29results about How to "Guaranteed level status" patented technology

The application belongs to the field of circuit breakers, and particularly relates to a conveniently-installed pole-mounted circuit breaker, which comprises a circuit breaker body, a support arranged below the circuit breaker body, a bottom plate fixedly arranged at the upper end surface of the support, a base fixedly arranged at the upper end surface of the bottom plate, a butt joint piece fixedly arranged at the lower end surface of the circuit breaker body, a trapezoidal butt joint groove arranged at the upper end surface of the base below the butt joint piece, a plurality of guide inclined surfaces arranged in cooperation with the trapezoidal butt joint groove, an arc-shaped groove arranged on the sidewall of the base at both sides of the trapezoidal butt joint groove, a clamping roller slidingly and clamped in each arc-shaped groove, and an elastic tensioning assembly arranged between the clamping roller and the butt joint piece. Through the arrangement of the clamping roller and other components, the horizontal state of the circuit breaker body during butt joint can be ensured when the butt joint piece arranged below the circuit breaker body is butt jointed with the base, and the pre-fixing of the circuit breaker body during installation is formed through the elastic limiting clamping of the arc-shaped groove and the clamping roller.

The utility model relates to straightening press technical field discloses straightening press suitable for soft quality steel straightening, including work table, the top of work table is provided with adjusting mechanism, the top of adjusting mechanism is provided with down -the -press subassembly, down -the -press subassembly is used for rectifying soft quality steel, the right side of work table is provided with fixed component, fixed component is used for fixed adjusting mechanism, the back of work table is provided with detection component, detection component is used for detecting soft quality steel bending degree, the bottom fixed connection of work table has support seat, the bottom of support seat is provided with horizontal component, horizontal component is used for adjusting device is in horizontal state. In the utility model, when straightening soft quality steel, rotating the rotary disc adjusts the adjusting pad block interval to adapt to the hardness of steel, the steel is put into the correction groove, the detection head is pressed into the groove to measure the bending degree, the down -the -press subassembly is pressed down, the adjusting pad block cooperation increases the deformation of the bending place, satisfies the straightening demand.

The utility model relates to the technical field of tunnel construction, in particular to a tunnel drilling deviation rectifying device which comprises a supporting disc, a rotating plate is movably connected to the interior of the supporting disc, a first connector is fixedly connected to one face of the rotating plate, a second connector is fixedly connected to the other face of the rotating plate, and an inserting rod is connected to the surface of the supporting disc in a penetrating mode. Under the connection of the rotating plate and the first connector, the horizontal rotating effect on the drill rod is achieved, it is guaranteed that a drill hole is horizontal, deviation is avoided, under the connection of the adjusting groove and the adjusting frame, the contact area of the drill rod and a tunnel face is increased through the action of the contact plate, the stable supporting performance of the inserting rod to the supporting disc is improved when the inserting rod is used in an inserted mode, and the service life of the drill rod is prolonged. And through abutting contact of the pressing block and the inserting rod, the connecting position between the inserting rod and the supporting disc is fixed, the supporting disc moves along with movement of the position of the inserting rod, and the regulation and control accuracy of the using levelness of the supporting disc is improved.

The utility model discloses a surveying and mapping device suitable for complex terrains, which comprises a leveling base, a ball head piece is embedded in the center of the leveling base, and the top of the ball head piece is fixedly connected with a supporting platform; a plurality of extension springs are arranged between the supporting platform and the leveling base, and the extension springs are symmetrically arranged relative to the center of the leveling base; the mounting platform is rotatably arranged on the supporting platform and is used for mounting a surveying instrument; the supporting legs are hinged to the leveling base, and the supporting legs are symmetrically arranged relative to the center of the leveling base; the supporting leg is of a telescopic structure, the lower end of the supporting leg is rotationally connected with an anchoring assembly, and the anchoring assembly can rotate to one side or the lower portion of the supporting leg; and first non-slip mats are arranged on the bottom surfaces of the supporting legs. The surveying instrument can meet the stability requirement of complex terrains, is easy and convenient to install and operate, and can guarantee the horizontal state of the surveying instrument in the surveying process.

