Mining safety protection support for roadway
By designing the roadways with self-positioned push-up adjustment components and transverse adjustment components, the mining safety protection brackets are solved, and the existing brackets cannot be used for falling caused by failures in tunnels and cylinders of different heights is achieved, height adjustment and temporary support are achieved, and use flexibility and safety are improved.
Patent Information
- Application Number
- CN202421521104.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-02-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing tunnels are not suitable for tunnels of different heights, and the brackets are likely to fall when the cylinder fails, resulting in production accidents, and are not flexible enough to use.
A mining safety protection bracket for tunnels including a self-positioned push-up adjustment assembly and a transverse adjustment assembly is designed. The height of the lifting adjustment plate is adjusted through the self-positioned push-up adjustment assembly, which is suitable for tunnels of different heights, and the extension of the arc-shaped protective extension plate is realized through the transverse adjustment assembly for temporary support and rock-fall barrier.
The height adjustment of the bracket is realized, suitable for tunnels of different heights, avoiding the risk of the lifting adjustment plate falling, and without moving the entire bracket, temporary support and rock-fall barrier can be achieved, making it more flexible and convenient to use.
Smart Images
Figure CN222542464U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of protective supports, in particular to a mining safety protective support for tunnels. Background Art
[0002] The mining safety protection support for tunnels is an indispensable and important equipment in coal mine production. Its main function is to provide sufficient supporting force, resist deformation and damage of surrounding rock, ensure the stability of tunnels, and protect the safety of miners and equipment. However, the existing protection supports are usually fixed in height when in use and cannot be used in tunnels of different heights. Some supports with adjustable heights are usually lifted by cylinders for support. When the cylinder fails, the support is likely to fall and cause production accidents. At the same time, when the support position needs to be changed, the support needs to be moved as a whole. It is not flexible and convenient to use, and there are certain disadvantages in the use process.
[0003] In view of this, the present utility model is proposed. Utility Model Content
[0004] The purpose of the utility model is to provide a mining safety protection support for tunnels in order to solve the above-mentioned problems. The utility model is suitable for use in tunnels of different heights for supporting and can avoid production accidents caused by the falling of the lifting and adjusting plate. It can also achieve temporary support for the top of the tunnel without moving the entire support, thereby blocking falling rocks, and is more flexible and convenient to use.
[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a mining safety protection support for tunnels, comprising a mounting base, the vertical positioning block is fixedly mounted on the top of the mounting base, the vertical positioning block is provided with a mounting slot and a yielding connection slot, the lifting adjustment plate is slidably mounted in the mounting slot, the lifting adjustment plate is fixedly connected to the vertical positioning block through the self-positioning push-up adjustment component, the arc-shaped support block is fixedly mounted on the top of the lifting adjustment plate, the arc-shaped support block is provided with an arc-shaped through-groove, the arc-shaped protection extension plate is slidably clamped in the arc-shaped through-groove, the lateral adjustment component is mounted on the inner wall of the arc-shaped support block, and the arc-shaped protection extension plate is connected to the lateral adjustment component.
[0006] Furthermore, in order to drive the lifting adjustment plate to move up and down in the mounting slot through the lifting connection block, the self-positioning push-up adjustment assembly includes the pushing cylinder and the lifting connection block, the pushing cylinder is fixed on the top of the mounting base, the lifting connection block is fixed on the side wall of the lifting adjustment plate, and the lifting connection block is slidably engaged in the yielding connection slot.
[0007] Furthermore, in order to drive the lifting connection block to move up and down by controlling the lifting cylinder, the lifting connection block is fixedly connected to the telescopic end of the lifting cylinder.
[0008] Furthermore, in order to enable the L-shaped mounting plate to be fixedly connected to the vertical positioning block through the positioning pin rod, the L-shaped mounting plate is fixedly installed on the lifting connection block, the positioning pin rod is slidably installed on one end of the L-shaped mounting plate, and one end of the positioning pin rod is inserted into the positioning pin hole linearly and evenly opened on the vertical positioning block.
[0009] Furthermore, in order to enable the positioning pin rod to slide on one end of the L-shaped mounting plate by controlling the lifting head, the lifting head is fixedly mounted on the other end of the positioning pin rod, and the lifting head is elastically connected to the L-shaped mounting plate via the locking spring.
[0010] Furthermore, in order to control the servo motor to start, the driving threaded rod can rotate in the limiting slide groove through the rotating joint, the lateral adjustment assembly includes a transverse mounting block, the transverse mounting block is fixed on the inner wall of the arc-shaped support block, and a limiting slide groove is provided on the transverse mounting block, the servo motor is fixedly installed on one end of the limiting slide groove, and the other end of the limiting slide groove is rotatably installed on the driving threaded rod through the rotating joint, and one end of the driving threaded rod is fixedly connected to the output shaft of the servo motor.
