CN219033251U

CN219033251U - Pressure supplementing device for foundation pit support

Info

Publication number: CN219033251U
Application number: CN202223139891.8U
Authority: CN
Inventors: 巩林琳; 张金秀; 毛红庆; 孙文刚; 杨明旭; 李树静; 郭收田; 王欢
Original assignee: Zhongqi Jiaojian Group Corp Ltd
Current assignee: Zhongqi Jiaojian Group Corp Ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-16
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a pressure supplementing device for foundation pit support, which comprises: the support block, the mounting panel is installed in the bottom of support block, and the inserted block, the quantity of inserted block is four and sets up the four corners department at the mounting panel top respectively, and drive pressure compensating mechanism, drive pressure compensating mechanism sets up on the support block, drive pressure compensating mechanism includes fixed slot and fixed block, the inside at the support block is seted up to the fixed slot. According to the utility model, through the mutual matching of the fixed groove, the fixed block, the air cylinder, the movable plate, the inclined plate, the roller, the connecting block, the pressure supplementing block, the fixed rod, the stop block, the elastic piece, the connecting groove, the movable block, the support plate, the clamping groove, the pull block, the clamping block, the fixed bolt and the mud guard, the foundation pit is conveniently subjected to pressure supplementing and supporting, the condition that external equipment is required to operate when the foundation pit is subjected to pressure supplementing is avoided, the working efficiency is prevented from being influenced, the stability after the pressure supplementing supporting is ensured, and the practicability is improved.

Description

Pressure supplementing device for foundation pit support

Technical Field

The utility model relates to the technical field of foundation pit support, in particular to a pressure supplementing device for foundation pit support.

Background

The foundation pit is the earth pit excavated according to the substrate elevation and the basic plane dimension in the foundation design position, in order to guarantee the safety of underground structure construction and foundation pit surrounding environment, usually need set up the foundation pit support, the foundation pit support can receive the soil pressure from the foundation pit both sides, and the foundation pit uses the surrounding soil nature for a long time can become soft to need to increase the pressure to the foundation pit both sides.

According to the application number: CN202020055372.5, a pressure compensating device for foundation pit support, comprising a pressure compensating mechanism, wherein two mud flaps are arranged on two sides of the inner wall of the foundation pit in a fitting way, the pressure compensating mechanism is arranged between the two mud flaps, and the pressure compensating mechanism is used for extruding the mud flaps; the pressure supplementing mechanism comprises a supporting block, a stand column, a base, a supporting rod and a limiting block, wherein the stand column is fixedly connected to one side of the foundation pit, the stand column is of a cylindrical structure, a central shaft is in the vertical direction, the bottom of the stand column is inserted into the bottom surface of the foundation pit, a plurality of limiting blocks are fixedly connected to the stand column, the base is connected to the bottom surface of the foundation pit, the supporting rod is detachably connected to the supporting block, one end of the supporting rod is rotatably connected to the supporting block, the other end of the supporting rod is arranged on the bottom surface of the limiting block and is mutually extruded with the limiting block, the pressure supplementing mechanism is provided with two pressure supplementing mechanisms and is respectively arranged between the two mud baffles, and the technical problem in the prior art is solved, for example: the installation and the disassembly are more troublesome, and the soil pressure resisting effect is more general and has no prestress; the pressure supplementing device of the scheme is complex and troublesome in operation process, and when the later foundation pit needs to be subjected to pressure supplementing, the air cylinder is needed to be placed into the foundation pit again by means of an external air cylinder, and then the air cylinder is used for supplementing the pressure on the two sides of the foundation pit, so that the labor force is increased, the working efficiency is reduced, and therefore, the pressure supplementing device for supporting the foundation pit is provided.

Disclosure of Invention

The utility model aims to provide a pressure supplementing device for foundation pit support, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a pressure compensating device for foundation pit support, comprising:

a support block;

the mounting plate is mounted at the bottom of the supporting block;

the number of the inserting blocks is four, and the inserting blocks are respectively arranged at four corners of the top of the mounting plate;

the driving pressure compensating mechanism is arranged on the supporting block and comprises a fixed groove and a fixed block, the fixed groove is formed in the supporting block, a cylinder is arranged at the bottom of the inner wall of the fixed groove, a movable plate is arranged at the top of the cylinder, inclined plates are arranged on the left side and the right side of the top of the movable plate, rollers are arranged at the top of the inclined plates, one sides, far away from each other, of the two rollers penetrate through the fixed groove and extend to the outside respectively, a connecting block is arranged on one side, far away from the inclined plates, of the rollers, and a pressure compensating block is arranged on one side, far away from the rollers, of the connecting block;

the fixed limiting mechanism is arranged on the supporting block.

