CN219652600U - Lifting machine - Google Patents

Abstract

The utility model relates to the technical field of automatic machinery, in particular to a lifting machine, which comprises: the lifting tray comprises a traction mechanism, a lifting tray and a support, wherein materials are placed on a base, a rotating rod at the top of the support is driven to rotate clockwise or anticlockwise through a traction motor arranged at the top of the support, then the rotating rod drives the lifting tray below the traction mechanism to ascend or descend, namely, the rotating rod drives the traction frame to ascend or descend, meanwhile, the base ascends or descends along with the traction frame, the whole lifting machine in the process that the materials are lifted or lowered is stressed uniformly, so that stable operation of the lifting machine is ensured, in addition, the traction mechanism can drive the lifting tray to exert force uniformly by arranging the quantity of the rotating rod, the counterweight mechanism and the traction frame, meanwhile, a plurality of limit rollers are arranged on the traction frame, and can enable the limit rollers to slide upwards or downwards along a guide rail on the support, so that the lifting tray is prevented from shaking when ascending or descending, and the lifting tray is further applied to an operation scene of heavy and large-scale materials.

Description

Lifting machine

Technical Field

The utility model relates to the technical field of automatic machinery, in particular to a lifting machine.

Background

Conventional material handling is typically accomplished by personnel, forklifts, and the like, which are time consuming and labor intensive, and for this reason, various types of material handling automation equipment are available on the market.

The disclosed technology 1 (CN 115611193 a) mainly discloses a method for detachably connecting an objective table, a guide mechanism, an upright post and the like, so that the elevator is convenient to be detached for maintenance, and the disclosed technology 2 (CN 218261785U) mainly discloses a method for observing the distance that a first support rod is retracted into a second support rod during use to judge whether the weight is overweight.

Therefore, the above disclosed technology has simple structure, can only load materials with smaller weight and size, and can not guarantee stability in the lifting process.

Disclosure of Invention

The utility model aims to provide a hoisting machine so as to solve the technical problems mentioned in the background art.

In order to achieve the above object, the present utility model discloses a hoist comprising: traction mechanism, promotion tray and support, traction mechanism sets up at the support top, and traction mechanism rotates with the promotion tray to be connected, and traction mechanism is located and promotes the tray top, and traction mechanism includes traction motor and dwang, and traction motor fixes at the support top, and dwang rotatable setting is at the support top, and traction motor and dwang rotate to be connected, promotes the tray and includes base and traction frame, and traction frame sets up on the base, and traction frame rotates with the dwang to be connected.

Further, a first rotating wheel is arranged on the traction motor, a second rotating wheel and a third rotating wheel are arranged on the rotating rod, the first rotating wheel is rotationally connected with the second rotating wheel, and the third rotating wheel is rotationally connected with the traction frame.

Further, the side face of the bracket is also provided with a counterweight mechanism, the counterweight mechanism comprises a counterweight frame and a traction rod arranged on the counterweight frame in a sliding manner, the counterweight frame is fixed on the side face of the bracket, and the traction rod, the third rotating wheel and the traction frame are connected in a rotating manner.

Further, the left end and the right end of the rotating rod are respectively provided with a third rotating wheel, the left side and the right side of the base are respectively provided with a traction frame, and the third rotating wheels at the two ends of the rotating rod are respectively connected with the traction frames at the two sides of the base in a rotating way.

Optionally, the number of the rotating rods is two, the number of the first rotating wheels on the traction motor is two, and the second rotating wheel on each rotating rod is correspondingly connected with one of the first rotating wheels on the traction motor in a rotating way.

Optionally, the counter weight mechanism is four in number, and sets up respectively in the left and right sides of support, is equipped with two pulling-on pieces on every traction frame, and every pulling-on piece corresponds with one of them third rotation wheel to and correspond one of them traction lever rotation connection.

Further, the traction frame is also provided with a plurality of limit rollers, the support is provided with guide rails matched with the limit rollers, the number of the guide rails is four, and each guide rail is provided with at least one limit roller.

Further, still be equipped with first limiting plate between limiting roller and the traction frame, the top of every guide rail still is equipped with the second limiting plate, and the second limiting plate is located the top of first limiting plate.

Optionally, a plurality of travel switches are further arranged on the support.

Optionally, the counterweight mechanism further comprises a plurality of counterweights, and the counterweights are arranged on the traction rod in a penetrating manner.

Compared with the prior art, the elevator has the following advantages:

1. the elevator includes: traction mechanism, promotion tray and support place the material on the base, drive the dwang at support top through the traction motor that sets up at the support top and clockwise or anticlockwise rotate, and then drive the promotion tray that is located traction mechanism below by the dwang and rise or descend, drive traction frame by the dwang promptly and rise or descend, the base rises or descends along with traction frame simultaneously, can make the material by lifting or the in-process whole lifting machine atress that reduces even to guarantee the steady operation of lifting machine.

