Supporting device for coal mine roadway tunneling

By designing a coal mine roadway excavation support device with lifting, adjustment, and support mechanisms, the problem of the traditional device's passability in narrow spaces and complex geological conditions has been solved, achieving convenient construction and stable support.

CN223562844UActive Publication Date: 2025-11-18赵诣深
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Patent Information

Application Number
CN202422834217.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-11-18
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

Traditional coal mine roadway excavation support devices are difficult to move around when encountering roadway intersections, bends, or narrow spaces, which hinders the excavation operation.

Method used

A coal mine roadway excavation support device was designed, which includes lifting, adjusting and supporting mechanisms. The relative movement and rotation folding of the left and right support components are controlled by the drive component. The device is equipped with moving wheels to facilitate movement in the roadway and provides stable support through the arc-shaped support plate.

Benefits of technology

It enhances the device's ability to navigate narrow spaces, improves construction convenience and support effectiveness, ensures the stability and safety of the tunnel, and facilitates tunnel construction under different geological conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine tunnel supporting structures, and particularly discloses a coal mine tunnel tunneling supporting device, which comprises a lifting mechanism, a supporting mechanism, a driving mechanism, a driving mechanism and a supporting mechanism, and is characterized in that the lifting mechanism comprises a lifting assembly and a traction assembly arranged on the lifting assembly; the adjusting mechanism comprises a left support assembly, a right support assembly and a driving assembly, the left support assembly and the right support assembly are connected in a sliding mode, the driving assembly is used for driving the left support assembly and the right support assembly to move relatively, and the left support assembly and the right support assembly are both installed on the lifting assembly; the left support assembly and the right support assembly can move relatively by controlling the driving assembly, the left support assembly and the right support assembly pull the left supporting assembly and the right supporting assembly to rotate and fold respectively, and therefore the overall occupied area of the supporting device is reduced, and the capacity of the supporting device for passing through a narrow space is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to coal mine roadway supporting structure technical field, specifically a kind of coal mine roadway driving supporting device. BACKGROUND

[0002] In the process of coal mining, roadway driving is an essential operation, in the process of coal mine roadway driving, due to the loosening and destruction of surrounding rock, roadway is prone to deformation and caving, supporting device can provide support, resist the deformation and destruction of surrounding rock, so as to maintain the stability and safety of roadway. It is crucial to ensure the safe passage of personnel and equipment and the normal operation of ventilation, transportation and other systems.

[0003] Traditional coal mine roadway driving supporting device, often focus on providing stable supporting effect in design, ensure the safety of roadway in driving process, however, the geological conditions of coal mine roadway are often complex, when encountering roadway intersection, turning place or narrow space, it is inconvenient to transfer, leading to driving operation is hindered. INVENTION CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a kind of coal mine roadway driving supporting device to solve the problem of inconvenient transfer of supporting device in prior art when encountering roadway intersection, turning place or narrow space.

[0005] A kind of coal mine roadway driving supporting device, comprising: lifting mechanism, including lifting assembly, traction assembly installed on the lifting assembly;

[0006] Adjusting mechanism, including slidingly connected left support assembly and right support assembly, drive assembly for driving the relative motion of left support assembly and right support assembly, left support assembly and right support assembly are installed on lifting assembly;

[0007] Supporting mechanism, including rotationally connected left support assembly and right support assembly, the left support assembly and right support assembly are respectively rotationally connected on left support assembly and right support assembly.

[0008] Preferably, the left support assembly includes left support body, one end of a group of guide rods is fixedly connected on the left support body, the other end of a group of guide rods is fixedly connected with limit block;

[0009] The right support assembly includes right support body, the right support body is provided with a sliding slot, a group of guide rods are slidingly connected on the sliding slot, and the limit block is limitingly slidingly connected on the right support body.

[0010] Preferably, one end of the driving assembly is fixedly connected to the left support body, and the other end of the driving assembly is fixedly connected to the right support body, and the driving assembly is an electric telescopic rod.

[0011] Preferably, the left support assembly comprises an arc-shaped support plate one rotatably connected to the left support body, and a plurality of rotating frames are fixedly connected to the arc-shaped support plate one; the right support assembly comprises an arc-shaped support plate two rotatably connected to the right support body, and a rotating shaft is fixedly connected to the arc-shaped support plate two, and the arc-shaped support plate two is rotatably connected to the plurality of rotating frames through the rotating shaft.

[0012] Preferably, the lifting assembly comprises two groups of lifting rods, the left support body and the right support body are fixedly connected to the top of the two groups of lifting rods correspondingly, the bottom of the two groups of lifting rods is fixedly connected with a base, and the bottom of the base is provided with a moving wheel.

