57results about How to "Easy to touch" patented technology

The utility model relates to an air tightness detection sealing tool and a detection system, the air tightness detection sealing tool comprises a driving module and a plugging module, the driving module comprises a position adjusting assembly and a connecting assembly which are connected, and the position adjusting assembly drives the connecting assembly to move; the plugging module comprises a plugging assembly, the plugging assembly is provided with a connecting part matched with the connecting assembly, and the connecting assembly is detachably connected with the connecting part. The airtightness detection sealing tool is suitable for sealing of a device shell, and especially when the inner side of a detected workpiece needs to be sealed, due to the fact that the driving module and the plugging module are detachably connected, the plugging module and the driving module can be arranged on the inner side and the outer side of the detected workpiece respectively; and the connection between the plugging module and the driving module is realized through the connecting assembly and the connecting part, so that the driving module can conveniently drive the plugging assembly to abut against the inner side surface of the tested workpiece, the inner side of the tested workpiece is sealed, and the sealing state is consistent with the actual assembly state.

The invention discloses a relay, which comprises a shell, a magnetic circuit part, a contact part and a pushing part, and is characterized in that the magnetic circuit part is mounted on the shell and comprises at least two magnetic circuit units; the contact part is arranged on the shell and comprises a movable spring group, a static contact group and a load terminal; the movable spring groups and the static contact groups are arranged corresponding to the magnetic circuit unit, and each movable spring group is provided with a movable contact group corresponding to the static contact group; each movable spring group and the corresponding static contact group jointly form a switch; the movable spring group and the static contact group in each switch are respectively connected with different load terminals, and at least one load terminal is shared by at least two switches and forms a common terminal; and the pushing part comprises a pushing piece accommodated in the shell, the pushing piece and the magnetic circuit unit are correspondingly arranged, and the pushing piece is driven by the corresponding magnetic circuit part to drive the corresponding movable spring group, so that the movable contact group and the corresponding static contact group are closed or opened. By adopting the technical scheme, the occupied space is smaller than that in the prior art for realizing the functions of more than two switches.

The utility model provides a caliper type turning wrench which comprises a handle, a first caliper head and a second caliper head, the first caliper head is used for being connected with a shaft neck portion of a coupler in a clamping mode, the second caliper head is used for being connected with the shaft neck portion of the coupler in a clamping mode, the first caliper head is of a semi-arc structure, and the second caliper head is installed at one end of the handle. And the joint of the second clamp head and the handle is rotationally connected with the first clamp head. A caliper type structure is adopted, a lever connecting rod stress application mechanism is used for clamping the shaft neck position of the coupler for turning, the handle is moved by hand, the caliper drives the coupler to rotate, and the purpose of turning is achieved. And the damage of turning to a coupling fixing bolt is reduced. The structure is compact without detachable parts, and carrying and using are easy and convenient.

The utility model relates to the field of battery production, and discloses a probe device, processing equipment and a battery production line. The probe device comprises a first support and first probes, the first support is provided with at least two first probes, and the first probes on the first support are arranged along a first direction; the second support and the first support are arranged in the second direction, the second support and the first support can move relatively in the first direction, the second support is provided with at least two second probes, and the second probes on the second support are arranged in the first direction. The head of the second probe and the head of the first probe face the same direction. The axes of the first probes on the first support and the axes of the second probes on the second support can be staggered in the direction perpendicular to the first direction, so that the fine grids between the two adjacent first probes can abut against the second probes, and the fine grids between the two adjacent second probes can abut against the first probes.

The utility model relates to the technical field of SIS system control instruments, and discloses a protective device for an SIS system control instrument, which comprises an SIS system control instrument. A protection box body; a guide plate; wherein a mounting channel convenient for mounting the SIS system control instrument is formed among the four guide plates, and the SIS system control instrument can be inserted and mounted in the mounting channel; a limiting plate; after the SIS system control instrument is installed in the installation channel in an inserted mode, the bottom and the top of the rear side of the SIS system control instrument abut against the two limiting plates respectively. A transparent cover plate; and an adsorption structure. According to the utility model, after the SIS system control instrument is installed in the installation channel and covered with the transparent cover plate, under the combined action of the protection box body and the transparent cover plate, the SIS system control instrument body can be protected, and the SIS system control instrument is prevented from being impacted by the outside; and the function keys of the operation panel of the SIS system control instrument can be prevented from being easily touched by non-staff.