2. On the one hand, the number of the rotating rods is two, the number of the counterweight mechanisms is four, the traction frames are arranged on two sides of the base, so that the traction mechanisms can drive the lifting tray to exert force evenly, and on the other hand, the traction frames are provided with a plurality of limiting rollers, the limiting rollers can slide upwards or downwards along the guide rails on the support, and the lifting tray can be prevented from shaking when ascending or descending, so that the lifting tray can be applied to the operation scene of heavy and large-scale materials.

Drawings

Fig. 1 is a schematic diagram of a front view of a hoist according to an embodiment of the present utility model.

Fig. 2 is a schematic main structure of a hoist according to an embodiment of the present utility model.

Fig. 3 is a schematic diagram of a top structure of a hoist according to an embodiment of the present utility model.

Fig. 4 is a schematic diagram of a main structure of a hoist according to another embodiment of the present utility model.

Fig. 5 is a schematic view of a traction frame body structure according to an embodiment of the utility model.

Wherein, 1, a traction mechanism, 11, a traction motor, 111, a first rotating wheel, 12, a rotating rod, 121, a second rotating wheel, 122, a third rotating wheel, 2, a lifting tray, 21, a base, 22, a traction frame, 221 and a traction sheet, 222, limit rollers, 223, a first limit plate, 3, a bracket, 31, a guide rail, 311, a second limit plate, 312, a travel switch, 4, a counterweight mechanism, 41, a counterweight frame, 42, a traction rod, 43 and a counterweight.

Detailed Description

The technical scheme of the utility model is explained in detail by specific examples.

Examples

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the utility model, fall within the scope of protection of the utility model.

A hoist according to an embodiment of the present utility model is described in detail below with reference to the accompanying drawings.

Referring to fig. 1, a hoist according to an embodiment of the present utility model includes: traction mechanism 1, promote tray 2 and support 3, traction mechanism 1 sets up at the support 3 top, traction mechanism 1 rotates with promotes tray 2 to be connected, and traction mechanism 1 is located and promotes tray 2 top, traction mechanism 1 includes traction motor 11 and dwang 12, traction motor 11 fixes at the support 3 top, dwang 12 rotatable setting is at the support 3 top, traction motor 11 rotates with dwang 12 to be connected, promote tray 2 and include base 21 and traction frame 22, traction frame 22 sets up on base 21, traction frame 22 rotates with dwang 12 to be connected.

In this embodiment, a material is placed on the base 21, the traction motor 11 arranged on the top of the support 3 drives the rotating rod 12 on the top of the support 3 to rotate clockwise or anticlockwise, and then the rotating rod 12 drives the lifting tray 2 below the traction mechanism 1 to ascend or descend, that is, the rotating rod 12 drives the traction frame 22 to ascend or descend, and meanwhile, the base 21 ascends or descends along with the traction frame 22, so that the whole hoisting machine is stressed uniformly in the process of lifting or lowering the material, stable operation of the hoisting machine is ensured, and in order to be applied to the operation scene of heavy and large-scale materials, the stress ranges of the traction motor 11 and the rotating rod 12 of the traction mechanism 1 and the stress ranges of the base 21 and the traction frame 22 of the lifting tray 2 can be adjusted.

In addition, the traction motor 11 and the rotating rod 12 are rotationally connected, and the traction frame 22 and the rotating rod 12 are rotationally connected, either by a chain connection rotation mode or a gear connection rotation mode, or by a common combination connection rotation mode of a chain and a gear, or by any other mechanical rotation mode, which is not described in detail herein, and the base 21 of the lifting tray 2 can be a structure such as a conveying roller, a conveying belt, a conveying motor, etc., so that the material can be placed on the base 21 to move up and down, and can be conveyed in the horizontal direction.

Referring to fig. 2-3, in an elevator according to an embodiment of the present utility model, a traction motor 11 is provided with a first rotating wheel 111, a rotating rod 12 is provided with a second rotating wheel 121 and a third rotating wheel 122, the first rotating wheel 111 is rotatably connected with the second rotating wheel 121, and the third rotating wheel 122 is rotatably connected with a traction frame 22.

For example, the first rotating wheel 111 of the traction motor 11 and the second rotating wheel 121 on the rotating rod 12 are provided with chains to realize rotational connection, so that the rotating rod 12 is driven to rotate clockwise or anticlockwise when the traction motor 11 rotates clockwise or anticlockwise, and the third rotating wheel 122 on the rotating rod 12 and the traction frame 22 are provided with chains to realize rotational connection, so that the traction frame 22 is driven to ascend or descend when the rotating rod 12 rotates clockwise or anticlockwise.