Preferably, the number of the fixing blocks is two, the fixing blocks are respectively arranged at the left side and the right side of the bottom of the supporting block, two fixing rods are respectively arranged at one sides of the two fixing blocks, which are close to each other, one end of each fixing rod, which is far away from the corresponding pressure compensating block, is provided with a stop block, one end of each fixing rod, which is close to each fixing block, penetrates through the corresponding fixing block and extends to the outside of the fixing block, and one end of each fixing rod, which is close to the corresponding pressure compensating block, is fixedly connected with the corresponding pressure compensating block.

Preferably, the surface of the fixing rod is sleeved with an elastic piece, and the elastic piece is made of a spring.

Preferably, the fixed limiting mechanism comprises two connecting grooves, the number of the connecting grooves is two, the two connecting grooves are respectively formed in the tops of the left side and the right side of the supporting block, the inner wall of the connecting groove is connected with a moving block in a sliding mode, one sides, far away from each other, of the two moving blocks respectively penetrate through the connecting grooves and extend to the outside of the connecting grooves, and a supporting plate is arranged on one side, far away from the supporting block, of the moving block.

Preferably, the draw-in groove has been seted up at the top of movable block, the left and right sides at supporting shoe top all is provided with draws the piece, draw the bottom of piece to install the fixture block that uses with the draw-in groove cooperation, draw one side that the piece kept away from the supporting plate to be provided with supporting shoe threaded connection's fixing bolt.

Preferably, a mud guard is arranged on one side of the support guard, which is far away from the moving block.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the mutual matching of the fixed groove, the fixed block, the air cylinder, the movable plate, the inclined plate, the roller, the connecting block, the pressure supplementing block, the fixed rod, the stop block, the elastic piece, the connecting groove, the movable block, the support plate, the clamping groove, the pull block, the clamping block, the fixed bolt and the mud guard, the foundation pit is conveniently subjected to pressure supplementing and supporting, the condition that external equipment is required to operate when the foundation pit is subjected to pressure supplementing is avoided, the working efficiency is prevented from being influenced, the stability after the pressure supplementing supporting is ensured, and the practicability is improved.

Drawings

FIG. 1 is a cross-sectional view of a front view of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a front view of a support block of the present utility model;

fig. 3 is a schematic perspective view of the support block and the support plate according to the present utility model.

In the figure: 1 supporting block, 11 mounting panel, 12 inserts, 2 drive pressure compensating mechanism, 21 fixed slot, 22 fixed block, 23 cylinder, 24 fly leaf, 25 swash plate, 26 gyro wheel, 27 connecting block, 28 pressure compensating block, 29 dead lever, 210 dog, 211 elastic component, 3 fixed stop gear, 31 spread slot, 32 movable block, 33 backplate, 34 draw-in groove, 35 pull block, 36 fixture block, 37 fixing bolt, 38 fender.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a pressure compensating device for foundation pit support includes: support block 1 and mounting panel 11, mounting panel 11 is installed in the bottom of support block 1.

The number of the insert blocks 12 is four, and the insert blocks 12 are respectively arranged at four corners of the top of the mounting plate 11, and the bottom of the insert block 12 penetrates through the mounting plate 11 and extends to the outside thereof.

