Winch load experiment device and method based on rocker arm derrick centralized control system

Abstract

The invention discloses a winch load experiment device and method based on a rocker arm derrick centralized control system, the winch load experiment device comprises a first base, a second base, a winch set, a mounting mechanism, a load assembly and a first buffer mechanism, the winch set is arranged at the top end of the first base, and the mounting mechanism is arranged between the winch set and the first base; the load assembly is arranged at the top end of the second base, and the first buffering mechanism is arranged in the second base and used for relieving the falling impact force of the load assembly. By means of the arrangement of the first buffering mechanism, when the load limit is exceeded, falling impact force can be buffered through the first buffering mechanism when the load assembly falls, and therefore the situation that large impact force is borne between the second base and the load assembly is avoided; triple buffering protection can be carried out when the material box falls, the working stability of the experimental device is improved, and meanwhile the service life of the experimental device is prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of winches, and in particular to a winch load test device and method based on a rocker arm holding rod centralized control system. Background Art

[0002] The rocker arm boom centralized control system is a device used to control and operate the rocker arm boom. The winch is an indispensable equipment in it. The winch drives the boom and boom boom’s luffing and lifting operations by controlling the retraction and release of the wire rope.

[0003] In order to ensure that the winch works stably in the rocker arm bracket control system, it is necessary to carry out a load test on the winch. For example, in the patent with application number 202210256705.4 and name “Winch load test device for winch production and its experimental method”, the load test can be carried out by connecting the wire rope of the winch to the material box filled with water, and then the winch works to lift the material box.

[0004] Although the device in the above patent can conduct load tests quickly and concisely, after the winch reaches the load limit, the wire rope breaks, causing the material box to fall directly and quickly. The above device does not handle the rapidly falling material box, so the material box will directly hit the base, causing the device to be easily damaged, reducing the stability of the experimental device and shortening the service life of the experimental device. Summary of the invention

[0005] The object of the present invention is to provide a winch load test device and method based on a rocker arm holding rod centralized control system to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a winch load test device based on a rocker arm centralized control system, comprising: First base; Second base; A hoisting unit, wherein the hoisting unit is arranged at the top of the first base; A mounting mechanism, wherein the mounting mechanism is arranged between the hoisting unit and the first base; A load assembly, the load assembly being disposed on a top end of the second base; The first buffer mechanism is arranged inside the second base, and is used to mitigate the impact force of the load component falling.

[0007] Preferably, the hoisting unit comprises: A frame, wherein the mounting mechanism is disposed between the frame and the first base; The machine body is fixedly connected to the top of the frame.

[0008] Preferably, the mounting mechanism comprises: An embedding groove, wherein the embedding groove is provided at the top of the first base, and the outer wall of the frame is movably interlaced with the inner wall of the embedding groove; The insert block has a first movable cavity formed inside the first base, a movable groove formed between the first movable cavity and the embedding groove, and an outer wall of the insert block is slidably connected to an inner wall of the movable groove; A moving block, wherein the moving block is slidably disposed on the inner wall of the first movable cavity; A fixing rod, the fixing rod is fixedly connected to the inner wall of the first movable cavity, a connecting hole is opened on one side of the insert block, and the outer wall of the fixing rod is movably connected with the inner wall of the connecting hole; A fixed plate, wherein the inner wall of the connecting hole is provided with a connecting cavity, the outer wall of the fixed plate is slidably connected to the inner wall of the connecting cavity, and one end of the fixing rod is fixedly connected to one side of the fixed plate; A first spring, wherein the first spring is arranged on one side of the fixing plate, and the first spring is sleeved on the outer wall of the fixing rod; The reinforcement mechanism is arranged at the top of the moving block.

[0009] Preferably, the reinforcement mechanism comprises: An insert rod, a movable hole is formed at the bottom end of the inner wall of the embedding groove, the interior of the movable hole is connected with the interior of the first movable cavity, and the outer wall of the insert rod is movably connected with the inner wall of the movable hole; An inclined plane, wherein the inclined plane is provided at the top end of the moving block; A second spring, an annular groove is formed on the inner wall of the movable hole, a fixing ring is slidably connected to the inner wall of the annular groove, the fixing ring is fixedly sleeved on the outer wall of the insertion rod, the second spring is arranged on the top of the fixing ring, and the second spring is sleeved on the outer wall of the insertion rod; A roller, a rotation groove is formed at the bottom end of the insertion rod, and the roller is rotatably connected to the inner wall of the rotation groove; A synchronization mechanism is arranged inside the first movable cavity and is used for the two moving blocks to move synchronously.

