CN117566633A - Vertical lifting platform with slow-falling brake - Google Patents

Abstract

The invention relates to the technical field of vertical lifting tables, in particular to a vertical lifting platform with a descent control brake, which comprises a base and a vertical lifting table body, wherein the vertical lifting table body is fixedly arranged at the top of the base, supporting seats are fixedly arranged at the top of the base and positioned at two sides of the vertical lifting table body, and descent control components are arranged at the tops of the two supporting seats.

Description

Vertical lifting platform with slow-falling brake

Technical Field

The invention relates to the technical field of vertical lifting platforms, in particular to a vertical lifting platform with slow-falling brake.

Background

The vertical lifting platform is a lifting machine for vertically conveying people or objects, and also refers to equipment for vertically conveying in logistics systems such as factories, automatic warehouses and the like, and is generally hydraulically driven, so the vertical lifting platform is widely applied to operations such as high-altitude installation and maintenance except for being used for conveying goods at different heights, the characteristic of free lifting of the lifting platform is widely applied to municipal maintenance, wharfs, logistics center goods transportation, building decoration and the like, an automobile chassis, a battery car chassis and the like are installed, the working height space is changed, and the vertical lifting platform has the advantages of light weight, self walking, electric starting, self supporting legs, simplicity in operation, large working surface, capability of performing high-altitude operation across obstacles and the like.

The vertical lifting platform is driven by a hydraulic system or electrical equipment in the use process to adjust the height of the vertical lifting platform, if oil leakage or faults and the like occur in the driving of the hydraulic system or the electrical equipment, the vertical lifting platform can not stably lift and even quickly descend to cause safety accidents, a conventional descent control device of the vertical lifting platform usually adopts a sensor to sense and brake through a driving device so as to slowly descend the vertical lifting platform, but the mode adopts the electrical equipment such as the sensor to slowly descend, and on the operation place of the vertical lifting platform, particularly on a construction site used outdoors in a building in the construction process, the electrical faults frequently occur due to the severe operation environment of the vertical lifting platform, even if a standby power supply is arranged, the electrical faults still cannot be avoided, the descent control fault occurs, and the vertical lifting platform with descent control brake is provided for solving the problems.

Disclosure of Invention

The invention aims to provide a vertical lifting platform with slow-falling brake, which aims to overcome the defects of the prior art, adopts a pure mechanical mode to slowly-falling brake sudden falling after the vertical lifting platform fails, avoids the slow-falling failure of the vertical lifting platform caused by the failures of electrical equipment, hydraulic pressure and the like, and has better slow-falling effect.

The vertical lifting platform with the slow-falling brake comprises a base and a vertical lifting platform body, wherein the vertical lifting platform body is fixedly arranged at the top of the base, supporting seats are fixedly arranged at the top of the base and positioned at two sides of the vertical lifting platform body, slow-falling components are arranged at the tops of the two supporting seats, one sides, close to each other, of the two slow-falling components are respectively connected with two sides of the top of the vertical lifting platform body, a first auxiliary component is arranged at the top of the two slow-falling components, and a second auxiliary component is arranged at the top of the two supporting seats.

Further, slowly, the subassembly includes first gag lever post, the balancing weight, first through-hole, the second through-hole, the inserted bar, connect the rope, the limiting plate, the connecting rod, first haulage rope, the second haulage rope, first connecting block, the second connecting block, first gag lever post is equipped with two, two first gag lever posts are all fixed to be established at the top of supporting seat, the balancing weight is rectangular array cover and establishes the lateral wall at two first gag lever posts, the limiting plate cover is established at the lateral wall of two first gag lever posts, and the limiting plate is located the top of balancing weight, the bottom at the limiting plate is fixed to the second gag lever post, the lateral wall cover of second gag lever post is established in the balancing weight, first through-hole is rectangular array and is seted up at the lateral wall of second gag lever post, the second through-hole is seted up in one side that the balancing weight kept away from the vertical lift platform body, the second through-hole is the same with the inner wall diameter of first through-hole.

Further, one end of the connecting rope is fixedly connected with one side, far away from the vertical lifting table body, of the limiting plate, the other end of the connecting rope is fixedly connected with one end of the inserted link, and the other end side wall of the inserted link is sleeved on the inner walls of the first through hole and the second through hole.

