Support sliding bottom plate for underground coal mine

Abstract

The utility model provides a bracket sliding bottom plate for an underground coal mine, and belongs to the technical field of machinery. According to the structure, a supporting table is fixedly connected to the bottom end of a hydraulic cylinder, a bottom plate is located on the lower side of the supporting table, a connecting assembly is arranged on the side portion of the bottom plate and comprises a notch, an electric cylinder is fixedly connected to the inner wall of the notch, a positioning block is connected to the free end of the electric cylinder, and the upper portion of the positioning block is located on the side of the supporting table; a strip-shaped blind hole allowing the upper portion of the positioning block to be inserted therein is formed in the side end of the supporting table, a sliding way is arranged at the position, located above the blind hole, of the side end of the supporting table, a limiting hook is connected into the sliding way in a sliding mode, and the limiting hook hooks the outer side of the positioning block. The bottom plate and the supporting table are jointly used as a supporting structure, and the supporting state or the moving state can be switched through the hydraulic cylinder; on the basis, a clutch mechanism is designed between the bottom plate and the supporting table, and replacement of the bottom plate is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical technical field, concretely is a support sliding baseplate for coal mine underground. BACKGROUND

[0002] Coal mine underground support refers to various support and protection equipment used in coal mine underground, mainly used for supporting and maintaining underground operation space, ensuring the safety of miners and the stability of operation environment. Coal mine underground support mainly has the following types.

[0003] Sliding roof beam hydraulic support: suitable for environments with poor adaptability and complex operation, but may cause repeated support to the crossheading roof, leading to the broken end roof. Yieldable roadway support: with good adaptability, but complex operation in some cases. Air cushion hydraulic self-moving support: suitable for scenes requiring automatic movement, but also has the problem of complex operation. Hydraulic support: used for supporting the mine pressure of coal mining face, through adjusting assembly, the coal mine top end can be supported and fixed. Flexible shield support: mainly used for steeply inclined coal mining face, connected with steel beam or wood beam by steel rope, protecting the working space and isolating the goaf. Support shield type hydraulic support: with roof beam and shield beam, suitable for direct roof medium stability, stable and hard coal mining face. Among them, sliding roof beam hydraulic support is more commonly used type, generally adopts planar baseplate or bridge type baseplate as basic support, planar baseplate has strong supporting performance, but the volume and self weight are larger, inconvenient to install and position; bridge type baseplate is convenient for transportation, installation and fixation, but needs to be replaced and maintained after long time use. In the prior art, the installation structure of conventional bridge type baseplate is relatively cumbersome when replacing, and it is difficult to ensure high maintenance efficiency. SUMMARY

[0004] The technical problem to be solved by the utility model is: how to design a support sliding baseplate convenient to replace.

[0005] To achieve the above technical purposes, the utility model adopts the following technical scheme:

[0006] The utility model provides a support sliding base for underground coal mine, including support board, wheel body, support subassembly, hydraulic cylinder, support table, bottom plate, connecting assembly, slot, electric cylinder, locating block, slide, limit hook, control button, wherein, a plurality of support legs are fixedly connected to the bottom end of support board, wheel body is rotatably connected to the bottom end of support leg, support subassembly is equipped on the bottom end of support board, support subassembly includes hydraulic cylinder, support table is fixedly connected to the bottom end of hydraulic cylinder, bottom plate is located the downside of support table, connecting assembly is equipped on the side of bottom plate, connecting assembly includes slot, electric cylinder is fixedly connected on the inner wall of slot, locating block is connected to the free end of electric cylinder, the upper portion of locating block is located the side of support table, the side end of support table has the strip blind hole for the upper portion of locating block to insert, slide is equipped on the side end of support table, which is above the blind hole, limit hook is slidably connected in the slide, the outside of locating block is hooked by limit hook, control button is equipped on support board, and control button is connected on the power supply circuit of electric cylinder.

[0007] As preferred, the support table is provided with at least two, and each of the support tables is provided with a bottom plate at the bottom end.

[0008] As preferred, the projection of the support table on the horizontal plane is completely within the projection of the bottom plate on the horizontal plane.

[0009] As preferred, a slide rail is provided inside the slot, and the locating block is slidably connected on the slide rail.

[0010] As preferred, anti-collision frames are fixedly connected to the front and rear sides of the support board, and the control button is located inside the anti-collision frames.

[0011] As preferred, a sliding block is provided in the slide, and the limit hook is connected on the sliding block.

[0012] As preferred, the hydraulic cylinder is provided with at least four, and each of the hydraulic cylinders moves synchronously.