The utility model relates to the technical field of vacuum coating equipment, and discloses a window assembly and vacuum coating equipment, the window assembly is installed on an equipment shell, and the window assembly comprises first glass arranged on the side wall of the equipment shell; the second glass is located between the first glass and the product and detachably connected with the equipment shell, and the projection of the first glass and the projection of the second glass are overlapped in the direction of observing the product through the first glass. According to the window assembly provided by the utility model, the second glass is arranged between the first glass and the product, so that part of heat radiation can be blocked through the second glass, the probability that the first glass is damaged due to high temperature is reduced, the frequency of replacing the first glass is reduced, and the situation that the replacement of the first glass occupies much downtime is avoided; and the second glass is detachably connected with the equipment shell, so that the time required for replacing the second glass is shortened, the window assembly is convenient to repair and maintain, and the influence of shutdown construction on production is reduced.

The application provides a steel coil head straightening device, which comprises a rotating support, a first straightening roller and a second straightening roller arranged on opposite side walls of the rotating support in a first direction, a guide fixed to the opposite side walls of the rotating support and distributed in the first direction, the guide being used for guiding the steel coil head into a straightening gap between the first straightening roller and the second straightening roller, a fixed support arranged outside the rotating support, the fixed support being provided with a first guide mechanism and a second guide mechanism, the first guide mechanism being used for adjusting the position of the rotating support in the first direction, and the second guide mechanism being used for adjusting a straightening space under the drive of an external force, and a rotating drive device with a fixed end fixed to the fixed support and a driving end fixed to the rotating support, the rotating drive device being used for driving the rotating support to rotate. The application can realize the functions of steel coil head and rough straightening integration, simplify the device structure, improve the operation efficiency, save the production cost, and prolong the service life of the roller system.

The utility model discloses a movable plate trailer which comprises a plate trailer body, the plate trailer body is arranged on a base in a sliding mode in the front-back direction through a sliding mechanism, baffles are arranged at the left end and the right end of the upper end of the plate trailer body respectively, a plurality of winders are rotationally arranged on one baffle, a driving mechanism is arranged on one baffle, and a rope is connected to the winders in a wound mode. A plurality of fixing blocks are arranged on the other baffle, first through holes are formed in the fixing blocks, a cavity is formed in the base, and a plurality of second through holes are formed in the upper end of the base. According to the movable plate trailer, steel structures or steel plates needing to be transported are placed on the plate trailer body, one end of each rope is pulled out of the corresponding winder, the end of each rope is bound to the corresponding fixing block or the plate trailer body according to the stacking condition of the steel structures or the steel plates, and at the moment, the winder is driven by the driving mechanism to rotate; therefore, the rope can abut against a steel structure or a steel plate on the plate trailer body, and the steel structure or the steel plate can be reinforced.

The invention relates to the technical field of pet supplies, in particular to a pet bathing fixing device which comprises a frame body and further comprises a fixing mechanism used for stabilizing the neck of a pet when the pet takes a bath, and the fixing mechanism comprises two L-shaped rods fixedly connected to the end face of the frame body; the arc surfaces of the two L-shaped rods are fixedly connected with a first clamping hoop, the arc surfaces of the two L-shaped rods are slidably connected with a second clamping hoop, and the arc surface of one L-shaped rod is fixedly connected with a connecting plate. By means of driving of the screw threads, the second clamp can move in the direction close to the first clamp, through accurate thread transmission, the second clamp can be stably matched with the first clamp, and it is ensured that the neck of a pet is properly fixed and supported. The stable hoop design not only effectively limits the moving range of the pet, but also can prevent the pet from excessively struggling or being uncomfortable in the bathing process, and reduces the risk of accidental injury.

The utility model discloses an electrical safety protection device for electrical equipment, including button box and install a plurality of control button on button box, the outer surface of button box is located the side abutment of control button has the casing, the casing is jointly installed with button box locking assembly, the outer surface one side of casing is equipped with a plurality of spring button that reaches inside, the top of a plurality of spring button all is equipped with short rack. In the utility model, through set up casing cover control button and adopt two -stage mechanical linkage trigger structure, effectively solved the problem that traditional bare type switch is easy to mistake, the user needs to press Z board into casing first, then can trigger button to push and pull board, form double -operation insurance, significantly reduce the risk of equipment misoperation caused by non -authorized or accidental touch, keep the convenience of operation simultaneously, be applicable to the electrical equipment of higher safety requirement in industry and public places etc.