Further, the second connecting block and the second haulage rope are both provided with two, and two second connecting blocks are fixedly arranged on one side of the top of the vertical lifting platform body and are fixedly connected, one end of each of the two second haulage ropes is respectively fixedly connected with one side of the two second connecting blocks, which is far away from the vertical lifting platform body, and the other end of each of the two second haulage ropes is fixedly connected with the side wall of the first connecting block, the bottom of the first connecting block is fixedly connected with one end of the first haulage rope, and the other end of the first haulage rope is fixedly connected with the top of the limiting plate through the first auxiliary assembly.

Further, the top of balancing weight has been seted up the cover and has been established first mounting hole and the second mounting hole of second gag lever post and first gag lever post, the fifth mounting hole of first gag lever post is seted up to the top of limiting plate.

Further, first auxiliary assembly includes first screwed pipe, bolt, fixed column and fixed block, and first screwed pipe is fixed to be established at the top of limiting plate, the lateral wall at first screwed pipe is established to first haulage rope level cover, and the one end that first connecting block was kept away from to first haulage rope extends to outside the first screwed pipe, and the lateral wall of bolt and the inner wall threaded connection of first screwed pipe, fixed column and fixed block all are equipped with two, and two fixed columns are all fixed to be established at the top of limiting plate, and two fixed blocks are fixed respectively to be established at the top of two fixed columns.

Further, two fixed columns are located the front and the back of first screwed pipe respectively, the lateral wall diameter of fixed block is greater than the lateral wall diameter of fixed column, the third mounting hole of the cover of establishing first haulage rope is seted up to the lateral wall of first screwed pipe.

Further, the second auxiliary assembly includes driving motor, second screwed pipe, first threaded rod, second threaded rod, spout, first gear, second gear, mount pad, mounting frame and fixed pulley, the bottom of second threaded rod rotates with the top of supporting seat and is connected, the inner wall of second screwed pipe and the lateral wall threaded connection of second threaded rod, the top at the second screwed pipe is fixed to the mounting frame, the fixed pulley is equipped with two, the both ends of two fixed pulleys rotate with the inboard both sides of mounting frame respectively and are connected, the lateral wall of first haulage rope is located one side that two fixed pulleys are close to each other, driving motor's output shaft is fixed to be equipped with the pivot, the fixed cover of inner wall of first gear is established in the lateral wall of pivot, the fixed cover of inner wall of second gear is established in the lateral wall bottom of second threaded rod, the outer wall tooth of second gear and the outer wall tooth meshing of first gear, driving motor passes through the wire and is connected with the controller.

Further, the top at the supporting seat is offered to the spout, and the slider has been placed to the inside of spout, and the top of slider is rotated with the bottom of pivot and is connected, the fixed top at the slider that establishes of mount pad, one side and driving motor's the lateral wall fixed connection that the slider was kept away from to the mount pad, the lateral wall both ends of first threaded rod rotate with the positive inner wall and the back inner wall of spout respectively and are connected, and the one end lateral wall that first threaded rod is located the spout is connected with slider screw thread, and the one end of first threaded rod extends to the front of supporting seat, and first threaded rod is located the positive one end of supporting seat and is fixedly equipped with the crank.

Further, the outer wall back of screwed pipe is fixed and is equipped with even board, and the fourth mounting hole has been seted up at the top of even board, and the fixed cover of inner wall of fourth mounting hole is equipped with linear bearing, and linear bearing's inner wall cover is equipped with the cylinder axle, the bottom of cylinder axle and the top fixed connection of supporting seat.

Compared with the prior art, the invention has the following beneficial effects;

1. according to the invention, the descent control assembly is used for carrying out descent control braking on the suddenly-lowered vertical lifting table body after faults occur in a purely mechanical mode, so that the suddenly-lowered vertical lifting table body is prevented from being suddenly damaged due to faults such as electrical equipment and hydraulic pressure, personnel on the vertical lifting table body are prevented from being dangerously subjected to the descent control effect, the weight of the balancing weights can be adjusted according to the weight borne by the vertical lifting table body, the descent control effect of the vertical lifting table body under different bearing weights is ensured, the front end and the rear end of one side of the vertical lifting table body are pulled through the second connecting block, the traction stability is improved, and the descent control effect and the stability of the vertical lifting table body are further ensured by arranging the same descent control assembly on both sides of the vertical lifting table body.

