CN220845383U

CN220845383U - Stacker maintenance device

Info

Publication number: CN220845383U
Application number: CN202322529397.0U
Authority: CN
Inventors: 罗一鸣; 罗文涛; 王齐保; 李海军; 王以宁
Original assignee: Zhongneng Ruixin Shenzhen Energy Technology Co ltd
Current assignee: Zhongneng Ruixin Shenzhen Energy Technology Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-26
Anticipated expiration: 2033-09-18

Abstract

The utility model belongs to the technical field of maintenance equipment, and discloses a stacker maintenance device, which comprises a base, a maintenance platform, a first telescopic rod, a second telescopic rod and a lifting driving piece, wherein the maintenance platform is positioned above the base; the first telescopic rod and the second telescopic rod are arranged on the base along the Y-axis direction, and are arranged on two opposite sides of the base along the X-axis direction at intervals and fixedly connected with the base; the lifting driving piece can drive the first telescopic rod and the second telescopic rod to synchronously stretch out and draw back so as to drive the maintenance platform to lift. The first telescopic link and the second telescopic link can support the opposite sides of maintenance platform, have improved maintenance platform's stability and security performance.

Description

Stacker maintenance device

Technical Field

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

Background

As shelf designs for storing products have increased, overhead stackers have become widely used. The overhead stacker can place or remove products from the overhead racks. In order to ensure smooth production, maintenance of the overhead stacker is important.

Currently, there are mainly two types of devices for repairing overhead stackers: one is supported by a ladder stand and a platform arranged on a rack of an overhead stacker, so that people can carry maintenance articles with large volume more difficultly to climb along the ladder stand, and the safety is difficultly ensured; the other is to adopt a single-mast aluminum alloy lifting platform, and the lifting platform can realize automatic lifting, but only supports one side of the maintenance platform, and can shake when the load is overweight, so that the safety is difficult to guarantee.

Disclosure of utility model

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

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

The stacker repairing device comprises a base, a repairing platform, a first telescopic rod, a second telescopic rod and a lifting driving piece, wherein the repairing platform is positioned above the base; the first telescopic rod and the second telescopic rod are arranged at two sides of the base at intervals along the X-axis direction, and two ends of the first telescopic rod extending along the Y-axis direction are respectively connected with the base and the maintenance platform; two ends of the second telescopic rod extending along the Y-axis direction are respectively connected with the base and the maintenance platform; the lifting driving piece can drive the first telescopic rod and the second telescopic rod to synchronously stretch so as to drive the maintenance platform to lift;

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

Preferably, the lifting driving member is connected with the first telescopic rod, the first telescopic rod stretches under the action of the lifting driving member, and the second telescopic rod stretches under the drive of the maintenance platform.

Preferably, the second telescopic rods are at least two, the at least two second telescopic rods are arranged on two opposite sides of the base at intervals along the Z-axis direction, and the Z-axis is the horizontal direction perpendicular to the X-axis.

Preferably, the first telescopic mast comprises a fixed mast and a first-stage lifting mast, the fixed mast is vertically installed on the base, the first-stage lifting mast is in sliding connection with the fixed mast along the vertical direction, and one end of the first-stage lifting mast, which is close to the base, is connected with the output end of the lifting driving piece.

Preferably, the first telescopic link further comprises a second-stage lifting mast, a first steering wheel, a second steering wheel and a transmission chain, one end of the second-stage lifting mast is in sliding connection with the first-stage lifting mast, the other end of the second-stage lifting mast is fixedly connected with the maintenance platform, the first steering wheel is rotationally connected to the first-stage lifting mast, the second steering wheel is rotationally connected to the second-stage lifting mast, the first end of the transmission chain is fixedly connected with the fixed mast, and the second end of the transmission chain sequentially bypasses the first steering wheel, the second steering wheel and the second-stage lifting mast.

Preferably, the second telescopic rod comprises a fixed sleeve, a movable rod and a positioning piece, the fixed sleeve is vertically arranged on the base, one end of the movable rod is inserted into the fixed sleeve and is in sliding sleeve joint with the fixed sleeve, the other end of the movable rod is fixedly connected with the maintenance platform, and the positioning piece can axially position the movable rod when in a locking state.

