CN220886842U - Lifting device - Google Patents

Abstract

The utility model belongs to the technical field of automobile manufacturing, and discloses a lifting device. The lifting device comprises a frame, a lifting assembly and a slowly falling assembly, wherein the lifting assembly comprises a first driving piece, a counterweight piece, a lifting rope and a storage box, the slowly falling assembly comprises a second driving piece and a slowly falling rope, the first driving piece drives an output roller to rotate so as to drive the counterweight piece and the storage box to rise or fall, the storage box and the counterweight piece are opposite in rising and falling states, two ends of the slowly falling rope are respectively connected to the output roller of the first driving piece and the output end of the second driving piece, the slowly falling rope is gradually wound on the output roller when the storage box rises under the driving of the first driving piece, and is gradually wound from the output roller when the storage box falls, and the second driving piece is used for enabling the slowly falling rope to be in a tensioning state all the time. The lifting device can avoid too high descending speed of the storage box and improve the lifting stability of materials.

Description

Lifting device

Technical Field

The utility model relates to the technical field of automobile manufacturing, in particular to a lifting device.

Background

Along with the development of the times, the living standard of people is also continuously improved, the automobile is also driven into thousands of households, various goods accessories are required to be conveyed in the automobile production and manufacturing process, the horizontal conveying and the longitudinal conveying are mainly included, the lifting device is common longitudinal conveying equipment, the common longitudinal conveying equipment in the automobile industry is mainly divided into hydraulic type and rope type, the traditional hydraulic type lifting frame is lifted by means of bearing of a hydraulic cylinder, although the anti-falling safety is higher, the traditional rope type lifting frame needs larger installation depth, the traditional rope type lifting frame is lifted by means of a rope winding machine, the bearing capacity of the winding machine is weaker, and accidental injury is easily caused when large automobile goods are conveyed.

Therefore, a lifting device is needed to solve the above problems.

Disclosure of utility model

The utility model aims to provide a lifting device which not only ensures the lifting height, but also can avoid shaking of materials and ensure the use safety.

To achieve the purpose, the utility model adopts the following technical scheme:

Lifting device, lifting device includes:

A housing having a receiving cavity;

The lifting assembly comprises a first driving piece, a counterweight piece, a lifting rope and a storage box, wherein the first driving piece is arranged at the top of the frame, the first driving piece is provided with an output roller, the lifting rope is wound on the output roller, two ends of the lifting rope are respectively connected with the counterweight piece and the storage box, the storage box is slidably arranged in the accommodating cavity and is used for accommodating materials needing to be lifted, and the first driving piece drives the lifting rope to drive the counterweight piece and the storage box to lift or descend by driving the output roller to rotate, and the lifting box is opposite to the lifting and descending states of the counterweight piece;

Slowly fall the subassembly, slowly fall the subassembly and include the second driving piece and slowly fall the rope, the second driving piece sets up in the first side of frame, slowly fall the one end of rope around locating the output roller, slowly fall the other end of rope connect in the output of second driving piece, put the thing box when rising, slowly fall the rope twine in the number of turns increase of output roller, put the thing box when descending, slowly fall the rope twine in the number of turns decrease of output roller, the second driving piece is used for making slowly fall the rope and remain tensioning state throughout.

As an optional technical scheme, elevating gear still includes the anti-falling subassembly, the anti-falling subassembly set up in the output roller, the anti-falling subassembly is used for preventing put the thing box and fall.

As an optional technical solution, the anti-falling component includes:

The mounting seat is fixedly arranged at the top of the rack, and a clamping groove is formed in the mounting seat;

The rotating disc is arranged on the mounting seat and fixedly connected with the output roller, and the output roller can drive the rotating disc to rotate relative to the mounting seat;

The clamping assembly comprises a clamping structure and an elastic piece, the clamping structure is rotationally arranged on the rotating disc, the elastic piece is connected with the clamping structure, the clamping structure is provided with a first state separated from the clamping groove or a second state clamped with the clamping groove, the elastic piece is used for enabling the clamping structure to be switched between the first state and the second state, when the clamping structure is separated from the clamping groove, the rotating disc normally rotates, and when the clamping structure is clamped with the clamping groove, the rotating disc stops rotating.