The utility model provides a kind of bagged powder height adjusting device, including lifting mechanism, conveying mechanism and bottom plate, lifting mechanism is installed on bottom plate, conveying mechanism is installed on lifting mechanism, further include guiding assembly, the upper end of guiding assembly is installed at the lower end of conveying mechanism, guiding assembly includes: connecting plate, connecting plate is fixed at the lower end of conveying mechanism;Connecting rod mechanism, two connecting rod mechanisms are equipped between connecting plate and bottom plate, and connecting rod mechanism is used to keep connecting plate horizontal.The connecting rod mechanism in scheme can ensure that connecting plate is always in horizontal state, so that conveying mechanism can be kept in horizontal state, effectively avoid the distortion caused by asymmetric installation of conveying mechanism.

This utility model relates to the technical field of auxiliary equipment for steel frame welding, and discloses a support device for welding steel frames in factory expansion projects. It includes a support adjustment component, a height adjustment component, and a positioning clamping component. The support adjustment component includes a base with side plates fixedly installed on both sides. Each side plate is equipped with a level. The bottom of the support adjustment component features braked casters for quick movement and positioning. The level on the side plates, in conjunction with a threaded sleeve, a screw, and a non-slip, stable base, enables precise adjustment of the device's horizontal position. Rotating the adjustment block causes the screw to rise and fall along the threaded sleeve, adjusting the stable base to contact the ground. Combined with real-time monitoring by the level, the device is ensured to be level. A rocker arm drives a worm gear transmission, causing the threaded rod to rotate. With the guidance of a limiting slide bar and a limiting groove, the lifting plate rises and falls smoothly along the fixed plate. The height can be flexibly adjusted according to the steel frame specifications and welding requirements, reducing the frequency of steel frame position adjustments.

This utility model discloses a horizontal monitoring device for building construction, including a stabilizing frame with adjustable support legs at its lower end. A monitoring component for horizontal monitoring is installed inside the stabilizing frame, and a counterweight is installed at the lower end of the monitoring component. The monitoring component includes a connecting pipe. In this utility model, by setting up the monitoring component and using the connecting pipe in conjunction with magnetorheological fluid, the monitoring component can be leveled by its own counterweight in a natural state. Then, by controlling the operation of the electrodes, the magnetorheological fluid is solidified, ensuring that the laser emitting component remains horizontal. In this state, the laser emitting component emits laser lines, which, in conjunction with the construction workers' operations, achieve the purpose of horizontal monitoring. Simultaneously, a wireless control module can be used during construction to remotely control the operation or stop of the electrodes, achieving automated calibration without the need for repeated adjustments by the user.

This utility model discloses a lightweight hot air blower frame, specifically relating to the field of hot air blower technology. It includes a fixed plate with a mounting groove on one side. A support device is movably connected to the rear end of the fixed plate. Bolts are movably connected to one side of the mounting groove. A connecting device is fixedly connected to the upper end of the support device, and a fixed seat is movably connected to the upper end of the connecting device. A hot air blower is fixedly connected to the upper end of the fixed seat. This lightweight hot air blower frame solves the pain points of traditional hot air blowers in complex environments by upgrading flexibility, stability, and scene adaptability. It also has advantages such as safety, efficiency, and ease of maintenance. The height of the support legs can be adjusted according to the flatness of the ground or operational needs, ensuring the hot air blower remains horizontal under uneven, tilted, or other non-ideal ground conditions. The support legs can rotate at multiple angles and independently adjust the tilt angle, enhancing the equipment's fit with the ground and preventing tipping.

