63results about How to "Displacement stability" patented technology

The invention provides a detection platform of an AOI detection machine, and belongs to the technical field of detection, the detection platform comprises a first roller assembly line, a second roller assembly line arranged on one side of the first roller assembly line, and an assembly table fixedly connected between the first roller assembly line and the second roller assembly line, and the first roller assembly line and the second roller assembly line are both provided with detection units. The detection unit comprises an assembly frame arranged on the side of the first roller assembly line and the side of the second roller assembly line. The problems that in the detection period of the rectangular device, only one face of the rectangular device can be detected generally, after one face is detected, the other face needs to be detected, and face changing detection needs to be conducted manually, so that efficiency is not high enough, and complexity is too high are solved.

The utility model relates to the field of a windshield structure of a track model, and discloses a sealed connection type simulation windshield of a track model, which comprises a fixed frame door, a connecting frame and an elastic sheet which are arranged at the end part of a carriage or the end part of a locomotive reconnection, and the connecting frame is positioned on one side of the fixed frame door facing the outside; a connecting buckle is arranged on the side, facing the fixed frame door, of the connecting frame, a hook claw is arranged at the tail end of the connecting buckle, the hook claw penetrates through an avoiding notch formed in the fixed frame door and then hooks the fixed frame door, the connecting buckle is limited by the avoiding notch to move in the vertical direction, and the connecting buckle can deflect in the horizontal direction. The elastic piece is located on the side, facing the interior of the compartment or the locomotive reconnection unit, of the fixed frame door, at the beginning, the hook claw hooks the fixed frame door, the elastic piece makes contact with the hook claw, the windshield is arranged on the side, facing the outside, of the connecting frame, the windshields on the two adjacent compartment or locomotive reconnection units make contact with each other, close contact is still kept during turning, and no gap is generated. And the simulation degree is higher.

The utility model relates to a pipeline compensator for heat compensation of a heat supply pipeline, which aims to solve the technical problem that the service life of the current metal corrugated compensator is shortened due to the fact that the current metal corrugated compensator is prone to overfatigue. The matching structure comprises a first sleeve and a second sleeve, the first sleeve is arranged at a port of the metal corrugated compensator, a displacement cavity is formed in the first sleeve, the second sleeve is arranged in the displacement cavity in a sliding mode, and the end, opposite to the metal corrugated compensator, of the second sleeve extends to the outer side of the first sleeve. A third sleeve is arranged at a port, facing the metal ripple compensator, of the displacement cavity, and one end, back to the metal ripple compensator, of the third sleeve extends into the second sleeve, so that the situation that the service life of the metal ripple compensator is shortened due to the fact that thermal compensation of the metal ripple compensator exceeds a limit value and overfatigue occurs can be avoided.

The utility model discloses a water level measuring device for a water conservancy project, which comprises a bottom plate seat, one end of the bottom plate seat is vertically connected with a panel, the panel is vertically provided with a kidney-shaped hole in a penetrating manner, a guide strip is arranged in the kidney-shaped hole in a sliding manner, the guide strip is integrally connected with a sliding block, the sliding block is arranged in a sliding groove, the sliding groove is arranged in a box body, and the box body is arranged on the back surface of the panel. The lower portion of the outer end of the guide strip is connected with an end sleeve, the lower end of the end sleeve is connected with a hollow pipe, and the lower end of the hollow pipe is connected with a floating ball. The water level indicator is simple in structure, reasonable in design and novel and unique in thought, the floating ball floats on the water surface, the hollow pipe is pushed to move upwards by utilizing water level rising and combining buoyancy of the floating ball on the water surface, the guide strip moves in the sliding groove, the pointers on the two sides of the guide strip can move on the scale marks, and the water level height condition is indicated.

