CN209875206U - Device for preventing loess earthquake from collapsing - Google Patents

Abstract

The utility model discloses a device for preventing loess earthquake collapse, which comprises two supporting plates, wherein the lower surfaces of the two supporting plates are both attached to the ground, the upper surfaces of the two supporting plates are both fixedly connected with the lower surface of a fixed plate, and a triangular plate b is fixedly arranged at the diagonal position between the fixed plate and the supporting plates; rotate the handle and drive the screw thread post rotatory, under the effect of screw cap, and then the screw thread post reciprocates and drives the connecting plate and reciprocates, make the height of atress board can be adjusted, thereby adapt to the entrance to a cave of co-altitude, and simultaneously, the backup pad plays the supporting role to the fixed plate, the fixed plate passes through the effect of screw thread post and connecting plate and plays the supporting role to the atress board down, can effectually play the effect of preventing collapsing to the entrance to a cave when the earthquake, staff's normal current has been guaranteed, at the effect of set-square b and a plurality of bracing piece, improve holistic supporting effect, more obvious function of preventing collapsing has.

Description

Device for preventing loess earthquake from collapsing

Technical Field

The utility model belongs to the technical field of safety protection, concretely relates to prevent loess earthquake device that collapses.

Background

The loess refers to yellow silty soil with porosity and columnar joints formed under dry climatic conditions, the collapsible loess can generate larger settlement after being soaked by water, the loess is mainly distributed in a relatively dry middle latitude zone of the world continents, the loess plateau in northwest of China is the largest loess plateau of the world, and the loess plain in north China is the largest loess plain of the world.

At present, when carrying out underground work in northwest district, if when taking place the earthquake, because loess self softness, and then the entrance to a cave very easily takes place the phenomenon of collapsing, leads to staff's life safety to receive the threat, can not provide certain safety guarantee of staff, and current strutting arrangement can not adjust according to the height of entrance to a cave, uses inconveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent loess earthquake device that collapses to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the device for preventing loess earthquake collapse comprises two supporting plates, wherein the lower surfaces of the two supporting plates are attached to the ground, the upper surfaces of the two supporting plates are fixedly connected with the lower surface of a fixed plate, a triangular plate b is fixedly arranged at the diagonal position between the fixed plate and the supporting plates, a plurality of supporting rods are fixedly arranged on the bevel edge of the triangular plate b, the bottom ends of the supporting rods are attached to the ground, two screw caps are embedded and clamped on the upper surface of the fixed plate, screw columns are connected in the screw caps in a threaded manner, the top ends of the screw columns are sleeved in bearings, the bearings are clamped on the lower surfaces of the connecting plates, the connecting plates are fixedly arranged on the inner side wall of a stress plate, four fixed blocks a are fixedly arranged on the inner side wall of the stress plate, and the four fixed blocks a are hinged with the other end of a movable rod through movable pins, the other end of the movable rod is hinged with a fixed block b through a movable pin b, the fixed block b is fixedly arranged on the upper surface of the sliding block, and the sliding block is connected in a sliding groove formed in the upper surface of the fixed plate in a sliding mode.

Preferably, the outer side wall of the lower portion of the supporting plate is fixedly provided with three triangular plates a, and the three triangular plates a are respectively located on different side faces of the supporting plate.

Preferably, a handle is fixedly arranged at the bottom end of the threaded column.

Preferably, the middle part of the fixing plate is semicircular.

Preferably, a plurality of reinforcing plates and reinforcing rods are fixedly arranged between the opposite surfaces of the connecting plate and the stress plate, and the reinforcing plates are arranged in a mutually crossed manner.

Preferably, reinforcing ribs which are connected in a transverse and longitudinal cross mode are arranged inside the supporting plate.

