CN116220807A - Support rod and airtight wall - Google Patents

Abstract

The present disclosure relates to a support pole and a sealing wall, the support pole comprising: a rod body; and the supporting mechanism comprises a first supporting component and a second supporting component, the first supporting component is connected with the first end of the rod body through a first elastic piece, the second supporting component is installed at the second end of the rod body, which is far away from the first elastic piece, and the first elastic piece is used for enabling the first supporting component and the second supporting component to be respectively abutted to the inner wall surface of the roadway so that the rod body is supported in the roadway. Therefore, holes can be prevented from being formed in the inner wall surface of the roadway for the rod body to be inserted, and damage to the roadway can be reduced or even avoided.

Description

Support poles and containment walls

technical field

The disclosure relates to the technical field of coal mine safety construction, in particular, to a support rod and a closed wall.

Background technique

The construction of temporary airtight walls in coal mines is an indispensable technology in the underground production of high-efficiency coal mines with double lane mining. It plays an important role in the process of controlling ventilation and blocking harmful gases such as gas and carbon monoxide in gobs. Among them, in the related art, the construction of the temporary airtight wall under the coal mine can be constructed by a number of metal rods to form the skeleton of the airtight wall; When the poles are built to form the skeleton of the closed wall, in order to ensure the overall stability of the closed wall skeleton, the end part of the metal rod can be inserted into the coal mine roadway wall. This fixing method may cause damage to the roadway wall and pose a safety hazard .

Contents of the invention

The purpose of the present disclosure is to provide a support rod and an airtight wall, which can avoid opening holes on the inner wall of the roadway for rod insertion, thereby reducing or even avoiding damage to the roadway. The skeleton of the airtight wall formed by several support rods can be stabilized The support is in the roadway, and the damage to the roadway wall is reduced, so as to at least partly solve the above-mentioned technical problems.

In order to achieve the above object, the first aspect of the present disclosure provides a support rod, comprising:

rod body; and

The support mechanism includes a first support assembly and a second support assembly, the first support assembly is connected to the first end of the rod body through a first elastic member, and the second support assembly is installed on the rod body away from the The second end of the first elastic member, the first elastic member is used to make the first support assembly and the second support assembly abut against the inner wall surface of the roadway, so that the rod body is supported on the roadway Inside.

Optionally, the rod body is configured as a hollow pipe, the first support assembly includes a first support plate and a guide column, one end of the guide column is fixedly connected to the first support plate, and the other end is movably inserted into the first support plate. Connected to the rod body, the first elastic member abuts between the rod body and the first support plate, and the first support plate is used to directly or indirectly abut against the inner wall surface of the tunnel.

Optionally, one end of the rod body facing the first elastic member is provided with a first stopper, and the first elastic member abuts between the first stopper and the first support plate .

Optionally, the first elastic member is sleeved on the guide column, and the first support assembly further includes a second elastic member sleeved on the outside of the first elastic member, and the second elastic member is One end is fixedly connected to the first support plate, and the other end of the second elastic member is used to abut against the first stopper.

Optionally, both the first elastic member and the second elastic member are configured as springs, and the elastic force of the second elastic member is greater than that of the first elastic member.

Optionally, a first flexible gasket is provided on the end surface of the first support plate away from the end of the guide column.

Optionally, the second support assembly includes a second support plate, a screw and a nut threadedly connected to the screw, one end of the screw is fixedly connected to the first support plate, and the other end is movably inserted into the On the rod body, the second end of the rod body is provided with a second stopper for abutting against the nut, and the second support plate is for directly or indirectly abutting against the inner wall of the tunnel.

Optionally, a second flexible gasket is provided on the end surface of the second support plate away from the end of the screw rod.

The second aspect of the present disclosure also provides an airtight wall, comprising:

A skeleton, the skeleton includes a plurality of longitudinal support rods extending in the vertical direction and arranged at intervals in the horizontal direction, and a plurality of transverse support rods extending in the horizontal direction and arranged at intervals in the vertical direction, the longitudinal support rods and/or The transverse support rod adopts the above-mentioned support rod; and

Sealing cloth, the sealing cloth is laid on the skeleton.

Optionally, intersections of the longitudinal support rods and the lateral support rods are connected by a fixing piece.

