience.

The invention discloses an intelligent perforating machine used for manufacturing a circuit board. The intelligent perforating machine comprises a base and a supporting plate which are arranged in parallel. The base and the supporting plate are fixedly connected through a stand column. An installing groove is formed in the top of the base. A screw rod is connected into the installing groove in a rotating manner. The screw rod is sleeved with two fixing plates in a thread manner, wherein the two fixing plates are arranged oppositely. One end of the screw rod penetrates through the inner wall ofthe installing groove and is fixedly connected with a handle. A clamping rod is arranged at one end of the handle in a sliding and inserted manner. Multiple clamping grooves corresponding to the clamping rod are formed in the outer wall of the base in a surrounding manner. One end, close to the base, of the clamping rod is fixedly sleeved with a clamping sleeve. A clamping block is fixedly connected to one end, away from the clamping sleeve, of the clamping rod. A servo motor is arranged on the top of the supporting plate. The servo motor and the supporting plate are fixedly connected througha fixing rod. According to the intelligent perforating machine, by arranging the fixing plate, when the machine perforates the board, shaking of the board can be effectively prevented, and thereforeperforating precision of the machine is improved.

The invention discloses a crawler belt tensioning device. The crawler belt tensioning device comprises a driving wheel and an induction wheel, the driving wheel and the induction wheel are located atthe two ends of a vehicle body truss respectively, the driving wheel is located at the end, with a smaller diameter, of the vehicle body truss, and the induction wheel is hinged to the end, with a larger diameter, of the vehicle body truss through a first connecting rod. A first air spring is movably connected between the induction wheel and the vehicle body truss, and the first air spring is located at the lower end of the first connecting rod. The lower portion of the vehicle body truss is movably connected to a load-bearing wheel group, the load-bearing wheel group is movably connected to abelt pulley, and the belt pulley is hinged to the upper portion of the vehicle body truss. A crawler belt sequentially passes through the driving wheel, the belt pulley, the induction wheel and the load-bearing wheel group to form a closed structure. As the crawler belt tensioning device is arranged, when a crawler belt vehicle passes through various obstacles, the crawler belt is tensioned in real time so that the belt does not come off or break.

The invention discloses a transformer oil tank airtightness detecting device. The device comprises a water storage tank and a support column, the support column is fixedly connected with a top of thewater storage tank, a water injection port is formed in the inner top of the water storage tank near a side of the support column, the water injection port is internally threaded with an inlet valve,an outlet pipe is fixedly inserted into the inner top of the water storage tank, the top of the outlet pipe is provided with a self-priming pump, the top of the support column is rotatably connected with a bearing plate one end of the bearing plate is fixedly connected with a hanging rod, the hanging rod is sleeved with a plurality of weighting blocks, the top of the end, away from the hanging rod, of the bearing plate is fixedly connected with a motor, and an output shaft of the motor penetrates through the top of the bearing plate and extends downwards. The device can be freely adjusted according to the different sizes of a transformer box by the arrangement of an adjustable pressure block, thereby improving the detection efficiency of a box body.

The invention discloses a dry-type transformer with high shock absorption performance, which comprises a supporting seat. An object placing groove is formed in the supporting seat; an object placing plate is arranged in the object placing groove; a transformer body is arranged on the object placing plate; sleeve rods are fixedly connected to the tops of the two sides of the supporting seat; and amoving block is slidably sleeved with the sleeve rod; a first spring is fixedly connected to the bottom of the moving block; the end, away from the moving block, of the first spring is fixedly connected with the inner bottom of the sleeve rod; an inserting rod is fixedly connected to the top end of the moving block; and the end, away from the moving block, of the inserting rod penetrates through the sleeve rod and extends upwards. Through the arrangement of an upper buffer mechanism and a lower buffer mechanism, the transformer can have a good shock absorption and buffer effect, the service life is prolonged, and moving is convenient.