2. The height of the fixed pulley is convenient to adjust through the second auxiliary assembly, so that when the vertical lifting table body rises to different heights, the fixed pulley changes the traction direction of the first traction rope, when the vertical lifting table body suddenly descends, the counterweight plays a role in reverse traction on the descending direction of the vertical lifting table body, so that the counterweight is conveniently and slowly descended along the side wall of the fixed pulley by the subsequent first traction rope, the driving motor and the first gear are driven to move through the first threaded rod, the fixed pulley can be driven to move through the driving motor, the second threaded rod can be manually rotated to adjust the height of the fixed pulley, and the first gear and the second gear are separated after the driving motor drives the fixed pulley to move, so that the descending of the fixed pulley is not influenced by the driving motor.

3. According to the invention, the use length of the traction rope is convenient to adjust through the first auxiliary assembly, so that the first traction rope can conveniently and normally drag the balancing weights when the vertical lifting table body is lifted to different heights, the vertical lifting table body with different lifting heights can be conveniently and slowly lowered, the first traction rope is synchronously fixed through two modes of thread fixing and fixing column winding fixing, the stability of the first traction rope after the use length adjustment is finished is ensured, and the stability of the traction balancing weights in a slow-lowering manner is further ensured.

Drawings

FIG. 1 is a schematic diagram of the overall elevation structure of a vertical lift platform with slow-descent brake provided by the invention;

FIG. 2 is a schematic diagram of the overall rear view of a vertical lift platform with slow-down brake provided by the invention;

FIG. 3 is a schematic diagram of the overall right-view structure of the vertical lift platform with slow-down brake provided by the invention;

FIG. 4 is a schematic view of a support base and a second auxiliary assembly of a vertical lift platform with slow-down brake according to the present invention;

FIG. 5 is a schematic view of a descent control device and a first auxiliary device of a vertical lift platform with a descent control brake according to the present invention;

FIG. 6 is an enlarged schematic view of the vertical lift platform A in FIG. 4 with slow-down brake according to the present invention;

fig. 7 is an enlarged schematic view of the vertical lift platform B in fig. 4 with slow-down brake according to the present invention.

Reference numerals referred to in the above figures: 1. a base; 2. a vertical lifting table body; 3. a second auxiliary component; 301. a mounting base; 302. a fixed pulley; 303. a mounting frame; 304. a second threaded tube; 305. a second threaded rod; 306. a second gear; 307. a first gear; 308. a driving motor; 309. a chute; 3010. a first threaded rod; 4. a support base; 5. a descent control assembly; 501. balancing weight; 502. a second through hole; 503. a rod; 504. a connecting rope; 505. a first stop lever; 506. a first traction rope; 507. a first connection block; 508. a second traction rope; 509. a second connection block; 5010. a limiting plate; 5011. a second limit rod; 5012. a first through hole; 6. a first auxiliary component; 601. a bolt; 602. fixing the column; 603. a first threaded pipe; 604. a fixed block; 7. a cylindrical shaft; 8. a connecting plate; 9. a linear bearing.

Detailed Description

The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.

The implementation of the present invention will be described in detail below with reference to specific embodiments.

Example 1

Please read fig. 1, fig. 2 and fig. 3, vertical lift platform with slow down brake, including base 1 and vertical lift platform body 2, vertical lift platform body 2 is fixed to be established at the top of base 1, and the top of base 1 just is located the both sides of vertical lift platform body 2 and all is fixed to be equipped with supporting seat 4, and the top of two supporting seats 4 all is provided with slowly falls subassembly 5, and one side that two slowly falls subassembly 5 are close to each other is connected with the top both sides of vertical lift platform body 2 respectively, and the top of two slowly falls subassembly 5 all is provided with first auxiliary assembly 6, and the top of two supporting seats 4 is provided with second auxiliary assembly 3.