As an optional technical scheme, the elastic component is the spring, the joint structure includes first anti-falling hook, second anti-falling hook, first connecting rod and second connecting rod, first connecting rod fixed set up in the rolling disc, the middle part of first anti-falling hook rotate set up in the one end of first connecting rod, the tail end of second anti-falling hook rotate set up in the other end of first connecting rod, the both ends of second connecting rod rotate respectively connect in the tail end of first anti-falling hook with the middle part of second anti-falling hook, first anti-falling hook second anti-falling hook first connecting rod with the second connecting rod forms quadrilateral structure, the spring housing is located first connecting rod, just the one end fixed connection of spring in first connecting rod, the other end of spring with first anti-falling hook elastic connection, the spring is used for to first anti-falling hook provides pulling force.

As an optional technical scheme, the lifting device further comprises a buffer assembly, wherein both buffer assemblies are arranged on the frame, one buffer assembly is positioned at the bottom of the counterweight and is used for buffering the counterweight; the other buffer component is positioned at the bottom of the storage box and used for buffering the storage box.

As an optional technical scheme, the buffer assembly includes buffer seat, impact piece and cushioning piece, the buffer seat is fixed to be set up in the frame, impact piece pass through cushioning piece with buffer seat elastic connection, impact piece is used for accepting the impact, cushioning piece is used for buffering the impact.

As an optional technical scheme, two spliced eyes have been seted up to the buffering seat, the impact member includes impact plate and two spliced poles, two the spliced pole set up perpendicularly in the impact plate, two the spliced pole corresponds to peg graft in two the spliced eye, the cushioning member is the cushioning spring, the one end fixed connection of cushioning spring in the end of spliced pole, the other end fixed connection of cushioning spring in the bottom of spliced eye.

As an optional technical scheme, a first rolling element is arranged on the stand, the first rolling element is arranged at the edge of the stand, and the lifting rope connected with the counterweight is wound on the first rolling element;

And/or the rack is provided with a second rolling element, the second rolling element is arranged at the edge of the rack, and the slow-falling rope is wound on the second rolling element.

As an optional technical scheme, be provided with first slide rail on the lateral wall of the second side of frame, be provided with first slider on the counterweight, first slider slip set up in first slide rail, in order will the counterweight slip set up in the frame.

As an optional technical scheme, the both sides wall of holding the chamber is provided with the second slide rail, the outer wall of putting the thing box is provided with the second slider, the second slider slip set up in the second slide rail, make put the thing box slip set up in hold the chamber.

The utility model has the beneficial effects that:

the utility model discloses a lifting device, which comprises a frame, a lifting assembly and a slow-falling assembly, wherein the lifting assembly comprises a first driving piece, a weight piece, a lifting rope and a storage box, the slow-falling assembly comprises a second driving piece and a slow-falling rope, the first driving piece is provided with an output roller, the lifting rope is wound on the output roller, two ends of the lifting rope are respectively connected with the weight piece and the storage box, the first driving piece drives the output roller to rotate, and then the weight piece and the storage box are driven to ascend or descend, and the state of the storage box and the state of the lifting of the weight piece are opposite; the both ends of slowly falling rope are connected in the output roller of first driving piece and the output of second driving piece respectively, and when the thing box was put to rise under the drive of first driving piece, slowly falling rope twined gradually in the output roller, and when the thing box was put to descend, slowly falling rope was coiled down from the output roller gradually, and the second driving piece is used for making slowly falling rope be in tensioning state all the time. This kind of elevating gear goes up and down through lifting by crane the material in the subassembly will put the thing box, and the in-process that rises slowly falls the rope and twines in the output roller gradually, and at the in-process that descends slowly falls the rope and winds down from the output roller gradually, and the second driving piece can make slowly fall the rope and be in the tensioning state all the time, can avoid putting the decline speed of thing box too fast, promotes the stability that the material goes up and down.

Drawings

Fig. 1 is a schematic structural view of a lifting device according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a lifting device according to another embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2A;

FIG. 4 is a schematic view of a part of the structure of a lifting device according to an embodiment of the present utility model;

FIG. 5 is a schematic structural view of a fall arrest assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of another perspective of the fall arrest assembly of an embodiment of the present utility model;

FIG. 7 is an exploded view of a cushioning assembly according to an embodiment of the present utility model.