Through the above technical solution, several support rods are overlapped to form the skeleton of the airtight wall, wherein the first support assembly arranged at the first end of the rod body and the second support assembly arranged at the second end of the rod body can respectively resist each other through the first elastic member Connected to the inner wall of the roadway, thereby avoiding opening holes on the inner wall of the roadway for rod insertion, thereby reducing or even avoiding damage to the roadway without causing damage to the roadway wall.

Other features and advantages of the present disclosure will be described in detail in the detailed description that follows.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present disclosure, and constitute a part of the description, together with the following specific embodiments, are used to explain the present disclosure, but do not constitute a limitation to the present disclosure. In the attached picture:

FIG. 1 is a schematic diagram of the overall structure of a support frame provided in an exemplary embodiment of the present disclosure;

Fig. 2 is a schematic structural view of a rod body provided in an exemplary embodiment of the present disclosure;

Fig. 3 is a schematic structural diagram of a second support assembly provided in an exemplary embodiment of the present disclosure;

Fig. 4 is a schematic structural diagram of a first support assembly provided in an exemplary embodiment of the present disclosure;

Fig. 5 is a schematic structural view of the airtight wall skeleton provided in the exemplary embodiment of the present disclosure.

Explanation of reference signs

1-rod body; 2-support mechanism; 201-first support component; 2011-first support plate; 2012-guiding column; 202-second support component; 2021-second support plate; 2022-screw; 3-the first elastic member; 4-the first stopper; 5-the second elastic member; 6-the first flexible gasket; 7-the second stopper; 8-the second flexible gasket; 9-skeleton; 10 - Laneway.

Detailed ways

Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

In the present disclosure, unless stated otherwise, "inner and outer" refer to the contours of the corresponding components. In addition, the terms "first", "second" and the like used in the present disclosure are To distinguish one element from another, without order or importance. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated.

Among related technologies, the construction of temporary airtight walls in coal mines is an indispensable technology in the underground production of high-efficiency coal mines mined with double lanes. important role. Among them, the construction of the airtight wall can be constructed by a number of support rods to form the skeleton of the airtight wall, and the sealing cloth is laid on the airtight wall skeleton to form a temporary airtight wall in the coal mine. However, in the actual construction process, personnel In order to improve the overall stability of the airtight wall, both ends of the support rods can be buried inside the roadway wall to make the airtight wall stronger. However, the fixing form of the support rods will cause damage to the roadway wall, and there are certain problems. Security risks.

Based on this, the first aspect of the present disclosure provides a support rod. Referring to FIG. 1 , the support rod includes a rod body 1 and a support mechanism 2. The assembly 201 is connected to the first end of the rod body 1 through the first elastic member 3, and the second support assembly 202 is installed on the second end of the rod body 1 away from the first elastic member 3. The first elastic member 3 is used to make the first support assembly 201 and the second support assembly 202 respectively abut against the inner wall surface of the tunnel 10 so that the rod body 1 is supported in the tunnel 10 .

In the present disclosure, both ends of the support rods are not buried in the roadway 10 , so as to avoid man-made damage to the roadway 10 by the support rods as much as possible. Specifically, the first support assembly 201 and the second support assembly 202 arranged at both ends of the rod body 1 abut against the inner wall of the tunnel 10 , and the support rod can be supported in the tunnel 10 by the elastic force of the first elastic member 3 .

In some embodiments, as shown in FIG. 2 and FIG. 3 , the rod body 1 is configured as a hollow tube, the first support assembly 201 includes a first support plate 2011 and a guide post 2012, and one end of the guide post 2012 is fixedly connected to the first support Plate 2011, the other end of which is movably inserted into the rod body 1, the first elastic member 3 abuts between the rod body 1 and the first support plate 2011, and the first support plate 2011 is used to directly or indirectly abut against the inside of the roadway 10 wall.

In the present disclosure, the first support assembly 201 includes a first support plate 2011 and a guide column 2012, and the rod body 1 is configured as a hollow tube, one end of the guide column 2012 is fixedly connected to the first support plate 2011, and the other end is movably inserted into the first support plate 2011. Connected to the rod body 1, the first elastic member 3 abuts between the rod body 1 and the first support plate 2011. When a support rod is installed, the length of the guide column 2012 extending into the rod body 1 can be adjusted, that is, the The amount of compression of the first elastic member 3 is such that the first support assembly 201 and the second support assembly 202 at both ends of the rod body 1 abut against the inner wall surface of the tunnel 10 respectively.