In practical implementation, the device is integrally moved to a designated position through the universal wheel at the bottom of the base 1, the device can work through the vertical lifting platform body 2, before the work, the mounting frame 303 and the fixed pulley 302 of the second auxiliary assembly 3 are moved to the designated height, so that the subsequent first traction rope 506 pulls the balancing weight 501 along the side wall of the fixed pulley 302, further the vertical lifting platform body 2 is slowly lowered, when the vertical lifting platform body 2 breaks down and suddenly drops, the vertical lifting platform body 2 drives the second connecting block 509 to move, the second connecting block 509 pulls the second traction rope 508, the second traction rope 508 pulls the first connecting block 507, the first connecting block 507 drives the first traction rope 506 to pull the limiting plate 5010 to move along the side wall of the fixed pulley 302 through the first threaded pipe 603, the limiting plate 5010 drives the second limiting rod 5011 and the balancing weight 501 to move, thereby, the vertical lifting table body 2 is pulled in the opposite direction of the suddenly-falling direction, thereby playing a role of slowly lowering the vertical lifting table body 2, a purely mechanical mode is adopted to slowly lower and brake the suddenly-falling of the vertical lifting table body 2 after the vertical lifting table body 2 fails, the suddenly-falling damage of the vertical lifting table body 2 caused by the faults of electric equipment, hydraulic pressure and the like is avoided, the danger to workers on the vertical lifting table body 2 is avoided, the slowly-falling effect is better, before the vertical lifting table body 2 is actually used, the weight of the balancing weight 501 can be adjusted according to the weight borne by the vertical lifting table body 2, the slowly-falling effect of the vertical lifting table body 2 under different bearing weights is ensured, the length of the first traction rope 506 is adjusted through the first auxiliary component 6, the vertical lifting table body 2 with different heights is convenient to be pulled and lifted by the first traction rope 506 and the like, the slow descending effect of the vertical lifting platform body 2 under different ascending heights is ensured.

Example two

Referring to fig. 3 and 5, the descent control device 5 includes a first stop lever 505, a balancing weight 501, a first through hole 5012, a second through hole 502, a plunger 503, a connecting rope 504, a stop plate 5010, a connecting rod, a first traction rope 506, a second traction rope 508, a first connecting block 507, and a second connecting block 509, wherein two first stop levers 505 are fixedly arranged at the top of the supporting seat 4, the balancing weight 501 is sleeved on the side walls of the two first stop levers 505 in a rectangular array, the stop plate 5010 is sleeved on the side walls of the two first stop levers 505, the stop plate 5010 is positioned at the top of the balancing weight 501, the second stop lever 5011 is fixedly arranged at the bottom of the stop plate 5010, the side wall of the second stop lever 5011 is sleeved in the balancing weight 501, the first through hole 5012 is arranged on the side wall of the second stop lever 5011 in a rectangular array, the second through hole 502 is arranged on one side of the balancing weight 501 far away from the vertical lifting table body 2, the diameters of the inner walls of the second through hole 502 and the first through hole 5012 are the same, one end of the connecting rope 504 is fixedly connected with one side of the limiting plate 5010 far away from the vertical lifting table body 2, the other end of the connecting rope 504 is fixedly connected with one end of the inserting rod 503, the other end side wall of the inserting rod 503 is sleeved on the inner walls of the first through hole 5012 and the second through hole 502, two second connecting blocks 509 and two second haulage ropes 508 are respectively arranged on one side of the top of the vertical lifting table body 2 and fixedly connected with one side of the two second connecting blocks 509 far away from the vertical lifting table body 2, the other ends of the two second haulage ropes 508 are respectively fixedly connected with the side wall of the first connecting block 507, the bottom of the first connecting block 507 is fixedly connected with one end of the first haulage rope 506, the other end of the first traction rope 506 is fixedly connected with the top of the limiting plate 5010 through the first auxiliary assembly 6.

In a specific implementation, the inserting rod 503 is inserted into the balancing weight 501 with specified weight, so that the second limiting rod 5011 is connected with the balancing weight 501 with specified weight, and accordingly the vertical lifting table body 2 with different bearing weights slowly descends, the vertical lifting table body 2 drives the second connecting block 509 to move, the second connecting block 509 pulls the second traction rope 508, the second traction rope 508 pulls the first connecting block 507, the first connecting block 507 drives to pull the first traction rope 506, the first traction rope 506 pulls the limiting plate 5010 to move along the side wall of the fixed pulley 302 through the first threaded pipe 603, the limiting plate 5010 drives the second limiting rod 5011 and the balancing weight 501 to move, and accordingly a traction effect is achieved in the reverse direction of suddenly descending of the vertical lifting table body 2, and accordingly the vertical lifting table body 2 slowly descends.