In the figure:

10. A frame; 11. a receiving chamber; 12. a first rolling member; 13. a second rolling member; 14. a third rolling member; 15. a first slide rail; 16. a second slide rail;

20. A lifting assembly; 21. a first driving member; 211. an output roller; 22. a weight member; 221. a first slider; 23. a lifting rope; 24. a storage box; 241. a second slider;

30. A slow falling component; 31. a second driving member; 32. slowly dropping the rope;

40. An anti-falling assembly; 41. a mounting base; 411. a clamping groove; 42. a rotating disc; 421. a flange; 43. a clamping assembly; 431. a first anti-falling hook; 432. a second anti-falling hook; 433. a first link; 434. a second link; 44. a spring;

50. A buffer assembly; 51. a buffer seat; 511. a plug hole; 52. an impact member; 521. an impingement plate; 522. inserting a connecting rod; 53. and (5) a damping spring.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 4, in this embodiment, a lifting device is provided, the lifting device includes a frame 10, a lifting assembly 20 and a slow-falling assembly 30, the frame 10 has a receiving cavity 11, the lifting assembly 20 includes a first driving member 21, a counterweight member 22, a lifting rope 23 and a storage box 24, the first driving member 21 is disposed at the top of the frame 10, the first driving member 21 is provided with an output roller 211, the lifting rope 23 is wound around the output roller 211, two ends of the lifting rope 23 are respectively connected with the counterweight member 22 and the storage box 24, the storage box 24 is slidably disposed in the receiving cavity 11 and is used for placing a material to be lifted, the first driving member 21 drives the counterweight member 22 and the storage box 24 to rise or fall by driving the output roller 211, and the storage box 24 is opposite to the rising or falling state of the counterweight member 22; the slow-falling assembly 30 comprises a second driving piece 31 and a slow-falling rope 32, the second driving piece 31 is arranged on the first side of the frame 10, one end of the slow-falling rope 32 is wound on the output roller 211, the other end of the slow-falling rope 32 is connected to the output end of the second driving piece 31, when the storage box 24 ascends, the number of turns of the slow-falling rope 32 wound on the output roller 211 increases, when the storage box 24 descends, the number of turns of the slow-falling rope 32 wound on the output roller 211 decreases, and the second driving piece 31 is used for enabling the slow-falling rope 32 to be always kept in a tensioning state.

Specifically, in this embodiment, the first driving member 21 is disposed at the top of the frame 10, the first driving member 21 is provided with an output roller 211, the lifting rope 23 is wound on the output roller 211, two ends of the lifting rope 23 are respectively located at two sides of the output roller 211, two ends of the lifting rope 23 are respectively connected with the counterweight member 22 and the storage box 24, when the first driving member 21 rotates, the output roller 211 can be driven to rotate, the output roller 211 rotates to further drive the counterweight member 22 to rise and the storage box 24 to descend or drive the counterweight member 22 to descend and the storage box 24 to rise, so that materials can be lifted or lowered, and the lifting height of the lifting device can be adjusted according to the height of the frame 10, so that the lifting height of the lifting device has good adaptability. The weight 22 can promote stability during the lifting of the storage box 24.

One end of the slow falling rope 32 is wound on the output roller 211, the other end of the slow falling rope 32 is connected with the second driving piece 31, when the first driving piece 21 drives the output roller 211 to drive the storage box 24 to ascend, the number of turns of the slow falling rope 32 around the output roller 211 is increased, so that the storage box 24 is more stable, when the first driving piece 21 drives the output roller 211 to drive the storage box 24 to descend, the number of turns of the slow falling rope 32 around the output roller 211 is reduced, and the slow falling rope 32 is always ensured to be in a tensioning state by the second driving piece 31, so that the stability of the storage box 24 in the ascending or descending process can be improved, shaking is avoided, and the damage to materials is avoided.

Optionally, the first driving member 21 in this embodiment is a winding machine, and the winding machine can drive the output roller 211 to rotate reciprocally, so as to lift the material. In other embodiments, the first driving member 21 is a driving motor, which is not described herein.

Optionally, the second driving member 31 in this embodiment is a multi-stage hydraulic cylinder, and the slow-falling rope 32 is disposed at an output end of the multi-stage hydraulic cylinder, where the multi-stage hydraulic cylinder can drive the slow-falling rope 32 to rise or fall, so that the slow-falling rope 32 can be in a tensioning state all the time. In other embodiments, the second driving member 31 may have other structures capable of driving the end of the slow-falling rope 32 to perform a reciprocating linear motion, for example: linear guide rail slide block structure, etc., and will not be described in detail herein.

