CN220316995U - Cargo lifting device - Google Patents

Abstract

The utility model relates to a cargo lifting device, which comprises a cargo platform; the lifting assembly is provided with two groups, the two groups of lifting assemblies are oppositely arranged, the lifting assembly comprises a driving device and a movable frame, the cargo platform is arranged between the two groups of lifting assemblies, the two side surfaces of the cargo platform are fixedly arranged with the movable frame, and the movable frame drives the cargo platform to vertically slide through the driving device; and the protection component is arranged at a cargo inlet and outlet of a preset floor height of the building and comprises a guardrail and a jacking rod, the jacking rod is fixedly connected to the lower surface of the guardrail corresponding to the movable frame, the bottom of the jacking rod horizontally extends to the position right above the movable frame, and when the movable frame moves to the preset floor height, the movable frame jacks up the protection component. One purpose of an embodiment of the present utility model is to avoid personnel falling from the portal, improving safety.

Description

Cargo lifting device

Technical Field

The present disclosure relates generally to the field of lifting device technology, and more particularly to a cargo lifting device.

Background

A guide rail type hydraulic lifting goods elevator is a non-scissor type hydraulic lifting goods elevator, which is a very wide-range vertical goods transportation device. The hydraulic lifting goods elevator is driven by the motor to drive the oil pump and the heavy chain to drive the hydraulic lifting goods elevator by the oil cylinder, and has the characteristics of large carrying capacity, stable lifting and the like due to the adoption of hydraulic lifting power, and is widely applied to vertical transportation of goods between high-rise buildings.

For example, the utility model of application number CN202122934759.5 discloses a hydraulic lifting goods lift with a goods fixing mechanism, in particular to the technical field of lifting goods lifts, which comprises two support bases, wherein the top ends of the support bases are provided with hydraulic lifting rods for hydraulic lifting, the top ends of the hydraulic lifting rods are connected with a pushing support plate, the bottom ends of the pushing support plate are positioned between the two hydraulic lifting rods, a goods transporting lift car is arranged between the two hydraulic lifting rods, and one side of the inner wall of the goods transporting lift car is embedded with the fixing mechanism; the fixing mechanism comprises a bidirectional driving screw rod which is embedded and installed on one side of the inner wall of the freight car.

Although the technical scheme solves the technical difficulty in the prior art that goods are transported from a low building layer to a high building layer, the technical scheme has the defect that the danger that workers fall from an import and export of the high building layer is easy to occur because of no protective measures.

Disclosure of Invention

It is an object of one embodiment of the present utility model to provide a cargo lifting device to avoid personnel falling from the access opening and to improve safety.

In one aspect, a cargo lifting device is described that includes a cargo platform configured to carry a cart that can be loaded with cargo; the lifting assembly is configured to drive the goods platform to vertically lift, two groups of lifting assemblies are arranged oppositely, the lifting assembly comprises a driving device and a movable frame, the goods platform is arranged between the two groups of lifting assemblies, two side surfaces of the goods platform are fixedly installed with the movable frame, and the movable frame drives the goods platform to vertically slide through the driving device; and the protection component is arranged at a cargo inlet and outlet of a preset floor height of the building and comprises a guardrail and a jacking rod, the jacking rod is fixedly connected to the lower surface of the guardrail corresponding to the movable frame, the bottom of the jacking rod horizontally extends to the position right above the movable frame, and when the movable frame moves to the preset floor height, the movable frame jacks up the protection component.

Preferably, the lifting assembly further comprises a balancing assembly for keeping the movable frame in balance in movement, the balancing assembly moves along with the movement of the movable frame, and the movement direction of the balancing assembly is opposite to that of the movable frame.

Preferably, the lifting assembly further comprises a buffer column arranged at a preset height corresponding to the upper surface and the lower surface of the movable frame and the balance assembly.

Preferably, the lifting assembly further comprises a limiting device and a limiting plate, wherein the limiting device is arranged on the side part of the movable frame, and the limiting plate is fixedly arranged at the preset height positions on the upper side and the lower side of the limiting device.

Preferably, the protection assembly further comprises a guide rod, the guide rod is relatively fixed, a sleeve rod is fixedly connected to the outer side of the guardrail, and the sleeve rod is sleeved on the outer side of the guide rod and keeps sliding relatively with the guide rod.