[0010] Preferably, the synchronization mechanism comprises: A rotating disk, the rotating disk is rotatably connected to the inner wall of the first active cavity; A connecting rod, one end of which is rotatably connected to the side of the top of the turntable, and the other end of which is rotatably connected to the top of the moving block; A servo motor, wherein a mounting cavity is provided inside the first base, the servo motor is mounted inside the mounting cavity, and an output end of the servo motor is drivingly connected to the bottom end of the turntable.

[0011] Preferably, the load assembly comprises: A material box, the material box is arranged on the top of the second base; A fixing frame, the fixing frame being fixedly connected to the top of the second base; Rope passing roller, the top of the fixed frame is provided with a slot, the inner wall of the slot is symmetrically fixedly connected with a vertical plate, and the rope passing roller is rotatably connected between the two vertical plates; A connecting ring, the top of the material box is fixedly connected with a connecting column, and the connecting ring is arranged at the top of the connecting column; An I-shaped block, wherein the I-shaped block is fixedly connected to a material box, guide grooves are provided on both sides of the fixed frame, and the I-shaped block is slidably arranged on the inner wall of the guide groove; The rotating wheel has a rotating cavity formed on the inner wall of the I-shaped block, the rotating wheel is rotatably connected to the inner wall of the rotating cavity, and the outer wall of the rotating wheel is fitted with the outer wall of the guide groove.

[0012] Preferably, the first buffer mechanism comprises: A movable plate, wherein a second movable cavity is provided inside the second base, and an outer wall of the movable plate is slidably connected with an inner wall of the second movable cavity; A top block, wherein the bottom end of the top block is fixedly connected to the top end of the movable plate, a top groove is provided at the top end of the second base, and an outer wall of the top block is movably interlaced with an inner wall of the top groove; A third spring, the bottom end of the inner wall of the second movable cavity is fixedly connected with a boss, the bottom ends of the movable plate and the top block are provided with a bottom hole, the boss is inserted through the inner wall of the bottom hole, and the third spring is arranged between the top end of the boss and the inner wall of the bottom hole; The second buffer mechanism is arranged below the movable plate.

[0013] Preferably, the second buffer mechanism comprises: A top plate, a clamping hole is provided at the bottom end of the inner wall of the second active cavity, and the top plate is inserted into the inner wall of the clamping hole; A connecting rod, the top end of which is fixedly connected to the bottom end of the top plate, the inner wall of the clamping hole is provided with a connecting hole, and the outer wall of the connecting rod is movably connected with the inner wall of the connecting hole; A fourth spring, wherein an air-filling cavity is provided on the inner wall of the communicating hole, a stop plate is slidably connected to the inner wall of the air-filling cavity, a top end of the stop plate is fixedly connected to the bottom end of the connecting rod, and the fourth spring is arranged below the stop plate; A piston plate, the piston plate being slidably connected to the inner wall of the inflation chamber, and the piston plate being arranged below the fourth spring; The pressurizing mechanism is arranged below the piston plate.

[0014] Preferably, the pressurizing mechanism comprises: An air pump, wherein an air inlet pipe is provided at the output end of the air pump, and the air inlet pipe is fixedly inserted and connected to the inside of the second base; A connecting pipe is fixedly inserted and connected to the outer wall of the air inlet pipe, and the interior of the connecting pipe is connected to the interior of the inflation cavity.

[0015] The present invention also provides a winch load test method based on a rocker arm holding rod centralized control system, comprising the following steps: Step 1: embed the hoisting unit to be tested into the embedded groove, and then the servo motor drives the turntable to rotate counterclockwise. Through the connection of the connecting rod, the turntable rotates counterclockwise to drive the two moving blocks to move toward each other. The moving block moves so that the inclined surface squeezes the roller, so that the insertion rod rises, so that the insertion rod is inserted out of the movable hole and inserted into the mounting hole at the bottom of the frame. The moving block continues to move so that the moving block squeezes the insertion block, so that the insertion block can be moved out of the movable groove and inserted into the outer wall of the frame, thereby completing the horizontal and vertical positioning of the frame in the embedded groove; Step 2: Pull out the wire rope in the machine body and pass it through the top of the rope roller to connect it to the connecting ring, then add the required amount of water into the material box. At this time, the machine body is working, the released wire rope is gradually wound up, and the wound wire rope makes the material box be lifted at the same time, and the load test of the machine body is carried out; Step three: After the material box is lifted by the machine body, the top block moves upward under the elastic action of the third spring, and the movement of the top block drives the movable plate to move until the movable plate contacts the top of the inner wall of the second movable chamber, so that the first buffer mechanism starts to work, and then the air pump works to continuously inflate the air inlet pipe, and then the gas enters the inflation chamber through the connection of the connecting pipe, squeezing the top of the piston plate, so that the piston plate rises, and the rising of the piston plate drives the fourth spring to rise and compress the fourth spring, and the rising of the fourth spring drives the rising of the resist plate, and the rising of the resist plate drives the rising of the connecting rod, and the rising of the connecting rod drives the top plate to rise, so that the second buffer mechanism starts to work.