Further, as shown in fig. 5 to 6, the lifting device further includes a fall protection component 40, the fall protection component 40 is disposed on the output roller 211, and the fall protection component 40 is used for preventing the storage box 24 from falling. Specifically, in this embodiment, when the first driving member 21 fails, the falling protection assembly 40 can prevent the storage box 24 from falling, so as to ensure the conveying safety of the materials.

Further, the anti-falling assembly 40 comprises a mounting seat 41, a rotating disc 42 and a clamping assembly 43, wherein the mounting seat 41 is fixedly arranged at the top of the frame 10, and a clamping slot 411 is formed in the mounting seat 41; the rotating disc 42 is arranged on the mounting seat 41, the rotating disc 42 is fixedly connected with the output roller 211, and the output roller 211 can drive the rotating disc 42 to rotate relative to the mounting seat 41; the clamping assembly 43 comprises a clamping structure and an elastic piece, the clamping structure is rotatably arranged on the rotating disc 42, the elastic piece is connected with the clamping structure, the clamping structure is provided with a first state separated from the clamping slot 411 or a second state clamped with the clamping slot 411, the elastic piece is used for enabling the clamping structure to be switched between the first state and the second state, when the clamping structure is separated from the clamping slot 411, the rotating disc 42 normally rotates, and when the clamping structure is clamped with the clamping slot 411, the rotating disc 42 stops rotating. Specifically, in the present embodiment, the mounting seat 41 is provided with a slot 411 therein, and the rotating disc 42 is fixedly connected with the output roller 211 through a flange 421 and can rotate synchronously with the output roller 211 relative to the mounting seat 41. When the output roller 211 drives the rotating disc 42 to normally rotate, the elastic piece is in a normal state, so that the clamping assembly 43 is in a first state separated from the clamping slot 411, and the anti-falling assembly 40 is in a non-working state; when the first driving member 21 fails, the storage box 24 drops due to gravity, so that the rotation speed of the output roller 211 is increased, the elastic member can enable the clamping structure to be clamped with the clamping slot 411, the rotating disc 42 is relatively fixed with the mounting seat 41, the output roller 211 fixedly connected with the rotating disc 42 stops rotating, and the storage box 24 stops dropping, so that the safety of materials is ensured.

Further, the elastic component is spring 44, the joint structure includes first anti-falling hook 431, second anti-falling hook 432, first connecting rod 433 and second connecting rod 434, first connecting rod 433 is fixed to be set up in rotating disk 42, the middle part rotation of first anti-falling hook 431 sets up in the one end of first connecting rod 433, the tail end rotation of second anti-falling hook 432 sets up in the other end of first connecting rod 433, the both ends of second connecting rod 434 rotate respectively and connect in the tail end of first anti-falling hook 431 and the middle part of second anti-falling hook 432, first anti-falling hook 431, second anti-falling hook 432, first connecting rod 433 and second connecting rod 434 form the quadrangle structure, spring 44 overlaps and locates first connecting rod 433, and one end fixed connection of spring 44 is in first connecting rod 433, the other end and the first anti-falling hook 431 elastic connection of spring 44, spring 44 is used for providing pulling force to first anti-falling hook 431. Specifically, in this embodiment, when the rotation speed of the output roller 211 is low, the fall protection assembly 40 is in a normal state, the spring 44 provides a pulling force to the first fall protection hook 431, so that the first fall protection hook 431 is far away from the clamping slot 411, meanwhile, due to the quadrilateral structure formed by the first fall protection hook 431, the second fall protection hook 432, the first link 433 and the second link 434, the second fall protection hook 432 is also in a state far away from the clamping slot 411, when the first driving member 21 fails to cause the storage box 24 to fall rapidly, the rotation speed of the output roller 211 is accelerated, and when the centrifugal force of the output roller 211 overcomes the elasticity of the spring 44, the first fall protection hook 431 can drive the second fall protection hook 432 to spread outwards, so that the first fall protection hook 431 and the second fall protection hook 432 are clamped with the clamping slot 411 on the mounting seat 41, and thus the fall protection purpose is achieved.