The top of balancing weight 501 has been seted up the cover and has been established first mounting hole and the second mounting hole of second gag lever post 5011 and first gag lever post 505, and the fifth mounting hole of first gag lever post 505 has been seted up at the top of limiting plate 5010, the in-service use of being convenient for.

Example III

Please see fig. 5, the first auxiliary assembly 6 includes a first threaded tube 603, a bolt 601, fixing columns 602 and fixing blocks 604, the first threaded tube 603 is fixedly arranged at the top of the limiting plate 5010, the first traction rope 506 is horizontally sleeved on the side wall of the first threaded tube 603, one end of the first traction rope 506, which is far away from the first connecting block 507, extends out of the first threaded tube 603, the side wall of the bolt 601 is in threaded connection with the inner wall of the first threaded tube 603, the fixing columns 602 and the fixing blocks 604 are both provided with two, the two fixing columns 602 are both fixedly arranged at the top of the limiting plate 5010, and the two fixing blocks 604 are respectively fixedly arranged at the tops of the two fixing columns 602.

In a specific implementation, the first traction rope 506 with a determined usage length is sleeved in the first threaded pipe 603 and is arranged in the third mounting hole, then the bolt 601 is screwed in and screwed, so that the first traction rope 506 is extruded and fixed, after the extrusion and fixation are completed, the rest first traction rope 506 is wound on the fixed column 602 in a differential mode and is fastened, and the first traction rope 506 is prevented from being separated from the fixed column 602 through the fixed block 604.

Two fixed columns 602 are located the front and the back of first screwed pipe 603 respectively, and the lateral wall diameter of fixed block 604 is greater than the lateral wall diameter of fixed column 602, is convenient for carry out spacingly to the first haulage rope 506 of winding at fixed column 602 lateral wall, avoids first haulage rope 506 to follow the top landing of fixed column 602, improves the stability fixed to first haulage rope 506, and the third mounting hole of first haulage rope 506 is seted up to the lateral wall of first screwed pipe 603.

Example IV

Referring to fig. 4, 6 and 7, the second auxiliary assembly 3 includes a driving motor 308, a second threaded tube 304, a first threaded rod 3010, a second threaded rod 305, a chute 309, a first gear 307, a second gear 306, a mounting seat 301, a mounting frame 303 and a fixed pulley 302, the bottom of the second threaded rod 305 is rotatably connected with the top of the supporting seat 4, the inner wall of the second threaded tube 304 is in threaded connection with the side wall of the second threaded rod 305, the mounting frame 303 is fixedly arranged at the top of the second threaded tube 304, the fixed pulley 302 is provided with two fixed pulleys 302, two ends of the two fixed pulleys 302 are rotatably connected with two sides of the inner side of the mounting frame 303 respectively, the side wall of the first traction rope 506 is positioned at one side where the two fixed pulleys 302 are close to each other, a rotating shaft is fixedly arranged on the output shaft of the driving motor 308, the inner wall of the first gear 307 is fixedly sleeved on the side wall of the rotating shaft, the fixed cover of inner wall of second gear 306 is established in the lateral wall bottom of second threaded rod 305, the outer wall tooth of second gear 306 meshes with the outer wall tooth of first gear 307, driving motor 308 is connected with the controller through the wire, the top at supporting seat 4 is seted up to spout 309, the slider has been placed to the inside of spout 309, the top of slider is rotated with the bottom of pivot and is connected, the top at the slider is fixed to mount pad 301, one side that the slider was kept away from to mount pad 301 and driving motor 308's lateral wall fixed connection, the lateral wall both ends of first threaded rod 3010 are connected with the front inner wall and the back inner wall rotation of spout 309 respectively, one end lateral wall that first threaded rod 3010 is located the spout 309 and slider threaded connection, the one end of first threaded rod 3010 extends to the front of supporting seat 4, the one end that first threaded rod 3010 is located the front of supporting seat 4 is fixed and is equipped with the crank.

