CN220976439U

CN220976439U - Chain type lifting equipment

Info

Publication number: CN220976439U
Application number: CN202420819719.7U
Authority: CN
Inventors: 曾洁; 王楠; 冯亨; 张芝林; 史立军
Original assignee: Chengdu Fengke Biotechnology Co ltd
Current assignee: Chengdu Fengke Biotechnology Co ltd
Priority date: 2024-04-19
Filing date: 2024-04-19
Publication date: 2024-05-17
Anticipated expiration: 2034-04-19

Abstract

The utility model relates to the technical field of lifting equipment, in particular to chain type lifting equipment which comprises a mounting frame and a chain transmission mechanism arranged on the mounting frame; the installation frame is provided with a guide support piece sliding along the vertical direction, and the guide support piece is movably provided with a lifting platform; the chain transmission mechanism comprises a driving mechanism and two transmission chain wheels, the output end of the driving mechanism is fixed with one of the transmission chain wheels, and a lifting chain is wound between the two transmission chain wheels; the outside of promotion chain is equipped with the installed part, and the installed part passes through bearing assembly and promotes the platform rotation and be connected. The lifting platform is movably connected with the guide supporting piece and is rotationally connected with the bearing assembly fixed on the mounting piece, under the condition that the motor is not stopped, automatic reversing is realized in the process of lifting chain circulation rotation, uniform-speed transportation of materials is realized, the requirements on motor performance and the possibility of motor damage are reduced, and the cost of enterprise production equipment is reduced.

Description

Chain type lifting equipment

Technical Field

The utility model relates to the technical field of lifting equipment, in particular to chain type lifting equipment.

Background

In the mushroom production process, the whole frame mushroom bottle or raw materials need to be vertically transmitted to meet production requirements, the existing lifting machine is generally used for transferring, and the existing lifting equipment adopts hydraulic lifting, screw rod nut lifting or chain lifting.

The chain type lifting is usually applied to a bucket elevator, and the working principle is that a chain is wound around an upper driving chain wheel and a lower chain wheel, and the driving chain wheel drives a traction member and a hopper to perform rotary circulating motion under the action of a driving device. By adopting the mode, when the chain passes through the arc-shaped part of the chain wheel of the upper driving chain wheel or the lower chain wheel, the hopper can be overturned, and the materials in the hopper are poured out.

There is also a hoist that drives the transmission chain to rotate circularly through the motor, and lifts and conveys the tray fixed on the transmission chain, so as to meet the conveying requirement of the product, for example, chinese patent document with publication number CN102556584a discloses a hoist, and the above patent document also records that the motor is a variable frequency motor. By adopting the mode, the tray and the transmission chain are fixed, the tray needs to be moved up and down, and the motor needs to drive the transmission chain to rotate positively and negatively in a circulating way, namely the transmission chain needs to rotate reversely. The motor needs frequent starting and stopping, at the moment of starting and stopping, the material on the tray can shake, the possibility of material damage is increased, and larger current is needed at the moment of starting, so that the influence on other electrical equipment can be caused. Moreover, the starting torque is about twice of the rated torque, so that gear abrasion, even tooth beating, belt abrasion, even breakage and the like can be accelerated, and the cost of a motor with better performance is relatively high, so that the production equipment cost of enterprises is greatly increased; and when the transmission chain rotates positively and reversely, a section of the transmission chain fixed with the tray is not contacted with the chain wheel all the time, and the abrasion of a section contacted with the chain wheel for a long time is aggravated and is easy to break.

Disclosure of utility model

In order to solve the technical problems, the utility model provides chain type lifting equipment, which is characterized in that a lifting platform is movably connected with a guide supporting piece and is rotatably connected with a bearing assembly fixed on a mounting piece, so that a motor is not stopped, the lifting platform realizes automatic reversing in the process of circularly rotating a lifting chain, uniform-speed transportation of materials is realized, the requirements on motor performance and the possibility of motor damage are reduced, and the cost of production equipment of enterprises is reduced.

The utility model provides chain type lifting equipment for solving the technical problems, which comprises a mounting frame and a chain transmission mechanism arranged on the mounting frame; the chain transmission mechanism comprises a driving mechanism and two transmission chain wheels, wherein the output end of the driving mechanism is fixed with one of the transmission chain wheels, and a lifting chain is wound between the two transmission chain wheels; the mounting frame is provided with a guide support sliding along the vertical direction, and the guide support is provided with a lifting platform in a sliding manner; the lifting chain is provided with a mounting piece, and the mounting piece is rotationally connected with the lifting platform through a bearing assembly.