Compared with the prior art, the beneficial effects of the utility model are that: rotate the handle and drive the screw thread post rotatory, under the effect of screw cap, and then the screw thread post reciprocates and drives the connecting plate and reciprocates, make the height of atress board can be adjusted, thereby adapt to the entrance to a cave of co-altitude, and simultaneously, the backup pad plays the supporting role to the fixed plate, the fixed plate passes through the effect of screw thread post and connecting plate and plays the supporting role to the atress board down, can effectually play the effect of preventing collapsing to the entrance to a cave when the earthquake, staff's normal current has been guaranteed, at the effect of set-square b and a plurality of bracing piece, improve holistic supporting effect, more obvious function of preventing collapsing has.

Drawings

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

fig. 2 is a schematic structural view of the fixing plate of the present invention viewed from above;

FIG. 3 is a schematic structural view of a cross section of the support plate of the present invention;

in the figure: 1. a support plate; 2. a set square a; 3. a fixing plate; 4. a set square b; 5. a support bar; 6. a threaded cap; 7. a threaded post; 8. a handle; 9. a bearing; 10. a connecting plate; 11. a stress plate; 12. a reinforcing plate; 13. a reinforcing rod; 14. a fixed block a; 15. a movable rod; 16. a fixed block b; 17. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a device for preventing loess earthquake collapse comprises support plates 1, wherein the number of the support plates 1 is two, the lower surfaces of the two support plates 1 are attached to the ground, the upper surfaces of the two support plates 1 are fixedly connected with the lower surface of a fixed plate 3, a triangular plate b4 is fixedly arranged at the diagonal position between the fixed plate 3 and the support plates 1, a plurality of support rods 5 are fixedly arranged on the bevel edge of the triangular plate b4, the bottom ends of the support rods 5 are attached to the ground, two screw caps 6 are embedded and clamped on the upper surface of the fixed plate 3, screw posts 7 are connected with the screw caps 6 in a threaded manner, the top ends of the screw posts 7 are sleeved in bearings 9, the bearings 9 are clamped on the lower surface of a connecting plate 10, the connecting plate 10 is fixedly arranged on the inner side wall of a stress plate 11, four fixed blocks a14 are fixedly arranged on the inner side wall of the stress plate 11, and the four fixed blocks a, the other end of the movable rod 15 is hinged with a fixed block b16 through a movable pin b, the fixed block b16 is fixedly arranged on the upper surface of the sliding block, and the sliding block is connected in a sliding groove formed in the upper surface of the fixed plate 3 in a sliding mode.

In the embodiment, the handle 8 is rotated to drive the threaded column 7 to rotate, under the action of the threaded cap 6, the threaded column 7 moves up and down and drives the connecting plate 10 to move up and down, so that the height of the stress plate 11 can be adjusted to adapt to holes with different heights, meanwhile, the supporting plate 1 plays a supporting role for the fixing plate 3, the fixing plate 3 plays a supporting role for the stress plate 11 under the action of the threaded column 7 and the connecting plate 10, the collapse prevention effect can be effectively played for the holes in an earthquake, the normal passing of workers is ensured, the integral supporting effect is improved under the action of the triangular plate b4 and the plurality of supporting rods 5, the collapse prevention function is more obvious, the threaded column 7 can ensure the normal rotation of the threaded column 7 and is more stable in rotation through the arrangement of the fixed block a14, the movable rod 15 and the fixed block b16, can keep the stability of atress board 11 when reciprocating to can play supplementary atress effect, after the atress board 11 atress is too big leads to screw thread post 7 fracture, atress board 11 moves down, can play the supporting role to atress board 11 under the effect of fixed block a14, movable rod 15 and fixed block b16, make whole can continue to support, provide longer escape time for the staff.

Further, the outer side wall of the lower portion of the support plate 1 is fixedly provided with three triangular plates a2, the three triangular plates a2 are respectively located on different side faces of the support plate 1, and the arrangement of the three triangular plates a2 can improve the stability of the support plate 1 when being placed.

Further, the bottom end of the threaded column 7 is fixedly provided with a handle 8, and the handle 8 is convenient for people to rotate the threaded column 7 to adjust the height of the stress plate 11.

Furthermore, the middle part of the fixing plate 3 is semicircular, so that the passing space of workers is improved.