Preferably, the positioning piece comprises a spring steel ball, the spring steel ball is connected to one end of the movable rod, which is close to the fixed sleeve, and a slotted hole for the spring steel ball to be clamped in is formed in one end of the fixed sleeve, which is close to the movable rod.

Preferably, the movable rod is composed of a plurality of stages of struts which are sleeved in sequence, the struts of the stages are axially telescopic, and the positioning piece is arranged between the adjacent two stages of struts.

Preferably, the maintenance platform comprises a floor and a guardrail disposed around the floor.

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

The utility model has the beneficial effects that: according to the stacker repairing device, the first telescopic rod and the second telescopic rod are respectively arranged on two sides of the repairing platform, and can synchronously stretch and retract under the driving of the lifting driving piece, so that two opposite sides of the repairing platform are supported in the lifting movement process, the stability of the repairing platform in lifting movement and static state is improved, and the safety performance is improved.

Drawings

FIG. 1 is a schematic view of an overhead stacker;

FIG. 2 is a schematic structural view of a stacker service device according to an embodiment of the present utility model (the first telescopic link and the second telescopic link are in a contracted state);

fig. 3 is a schematic structural view of a stacker repairing apparatus according to an embodiment of the present utility model (the first telescopic link and the second telescopic link are in an extended state).

In the figure: 1. a base; 2. a first telescopic rod; 21. fixing the mast; 22. a first stage lifting mast; 23. a second stage lifting mast; 24. a first steering wheel; 25. a second steering wheel; 26. a drive chain; 3. a second telescopic rod; 31. a fixed sleeve; 32. a movable rod; 33. a positioning piece; 4. maintaining the platform; 41. a bottom plate; 42. guard bars; 5. a lifting driving member;

10. A top rail; 20. a ground rail; 30. a frame; 301. an upper cross beam; 302. a lower cross beam; 303. a column; 304. a pulley; 40. lifting the cargo bed; 50. an X-axis driving assembly; 60. a Y-axis drive assembly; 70. and a Z-axis driving assembly.

Detailed Description

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

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

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

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

First, the structure of the overhead stacker will be briefly described. Referring to fig. 1, the overhead stacker includes a frame 30, a lifting cargo platform 40, an X-axis driving assembly 50, a Y-axis driving assembly 60, and a Z-axis driving assembly 70, where the X-axis, the Y-axis, and the Z-axis are perpendicular to each other, and the Y-axis is a vertical direction, where the frame 30 is a rectangular frame structure as a whole, and includes two upright posts 303 that are vertically disposed, and an upper beam 301 and a lower beam 302 that are respectively connected to two ends of the upright posts 303, and pulleys 304 are disposed on the upper beam 301 and the lower beam 302, and under the action of the X-axis driving assembly 50, the frame 30 can slide along a top rail 10 and a bottom rail 20 that are disposed along the X-axis, and meanwhile, the lifting cargo platform 40 can also move along the Y-axis by the Y-axis driving assembly 60, and a fork on the lifting cargo platform 40 can move along the Z-axis relative to the frame 30 under the action of the Z-axis driving assembly. The whole frame 30 is generally set to about 5m, and maintenance and repair of the overhead stacker, particularly the overhead rail 10, are difficult to achieve only on the ground.

Based on the above, the utility model provides a stacker repairing device which is mainly used for repairing an overhead stacker in consideration of safety. Fig. 2-3 show a stacker repairing device according to an embodiment of the present utility model, where the repairing device is disposed on one side of a frame 30 of an overhead stacker, and includes a base 1, a repairing platform 4, a first telescopic rod 2, a second telescopic rod 3, and a lifting driving member 5, the base 1 is used as a mounting and supporting base, the first telescopic rod 2 and the second telescopic rod 3 are both mounted on the base 1 along a Y-axis direction, the repairing platform 4 is located above the base 1, and the first telescopic rod 2 and the second telescopic rod 3 are disposed on opposite sides of the base 1 along an X-axis direction at intervals and are fixedly connected with the base 1, the first telescopic rod 2 and the second telescopic rod 3 can be synchronously telescopic to drive the repairing platform 4 to lift under the driving of the lifting driving member 5, the repairing platform 4 includes a bottom plate 41 and a guardrail 42 surrounding the bottom plate 41, and a repairing person can repair the stacker in an operation space formed by surrounding the guardrail 42. To provide a certain space for maintenance personnel, the bottom plate 41 is arranged in a square shape with a length and width of 650mm and 650mm, and the height of the guard rail 42 is 1000mm.

