CN214145534U

CN214145534U - Tunnel support tilting prevention device

Info

Publication number: CN214145534U
Application number: CN202120147634.5U
Authority: CN
Inventors: 郭成钺; 郭子程; 朱卫华; 冯磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-09-07
Anticipated expiration: 2031-01-19

Abstract

The utility model belongs to the field of roadway support, in particular to a roadway support fall preventer, which comprises a support frame, chutes are arranged on two sides of the outer side wall of the support frame, the outer side wall of the support frame corresponds to the chute position, the sliding frame is connected with a sliding frame, two sides of the outer side wall of the sliding frame are connected with a guard bar through a rotating seat, and a bolt is connected with the middle position of one side of the outer side wall of the sliding frame; through sliding frame, the setting of runner and connecting rod, make the cross connection through two protective rod between the support frame, when making external vibrations and impact cause the effect to the support frame, the restriction through the protective rod can not take place the circumstances of collapsing between the support frame, through the spring, the setting of pressure alarm and adjustable shelf, make the pressure alarm send out the police dispatch newspaper and inform the staff in time to take measures when detecting pressure data and surpass the setting value, the too big emergence of effort that prevents protective rod and support frame and damage the circumstances that leads to the tunnel to sink.

Description

Tunnel support tilting prevention device

Technical Field

The utility model relates to a roadway support field, concretely relates to roadway support prevents down ware.

Background

The basic purpose of supporting the roadway is to alleviate and reduce the movement of surrounding rocks, so that the section of the roadway is not excessively reduced, and meanwhile, the scattered and damaged surrounding rocks are prevented from falling. In order to make the roadway support play an active role in the process of regulating and controlling the deformation of the surrounding rock, the support is arranged before the surrounding rock is loosened and damaged, so that the support and the surrounding rock play a bearing role together under the condition that the surrounding rock still keeps self-bearing force

The prior art has the following problems:

1. in the process of supporting the roadway, the support frame is easy to collapse due to vibration and impact generated during excavation and blasting of the roadway, and the collapsed support frame cannot support the roadway, so that the roadway is easy to collapse to cause dangerous accidents.

2. The support frame is at the in-process that supports the tunnel, and the staff can't be timely learn the effort of tunnel inner wall to the support frame, makes the too big emergence damage of support frame atress lead to the tunnel to obtain the support collapse, causes the threat of life to the staff of work in the tunnel.

In order to solve the problem, the application provides a roadway support fall preventing device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a tunnel support prevents down ware has the characteristics of preventing down with the pressure alarm.

(II) technical scheme

For solving the technical problem, the utility model provides a roadway support prevents down ware, including the support, the spout has been seted up to support lateral wall both sides, the support lateral wall corresponds spout position department is connected with sliding frame, sliding frame lateral wall both sides are connected with the fender rod through rotating the seat, sliding frame lateral wall one side intermediate position department is connected with the bolt, fender rod lateral wall intermediate position department is connected with the rotation cover.

Preferably, the outer side wall of the protection rod is connected with a sliding sleeve, the middle position of one side of the outer side wall of the sliding sleeve is connected with a rotating wheel, and one side of the outer side wall of the rotating wheel is connected with a connecting rod.

Preferably, the number of the sliding sleeves is four, and the four sliding sleeves are respectively distributed on two sides of the outer side wall of each of the two protection rods.

Preferably, the thickness of the sliding frame is equal to the width of the sliding groove.

Preferably, one side of the outer side wall of the support frame is connected with a support plate, one side of the outer side wall of the support plate is connected with a movable frame, the outer side wall of the movable frame is close to the position of the support plate, the spring is connected with the position of the support plate, and the pressure alarm is connected with the middle position of the outer side wall of the support plate.

Preferably, one side of the outer side wall of the supporting plate is connected with a dust blocking plate close to the upper part of the pressure alarm.

Preferably, the height of the dust board is smaller than that of the pressure alarm.

The above technical scheme of the utility model has following profitable technological effect:

1. through the setting of sliding frame, runner and connecting rod, make the timbering carry out the in-process that supports to the tunnel, through the cross connection of two protective rod between the timbering, when making external vibrations and impact cause the effect to the timbering, the condition that can not take place to collapse through the restriction of protective rod between the timbering makes the tunnel can not take place the condition of collapsing because of lacking the support of support.

2. Through the setting of spring, pressure alarm and adjustable shelf, make the timbering frame carry out the in-process that supports to the tunnel, the pressure alarm can detect the effort size of tunnel inner wall to the protective rod to send out the police dispatch newspaper and inform the staff in time to take measures when detecting pressure data and surpassing the setting value, prevent that the too big emergence of effort that protective rod and timbering received from damaging the condition that leads to the tunnel to sink.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the guard bar of the present invention;

fig. 3 is a schematic structural view of the sliding frame of the present invention;

fig. 4 is a schematic view of the supporting plate structure of the present invention.

Reference numerals:

1. a support frame; 21. a chute; 22. a slide frame; 23. a rotating wheel; 24. a connecting rod; 25. a sliding sleeve; 26. a bolt; 27. a guard bar; 28. rotating the sleeve; 29. a rotating seat; 31. a support plate; 32. a spring; 33. a pressure alarm; 34. a dust guard; 35. a movable frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-4, the utility model provides a roadway support prevents down ware, including support 1, spout 21 has been seted up to support 1 lateral wall both sides, and support 1 lateral wall corresponds spout 21 position department and is connected with sliding frame 22, and sliding frame 22 lateral wall both sides are connected with fender rod 27 through rotating seat 29, and sliding frame 22 lateral wall one side intermediate position department is connected with bolt 26, and fender rod 27 lateral wall intermediate position department is connected with and rotates cover 28.