In the present disclosure, the overall length of the support rods not installed in the roadway 10 is greater than the width or height of the roadway 10, that is, when installing the support rods, it is necessary to move the guide column 2012 toward one end of the second support assembly 202, so that the first An elastic member 3 is compressed, and the overall length of the support rod at this time is less than the width or height of the roadway 10, and then the support rod is placed horizontally or vertically in the roadway 10, and then the guide column 2012 can be positioned on the first elastic member. 3 moves toward the end away from the second support component 202 under the action of the elastic force of the guide column 2012. When the guide column 2012 stops moving, the installation of a support rod is completed. At this time, the first elastic member 3 is still in a compressed state.

In the present disclosure, as shown in FIG. 1 and FIG. 4 , when the support rod is fixed in the tunnel 10, the first support plate 2011 can directly abut against the inner wall of the tunnel 10, and the structure of the first support plate 2011 can be circular. Backing plate, the diameter of the first support plate 2011 is larger than the diameter of the guide column 2012 and the rod body 1, which can make the area of the inner wall of the roadway 10 contacted by the first support plate 2011 larger, and provide good stability for the rod body 1.

In some embodiments, as shown in FIG. 1 and FIG. 4 , in the present disclosure, considering that the tube wall of the rod body 1 is relatively thin, in order to make the contact between the first elastic member 3 and the rod body 1 more stable, a One end of 1 facing the first elastic member 3 is provided with a first stopper 4 , through which the first stopper 4 contacts the first elastic member 3 .

In the present disclosure, the first stopper 4 can be welded on the rod body 1 by using a flange.

In some embodiments, as shown in FIG. 1 and FIG. 4 , the first elastic member 3 can be sleeved on the guide column 2012, and in order to make the support rod more firmly set in the tunnel 10, the first support assembly 201 also It includes a second elastic member 5 sleeved on the outside of the first elastic member 3, and one end of the second elastic member 5 is fixedly connected to the first support plate 2011, and the other end of the second elastic member 5 is used to abut against the first stop The stopper 4 , under the joint action of the first elastic member 3 and the second elastic member 5 , the support rod can be more firmly arranged in the roadway 10 .

In some embodiments, as shown in FIG. 1 and FIG. 4 , in the present disclosure, both the first elastic member 3 and the second elastic member 5 are configured as springs, and the elastic force of the second elastic member 5 is greater than that of the first elastic member 3 of elasticity.

In some implementations, as shown in FIG. 1 and FIG. 4 , in the present disclosure, a first flexible gasket 6 may be provided on the end surface of the first support plate 2011 away from the end of the guide post 2012 , and the first flexible gasket 6 It can be made of rubber material to increase the friction between the first support plate 2011 and the inner wall of the roadway 10, so that the support rod is not easy to shake after installation. At this time, the first support assembly 201 and the second support assembly 202 at both ends of the rod body 1 press the roadway wall in a direction away from the rod body 1, and there is still a risk of damaging the roadway wall. Therefore, the first flexible gasket 6 also plays a role in protecting the roadway wall. effect.

In some embodiments, as shown in FIGS. 1 to 3 , the second support assembly 202 includes a second support plate 2021 , a screw 2022 and a nut 2023 threaded on the screw 2022 , and one end of the screw 2022 is fixedly connected to the first support. The other end of the plate 2011 is movably plugged into the rod body 1, the second end of the rod body 1 is provided with a second stopper 7 for abutting against the nut 2023, and the second support plate 2021 is used for directly or indirectly abutting against the roadway 10 of the inner wall.

In the present disclosure, the second stopper 7 can be welded on the rod body 1 by using a flange.

Specifically, in the first embodiment, when a support rod is installed, the support rod can be assembled, wherein, the nut 2023 can be rotated to fit the second support plate 2021 first, and then the screw rod 2022 Insert one end of the rod body 1, at this time the nut 2023 contacts the second stopper 7, insert the guide column 2012 into the other end of the rod body 1, at this time the first elastic member 3 only contacts the first stopper 4 but does not compress , and the overall length of the support bar is less than the width or height of the roadway 10. After the support bar is assembled, the personnel will move the assembled support bar to a pre-selected position to build a closed wall, and the staff will hold the bar body 1 to horizontally or vertically Place it, then turn the nut 2023 (when the nut 2023 rotates, it is necessary to ensure that the screw rod 2022 will not rotate around its own axis). Move toward one end of the first elastic member 3, and make the first elastic member 3 and the second elastic member 5 start to shrink, and the support bar can be fixed in the tunnel 10 by the elastic force of the first elastic member 3 and the second elastic member 5. force. In addition, by adjusting the position of the nut 2023 , the compression amount of the first elastic member 3 and the second elastic member 5 can be indirectly adjusted, that is, the elastic force of the first elastic member 3 and the second elastic member 5 can be adjusted.

