CN220845383U - Stacker maintenance device - Google Patents

Abstract

The utility model belongs to the technical field of maintenance equipment, and discloses a stacker maintenance device, which includes a base, a maintenance platform, a first telescopic rod, a second telescopic rod and a lifting drive member, wherein the maintenance platform is located above the base; the first telescopic rod and the second telescopic rod are both installed on the base along the Y-axis direction, and the first telescopic rod and the second telescopic rod are spaced apart along the X-axis direction at opposite sides of the base and fixedly connected to the base; the lifting drive member can drive the first telescopic rod and the second telescopic rod to synchronously extend and retract to drive the maintenance platform to rise and fall. The first telescopic rod and the second telescopic rod can support opposite sides of the maintenance platform, thereby improving the stability and safety performance of the maintenance platform.

Description

Stacker maintenance equipment

Technical Field

The utility model relates to the technical field of maintenance equipment, in particular to a stacker maintenance device.

Background technique

As the shelves used to store products are designed to be higher and higher, high-bay stackers are widely used. High-bay stackers can put products on or take them off high-bay shelves. In order to ensure the smooth progress of production, the maintenance of high-bay stackers is a top priority.

At present, there are mainly two types of devices used to repair overhead stackers: one is a ladder and platform installed on the frame of the overhead stacker. It is difficult for personnel to climb up the ladder with large maintenance supplies, and safety is difficult to ensure; the other is a single-mast aluminum alloy lifting platform. Although the lifting platform can be automatically raised and lowered, it only supports one side of the maintenance platform. When the load is too heavy, it will shake, and safety is difficult to ensure.

Utility Model Content

The utility model aims to provide a stacker maintenance device which can drive maintenance personnel to stably lift and lower and has high safety performance.

To achieve this purpose, the utility model adopts the following technical solutions:

A stacker maintenance device comprises a base, a maintenance platform, a first telescopic rod, a second telescopic rod and a lifting drive, wherein the maintenance platform is located above the base; the first telescopic rod and the second telescopic rod are arranged at intervals on both sides of the base along the X-axis direction, and the two ends of the first telescopic rod extending along the Y-axis direction are respectively connected to the base and the maintenance platform; the two ends of the second telescopic rod extending along the Y-axis direction are respectively connected to the base and the maintenance platform; the lifting drive can drive the first telescopic rod and the second telescopic rod to synchronously extend and retract to drive the maintenance platform to rise and fall;

The Y-axis is a vertical direction, and the X-axis is a horizontal direction perpendicular to the Y-axis.

Preferably, the lifting drive member is connected to the first telescopic rod, the first telescopic rod is telescoped under the action of the lifting drive member, and the second telescopic rod is telescoped under the drive of the maintenance platform.

Preferably, at least two second telescopic rods are provided, and at least two second telescopic rods are spaced apart at opposite sides of the base along a Z-axis direction, and the Z-axis is a horizontal direction perpendicular to the X-axis.

Preferably, the first telescopic rod includes a fixed mast and a first-level lifting mast, the fixed mast is vertically mounted on the base, the first-level lifting mast is slidably connected to the fixed mast along the vertical direction, and one end of the first-level lifting mast close to the base is connected to the output end of the lifting drive member.

Preferably, the first telescopic rod also includes a secondary lifting mast, a first steering wheel, a second steering wheel and a transmission chain, one end of the secondary lifting mast is slidably connected to the primary lifting mast, the other end of the secondary lifting mast is fixedly connected to the maintenance platform, the first steering wheel is rotatably connected to the primary lifting mast, the second steering wheel is rotatably connected to the secondary lifting mast, the first end of the transmission chain is fixedly connected to the fixed mast, and the second end of the transmission chain sequentially bypasses the first steering wheel and the second steering wheel and is fixedly connected to the secondary lifting mast.

Preferably, the second telescopic rod includes a fixed sleeve, a movable rod and a positioning piece, the fixed sleeve is vertically mounted on the base, one end of the movable rod is inserted into the fixed sleeve and slidably connected with the fixed sleeve, the other end of the movable rod is fixedly connected to the maintenance platform, and the positioning piece can axially position the movable rod when it is in a locked state.

Preferably, the positioning member comprises a spring steel ball, the spring steel ball is connected to one end of the movable rod close to the fixed sleeve, and one end of the fixed sleeve close to the movable rod is provided with a slot for the spring steel ball to be inserted into.