The utility model provides a wafer overturning structure, which relates to the technical field of semiconductor processing, and comprises an overturning platform mounting plate and an overturning assembly, the overturning assembly comprises a motor arranged on the overturning platform mounting plate, the output end of the motor is provided with a rotating plate, the bottom of the rotating plate is fixedly provided with a cantilever, the cantilever is provided with an adsorption plate, and the adsorption plate is arranged on the overturning platform mounting plate. According to the utility model, the motor drives the rotating plate to rotate and drives the cantilever and the adsorption plate to realize wafer overturning, the parallel finger cylinder pushes the cylinder clamping plate to enable the centering clamping plate to move along the direction of the wafer so as to realize centering calibration of the wafer, and the first cylinder and the second cylinder are linked to adjust the telescopic stroke of the adsorption plate so as to adapt to different wafer sizes. The vacuum chuck is connected with an air channel through an air pipe connector to generate negative pressure to adsorb the wafer, then the motor is started, constant-speed rotation is achieved through the speed reducer, the cantilever drives the wafer to complete turning over, and therefore the wafers of different sizes can be turned over in a compatible mode.

The application relates to the technical field of soil pollution treatment, and discloses soil pollution control and treatment equipment for piling engineering, which comprises a vehicle body, and a hydraulic cylinder fixed end is hingedly installed on the vehicle body. The soil pollution control and treatment equipment for piling engineering is provided with a treatment assembly, an asynchronous motor and a threaded rod, so that the moving frame can move axially; the asynchronous motor, a rotating shaft and a transmission part are used to make the drill rod rotate in the bracket to drill and pile; a medicine bucket, a water pump, an elbow and a stop electromagnetic valve are used to make the medicine enter the inside of the drill rod through a hose, the elbow, a cavity and a through hole, and then sprayed into the soil at the drilling point through the small-head-end opening of the conical cover, so that the pollutants in the soil can be degraded, converted and absorbed; the soil pollution control and treatment can be better carried out in the piling process; the rotating rod, the rotating drum and the self weight of the medicine are used to make the medicine bucket driven by the rectangular plate always keep in a vertical state, so that the medicine is prevented from leaking.

This invention relates to the field of semiconductor product testing technology and discloses a high and low temperature testing and conveying device for semiconductor products. The device includes a carrier on which a tray is placed. Several sets of lower pressure plates and upper pressure components are respectively installed on the carrier. The lower pressure plates and upper pressure components are drively connected and move in opposite directions. One set of lower pressure plates has a positive trapezoidal plate, and an inverted trapezoidal plate is also provided inside the testing chamber. The inverted trapezoidal plate cooperates with the positive trapezoidal plate to move the lower pressure plates downwards. By setting relatively movable lower pressure plates and pressure cylinders, the cooperation of the inverted and positive trapezoidal plates during carrier movement drives the automatic clamping of the tray. This forcibly corrects the unevenness of the tray top caused by long-term wear, ensuring that the tray top always remains level. This guarantees that the suction cup can accurately pick up semiconductor products from all positions within a fixed stroke, effectively avoiding missed tests due to partial tray sagging, and significantly improving the integrity and reliability of the test.

The utility model relates to metal cutting processing field discloses a double position rotary worktable of horizontal processing, including support base and worktable body that rotates on it, be provided with the drive arrangement of the intermittent reciprocating rotation of worktable body between the loading and unloading station and the machining station on the support base, the rotating support mechanism for guaranteeing worktable body to be in the horizontal state is arranged below worktable body at the loading and unloading station, and the rotating support mechanism includes the column fixed vertically on the horizontal reference object and the rolling body that rolls and sets on the upper end surface of column and rolls and sticks together with the lower surface of worktable body, and this worktable body cooperates the rotating support mechanism at the loading and unloading station, can avoid this side worktable body because of the impact force of product mistake down and drop, and further can ensure that worktable body located at the machining station is always in the horizontal state, guarantees the machining accuracy of product.