[0013] Preferably, the traction assembly comprises a plurality of connecting blocks one and connecting blocks two, the plurality of connecting blocks one are fixedly connected to the outside of the two groups of lifting rods correspondingly, the plurality of connecting blocks two are slidingly connected to the outside of the two groups of lifting rods and located above the connecting blocks one, and the connecting blocks one and the connecting blocks two are cross-rotatably connected with connecting rods one and connecting rods two.

[0014] Compared with the prior art, the utility model has the advantages of the following:

[0015] 1、 the utility model discloses a control driving assembly can make left support component and right support component relative movement, and left support component and right support component respectively draw left support assembly and right support assembly and rotate and fold, thereby reduce the overall floor area of support device, greatly improve its through narrow space's ability.

[0016] 2、 the utility model discloses being equipped with moving wheel, and the device can be moved in roadway easily, greatly improves the construction convenience, when unfolding arc-shaped support plate one and arc-shaped support plate two, connecting rod one and connecting rod two draw two groups of lifting rods away from each other and provide stable support, ensure that support device can firmly support roadway top wall in the unfolded state. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure schematic diagram of the utility model;

[0018] Figure 2 It is the exploded view schematic diagram of the utility model;

[0019] Figure 3 It is the structure schematic diagram of the adjusting mechanism of the utility model;

[0020] Figure 4This is a schematic diagram of the support mechanism of this utility model;

[0021] Figure 5 This is a schematic diagram of the lifting mechanism of this utility model.

[0022] In the diagram: 1. Lifting mechanism; 11. Lifting assembly; 111. Lifting rod; 112. Base; 113. Moving wheel; 12. Traction assembly; 121. Connecting block one; 122. Connecting block two; 123. Connecting rod one; 124. Connecting rod two; 2. Adjustment mechanism; 21. Left support assembly; 211. Left support body; 212. Guide rod; 213. Limiting block; 22. Right support assembly; 221. Right support body; 222. Slide groove; 23. Drive assembly; 3. Support mechanism; 31. Left support assembly; 311. Arc-shaped support plate one; 312. Rotating frame; 32. Right support assembly; 321. Arc-shaped support plate two; 322. Rotating shaft. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] like Figures 1 to 4 As shown:

[0025] Example 1: This utility model provides a coal mine roadway excavation support device, including: a lifting mechanism 1, including a lifting component 11, and a traction component 12 installed on the lifting component 11;

[0026] The adjustment mechanism 2 includes a left support assembly 21 and a right support assembly 22 that are slidably connected, and a drive assembly 23 for driving the left support assembly 21 and the right support assembly 22 to move relative to each other. The left support assembly 21 and the right support assembly 22 are both mounted on the lifting assembly 11.

[0027] The support mechanism 3 includes a left support assembly 31 and a right support assembly 32 that are rotatably connected, and the left support assembly 31 and the right support assembly 32 are respectively rotatably connected to the left bracket assembly 21 and the right bracket assembly 22.

[0028] The left support assembly 21 and the right support assembly 22 can be moved relative to each other by controlling the drive assembly 23. The left support assembly 21 and the right support assembly 22 respectively pull the left support assembly 31 and the right support assembly 32 to rotate and fold. The left support assembly 31 and the right support assembly 32 can be adjusted to a suitable height by controlling the lifting assembly 11.

[0029] Specifically, the left support assembly 21 comprises a left support body 211, one end of a plurality of guide rods 212 is fixedly connected to the left support body 211, the other end of the plurality of guide rods 212 is fixedly connected to a limiting block 213;

[0030] The right support assembly 22 comprises a right support body 221, a sliding groove 222 is formed in the right support body 221, the plurality of guide rods 212 is slidingly connected to the sliding groove 222, and the limiting block 213 is slidingly connected to the right support body 221.

[0031] Specifically, one end of the driving assembly 23 is fixedly connected to the left support body 211, and the other end of the driving assembly 23 is fixedly connected to the right support body 221, and the driving assembly 23 is an electric telescopic rod.

[0032] Specifically, the left support assembly 31 comprises an arc-shaped support plate one 311 rotatably connected to the left support body 211, and a plurality of rotating frames 312 is fixedly connected to the arc-shaped support plate one 311; the right support assembly 32 comprises an arc-shaped support plate two 321 rotatably connected to the right support body 221, a rotating shaft 322 is fixedly connected to the arc-shaped support plate two 321, and the arc-shaped support plate two 321 is rotatably connected to the plurality of rotating frames 312 through the rotating shaft 322.