In an embodiment, the side of the bracket 3 is further provided with a weight mechanism 4, the weight mechanism 4 comprises a weight frame 41 and a traction rod 42 slidably arranged on the weight frame 41, the weight frame 41 is fixed on the side of the bracket 3, and the traction rod 42, the third rotating wheel 122 and the traction frame 22 are rotatably connected.

For example, the chain is wound around the third rotating wheel 122, and one end of the chain is fixed to the traction rod 42 of the weight mechanism 4, and the other end is fixed to the traction frame 22, and when the third rotating wheel 122 rotates clockwise, the traction rod 42 descends while the traction frame 22 ascends, or when the third rotating wheel 122 rotates counterclockwise, the traction rod 42 ascends while the traction frame 22 descends, and it is seen that the traction frame 22 slides on the weight frame 41 through the traction rod 42, thereby achieving the purpose of lifting or lowering the traction frame 22.

In an embodiment, the rotating rod 12 is provided with a third rotating wheel 122 at the left and right ends, the base 21 is provided with a traction frame 22 at the left and right sides, and the third rotating wheels 122 at the two ends of the rotating rod 12 are respectively connected with the traction frames 22 at the two sides of the base 21 in a rotating way.

For example, the third rotating wheel 122 on the left side of the rotating rod 12 is rotationally connected with the traction frame 22 on the left side of the base 21, and the third rotating wheel 122 on the right side of the rotating rod 12 is rotationally connected with the traction frame 22 on the right side of the base 21, so that the uniformity of stress can be ensured, and the stable operation process can be ensured.

In one embodiment, the number of the rotating rods 12 is two, and the number of the first rotating wheels 111 on the traction motor 11 is two, and the second rotating wheel 121 on each rotating rod 12 is correspondingly and rotatably connected with one of the first rotating wheels 111 on the traction motor 11.

For example, one rotating rod 12 is respectively arranged at the front side and the rear side of the traction motor 11, and two first rotating wheels 111 are arranged on the traction motor 11 at the same time, wherein one first rotating wheel 111 of the traction motor 11 is rotationally connected with the second rotating wheel 121 of the rear rotating rod 12, so that the rear rotating rod 12 is driven to rotate, the other first rotating wheel 111 of the traction motor 11 is rotationally connected with the second rotating wheel 121 of the front rotating rod 12, and meanwhile, the front rotating rod 12 is driven to rotate, so that the acting force of the elevator is increased.

In an embodiment, the number of the weight balancing mechanisms 4 is four, and the weight balancing mechanisms are respectively arranged at the left side and the right side of the bracket 3, and each traction frame 22 is provided with two traction pieces 221, and each traction piece 221 is correspondingly and rotatably connected with one of the third rotating wheels 122 and one of the traction rods 42.

For example, two weight-balancing mechanisms 4 are disposed on the left and right sides of the bracket 3, and two traction pieces 221 are disposed on the traction frame 22 on each side, so that 4 sets of rotation connection structures composed of one weight-balancing mechanism 4, one end of one rotating rod 12 and one end of one base 21 are realized, namely, a 1 st set of rotation connection structure composed of a traction rod 42 of one weight-balancing structure with the left side of the bracket 3 being forward, a third rotating wheel 122 of the left end of one rotating rod 12 with the top of the bracket 3 being forward, and one traction piece 221 of one traction frame 22 with the left side of the base 21 being forward.

In an embodiment, the counterweight mechanism 4 further includes a plurality of counterweights 43, and the counterweights 43 are disposed on the traction rod 42 in a penetrating manner. In practice, the number of weights 43 can be set according to the weight of the transported material, thereby ensuring balance of the elevator.

Referring to fig. 4-5, the traction frame 22 is further provided with a plurality of limiting rollers 222, the support 3 is provided with four guide rails 31 matched with the limiting rollers 222, and each guide rail 31 is provided with at least one limiting roller 222.

In this embodiment, the shape of the guide rail 31 is set to be a cuboid structure, four guide rails 31 are vertically arranged at four corners of the support 3, 24 plurality of limit rollers 222 are arranged on the traction frame 22 and correspond to the guide rails 31 in position, so that four groups of up-down sliding structures consisting of one guide rail 31 and 6 limit rollers 222 can be obtained, namely, one guide rail 31 is respectively arranged in front of and behind the left side of the support 3, one guide rail 31 is respectively arranged in front of and behind the right side of the support 3, the first surface of the guide rail 31 is in contact with the support 3, and a plurality of limit rollers 222 can slide up and down in other three surfaces, so that the limit rollers 222 can directly upwards or downwards along the direction of the guide rail 31, and further the traction frame 22 is prevented from shaking in the ascending or descending process.