The invention relates to the technical field of boiler transformation construction, and discloses a boiler expansion transformation furnace top integral lifting device and a using method, the boiler expansion transformation furnace top integral lifting device comprises a boiler stand column, a boiler stand column cut-off position is arranged on the boiler stand column, and a furnace top steel beam is arranged above the boiler stand column cut-off position; portal frame supports are fixedly welded to the outer sides of the boiler stand columns located below the cut-off positions of the boiler stand columns, portal frame stand columns are fixedly connected to the upper portions of the portal frame supports, and portal frame top cross beams are fixedly connected to the top ends of the portal frame stand columns; an electric hoist is hung on a top cross beam of the portal frame, and the hoisting end of the electric hoist extends downwards and is connected with the furnace top steel beam. In the lifting process, segmented operation is carried out according to synchronous lifting reference points on portal frame stand columns, synchronous lifting and single table fine adjustment are carried out through a control box, eccentric stress is balanced, the vertical displacement deviation of overall lifting is controlled within a safety threshold value, and the horizontal state of the furnace top in the overall lifting process is maintained.

The present application relates to a kind of agricultural four-wheel drive self-adaptive chassis with adjustable stiffness damping mechanism, including vehicle body and independent suspension system;The vehicle body includes vehicle body and frame;The independent suspension system includes suspension damping device arranged in the front and rear sides of vehicle body;The suspension damping device includes suspension device and damping device;The suspension device includes parallelogram profiling mechanism;The damping device includes spring-damping shock absorber and air spring system;The air spring system includes air spring, additional air chamber, inflator, height adjustment valve and connecting pipeline;The upper end of the spring-damping shock absorber is hinged with the vehicle body, and the lower end is hinged with the first connecting rod in the parallelogram profiling mechanism.The agricultural four-wheel drive self-adaptive chassis of the present application can reduce the impact of uneven road on the vehicle body while improving the passability of agricultural unmanned vehicle, and improve the application range of agricultural unmanned vehicle.

The utility model relates to the technical field of valves, in particular to a safety valve clack grinding device which comprises a base, a three-jaw chuck installed on the base, a valve installed on the three-jaw chuck, a supporting plate installed on the valve, a positioning ring fixedly connected to the supporting plate, an eccentric grinding machine installed on the positioning ring and a grinding wheel installed on the eccentric grinding machine. A fixing assembly for supporting the eccentric grinding machine is mounted on the valve; the eccentric grinding machine is installed on the valve through the fixing assembly and the supporting plate, the eccentric grinding machine is used for grinding the valve, and due to the fact that the eccentric grinding machine is installed on the valve, even if the valve is vibrated and deviates during grinding, the eccentric grinding machine and the valve deviate synchronously, and the situation that the quality of the valve is affected due to the fact that the valve is subjected to eccentric grinding during grinding is avoided.

The invention relates to the technical field of water conservancy construction measuring instruments, in particular to a measuring instrument for water conservancy construction design, which comprises a base body, three mounting frames are uniformly, fixedly and obliquely mounted on the base body at intervals in the circumferential direction, and a lead screw is rotatably mounted in each mounting frame; each mounting frame is provided with a driving mechanism capable of driving the corresponding lead screw, each lead screw is in threaded connection with a threaded sliding block, and each mounting frame is provided with a limiting assembly capable of limiting the corresponding threaded sliding block. Through the arrangement of the three installation frames which are evenly and obliquely installed on the base body at intervals, and the lead screws, the limiting assemblies, the threaded sliding blocks and the driving mechanisms which are arranged in the installation frames, the height of the installation base can be accurately adjusted according to requirements; the defect that the height of a traditional measuring instrument cannot be accurately adjusted due to the fact that the distance between holes is fixed is effectively overcome.

The utility model belongs to antenna support field especially a detachable super short wave radio station antenna support structure, it includes the central column, the outside detachable installation of central column has the positioning support, the outside fixed mounting of positioning support has four thread sleeve, the inside of four thread sleeve all is equipped with positioning mechanism, four positioning mechanisms all include sharp cone stake body, the top fixed mounting of central column has the adjusting base, the one side of adjusting base is provided with adjusting groove, the inside of adjusting groove is equipped with adjusting mechanism, the right side of adjusting mechanism is equipped with antenna installation base. The utility model can punch into the ground with sharp cone stake body, adapts to uneven or muddy ground, enhances the stability of antenna support whole, prevents toppling, and through the adjusting mechanism that sets up, when the antenna support sets up on the slope, can guarantee that antenna installation base keeps the horizontal state, avoids the antenna direction to deviate from the preset angle, has strengthened the stability and reliability of signal transceiving.