Preferably, the movable rod is composed of a plurality of stages of support rods which are sleeved in sequence, the plurality of stages of support rods are axially retractable, and the positioning member is arranged between two adjacent stages of support rods.

Preferably, the maintenance platform comprises a base plate and a guardrail, and the guardrail is arranged around the base plate.

Preferably, the guardrail comprises a guardrail body and a protective door, and the protective door is movably connected to the guardrail body.

The beneficial effects of the utility model are as follows: the stacker maintenance device in the utility model is provided with a first telescopic rod and a second telescopic rod on both sides of the maintenance platform respectively, and the first telescopic rod and the second telescopic rod can be synchronously extended and retracted under the drive of the lifting drive member, so that the relative sides of the maintenance platform are supported during the lifting movement, thereby improving the stability of the maintenance platform during the lifting movement and stationary state, and improving the safety performance.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of an overhead stacker;

2 is a schematic structural diagram of the stacker maintenance device according to an embodiment of the utility model (the first telescopic rod and the second telescopic rod are in a retracted state);

3 is a schematic structural diagram of the stacker maintenance device in an embodiment of the utility model (the first telescopic rod and the second telescopic rod are in an extended state).

In the figure: 1, base; 2, first telescopic rod; 21, fixed mast; 22, first lifting mast; 23, second lifting mast; 24, first steering wheel; 25, second steering wheel; 26, transmission chain; 3, second telescopic rod; 31, fixed sleeve; 32, movable rod; 33, positioning member; 4, maintenance platform; 41, bottom plate; 42, guardrail; 5, lifting drive member;

10. Overhead rail; 20. Ground rail; 30. Frame; 301. Upper beam; 302. Lower beam; 303. Column; 304. Pulley; 40. Lifting platform; 50. X-axis drive assembly; 60. Y-axis drive assembly; 70. Z-axis drive assembly.

Detailed ways

The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

In the description of this embodiment, the terms "upper", "lower", "left", "right", etc., and the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

First, the structure of the overhead stacker is briefly described. As shown in FIG1 , the overhead stacker includes a frame 30, a lifting platform 40, an X-axis drive assembly 50, a Y-axis drive assembly 60, and a Z-axis drive assembly 70. The X-axis, Y-axis, and Z-axis are perpendicular to each other, and the Y-axis is in the vertical direction. The frame 30 is a rectangular frame structure as a whole, including two vertically arranged columns 303 and an upper beam 301 and a lower beam 302 respectively connected to the two ends of the columns 303. The upper beam 301 and the lower beam 302 are both provided with pulleys 304. Under the action of the X-axis drive assembly 50, the frame 30 can slide along the ceiling rail 10 and the ground rail 20 arranged along the X-axis. At the same time, the lifting platform 40 can also move along the Y-axis in the Y-axis drive assembly 60. The fork on the lifting platform 40 can move along the Z-axis relative to the frame 30 under the action of the Z-axis drive assembly. The entire frame 30 is generally arranged at about 5 m, and it is difficult to perform inspection and maintenance of the overhead stacker, especially the overhead rail 10 , only by working on the ground.

Based on this, and taking safety into consideration, the utility model proposes a stacker maintenance device, which is mainly used to repair an elevated stacker. Figures 2 and 3 show a stacker maintenance device proposed in an embodiment of the utility model. The maintenance device is arranged on one side of the frame 30 of the elevated stacker, and includes a base 1, a maintenance platform 4, a first telescopic rod 2, a second telescopic rod 3, and a lifting drive 5. The base 1 serves as an installation and support base. The first telescopic rod 2 and the second telescopic rod 3 are both installed on the base 1 along the Y-axis direction. The maintenance platform 4 is located above the base 1, and the first telescopic rod 2 and the second telescopic rod 3 are arranged at intervals on opposite sides of the base 1 along the X-axis direction and are fixed to the base 1. Under the drive of the lifting drive 5, the first telescopic rod 2 and the second telescopic rod 3 can be synchronously extended to drive the maintenance platform 4 to rise and fall. The maintenance platform 4 includes a bottom plate 41 and a guardrail 42 arranged around the bottom plate 41. Maintenance personnel can repair the stacker in the operating space formed by the guardrail 42. In order to provide maintenance personnel with a certain amount of space for activities, the bottom plate 41 is configured as a square with a length and width of 650 mm*650 mm, and the height of the guardrail 42 is 1000 mm.

