CN213869910U

CN213869910U - Geotechnical engineering construction is with supporting protector

Info

Publication number: CN213869910U
Application number: CN202023068051.8U
Authority: CN
Inventors: 李志平
Original assignee: Hunan City University
Current assignee: Hunan City University
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-03
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a supporting and protecting device for geotechnical engineering construction, which comprises a base and a flat plate, wherein the base comprises a first bottom plate and a second bottom plate which are arranged side by side, the first bottom plate and the second bottom plate are connected through a telescopic device, and one end of the first bottom plate, which is back to the second bottom plate, is fixedly provided with a supporting rod which inclines inwards; two ends of the flat plate are respectively hinged with a vertical plate, and the lower ends of the vertical plates are respectively hinged with the upper ends of the supporting rods on the first bottom plate and the second bottom plate; the flat plate is provided with a plurality of supporting pieces. The utility model discloses simple structure, convenient operation, the firm support is reliable, and stability is good.

Description

Geotechnical engineering construction is with supporting protector

Technical Field

The utility model belongs to the technical field of geotechnical engineering construction equipment, concretely relates to geotechnical engineering construction is with supporting protector.

Background

Geotechnical engineering is a new technical system established in civil engineering practice in the 60 s of the 20 th century in European and American countries, and is a research object of geotechnical engineering, which solves problems of rock and soil engineering, including foundation and foundation, slope, underground engineering and the like. In the geotechnical engineering work progress among the prior art, to the not tunnel of co-altitude, need be used for supporting the tunnel with the back timber of installing co-altitude not, and when supporting the tunnel among the prior art, adopt the ejector pin to support the top and the lateral wall in tunnel usually, but this kind of support mode is not hard up easily, and the risk of tunnel collapse is great.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a geotechnical engineering construction is with supporting protector which simple structure, convenient operation, the support is firm, and stability is good.

The utility model adopts the technical proposal that: a supporting and protecting device for geotechnical engineering construction comprises a base and a flat plate, wherein the base comprises a first bottom plate and a second bottom plate which are arranged side by side, the first bottom plate and the second bottom plate are connected through a telescopic device, and supporting rods which incline inwards are fixedly arranged at the ends of the first bottom plate, which are opposite to the second bottom plate; two ends of the flat plate are respectively hinged with a vertical plate, and the lower ends of the vertical plates are respectively hinged with the upper ends of the supporting rods on the first bottom plate and the second bottom plate; the flat plate is provided with a plurality of supporting pieces.

Among the foretell geotechnical engineering construction is with supporting protector, the telescoping device adopt the jack, be equipped with the mounting groove on the side of first bottom plate orientation second bottom plate, the one end of jack is installed in the mounting groove, the other end is connected with the side of second bottom plate orientation first bottom plate.

In the support protection device for geotechnical engineering construction, the side surface of the first base plate, which faces the second base plate, is provided with two parallel guide holes, the side surface of the second base plate, which faces the first base plate, is fixedly connected with two parallel guide rods, and the two guide rods are respectively inserted into the two guide holes and can slide along the guide holes in a reciprocating manner; the axis of the guide rod is parallel to the axis of the jack.

In the support protection device for geotechnical engineering construction, the first bottom plate and the second bottom plate are respectively provided with two support rods, and the upper ends of the two support rods on the first bottom plate and the second bottom plate are respectively provided with a hinge hole; the hinge holes at the upper ends of the two supporting rods on the first bottom plate are coaxial, and the hinge holes at the upper ends of the two supporting rods on the second bottom plate are coaxial; a fastening screw hole is arranged on the side part of the hinge hole, and a fastening screw is arranged in the fastening screw hole; the hinged shafts on the two side surfaces of the vertical plate are respectively arranged in the two hinged holes at the upper ends of the two supporting rods of the first bottom plate or the two hinged holes at the upper ends of the two supporting rods of the second bottom plate.

Among the foretell geotechnical engineering construction is with supporting protector, support piece includes the backup pad, and the cross-section of backup pad is the arc, and the middle part bottom of backup pad is equipped with a plurality of rotation grooves, and a plurality of rotation grooves are located the same generating line of backup pad, rotate the inslot and are equipped with the turning block, and the turning block is connected with the upper end of a plurality of first screw rods, first screw rod and dull and stereotyped spiro union.