In the second embodiment, when a support rod is installed, the support rod can be assembled, wherein the nut 2023 can be rotated to fit the second support plate 2021 first, and then the screw rod 2022 can be inserted into the rod body 1 At this time, the nut 2023 contacts the second stopper 7, and the guide column 2012 is inserted into the other end of the rod body 1. At this time, the first elastic member 3 only contacts the first stopper 4 but does not compress, and supports The overall length of the rod is less than the width or height of the roadway 10. After the support rod is assembled, the personnel will move the assembled support rod to a pre-selected position for building a closed wall, and the personnel will hold the rod body 1 to place it horizontally or vertically;

After placing, because the elastic force of the first elastic member 3 is less than the second elastic member 5, and in order to reduce the time required for the support rod to be fixed in the roadway 10 as much as possible, the mode of manually moving the rod body 1 by personnel can be used ( At this time, the personnel can move the rod body 1 by holding the rod body 1), and let the first stopper 4 squeeze the first elastic member 3 to compress it (because the elastic force of the first elastic member 3 is small, the personnel do not need to use a larger force, that is, the first elastic member 3 can be easily squeezed by the first stopper 4), until the first stopper 4 is close to the end of the second elastic member 5 away from the first support plate 2011 (at this time The second elastic member 5 is not squeezed by the first stopper 4), and then the staff needs to continue to apply the force of squeezing the first elastic member 3 to the rod body 1, and the personnel continue to apply the force of squeezing the first elastic member 3 to the rod body 1 Turn the nut 2023 during the force process, and then when the nut 2023 touches the second stopper 7, the personnel can remove the force applied on the rod body 1 to squeeze the first elastic member 3, at this time, through the first elastic The elastic force provided by part 3 can preliminarily fix the support rod in the roadway 10;

Finally, in order to ensure that the support rod can be more firmly fixed in the roadway 10, it is necessary to continue to turn the nut 2023. With the rotation of the nut 2023, the first stopper 4 starts to squeeze the second elastic member 5 and makes the second elastic member 5 contraction can be judged by personnel experience, when the second elastic member 5 is compressed to a certain extent, stop turning the nut 2023. Complete the fixation to a support rod.

In the above-mentioned second embodiment, the function of the first elastic member 3 is to provide initial supporting elastic force for the initial installation of the support rod. When the support rod is initially fixed in the roadway 10 by the first elastic member 3, the nut can continue to be rotated. 2023 makes the second elastic member 5 be compressed and provides strong support for the support rod.

In the present disclosure, as shown in FIG. 1 and FIG. 3 , when the support rod is fixed in the tunnel 10, the second support plate 2021 can directly abut against the inner wall of the tunnel 10, and the second support plate 2021 can be configured as a circular pad Plate, the diameter of the second support plate 2021 is larger than the diameter of the screw 2022 and the rod body 1, which can make the area of the inner wall of the roadway 10 contacted by the second support plate 2021 larger, and provide good stability for the rod body 1.

In some embodiments, as shown in FIG. 1 and FIG. 3 , in the present disclosure, a second flexible gasket 8 may be provided on the end surface of the second support plate 2021 away from the end of the screw rod 2022, and the second flexible gasket 8 may It is made of rubber material, which increases the friction between the second support plate 2021 and the inner wall of the roadway 10, so that the support rod is not easy to shake after installation. At this time, the first support assembly 201 and the second support assembly 202 at both ends of the rod body 1 press the wall of the roadway 10 in the direction away from the rod body 1, and there is still a risk of damaging the wall of the roadway 10. Therefore, the second flexible gasket 8 plays a role in protecting the roadway 10. The role of the wall.

On the basis of the above technical solution, the second aspect of the present disclosure also provides an airtight wall, the airtight wall includes a skeleton 9 and a sealing cloth, the skeleton 9 includes a plurality of longitudinal supports extending vertically and arranged at intervals along the horizontal direction Rods and a plurality of horizontal support rods extending in the horizontal direction and arranged at intervals in the vertical direction, the longitudinal support rods and/or the lateral support rods adopt the above-mentioned first aspect or the support rods in any embodiment of the above-mentioned first aspect; the sealing cloth is laid On skeleton 9.