[0033] As can be seen from the above, the driving assembly 23 is controlled, the output end of the driving assembly 23 drives the right support body 221 to move away from the left support body 211 under the guidance of the guide rod 212, and the left support body 211 and the right support body 221 respectively pull the arc-shaped support plate one 311 and the arc-shaped support plate two 321, so that the arc-shaped support plate two 321 rotates and unfolds around the arc-shaped support plate one 311, then the lifting assembly 11 is controlled to drive the left support body 211 and the right support body 221 to synchronously ascend, and then drive the arc-shaped support plate one 311 and the arc-shaped support plate two 321 to move upward, until the arc-shaped support plate one 311 and the arc-shaped support plate two 321 closely adhere to the roadway top wall, thereby providing firm and reliable support for the roadway, when passing through the intersection and the turning place of the roadway, the driving assembly 23 is controlled, the output end of the driving assembly 23 pulls the right support body 221 to move close to the left support body 211 under the guidance of the guide rod 212, and the left support body 211 and the guide rod 212 respectively pull the arc-shaped support plate one 311 and the arc-shaped support plate two 321, so that the arc-shaped support plate two 321 rotates and folds around the arc-shaped support plate one 311, thereby reducing the overall floor area of the support device and greatly improving the ability to pass through narrow spaces.

[0034] As shown in Figure 5

[0035] ​The embodiment is basically same as the previous embodiment, the difference is that the lifting assembly 11 comprises two groups of lifting rods 111, the left support body 211 and the right support body 221 are fixedly connected at the top of the two groups of lifting rods 111 correspondingly, the bottom of the two groups of lifting rods 111 is fixedly connected with the base 112, and the bottom of the base 112 is installed with the moving wheel 113.

[0036] Specifically, the traction assembly 12 comprises a plurality of connection blocks one 121 and connection blocks two 122, the plurality of connection blocks one 121 are fixedly connected outside the two groups of lifting rods 111 correspondingly, the plurality of connection blocks two 122 are slidingly connected outside the two groups of lifting rods 111 and above the connection blocks one 121 correspondingly, and the two groups of connection blocks one 121 and connection blocks two 122 are cross-rotationally connected with the connecting rod one 123 and the connecting rod two 124.

[0037] As can be seen from the above, by being equipped with the moving wheel 113, the device can be easily moved in the roadway, greatly improving the construction convenience, at the same time, the extension of the lifting rod 111 can drive the left support body 211 and the right support body 221 to rise or fall, and then accurately adjust the distance between the arc-shaped support plate one 311 and the arc-shaped support plate two 321 and the top of the roadway, so as to ensure that the supporting device can closely fit the top wall of the roadway and provide stable support force, when the arc-shaped support plate one 311 and the arc-shaped support plate two 321 are unfolded, the connecting rod one 123 and the connecting rod two 124 pull the two groups of lifting rods 111 away from each other and provide stable support, so as to ensure that the supporting device can firmly support the top wall of the roadway in the unfolded state, and when it is necessary to pass through a narrow space or to transfer the device, the arc-shaped support plate one 311 and the arc-shaped support plate two 321 are folded at the same time, and the connecting rod one 123 and the connecting rod two 124 pull the two groups of lifting rods 111 close to each other, so as to reduce the overall floor area of the supporting device, so that it is more compact, convenient to carry and transfer.

[0038] Application process:

[0039] Device movement and positioning:

[0040] The moving wheel 113 at the bottom of the device is used to easily push the supporting device to the position to be supported in the coal mine roadway, the position of the device is adjusted according to the actual situation of the roadway, so as to ensure that the supporting device can accurately correspond to the top wall of the roadway.

[0041] Lifting adjustment:

[0042] The extension of the lifting rod 111 is controlled to drive the left support body 211 and the right support body 221 and the arc-shaped support plates thereon to rise or fall, and by accurately adjusting, the arc-shaped support plate one 311 and the arc-shaped support plate two 321 are kept at an appropriate distance from the top of the roadway, so as to ensure that the supporting device can closely fit the top wall of the roadway.

[0043] Support plate unfolding:

[0044] The driving assembly 23 is started, the right support body 221 is pushed to move away from the left support body 211 under the guidance of the guide rod 212, the left support body 211 and the right support body 221 respectively pull the arc-shaped support plate one 311 and the arc-shaped support plate two 321 to rotate and unfold, and the connecting rod one 123 and the connecting rod two 124 are cross-rotated and connected, pull the two groups of lifting rods 111 away from each other, and provide stable support for the support device.