Optionally, in this embodiment, the inner ring of the mounting seat 41 is provided with a plurality of clamping slots 411, so that the first anti-falling hook 431 and the second anti-falling hook 432 can be selectively clamped with the clamping slots 411 within a smaller angle range, and further the anti-falling assembly 40 has a better anti-falling effect, and the lifting safety of materials is ensured.

Further, as shown in fig. 7, the lifting device further includes a buffer assembly 50, where both buffer assemblies 50 are disposed on the frame 10, and one buffer assembly 50 is located at the bottom of the counterweight 22 and is used for buffering the counterweight 22; another cushioning assembly 50 is located at the bottom of the storage box 24 for cushioning the storage box 24. Specifically, in the present embodiment, the two buffer assemblies 50 are respectively disposed at bottoms of the weight 22 and the storage box 24, and are used for providing buffering when the weight 22 and the storage box 24 descend, so as to avoid damage to the weight 22 or the storage box 24 and materials inside the storage box 24 caused by hard contact between the weight 22 and the storage box 24 and the frame 10, and improve the use safety of the lifting device.

Further, the buffer assembly 50 includes a buffer seat 51, an impact member 52 and a buffer member, the buffer seat 51 is fixedly disposed on the frame 10, the impact member 52 is elastically connected with the buffer seat 51 through the buffer member, the impact member 52 is used for receiving impact, and the buffer member is used for buffering the impact. Specifically, in this embodiment, the buffer seat 51 is used for connecting the frame 10, so as to ensure the position stability of the buffer assembly 50, the impact member 52 is used for receiving the impact of the weight member 22 or the storage box 24, and the shock absorbing member is disposed between the buffer seat 51 and the impact member 52 and is used for buffering the shock and improving the use safety.

Further, the buffer seat 51 is provided with two insertion holes 511, the impact member 52 comprises an impact plate 521 and two insertion rods 522, the two insertion rods 522 are vertically arranged on the impact plate 521, the two insertion rods 522 are correspondingly inserted into the two insertion holes 511, the buffer member is a buffer spring 53, one end of the buffer spring 53 is fixedly connected to the tail end of the insertion rod 522, and the other end of the buffer spring 53 is fixedly connected to the bottom of the insertion hole 511. Specifically, in this embodiment, the impact member 52 includes an impact plate 521 and two plugging rods 522, where the impact plate 521 contacts with the counterweight member 22 or the storage box 24, so that impact forces can be evenly distributed to the two plugging rods 522, the two plugging rods 522 are plugged into the two plugging holes 511 respectively, the plugging holes 511 can provide guidance for the plugging rods 522, and two ends of the damping springs 53 are fixedly connected to the tail ends of the plugging rods 522 and the bottoms of the plugging holes 511 respectively, so that the damping springs 53 can provide a better damping effect for the impact forces on the plugging rods 522. In other embodiments, the number of the inserting holes 511 of the buffer seat 51 and the number of the inserting rods 522 of the impact member 52 and the number of the shock absorbing springs 53 can be specifically set according to practical use, and only the same number of the inserting holes 511 of the buffer seat 51 and the number of the inserting rods 522 of the impact member 52 and the number of the shock absorbing springs 53 need to be ensured, which can be 3, 4 or more, and will not be described herein.

Alternatively, in other embodiments, the damping assembly 50 may be a component with a damping effect, such as an air spring, which is not described herein.

Alternatively, in another embodiment, the damping member may be another kind of spring, which is not described herein.