In the present disclosure, as shown in FIG. 5 , after fixing several support rods through the above-mentioned first embodiment or second embodiment, a skeleton 9 of an airtight wall is formed, and a sealing cloth can be laid on the skeleton 9 After the laying is completed, the airtight wall can be finally sealed by spraying mortar on its surface, so that there will be no gap between the sealing cloth and the roadway 10 wall.

In some embodiments, the intersections of the longitudinal support rods and the horizontal support rods are connected by a fixing piece, wherein the fixing piece can be an existing device, such as a hoop, a cross fixing clip, etc., or a wire tightening method is used to tighten the longitudinal The intersection of the support bar and the transverse support bar is connected and fixed.

Description of the process of building a closed wall with a support frame: In this disclosure, the support rod adopts a split design and mainly includes three parts, namely the rod body 1, the first support assembly 201 and the second support assembly 202. When it needs to be built in the roadway 10 When sealing the wall, considering that the space in the roadway 10 is relatively narrow, several rod bodies 1, several first support assemblies 201 and several second support assemblies 202 can be transported into the roadway 10 in batches, and then the above-mentioned In the first embodiment or the second embodiment, several support rods need to be installed and fixed to form a skeleton 9, and then the sealing cloth is laid on the skeleton 9. After the laying is completed, spray mortar on the gap between the sealing cloth and the roadway 10 wall. The gap between them is completely sealed.

The preferred embodiments of the present disclosure have been described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure. These simple modifications all belong to the protection scope of the present disclosure.

In addition, it should be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner if there is no contradiction. The combination method will not be described separately.

In addition, various implementations of the present disclosure can be combined arbitrarily, as long as they do not violate the idea of the present disclosure, they should also be regarded as the content disclosed in the present disclosure.

Claims (10)

1. A support bar, comprising:

a rod body; and

the support mechanism comprises a first support component and a second support component, wherein the first support component is connected with the first end of the rod body through a first elastic piece, the second support component is installed at the second end of the rod body, which is far away from the first elastic piece, and the first elastic piece is used for enabling the first support component and the second support component to be respectively abutted to the inner wall surface of a roadway so that the rod body is supported in the roadway.

2. The support rod according to claim 1, wherein the rod body is configured as a hollow tube body, the first support assembly comprises a first support plate and a guide post, one end of the guide post is fixedly connected to the first support plate, the other end of the guide post is movably inserted into the rod body, the first elastic piece is abutted between the rod body and the first support plate, and the first support plate is used for being directly or indirectly abutted to the inner wall surface of the roadway.

3. The support bar according to claim 2, wherein an end of the rod body facing the first elastic member is provided with a first stopper, and the first elastic member abuts between the first stopper and the first support plate.

4. The support bar of claim 3, wherein the first elastic member is sleeved on the guide post, the first support assembly further comprises a second elastic member sleeved outside the first elastic member, one end of the second elastic member is fixedly connected to the first support plate, and the other end of the second elastic member is used for abutting against the first stop member.

5. The support bar of claim 4, wherein the first resilient member and the second resilient member are each configured as a spring.

6. The support bar of claim 2, wherein the end surface of the first support plate facing away from the end of the guide post is provided with a first flexible spacer.

7. The support rod according to claim 6, wherein the second support assembly comprises a second support plate, a screw rod and a nut screwed on the screw rod, one end of the screw rod is fixedly connected with the first support plate, the other end of the screw rod is movably inserted into the rod body, a second stop piece for abutting against the nut is arranged at the second end of the rod body, and the second support plate is used for directly or indirectly abutting against the inner wall surface of the roadway.

8. The support rod of claim 7, wherein a second flexible spacer is provided on an end face of the second support plate facing away from one end of the screw.

9. A containment wall, comprising:

a skeleton comprising a plurality of longitudinal support rods extending in a vertical direction and arranged at intervals in a horizontal direction and a plurality of transverse support rods extending in a horizontal direction and arranged at intervals in a vertical direction, the longitudinal support rods and/or the transverse support rods adopting the support rods according to any one of claims 1-8; and

and the sealing cloth is paved on the framework.

10. The containment wall of claim 9 wherein the intersections of said longitudinal support bars and said transverse support bars are joined by fasteners.

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