In this embodiment, in order to solve the problem that in the process of supporting a roadway, the support frame 1 is prone to collapse due to vibration and impact generated during excavation and blasting of the roadway, and the collapsed support frame 1 cannot support the roadway, so that the roadway is prone to collapse to cause a dangerous accident.

As shown in fig. 1-3, in the process of supporting a roadway by the supporting frames 1, the supporting frames 1 are connected by the cross connection of the two protection rods 27, so that when external vibration and impact act on the supporting frames 1, the supporting frames 1 cannot collapse due to the limitation of the protection rods 27, and the roadway cannot collapse due to the lack of support of the supporting frames 1.

It should be noted that the sliding frames 22 connected to both ends of the protection rod 27 can slide in the sliding grooves 21 on the outer sides of the supporting frames 1, so that the protection rod 27 can be adjusted according to the distance between the two supporting frames 1, the applicability is improved, the connecting rod 24 sliding on the protection rod 27 can increase the contact area between the protection rod 27 and the roadway, and the possibility that the collapsed roadway inner wall blocks the roadway is reduced when a dangerous accident occurs.

In this embodiment, in order to solve support frame 1 and in the in-process of supporting the tunnel, the staff can't be timely learn the effort of tunnel inner wall to support frame 1, makes support frame 1 atress too big emergence damage lead to the tunnel can't support and collapse, causes life threat's problem to the staff of work in the tunnel.

As shown in fig. 4, in the process of supporting the roadway by the support frame 1, the pressure alarm 33 can detect the acting force of the inner wall of the roadway on the protection rod 27, and send an alarm to inform a worker to take measures in time when detecting that the pressure data exceeds a set value, so as to prevent the situation that the roadway is collapsed due to damage caused by the overlarge acting force received by the protection rod 27 and the support frame 1.

In this embodiment, in order to make the protection rod 27 strengthen the supporting and protecting function of the roadway, further, the outer side wall of the protection rod 27 is connected with a sliding sleeve 25, the middle position of one side of the outer side wall of the sliding sleeve 25 is connected with a rotating wheel 23, and one side of the outer side wall of the rotating wheel 23 is connected with a connecting rod 24.

In order to allow the connecting rod 24 to be connected to the outside of the protection rod 27 and move with the protection rod 27, it is further preferable that the number of the sliding sleeves 25 is four, and the four sliding sleeves 25 are respectively distributed on both sides of the outside walls of the two protection rods 27.

In order to tightly fit the slide frame 22 and the slide groove 21, the thickness of the slide frame 22 is equal to the width of the slide groove 21.

In order to detect the pressure data between the protection rod 27 and the roadway, the outer side wall of the support frame 1 is connected with a support plate 31, the outer side wall of the support plate 31 is connected with a movable frame 35, the outer side wall of the movable frame 35 is connected with a spring 32 at a position close to the support plate 31, and the middle position of the outer side wall of the support plate 31 is connected with a pressure alarm 33.

In order to reduce the interference of dust with the pressure alarm 33, a dust guard 34 is further attached to the outer side wall of the support plate 31 near the upper side of the pressure alarm 33.

In order that the dust guard 34 does not affect the movement of the movable frame 35, it is further preferable that the height of the dust guard 34 is smaller than the height of the pressure alarm 33.

The utility model discloses a theory of operation and use flow: the in-process that the tunnel was supported to support frame 1, cross connection through two protective rod 27 between the support frame 1, when making external vibrations and impact cause the effect to support frame 1, the restriction through protective rod 27 can not take place the circumstances of collapsing between the support frame 1, make the tunnel can not take place the circumstances of collapsing because of lacking the support of support frame 1, pressure alarm 33 can detect the effort size of tunnel inner wall to protective rod 27, and send out the police dispatch newspaper when detecting pressure data and surpassing the setting value and inform the staff in time to take measures, the too big circumstances that the injury leads to the tunnel to collapse of taking place of effort that prevents protective rod 27 and support frame 1 and receive.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a roadway support prevents down ware, a serial communication port, including support frame (1), spout (21) have been seted up to support frame (1) lateral wall both sides, support frame (1) lateral wall corresponds spout (21) position department is connected with sliding frame (22), sliding frame (22) lateral wall both sides are connected with fender rod (27) through rotating seat (29), sliding frame (22) lateral wall one side intermediate position department is connected with bolt (26), fender rod (27) lateral wall intermediate position department is connected with and rotates cover (28).

2. The roadway support fall preventer according to claim 1, wherein a sliding sleeve (25) is connected to the outer side wall of the protection rod (27), a rotating wheel (23) is connected to the middle position of one side of the outer side wall of the sliding sleeve (25), and a connecting rod (24) is connected to one side of the outer side wall of the rotating wheel (23).

3. The roadway support fall preventer according to claim 2, wherein the number of the sliding sleeves (25) is four, and the four sliding sleeves (25) are respectively distributed on two sides of the outer side wall of the two protection rods (27).

4. The roadway support fall preventer according to claim 1, wherein the thickness of the sliding frame (22) is equal to the width of the sliding chute (21).

5. The roadway support fall preventer according to claim 1, wherein a supporting plate (31) is connected to one side of the outer side wall of the supporting frame (1), a movable frame (35) is connected to one side of the outer side wall of the supporting plate (31), a spring (32) is connected to the position, close to the supporting plate (31), of the outer side wall of the movable frame (35), and a pressure alarm (33) is connected to the middle position of one side of the outer side wall of the supporting plate (31).

6. The roadway support fall preventer according to claim 5, wherein a dust guard plate (34) is connected to one side of the outer side wall of the support plate (31) close to the upper part of the pressure alarm (33).

7. The roadway support fall preventer according to claim 6, wherein the height of the dust board (34) is smaller than that of the pressure alarm (33).