The first telescopic rod 2 and the second telescopic rod 3 are respectively connected to the two sides of the maintenance platform 4. The first telescopic rod 2 and the second telescopic rod 3 can be synchronously extended and retracted under the drive of the lifting drive member 5, so that the opposite sides of the maintenance platform 4 are supported, thereby improving the stability and safety performance of the maintenance platform 4.

In this embodiment, the number of the second telescopic rods 3 is two, and the two second telescopic rods 3 are arranged at intervals along the Z-axis direction at the bottom of the maintenance platform 4. The two second telescopic rods 3 and the first telescopic rod 2 form a triangular structure, which can more stably support the maintenance platform. In order to reduce the maintenance cost, the first telescopic rod 2 is an active telescopic rod, and the lifting drive 5 is connected to the first telescopic rod 2. Under the action of the lifting drive 5, the first telescopic rod is extended and retracted, and the second telescopic rod 3 is a driven telescopic rod. When the first telescopic rod 2 is extended and retracted, it drives the maintenance platform 4 to rise and fall, and the maintenance platform 4 drives the second telescopic rod 3 to passively extend and retract. In other embodiments, the number of the second telescopic rods 3 can be any number greater than 2.

Optionally, the first telescopic rod 2 includes a fixed mast 21 and a first-level lifting mast 22, the fixed mast 21 is vertically installed on the base 1, the first-level lifting mast 22 is provided with a first slider, the first slider is embedded in a first track groove provided on the fixed mast 21, the first-level lifting mast 22 is slidably connected with the fixed mast 21 along the vertical direction through the first slider and the first track groove, and the output end of the lifting drive 5 is connected to one end of the first-level lifting mast 22 close to the base 1, thereby pushing the first-level lifting mast 22 to rise and fall.

The second telescopic rod 3 includes a fixed sleeve 31, a movable rod 32 and a positioning member 33. The fixed sleeve 31 is vertically installed on the base 1. One end of the movable rod 32 is inserted into the fixed sleeve 31 and slidably connected with the fixed sleeve 31, and the other end is fixedly connected to the bottom surface of the bottom plate 41 of the maintenance platform 4. When the positioning member 33 is in a locked state, the movable rod 32 can be axially limited.

In this embodiment, the lifting drive member 5 is an electric cylinder, one end of which is fixed on the base 1, and the other end is fixed to one end of the first-stage lifting mast 22 close to the base 1. The stroke of the existing electric cylinder is limited, and it is difficult to raise the maintenance platform to the height of the overhead rail 10 of the overhead stacker. Based on this, the first telescopic rod 2 also includes a secondary lifting mast 23. The lengths of the fixed mast 21, the first lifting mast 22 and the second lifting mast 23 are all 2m. The second lifting mast 23 is provided with a second slider. The first lifting mast 22 is provided with a second track groove on the side facing away from the fixed mast 21. The second slider is embedded in the second track groove. The secondary lifting mast 23 and the first lifting mast 22 are slidably connected with the second track groove through the second slider. The maintenance platform 4 is fixedly connected to the secondary lifting mast 23. The first end of the first lifting mast 22 away from the base 1 is rotatably installed with a first steering wheel 24. The second end of the secondary lifting mast 23 close to the base 1 is installed with a second steering wheel 25. The first steering wheel 24 and the second steering wheel 25 are connected by a transmission chain 26. The first end of the transmission chain 26 is fixedly connected to the fixed mast 21, and the second end is fixedly connected to the secondary lifting mast 23 by bypassing the first steering wheel 24 and the second steering wheel 25 in sequence.

When the electric cylinder drives the first-stage lifting mast 22 to rise and fall, the distance between the first steering wheel 24 and the first end of the transmission chain 26 changes. Since the total length of the transmission chain 26 remains unchanged, the distance between the second steering wheel 25 and the second end of the transmission chain 26 also remains unchanged. Therefore, the distance between the first steering wheel 24 and the second steering wheel 25 will inevitably change. The second-stage lifting mast 23 also generates a lifting movement synchronous with the first-stage lifting mast 22 relative to the first-stage lifting mast 22. Combined with the movement of the first-stage lifting mast 22, the lifting stroke of the second-stage lifting mast 23 and the maintenance platform 4 fixed to the second-stage lifting mast 23 is twice that of the first-stage lifting mast 22.