Further, the installation frame comprises a base and a plurality of guide rods vertically installed on the base, the guide support piece comprises a guide block which is arranged on the guide rod in a sliding mode, a support plate is arranged on the guide block, a limiting plate is arranged on the support plate, a yielding slide hole is formed in the limiting plate, and the bearing assembly movably penetrates through the yielding slide hole and is connected with the lifting platform.

Further, the central axis direction of the abdication sliding hole is perpendicular to the transmission direction of the lifting chain.

Further, the lifting chain is composed of a plurality of chain links, the mounting piece is arranged on one of the chain links, the mounting piece comprises mounting plates arranged on two sides of the chain links and a connecting plate fixed with one end, close to the lifting chain, of the bearing assembly, and the connecting plate is fixed with the mounting plates through bolts.

Further, the bearing assembly comprises a shaft rod movably penetrating through the yielding slide hole and a first bearing arranged on the shaft rod, the first bearing is connected with the lifting platform, and the other end of the shaft rod is connected with the mounting piece.

Further, a second bearing is further arranged on the shaft rod, a shaft sleeve is arranged on the second bearing, a limiting ring is fixed on the shaft sleeve, and the limiting ring is located on one side, far away from the lifting platform, of the limiting plate.

Further, the driving mechanism is fixed on the base through a mounting frame, a top plate is fixed on the top of the guide rod, a hanging bracket is arranged on the top plate, and one of the driving chain wheels is rotatably arranged on the hanging bracket.

Further, a baffle plate is further arranged on the lifting platform.

The utility model has the beneficial effects that the installation frame is used for supporting the components such as the chain transmission mechanism, the guide supporting piece, the lifting platform and the like, and the chain transmission mechanism is used for driving the lifting platform to lift. The chain transmission mechanism comprises a driving mechanism and two driving chain wheels, wherein the output end of the driving mechanism is fixed with one of the driving chain wheels, a lifting chain is wound between the two driving chain wheels, and when the driving mechanism drives one of the driving chain wheels to rotate, the driving chain wheel drives the other driving chain wheel to rotate through the lifting chain, so that the lifting chain circularly rotates between the two driving chain wheels. The installation frame is provided with the guide supporting piece sliding along the vertical direction, the guide supporting piece can support and limit the lifting platform, and the lifting of the lifting platform can be guided, so that the stability is improved.

The outside of promotion chain is equipped with the installed part and is used for being connected with the promotion platform, and the installed part passes through bearing assembly and is connected with the promotion platform rotation, makes the promotion platform along with the installed part rise, when going to the arc department of two drive sprocket, promotes the chain and can not block. When the lifting chain circularly rotates, the mounting piece drives the lifting platform to lift through the bearing assembly, and meanwhile, the guide supporting piece lifts on the mounting frame along with the lifting platform. When the mounting position moves to the arc of two drive sprocket, the mounting moves along with the motion of lifting chain round drive sprocket's circumference direction, finally moves to the opposite side from one side of drive sprocket, because lifting platform slides and sets up on direction support piece this moment, can drive lifting platform and slide on direction support piece and step down when the mounting removes to because rotate through bearing assembly between mounting and the lifting platform and be connected, make rotatable between mounting and the lifting platform, lifting platform can not overturn along with the mounting rotates, can not take place to interfere with between the direction support piece, guarantee lifting platform's stability.

In summary, according to the utility model, the lifting platform is movably connected with the guide supporting member and is rotatably connected with the bearing assembly fixed on the mounting member, the driving mechanism drives the lifting chain to rotate on the two driving sprockets in a circulating manner, the mounting member moves along with the rotation of the lifting chain, the lifting platform moves up and down along with the movement of the mounting member, the mounting member can rotate with the lifting platform through the bearing assembly when the mounting member moves to the arc-shaped position of the driving chain along with the movement of the lifting chain, and the mounting member drives the lifting platform to displace on the guide supporting member, so that the mounting member is prevented from being blocked due to the limitation of the lifting platform. The lifting platform can realize automatic reversing in the cyclic rotation process of the lifting chain, the reversing is not needed to be realized by depending on the forward rotation and the reverse rotation of the motor, the motor is not needed to be started or stopped frequently, the driving mechanism only needs to realize the cyclic rotation of the lifting chain, the requirement on the performance of the motor and the possibility of damage of the motor are reduced, the control is simple, and the production equipment cost of enterprises is reduced; the lifting chain can not be suddenly started or stopped, the circulating rotation speed of the lifting chain is stable, the lifting platform can move at a uniform speed, and the transportation stability is high; promote chain circulation and drive sprocket contact, also make the wearing and tearing of promoting the chain even, reduce the possibility of promoting the local fracture of chain, prolong the life who promotes the chain, further reduce the production facility cost of enterprise.