[0016] Technical effects and advantages of the present invention: (1) The present invention utilizes the setting of the first buffer mechanism. When the load limit is exceeded, the impact force of the fall can be buffered by the first buffer mechanism when the load assembly falls, thereby preventing the second base and the load assembly from being subjected to a large impact force. At the same time, through the cooperation of the second buffer mechanism and the pressurizing mechanism, the material box can be provided with triple buffer protection when it falls, thereby improving the working stability of the experimental device and extending the service life of the experimental device; (2) The present invention utilizes the setting of the installation mechanism and the reinforcement mechanism. By moving the moving block, the insert block can be inserted into the groove on the outer wall of the frame to perform longitudinal positioning of the frame in the embedded groove. At the same time, the moving block can also be moved to insert the insert rod into the hole at the bottom end of the frame to perform transverse positioning of the frame in the embedded groove, thereby avoiding the cumbersome bolt positioning method and improving the stability of the connection between the winch unit and the experimental device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the winch unit of the present invention.

[0019] Figure 3 It is a schematic diagram of the front cross-sectional structure of the first base of the present invention.

[0020] Figure 4 It is a front cross-sectional structural schematic diagram of the plug block of the present invention.

[0021] Figure 5 It is a schematic diagram of the top structure of the turntable of the present invention.

[0022] Figure 6 It is a schematic diagram of the front cross-sectional structure of the top block of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the inflation state in the inflation cavity of the present invention.

[0024] Figure 8 It is a schematic diagram of the three-dimensional structure of the I-shaped block of the present invention.

[0025] In the figure: 101, first base; 102, second base; 103, frame; 104, body; 200, embedded groove; 201, first movable cavity; 202, movable groove; 203, plug block; 204, moving block; 205, fixed rod; 206, connecting hole; 207, connecting cavity; 208, fixed plate; 209, first spring; 210, movable hole; 211, plug rod; 212, inclined surface; 213, annular groove; 214, fixed ring; 215, second spring; 216, turntable; 217, installation cavity; 218, servo motor; 219, connecting rod; 220, rotating groove; 221, roller; 301, material box; 3 02, fixed frame; 303, slot; 304, vertical plate; 305, rope roller; 306, connecting column; 307, connecting ring; 308, guide groove; 309, I-shaped block; 310, rotating chamber; 311, rotating wheel; 401, second movable chamber; 402, movable plate; 403, top block; 404, top groove; 405, boss; 406, bottom hole; 407, third spring; 501, clamping hole; 502, top plate; 503, connecting hole; 504, connecting rod; 506, inflation chamber; 507, abutment plate; 508, piston plate; 509, fourth spring; 510, air pump; 511, air inlet pipe; 512, connecting pipe. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The present invention provides Figure 1-Figure 8 A winch load test device based on a rocker arm control system is shown. Example

[0028] The experimental device comprises a first base 101, a second base 102, a winch unit, a mounting mechanism, a load assembly and a first buffer mechanism. The winch unit is arranged at the top of the first base 101, the mounting mechanism is arranged between the winch unit and the first base 101, the load assembly is arranged at the top of the second base 102, and the first buffer mechanism is arranged inside the second base 102. The first buffer mechanism is used to mitigate the impact force of the load assembly falling. The winch unit is fixed by the mounting mechanism, and then the winch unit is connected to the load assembly to carry out a load test. When the load limit is exceeded, the impact force of the load assembly falling can be buffered by the first buffer mechanism, thereby avoiding a large impact force between the second base 102 and the load assembly, thereby improving the working stability of the experimental device and extending the service life of the experimental device.