Taking the rising of the first-stage lifting mast 22 as an example, assuming that the total length of the transmission chain 26 is L, the initial length of the portion of the transmission chain 26 from the first end to the portion connected to the first steering wheel 24 is s ₁ , and the length of the portion of the transmission chain 26 from the second end to the portion connected to the second steering wheel 25 is s ₂ , then the length of the portion of the transmission chain 26 from the first steering wheel 24 to the second steering wheel 25 is l=Ls ₁ -s ₂ , and the first-stage lifting mast 22 drives the first steering wheel 24 to move upward by h, then l=L-(s ₁ +h)-s ₂ , that is, the distance between the first steering wheel 24 and the second steering wheel 25 is reduced by h, so the second-stage lifting mast 23 rises relative to the first-stage lifting mast 22 and the rising height is consistent with the rising height of the first-stage lifting mast 22. In other embodiments, the number of the first-stage lifting masts 22 can be any number, the number of the second-stage lifting masts 23 can be any number, or a third-stage lifting mast, a fourth-stage lifting mast, etc. can be provided, and the first-stage lifting mast and the second-stage lifting mast are connected to each other by a transmission mechanism that is the same as the first steering wheel 24, the second steering wheel 25 and the transmission chain 26 or a different transmission mechanism. In other embodiments, the first telescopic rod 2 can also adopt a telescopic ladder, which belongs to the prior art and will not be further described here.

Based on the setting of 5m height of the stacker, the electric cylinder uses an electric cylinder with a stroke of 2m and a load capacity of 1000kg, which is sufficient to bear the weight of the maintenance platform 4 itself as well as the weight of the maintenance personnel and common maintenance tools. It should be taken into account that in order to facilitate the maintenance personnel to enter the maintenance platform 4, the initial height of the maintenance platform 4 cannot be too high. Based on the height of ordinary people, the initial height of the maintenance platform 4 is set to 500mm, so the electric cylinder needs to use a multi-stage electric cylinder to meet the stroke requirement of the maintenance platform 4. At the same time, the length of the second telescopic rod 3 when it is in a retracted state cannot be greater than 500mm, that is, the length of the fixed sleeve 31 and the movable rod 32 cannot be longer than 500mm. Therefore, the movable rod 32 is composed of several levels of support rods that are sleeved in sequence, namely, the first-level support rod, the second-level support rod..., except for the last-level support rod connected to the maintenance platform 4, the front-level support rods are all set to be hollow, and the rear-level support rods are inserted into the previous-level support rods in sequence and slidably sleeved with the previous-level support rods, that is, the axial extension between the several-level support rods is retractable. In other embodiments, the number of levels of support rods can be any number above 2.

Considering the convenience of operation and to ensure the personal safety of maintenance personnel, a control panel is set on the maintenance platform. The control panel includes at least control buttons for controlling the extension and retraction of the electric cylinder and an emergency stop button. The control voltage is DC24V, which can effectively ensure the safety of operators. In addition, the electric cylinder also has a power-off self-locking function, which can prevent the maintenance platform from falling rapidly during a power outage.

The guardrail 42 surrounded on all sides includes a guardrail body and a protective door, and the protective door is movably connected to the guardrail body to facilitate maintenance personnel to enter the maintenance space. For example, the protective door is hinged to the guardrail body, and in order to improve the safety of maintenance personnel during high-altitude operations, a latch is provided on the guardrail body, and a socket for the latch to be inserted is provided on the guardrail body. When the latch is inserted into the socket, the guardrail body is relatively stationary.

The first telescopic rod 2 and the second telescopic rod 3 are both selected according to the load-bearing capacity of 1000kg. The masts of each level (including the fixed mast 21) in the first telescopic rod 2 can be selected from wide profiles of 200*95, and the movable rod 32 at the last level of the second telescopic rod 3 is selected from a columnar profile with a diameter of 40mm, and the diameter of the previous movable rod 32 is larger than the diameter of the next movable rod 32. Furthermore, the first telescopic rod 2 and the second telescopic rod 3 are both made of aluminum alloy, which is light and high in strength.