The driving pressure supplementing mechanism 2 is arranged on the supporting block 1, the driving pressure supplementing mechanism 2 comprises a fixed groove 21 and a fixed block 22, the fixed groove 21 is formed in the supporting block 1, a cylinder 23 is fixedly connected to the bottom of the inner wall of the fixed groove 21, a movable plate 24 is fixedly connected to the top of the cylinder 23, a sloping plate 25 is fixedly connected to the left side and the right side of the top of the movable plate 24, a roller 26 is arranged on the top of the sloping plate 25, one end of the roller 26 close to the sloping plate 25 is in rolling contact with the sloping plate 25, one sides of the two rollers 26, which are far away from each other, penetrate through the fixed groove 21 and extend to the outside respectively, one side of the roller 26, which is far away from the sloping plate 25, is fixedly connected with a connecting block 27, one side of the connecting block 27, which is far away from the roller 26, is fixedly connected with a pressure supplementing block 28, the number of the fixed blocks 22 is two, two and the two sides of the fixed blocks 22 are respectively arranged at the left side and the right side of the bottom of the supporting block 1, one sides of the two fixed blocks 22, one sides of the fixed blocks 29, which are close to each other, are fixedly connected with a stop block 210, one side of the fixed rod 29, which is close to the fixed block 210, is close to the supporting block 1 is in sliding contact with the supporting block 1, one side of the fixed block 22 is close to the fixed block 22, and one end of the fixed block 22 is connected to the fixed block 22 through the elastic block 211, and the elastic block 211 are connected to the two elastic blocks through the two elastic blocks and the elastic blocks 211.

The fixed limiting mechanism 3, fixed limiting mechanism 3 sets up on supporting shoe 1, fixed limiting mechanism 3 includes spread groove 31, the quantity of spread groove 31 is two and is offered respectively at the top of supporting shoe 1 left and right sides, sliding connection has movable block 32 on the inner wall of spread groove 31, one side that two movable blocks 32 keep away from each other runs through spread groove 31 respectively and extends to its outside, one side that movable block 32 kept away from supporting shoe 1 fixedly connected with backplate 33, the one side that backplate 33 is close to make-up briquetting 28 contacts with make-up briquetting 28 each other, draw-in groove 34 has been offered at the top of movable block 32, the left and right sides at supporting shoe 1 top all is provided with pull block 35, one side that pull block 35 is close to supporting shoe 1 contacts with supporting shoe 1 each other, the bottom fixedly connected with the fixture block 36 that the fixture block 34 cooperation was used, the bottom of 36 runs through spread groove 31 and fixture block 34 from top to bottom in proper order and extends to the inside of fixture groove 34 and contact each other of the inner wall of fixture block 34, one side that backplate 35 kept away from backplate 33 is provided with fixed fixture block 37 with screw thread connection with supporting backplate 1 each other, one side that baffle 33 kept away from backplate 33 is close to each other with fender 38 of movable block 33 is provided with fender 38.

Through the mutually supporting of fixed slot 21, fixed block 22, cylinder 23, fly leaf 24, swash plate 25, gyro wheel 26, connecting block 27, make-up pressure piece 28, dead lever 29, dog 210, elastic component 211, spread groove 31, movable block 32, backplate 33, draw-in groove 34, pull block 35, fixture block 36, fixing bolt 37 and fender 38 to the convenience is made up pressure and is strutted the foundation ditch, still need operate with the help of external equipment when avoiding making up the pressure to the foundation ditch, thereby avoid influencing work efficiency, guaranteed the stability after the make-up pressure strutted moreover, improved the practicality.

When the movable support is used, the mud guard 38 is firstly placed on two sides of a foundation pit, then the supporting block 1 is placed in the foundation pit through the mounting plate 11, the mounting plate 11 is fixed through the inserting block 12, then the cylinder 23 is started, the cylinder 23 drives the inclined plate 25 to move upwards through the movable plate 24, the inclined plate 25 is provided with inclined planes, the two inclined plates 25 drive the two rollers 26 to move away from each other, the rollers 26 drive the supporting plate 33 to move close to the mud guard 38 through the connecting block 27 and the pressure supplementing block 28, the pressure supplementing block 28 drives the stop block 210 to press the elastic piece 211 to move through the fixing rod 29, the supporting plate 33 drives the movable block 32 to slide in the connecting groove 31, the supporting plate 33 presses the mud guard 38 to move, the two sides of the mud guard 38 and the foundation pit are in tight contact, then the pull block 36 is driven to be inserted into the corresponding clamping groove 34 through the pull block 35, then the inclined plate 35 is fixed through the fixing bolt 37, the cylinder 23 drives the inclined plate 25 to move downwards, the elastic piece 211 drives the stop block 210 to move away from the supporting plate 33 through the restoring elasticity of the elastic piece 211, the two rollers 26 are separated from the supporting plate 28 and the supporting plate 33 through the elastic piece 29, the two rollers 26 move close to each other, and the rollers 26 are kept in a state of being in contact all the state.

