Coal mine tunneling supporting device

Abstract

The utility model discloses a coal mine tunneling supporting device, which belongs to the technical field of supporting devices and comprises a left frame and a right frame, a splicing supporting component is arranged between the left frame and the right frame, and supporting components are arranged on the lower surfaces of the left frame and the right frame. The left side frame, the right side frame and the multiple splicing plates are spliced together through matching of the T-shaped protrusions and the T-shaped grooves, a continuous supporting face is formed, the number of the splicing plates can be flexibly selected according to the size of an actual coal mine internal channel, the supporting requirements of coal mine channels of different sizes are met, the multiple supporting legs are screwed on the threaded sleeves through rotation of the threaded rods, and the supporting effect is good. The whole device is supported, all the components are independent parts before being assembled, operators can conveniently transport the device in a narrow coal mine, particularly, the device is not affected even in a turning or narrow section, all the components are assembled in a simple mechanical connection mode, and therefore the device is very easy, convenient and rapid to assemble and disassemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to supporting device technical field, more specifically, relate to a coal mine tunneling supporting device. BACKGROUND

[0002] The coal mine tunneling supporting device is installed behind the tunneling working face in the coal mine or other mine, and its main purpose is to support the tunnel wall that has been excavated, the surrounding rock mass around the tunnel formed after the coal mine tunneling is in a non-natural state, and is prone to deformation or collapse under the influence of geological pressure, the supporting device can effectively support the tunnel wall to prevent it from collapsing due to geological pressure, thereby ensuring the safety of personnel and equipment and preventing collapse caused by geological pressure.

[0003] The existing supporting device is usually a metal support installed on the tunnel wall after excavation, which can directly bear the pressure from the rock to prevent the rock from moving inward or collapsing, the metal support can constrain the surrounding rock in a relatively stable shape, reducing the deformation of the surrounding rock caused by stress release, and the metal support is usually used in combination with other supporting materials to improve the overall stability and load-bearing capacity of the entire structure.

[0004] In the actual use process of the prior art, the internal passage formed after the coal mine tunneling is usually narrow, and the size of each section cannot be completely the same, the metal support for supporting is large in size after welding and assembly, and moving and installing in the coal mine tunneling passage, especially in the turning or narrow section, will become very difficult, therefore, the coal mine tunneling supporting device is proposed. SUMMARY

[0005] 1. Technical problem to be solved

[0006] In view of the problems existing in the prior art, the utility model provides a coal mine tunneling supporting device, which is formed by splicing the left side frame, the right side frame and the plurality of splicing plates through the cooperation of the T-shaped protrusions and the T-shaped grooves, a continuous supporting surface is formed, the number of splicing plates can be flexibly selected according to the size of the internal passage of the actual coal mine, the supporting requirements of the coal mine passages of different sizes are met, a plurality of supporting legs are screwed on the threaded sleeves through the screw rods, the device as a whole is supported, each component is a separate part before splicing, which is convenient for the operator to transport in the narrow coal mine, especially in the turning or narrow section, and the installation and disassembly of the device become very simple and fast through the simple mechanical connection mode for splicing between the components.

[0007] 2. Technical scheme

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] The utility model provides a kind of coal mine tunneling supporting device, including left side frame and right side frame, splicing support component is arranged between the left side frame and right side frame, the lower surface of left side frame and right side frame is provided with support component;Splicing support component, including fixedly connected in the left side frame and the one side of splicing plate T type protrusion, the other side of right side frame and splicing plate is all opened T type recess, the lower surface of left side frame, right side frame and splicing plate is all fixedly connected with limit sleeve, reinforcing rod is inserted in the limit sleeve inner cavity;Support component, including the plurality of screw sleeves that are uniformly fixedly connected in the lower surface of left side frame and right side frame, screw sleeve inner cavity is connected with screw rod by screwing, the lower end of screw rod is fixedly connected with support leg, reinforcing plate is sleeved on the outer surface of support leg.

[0010] Further, the number of splicing plates is several, and the two adjacent splicing plates are connected by sliding through the T-shaped protrusion and the T-shaped recess.

[0011] Further, the left side frame is connected with the T-shaped recess on one side of the splicing plate through the T-shaped protrusion, and the right side frame is connected with the T-shaped protrusion on one side of the splicing plate through the T-shaped recess.

[0012] Further, the reinforcing rod moves in the inner cavity of the left side frame, the right side frame and the limit sleeve respectively, and the reinforcing rod is symmetrically provided with a hole at both ends.

[0013] Further, the upper end of the screw rod is fixedly connected with a rod, and the rod moves in the hole.