Among the foretell geotechnical engineering construction is with supporting protector, backup pad both ends department bottom respectively fixed mounting a vertical slide bar that sets up, be equipped with the slide opening corresponding to the slide bar on the flat board, the slide bar passes and can follow the slide opening and slide from top to bottom from the slide opening.

Among the above-mentioned geotechnical engineering construction is with supporting protector, be equipped with a set of second screw hole on the riser, every second screw hole all is equipped with a second screw rod, and the outer end fixed mounting of second screw rod has the roof.

Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model has simple structure, convenient operation and low cost; the vertical plate of the utility model can rotate relative to the supporting rod, so that the supporting direction can be adjusted according to the landform of each part of the exploration roadway, and the supporting plate faces to the top direction of the roadway with large active soil pressure; the utility model discloses a backup pad can produce decurrent pressure to the flat board under the supporting role, and the thrust of this partial decurrent pressure conversion to first bottom plate and second bottom plate supports the tunnel bottom through first bottom plate and second bottom plate, supports firmly reliably, stability is good.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the base of the present invention.

FIG. 3 is a schematic view of the connection structure of the support rod and the vertical plate of the present invention

Fig. 4 is an enlarged view at a in fig. 1.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses a base 1 and flat board 5, base 1 is including first bottom plate 11 and the second bottom plate 12 that sets up side by side, is equipped with mounting groove 13 on the side of first bottom plate 11 orientation second bottom plate 12, is equipped with 14 one ends of jack in mounting groove 13, the other end of jack 14 and the side fixed connection of second bottom plate 12 orientation first bottom plate 11. The jack 14 may be replaced by an electric push rod or a hydraulic cylinder to realize the relative movement of the first bottom plate 11 and the second bottom plate 12. The side of the first base plate 11 facing the second base plate 12 is provided with two parallel guide holes, and the axes of the guide holes are parallel to the axis of the jack 14. The second bottom plate 12 is fixedly connected with two guide rods 15 towards the side of the first bottom plate 11, and the two guide rods 15 are respectively inserted into the two guide holes and can slide along the guide holes in a reciprocating manner. When the first base plate 11 and the second base plate 12 move relatively, the guide rod 15 can guide the first base plate 11 and the second base plate 12, and when the support is performed, the guide rod 15 can prevent the first base plate 11 and the second base plate 12 from being displaced laterally.

The two inward-inclined support rods 2 are fixedly connected to the opposite ends of the first bottom plate 11 and the second bottom plate 12, the angle between the support rod 2 on the first bottom plate 11 and the first bottom plate 11 is 70 degrees, and the angle between the support rod 2 on the second bottom plate 11 and the second bottom plate 12 is 70 degrees. The upper ends of the two support rods 2 on the first bottom plate 11 and the second bottom plate 12 are respectively provided with a hinge hole; the hinge holes at the upper ends of the two support rods 2 on the first bottom plate 11 are coaxial, and the hinge holes at the upper ends of the two support rods on the second bottom plate 12 are coaxial. And a fastening screw hole is arranged on the side part of the hinge hole, and a fastening screw is arranged in the fastening screw hole. The hinge shafts on the two side surfaces of the vertical plate 3 are respectively arranged in two hinge holes at the upper ends of two support rods of the first bottom plate 11 or two hinge holes at the upper ends of two support rods of the second bottom plate 12.

The upper ends of the two vertical plates 3 are respectively hinged with the two ends of the flat plate 5, and the flat plate 5 is provided with a plurality of supporting pieces 6. Support piece 6 include first screw rod 61 and backup pad 62, the cross-section of backup pad 62 is the arc, the middle part bottom of backup pad 62 is equipped with a plurality of rotation grooves, a plurality of rotation grooves are located the same generating line of backup pad 62, rotate the inslot and be equipped with turning block 63, turning block 63 is connected with the upper end of a plurality of first screw rods 61, first screw rod 61 and dull and stereotyped 5 spiro union. Two vertically arranged sliding rods 64 are fixedly mounted at the bottoms of the two ends of the supporting plate 62, sliding holes are formed in the flat plate 5 corresponding to the sliding rods 64, and the sliding rods 64 penetrate through the sliding holes and can slide up and down along the sliding holes. The sliding rod 64 can limit the position of the support plate 62, and can prevent the support plate 62 from rotating when the first screw 61 is rotated. Be equipped with a set of second screw hole 31 on riser 3, every second screw hole of group includes the three second screw hole that is located same horizontal plane, all is equipped with second screw rod 4 in every second screw hole, and the outer end fixed mounting of second screw rod 4 has roof 41. The side wall of the tunnel can be supported by the roof plate 41.