The utility model discloses a kind of amorphous strip continuous production equipment, belong to amorphous strip continuous production field;Including workbench, the top of the workbench is provided with two pairs of rectangular groove one, the rectangular groove one is connected with sliding wheel inside, the two sides of the sliding wheel are provided with sliding plate, the top of the sliding plate is fixedly connected with pedestal, the top of the pedestal is provided with fixed frame, the middle of the fixed frame is provided with furnace, the two sides of the furnace are fixedly connected with fixed shaft, the fixed shaft extends to the outside of fixed frame, by being set two pairs of rectangular groove one in workbench top and connecting sliding wheel, make furnace produce rotation or displacement tendency, pedestal moves horizontally along rectangular groove one by means of sliding wheel, realize the position adjustment of furnace system, the sliding plate of the two sides of sliding wheel is fixedly connected with pedestal, reduce the moving resistance of pedestal, the fixed shaft of the two sides of furnace extends to fixed frame outside, motor drives rotating shaft through belt drive fixed shaft, drive furnace to rotate or incline, melt metal is poured conveniently.

The utility model discloses a simple device for preventing water from falling off from a chain type machine, which comprises a roller conveyor, a groove box is arranged below rollers of the roller conveyor, a water falling groove is arranged between two adjacent rollers on the roller conveyor, and the port of the water falling groove is lower than the top edge of the rollers on the roller conveyor; the roller conveyor is simple in structure, reasonable in design and novel and unique in idea, water drops falling from a battery piece can be collected by adding the water falling groove in the roller conveyor, the situation that the conductivity of an acid solution is reduced due to the fact that the water drops fall into the acid solution in the groove box is prevented, the etching effect is guaranteed, and meanwhile acid consumption is reduced.

The utility model discloses a kind of friction pendulum supports, including bottom mounting plate, the top surface of the bottom mounting plate is fixedly provided with lower seat plate, the upper spherical surface of middle seat plate is sliding surface, install sliding plate wear plate after cooperation with the mirror surface stainless steel plate of upper seat plate, it is ensured that support is smooth in horizontal direction on sliding.The sliding design can effectively release the displacement of structure in horizontal direction, reduce the damage of earthquake and other dynamic effect to structure.By setting anti-falling beam boss in the upper and lower spherical surface center position of middle seat plate, and setting anti-falling beam boss avoidance area groove and anti-falling beam boss avoidance area and groove side wall in the corresponding position of upper seat plate and lower seat plate, a set of reliable anti-falling beam protection device is formed.When earthquake reaches or exceeds maximum design displacement, anti-falling beam boss and groove side wall contact, effectively limit the relative displacement of upper seat plate and lower seat plate, prevent bridge structure from falling off, greatly improve the safety of building and bridge under extreme conditions such as earthquake.

The utility model relates to the technical field of milling cutter design, in particular to a novel milling cutter with an extendable cutter handle, which overcomes the defects of milling cutter design in the prior art and comprises a milling cutter head, the surface of the milling cutter head is slidably connected with the cutter handle, the surface of the cutter handle is fixedly connected with a cutter body, and the cutter body is fixed by a machine tool. A threaded cylinder is fixedly connected to the interior of the cutter body in a penetrating mode, a threaded rod is connected to the interior of the threaded cylinder in a threaded mode, an ejector rod is fixedly connected to one end of the threaded rod, an ejector block is fixedly connected to the inner wall of the cutter body, a second rack plate is fixedly connected to one end of the milling cutter head, and the second rack plate is slidably connected with the ejector block; one side of the cutter handle is fixedly connected with a pair of second fixing plates, the interiors of the second fixing plates are rotationally connected with rotating rods, and the surfaces of the rotating rods are fixedly connected with gears.

The utility model provides an efficient melting device for a lead-free glass shell, which relates to the technical field of lead-free glass shell melting, and comprises a melting furnace, the top of the melting furnace is fixedly connected with a feed pipe, the upper part of the inner cavity of the feed pipe is connected with a sealing cover through threads, the top of the melting furnace is fixedly connected with a pressure release valve, and the pressure release valve is connected with a pressure release valve. A reciprocating lead screw and a long rod are arranged in an inner cavity of the melting furnace, and the top of the reciprocating lead screw penetrates through the top of the inner cavity of the melting furnace through a shaft sleeve to be fixedly connected with a first belt wheel. According to the utility model, the turbulent flow wave plate in the circular ring scraper moves up and down in the melting furnace and is complementary with the rotating movement of the stirring block, so that the stirring effect is further enhanced, the temperature stratification and bubbles in the molten liquid are broken, the melting efficiency and uniformity are improved, and only one driving source motor is used; and in the efficient melting process, energy is saved, and the energy consumption of the device is reduced.