[0011] Furthermore, in order to drive the threaded slider to slide in the limiting sliding groove by controlling the rotation of the driving threaded rod, the threaded slider is installed on the driving threaded rod, and the threaded slider is slidably engaged in the limiting sliding groove.
[0012] Furthermore, in order to drive the arc-shaped protective extension plate to slide in the arc-shaped through groove by controlling the threaded slider to slide in the limiting slide groove, one end of the threaded slider is slidably engaged in the embedded through hole opened on the arc-shaped support block and fixedly connected to the arc-shaped protective extension plate.
[0013] The technical effects and advantages of the utility model are as follows: the height of the lifting and adjusting plate can be adjusted through the self-positioning push-up adjustment component, which can be suitable for use in support in tunnels of different heights, and the lifting and adjusting plate can be positioned at the same time to avoid production accidents caused by the falling of the lifting and adjusting plate; and through the transverse adjustment component, the arc-shaped protective extension plate can be extended out of the arc-shaped support block, which can achieve temporary support for the top of the tunnel without moving the entire bracket, and achieve blocking of falling rocks, which is more flexible and convenient to use and more practical. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 This is a structural schematic diagram of the self-positioning push-up adjustment assembly of the utility model;
[0016] Figure 3 This is a structural schematic diagram of the vertical positioning block of the utility model;
[0017] Figure 4 This is a schematic diagram of the installation structure of the arc-shaped protective extension plate of the utility model;
[0018] Figure 5 This is a schematic diagram of the structure of the transverse adjustment component of the utility model;
[0019] Figure 6 This is a schematic diagram of the structure of the arc-shaped support block of the utility model;
[0020] In the figure: 1. Mounting base; 2. Vertical positioning block; 3. Lifting adjustment plate; 4. Self-positioning push-up adjustment assembly; 401. Push-up cylinder; 402. Lifting connection block; 403. L-shaped mounting plate; 404. Positioning pin rod; 405. Lifting head; 406. Locking spring; 5. Arc support block; 6. Arc protection extension plate; 7. Transverse adjustment assembly; 701. Transverse mounting block; 702. Servo motor; 703. Rotating joint; 704. Driving threaded rod; 705. Threaded slider. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-Figure 6As shown, a mining safety protection support for tunnels includes a mounting base 1, a vertical positioning block 2 is fixedly installed on the top of the mounting base 1, a mounting slot and a yielding connection slot are opened on the vertical positioning block 2, a lifting adjustment plate 3 is slidably installed in the mounting slot, and the lifting adjustment plate 3 is fixedly connected to the vertical positioning block 2 through a self-positioning push-up adjustment component 4. When in use, the self-positioning push-up adjustment component 4 is controlled to drive the lifting adjustment plate 3 to slide up and down in the mounting slot, so as to adjust the height position of the arc support block 5. It is suitable for tunnels with different heights. After the height position of the arc support block 5 is adjusted, the arc support block 5 can be fixed to the vertical positioning block 2. A fixed connection is provided to make the overall stability of the bracket higher. An arc-shaped support block 5 is fixedly installed on the top of the lifting and adjusting plate 3. An arc-shaped through-groove is provided on the arc-shaped support block 5. An arc-shaped protective extension plate 6 is slidably clamped in the arc-shaped through-groove. A transverse adjustment component 7 is installed on the inner wall of the arc-shaped support block 5. The arc-shaped protective extension plate 6 is connected to the transverse adjustment component 7. The transverse adjustment component 7 is controlled to make the arc-shaped protective extension plate 6 slide in the arc-shaped through-groove so as to extend the arc-shaped protective extension plate 6 out of the arc-shaped through-groove. The arc-shaped protective extension plate 6 can be temporarily used as a support without moving the entire bracket, thereby avoiding production accidents caused by falling rocks. The use is more flexible and convenient.
[0023] The self-positioning push-up adjustment component 4 includes a push-up cylinder 401 and a lifting connection block 402. The push-up cylinder 401 is fixed on the top of the installation base 1, and the lifting connection block 402 is fixed on the side wall of the lifting adjustment plate 3. The lifting connection block 402 is slidably connected in the yielding connection groove. The lifting connection block 402 is fixedly connected to the telescopic end of the push-up cylinder 401. An L-shaped mounting plate 403 is fixedly installed on the lifting connection block 402. A positioning pin rod 404 is slidably installed at one end of the L-shaped mounting plate 403. One end of the positioning pin rod 404 is inserted into the positioning pin hole uniformly opened linearly on the vertical positioning block 2. The positioning pin rod 40 A lifting head 405 is fixedly installed at the other end, and the lifting head 405 is elastically connected to the L-shaped mounting plate 403 through a locking spring 406. When in use, the lifting cylinder 401 is controlled to push the lifting connection block 402 to slide up and down in the yielding connection groove, so as to drive the lifting adjustment plate 3 to move up and down in the mounting slot, so as to adjust the height of the entire bracket. At the same time, under the action of the locking spring 406, the lifting head 405 is fixedly inserted in the positioning pin hole, so as to make the lifting adjustment plate 3 fixedly connected to the vertical positioning block 2, so as to avoid the arc-shaped protective extension plate 6 falling due to the failure of the lifting cylinder 401.