The utility model relates to material carrying and hoisting transportation technical equipment, and discloses a balance hoisting device which comprises an I-shaped mounting rod, a supporting rod, a chassis structure, a supporting structure, a hydraulic adjusting structure and a suspension arm structure, the chassis structure, the supporting structure, the hydraulic adjusting structure and the suspension arm structure are integrated into a whole, and the chassis structure achieves flexible movement and stable gravity center through an extension rod, a cross rod and rollers at the bottoms of the four corners. The symmetrically-distributed connecting rods and the auxiliary supporting rods form a triangular supporting frame, lateral torque generated by eccentric loads is counteracted, the hydraulic adjusting structure drives a suspension arm rod sleeve to rotate through a hydraulic cylinder, a hydraulic rocker and a four-connecting-rod mechanism, and precise adjustment of the lifting height and angle is achieved in cooperation with a plug pin type extending suspension arm. The lifting hook structure integrates the anti-falling pressing rod and the reset spring, materials are prevented from falling off accidentally, through a multi-fulcrum mechanical balance system, hydraulic dynamic adjustment and safety protection design, the stability, flexibility and safety in the lifting process are remarkably improved, and the material carrying requirement under the complex working condition can be met.

The utility model belongs to the technical field of nylon wheel processing, and discloses a tool clamp of a nylon wheel, which comprises a three-jaw chuck, a connecting piece and a supporting assembly, the three-jaw chuck is used for clamping the nylon wheel, the connecting piece is used for connecting an external motor, the supporting assembly comprises a supporting piece, an elastic piece, an extrusion piece, a limiting block and a rubber strip, the supporting piece is connected to the three-jaw chuck, the elastic piece is arranged on the supporting piece, the extrusion piece is connected to the elastic piece, the extrusion piece is movably arranged on the supporting piece, the limiting block is connected to the extrusion piece, the limiting block is arranged in the supporting piece in a sliding mode, and the nylon wheel can be preliminarily positioned. The nylon wheel is ensured to be kept in a horizontal state, the nylon wheel is ensured to be kept stable when the nylon wheel is clamped by the three-jaw chuck, the effect of accurately clamping the nylon wheel is ensured, the nylon wheel can be extruded and fixed, and the stability of the nylon wheel is effectively improved.

The utility model provides a metal fitting plane positioning device, which belongs to the technical field of metal fitting processing and comprises a mounting plate, vertical plates are fixedly arranged on the left side and the right side of the upper surface of the mounting plate, a hydraulic cylinder is mounted in the center of the outer side surface of each vertical plate, a telescopic rod is mounted at the output end of each hydraulic cylinder, and a clamping plate is detachably mounted at the end part of each telescopic rod; by arranging the plane positioning assembly, when a metal accessory is positioned, firstly, the rotating plate is rotated, so that the horizontal plate on the rotating plate is located between the two clamping plates, then a workpiece needing to be clamped is placed between the two clamping plates, and the upper surface of the metal accessory is tightly attached to the bottom surface of the horizontal plate; the horizontal state of the machining face above the metal fitting is guaranteed, then the two hydraulic cylinders are started, telescopic rods on the two hydraulic cylinders extend, the two clamping plates move in the opposite directions, the two clamping plates are matched to clamp and fix the metal fitting, and the machining quality of the metal fitting is guaranteed.

The utility model provides a subway civil engineering foundation pit deformation measuring device, including foldable support and four measuring mechanisms, four measuring mechanisms are detachable connection in the four crosspieces bottom of foldable support respectively, measuring mechanism includes casing, scale, angle disc, pull rope and fixed plate, the upper end of casing is fixed in the crosspiece bottom of foldable support, and the upper end inboard wall of casing is assembled with two guide wheels, scale and angle disc are fixed in the casing inside respectively, and two are located below two guide wheels respectively, one end of pull rope is connected with gravity slide block in scale, and the other end is around two guide wheels and is connected with fixed plate to the offset slot of casing bottom and is downwardly penetrated, the side wall of fixed plate near foldable support extends a staff horizontally, and the casing bottom is assembled with the range finder corresponding with staff. The utility model not only can reduce detection difficulty, improve measuring efficiency, and also can be convenient to store and transport, reduce the space occupation under non - measuring state.