In specific implementation, the dummy crank is rotated, the crank drives the first threaded rod 3010 to rotate, the first threaded rod 3010 drives the sliding block to move along the sliding groove 309 while rotating, thereby driving the first gear 307 and the driving motor 308 to move, the first gear 307 is meshed with the second gear 306, after the meshing is completed, the driving motor 308 is started by the controller, the output shaft of the driving motor 308 drives the rotating shaft to rotate, the rotating shaft drives the first gear 307 to rotate, the first gear 307 drives the second gear 306 to rotate, the second gear 306 drives the second threaded rod 305 to rotate, the second threaded rod 305 drives the second threaded pipe 304 to move while rotating, the second threaded pipe 304 drives the mounting frame 303 and the fixed pulley 302 to move, after the fixed pulley 302 moves to a specified height, the driving motor 308 is closed, and the crank is reversed, thereby enabling the first gear 307 and the second gear 306 to be separated, and the fixed pulley 302 is not lowered by the self-locking function in the lowering direction of the fixed pulley 302 in a mode of threaded connection of the second threaded rod 305 and the second threaded pipe 304, and the situation that the fixed pulley 302 is lowered by accident caused by the driving of the fixed pulley 302 is avoided.

The outer wall back of screwed pipe is fixed and is equipped with even board 8, and the fourth mounting hole has been seted up at even board 8's top, and the fixed cover of inner wall in fourth mounting hole is equipped with linear bearing 9, and linear bearing 9's inner wall cover is equipped with cylindrical shaft 7, and cylindrical shaft 7's bottom and the top fixed connection of supporting seat 4, when second threaded rod 305 drove second screwed pipe 304 and remove, second screwed pipe 304 drive even board 8 and linear bearing 9 and remove along cylindrical shaft 7, carry out spacingly to second screwed pipe 304, guarantee the stability that second screwed pipe 304 removed.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Referring to fig. 1-7, a preferred embodiment of the present invention is provided.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims (10)

1. The utility model provides a vertical lift platform with slowly fall brake, its characterized in that, including base (1) and vertical lift platform body (2), vertical lift platform body (2) are fixed to be established the top of base (1), the top of base (1) and the both sides that are located vertical lift platform body (2) are all fixed and are equipped with supporting seat (4), the top of two supporting seats (4) all is provided with slowly descending subassembly (5), one side that two slowly descending subassembly (5) are close to each other is connected with the top both sides of vertical lift platform body (2) respectively, the top of two slowly descending subassembly (5) all is provided with first auxiliary assembly (6), the top of two supporting seats (4) is provided with second auxiliary assembly (3).

2. The vertical lifting platform with slow-down brake according to claim 1, wherein the slow-down assembly (5) comprises a first limit rod (505), a balancing weight (501), a first through hole (5012), a second through hole (502), a plug rod (503), a connecting rope (504), a limit plate (5010), a connecting rod, a first traction rope (506), a second traction rope (508), a first connecting block (507) and a second connecting block (509), the first limit rod (505) is provided with two first limit rods (505) which are all fixedly arranged at the top of a supporting seat (4), the balancing weight (501) is sleeved on the side walls of the two first limit rods (505) in a rectangular array, the limit plate (5010) is sleeved on the top of the balancing weight (501), the second limit rod (5011) is fixedly arranged at the bottom of the limit plate (0), the side walls of the second limit rod (5011) are sleeved in the balancing weight (501), the first rectangular through hole (5012) is sleeved on the side wall of the second limit rod (501), and the diameter of the second limit rod (501) is far away from the vertical lifting platform (502) is provided on one side of the same side of the second limit rod (501).

3. The vertical lifting platform with slow-down brake according to claim 2, wherein one end of the connecting rope (504) is fixedly connected with one side, far away from the vertical lifting platform body (2), of the limiting plate (5010), the other end of the connecting rope (504) is fixedly connected with one end of the inserting rod (503), and the side wall of the other end of the inserting rod (503) is sleeved on the inner walls of the first through hole (5012) and the second through hole (502).

4. The vertical lifting platform with slow-down brake according to claim 2, wherein two second connecting blocks (509) and second haulage ropes (508) are respectively arranged, the two second connecting blocks (509) are fixedly arranged on one side of the top of the vertical lifting platform body (2) and are fixedly connected, one ends of the two second haulage ropes (508) are respectively fixedly connected with one side, far away from the vertical lifting platform body (2), of the two second connecting blocks (509), the other ends of the two second haulage ropes (508) are respectively fixedly connected with the side wall of the first connecting block (507), the bottom of the first connecting block (507) is fixedly connected with one end of the first haulage rope (506), and the other end of the first haulage rope (506) is fixedly connected with the top of the limiting plate (5010) through the first auxiliary component (6).