[0013] In the above technical scheme, the support board is the main support structure of the support, which is used to bear. When the whole needs to be moved, the hydraulic cylinder is first retracted, the wheel body is grounded, and then it is pushed. When it is pushed to the position, the hydraulic cylinder is extended, the bottom plate is grounded, and it is in the support state. The support subassembly includes the hydraulic cylinder, the support table, and the bottom plate. The support table is used to support the hydraulic cylinder, and the bottom plate is used to bear the support table. The bottom plate is a replaceable structure. When the bottom plate needs to be replaced, the limit hook is manually pushed upwards, the limit hook moves upwards along the slide, the limit hook is separated from the locating block, the electric cylinder in the slot is extended by pressing the control button, the locating block moves outward, and the upper portion of the locating block is separated from the strip blind hole at the side end of the support table. At this time, the support table and the bottom plate can be separated, so that the bottom plate can be replaced.

[0014] The utility model provides a kind of support sliding base for coal mine underground.The technical scheme with base plate and support platform is jointly as support structure, can be switched support state or moving state by hydraulic cylinder;On this basis, clutch mechanism is designed between base plate and support platform, and it is convenient to replace base plate. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the first stereogram of the utility model;

[0016] Figure 2 It is Figure 1 The local drawing of A position in;

[0017] Figure 3 It is the second stereogram of the utility model;

[0018] Figure 4 It is the front view of the utility model;

[0019] In the drawing:

[0020] DETAILED DESCRIPTION

[0021] The specific embodiment of the utility model will be described in detail below.In order to avoid too much unnecessary details, in the following examples, the structure or function belonging to the known will not be described in detail. Approximate language used in the following examples can be used for quantitative expression, indicating that the amount can have certain variation without changing the basic function. Unless defined, the technical and scientific terms used in the following examples have the same meaning as generally understood by the skilled person in the art to which the utility model belongs.

[0022] Example 1

[0023] Support sliding base for coal mine underground, such as Figures 1-4As shown, including support plate 1, wheel body 2, support assembly 3, hydraulic cylinder 4, support table 5, bottom plate 6, connecting assembly 7, slot 8, electric cylinder 9, positioning block 10, slide 11, limit hook 12, control button 13, wherein, a plurality of support legs are fixedly connected to the bottom end of the support plate 1, the wheel body 2 is rotatably connected to the bottom end of the support leg, the support assembly 3 is arranged at the bottom end of the support plate 1, the support assembly 3 comprises the hydraulic cylinder 4, the support table 5 is fixedly connected to the bottom end of the hydraulic cylinder 4, the bottom plate 6 is located below the support table 5, the connecting assembly 7 is arranged on the side of the bottom plate 6, the connecting assembly 7 comprises the slot 8, the electric cylinder 9 is fixedly connected to the inner wall of the slot 8, the positioning block 10 is connected to the free end of the electric cylinder 9, the upper part of the positioning block 10 is located beside the support table 5, the support table 5 has a strip-shaped blind hole for the upper part of the positioning block 10 to insert, the slide 11 is arranged at the side end of the support table 5 and above the blind hole, the limit hook 12 is slidably connected in the slide 11, the limit hook 12 hooks the outer side of the positioning block 10, the control button 13 is arranged on the support plate 1 and connected to the power supply circuit of the electric cylinder 9.

[0024] In the above technical scheme, the support plate 1 is the main support structure of the support, which is used to bear. When it is needed to move the whole support, the hydraulic cylinder 4 is first retracted, the wheel body 2 is grounded, and then it is pushed; after being pushed to the position, the hydraulic cylinder 4 is extended, the bottom plate 6 is grounded, and the support state is presented. The support assembly 3 comprises the hydraulic cylinder 4, the support table 5 and the bottom plate 6, wherein the support table 5 is used to support the hydraulic cylinder 4, and the bottom plate 6 is used to bear the support table 5; the bottom plate 6 is a replaceable structure, when it is needed to replace the bottom plate 6, the limit hook 12 is manually pushed upward, so that the limit hook 12 moves upward along the slide 11, so that the limit hook 12 is separated from the positioning block 10, then the control button 13 is pressed to extend the electric cylinder 9 in the slot 8, so that the positioning block 10 moves outward, so that the upper part of the positioning block 10 is separated from the strip-shaped blind hole at the side end of the support table 5; at this time, the support table 5 and the bottom plate 6 can be separated, so that the bottom plate 6 can be replaced.