The utility model will be further described with reference to the drawings and the specific examples.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the bearing assembly of the present utility model;

fig. 3 is an enlarged detail view of a of fig. 1.

In the accompanying drawings: 1-mounting frame, 11-base, 12-guide bar, 13-top plate, 14-mounting frame, 15-hanger, 2-chain transmission mechanism, 21-driving mechanism, 22-driving sprocket, 23-lifting chain, 3-guiding support, 31-guiding block, 32-supporting plate, 33-limiting plate, 331-yielding slide hole, 4-lifting platform, 41-baffle, 5-mounting piece, 51-mounting plate, 52-connecting plate, 53-bolt, 6-bearing component, 61-shaft lever, 62-first bearing, 63-second bearing, 64-shaft sleeve, 65-limiting ring.

Detailed Description

Specific embodiments of the present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 3, the present utility model provides an embodiment of a chain type lifting apparatus.

A chain type lifting device comprises a mounting frame 1 and a chain transmission mechanism 2 arranged on the mounting frame 1; the installation frame 1 is used for supporting components such as a chain transmission mechanism 2, a guide supporting piece 3, a lifting platform 4 and the like, and the chain transmission mechanism 2 is used for driving the lifting platform 4 to lift.

The chain transmission mechanism 2 comprises a driving mechanism 21 and two transmission chain wheels 22, wherein the output end of the driving mechanism 21 is fixed with one of the transmission chain wheels 22, and a lifting chain 23 is wound between the two transmission chain wheels 22; when the driving mechanism 21 drives one of the driving sprockets 22 to rotate, the driving sprocket 22 drives the other driving sprocket 22 to rotate through the lifting chain 23, so that the lifting chain 23 circularly rotates between the two driving sprockets 22.

The installation frame 1 is provided with the guide supporting piece 3 sliding along the vertical direction, the guide supporting piece 3 can support and limit the lifting platform 4, and can guide the lifting of the lifting platform 4, so that the stability is improved.

The guide support 3 is slidably provided with a lifting platform 4, and further, the guide support 3 can be provided with a sliding block, and the lifting platform 4 can be provided with a sliding groove matched with the sliding block. The lifting chain 23 is provided with the mounting piece 5, the mounting piece 5 is rotationally connected with the lifting platform 4 through the bearing assembly 6, so that the bearing mounting piece 5 and the lifting platform 4 can rotate, and the lifting chain 23 cannot be blocked when the mounting piece 5 moves to the arc-shaped part of the transmission chain.

In this way, the driving mechanism 21 may adopt a common motor, so long as one of the driving sprockets 22 can be driven to rotate, and when the driving sprocket 22 connected with the driving mechanism 21 rotates, the other driving sprocket 22 is driven to rotate by the lifting chain 23, and the lifting chain 23 circularly rotates on the two driving sprockets 22. In the process, the mounting piece 5 moves along with the movement of the lifting chain 23, the mounting piece 5 moves to drive the lifting platform 4 to move up and down on the mounting frame 1 through the bearing assembly 6, and also drives the guide support piece 3 to move up and down on the mounting frame 1, so that the up and down transportation of materials is realized. When the position of the mounting piece 5 moves to the arc-shaped position of the driving sprocket 22, the mounting piece 5 moves along with the movement of the lifting chain 23 around the circumferential direction of the driving sprocket 22, and finally moves from one side of the driving sprocket 22 to the other side, as the lifting platform 4 is connected with the guiding support piece 3 in a sliding manner, the mounting piece 5 is connected with the lifting platform 4 through the bearing assembly 6, and when the mounting piece 5 passes through the arc-shaped position, the lifting platform 4 is driven to slide on the guiding support piece 3, and meanwhile, the mounting piece 5 and the lifting platform 4 relatively rotate, so that the lifting platform 4 is prevented from overturning under the action of the driving chain, and can always keep a horizontal state. Namely, only through the arrangement of the mechanical mechanism, the reversing is realized without depending on the forward rotation and the reverse rotation of the motor, and further, the motor is not required to be started and stopped frequently, the lifting platform 4 can automatically move up and down for reversing in the circulating rotation process of the lifting chain 23, the operation of other control systems is not required, and the control is simple. The requirements on the motor performance and the possibility of motor damage are reduced, and the production equipment cost of enterprises is reduced; the circulating rotation speed of the lifting chain 23 is stable, the lifting platform 4 can move at a uniform speed, and the transportation stability is high; the lifting chain 23 is circularly contacted with the driving chain wheel 22, so that the abrasion of the lifting chain 23 is uniform, the possibility of local fracture of the lifting chain 23 is reduced, the service life of the lifting chain 23 is prolonged, and the production equipment cost of enterprises is further reduced.