This utility model provides a smart valve support system integrated with a filter, relating to the field of valve support technology. It includes a filter body, a smart valve support assembly installed on the left side of the flow pipe, and a smart valve body installed on the left side of the flow pipe. A smart controller is installed on the upper side of the smart valve body, and viscous dampers are installed on the lower side of the smart valve body. Through this smart valve support assembly, the viscous dampers can cut off water flow in the smart valve body. When water hammer occurs, the damping characteristics of the viscous dampers effectively reduce the impact force, protecting the pipeline system. During operation, the viscous dampers promptly feed back the impact force data to the smart controller. Simultaneously, the supporting hydraulic rod can adjust its extension length according to the data fed back by the viscous dampers under the command of the smart controller, ensuring that the smart valve body always remains horizontal.

The utility model discloses an environment-friendly rubber float valve, and relates to the technical field of float valves. The environment-friendly rubber float valve comprises a valve body, and a valve leg assembly is fixedly installed at the bottom of the valve body; the first communicating pipe is fixedly mounted in the center of the bottom of the valve body and used for connecting the valve body with external fluid; the first rubber ball is movably mounted in the first communicating pipe and is used for controlling the on-off of the fluid according to the pressure and liquid level change of the fluid; the first mounting sleeve is movably mounted on the first communicating pipe, the first rubber ball is fixedly mounted on the first mounting sleeve, and the first mounting sleeve is used for providing a stable mounting structure for the first rubber ball and replacing and maintaining the first rubber ball; by arranging the first mounting sleeve, a maintainer can quickly dismount the old first rubber ball and mount the new first rubber ball, the whole floating valve does not need to be dismounted and reassembled on a large scale, and the component replacement efficiency is greatly improved.

A water conservancy slope protection net, including strip fixed plate, positioning plug, U-shaped positioning plate, positioning plug rod, fixed shaft rod, positioning stand, rotating pressing plate, magnetic sheet, U-shaped clamping plate, the lower part of the strip fixed plate is connected with the positioning plug, three positioning plugs are evenly distributed in the lower part of the strip fixed plate, the side of the positioning plug has an auxiliary plug, three auxiliary plugs are evenly distributed in the shaft side of the positioning plug, the lower surface of the strip fixed plate is attached to the side skin, the lower part of the U-shaped positioning plate is connected with the strip fixed plate, the U-shaped positioning plate has a strip sliding hole, the positioning plug rod is adapted to the strip sliding hole, the positioning plug rod is inserted into the strip sliding hole, the positioning plug rod slides in the strip sliding hole, the lower part of the positioning plug rod has a plug rod lower disc, the upper surface of the plug rod lower disc is attached to the U-shaped positioning plate, and the lower surface of the plug rod lower disc is attached to the strip fixed plate.

The utility model relates to the field of parking equipment, and discloses a suspension type underground stereo parking garage which comprises a shaft (11), a suspension bearing system, a traction chain (31) and a driving system (5), the suspension bearing system comprises a front main cross beam (21) and a rear main cross beam (22) which are fixed at the top of the shaft (11), and an upper portal frame system (23) fixed above the front main cross beam and the rear main cross beam, a chain bearing plate (24) is arranged on the upper portal frame system; the top end of the traction chain (31) is arranged to be higher than the ground so as to allow the automobile (100) to pass through the space surrounded by the traction chain (31), and the top end of the traction chain is hung on a chain force bearing plate (24). According to the suspension type underground three-dimensional parking garage, the front main cross beam and the rear main cross beam which are fixed to the top of a shaft serve as main bearing foundations, a traction chain is hung through the suspension bearing system comprising the upper portal frame system and the chain bearing plate, and a brand new suspension type bearing design structure is provided.