[0014] Further, the lower end of the support leg is fixedly connected with a support pad, and the inner cavity of the reinforcing plate is movably connected with a fixing nail.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The left side frame, the right side frame and the plurality of splicing plates are spliced together by the T-shaped protrusion and the T-shaped recess, forming a continuous support surface. The number of splicing plates can be flexibly selected according to the size of the actual coal mine internal passage, meeting the support requirements of coal mine passages of different sizes. The plurality of support legs are screwed on the screw sleeves through the screw rod, supporting the whole device. Each component is a separate part before assembly, which is convenient for operators to transport in narrow coal mines, especially in turns or narrow sections. The components are spliced by a simple mechanical connection method, making the installation and disassembly of the device very simple and fast.

[0018] (2) The scheme limits the position of the splicing plate by inserting the reinforcing rod into the limiting sleeve, prevents displacement when subjected to external force, further enhances the connection strength between the splicing plates, and the reinforcing rod as a beam can enhance the supporting effect, and the supporting legs drive the insertion rod to insert into the insertion hole on the reinforcing rod, limiting the position of the reinforcing rod, avoiding displacement, ensuring stability, the reinforcing plate on the supporting leg can enhance the connectivity and stability between multiple supporting legs, making the whole supporting device more solid and durable. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a whole structure schematic view of the utility model from the top;

[0021] Figure 3 It is a splicing plate structure schematic view of the utility model;

[0022] Figure 4 It is a local structure split schematic view of the utility model.

[0023] Explanation of reference numerals in the drawing:

[0024] 1, left side frame; 101, right side frame; 2, splicing support assembly; 201, splicing plate; 202, T-shaped protrusion; 203, T-shaped groove; 204, limiting sleeve; 205, reinforcing rod; 2051, insertion hole; 3, supporting assembly; 301, screw sleeve; 302, screw rod; 303, insertion rod; 304, supporting leg; 305, supporting pad; 306, reinforcing plate; 307, fixing nail. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model; obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments; based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external", "top / bottom end" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, construct and operate in a particular orientation, therefore cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it needs to explain, unless otherwise explicitly provided and limited, the term "installation", "set with", "sleeve / interface", "connection" and so on, should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment 1

[0029] Refer to Figures 1-3 , the first embodiment of the utility model, the embodiment provides a coal mine tunneling supporting device, including left side frame 1 and right side frame 101, left side frame 1 and right side frame 101 between being provided with splicing support assembly 2, including the T-shaped convex 202 of fixed connection in left side frame 1 and splicing plate 201 one side, right side frame 101 and splicing plate 201 other side are all provided with T-shaped recess 203, left side frame 1, right side frame 101 and splicing plate 201 lower surface are all fixedly connected with limiting sleeve 204, reinforcing rod 205 is arranged in the inner cavity of limiting sleeve 204.

[0030] Specifically, the number of splicing plate 201 is several, and the adjacent two splicing plates 201 are connected through the cooperation of T-shaped convex 202 and T-shaped recess 203, and the left side of left side frame 1 is connected with the T-shaped recess 203 on one side of splicing plate 201 through T-shaped convex 202, and the right side of right side frame 101 is connected with the T-shaped convex 202 on one side of splicing plate 201 through T-shaped recess 203, and reinforcing rod 205 moves in the inner cavity of left side frame 1, right side frame 101 and limiting sleeve 204 respectively, and the both ends of reinforcing rod 205 are symmetrically provided with insertion hole 2051;

[0031] Further, the operator splices together the plurality of splicing plates 201 through the T-shaped protrusions 202 and the T-shaped grooves 203, inserts the T-shaped protrusions 202 into the T-shaped grooves 203, so that the adjacent splicing plates 201 can be closely fitted, the number of the splicing plates 201 can be flexibly selected according to the size of the actual internal passage of the coal mine, and the supporting demand of the coal mine passage of different sizes is met.

[0032] Then the left side frame 1 and the right side frame 101 are spliced on the left and right sides of the plurality of splicing plates 201 through the T-shaped protrusions 202 and the T-shaped grooves 203, the plurality of splicing plates 201 are connected and matched with the left side frame 1 and the right side frame 101 on the left and right sides, a continuous supporting surface is formed, then the reinforcing rod 205 is inserted into the limiting sleeve 204, the position of the splicing plate 201 is limited, displacement of the splicing plate 201 is prevented when subjected to external force, the connection strength between the splicing plates is further enhanced, and meanwhile the reinforcing rod 205 exists as a cross beam, so that the supporting effect is enhanced.

[0033] Embodiment 2

[0034] With reference to Figure 1 , Figure 2 , and Figure 4 , this is the second embodiment of the utility model, which is based on the previous embodiment, the left side frame 1 and the right side frame 101 are provided with a supporting assembly 3 on the lower surfaces, the supporting assembly 3 comprises a plurality of screw sleeves 301 fixedly connected to the lower surfaces of the left side frame 1 and the right side frame 101, screw rods 302 threadedly connected in the inner cavities of the screw sleeves 301, supporting legs 304 fixedly connected to the lower ends of the screw rods 302, and reinforcing plates 306 sleeved on the outer surfaces of the supporting legs 304.