[0029] The first buffer mechanism includes a movable plate 402, a top block 403 and a third spring 407. A second movable cavity 401 is provided inside the second base 102. The outer wall of the movable plate 402 is slidably connected to the inner wall of the second movable cavity 401. The bottom end of the top block 403 is fixedly connected to the top of the movable plate 402. The top block 403 is provided with a plurality of top blocks at the top of the movable plate 402. A rubber pad is attached to the top of the top block 403. A top groove 404 is provided at the top of the second base 102. The outer wall of the top block 403 is movably connected to the inner wall of the top groove 404. A boss 405 is fixedly connected to the bottom end of the inner wall of the second movable cavity 401. A bottom hole 406 is provided at the bottom ends of the movable plate 402 and the top block 403. The boss 405 It is interspersed on the inner wall of the bottom hole 406, and the third spring 407 is arranged between the top of the boss 405 and the inner wall of the bottom hole 406. The second buffer mechanism is arranged below the movable plate 402. After the material box 301 is lifted by the machine body 104, the top block 403 moves upward under the elastic action of the third spring 407. The movement of the top block 403 drives the movable plate 402 to move until the movable plate 402 rests against the top of the inner wall of the second movable cavity 401. When the material box 301 falls, it will first contact with multiple top blocks 403, so that the top block 403 moves downward, and the third spring 407 can buffer the falling impact force, thereby avoiding a large hard collision between the material box 301 and the second base 102.

[0030] The second buffer mechanism includes a top plate 502, a connecting rod 504, a fourth spring 509, a piston plate 508 and a pressurizing mechanism. A clamping hole 501 is provided at the bottom end of the inner wall of the second movable chamber 401. The top plate 502 is inserted in the inner wall of the clamping hole 501. The top end of the connecting rod 504 is fixedly connected to the bottom end of the top plate 502. The bottom end of the movable plate 402 and the top end of the top plate 502 are both provided with rubber pads. A connecting hole 503 is provided on the inner wall of the clamping hole 501. The outer wall of the connecting rod 504 is movably inserted and connected to the inner wall of the connecting hole 503. An inflatable cavity 506 is provided on the inner wall of the inflatable cavity 506. The inner wall of the inflatable cavity 506 is slidably connected to the abutment plate 506. 7, the top of the plate 507 is fixedly connected to the bottom of the connecting rod 504, the fourth spring 509 is arranged below the plate 507, the piston plate 508 is slidably connected to the inner wall of the inflation chamber 506, the piston plate 508 is arranged below the fourth spring 509, the pressurizing mechanism is arranged below the piston plate 508, the pressurizing mechanism includes an air pump 510 and a connecting pipe 512, the output end of the air pump 510 is provided with an air inlet pipe 511, the air inlet pipe 511 is fixedly inserted and connected to the inside of the second base 102, the connecting pipe 512 is fixedly inserted and connected to the outer wall of the air inlet pipe 511, the inside of the connecting pipe 512 is connected to the inside of the inflation chamber 506, the air pump 510 works The air inlet pipe 511 is continuously inflated, and then the air enters the interior of the inflation chamber 506 through the connection of the connecting pipe 512, and the top of the piston plate 508 is squeezed, so that the piston plate 508 rises, and the piston plate 508 rises and drives the fourth spring 509 to rise and compress the fourth spring 509, and the fourth spring 509 rises and drives the abutment plate 507 to rise, and the abutment plate 507 rises and drives the connecting rod 504 to rise, and the connecting rod 504 rises and drives the top plate 502 to rise, so that when the material box 301 falls and drives the top block 403 and the movable plate 402 to fall, the movable plate 402 will contact the raised top plate 502 during the descending process, so that the top plate 507 02 moves downward, and then drives the push plate 507 to move downward through the connection of the connecting rod 504. The downward movement of the push plate 507 can buffer the impact force through the fourth spring 509. At the same time, the fourth spring 509 will also generate an impact force on the piston plate 508, causing the piston plate 508 to move downward. At this time, the compressed air under the piston plate 508 will buffer the piston plate 508, so that three buffering protections can be performed during the falling process of the material box 301, further ensuring the stability of the experimental device. The air pump 510 is electrically connected to the external power supply through an external switch, which is convenient for the operator to control the air pump 510, thereby improving the safety and convenience of the operation of the air pump 510. Example

[0031] Compared with the first embodiment, the winch unit includes a frame 103 and a body 104, the mounting mechanism is arranged between the frame 103 and the first base 101, the body 104 is fixedly connected to the top of the frame 103, the outer wall of the frame 103 is provided with a groove, and a mounting hole is provided in the groove. The winch unit is generally installed by inserting bolts into the mounting holes to make it work.