The first telescopic link 2 and the second telescopic link 3 are connected in the both sides of maintenance platform 4 respectively, and the synchronous flexible can be done under the drive of lift driving piece 5 to first telescopic link 2 and second telescopic link 3, and then make maintenance platform 4's relative both sides all obtain the support, have improved maintenance platform 4's stability and security performance.

In this embodiment, the quantity of second telescopic link 3 is two, and two second telescopic links 3 set up in the bottom of maintenance platform 4 along Z axle direction interval, and two second telescopic links 3 form triangular structure with first telescopic link 2, can more stable support maintenance platform. In order to reduce cost of maintenance, first telescopic link 2 is initiative telescopic link, and lift driving piece 5 is connected with first telescopic link 2, and under lift driving piece 5 effect, first telescopic link is flexible, and second telescopic link 3 is driven telescopic link, and when first telescopic link 2 was flexible, drive maintenance platform 4 to go up and down, and maintenance platform 4 drives the passive flexible of second telescopic link 3 again. In other embodiments, the number of second telescopic links 3 may be any number above 2.

Optionally, the first telescopic boom 2 includes a fixed mast 21 and a first lifting mast 22, the fixed mast 21 is vertically installed on the base 1, the first lifting mast 22 is provided with a first slider, the first slider is embedded in a first track groove provided by the fixed mast 21, the first lifting mast 22 and the fixed mast 21 are slidably connected with the first track groove along a vertical direction through the first slider, and an output end of the lifting driving member 5 is connected with one end of the first lifting mast 22 close to the base 1, so as to push the first lifting mast 22 to lift.

The second telescopic rod 3 comprises a fixed sleeve 31, a movable rod 32 and a positioning piece 33, wherein the fixed sleeve 31 is vertically arranged on the base 1, one end of the movable rod 32 is inserted into the fixed sleeve 31 to be in sliding sleeve joint with the fixed sleeve 31, the other end of the movable rod 32 is fixedly connected with the bottom surface of the bottom plate 41 of the maintenance platform 4, and the positioning piece 33 can axially limit the movable rod 32 when in a locking state.

In this embodiment, the lifting driving member 5 is an electric cylinder, one end of which is fixed on the base 1, and the other end of which is fixedly connected with one end of the primary lifting mast 22 close to the base 1. The travel of the existing electric cylinders is limited, and it is difficult to enable the maintenance platform to rise to the height of the overhead rail 10 of the overhead stacker. Based on this, the first telescopic mast 2 further comprises a second elevating mast 23, the fixed mast 21, the first elevating mast 22 and the second elevating mast 23 are 2m long, the second elevating mast 23 is provided with a second slider, one side of the first elevating mast 22 facing away from the fixed mast 21 is provided with a second track groove, the second slider is embedded in the second track groove, the second elevating mast 23 and the first elevating mast 22 are connected with the second track groove in a sliding manner through the second slider, the maintenance platform 4 is fixedly connected with the second elevating mast 23, one end of the first elevating mast 22 far away from the base 1 is rotatably provided with a first steering wheel 24, one end of the second elevating mast 23 close to the base 1 is provided with a second steering wheel 25, the first steering wheel 24 and the second steering wheel 25 are connected in a transmission manner through a transmission chain 26, a first end of the transmission chain 26 is fixedly connected with the fixed mast 21, and a second end of the transmission chain bypasses the first steering wheel 24 and the second steering wheel 25 in turn is fixedly connected with the second elevating mast 23.