The invention discloses an automatic processing device for an isolating diode of a left and right direction lamp circuit of an automobile. The automatic processing device comprises a mounting block, wherein a hydraulic cylinder is fixedly connected to one side of the mounting block, a mounting cavity is arranged in the mounting block, the output end of the hydraulic cylinder penetrates through anouter wall of the mounting block and extends into the mounting cavity, one end of the output end of the hydraulic cylinder that extends is fixedly connected with a squeezing block, a sliding slot corresponding to the squeezing block is formed in the inner bottom of the mounting cavity, a sliding rod is fixedly connected in the sliding slot, a sliding opening corresponding to the sliding rod is formed in the squeezing block, a first spring sleeves on the sliding rod, both ends of the first spring are separately and fixedly connected with the squeezing block and an inner wall of the sliding slot, and one side of the top of the mounting cavity is in slip connection with a fixed plate. According to the scheme of the invention, through the arrangement of multiple transmission mechanisms, the device can automatically bend and cut diode pins, and thus the processing efficiency and processing quality of diodes can be improved.

The invention discloses a physical exploration device for a marshland area. The physical exploration device comprises a supporting rod. One end of the supporting rod is provided with a device cavity.A push rod is slidably connected in the device cavity. A clamp block is fixedly connected on one end of the push rod. One end, which is away from the clamp block, of the push rod penetrates through the internal wall of the device cavity and extends to the outside. A handle is fixedly connected on the extending end of the push rod. One end of the handle and the supporting rod are connected througha turnbuckle. The bottom part of one end, which is close to the handle, of the supporting rod is provided with a driving motor. The driving motor and the supporting rod are fixedly connected through afixing rod. A bearing block is fixedly connected on one end, which is close to the driving motor, of the bottom part of the supporting rod. The top part of the bearing block is provided with an installing cavity. A transmission rod is fixedly connected on the output end of the driving motor. The device is enabled to be greatly suitable for the marshland area through arrangement of multiple adjusting mechanisms so that the exploration difficulty can be reduced and the physical exploration efficiency can be enhanced.

The invention discloses an automated animal husbandry feeding device. The device comprises a feed mixing cavity, a feed transport cavity, a reserved cavity, a storage cavity and a feed groove, whereinthe bottom of the storage cavity is provided with a discharge cavity, the bottom of the discharge cavity is provided with a discharge port, the discharge port is provided with a plug, a fixed block is arranged on the side wall of the discharge cavity, the fixed block is connected with an upper plane of the plug through arranged reset springs, the bottom of the feed groove is provided with a movable plate, the movable plate and a bottom plate of the feed groove are connected through arranged multiple telescopic seats, and the movable plate and the plug are connected through an arranged stay cord. The automated animal husbandry feeding device has the advantages that through a stay cord mechanism and a spring reset mechanism, it is avoided that too much or too little feed in a feeding bucketaffects the use, farming and feeding of animals are facilitated, materials are automatically added, and the manpower burden is also greatly reduced.

The invention discloses a novel micro power generation device, and relates to the technical field of power generation devices. The novel micro power generation device comprises a moving part. The upper and lower sides of a magnet frame are each provided with a mounting slot. A magnetic conductive plate is mounted in each mounting slot. A magnet is disposed between the two magnetic conductive plates, and the thickness of the magnet is d3. One end of the magnet frame is provided with an operation head. One end of the magnet frame extends into a core, and the magnet frame rotates about the core. A limiting device is arranged on the core, and the limiting device forms an upper movement stop point and a lower movement stop point. The core is wound with a coil. The distance between the inner sides of two magnetic conductive plates in areas matching branch magnetic circuits is d4 which is smaller than d3. The novel micro power generation device has the beneficial effects as follows: the device has a simple structure; the size of modules is reduced; and through the magnetic conductive plates, a largest possible magnet can be used in the limited size while a spacing is kept, so that the power density is improved, and the production process is simplified greatly.