The invention discloses a self-adaptive and self-moving pipe trench optical cable laying device, and belongs to the technical field of mechanical engineering, and the pipe trench optical cable laying device based on a soft self-growing robot comprises a box body, an air compressor is installed in the box body, and a three-way pipe is installed at the output end of the air compressor; a gas guide pipe is installed at one end of the three-way pipe, a main body is installed at the position, close to the connecting retaining ring, in the gas guide pipe, a clamping and fixing mechanism and a plurality of moving mechanisms are arranged on the outer wall of the main body, and a fixing ring corresponding to the connecting retaining ring is fixedly connected to one side of the main body. By designing the clamping and fixing mechanism, the distance between the first fixing wheel and the second fixing wheel is adjusted by continuously rotating the rotating wheel, so that the device can clamp different types of optical cables for laying, the main body can move when facing gas conduits with different diameters and paths through the moving mechanism, and the laying efficiency is effectively improved.

The utility model discloses a kind of paper core barrel automatic feeding devices, it is related to paper core barrel processing auxiliary equipment technical field, including rack, one end of the rack is fixedly installed with clamping mechanism, the inside of the rack is fixedly installed guide frame, the inside sliding connection of the guide frame has conveying frame, the top of the guide frame and the top of conveying frame are all provided with recess, the clamping mechanism includes support plate, servo motor, transmission rod and positioning frame, the utility model is driven with the two clamping blocks of rotation connection by the telescopic second electric cylinder, guide frame is fixed in the inside of rack, its top recess and conveying frame top recess cooperate, conveying frame slides in the inside of guide frame to convey paper core barrel, clamping mechanism is located in material taking position, while ensuring that clamping action is stable and reliable, ensure that paper core barrel is stably conveyed.

The utility model provides a diaphragm spring strong pressure load test system relates to a load test system, including the upper die group of installation on the upper crossbeam and the lower die group of installation on the lower crossbeam, diaphragm spring is positioned on the lower die group, and is driven with the lower die group by the hydraulic cylinder and lifts, the upper die group includes the load fixed plate, upper die connecting plate and upper die from top to bottom in proper order distribution, the load fixed plate is fixed on the upper crossbeam, it is connected with the upper die connecting plate between many groups of load sensors which are evenly distributed along the circumference, and the upper die is installed on the upper die connecting plate, and with the lower die on the lower die group for positioning diaphragm spring lower die corresponds, the utility model discloses a plurality of load sensors, namely multichannel load acquisition channel, a plurality of load sensors evenly distribute along the circumference to adapt to the strong pressure test of large diameter diaphragm spring, solve the problem that load sensor gathers diaphragm spring one week load uneven, make diaphragm load test data can be more accurate.

The utility model discloses a kind of ladder frames for comprehensive wiring, it is related to wiring technical field, including support column, two support plates are fixedly connected in support column side wall, second threaded rod is inserted in support plate surface, side plate is fixedly connected in second threaded rod top, first threaded rod is fixedly connected in side plate top, main body is fixedly connected between two side plates, dustproof assembly is mounted in the both sides of main body top, the utility model ensures that line arrangement is neat by positioning sleeve, prevents winding misplacement;First threaded rod cooperates with first nut, realizes the accurate fixing of mounting frame, avoids loosening in use process, dustproof plate moves steadily under the second spring elastic force, can effectively shield line, prevent dust pollution, prolong the service life of line, the cooperation of sliding slot and guide block, further ensure the steady, accurate displacement of dustproof plate, reduce moving resistance, improve the working efficiency and sealing performance of overall device.