[0024] The lateral movement adjustment component 7 includes a lateral mounting block 701, which is fixed on the inner wall of the arc-shaped support block 5. A limited sliding groove is provided on the lateral mounting block 701. A servo motor 702 is fixedly installed at one end of the limited sliding groove. The other end of the limited sliding groove is rotatably mounted on a driving threaded rod 704 through a rotating joint 703, and one end of the driving threaded rod 704 is fixedly connected to the output shaft of the servo motor 702. A threaded slider 705 is installed on the driving threaded rod 704, and the threaded slider 705 is slidably engaged in the limited sliding groove. One end of the threaded slider 705 is slidably engaged in the embedded through hole provided on the arc-shaped support block 5 and is fixedly connected to the arc-shaped protection extension plate 6. The servo motor 702 is controlled to be turned on, so that the driving threaded rod 704 rotates in the limited sliding groove through the rotating joint 703, driving the threaded slider 705 to slide in the limited sliding groove, so as to drive the arc-shaped protection extension plate 6 to slide in the arc-shaped through-groove, so that the arc-shaped protection extension plate 6 can extend out of the arc-shaped support block 5.
[0025] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A mining safety protection support for a tunnel, comprising a mounting base (1), characterized in that: A vertical positioning block (2) is fixedly installed on the top of the mounting base (1), and a mounting slot and a yielding connection slot are provided on the vertical positioning block (2). A lifting adjustment plate (3) is slidably installed in the mounting slot, and the lifting adjustment plate (3) is fixedly connected to the vertical positioning block (2) through a self-positioning push-up adjustment component (4). An arc-shaped support block (5) is fixedly installed on the top of the lifting adjustment plate (3), and an arc-shaped through-groove is provided on the arc-shaped support block (5). An arc-shaped protective extension plate (6) is slidably engaged in the arc-shaped through-groove. A transverse adjustment component (7) is installed on the inner wall of the arc-shaped support block (5), and the arc-shaped protective extension plate (6) is connected to the transverse adjustment component (7).
2. The mining safety protection support for tunnels according to claim 1 is characterized in that: The self-positioning push-up adjustment component (4) comprises a push-up cylinder (401) and a lifting connection block (402), wherein the push-up cylinder (401) is fixed on the top of the mounting base (1), and the lifting connection block (402) is fixed on the side wall of the lifting adjustment plate (3), and the lifting connection block (402) is slidably engaged in the yielding connection groove.
3. The mining safety protection support for tunnels according to claim 2 is characterized in that: The lifting connection block (402) is fixedly connected to the telescopic end of the lifting cylinder (401).
4. The mining safety protection support for tunnels according to claim 3 is characterized in that: An L-shaped mounting plate (403) is fixedly mounted on the lifting connection block (402), a positioning pin rod (404) is slidably mounted on one end of the L-shaped mounting plate (403), and one end of the positioning pin rod (404) is inserted into a positioning pin hole uniformly and linearly provided on the vertical positioning block (2).
5. The mining safety protection support for tunnels according to claim 4 is characterized in that: A lifting head (405) is fixedly mounted on the other end of the positioning pin rod (404), and the lifting head (405) is elastically connected to the L-shaped mounting plate (403) via a locking spring (406).
6. The mining safety protection support for tunnels according to claim 1 is characterized in that: The transverse adjustment assembly (7) comprises a transverse mounting block (701), wherein the transverse mounting block (701) is fixed on the inner wall of the arc-shaped support block (5), and a limiting slide groove is provided on the transverse mounting block (701), a servo motor (702) is fixedly mounted on one end of the limiting slide groove, and the other end of the limiting slide groove is rotatably mounted on a driving threaded rod (704) via a rotating joint (703), and one end of the driving threaded rod (704) is fixedly connected to the output shaft of the servo motor (702).
7. The mining safety protection support for tunnels according to claim 6 is characterized in that: A threaded slider (705) is mounted on the driving threaded rod (704), and the threaded slider (705) is slidably engaged in the limiting sliding groove.
8. The mining safety protection support for tunnels according to claim 7 is characterized in that: One end of the threaded slider (705) is slidably engaged in an embedded through hole provided on the arc-shaped support block (5) and is fixedly connected to the arc-shaped protective extension plate (6).