The invention provides a swinging ladder with a locking mechanism and a locking method. When an SQ6 type double-layer car transporting vehicle needs to load and unload two layers of cars, a two-layerplatform is temporarily constructed by using a manual pushcart; and the mode of manually constructing the two-layer platform has the defects that time and labor are wasted, the working efficiency is greatly reduced and economic benefits are directly affected. The swinging ladder with the locking mechanism comprises a swinging ladder body (1); one end of the swinging ladder body is hinged with a folding seat plate (2); the locking mechanism (5) is arranged at the other end of the swinging ladder body; the locking mechanism comprises a locking hook (14); the locking hook is hinged with a lockinghook adjusting seat (15); a locking hook adjusting seat pin shaft (11) and a locking nut (10) are correspondingly welded on the side wall of the swinging ladder body; and the locking hook adjusting seat pin shaft penetrates through a strip-shaped hole (18) in the locking hook adjusting seat to be connected with the locking hook adjusting seat in a sliding manner. The swinging ladder with the locking mechanism and the locking method are used for the swinging ladder with the locking mechanism and the locking method.

The invention discloses a children's learning desk, belongs to the technical field of desks and solves the technical problems that locking and unlocking operations of a desk plate of an existing learning desk are too complex and the desk plate has poor safety due to tendency to pinch hands. A technical scheme for solving the problems mainly includes desk legs, support tubes fixed to upper ends of the desk legs, connecting tubes fixed to the support tubes, and a desk plate rotatably connected to the connecting tubes; each support tube is provided with a locking wrench comprising a hinge with a rotary shaft, a plurality of connectors rotatably connected to the rotary shaft and a control mechanism capable of locking or loosening the connectors, the control mechanism comprises a sleeve fixed to the corresponding support tube, a drive rod disposed in the sleeve, a retainer connected to one end of the drive rod, a first spring disposed between the retainer and the bottom of the sleeve, and a drive block disposed in the sleeve and abutted to the retainer, the support tube is provided with a second connecting tube, and an air spring is disposed between the desk plate and the second connecting tube.

The blood pressure pulse detection device comprises a base, a mounting plate and a control box, and is characterized in that the base is rotationally connected with the bottom of the mounting plate through a rotating rod, a mounting groove is formed in the top of the mounting plate, a screw rod is rotationally connected into the mounting groove, and the screw rod is sleeved with a mounting block in a threaded mode; the detection method comprises the following steps that 1, the horizontal position of the mounting block is adjusted, and then a patient puts the wrist between the base plate and the control box; 2, rotating a turnbuckle to adjust the height of the control box; and 3, detecting the blood pressure and pulse signals of the patient through a pulse sensor and a blood pressure sensor. Through the arrangement of the adjusting mechanism, corresponding adjustment can be performed according to detection requirements, meanwhile, through the arrangement of the multiple detection sensors and the processing control module, the blood pressure and pulse of a patient can be rapidly and accurately detected, and therefore the detection effect of the device is improved.

The invention discloses a stimulated self-bulging optical cable, and belongs to the technical field of optical cables. The stimulated self-bulging optical cable can perform buffer protection on an external force with relatively low strength to avoid damage to a cable core by imitating a stimulated reaction of a human body when subjected to the external force, and stimulated capsules can imitate subcutaneous tissues of the human body to be damaged when subjected to the external force with relatively high strength to avoid damage to the cable core. Therefore, part of the material of the feedback ball is released through the simulated cell capsule, the material starts to trigger a chemical reaction and releases a large amount of gas after being in contact with water which is filled in the simulated cell capsule in advance, the gas enters the expansion assisting ball through the stimulated capsule and then expands, and then a bulging phenomenon after the stimulated reaction is formed on the outer cover; technicians can be reminded of the stress area to facilitate targeted maintenance, meanwhile, the protection capacity of the bulge area is more prominent under the buffering effect of gas when the bulge area faces subsequent external force, and in addition, color development of the bulge area is more identifiable.

The invention discloses a handling robot, comprising a robot main body, a mechanical arm and a walking mechanism, the walking mechanism is arranged at the bottom of the robot main body, the mechanical arms are arranged on both sides of the top of the robot main body, and the mechanical arms are far away from the robot main body One end of the mounting block is fixedly connected with a mounting block, the bottom of the mounting block is provided with a servo motor, and the side of the mounting block away from the mechanical arm is provided with a mounting groove, and the output end of the servo motor runs through the bottom of the mounting block and extends inward , one end of the extension of the servo motor is fixedly sleeved with a first gear, and a screw rod is rotatably connected in the installation groove, and a second gear meshed with the first gear is fixedly sleeved on the screw rod, and the thread on the screw rod is Two supporting rods arranged oppositely are socketed, and a sliding rod is fixedly connected in the installation groove. The present invention enables the robot to grip the goods more stably through the setting of the extruding plate, thereby ensuring the safety of the goods transportation.