The utility model relates to the technical field of plastic valves, and discloses a plastic valve injection molding machine convenient to clean, which comprises a machine body, a table body is arranged on the outer wall of the machine body, a waste bin is arranged on the outer wall of the table body, and an anti-adhesion component is arranged on the outer wall of the table body. A small amount of unscraped plastic residues attached to the inner wall of the machine body can be secondarily removed by the scraping plate, so that the plastic residues can be scraped and fall off, part of the plastic residues are attached to the outer wall of the scraping plate to be solidified, and at the moment, the limited threaded sliding block can drive the fixing plate and the scraping ring to move in a reciprocating mode; the scraping ring is arranged on the outer wall of the scraping plate, so that the scraping ring can secondarily scrape plastic scraps gradually solidified on the outer wall of the scraping plate, the scraping ring can be rubbed by the arc-shaped block during reciprocating displacement, the plastic scraps can be better shaken off through vibration, and finally, when the hydraulic rod contracts to drive the circular plate to move, the scraping ring is driven by the arc-shaped block to move. And the solidified plastic scraps can be better collected in the waste bin.

This utility model relates to the field of packaging machine technology and discloses a bundled fabric packaging machine, including a packaging component. In daily use, the packaging component and the conveyor component can be activated to bundle and package the fabric on the conveyor belt. After packaging, the fabric will continue to move and be fed along with the conveyor belt. At the same time as packaging, motor one and motor two can be activated. While the rotating rod rotates, motor two drives the reciprocating screw to rotate, causing the limited slider to move the brush teeth on the connecting plate. This allows the brush teeth to remove debris or fibers adhering to the cleaning bristles during the movement, making it easier for the cleaning bristles to clean effectively in subsequent use. At the same time as the brush teeth move, the flexible scraper moves back and forth, allowing the flexible scraper to perform a secondary cleaning after cleaning the bristles, keeping the surface of the conveyor belt cleaner and facilitating the transportation of the packaged fabric.

The utility model discloses a wood cutting device for wooden furniture processing, including support frame, the support frame top installation platform, and the platform is staggered and is set to the notched, and the saw blade is rotationally arranged in the notched, and the saw blade is connected to the drive shaft of motor, and the platform includes the mainboard, and the mainboard both sides slip setting vice board, and the left and right sides of mainboard all are provided with the notched, and two notchedes are close to the front end and rear end of mainboard respectively, and the lower surface symmetry of vice board connects the sliding block, and the sliding block is matched and is set on the guide rail, and the guide is installed on the support frame top, and the lower surface of vice board is close to the side link seat of mainboard, and the rod body end portion of electric push rod is connected on the link seat, and the electric push rod is connected to the lower surface of mainboard, have simple structure, reasonable in design, novel and unique thought, through electric push rod and promote vice board displacement on the support plate, and vice board is supported on the support frame through the sliding block cooperation guide rail, and vice board supports firm, and displacement is smooth, and the length of platform is adjusted in this way, so as to support and place wood, and the sawing position of wood is adjusted through the length of platform.

The invention provides a horizontal compressor which comprises a compressor shell, a compressor body arranged in the compressor shell and an exhaust pipe arranged at the top of the shell, the exhaust pipe is provided with a vertical section, a bent pipe section and a horizontal section, the vertical section penetrates through the shell, and a collecting device is arranged at the joint of the bent pipe section and the vertical section; the collecting device comprises a flow guide pipe, a collecting shell, a collecting cavity and an oil discharge pipe; the higher end of the flow guide pipe is communicated with the bent pipe section of the exhaust pipe, the lower end of the flow guide pipe penetrates into the collecting shell, a collecting cavity is movably installed in the collecting shell and located under the lower end of the flow guide pipe, an oil discharging pipe is installed at the bottom of the collecting cavity, and the lower end of the oil discharging pipe directly faces a liquid discharging opening formed in the bottom face of the collecting shell. The liquid outlet is communicated with the compressor shell through a liquid outlet pipe, the liquid outlet is elastically closed by arranging an elastic sealing piece, and an elastic opening is formed in the elastic sealing piece. The oil hanging condition of the exhaust pipe can be improved, reduction of the gas displacement is avoided, and meanwhile the oil content of exhausted gas is reduced.