Preferably, the guide bar has a horizontally extending stop bar.

The utility model has the following advantages:

under normal condition, the utility model discloses a protection component establishes in the lower part of predetermineeing the high access & exit of layer, can prevent to fall carelessly at the staff of high floor, when drive arrangement drives the vertical rising of goods platform to predetermineeing the layer height, the upper surface of fly frame acts on protection component's jacking rod, jack-up the guardrail, at this moment, the staff can shift out the goods, when realizing that the goods transports to the high-rise of building from the building low level, has improved the safety protection nature of goods transportation.

Through the buffer column of preset height in the movable frame upper and lower side, flexible and have elastic buffer column can reduce the impact that the movable frame received to reduce the vibration that the movable frame received, improve stability.

When the movable frame moves, the weight of the goods platform is balanced through the balance component, the energy consumption of the driving device is reduced, and the movement stability is improved.

Through the cooperation of stop device and limiting plate, after stop device touches the limiting plate, drive arrangement stops the motion, makes the goods platform stop immediately, improves the reliability of device.

Drawings

Fig. 1 illustrates a schematic structural view of a lifting device;

FIG. 2 illustrates a schematic view of a lifting assembly of the lifting device shown in FIG. 1;

FIG. 3 illustrates a front view of the lift assembly of FIG. 2;

FIG. 4 illustrates a side view of the lift assembly of FIG. 2;

FIG. 5 illustrates a schematic view of the structure of the protective assembly of the lifting device shown in FIG. 1;

fig. 6 illustrates a schematic view of the structure of the guide bar in the guard assembly of fig. 5.

Detailed Description

Reference will now be made in detail to the exemplary embodiments illustrated in the drawings. It should be understood that the following description is not intended to limit the embodiments to one preferred embodiment. On the contrary, it is intended to cover alternatives, modifications and equivalents as may be included within the spirit and scope of the embodiments as defined by the appended claims.

Fig. 1 illustrates a cargo lifting device that may be improved by incorporating embodiments of the utility model. As with the other figures included, this figure is shown for illustrative purposes and is not limiting of the possible embodiments of the utility model or the claims.

The drawing comprises a cargo lifting device, which comprises a cargo platform 400, lifting assemblies 300 and a protection assembly 200, wherein the lifting assemblies 300 are arranged in two groups, the lifting assemblies 300 are arranged in two groups oppositely, and the protection assembly 200 is arranged at a cargo inlet and outlet of a preset building layer.

As shown in fig. 2 to 4, the lifting assembly 300 includes a driving device 306, a movable frame 303, a balancing assembly 308 and a vertical frame 301, the cargo platform 400 is disposed between the two groups of lifting assemblies 300, two sides of the lifting assembly are fixedly mounted with the movable frame 303, two sides of the movable frame 303 are provided with pulley blocks 305 which clamp the outer edge of the vertical frame 301, pulleys of the pulley blocks 305 are always contacted with the outer edge surface of the vertical frame 301, the balancing assembly 308 is the same as the movable frame 303, the pulley blocks 305 are also disposed at the outer side of the balancing assembly 308, the pulley blocks 305 clamp the inner edge of the vertical frame, the pulleys of the pulley blocks 305 are always contacted with the inner edge surface of the vertical frame 301, a sprocket is mounted at the top of the vertical frame 301, the sprocket is mounted at the output end of the driving device 306, a chain 304 is wound around the outer side of the sprocket, one end of the chain 304 is fixedly connected with the movable frame, and the other end of the chain 304 is fixedly connected with the balancing assembly, wherein the driving device includes but is not limited to a servo motor, a stepping motor or other devices capable of driving the sprocket to rotate.

As shown in fig. 5, the protection assembly includes a guard rail 202 and a lifting rod 201, the lifting rod 201 is fixedly connected to the lower surface of the guard rail 202 corresponding to the position of the movable frame 303, the bottom of the lifting rod 201 horizontally extends to the position right above the movable frame 303, and when the movable frame 303 moves to a preset floor height, the movable frame 303 lifts the protection assembly 200.