5. The vertical lifting platform with the slow-descent brake according to claim 2, wherein the top of the balancing weight (501) is provided with a first mounting hole and a second mounting hole sleeved with a second limiting rod (5011) and a first limiting rod (505), the top of the limiting plate (5010) is provided with a fifth mounting hole sleeved with a first limiting rod (505), the side wall of the first traction rope (506) is located at one side, close to each other, of the two fixed pulleys (302), the first traction rope (506) is horizontally sleeved on the side wall of the first threaded pipe (603), and one end, away from the first connecting block (507), of the first traction rope (506) extends out of the first threaded pipe (603).

6. The vertical lifting platform with slow-descent braking according to claim 1, wherein the first auxiliary assembly (6) comprises a first threaded pipe (603), a bolt (601), a fixing column (602) and a fixing block (604), the first threaded pipe (603) is fixedly arranged at the top of a limiting plate (5010), the side wall of the bolt (601) is in threaded connection with the inner wall of the first threaded pipe (603), the fixing column (602) and the fixing block (604) are respectively provided with two fixing columns, the two fixing columns (602) are respectively fixedly arranged at the top of the limiting plate (5010), and the two fixing blocks (604) are respectively fixedly arranged at the tops of the two fixing columns (602).

7. The vertical lifting platform with slow-down brake as claimed in claim 6, wherein the two fixing columns (602) are respectively located on the front side and the back side of the first threaded pipe (603), the diameter of the side wall of the fixing block (604) is larger than that of the side wall of the fixing column (602), and a third mounting hole sleeved with the first traction rope (506) is formed in the side wall of the first threaded pipe (603).

8. The vertical lifting platform with slow-down brake according to claim 1, wherein the second auxiliary assembly (3) comprises a driving motor (308), a second threaded pipe (304), a first threaded rod (3010), a second threaded rod (305), a sliding groove (309), a first gear (307), a second gear (306), a mounting seat (301), a mounting frame (303) and a fixed pulley (302), the bottom of the second threaded rod (305) is rotationally connected with the top of the supporting seat (4), the inner wall of the second threaded pipe (304) is in threaded connection with the side wall of the second threaded rod (305), the mounting frame (303) is fixedly arranged at the top of the second threaded pipe (304), the fixed pulleys (302) are provided with two, two ends of each fixed pulley (302) are respectively rotationally connected with two inner sides of the mounting frame (303), an output shaft of the driving motor (308) is fixedly provided with a rotating shaft, the inner wall of the first gear (307) is fixedly sleeved on the side wall of the rotating shaft, the inner wall of the second gear (306) is fixedly sleeved on the bottom of the side wall of the second threaded rod (305), the outer wall of the second gear (306) is fixedly sleeved on the side wall of the second threaded rod (305), and the outer wall of the second gear (307) is fixedly connected with the outer wall of the first gear (307) and the first gear (307) is in mesh with the outer gear (308) through a guide wire.

9. The vertical lifting platform with slow-down brake according to claim 8, wherein the sliding groove (309) is formed in the top of the supporting seat (4), the sliding block is placed in the sliding groove (309), the top of the sliding block is rotationally connected with the bottom of the rotating shaft, the mounting seat (301) is fixedly arranged at the top of the sliding block, one side of the mounting seat (301) away from the sliding block is fixedly connected with the side wall of the driving motor (308), two ends of the side wall of the first threaded rod (3010) are respectively rotationally connected with the front inner wall and the back inner wall of the sliding groove (309), one end side wall of the first threaded rod (3010) is in threaded connection with the sliding block, one end of the first threaded rod (3010) extends to the front of the supporting seat (4), and one end of the first threaded rod (3010) on the front of the supporting seat (4) is fixedly provided with a crank.

10. The vertical lifting platform with the slow-descent brake of claim 8, wherein the back surface of the outer wall of the threaded pipe is fixedly provided with a connecting plate (8), a fourth mounting hole is formed in the top of the connecting plate (8), a linear bearing (9) is fixedly sleeved on the inner wall of the fourth mounting hole, a cylindrical shaft (7) is sleeved on the inner wall of the linear bearing (9), and the bottom of the cylindrical shaft (7) is fixedly connected with the top of the supporting seat (4).