In an embodiment, a first limiting plate 223 is further disposed between the limiting roller 222 and the traction frame 22, and a second limiting plate 311 is further disposed on top of each guide rail 31, where the second limiting plate 311 is located above the first limiting plate 223.

The first limiting plate 223 may not only play a role of fixing the limiting roller 222, but also limit the rising height of the traction frame 22 when contacting with the first limiting plate 223.

Referring to fig. 2 and 4, in one embodiment, a plurality of travel switches 312 are further provided on the stand 3.

For example, two travel switches 312 are arranged on the right side of the bracket 3 along the vertical direction, the two travel switches 312 are positioned on the right side of the traction frame 22, and meanwhile, the distance between the two travel switches 312 is smaller than the height of the guide rail 31, so that the traction frame 22 can be controlled to ascend or descend, and the ascending or descending height of the traction frame 22, namely, the ascending or descending height of the material, can be detected through a sensor on the travel switch 312.

It should be noted that, the number of structures such as the first rotating wheel 111, the second rotating wheel 121, the third rotating wheel 122, and the rotating rod 12 in the embodiment of the present utility model only represents the optimal number according to the functions, and in the actual use scenario, the number of structures may be set according to the acting force of the working scenario, for example, the material weight, the material volume, and the material quality of the elevator structure.

In addition, the support 3 can be designed according to the position and the quantity of each structure in the lifting machine, and the like, and a frame structure is formed by intersecting a plurality of transverse rods and vertical rods, so that the installation of each structure is convenient, meanwhile, in order to protect each structure and prevent personnel from entering by mistake, a corresponding shell can be arranged to protect the lifting machine, in order to reduce inertial damage to the lifting machine in the lifting and descending processes of heavy objects, a buffer structure can be further arranged at the bottom of the support 3, and in order to conveniently adjust the height of the lifting machine, a height adjusting structure can be arranged on the support 3.

While the foregoing is directed to the preferred embodiments of the present utility model, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. A hoist, comprising: the lifting device comprises a traction mechanism, a lifting tray and a bracket, wherein the traction mechanism is arranged at the top of the bracket, the traction mechanism is rotationally connected with the lifting tray, and the traction mechanism is positioned above the lifting tray;

the traction mechanism comprises a traction motor and a rotating rod, the traction motor is fixed at the top of the bracket, the rotating rod is rotatably arranged at the top of the bracket, and the traction motor is rotatably connected with the rotating rod;

the lifting tray comprises a base and a traction frame, wherein the traction frame is arranged on the base and is rotationally connected with the rotating rod.

2. The hoisting machine of claim 1 wherein the traction motor is provided with a first rotating wheel, the rotating rod is provided with a second rotating wheel and a third rotating wheel, the first rotating wheel is rotatably connected with the second rotating wheel, and the third rotating wheel is rotatably connected with the traction frame.

3. The elevator of claim 2, wherein the side of the frame is further provided with a weight mechanism, the weight mechanism comprising a weight frame and a traction rod slidably disposed on the weight frame, the weight frame being secured to the side of the frame, the traction rod, the third rotatable wheel and the traction frame being rotatably coupled.

4. A hoisting machine as claimed in claim 3, characterized in that the turning bars are provided with a third turning wheel at both left and right ends, the base is provided with a traction frame at both left and right sides, and the third turning wheels at both ends of the turning bars are respectively connected with the traction frames at both sides of the base in a turning manner.

5. The hoisting machine of claim 4 wherein there are two rotating levers and two first rotating wheels on the traction motor, and the second rotating wheel on each rotating lever is correspondingly rotatably connected with one of the first rotating wheels on the traction motor.

6. The elevator of claim 5, wherein the number of the weight balancing mechanisms is four, the weight balancing mechanisms are respectively arranged at the left side and the right side of the bracket, two traction pieces are arranged on each traction frame, and each traction piece is correspondingly in rotary connection with one of the third rotary wheels and one of the traction rods.

7. The elevator of claim 6, wherein the traction frame is further provided with a plurality of limit rollers, the support is provided with guide rails matched with the limit rollers, the number of the guide rails is four, and each guide rail is provided with at least one limit roller.

8. The elevator of claim 7, wherein a first stop plate is further disposed between the stop roller and the traction frame, a second stop plate is further disposed on top of each guide rail, and the second stop plates are located above the first stop plates.

9. The elevator of claim 8, wherein the support is further provided with a plurality of travel switches.

10. The hoisting machine of claim 6 wherein the counterweight mechanism further comprises a plurality of counterweights, the counterweights being disposed through the traction rod.