[0032] The mounting mechanism includes a slot 200, an insert block 203, a moving block 204, a fixing rod 205, a fixing plate 208, a first spring 209 and a reinforcement mechanism. The slot 200 is provided at the top of the first base 101. The outer wall of the frame 103 is movably connected with the inner wall of the slot 200. The first base 101 is provided with a first movable cavity 201. A movable groove 202 is provided between the first movable cavity 201 and the slot 200. The outer wall of the insert block 203 is connected with the inner wall of the movable groove 202. The movable block 204 is slidably arranged on the inner wall of the first movable cavity 201, the fixing rod 205 is fixedly connected to the inner wall of the first movable cavity 201, a connecting hole 206 is provided on one side of the insert block 203, the outer wall of the fixing rod 205 is movably connected with the inner wall of the connecting hole 206, a connecting cavity 207 is provided on the inner wall of the connecting hole 206, the outer wall of the fixing plate 208 is slidably connected with the inner wall of the connecting cavity 207, and one end of the fixing rod 205 is fixedly connected with one side of the fixing plate 208 The first spring 209 is arranged on one side of the fixed plate 208, and the first spring 209 is sleeved on the outer wall of the fixed rod 205. The reinforcement mechanism is arranged on the top of the moving block 204. When the winch unit is tested, the frame 103 is directly inserted into the embedded groove 200, and then moved by the moving block 204. The moving block 204 will squeeze the insert block 203 during the movement, so that the insert block 203 is moved out of the movable groove 202 and inserted into the groove of the outer wall of the frame 103, thereby strengthening the frame 103 in the process of The movable block 204 is longitudinally positioned in the embedded groove 200, and a groove adapted to the fixed rod 205 is opened at the top of the movable block 204, so that the fixed rod 205 will not block the movement of the movable block 204, and the movable block 204 can stably move in the first movable cavity 201. At the same time, the first spring 209 is positioned by the fixed disk 208, so that after the movable block 204 moves in the reverse direction, the insert block 203 will automatically move in the reverse direction and retract into the movable groove 202, thereby improving the convenience of the installation mechanism.

[0033] The reinforcing mechanism includes an insert rod 211, an inclined surface 212, a second spring 215, a roller 221 and a synchronization mechanism. A movable hole 210 is provided at the bottom end of the inner wall of the embedded groove 200. The interior of the movable hole 210 is connected to the interior of the first movable cavity 201. The outer wall of the insert rod 211 is movably connected to the inner wall of the movable hole 210. The inclined surface 212 is provided at the top of the movable block 204. An annular groove 213 is provided on the inner wall of the movable hole 210. A fixing ring 214 is slidably connected to the inner wall of the annular groove 213. The fixing ring 214 is fixedly sleeved on the outer wall of the insert rod 211. The second spring 215 is provided at the top end of the fixing ring 214. The second spring 215 is sleeved on the outer wall of the insert rod 211. A rotating groove 220 is provided at the bottom end of the insert rod 211. The roller 221 is rotatably connected to the rotating groove 22 0, a synchronization mechanism is arranged inside the first active cavity 201, and the synchronization mechanism is used for the synchronous movement of the two moving blocks 204. When the moving block 204 moves, the inclined surface 212 squeezes the roller 221, so that the insertion rod 211 rises in the active hole 210, so that the insertion rod 211 is inserted into the hole at the bottom end of the frame 103, so that the frame 103 is laterally positioned in the embedded groove 200, and the outer wall of the insertion block 203 is provided with a groove adapted to the insertion rod 211, so that the insertion block 203 will not be blocked by the insertion rod 211 when inserted into the groove of the outer wall of the frame 103. At the same time, through the setting of the second spring 215, after the moving block 204 moves in the opposite direction, the insertion rod 211 can automatically move down and retract into the active hole 210, thereby improving the convenience of the reinforcement mechanism.

[0034] Among them, the synchronization mechanism includes a turntable 216, a connecting rod 219 and a servo motor 218. The turntable 216 is rotatably connected to the inner wall of the first active cavity 201, and the end of the connecting rod 219 is rotatably connected to the side of the top of the turntable 216. The other end of the connecting rod 219 is rotatably connected to the top of the moving block 204. An installation cavity 217 is opened inside the first base 101, and the servo motor 218 is installed inside the installation cavity 217. The output end of the servo motor 218 is transmission-connected to the bottom end of the turntable 216. The turntable 216 is driven to rotate by the servo motor 218. That is, under the connection of the connecting rod 219, the two moving blocks 204 can be synchronously moved relative to each other or moved away from each other, which further improves the convenience of the installation mechanism and the reinforcement mechanism. The servo motor 218 is electrically connected to the external power supply through an external switch, which is convenient for the operator to control the servo motor 218, thereby improving the safety and convenience of the operation of the servo motor 218. Example