The utility model provides an integrated button structure of printer and printer, including the shell body, the shell body is provided with the button position, the button position is partially hollow, the hollow part of the button position is provided with the pressing body and the elastic arm, one end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the button position, and the other end of the elastic arm is connected with the button position. One end of the elastic arm is connected with the pressing body, the other end of the elastic arm is connected with the inner wall of the hollow part of the key position, a gap is formed between the pressing body and the inner wall of the hollow part of the key position, the pressing body and the elastic arm are integrally formed, and the elastic arm and the shell body are integrally formed. By arranging the partially-hollowed-out key position on the shell body, when the shell is formed, the pressing body of the hollowed-out part is connected with the inner wall of the hollowed-out part through the elastic arm, the pressing body and the shell body are formed into a whole, the elastic arm provides reset force and connection limiting, the structure is more compact, excessive free shaking is avoided, additional assembly is not needed, and the cost is reduced. The production efficiency can be improved, independent mold opening for the key is not needed, and the production cost can be saved.

The invention relates to a testing method, system and terminal of a chip testing tool, and relates to the field of tools, and the method comprises the steps: obtaining the internal image information of the testing tool; determining notch features, notch feature sizes and notch feature positions according to the internal image information and a notch feature library; controlling a preset clamping device to place the standard chip into the test slot according to the notch feature position based on the fact that the notch feature size falls into the installation size range, and controlling an upper cover to press the standard chip according to the initial downward pressure to obtain a signal test result; when the signal test result is consistent with the preset reference output, completing the test; and when the signal test result is inconsistent with the reference output, giving out an unqualified prompt. The chip testing tool is tested by adopting the method, so that the function completeness of the chip testing tool is ensured, and the accuracy of chip testing is improved.

The utility model relates to a plugging device which comprises a fixing part and a sealing part, the fixing part comprises a net-shaped woven structure and a plurality of wing parts extending in the radial direction, and the length of the wing parts extending in the radial direction at least exceeds one third of the radius of the whole fixing part. Compared with the design of a traditional fixing part with the outer side edge in a cylindrical state (namely, the section is a circular boundary), the multiple wing parts are formed on the fixing part of the plugging device and can be adaptively clamped into the grooves and the protrusions of the implantation area, the anchoring piece can abut against or penetrate into the surface of the implantation area in the corresponding area conveniently, and the plugging effect is improved. And better anchoring capability is obtained.

This utility model relates to the field of medical assistive device technology, and proposes a sensory integration assistive training device for patients with neurodevelopmental disorders. The device includes a base, a hollow arm fixed to the center of the top surface of the base, a support arm movably inserted into the inner side of the hollow arm, a receiving groove on the inner side of the upper end of the support arm, a rotating hole in the center of the inner top surface of the receiving groove, a drive motor fixed to the bottom surface of the receiving groove, a rotating shaft fixed to the center of the top surface of the drive motor, the rotating shaft passing through the rotating hole, a trainer fixed to the top of the rotating shaft, a touch panel fixed to the center of one outer wall of the trainer, and a colored light strip fixed to one outer wall of the trainer. The trainer of this utility model can rotate slowly, and in conjunction with the light effect of the colored light strip and the sound of the speaker, attract children with neurodevelopmental disorders to touch the touch panel, stimulating their visual, auditory, and tactile senses, gradually improving their cognitive impairment and helping them recover as soon as possible.

The present utility model relates to a toilet. The toilet comprises: a seat body having a sewage accommodating bowl; a ring flushing pipeline, the ring flushing pipeline being used for performing ring flushing on the sewage accommodating bowl; a bottom flushing pipeline, the bottom flushing pipeline being used for performing bottom flushing on the sewage accommodating bowl; and a flush valve, the flush valve being capable of being in fluid communication with at least one of the ring flushing pipeline and the bottom flushing pipeline, such that water for flushing flows to the sewage accommodating bowl via the flush valve. A first power supply apparatus is arranged in the seat body, and the first power supply apparatus is configured to supply power to the flush valve. By "sinking" the power supply apparatus which supplies power to the flush valve to the seat body of the toilet, the flexibility of supplying power to the flush valve and the flexibility of the arrangement of the power supply apparatus are achieved, thereby avoiding problems such as a layout difficulty or an electrical safety issue caused by concentrating electronic devices on a toilet lid or other positions.