The utility model discloses when using, can change the bearing height of backup pad 62 through first screw rod 61, because first bottom plate 11 can relative movement with second bottom plate 12, can make the utility model discloses the tunnel that is fit for co-altitude, different width uses, because riser 3 can rotate for bracing piece 2, also can adjust the direction of support according to the topography of surveying the tunnel each side and doing like this, with the backup pad towards the big tunnel top direction of initiative soil pressure. The supporting plate 62 can generate downward pressure on the flat plate 5 under the supporting effect, the downward pressure can be converted into thrust to the first bottom plate 11 and the second bottom plate 12, the roadway bottom is supported through the first bottom plate 11 and the second bottom plate 12, and the supporting is firm and reliable and the stability is good.

Claims

1. The utility model provides a geotechnical engineering construction is with supporting protector, characterized by: the base comprises a first bottom plate and a second bottom plate which are arranged side by side, the first bottom plate and the second bottom plate are connected through a telescopic device, and supporting rods which incline inwards are fixedly arranged at the ends of the first bottom plate, which are opposite to the second bottom plate, respectively; two ends of the flat plate are respectively hinged with a vertical plate, and the lower ends of the vertical plates are respectively hinged with the upper ends of the supporting rods on the first bottom plate and the second bottom plate; the flat plate is provided with a plurality of supporting pieces.

2. The geotechnical engineering construction support protector according to claim 1, wherein: the telescopic device adopts a jack, a mounting groove is formed in the side face, facing the second bottom plate, of the first bottom plate, one end of the jack is mounted in the mounting groove, and the other end of the jack is connected with the side face, facing the first bottom plate, of the second bottom plate.

3. The geotechnical engineering construction supporting and protecting device according to claim 2, wherein: the side surface of the first bottom plate facing the second bottom plate is provided with two parallel guide holes, the side surface of the second bottom plate facing the first bottom plate is fixedly connected with two parallel guide rods, and the two guide rods are respectively inserted into the two guide holes and can slide along the guide holes in a reciprocating manner; the axis of the guide rod is parallel to the axis of the jack.

4. The geotechnical engineering construction support protector according to claim 1, wherein: the first bottom plate and the second bottom plate are respectively provided with two supporting rods, and the upper ends of the two supporting rods on the first bottom plate and the second bottom plate are respectively provided with a hinge hole; the hinge holes at the upper ends of the two supporting rods on the first bottom plate are coaxial, and the hinge holes at the upper ends of the two supporting rods on the second bottom plate are coaxial; a fastening screw hole is arranged on the side part of the hinge hole, and a fastening screw is arranged in the fastening screw hole; the hinged shafts on the two side surfaces of the vertical plate are respectively arranged in the two hinged holes at the upper ends of the two supporting rods of the first bottom plate or the two hinged holes at the upper ends of the two supporting rods of the second bottom plate.

5. The geotechnical engineering construction support protector according to claim 1, wherein: support piece includes the backup pad, and the cross-section of backup pad is the arc, and the middle part bottom of backup pad is equipped with a plurality of rotation grooves, and a plurality of rotation grooves are located the same generating line of backup pad, rotate the inslot and are equipped with the turning block, and the turning block is connected with the upper end of a plurality of first screw rods, first screw rod and dull and stereotyped spiro union.

6. The geotechnical engineering construction support protector according to claim 5, wherein: the bottom of the two ends of the supporting plate is respectively and fixedly provided with a vertically arranged sliding rod, a sliding hole is formed in the flat plate corresponding to the sliding rod, and the sliding rod penetrates through the sliding hole and can slide up and down along the sliding hole.

7. The geotechnical engineering construction support protector according to claim 1, wherein: a group of second threaded holes are formed in the vertical plate, a second screw rod is arranged in each second threaded hole, and a top plate is fixedly mounted at the outer end of each second screw rod.