Furthermore, a plurality of reinforcing plates 12 and reinforcing rods 13 are fixedly arranged between opposite surfaces of the connecting plate 10 and the stress plate 11, the plurality of reinforcing plates 12 are arranged in a mutually crossed mode, and the arrangement of the reinforcing plates 12 and the reinforcing rods 13 improves the stress degree of the stress plate 11.

Furthermore, the reinforcing ribs 17 which are connected in a transverse and longitudinal cross mode are arranged inside the supporting plate 1, so that the strength of the supporting plate 1 can be effectively improved, and a better supporting effect is achieved.

The utility model discloses a theory of operation and use flow: the handle 8 is rotated to drive the threaded column 7 to rotate, under the action of the threaded cap 6, the threaded column 7 moves up and down and drives the connecting plate 10 to move up and down, so that the height of the stress plate 11 can be adjusted, and the stress plate can be adapted to holes with different heights, meanwhile, the supporting plate 1 plays a supporting role for the fixing plate 3, the fixing plate 3 plays a supporting role for the stress plate 11 under the action of the threaded column 7 and the connecting plate 10, the anti-collapse effect can be effectively achieved on the holes during earthquake, the normal passing of workers is ensured, the integral supporting effect is improved under the action of the triangular plate b4 and the plurality of supporting rods 5, the anti-collapse function is more obvious, the stability of the stress plate 11 during the up-and-down movement can be kept through the arrangement of the fixing block a14, the movable rod 15 and the fixing block b16, the auxiliary stress effect can be achieved, after the threaded column 7 is broken due to the overlarge stress of the stress plate, the stress plate 11 moves downwards, and the stress plate 11 can be supported under the action of the fixed block a14, the movable rod 15 and the fixed block b16, so that the whole stress plate can be continuously supported, and a longer escape time is provided for workers.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent loess earthquake collapse device, includes backup pad (1), its characterized in that: the quantity of backup pad (1) is two, and the lower surface of two backup pad (1) all laminates with ground, and the upper surface of two backup pad (1) all is connected with the lower fixed surface of fixed plate (3), diagonal angle department is fixed between fixed plate (3) and backup pad (1) and is equipped with set-square b (4), the hypotenuse of set-square b (4) is fixed and is equipped with a plurality of bracing piece (5), and the bottom of a plurality of bracing piece (5) laminates with ground, the upper surface embedding joint of fixed plate (3) has two screw caps (6), threaded cap (6) female connection has screw post (7), and the top cover of screw post (7) locates in bearing (9), bearing (9) joint is at the lower surface of connecting plate (10), connecting plate (10) are fixed and are located the inside wall of atress board (11), the inside wall of atress board (11) is fixed and is equipped with four fixed block a (14), and the other end of four fixed blocks a (14) is articulated with the other end of movable rod (15) through movable round pin a, the other end of movable rod (15) is articulated mutually with fixed block b (16) through movable round pin b, the upper surface of slider is fixed to fixed block b (16), slider sliding connection is in the spout that fixed plate (3) upper surface was seted up.

2. The loess earthquake collapse preventing device according to claim 1, wherein: the outer side wall of the lower portion of the supporting plate (1) is fixedly provided with three set square boards a (2), and the three set square boards a (2) are respectively located on different side faces of the supporting plate (1).

3. The loess earthquake collapse preventing device according to claim 1, wherein: and a handle (8) is fixedly arranged at the bottom end of the threaded column (7).

4. The loess earthquake collapse preventing device according to claim 1, wherein: the middle part of the fixing plate (3) is semicircular.

5. The loess earthquake collapse preventing device according to claim 1, wherein: a plurality of reinforcing plates (12) and reinforcing rods (13) are fixedly arranged between the opposite surfaces of the connecting plate (10) and the stress plate (11), and the reinforcing plates (12) are arranged in a mutually crossed mode.

6. The loess earthquake collapse preventing device according to claim 1, wherein: reinforcing ribs (17) which are connected in a transverse and longitudinal cross mode are arranged inside the supporting plate (1).