[0035] Compared with the first embodiment, the load assembly includes a material box 301, a fixed frame 302, a rope roller 305, a connecting ring 307, an I-shaped block 309 and a rotating wheel 311. The material box 301 is arranged at the top of the second base 102, the fixed frame 302 is fixedly connected to the top of the second base 102, the top of the fixed frame 302 is provided with a slot 303, the inner wall of the slot 303 is symmetrically fixedly connected with a vertical plate 304, the rope roller 305 is rotatably connected between the two vertical plates 304, the top of the material box 301 is fixedly connected with a connecting column 306, the connecting ring 307 is arranged at the top of the connecting column 306, the I-shaped block 309 is fixedly connected with the material box 301, both sides of the fixed frame 302 are provided with guide grooves 308, the I-shaped block 309 is slidably arranged on the inner wall of the guide groove 308, and the inner wall of the I-shaped block 309 is provided with There is a rotating chamber 310, and a rotating wheel 311 is rotatably connected to the inner wall of the rotating chamber 310. The outer wall of the rotating wheel 311 is fitted with the outer wall of the guide groove 308. The steel wire rope in the machine body 104 is pulled out and passed through the top of the rope roller 305 and connected to the connecting ring 307, and then the required amount of water is added to the inside of the material box 301. At this time, the machine body 104 is working, and the released steel wire rope is gradually wound up. At the same time, the wound steel wire rope makes the material box 301 be lifted, and the load test of the machine body 104 is carried out. A water inlet pipe is arranged at the top of the material box 301, and a baffle cover is arranged at the top of the water inlet pipe by means of a flange connection, so that water can be added to the material box 301 through the water inlet pipe, and the splashing is blocked by the baffle cover, so that water can be avoided from spilling out of the material box 301 during the load test, thereby improving the working stability of the load component.

[0036] The present invention also provides a winch load test method based on a rocker arm holding rod centralized control system, comprising the following steps: Step 1: The hoisting unit to be tested is embedded in the embedded groove 200, and then the servo motor 218 is driven to drive the turntable 216 to rotate counterclockwise. Through the connection of the connecting rod 219, the turntable 216 rotates counterclockwise to drive the two moving blocks 204 to move toward each other. The moving block 204 moves so that the inclined surface 212 squeezes the roller 221, so that the insertion rod 211 rises, so that the insertion rod 211 is inserted out of the movable hole 210 and inserted into the mounting hole at the bottom of the frame 103. The moving block 204 continues to move so that the moving block 204 squeezes the insertion block 203, so that the insertion block 203 can be moved out of the movable groove 202 and inserted into the outer wall of the frame 103, thereby completing the horizontal and vertical positioning of the frame 103 in the embedded groove 200; Step 2: Pull out the steel wire rope in the machine body 104 and pass it through the top of the rope roller 305 to connect it with the connecting ring 307, and then add the required amount of water into the material box 301. At this time, the machine body 104 is working, and the released steel wire rope is gradually wound up. At the same time, the wound steel wire rope makes the material box 301 be lifted, and the load test of the machine body 104 is carried out; Step three: After the material box 301 is lifted by the machine body 104, the top block 403 moves upward under the elastic action of the third spring 407, and the movement of the top block 403 drives the movable plate 402 to move until the movable plate 402 abuts against the top of the inner wall of the second movable chamber 401, so that the first buffer mechanism starts to work, and then the air pump 510 works to continuously inflate the air inlet pipe 511, and then through the connection of the connecting pipe 512, the gas enters the interior of the inflation chamber 506, squeezes the top of the piston plate 508, so that the piston plate 508 rises, and the rising of the piston plate 508 drives the fourth spring 509 to rise and compress the fourth spring 509, and the rising of the fourth spring 509 drives the rising of the plate 507, and the rising of the plate 507 drives the connecting rod 504 to rise, and the rising of the connecting rod 504 drives the top plate 502 to rise, so that the second buffer mechanism starts to work.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A winch load test device based on a rocker arm centralized control system, characterized in that: include: first base (101); A second base (102); A hoisting unit, wherein the hoisting unit is arranged at the top of the first base (101); An installation mechanism, the installation mechanism being arranged between the hoisting unit and the first base (101); A load component, the load component being arranged on the top of the second base (102); A first buffer mechanism, wherein the first buffer mechanism is arranged inside the second base (102), and the first buffer mechanism is used to mitigate the impact force of the load component falling.

2. A winch load test device based on a rocker arm centralized control system according to claim 1, characterized in that: The hoisting unit comprises: A frame (103), wherein the mounting mechanism is arranged between the frame (103) and the first base (101); A machine body (104), wherein the machine body (104) is fixedly connected to the top of the frame (103).