As shown in fig. 1, the protection component is arranged at the lower part of the preset layer height entrance and exit, so that workers on high floors can be prevented from carelessly falling, the vertical frame of the lifting component is fixedly arranged in the cargo lifting channel of the building 100, the workers push the trolley loaded with cargoes to the cargo platform at the bottom layer, the driving device 306 drives the cargo platform to vertically lift, when the trolley is lifted to the preset layer height, the upper surface of the movable frame acts on the lifting rod of the protection component to jack up the guardrail, at the moment, the workers can remove cargoes, and the safety protection of the cargoes is improved when the cargoes are transported from the low layer of the building to the high layer of the building. When the balance component moves on the movable frame, the weight of the cargo platform is balanced, the energy consumption of the driving device is reduced, and the movement stability is improved.

To reduce the shock received by the movable frame 303, the vibration received by the movable frame is reduced, and the stability is improved. Buffer columns 302 corresponding to the upper and lower surfaces of the movable frame and the balance component are fixedly arranged at the top and the bottom of the stand 301.

In order to improve the reliability of the device, a limiting device 307 is fixedly installed on the side of the movable frame 303, and a limiting plate 306 is fixedly installed at a preset height position of the vertical frame. Through the cooperation of stop device and limiting plate, after stop device touches the limiting plate, drive arrangement stops the motion, makes the goods platform stop immediately, improves the reliability of device.

As shown in fig. 6, the protection assembly 200 further includes a guide rod 204, the guide rod 204 is relatively fixedly installed on a preset floor level of the building cargo, a sleeve rod 203 is fixedly connected to the outer side of the guardrail 202, and the sleeve rod 203 is sleeved on the outer side of the guide rod 204 and keeps sliding relatively with the guide rod 204. The guide bar 203 has a horizontally extending stop bar 205. The installation of guardrail and building is realized through the guide bar, simultaneously, the guide bar can be to the motion direction of guardrail, and the gag lever post 205 that the guide bar bottom level extends can restrict the decline height of guardrail, makes it keep in predetermineeing the access & exit lower part of layer height when normal condition.

The foregoing description of embodiments of the utility model has been presented for the purposes of illustration and description. It is not intended to be exhaustive and does not limit the utility model to the precise form described; numerous modifications and variations are possible in light of the above teachings. The embodiments were chosen and described in order to best explain the principles of the utility model and its practical application, to thereby enable others skilled in the art to best utilize the utility model in various embodiments and with various modifications as are suited to the particular use contemplated. It is therefore to be understood that the utility model is intended to cover all modifications and equivalents that fall within the scope of the appended claims.

Claims (6)

1. A cargo lifting device, comprising

A cargo platform configured to carry a cart capable of carrying cargo;

the lifting assembly is configured to drive the goods platform to vertically lift, two groups of lifting assemblies are arranged oppositely, the lifting assembly comprises a driving device and a movable frame, the goods platform is arranged between the two groups of lifting assemblies, two side surfaces of the goods platform are fixedly installed with the movable frame, and the movable frame drives the goods platform to vertically slide through the driving device; and

the protection component is arranged at a cargo inlet and outlet of a preset floor height of a building and comprises a guardrail and a jacking rod, the jacking rod is fixedly connected to the lower surface of the guardrail corresponding to the movable frame, the bottom of the jacking rod horizontally extends to the position right above the movable frame, and when the movable frame moves to the preset floor height, the movable frame jacks up the protection component.

2. A cargo lifting device according to claim 1, wherein the lifting assembly further comprises a balancing assembly for balancing the movement of the movable frame, the balancing assembly moving with the movement of the movable frame and the direction of movement of the balancing assembly being opposite to the direction of movement of the movable frame.

3. The lifting device of claim 2, wherein the lifting assembly further comprises a buffer column disposed at a predetermined height corresponding to the upper and lower surfaces of the movable frame and the balance assembly.

4. The lifting device of claim 1, wherein the lifting assembly further comprises a limiting device and a limiting plate, the limiting device is mounted on the side portion of the movable frame, and the limiting plate is fixedly arranged at a preset height position on the upper side and the lower side of the limiting device.

5. The cargo lifting device according to claim 1, wherein the protective assembly further comprises a guide bar, the guide bar is relatively fixed, a sleeve bar is fixedly connected to the outer side of the guard rail, and the sleeve bar is sleeved on the outer side of the guide bar and keeps sliding relatively with the guide bar.

6. The cargo lifting device of claim 5 wherein the guide bar has a horizontally extending stop bar.