Further, as shown in fig. 1 to 2, the frame 10 is provided with a first rolling element 12, the first rolling element 12 is arranged at the edge of the frame 10, and a lifting rope 23 connected with the counterweight 22 is wound around the first rolling element 12, so that friction between one end of the lifting rope 23 connected with the counterweight 22 and the frame 10 is avoided; and/or, the frame 10 is provided with a second rolling element 13, the second rolling element 13 is arranged at the edge of the frame 10, and the slow-falling rope 32 is wound on the second rolling element 13, so that friction between the slow-falling rope 32 and the frame 10 is avoided. Specifically, in this embodiment, the edge of the frame 10 is provided with the first rolling element 12 and the second rolling element 13, and the first rolling element 12 and the second rolling element 13 are located at two ends of the first driving element 21, the first rolling element 12 is used for preventing the lifting rope 23 from rubbing against the frame 10, so as to lift the service life of the lifting rope 23, and by setting the first rolling element 12, the sliding friction between the lifting rope 23 and the frame 10 is changed into the rolling friction between the lifting rope 23 and the first rolling element 12, so as to lift the lifting efficiency of the lifting rope 23, reduce the output of the first driving element 21, and save cost and energy; the second rolling element 13 is used for preventing the slow-falling rope 32 from rubbing with the frame 10, so that the service life of the slow-falling rope 32 is prolonged, and the sliding friction between the slow-falling rope 32 and the frame 10 is changed into the rolling friction between the slow-falling rope 32 and the second rolling element 13 by arranging the second rolling element 13, so that the efficiency of the slow-falling rope 32 is improved, the output of the second driving element 31 is reduced, and the cost and energy are saved.

Optionally, the second driving member 31 in this embodiment is a multi-stage hydraulic cylinder, the multi-stage hydraulic cylinder is fixed on the frame 10, and the output end of the multi-stage hydraulic cylinder is upward along the vertical direction, so that the third rolling member 14 is further disposed on the frame 10, the third rolling member 14 is disposed below the second rolling member 13, and the slow-falling rope 32 is wound on the third rolling member 14, so that the slow-falling rope 32 extends along the side surface of the frame 10, which is convenient for the second driving member 31 to pull the slow-falling rope 32 along the vertical direction, and can avoid the slow-falling rope 32 occupying too much space, and causing interference to surrounding personnel.

Preferably, the first rolling member 12, the second rolling member 13, and the third rolling member 14 in the present embodiment are all rollers. In other embodiments, the first rolling member 12, the second rolling member 13, and the third rolling member 14 may be other components having the same effect, for example: rollers, pulleys, etc., are not described in detail herein.

Further, as shown in fig. 1, 2 and 4, a first sliding rail 15 is disposed on a side wall of the second side of the frame 10, a first sliding block 221 is disposed on the weight 22, and the first sliding block 221 is slidably disposed on the first sliding rail 15, so as to dispose the weight 22 on the frame 10. In particular, in the present embodiment, such an arrangement can provide guidance for the weight 22, avoid rattling of the weight 22, and can promote the service life of the weight 22.

Further, the two side walls of the accommodating cavity 11 are provided with second sliding rails 16, the outer wall of the storage box 24 is provided with second sliding blocks 241, and the second sliding blocks 241 are slidably arranged on the second sliding rails 16, so that the storage box 24 is slidably arranged in the accommodating cavity 11. In particular, in this embodiment, the arrangement can provide guidance for the storage box 24, promote stability of the storage box 24, ensure lifting stability of the material, and avoid shaking of the storage box 24.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. Lifting device, its characterized in that, lifting device includes:

A housing (10), the housing (10) having a receiving cavity (11);

The lifting assembly (20), lifting assembly (20) include first driving piece (21), counter weight piece (22), lifting rope (23) and put thing box (24), first driving piece (21) set up in the top of frame (10), first driving piece (21) are provided with output roller (211), lifting rope (23) are around locating output roller (211), the both ends of lifting rope (23) are connected respectively counter weight piece (22) with put thing box (24), put thing box (24) slide set up in hold chamber (11) for place the material that needs to go up and down, first driving piece (21) through the drive output roller (211) rotate and drive lifting rope (23) drive counter weight piece (22) with put thing box (24) rise or descend, just put thing box (24) with counter weight piece (22) rise, the state of descending is opposite.

Slowly fall subassembly (30), slowly fall subassembly (30) including second driving piece (31) and slowly fall rope (32), second driving piece (31) set up in the first side of frame (10), slowly fall one end of rope (32) around locating output roller (211), slowly fall the other end of rope (32) connect in the output of second driving piece (31), put during thing box (24) rise, slowly fall rope (32) twine in the number of turns of output roller (211) increases, put during thing box (24) decline, slowly fall rope (32) twine in the number of turns of output roller (211) reduces, second driving piece (31) are used for making slowly fall rope (32) remain tensioning state throughout.

2. The lifting device according to claim 1, further comprising a fall protection assembly (40), the fall protection assembly (40) being arranged to the output roller (211), the fall protection assembly (40) being adapted to prevent the drop of the storage box (24).