3. A winch load test device based on a rocker arm centralized control system according to claim 2, characterized in that: The mounting mechanism comprises: An embedding groove (200), wherein the embedding groove (200) is provided at the top of the first base (101), and the outer wall of the frame (103) is movably connected to the inner wall of the embedding groove (200); An insert block (203), wherein a first movable cavity (201) is provided inside the first base (101), a movable groove (202) is provided between the first movable cavity (201) and the embedding groove (200), and an outer wall of the insert block (203) is slidably connected to an inner wall of the movable groove (202); A moving block (204), the moving block (204) being slidably disposed on an inner wall of the first movable cavity (201); A fixing rod (205), the fixing rod (205) being fixedly connected to the inner wall of the first movable cavity (201), a connecting hole (206) being provided on one side of the insert block (203), and an outer wall of the fixing rod (205) being movably interlaced with an inner wall of the connecting hole (206); A fixed plate (208), wherein the inner wall of the connecting hole (206) is provided with a connecting cavity (207), the outer wall of the fixed plate (208) is slidably connected to the inner wall of the connecting cavity (207), and one end of the fixed rod (205) is fixedly connected to one side of the fixed plate (208); A first spring (209), the first spring (209) being arranged on one side of the fixing plate (208), and the first spring (209) being sleeved on an outer wall of the fixing rod (205); A reinforcement mechanism is arranged on the top of the moving block (204).

4. A winch load test device based on a rocker arm centralized control system according to claim 3, characterized in that: The reinforcement mechanism comprises: An insert rod (211), a movable hole (210) is formed at the bottom end of the inner wall of the embedding groove (200), the interior of the movable hole (210) is connected to the interior of the first movable cavity (201), and the outer wall of the insert rod (211) is movably connected to the inner wall of the movable hole (210); An inclined surface (212), wherein the inclined surface (212) is provided at a top end of the moving block (204); a second spring (215), an annular groove (213) is formed on the inner wall of the movable hole (210), a fixing ring (214) is slidably connected to the inner wall of the annular groove (213), the fixing ring (214) is fixedly sleeved on the outer wall of the insertion rod (211), the second spring (215) is arranged on the top end of the fixing ring (214), and the second spring (215) is sleeved on the outer wall of the insertion rod (211); A roller (221), a rotation groove (220) is formed at the bottom end of the insertion rod (211), and the roller (221) is rotatably connected to the inner wall of the rotation groove (220); A synchronization mechanism is provided inside the first movable cavity (201), and is used for synchronous movement of two moving blocks (204).

5. A winch load test device based on a rocker arm centralized control system according to claim 4, characterized in that: The synchronization mechanism comprises: a rotating disk (216), the rotating disk (216) being rotatably connected to the inner wall of the first active chamber (201); A connecting rod (219), wherein an end of the connecting rod (219) is rotatably connected to the side of the top end of the rotating disk (216), and the other end of the connecting rod (219) is rotatably connected to the top end of the moving block (204); A servo motor (218), wherein a mounting cavity (217) is provided inside the first base (101), the servo motor (218) is mounted inside the mounting cavity (217), and an output end of the servo motor (218) is drivingly connected to the bottom end of the turntable (216).

6. The winch load test device based on the rocker arm centralized control system according to claim 1 is characterized in that: The load assembly comprises: A material box (301), wherein the material box (301) is arranged on the top of the second base (102); A fixed frame (302), the fixed frame (302) being fixedly connected to the top of the second base (102); A rope-passing roller (305), wherein a slot (303) is provided at the top of the fixed frame (302), and vertical plates (304) are symmetrically fixedly connected to the inner wall of the slot (303), and the rope-passing roller (305) is rotatably connected between the two vertical plates (304); A connecting ring (307), the top end of the material box (301) is fixedly connected to a connecting column (306), and the connecting ring (307) is arranged at the top end of the connecting column (306); An I-shaped block (309), the I-shaped block (309) being fixedly connected to the material box (301), guide grooves (308) being provided on both sides of the fixed frame (302), and the I-shaped block (309) being slidably disposed on the inner wall of the guide groove (308); A rotating wheel (311), wherein the inner wall of the I-shaped block (309) is provided with a rotating cavity (310), the rotating wheel (311) is rotatably connected to the inner wall of the rotating cavity (310), and the outer wall of the rotating wheel (311) is arranged to fit the outer wall of the guide groove (308).