The utility model discloses a measuring head of a mechanism for measuring the inner diameter and the outer diameter of a ring part, which relates to the technical field of ring part measurement and specifically comprises a bottom plate and an adjusting plate. According to the measuring head of the measuring mechanism for the inner diameter and the outer diameter of the ring part, a first screw rod, a first threaded ring block, a first matching block, a guide ring, a connecting rod, a second matching block, a first arc-shaped plate, a convex sliding block, a second arc-shaped plate, a guide rod, a baffle plate, a pointer rod and a graduated scale are arranged; the measuring head of the ring part inner and outer diameter measuring mechanism has the effect of conveniently measuring the inner and outer diameters of a ring part, through cooperation of a first screw rod and a first threaded ring block, a plurality of first arc-shaped plates and second arc-shaped plates can conveniently move synchronously, a plurality of second arc-shaped plates can conveniently abut against the inner surface and the outer surface of the ring part respectively, and the inner and outer diameters of the ring part can be conveniently measured. And through cooperation of the pointer rod and the graduated scale, measurement is facilitated, and the purpose of improving practicability is achieved.

The utility model relates to a light adjusting circuit technical field discloses a kind of LED lamp strip control circuit with touch and PWM light adjustment with simple structure, touch sensitivity is high and stable light adjustment effect, including touch area circuit (100), touch detection circuit (110), MCU main control circuit (120), LED drive circuit (130) and MOS tube power supply on-off circuit (140), wherein, when the control signal of MCU main control circuit (120) input is high level, MOS tube power supply on-off circuit (140) is controlled to be conducted, to control MOS tube power supply on-off circuit (140) to LED drive circuit (130) output a voltage signal, the duty cycle of LED drive circuit (130) regulation output PWM signal, to control the voltage of LED drive circuit (130) loading in LED lamp strip.

The present invention relates to the technical field of grinding and polishing, and discloses a filter housing polishing device, including a housing, and also including: an outer ring plate, which is rotatably arranged in the housing, and a plurality of blades arranged circumferentially are rotatably arranged on the outer ring plate; an inner plate, which is sleeved in the outer ring plate, and the inner plate and the plurality of blades are linked by a linkage; a shaft rod, which is axially slidably arranged, and the bottom of the shaft rod is fixedly connected to the axis of the inner plate, and the shaft rod is connected to the motor through a coupling tube; a fastening ring, which is screwed on the shaft rod and is used to lock the shaft rod in the upper limit position and the lower limit position. The present invention only needs the same polishing equipment to realize the grinding process and the polishing process, and can blow away the dust particles during the grinding process to avoid the adverse effects of the dust particles on the grinding, and can prevent the polishing agent from clogging the equipment vents during the polishing process.

The invention provides a water and fertilizer applying device for flower cultivation, and relates to the technical field of irrigation equipment, the water and fertilizer applying device comprises a mounting pipe, a driving pipe, a support arm and a jacking piece, the driving pipe coaxially penetrates out of an inner cavity of the mounting pipe, and the jacking piece is used for driving the driving pipe to move up and down in the mounting pipe; the support arm is connected with the driving pipe; a water nozzle and a water-fertilizer nozzle are arranged at the bottom of the support arm; a clamping piece is arranged on the mounting pipe, the clamping piece comprises a first clamping seat and a second clamping seat which are arranged in a relative rotation mode, a plurality of first rolling wheels are arranged on the first clamping seat at intervals, and a plurality of second rolling wheels are arranged on the second clamping seat at intervals; when the flowerpot is held by the first clamping seat and the second clamping seat, the outer wall of the flowerpot is abutted against the first roller and the second roller in a rolling manner; a driving wheel is further rotationally arranged at the bottom of the supporting arm, and the jacking piece drives the driving pipe to move downwards so that the driving wheel can abut against the inner wall of the flowerpot in a rolling mode; the problems that when water and water fertilizers are manually applied, the application amount is difficult to control, application is uneven, and the water and the water fertilizers are prone to making contact with flowers to cause damage to the flowers are solved.