3. Lifting device according to claim 2, characterized in that the fall arrest assembly (40) comprises:

The mounting seat (41), the mounting seat (41) is fixedly arranged at the top of the frame (10), and a clamping groove (411) is formed in the mounting seat (41);

the rotating disc (42), the rotating disc (42) is installed on the installation seat (41), the rotating disc (42) is fixedly connected with the output roller (211), and the output roller (211) can drive the rotating disc (42) to rotate relative to the installation seat (41);

The clamping assembly (43), the clamping assembly (43) comprises a clamping structure and an elastic piece, the clamping structure rotates and sets up in the rotating disc (42), the elastic piece with the clamping structure is connected, the clamping structure have with the first state of draw-in groove (411) separation or with the second state of draw-in groove (411) joint, the elastic piece is used for making the clamping structure switch between the first state with the second state, the clamping structure with when draw-in groove (411) separation, the rotating disc (42) normally rotates, the clamping structure with when draw-in groove (411) joint, the rotating disc (42) stops rotating.

4. The lifting device according to claim 3, wherein the elastic member is a spring (44), the clamping structure comprises a first falling preventing hook (431), a second falling preventing hook (432), a first connecting rod (433) and a second connecting rod (434), the first connecting rod (433) is fixedly arranged on the rotating disc (42), the middle part of the first falling preventing hook (431) is rotationally arranged at one end of the first connecting rod (433), the tail end of the second falling preventing hook (432) is rotationally arranged at the other end of the first connecting rod (433), two ends of the second connecting rod (434) are respectively rotationally connected to the tail end of the first falling preventing hook (431) and the middle part of the second falling preventing hook (432), the first falling preventing hook (431), the second falling preventing hook (432), the first connecting rod (433) and the second connecting rod (434) form a quadrilateral structure, the spring (44) is sleeved on one end of the first connecting rod (433), and the two ends of the spring (432) are fixedly connected to the first connecting rod (431) and the other end (433), and the spring (431) is used for providing tension force for the first falling preventing hook (44).

5. The lifting device according to claim 2, further comprising a buffer assembly (50), both buffer assemblies (50) being arranged on the frame (10), wherein one buffer assembly (50) is located at the bottom of the weight (22) for buffering the weight (22); the other buffer component (50) is positioned at the bottom of the storage box (24) and is used for buffering the storage box (24).

6. The lifting device according to claim 5, wherein the buffer assembly (50) comprises a buffer seat (51), an impact member (52) and a buffer member, the buffer seat (51) is fixedly arranged on the frame (10), the impact member (52) is elastically connected with the buffer seat (51) through the buffer member, the impact member (52) is used for receiving impact, and the buffer member is used for buffering the impact.

7. The lifting device according to claim 6, wherein the buffer seat (51) is provided with two insertion holes (511), the impact member (52) comprises an impact plate (521) and two insertion rods (522), the two insertion rods (522) are vertically arranged on the impact plate (521), the two insertion rods (522) are correspondingly inserted into the two insertion holes (511), the buffer member is a buffer spring (53), one end of the buffer spring (53) is fixedly connected to the tail end of the insertion rod (522), and the other end of the buffer spring (53) is fixedly connected to the bottom of the insertion hole (511).

8. Lifting device according to claim 1, characterized in that the frame (10) is provided with a first rolling element (12), the first rolling element (12) is arranged at the edge of the frame (10), and the lifting rope (23) connected with the counterweight (22) is wound around the first rolling element (12);

And/or the frame (10) is provided with a second rolling element (13), the second rolling element (13) is arranged at the edge of the frame (10), and the slow falling rope (32) is wound on the second rolling element (13).

9. The lifting device according to claim 8, characterized in that a first sliding rail (15) is provided on a side wall of the second side of the frame (10), a first sliding block (221) is provided on the weight (22), and the first sliding block (221) is slidably provided on the first sliding rail (15) so as to slidably provide the weight (22) on the frame (10).

10. Lifting device according to any one of claims 1-9, characterized in that the two side walls of the accommodating cavity (11) are provided with second slide rails (16), the outer wall of the storage box (24) is provided with second slide blocks (241), and the second slide blocks (241) are slidably arranged on the second slide rails (16), so that the storage box (24) is slidably arranged in the accommodating cavity (11).