[0045] Support operation:

[0046] After the arc-shaped support plate one 311 and the arc-shaped support plate two 321 closely adhere to the roadway top wall, the support device starts to provide solid and reliable support for the roadway, and the construction personnel can continue to carry out the tunneling operation, and the support device can effectively prevent the roadway top wall from collapsing and other safety hazards.

[0047] Folding and transferring:

[0048] When it is needed to pass through a narrow space or to transfer the device, the driving assembly 23 is controlled to move the right support body 221 to the left support body 211, the arc-shaped support plate two 321 is rotated and folded around the arc-shaped support plate one 311, and the connecting rod one 123 and the connecting rod two 124 pull the two groups of lifting rods 111 to move close to each other, so that the overall area occupied by the support device is reduced, and the support device is more compact, convenient to carry and transfer to the next support position.

[0049] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein. The contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0050] In the description of the utility model, the terms "first" and "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0051] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation.For ordinary skilled person in the art, the above terms can be understood according to the specific meaning in the utility model.

[0052] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element internal communication or two element mutual action relation.For ordinary skilled person in the art, the above terms can be understood according to the specific meaning in the utility model.

[0053] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model.In the specification, the illustrative description of the above terms is not necessarily for the same embodiment or example.And, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.In addition, in the case of not mutually contradictory, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of different embodiments or examples.

[0054] The utility model discloses embodiment figure, only relate to the structure involved in the disclosure embodiment, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the application can be combined mutually.

[0055] Although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or part of the technical features can be replaced, and any modification, equivalent replacement, improvement, etc., within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A coal mine roadway driving and supporting device, characterized in that, The utility model relates to a kind of lifting device, including: Lifting mechanism (1), including lifting assembly (11), traction assembly (12) mounted on the lifting assembly (11); Adjusting mechanism (2), including slidingly connected left support assembly (21) and right support assembly (22), for driving the drive assembly (23) of relative motion of left support assembly (21) and right support assembly (22), left support assembly (21) and right support assembly (22) are mounted on lifting assembly (11); Support mechanism (3), including rotationally connected left support assembly (31) and right support assembly (32), left support assembly (31) and right support assembly (32) are respectively rotationally connected on left support assembly (21) and right support assembly (22).

2. The coal mine roadway driving and supporting device according to claim 1, characterized in that, Left support assembly (21) includes left support body (211), one end of a group of guide rods (212) is fixedly connected on the left support body (211), the other end of a group of guide rods (212) is fixedly connected with limit block (213) in common; Right support assembly (22) includes right support body (221), and the right support body (221) is provided with sliding slot (222), a group of guide rods (212) are slidingly connected in the sliding slot (222), and the limit block (213) is limitingly and slidingly connected on the right support body (221).

3. The coal mine roadway driving and supporting device according to claim 2, characterized in that, One end of the drive assembly (23) is fixedly connected on left support body (211), the other end of the drive assembly (23) is fixedly connected on right support body (221), and the drive assembly (23) is electric telescopic rod.

4. The coal mine roadway driving and supporting device according to claim 3, characterized in that, Left support assembly (31) includes arc-shaped support plate one (311) rotationally connected on left support body (211), and a group of rotating frames (312) are fixedly connected on the arc-shaped support plate one (311);Right support assembly (32) includes arc-shaped support plate two (321) rotationally connected on right support body (221), and the arc-shaped support plate two (321) is fixedly connected with rotating shaft (322), and the arc-shaped support plate two (321) is rotationally connected on a group of rotating frames (312) by rotating shaft (322).

5. The coal mine roadway driving and supporting device according to claim 3, characterized in that, Lifting assembly (11) includes two groups of lifting rods (111), and left support body (211) and right support body (221) are fixedly connected on the top of two groups of lifting rods (111) correspondingly, and the bottom of two groups of lifting rods (111) is fixedly connected with base (112), and the bottom of base (112) is installed with moving wheel (113).

6. The coal mine roadway development support device according to claim 5, wherein Traction assembly (12) includes a plurality of connecting blocks one (121) and connecting blocks two (122), a plurality of connecting blocks one (121) are fixedly connected on the outside of two groups of lifting rods (111) correspondingly, a plurality of connecting blocks two (122) are slidingly connected on the outside of two groups of lifting rods (111) and above connecting blocks one (121) correspondingly, and connecting rod one (123) and connecting rod two (124) are rotationally connected between two groups of connecting blocks one (121) and connecting blocks two (122).