In some embodiments, the mounting frame 1 includes a base 11 and a plurality of guide rods 12 vertically mounted on the base 11, and a top plate 13 is fixed on top of the guide rods 12. Preferably, the guide rods 12 are provided with four groups, which are respectively fixed at four corners of the base 11 to ensure the stability of the mounting frame 1. The driving mechanism 21 is fixed on the base 11 through the mounting frame 14, an output shaft of the driving mechanism 21 is fixed with one of the driving chain wheels 22, the top plate 13 is provided with a hanging frame 15, the other driving chain wheel 22 is rotatably arranged on the hanging frame 15, the two driving chain wheels 22 are positioned between the two guide rods 12 on the same side of the mounting frame 1, one end face of each driving chain wheel 22 faces the direction of the lifting platform 4, and when the driving direction of the lifting chain 23 is consistent with the extending direction of the corresponding guide rod 12, the two sides of the lifting chain 23 can be connected with the lifting platform 4 in the up-down circulating rotation process.

Further, the guide support 3 includes a guide block 31 slidably provided on the guide rod 12, and a support plate 32 is provided on the guide block 31. Wherein, the guide blocks 31 may be provided in plurality, for example, when the guide blocks 31 are provided in two, the two guide blocks 31 may be provided on the adjacent two sets of guide rods 12, respectively, both ends of the support plate 32 may be fixed on the two guide blocks 31, or the two guide blocks 31 may be provided on the diagonally arranged two sets of guide rods 12, and the diagonal of the support plate 32 may be fixed with the guide blocks 31; when the guide blocks 31 are four, they may be disposed on the four sets of guide rods 12, respectively, and four corners of the support plate 32 are fixed to the guide blocks 31.

In the present embodiment, the guide blocks 31 are provided in two, and are slidably provided on the adjacent two sets of guide rods 12, and both ends of the support plate 32 are fixed to the two guide blocks 31.

The support plate 32 is provided with a limit plate 33, the limit plate 33 is arranged on one side close to the transmission chain, the support plate 32 and the limit plate 33 are integrally formed, and the section of the support plate is L-shaped. The supporting plate 32 supports the lifting platform 4, and the lifting platform 4 is matched with the mounting piece 5 through the limiting plate 33. The limiting plate 33 is provided with a yielding sliding hole 331, the yielding sliding hole 331 is a strip-shaped hole, the axial direction of the limiting plate is perpendicular to the transmission direction of the lifting chain 23, and the radial width of two end parts of the yielding sliding hole 331 is larger than the width of the middle part.

During the use, for guaranteeing the stability of material, can make the material put into or take off at the in-process that lifting platform 4 stabilized down or upwards moved, under the circumstances of avoiding lifting platform 4 to carry the thing, the setting element 5 drives lifting platform 4 when bypassing drive sprocket 22 and removes the condition on direction support piece 3, for further guaranteeing the stability of material on lifting platform 4, lifting platform 4 is close to one side of limiting plate 33 and is equipped with the riser, still is equipped with baffle 41 on the lifting platform 4, baffle 41 locate with the adjacent one side of riser and lie in lifting platform 4's direction of movement, when avoiding lifting platform 4 to remove, the material drops from lifting platform 4.

One end of the bearing assembly 6 is connected with the mounting piece 5, and the other end movably passes through the yielding slide hole 331 to be connected with a vertical plate of the lifting platform 4. The setting of slide hole 331 of stepping down not only steps down for the removal of bearing assembly 6, and accessible bearing assembly 6 makes lift platform 4 become an organic whole with direction support piece 3, makes its mutual limitation, and then avoids mounting 5 to move to the arc department of drive sprocket 22 along with lifting chain 23, and lift platform 4 overturns along with mounting 5, guarantees the stability of the horizontality of lift platform 4.