The utility model relates to the field of cooking fume monitoring equipment, and discloses an alarm for cooking fume monitoring. A supporting shell is welded to the outer surface of the smoke suction pipeline, a first motor is fixedly connected to the inner surface of the supporting shell, a driving wheel is fixedly connected to the outer surface of the output end of the first motor, a transmission belt is movably connected to the outer surface of the driving wheel, a driven wheel is movably connected to the outer surface of the transmission belt, and a lifting rod is fixedly connected to the lower surface of the driven wheel. A supporting frame is movably connected to the outer surface of the lifting rod, a cleaning body is fixedly connected to the inner surface of the supporting frame, the side, close to the oil smoke sensor, of the cleaning body is obliquely arranged, and normal monitoring is carried out above the oil smoke sensor; flue accelerated flowing and concentration monitoring are completed, flue oil smoke monitoring in all states is guaranteed, meanwhile, the cleaning body provides a position for cleaning of the oil smoke sensor, and the good working state of the oil smoke sensor can be kept.

This disclosure provides a hinged support connection structure for a marine photovoltaic (PV) pile foundation. The structure includes a pile foundation, a connecting component, and a PV grid. The pile foundation has a first end and a second end, both facing opposite directions. The first end is fixed in the sea, and the second end extends above the sea surface, forming a receiving space. Multiple inner ribs are provided on the inner wall of the receiving space. The connecting component includes a hinged support, an upper flange, and a lower flange. The hinged support consists of an upper support and a lower support hinged together. The lower support is welded to the top of the upper flange, and the upper flange is connected to the lower flange, which is also connected to the pile foundation. A socket-type connector is provided on the upper flange, and a insertion hole is provided on the lower flange. The second end of the pile foundation has a receiving space, and the socket-type connector extends into the receiving space through the insertion hole. Multiple inner ribs are staggered with the socket-type connector within the receiving space. The PV grid is mounted on the upper support, improving the stability of the connection structure.

The utility model relates to the technical field of fixture, and disclose a kind of positioning fixture for multi-station cold header, including workbench, the inside of workbench is provided with sliding slot, the inside movable mounting of sliding slot has sleeve block, the inside thread sleeve of sleeve block is connected with bidirectional screw rod, and the both ends of bidirectional screw rod are through the inside of workbench, and the top fixed mounting of sleeve block has fixed frame.The utility model compared with traditional positioning fixture, the positioning fixture, first motor drive gear transmission, drive bidirectional screw rod rotation, utilize its two ends opposite thread, let two sleeve blocks synchronous symmetrical movement, can rapidly and accurately adjust the spacing between clamping plate, greatly shorten the reloading time of different specifications bolt raw material, significantly improve production efficiency, run smoothly and reliably, sliding slot provides linear guidance for sleeve block;Through the above technical scheme, the technical problem of unstable clamping of bolt raw material in the prior art is solved.

The spherical support comprises an upper support, a lower support and a spherical crown arranged in the top of the lower support, a plane friction pair is connected between the top of the spherical crown and the bottom of the upper support, and a curved surface friction pair is connected between the spherical crown and the lower support. The plane friction pair comprises an oval plane sliding plate fixed to the bottom of the upper support and a round plane on the top of the spherical crown. The oval plane sliding plate can move on the round plane in the long-axis or short-axis direction of the oval plane sliding plate. Limiting stop blocks are arranged on the two sides, in the short axis direction of the oval plane sliding plate, of the bottom of the upper support. According to the method, the problem of welding a plane stainless steel plate is solved, the troubles of unstable welding quality, easy generation of welding defects and the like caused by a welding process are avoided, meanwhile, the corresponding welding cost and time cost are reduced, and the manufacturing and mounting processes of the support are simpler, more convenient and more efficient.