In this embodiment, the positioning member 33 includes a spring steel ball, which is installed on the outer wall of each level of the active rod 32 and is used in conjunction with the slot hole set on the inner wall of the fixed sleeve 31 or the previous level of the support rod, that is, the above-mentioned spring steel ball is set between the two adjacent levels of the support rod. When the spring steel ball moves to correspond to the slot hole, under the action of elastic potential energy, the spring steel ball is locked in the slot hole to achieve the locking position, and the maintenance platform 4 is supported. Exemplarily, the diameter of the spring steel ball is 10mm. Obviously, the above-mentioned embodiment of the utility model is only an example made to clearly illustrate the utility model, and is not a limitation on the implementation method of the utility model. For ordinary technicians in the relevant field, various obvious changes, readjustments and substitutions can be made without departing from the protection scope of the utility model. It is not necessary and impossible to list all the implementation methods here. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the claims of the utility model.

Claims (10)

1. Stacker maintenance device, its characterized in that includes:

A base (1);

a maintenance platform (4) positioned above the base (1);

The first telescopic rod (2) and the second telescopic rod (3) are arranged at two sides of the base (1) at intervals along the X-axis direction; two ends of the first telescopic rod (2) extending along the Y-axis direction are respectively connected to the base (1) and the maintenance platform (4); two ends of the second telescopic rod (3) extending along the Y-axis direction are respectively connected to the base (1) and the maintenance platform (4);

the lifting driving piece (5) can drive the first telescopic rod (2) and the second telescopic rod (3) to synchronously stretch so as to drive the maintenance platform (4) to lift;

The Y axis is vertical, and the X axis is horizontal perpendicular to the Y axis.

2. The stacker repairing device according to claim 1, wherein the lifting driving member (5) is connected with the first telescopic rod (2), the first telescopic rod (2) stretches under the action of the lifting driving member (5), and the second telescopic rod (3) stretches under the drive of the repairing platform (4).

3. The stacker repairing device according to claim 2, wherein at least two second telescopic rods (3) are provided, at least two second telescopic rods (3) are arranged on the base (1) at intervals along a Z-axis direction, and the Z-axis is a horizontal direction perpendicular to the X-axis.

4. The stacker repairing device according to claim 2, wherein the first telescopic mast (2) comprises a fixed mast (21) and a first-stage lifting mast (22), the fixed mast (21) is vertically mounted on the base (1), the first-stage lifting mast (22) is slidably connected with the fixed mast (21) along a vertical direction, and one end of the first-stage lifting mast (22) close to the base (1) is connected with an output end of the lifting driving member (5).

5. The stacker crane assembly according to claim 4, wherein the first telescopic mast (2) further comprises a second lifting mast (23), a first steering wheel (24), a second steering wheel (25) and a transmission chain (26), one end of the second lifting mast (23) is slidably connected with the first lifting mast (22), the other end of the second lifting mast (23) is fixedly connected with the crane platform (4), the first steering wheel (24) is rotatably connected with one end of the first lifting mast (22) close to the second lifting mast (23), the second steering wheel (25) is rotatably connected with one end of the second lifting mast (23) close to the first lifting mast (22), the first end of the transmission chain (26) is fixedly connected with the fixed mast (21), and the second end of the transmission chain (26) sequentially bypasses the first steering wheel (24), the second steering mast (25) and the second lifting mast (23) to be fixedly connected.

6. The stacker repairing device according to claim 2, wherein the second telescopic rod (3) comprises a fixed sleeve (31), a movable rod (32) and a positioning piece (33), the fixed sleeve (31) is vertically installed on the base (1), one end of the movable rod (32) is inserted into the fixed sleeve (31) and is in sliding sleeve connection with the fixed sleeve (31), the other end of the movable rod (32) is fixedly connected with the repairing platform (4), and the positioning piece (33) can axially position the movable rod (32) when in a locking state.

7. The stacker repairing device according to claim 6, wherein the positioning member (33) comprises a spring steel ball, the spring steel ball is connected to an outer wall of one end of the movable rod (32) close to the fixed sleeve (31), and a slot hole into which the spring steel ball is clamped is formed in an inner wall of one end of the fixed sleeve (31) close to the movable rod (32).

8. The stacker repairing device according to claim 6, wherein the positioning members (33) are provided in a plurality, the movable rod (32) comprises a plurality of stages of struts which are sleeved in sequence, the struts of the stages are axially telescopic, and the positioning members (33) are arranged between the struts of the adjacent stages.

9. Stacker repair device according to any one of claims 1 to 8, wherein the repair platform (4) comprises a floor (41) and a rail (42), the rail (42) being arranged around the floor (41).

10. The stacker repair device according to claim 9, wherein the guard rail (42) comprises a guard rail body and a guard door, the guard door being movably connected with the guard rail body.