In some embodiments, the bearing assembly 6 is detachably fixed to the mounting member 5, so that the chain or the lifting platform 4 can be replaced and maintained. The lifting chain 23 comprises a plurality of chain links, the mounting piece 5 is arranged on one of the chain links, the mounting piece 5 comprises mounting plates 51 arranged on two sides of the chain link and a connecting plate 52 fixed with one end of the bearing assembly 6, which is close to the lifting chain 23, and the connecting plate 52 is fixed with the mounting plates 51 through bolts 53. Wherein, the mounting plates 51 and the chain plates of the chain links are integrally formed, the extending ends of the two mounting plates 51 are arranged oppositely, and the connecting plate 52 and the bearing assembly 6 are welded and fixed.

Further, the bearing assembly 6 includes a shaft 61 movably passing through the yielding slide hole 331 and a first bearing 62 disposed on the shaft 61, the first bearing 62 is connected with the lifting platform 4, the other end of the shaft 61 is connected with the mounting member 5, the shaft 61 is used for connecting the connecting plate 52 with the lifting platform 4, and the first bearing 62 is disposed to enable the lifting platform 4 and the mounting member 5 to be rotatable. Through bearing connection, the torsion resistance and the radial force resistance are improved, and the connection stability between the mounting piece 5 and the lifting platform 4 is ensured. Further, the shaft 61 is further provided with a second bearing 63, the second bearing 63 is provided with a shaft sleeve 64, a limiting ring 65 is fixed on the shaft sleeve 64, and the limiting ring 65 is located at one side of the limiting plate 33 away from the lifting platform 4. The arrangement of the limiting rings 65 prevents the shaft rod 61 from moving in a serial manner towards the lifting platform 4, so that the stability of the lifting chain 23 during circulating rotation is ensured.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The chain type lifting equipment is characterized by comprising a mounting frame (1) and a chain transmission mechanism (2) arranged on the mounting frame (1); the chain transmission mechanism (2) comprises a driving mechanism (21) and two transmission chain wheels (22), wherein the output end of the driving mechanism (21) is fixed with one of the transmission chain wheels (22), and a lifting chain (23) is wound between the two transmission chain wheels (22); a guide support (3) sliding along the vertical direction is arranged on the mounting frame (1), and a lifting platform (4) is arranged on the guide support (3) in a sliding manner; the lifting chain (23) is provided with a mounting piece (5), and the mounting piece (5) is rotationally connected with the lifting platform (4) through a bearing assembly (6).

2. Chain type lifting device according to claim 1, characterized in that the mounting frame (1) comprises a base (11) and a plurality of guide rods (12) vertically mounted on the base (11), the guide support (3) comprises guide blocks (31) slidably arranged on the guide rods (12), the guide blocks (31) are provided with support plates (32), the support plates (32) are provided with limiting plates (33), the limiting plates (33) are provided with yielding slide holes (331), and the bearing assembly (6) movably penetrates through the yielding slide holes (331) to be connected with the lifting platform (4).

3. Chain-type lifting device according to claim 2, characterized in that the central axis direction of the yielding slide hole (331) is arranged perpendicular to the transmission direction of the lifting chain (23).

4. Chain type lifting device according to claim 2, characterized in that the lifting chain (23) consists of a plurality of chain links, the mounting piece (5) is arranged on one of the chain links, the mounting piece (5) comprises mounting plates (51) arranged on two sides of the chain link and a connecting plate (52) fixed with the bearing assembly (6) near one end of the lifting chain (23), and the connecting plate (52) and the mounting plates (51) are fixed through bolts (53).

5. Chain lifting device according to claim 2, characterized in that the bearing assembly (6) comprises a shaft (61) which is movable through the yielding slide hole (331) and a first bearing (62) provided on the shaft (61), the first bearing (62) being connected with the lifting platform (4), the other end of the shaft (61) being connected with the mounting (5).

6. Chain type lifting device according to claim 5, characterized in that the shaft lever (61) is further provided with a second bearing (63), the second bearing (63) is provided with a shaft sleeve (64), a limiting ring (65) is fixed on the shaft sleeve (64), and the limiting ring (65) is located on one side of the limiting plate (33) far away from the lifting platform (4).

7. Chain type lifting device according to claim 2, characterized in that the driving mechanism (21) is fixed on the base (11) through a mounting frame (14), a top plate (13) is fixed on the top of the guide rod (12), a hanging bracket (15) is arranged on the top plate (13), and one of the driving chain wheels (22) is rotatably arranged on the hanging bracket (15).

8. Chain-type lifting device according to claim 1, characterized in that the lifting platform (4) is further provided with a baffle (41).