The utility model discloses a glass fiber reinforced plastic pipeline connecting piece which comprises a first glass fiber reinforced plastic pipe, a second glass fiber reinforced plastic pipe and two glass fiber reinforced plastic flanges, the outer wall of a fixing cylinder is in threaded connection with a sealing hollow cylinder, a blocking plate is fixedly assembled at the end of the inner wall of the sealing hollow cylinder, and the inner wall of the blocking plate is fixedly communicated with a supporting cylinder. The supporting cylinder is connected to the outer wall of the first glass steel pipe in a sleeving mode, sealant is filled between the supporting cylinder and the first glass steel pipe, the two glass steel pipes are connected through the glass steel flange, the connection stability is guaranteed, the sleeve and the fixing cylinder are used in cooperation, it can be guaranteed that one end of the second glass steel pipe is sealed, and meanwhile the sealing hollow cylinder is used in a matched mode. The sealing performance of the joint of the glass fiber reinforced plastic flanges can be guaranteed, the sealing hollow cylinder can stably move on the outer wall of the first glass fiber reinforced plastic pipe through cooperation of the blocking plate and the supporting cylinder, meanwhile, the better sealing effect can be guaranteed through the effect of the sealant, and the sealing structure is convenient to use and high in practicability.

The utility model discloses a rice flour steaming piece machine steam alarm device, including steam box body and a plurality of steaming powder piece box and the steam alarm body of fixed installation at the bottom of steaming powder piece box. The utility model discloses, under the interaction of steam box body, steaming powder piece box, steam alarm body, steaming piece mechanism, steam mechanism and sealing mechanism, through steam alarm body real -time monitoring the steam temperature, pressure etc. parameter in the steaming process, can be in abnormal time fast alarm and linkage shutdown, promote the steaming security and stability, servo motor drive pivot cooperation alloy bifurcation line flexible traction steaming powder piece box, utilize the tensile resistance and buffer effect of bifurcation line and realize smooth displacement, reduce the raw materials spatter and equipment wear and tear caused by rigid collision, and the design of multiple steaming piece groove and grouting mouth can handle multiple raw materials synchronously, and balanced load and promote production efficiency, and sealing mechanism reduces the heat loss, and the discharge hopper and control valve realize controllable unloading, and the whole optimization rice flour steaming quality and automation level.

The invention relates to a straightening device for welded pipe machining, comprising a straightening plate, a plurality of straightening holes are equidistantly formed in the straightening plate, the diameters of the straightening holes are different, and the diameters of the straightening holes are gradually increased in sequence from front to back; a plurality of positioning holes are formed in the positioning plate at equal intervals, the diameters of the positioning holes are different, the diameters of the positioning holes are sequentially increased from front to back, and the positioning holes with the same diameter and the straightening holes with the same diameter are oppositely formed in the left-right direction. According to the overall structure, a first electric telescopic rod is started to drive a corresponding extrusion block to move outwards, so that the end of a straightening pipe inserted into a positioning hole is extruded and positioned, then a lead screw is started to drive a positioning plate to move rightwards, the straightening pipe can be pulled to move rightwards, and under the action of the straightening hole, the end of the straightening pipe can be accurately positioned. And the straightening pipe can be straightened until the left end of the straightening pipe completely moves to the right end of the straightening hole, namely the straightening pipe passes through the straightening hole.

The utility model discloses a transmission structure of gantry numerical control machining center, including frame, dustproof mechanism and lubricating mechanism, the upper end front side fixed connection of frame has the fixed frame, and the left and right ends of fixed frame are rotatably connected with the ball screw, and the front side of frame is fixedly connected with the guide rail no.

A novel thin keyboard switch comprises a base (10), a spring (20), a pressing handle (30), a contact piece (40), a terminal (50) and an upper cover (60), the upper cover (60) extends towards the base (10) to form a guide boss (11), the pressing handle (30) is in sliding connection with the guide boss (11), the inner wall surface of the guide boss (11) is provided with a plurality of first round convex ribs (111) which are arranged along the vertical direction, and the first round convex ribs (111) are arranged on the inner wall surface of the guide boss (11). And the first round convex ribs (111) are mutually contacted with the outer wall surface of the pressing handle (30). The inner wall surface of the guide boss is provided with a plurality of first round convex ribs which are arranged along the vertical direction and mutually contacted with the outer wall surface of the pressing handle, and the first round convex ribs can limit the pressing handle and prevent the pressing handle from shaking, and can also ensure smooth displacement of the pressing handle.