When the foundation pit is required to be subjected to pressure supplementing in the later period, the air cylinder 23 moves upwards, the pressure supplementing block 28 is in contact with the support plate 33, the fixing bolts 37 are loosened, the pull block 35 is pulled upwards, the clamping block 36 and the clamping groove 34 are separated, then the air cylinder 23 moves upwards again, the pressure supplementing block 28 drives the support plate 33 to move close to the extrusion mud guard 38, after the pressure supplementing is finished, the pull block 35 drives the clamping block 36 to be inserted into the corresponding clamping groove 34, and then the air cylinder 23 returns to the original position.

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

Claims

1. The utility model provides a pressure compensating device of foundation ditch support which characterized in that includes:

a support block (1);

the mounting plate (11) is arranged at the bottom of the supporting block (1);

the number of the inserting blocks (12) is four, and the inserting blocks (12) are respectively arranged at four corners of the top of the mounting plate (11);

the driving pressure supplementing mechanism (2), the driving pressure supplementing mechanism (2) is arranged on the supporting block (1), the driving pressure supplementing mechanism (2) comprises a fixed groove (21) and a fixed block (22), the fixed groove (21) is formed in the supporting block (1), an air cylinder (23) is arranged at the bottom of the inner wall of the fixed groove (21), a movable plate (24) is arranged at the top of the air cylinder (23), inclined plates (25) are arranged at the left side and the right side of the top of the movable plate (24), rollers (26) are arranged at the top of the inclined plates (25), one sides, away from each other, of the two rollers (26) penetrate through the fixed groove (21) and extend to the outside respectively, a connecting block (27) is arranged at one side, away from the inclined plates (25), of the connecting block (27), and a pressure supplementing block (28) is arranged at one side, away from the rollers (26), of the connecting block (27).

The fixed limiting mechanism (3), the fixed limiting mechanism (3) is arranged on the supporting block (1).

2. The foundation pit supporting pressure compensating device according to claim 1, wherein: the number of the fixing blocks (22) is two, the fixing blocks are respectively arranged at the left side and the right side of the bottom of the supporting block (1), two fixing rods (29) are arranged at one sides, close to each other, of the two fixing blocks (22), one end, far away from the pressure supplementing block (28), of each fixing rod (29) is provided with a stop block (210), one end, close to the fixing block (22), of each fixing rod (29) penetrates through the fixing block (22) and extends to the outside, and one end, close to the pressure supplementing block (28), of each fixing rod (29) is fixedly connected with the pressure supplementing block (28).

3. The foundation pit supporting pressure compensating device according to claim 2, wherein: the surface of the fixed rod (29) is sleeved with an elastic piece (211), and the elastic piece (211) is made of a spring.

4. The foundation pit supporting pressure compensating device according to claim 1, wherein: the fixed limiting mechanism (3) comprises connecting grooves (31), the number of the connecting grooves (31) is two, the two connecting grooves are respectively formed in the tops of the left side and the right side of the supporting block (1), the inner wall of the connecting groove (31) is slidably connected with moving blocks (32), one sides, away from each other, of the two moving blocks (32) respectively penetrate through the connecting grooves (31) and extend to the outside, and a supporting plate (33) is arranged on one side, away from the supporting block (1), of the moving blocks (32).

5. The foundation pit supporting pressure compensating device of claim 4, wherein: clamping grooves (34) are formed in the tops of the moving blocks (32), pull blocks (35) are arranged on the left side and the right side of the tops of the supporting blocks (1), clamping blocks (36) matched with the clamping grooves (34) are arranged at the bottoms of the pull blocks (35), and fixing bolts (37) in threaded connection with the supporting blocks (1) are arranged on one sides, far away from the supporting plates (33), of the pull blocks (35).

6. The foundation pit supporting pressure compensating device of claim 4, wherein: a mud guard (38) is arranged on one side of the support plate (33) far away from the moving block (32).