This invention relates to the field of paper tube processing equipment, specifically an automatic length adjustment and control device for a paper tube cutting machine. The device includes a main body with a protective cover. A pressing component is located at the bottom of the protective cover, and a cutting component is located at the bottom of the pressing component. A conveying mechanism is located on one side of the protective cover, and a limiting mechanism is located on the other side. The conveying mechanism facilitates pushing the raw material close to the contact block. After cutting, the cut paper tube is easily pushed to the top of the lifting mechanism for raising and transferring the cut paper tube. The limiting mechanism allows for automatic adjustment of the stop position and automatic preset of the cut paper tube length. The lifting mechanism facilitates raising the paper tube height so that the transfer mechanism can contact the material against the receiving mechanism, automatically transferring the cut paper tube out. This avoids manual handling, reduces human intervention, lowers labor intensity, and improves processing efficiency.

A pair of surgical expansion forceps comprises a first forceps body and a second forceps body which are hinged to each other, arc-shaped pieces with opposite openings are arranged at one end of the first forceps body and one end of the second forceps body, an arc-shaped rack is arranged at the other end of the first forceps body, a fixing hole is formed in the other end of the second forceps body, and the arc-shaped rack movably penetrates through the fixing hole along with opening and closing of the first forceps body. The second forceps body is further provided with a movable locking part, the locking part is provided with a convex part meshed with the arc-shaped rack, and the arc-shaped sheets with opposite openings are convenient for opening an operation area to provide physical space convenience for the operation, so that the wide operation view and the exposure of the operation part are ensured, and the smooth operation is facilitated; the arc-shaped rack and the locking part are arranged, so that the distance between the first forceps body and the second forceps body after opening and closing is fixed conveniently, and the workload of doctors is reduced.

The utility model discloses a concrete formwork supporting device, and belongs to the technical field of building construction, the concrete formwork supporting device comprises a bottom plate, a sliding block is slidably mounted on the bottom plate, a supporting seat is rotatably connected to the sliding block, a supporting plate is arranged on the supporting seat, and an adjusting mechanism for adjusting the height of the supporting plate is arranged on the supporting seat; the adjusting mechanism comprises a moving cylinder and a first threaded rod, a moving groove is formed in the supporting base, the moving cylinder is in sliding connection with the inner wall of the moving groove, a receding cavity is formed in the moving cylinder, the first threaded rod is rotationally connected to the bottom wall of the moving groove and is in threaded fit with the moving cylinder, and one end of the first threaded rod is located in the receding cavity. The supporting plate is rotationally connected to the moving cylinder; the adjusting mechanism further comprises a driving assembly used for driving the first threaded rod to rotate. The formwork supporting device has the effect of providing supporting for formworks at different heights.

Electronic expansion valve, including valve body part, screw rod valve needle assembly and nut part, the valve body part includes valve port part, the nut part is fixedly connected with the valve body part, the screw rod valve needle assembly includes screw rod and valve needle, the screw rod includes screw rod threaded part, the nut includes nut threaded part, the screw rod threaded part is screwed with the nut threaded part, the valve body part includes guide part, the valve needle includes valve needle guide part, the valve needle guide part is slidably matched with the guide part, the valve needle can approach or away from the valve port part through the threaded cooperation; the screw rod includes support part, the valve needle includes hanging part, the support part is closer to the valve port part than the hanging part, the support part can abut against the hanging part, further including elastic member, when the valve needle abuts against the valve port part, the first end part abuts against the screw rod, and the second end part abuts against the valve needle.

The utility model relates to an angle-adjustable aerosol bracket, and relates to the field of an aerosol fire extinguishing technology. The device comprises a connecting frame used for being connected with a target device, a turnover frame is hinged to the connecting frame, the turnover frame is used for fixing an aerosol tank body, and a control assembly used for controlling the turnover angle of the turnover frame is arranged on the connecting frame. According to the aerosol fire extinguishing device, an operator can conveniently adjust the orientation of the aerosol tank body so as to carry out centralized fire extinguishing on an inflammable position, and the aerosol fire extinguishing efficiency can be improved.

The utility model discloses a rope sawing machine with a positioning mechanism, which relates to the technical field of rope sawing machine positioning tools and comprises a bottom frame, a guide rod is mounted in the middle of the top surface of the bottom frame, a moving box is arranged at the upper end of the bottom frame, driving wheels are mounted at four ends of the bottom surface of the moving box, and a driving positioning component is arranged at the upper end of the bottom frame; through the cooperation of the rotating shaft and the driving box, the cutting direction of the cutting rope can be conveniently changed, the cutting diversity is increased, and the cutting efficiency is improved; through cooperation of a rack and a connecting plate, movement of a bearing wheel is conveniently controlled, and the situation that the cutting efficiency is reduced due to the fact that the cutting rope is not in a tightened state during cutting is avoided; through cooperation of a bearing wheel and a pressing wheel, the cutting rope can abut against a connecting wheel all the time, the cutting rope is prevented from falling off, and the cutting effect is improved; through cooperation of a spring and an L-shaped block, a pressing wheel can abut against the cutting rope conveniently, and the cutting rope is prevented from falling off when the device is used; according to the device, the cutting effect is improved, objects can be conveniently cut in different directions, and the cutting efficiency is improved.