The invention discloses a graphene based capacitive mobile-phone touch screen which comprises a main screen body. Two paired pressure plates are symmetrically arranged on the main screen, the same pair of pressure plates are fixedly connected through a fixing rod therebetween, a fastening plate is slidably connected to one side of each fixing rod and close to the main screen body, the fastening plates and the fixing rods are connected through a plurality of first springs therebetween, sliding chutes corresponding to the fastening plates are arranged in the pressure plates, sliding rods are fixedly connected in the corresponding sliding chutes, through holes corresponding to the sliding rods are arranged in the fastening plate, multiple pairs of symmetrically arranged threaded rods are arranged on one side of the main screen body and away from the pressure plates, the top of each threaded rod is sleeved with a nut in a threaded manner, and one end of each threaded rod and close to the corresponding nut is sleeved with a base plate. By the arrangement of multiple fixing mechanisms, more convenience is brought to installation and fixation of the touch screen, installation time is saved, and installation efficiency of the touch screen is improved.

The invention relates to an elastic buffer tool fixture which comprises a base, a base plate arranged on the base, and a left clamping claw and a right clamping claw arranged on the base. Fixed support plates are arranged on the outer sides of the left clamping claw and the right clamping claw; adjusting bolts are in threaded connection onto the fixed support plates; the end parts of the adjustingbolts are connected with the outer sides of the corresponding clamping claws; springs are arranged on the adjusting bolts; sliding blocks are arranged on the bottom parts of the left clamping claw and the right clamping claw; a sliding chute is formed in a contact part of the base plate and each sliding block; and the left clamping claw and the right clamping claw are slidably connected with thebase plate through the sliding blocks and the sliding chutes. The elastic buffer tool fixture provided by the invention is simple and reasonable in structure, easy to produce and manufacture, ingenious in design, novel in conception, and capable of effectively fastening workpieces, and cannot cause the breakage of a milling cutter or an object to be processed, so that the economic loss is avoided.

The invention discloses a solid-wood composite decoration batten comprising a batten body. A cavity is formed in the batten body, and a controller, a heating device and a temperature sensor are sequentially arranged in the cavity. The output end of the temperature sensor is connected with the input end of the controller, and the output end of the controller is connected with the input end of the heating device. A through hole is formed in one side of the inner wall of the cavity, and a baffle is rotatably connected into the through hole through a rotating shaft. A clamping rod corresponding tothe baffle is arranged on the outer wall of the batten body. The clamping rod and the outer wall of the batten body are rotatably connected through a telescopic rod which is sleeved with a first spring. The two ends of the first spring are fixedly connected with the clamping rod and the outer wall of the batten body correspondingly, and a plurality of pairs of locking blocks are fixedly connectedto the two ends of the batten body. By arranging the temperature sensor and the controller, the decoration batten can be automatically controlled according to the indoor temperature, and therefore the application range of the decoration batten is expanded.

The invention discloses a cart, and belongs to the field of constructional engineering. According to the scheme, the cart is convenient to adjust the supporting position of the rear wheel so as to achieve the labor-saving effect. The cart comprises a hopper body, front wheels and rear wheels, the front wheels are arranged on the front portion of the bottom of the hopper body, and the rear wheels are arranged on the rear portion of the bottom of the hopper body. The rear wheel comprises a wheel shaft, rolling wheels are arranged at the two ends of the wheel shaft respectively, and at least two grooves are formed in the rear portion of the bottom of the hopper body; the grooves are formed in parallel at intervals in the front-back direction of the hopper body, and the wheel shafts can be switched in the grooves and achieve clamping fit. By arranging a plurality of corresponding groove structures and adjusting different grooves to be matched with the wheel shaft, the supporting position of the hopper main body can be adjusted by the rear wheel, then different grooves can be selected to be arranged for matching according to actual conditions, and the purpose of saving labor can be achieved.