7. The winch load test device based on the rocker arm centralized control system according to claim 1 is characterized in that: The first buffer mechanism comprises: A movable plate (402), wherein a second movable cavity (401) is provided inside the second base (102), and an outer wall of the movable plate (402) is slidably connected to an inner wall of the second movable cavity (401); A top block (403), the bottom end of the top block (403) is fixedly connected to the top end of the movable plate (402), a top groove (404) is provided at the top end of the second base (102), and the outer wall of the top block (403) is movably connected to the inner wall of the top groove (404); a third spring (407), wherein a boss (405) is fixedly connected to the bottom end of the inner wall of the second movable cavity (401), a bottom hole (406) is formed at the bottom ends of the movable plate (402) and the top block (403), the boss (405) is inserted through the inner wall of the bottom hole (406), and the third spring (407) is arranged between the top end of the boss (405) and the inner wall of the bottom hole (406); A second buffer mechanism, wherein the second buffer mechanism is arranged below the movable plate (402).

8. The winch load test device based on the rocker arm centralized control system according to claim 7 is characterized in that: The second buffer mechanism comprises: A top plate (502), wherein a clamping hole (501) is provided at the bottom end of the inner wall of the second active cavity (401), and the top plate (502) is inserted into the inner wall of the clamping hole (501); A connecting rod (504), the top end of the connecting rod (504) is fixedly connected to the bottom end of the top plate (502), the inner wall of the clamping hole (501) is provided with a connecting hole (503), and the outer wall of the connecting rod (504) is movably connected to the inner wall of the connecting hole (503); a fourth spring (509), wherein the inner wall of the communicating hole (503) is provided with an air-filled cavity (506), the inner wall of the air-filled cavity (506) is slidably connected with a stop plate (507), the top end of the stop plate (507) is fixedly connected to the bottom end of the connecting rod (504), and the fourth spring (509) is arranged below the stop plate (507); A piston plate (508), the piston plate (508) being slidably connected to the inner wall of the inflation chamber (506), and the piston plate (508) being arranged below the fourth spring (509); A pressurizing mechanism, wherein the pressurizing mechanism is arranged below the piston plate (508).

9. A winch load test device based on a rocker arm centralized control system according to claim 8, characterized in that: The pressurizing mechanism comprises: An air pump (510), wherein an air intake pipe (511) is provided at an output end of the air pump (510), and the air intake pipe (511) is fixedly inserted and connected to the interior of the second base (102); A connecting pipe (512), the connecting pipe (512) being fixedly inserted and connected to the outer wall of the air inlet pipe (511), the interior of the connecting pipe (512) being connected to the interior of the inflation chamber (506).

10. A winch load test method based on a rocker arm centralized control system according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: embed the hoisting unit to be tested into the embedded groove (200), and then the servo motor (218) is driven to drive the turntable (216) to rotate counterclockwise. Through the connection of the connecting rod (219), the turntable (216) rotates counterclockwise to drive the two moving blocks (204) to move toward each other. The moving block (204) moves so that the inclined surface (212) squeezes the roller (221), thereby causing the insertion rod (211) to rise, so that the insertion rod (211) is inserted out of the movable hole (210) and inserted into the mounting hole at the bottom end of the frame (103). The moving block (204) continues to move so that the moving block (204) squeezes the insertion block (203), so that the insertion block (203) is moved out of the movable groove (202) and inserted into the outer wall of the frame (103), thereby completing the horizontal and vertical positioning of the frame (103) in the embedded groove (200); Step 2: Pull out the steel wire rope in the machine body (104) and pass it through the top of the rope roller (305) to connect it to the connecting ring (307), and then add a required amount of water into the material box (301). At this time, the machine body (104) works, and the released steel wire rope is gradually wound up. At the same time, the wound steel wire rope causes the material box (301) to be lifted, and a load test of the machine body (104) is performed; Step 3: After the material box (301) is lifted by the machine body (104), the top block (403) moves upward under the elastic action of the third spring (407), and the top block (403) moves to drive the movable plate (402) to move until the movable plate (402) abuts against the top of the inner wall of the second movable chamber (401), so that the first buffer mechanism starts to work, and then the air pump (510) works to continuously inflate the air inlet pipe (511), and then through the connection of the connecting pipe (512), the air inlet pipe (511) is connected to the second movable chamber (401). The gas enters the interior of the inflation chamber (506) and squeezes the top of the piston plate (508), causing the piston plate (508) to rise. The rising of the piston plate (508) drives the fourth spring (509) to rise and compress the fourth spring (509). The rising of the fourth spring (509) drives the abutment plate (507) to rise. The rising of the abutment plate (507) drives the connecting rod (504) to rise. The rising of the connecting rod (504) drives the top plate (502) to rise, causing the second buffer mechanism to start working.

Images