This invention relates to an occlusion device, comprising a fixing part and a sealing part. The fixing part includes a mesh-woven structure and a plurality of radially extending wings. At least one set of anchoring elements is disposed on the outer side of each wing, and the anchoring elements are disposed on the long side of the circumferential direction of the wing. Compared with the conventional fixing part design with a cylindrical outer edge (i.e., a circular cross-section), the fixing part of the occlusion device provided by this invention has multiple wings that can adaptively engage with the grooves and protrusions of the implantation area, facilitating the anchoring elements to abut or penetrate the surface of the implantation area in the corresponding area, thereby obtaining better anchoring capability.

The utility model discloses a water conservancy pipeline which comprises a water inlet pipe, a water outlet pipe is arranged on one side of the water inlet pipe, a filtering mechanism used for filtering impurities is arranged between the water inlet pipe and the water outlet pipe, and the filtering mechanism comprises a filtering pipe, a filtering element, a sealing ring, a sealing piston, a temporary storage pipe, a screw rod and a threaded sleeve. A filter pipe is fixedly arranged between the water inlet pipe and the water outlet pipe, a filter element is arranged in the filter pipe, a sealing ring is fixedly arranged at the lower end of the filter element, and a sealing piston is arranged at the upper end of the filter element. The water conservancy pipeline filter is good in using effect, impurities in a water conservancy pipeline can be filtered, the filtered impurities can be deposited in the temporary storage pipe so as to facilitate follow-up cleaning work, the water inlet pipe and the water outlet pipe can be plugged through the piston in the cleaning process, and the phenomenon that when the impurities and the filter element are cleaned, the water inlet pipe and the water outlet pipe are blocked can be effectively avoided. And the situation of pipeline leakage is avoided.

The utility model provides a battery pack and a vehicle, the battery pack provided by the utility model comprises a lower shell and a connecting part which is arranged at the bottom of the lower shell and is used for being connected with an automobile body; the lower shell comprises a bottom plate and a cross beam arranged on the bottom plate; the connecting part comprises a through hole penetrating through the bottom plate and a connecting hole which is formed in the bottom of the cross beam and corresponds to the through hole, a connecting piece arranged on the automobile body penetrates through the through hole and then is connected with the connecting hole, and the battery pack is fixed to the automobile body. According to the battery pack disclosed by the utility model, the connecting part connected with the vehicle body is arranged at the bottom of the lower shell, and the connecting part comprises the through hole which penetrates through the bottom plate and the connecting hole which is formed in the cross beam and is used for being connected with the connecting piece, so that the occupied space of the battery pack in the width direction of the whole vehicle is reduced; and the occupied space in the height direction is not additionally increased, the structure is simple, and arrangement and implementation are convenient.

The utility model discloses a prefabricated composite floor slab post-cast strip pouring grout leakage prevention device which comprises a supporting mechanism, a mounting plate arranged on the upper portion of the supporting mechanism and an aluminum alloy plate detachably arranged on the upper portion of the mounting plate, the aluminum alloy plate abuts against the lower surface of a post-cast strip, and a limiting mechanism used for clamping a prefabricated floor slab is arranged on the aluminum alloy plate. The limiting mechanism comprises a lead screw penetrating through the aluminum alloy plate and a limiting steel bar arranged at one end of the lead screw, the limiting steel bar abuts against the upper surface of the post-cast strip, the supporting mechanism comprises an outer sleeve and an inner sleeve slidably arranged in the outer sleeve in a sleeved mode, a top plate is arranged on the upper portion of the outer sleeve, and an adjusting mechanism is arranged on the lower portion of the inner sleeve. The aluminum alloy plate can abut against the lower surface of the prefabricated floor slab conveniently through the supporting mechanism, the limiting steel bars can be hung on the prefabricated floor slab conveniently through the limiting mechanism, and therefore the aluminum alloy plate can be tightly attached to the lower portion of the prefabricated floor slab, and flexibility and practicability are high.