When the electric cylinder drives the primary lifting mast 22 to lift, the distance between the first steering wheel 24 and the first end of the transmission chain 26 is changed, and the distance between the second steering wheel 25 and the second end of the transmission chain 26 is also unchanged due to the unchanged total length of the transmission chain 26, so that the distance between the first steering wheel 24 and the second steering wheel 25 is necessarily changed, the secondary lifting mast 23 also generates lifting movement synchronous with the primary lifting mast 22 relative to the primary lifting mast 22, and the lifting stroke of the secondary lifting mast 23 and the maintenance platform 4 fixedly connected with the secondary lifting mast 23 is twice the lifting stroke of the primary lifting mast 22 in combination with the movement of the primary lifting mast 22.

Taking the primary jack-up mast 22 as an example, assuming that the total length of the drive chain 26 is L, the initial length of the portion of the drive chain 26 from the first end to the first steering wheel 24 is s ₁, the partial length of the drive chain 26 from the second end to the second steering wheel 25 is s ₂, the partial length of the drive chain 26 from the first steering wheel 24 to the second steering wheel 25 is l=l-s ₁-s₂, the primary jack-up mast 22 drives the first steering wheel 24 to move up h, l=l- (s ₁+h)-s₂), that is, the distance between the first steering wheel 24 and the second steering wheel 25 is reduced by h, so that the secondary jack-up mast 23 is raised relative to the primary jack-up mast 22 and the raising height is consistent with the raising height of the primary jack-up mast 22.

Based on the setting of the stacker 5m height, the electric cylinder is selected to have a stroke of 2m and a load capacity of 1000kg, and is sufficient to carry the weight of the maintenance platform 4 itself and the weight of maintenance personnel and common maintenance tools. It should be considered 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, and based on the height of the general personnel, the initial height of the maintenance platform 4 is set to 500mm, and then the electric cylinders need to be used as multistage electric cylinders to meet the ascending travel requirement of the maintenance platform 4. Meanwhile, the second telescopic link 3 cannot have a length greater than 500mm in the contracted state, that is, neither the fixed sleeve 31 nor the movable link 32 can have a length longer than 500mm. Therefore, the movable rod 32 is composed of a plurality of stages of struts which are sequentially sleeved and connected, namely a first stage strut and a second stage strut … …, and the front stage struts are hollow except for the last stage strut connected to the maintenance platform 4, and the rear stage struts are sequentially inserted into the front stage struts and are slidingly sleeved with the front stage struts, that is, the plurality of stages of struts are axially telescopic. In other embodiments, the number of strut stages may be any number above 2.

In consideration of operation convenience, in order to ensure maintenance personnel's personal safety simultaneously, be provided with the control platform on the maintenance platform, control the platform and including being used for controlling the flexible control button of electric cylinder and scram button at least, control voltage is DC24V, can effectively guarantee operating personnel's safety. In addition, the electric cylinder also has a power failure self-locking function, so that the maintenance platform can be prevented from falling down rapidly during power failure.

The four-sided enclosed guardrail 42 comprises a guardrail body and a protective door movably connected with the guardrail body to facilitate maintenance personnel to enter the maintenance space. Illustratively, the guard gate is hinged to the guard rail body, and a plug is provided on the guard gate for improving safety of maintenance personnel in high-altitude operation, and a jack for inserting the plug is provided on the guard rail body.

The first telescopic rod 2 and the second telescopic rod 3 are respectively selected according to the bearing of 1000kg, all stages of masts (including the fixed masts 21) in the first telescopic rod 2 can be wide profiles with the size of 200 x 95, the movable rod 32 of the second telescopic rod 3 positioned at the last stage is a cylindrical profile with the diameter of 40mm, and the diameter of the movable rod 32 of the previous stage is larger than that of the movable rod 32 of the next stage. Further, the first telescopic rod 2 and the second telescopic rod 3 are made of aluminum alloy, and are light in weight and high in strength.

In this embodiment, the positioning member 33 includes a spring steel ball, which is mounted on the outer wall of each stage of strut of the movable rod 32 and is matched with the slot hole provided on the inner wall of the fixed sleeve 31 or the preceding stage of strut, that is, the spring steel balls are provided between two adjacent stages of struts, and when the spring steel ball moves to correspond to the slot hole, the spring steel ball is clamped in the slot hole to realize clamping under the action of elastic potential energy, so as to complete the support of the maintenance platform 4. The spring steel balls are, for example, 10mm in diameter. It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

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;

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.