[0035] Specifically, the upper ends of the screw rods 302 are fixedly connected with inserting rods 303, the inserting rods 303 move in the insertion holes 2051, the lower ends of the supporting legs 304 are fixedly connected with supporting pads 305, and the inner cavities of the reinforcing plates 306 are movably connected with fixing nails 307.

[0036] Further, the supporting leg 304 is lifted, the screw rod 302 is rotated and tightened on the screw sleeve 301, at this time, the inserting rod 303 is inserted into the insertion hole 2051 on the reinforcing rod 205, the position of the reinforcing rod 205 is limited, displacement of the reinforcing rod 205 is avoided, and stability is ensured.

[0037] The supporting leg 304 supports the whole device, the contact area with the ground is increased through the supporting pad 305 at the bottom, the pressure is dispersed, the supporting leg 304 is prevented from sinking into soft soil, the reinforcing plate 306 is sleeved on the supporting leg 304, the connectivity and stability between the plurality of supporting legs 304 are enhanced, finally the fixing nail 307 is nailed into the soil to fix the reinforcing plate 306 on the ground, and the whole device is prevented from moving easily.

[0038] Working principle: in the device using process, the operator will splice plate 201 through T-shaped convex 202 and T-shaped groove 203 cooperation splicing together, can according to the actual coal mine internal passage size flexible selection splicing plate 201 number, then the left frame 1 and right frame 101 through T-shaped convex 202 and T-shaped groove 203 cooperation splicing in multiple splicing plate 201 left and right sides, multiple splicing plate 201 interconnect cooperation left frame 1 and right frame 101 on both sides, form continuous support surface, then reinforcing rod 205 is inserted into the limiting sleeve 204 inside, the position of splicing plate 201 is limited, prevent its displacement when subjected to external force, further enhance the connection strength between splicing plate, while reinforcing rod 205 as crossbeam like existence can enhance the support effect, then pick up support leg 304 screw rod 302 is rotated and tightened on the screw sleeve 301, the plug rod 303 is inserted into the insertion hole 2051 on the reinforcing rod 205, the position of reinforcing rod 205 is limited, avoids its displacement, ensures stability, support leg 304 supports the whole device, support leg 304 is provided with reinforcing plate 306, can enhance the connectivity and stability between multiple support legs 304, finally the fixing nail 307 is nailed into the soil for fixing reinforcing plate 306 on the ground, ensure that the whole device will not easily move.

[0039] The above merely describes a preferred embodiment of the present application; however, the scope of protection of the present application is not limited thereto. Any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and improvement concept of the present application, can make equivalent replacement or change, which should be covered within the scope of protection of the present application.

Claims

1. A coal mine tunneling support device, comprising a left side frame (1) and a right side frame (101), characterized in that: A splicing support assembly (2) is provided between the left side frame (1) and the right side frame (101), and a support assembly (3) is provided on the lower surface of the left side frame (1) and the right side frame (101); The splicing support assembly (2) includes a T-shaped protrusion (202) fixedly connected to one side of the left frame (1) and the splicing plate (201), and a T-shaped groove (203) is provided on the other side of the right frame (101) and the splicing plate (201). A limit sleeve (204) is fixedly connected to the lower surface of the left frame (1), the right frame (101) and the splicing plate (201), and a reinforcing rod (205) is inserted into the inner cavity of the limit sleeve (204). The support assembly (3) includes a plurality of threaded sleeves (301) that are uniformly fixedly connected to the lower surfaces of the left side frame (1) and the right side frame (101). The inner cavity of the threaded sleeve (301) is threadedly connected to a screw (302). The lower end of the screw (302) is fixedly connected to a support leg (304). The outer surface of the support leg (304) is fitted with a reinforcing plate (306).

2. The coal mine tunneling support device according to claim 1, characterized in that: There are several splicing plates (201), and two adjacent splicing plates (201) are slidably connected by a T-shaped protrusion (202) and a T-shaped groove (203).

3. The coal mine tunneling support device according to claim 1, characterized in that: The left frame (1) is slidably connected to the T-shaped groove (203) on one side of the splicing plate (201) via a T-shaped protrusion (202), and the right frame (101) is slidably connected to the T-shaped protrusion (202) on one side of the splicing plate (201) via a T-shaped groove (203).

4. A coal mine tunneling support device according to claim 1, characterized in that: The reinforcing rod (205) moves within the inner cavities of the left frame (1), the right frame (101), and the limiting sleeve (204), respectively, and the two ends of the reinforcing rod (205) are symmetrically provided with insertion holes (2051).

5. A coal mine tunneling support device according to claim 4, characterized in that: The upper end of the screw (302) is fixedly connected to the insertion rod (303), and the insertion rod (303) moves within the insertion hole (2051).

6. A coal mine tunneling support device according to claim 1, characterized in that: The lower end of the support leg (304) is fixedly connected to a support pad (305), and the inner cavity of the reinforcing plate (306) is movably connected to a fixing nail (307).

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