[0025] Embodiment 2

[0026] The support sliding bottom plate for underground coal mine, like Figures 1-4As shown, including support plate 1, wheel body 2, support assembly 3, hydraulic cylinder 4, support table 5, bottom plate 6, connecting assembly 7, slot 8, electric cylinder 9, positioning block 10, slide 11, limit hook 12, control button 13, wherein, a plurality of support legs are fixedly connected to the bottom end of the support plate 1, the wheel body 2 is rotatably connected to the bottom end of the support leg, the support assembly 3 is arranged at the bottom end of the support plate 1, the support assembly 3 comprises the hydraulic cylinder 4, the support table 5 is fixedly connected to the bottom end of the hydraulic cylinder 4, the bottom plate 6 is located below the support table 5, the connecting assembly 7 is arranged on the side of the bottom plate 6, the connecting assembly 7 comprises the slot 8, the electric cylinder 9 is fixedly connected to the inner wall of the slot 8, the positioning block 10 is connected to the free end of the electric cylinder 9, the upper part of the positioning block 10 is located beside the support table 5, the support table 5 has a strip-shaped blind hole for the upper part of the positioning block 10 to insert, the slide 11 is arranged at the side end of the support table 5 and above the blind hole, the limit hook 12 is slidably connected in the slide 11, the limit hook 12 hooks the outer side of the positioning block 10, the control button 13 is arranged on the support plate 1 and connected to the power supply circuit of the electric cylinder 9. Wherein, the support table 5 is provided with at least two, and one bottom plate 6 is arranged at the bottom end of each support table 5. The projection of the support table 5 on the horizontal plane is completely within the projection of the bottom plate 6 on the horizontal plane. A slide rail is arranged in the slot 8, and the positioning block 10 is slidably connected to the slide rail. Anti-collision frames are fixedly connected to the front and rear sides of the support plate 1, and the control button 13 is located in the anti-collision frames. A sliding block is arranged in the slide 11, and the limit hook 12 is connected to the sliding block. The hydraulic cylinder 4 is provided with at least four, and each hydraulic cylinder moves synchronously.

[0027] The embodiments of the utility model are described in detail above, but the content described is only the preferred embodiment of the utility model, and does not limit the utility model. Any modification, equivalent replacement and improvement etc. within the application range of the utility model should be included in the protection range of the utility model.

Claims

1. A support skid for use in a coal mine, characterised in that The utility model provides a support device, including support plate (1), wheel body (2), support assembly (3), hydraulic cylinder (4), support platform (5), bottom plate (6), connecting assembly (7), slot (8), electric cylinder (9), positioning block (10), slide (11), limit hook (12), control button (13), wherein, a plurality of support legs are fixedly connected to the bottom end of support plate (1), wheel body (2) is rotatably connected to the bottom end of the support leg, support assembly (3) is equipped at the bottom end of support plate (1), the support assembly (3) includes hydraulic cylinder (4), support platform (5) is fixedly connected to the bottom end of hydraulic cylinder (4), bottom plate (6) is located the downside of support platform (5), connecting assembly (7) is equipped at the side of bottom plate (6), the connecting assembly (7) includes slot (8), electric cylinder (9) is fixedly connected on the inner wall of slot (8), positioning block (10) is connected to the free end of electric cylinder (9), the upper portion of positioning block (10) is located the side of support platform (5), the upper portion of positioning block (10) is inserted in the strip-shaped blind hole of the side end of support platform (5), slide (11) is equipped at the side end of support platform (5) and is located the position above the blind hole, limit hook (12) is slidably connected in slide (11), and the outer side of positioning block (10) is hooked by limit hook (12), control button (13) is equipped on support plate (1), and control button (13) is connected on the power supply circuit of electric cylinder (9).

2. The support slip base for use in a coal mine according to claim 1, wherein, Support platform (5) is equipped with at least two, and one bottom plate (6) is equipped at the bottom end of each support platform (5).

3. The support slip base for use in a coal mine according to claim 1, wherein, The projection of support platform (5) on the horizontal plane is completely located in the projection of bottom plate (6) on the horizontal plane.

4. The support slip base for use in a coal mine according to claim 1, wherein, Slide rail is equipped in the inside of slot (8), and positioning block (10) is slidably connected on the slide rail.

5. The support slip base for use in a coal mine according to claim 1, wherein, Anti-collision frame is fixedly connected to the front and rear sides of support plate (1), and control button (13) is located in the anti-collision frame.

6. The support slip base for use in a coal mine according to claim 1, wherein, Sliding block is arranged in slide (11), and limit hook (12) is connected on the sliding block.

7. The support slip base for use in a coal mine according to claim 1, wherein Hydraulic cylinder (4) is equipped with at least four, and each hydraulic cylinder moves synchronously.

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