The invention relates to the related technical field of electrical connection, in particular to a crimping die and method for connection of a wire harness and a contact, and the crimping die comprises a workbench, the surface of the workbench is provided with a replacement mechanism, the upper surface of the workbench is provided with a clamping mechanism, and the lower surface of the workbench is provided with a clamping mechanism. According to the crimping die and method for connecting the wire harness and the contact, through the arrangement of the replacement mechanism, the clamping mechanism and the crimping mechanism, the replacement mechanism realizes rapid, convenient and stable installation and positioning of the die in a normal state, so that the die replacement operation is simple and efficient, the installation requirements of dies of different specifications can be met, and the production efficiency is improved. The clamping mechanism can meet the clamping requirements of wire harnesses and copper bushes with different specifications, materials and machining process requirements, the universality and adaptability of the equipment are improved, the crimping mechanism is easy to operate and high in automation degree, the production efficiency can be improved, and the production cost can be reduced.

The invention relates to a suspension system supporting frame and chassis assembling method, and the suspension system supporting frame and chassis assembling method comprises a support body which is used for bearing a suspension system; the supporting and positioning structure is arranged on the bracket body, is matched with an auxiliary frame of the suspension system and is used for positioning and supporting the auxiliary frame; the floating supporting structure is arranged on the support body and used for supporting a lower swing arm of the suspension system; when the upper end of a suspension spring of the suspension system is in a free state, the lower swing arm is in a balanced state under the support of the floating support structure; after the suspension spring is subjected to downward external force, the floating supporting structure swings downwards along with the lower swing arm, so that the jacking force needed by the jacking mechanism in the assembling process is reduced, and meanwhile the contact position of the suspension spring and a chassis is conveniently adjusted.

The utility model relates to the field of building engineering vibration technology discloses a prefabricated part is with vibration quilting frame machine equipment, including mobile structure, transmission structure, lifting structure and mounting structure, the mounting structure includes mounting bracket, second screw rod, hand shake regulator and threaded plate, the mounting bracket fixed mounting is in the sliding block, the hand shake regulator passes through second screw rod installation threaded plate, the bottom fixed mounting of threaded plate has the placement pipe, the top of inside the placement pipe is equipped with damping spring, the bottom of placement pipe is provided with the clamping plate, the lateral wall fixed mounting of placement pipe is equipped with the fixed frame, the sliding setting bolt is in the fixed frame, the lateral wall of mounting bracket is provided with and the limiting hole of bolt adaptation. The utility model through the setting mounting structure, realizes vibration rod quick steady installation, and the multidimensional movement structure that crossbeam, the hanging board and sliding block constitute, can make vibration rod all -round coverage material in the mould, and the operation is convenient and efficient.

The utility model belongs to the technical field of transfer carts, and particularly relates to a chemical storage tank transfer cart with a positioning structure, which comprises a discharging plate, a U-shaped frame is mounted at the top of the discharging plate, a plurality of support rods are mounted on the inner wall of the U-shaped frame, arc-shaped rods are arranged at the top of the discharging plate and are symmetrical to the U-shaped frame, and the positioning structure is arranged on the arc-shaped rods. A clamping piece is installed at the arc-shaped rod and used for clamping a workpiece, and a supporting part is arranged at the top of the discharging plate. Through the elastic adjustment of the supporting part and the accurate positioning of the clamping piece, the trolley can be adapted to chemical storage tanks with different heights and diameters. Through combination of the second supporting rods and the spring barrels, the positions of the arc-shaped rods can be dynamically adjusted according to the height of the storage tank, transportation vibration can be buffered, and damage to the storage tank or equipment caused by rigid impact is avoided; through the synergistic effect of the lead screw and the guide rod, clamping force of the clamping piece is evenly distributed and free of deflection, and it is guaranteed that the storage tank is stable and free of displacement under the complex road condition.