A tree planting and seedling raising device includes a strip-shaped seedling board, seedling board lower legs, rectangular partitions, side plate sleeves, seedling trays, strip-shaped connecting plates, moving wheels, a fixed plate, a rotating push plate, a positioning shaft, and a U-shaped clamping plate. The lower part of the strip-shaped seedling board is connected to the seedling board lower legs, and multiple seedling board lower legs are distributed on the lower part of the strip-shaped seedling board. The strip-shaped seedling board has seedling board side plates at both ends. The rectangular partitions are connected to the strip-shaped seedling board, and multiple rectangular partitions are evenly distributed on the upper part of the strip-shaped seedling board. The lower surface of the seedling tray is in contact with the strip-shaped seedling board, and the seedling tray has seedling tray side plates at both ends. The side plates of the seedling tray are connected to the strip-shaped connecting plates, and a set of strip-shaped connecting plates are distributed on the side plates of the seedling tray. Three side plate sleeves are evenly distributed on the side plates of the strip-shaped connecting plates, and two sets of seedling trays are distributed at both ends of the upper part of the strip-shaped seedling board.

This invention provides a coating thickness monitoring device for spraying equipment and its usage method, relating to the field of spraying technology. It includes a base, a first monitoring mechanism mounted on the base, a monitoring rod contacting the top of the first monitoring mechanism, and an outer frame on the outer side of the top of the monitoring rod. The outer frame is fixedly connected to the base via a support rod. A coating component placement mechanism is provided inside the outer frame. The bottom of the coating component placement mechanism is fixedly connected to the monitoring rod. The first monitoring mechanism includes a mounting plate, and a first pressure sensor is mounted on the top of the mounting plate. Side limiting components are provided on both sides of the first pressure sensor. This invention, by setting up a first and a second monitoring mechanism, triggers an alarm by using a pressure sensor triggered by pressure. It can automatically trigger an alarm when the coating thickness reaches a certain level, thereby avoiding uneven coating due to uncontrollable coating thickness.

The utility model relates to the technical field of drainage pipe ditches, and provides an automatic earthwork supporting device for drainage pipe ditch excavation, which comprises a supporting box and further comprises two bottom plates which are respectively arranged on the opposite sides of the supporting box, two universal self-locking wheels are symmetrically and fixedly connected to the bottoms of the bottom plates, and the two universal self-locking wheels are arranged on the supporting box. The device comprises a bottom plate, two hollow columns are symmetrically and fixedly connected to the top of the bottom plate, sliding columns are slidably connected to the interiors of the hollow columns, connecting strips are fixedly connected to the tops of the two sliding columns, and two connecting rods are symmetrically and fixedly connected to the opposite sides of the two connecting strips. According to the device, under the cooperation of the universal self-locking wheels and the cooperation of the bottom plate, the hollow column, the sliding column connecting strip, the second electric telescopic rod, the connecting rod, the U-shaped frame, the first round rod and the fixing block, the device can be moved to the position needing to be supported, in this way, the device can be easily moved to the position needing to be supported, and time and labor are saved; and therefore, the use convenience of the device is improved.

The invention provides a substrate connecting device, which comprises a lifting structure, a mounting structure, at least one separation structure and an anti-vibration structure, and is characterized in that the mounting structure comprises a base and a vertical plate; the vertical plate is connected with the base; each separation structure is connected with the base; distances are formed between the separation structures as well as between the separation structures and the vertical plates; the anti-vibration structure is arranged at the top of the vertical plate, and the anti-vibration structure extends to the vertical plate in the horizontal direction, so that the vertical plate and the separation structure can support the anti-vibration structure; the anti-vibration structure, the two adjacent separation structures and the base or the anti-vibration structure, the vertical plate, one separation structure and the base are mutually enclosed to form a moving space; a through hole is formed in the anti-vibration structure, the lifting structure movably penetrates through the through hole, and the lifting structure is movably arranged in the movable space. According to the present invention, the vibration and impact applied to the stage can be reduced, and the horizontal state of the provided process chamber can be maintained even in the vibration and impact applied from the lifting unit.