CN217679116U

CN217679116U - Foundation pit supporting device for excavation groove of subway building

Info

Publication number: CN217679116U
Application number: CN202220139148.3U
Authority: CN
Inventors: 王昌; 李海峰; 赵虎; 陈应举; 张俊诚
Original assignee: China Railway 18th Bureau Group Co Ltd
Current assignee: China Railway 18th Bureau Group Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-10-28
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a foundation pit supporting device for a subway building excavation groove, which relates to the technical field of foundation pit supporting and solves the technical problems that the existing supporting device is not suitable for foundation pit supporting protection with different widths, so that the foundation pit can not be stably protected, and the progress of subway building construction is very much like the foundation pit supporting and fixing after excavation; the device comprises a stabilizing base, wherein a supporting sleeve frame is fixedly sleeved in the stabilizing base, two supporting rotating plates are rotatably sleeved in the supporting sleeve frame and symmetrically distributed by taking the axis of the supporting sleeve frame as a center, and a supporting height adjusting assembly is arranged in the supporting sleeve frame; the utility model discloses have the realization and adjust two support radians that support the rotor plate, and then be convenient for carry out the fixed stay to the foundation ditch of different width to and be convenient for will sink the loop bar and extend to among the soil, carry out the outrigger to the stabilizing base in order to reach.

Description

Foundation pit supporting device for excavation groove of subway building

Technical Field

The utility model relates to a foundation ditch support technical field especially relates to a subway building excavates foundation ditch strutting arrangement for slot.

Background

The underground water control method can be used independently or in combination in the modes of open drainage, precipitation, water interception, recharge and the like;

but foundation ditch strutting arrangement in the existing market supports fixedly to the foundation ditch after digging, because current strutting arrangement is not suitable for the foundation ditch of different width to support the protection, and then leads to the foundation ditch can't stabilize the protection, from this very like the progress of subway building construction.

SUMMERY OF THE UTILITY MODEL

The utility model provides a subway building excavates foundation ditch strutting arrangement for slot has solved and has supported fixedly the foundation ditch after excavating, because current strutting arrangement is not suitable for the foundation ditch support protection of different width, and then leads to the foundation ditch can't stabilize the protection, from this very as the technical problem of the progress of subway building construction.

For solving the technical problem, the utility model provides a pair of subway building excavates foundation ditch strutting arrangement for slot, including the stabilizing base, the fixed cover in inside of stabilizing base has cup jointed the support cover frame, the inside of support cover frame is rotated and has been cup jointed two and supported the commentaries on classics board, two support the commentaries on classics board and use the axle center of support cover frame as central symmetric distribution, the inside of support cover frame is equipped with the support height adjusting part, the equal fixed mounting in both sides of stabilizing base has linking sleeve, two linking telescopic inside all is equipped with the rigid coupling subassembly that sinks.

Preferably, the support rotating rod is sleeved in the support sleeve frame in a rotating mode, and the two support rotating plates are sleeved with the support sleeve frame in a rotating mode through the support rotating rod.

Preferably, the supporting height adjusting assembly comprises a turnover sleeve frame, a transfer connecting plate, a limiting spring, a rotating sleeve, a lifting screw, a threaded sleeve and a socket supporting plate, wherein the two sides of the support sleeve frame and two sides of the support sleeve frame are fixedly connected with the turnover sleeve frame, every two corresponding turnover sleeve frames are fixedly connected with the two sides of the support sleeve frame, the two sides of the support sleeve frame are correspondingly fixedly connected with the two sides of the support sleeve frame, the two sides of the support sleeve frame are rotatably connected with the rotating sleeve frame, the lifting screw is sleeved on the outer thread of the lifting screw, and the threaded sleeve is sleeved on the outer thread of the lifting screw, and the two sides of the threaded sleeve frame are fixedly connected with the socket supporting plate.

Preferably, every the inside of switching even board all rotates to cup joint and has rotated the round bar, every the switching even board all rotates through rotating the round bar and cup joint with the upset set frame that gives relatively a year, four rotation handles of lifting screw's outer wall fixedly connected with.

Preferably, the outer parts of the two sleeving support plates are fixedly sleeved with limiting plates, the outer walls of the two limiting plates are in contact with the outer wall of the support sleeve frame, one ends of the two sleeving support plates are rotatably sleeved with support rollers, and the outer wall of each support roller is in contact with the outer wall of the corresponding support rotating plate.

Preferably, the rigid coupling subassembly that sinks is including linking up the cover frame, sinking loop bar, movable groove and servo pneumatic cylinder, two it has linked up the cover frame, two to link up the telescopic inside all fixed cup joint the loop bar that sinks, two to link up the equal activity in inside of cover frame and cup joint the loop bar that sinks, two the movable groove has all been seted up to the inside of the loop bar that sinks, two it has servo pneumatic cylinder, two to link up the equal fixed cup joint in inside of cover frame the top of the inside hydraulic pressure branch of servo pneumatic cylinder and the top fixed connection of movable groove inner wall.

Compared with the prior art, the utility model provides a pair of subway building excavation is foundation ditch strutting arrangement for slot has following beneficial effect:

the utility model provides a subway building excavation is foundation ditch strutting arrangement for slot, it changes the board to have cup jointed two supports through the inside rotation at the support sleeve frame, secondly support the equal fixedly connected with upset cover frame in one side of commentaries on classics board in the both sides of support sleeve frame and two, and then the commentaries on classics is connected the board and is rotated the support, the cooperation has two rotating sleeve at the fixed cover in the inside of support sleeve frame, realize rotating the support to lifting screw, secondly the screw sleeve has been cup jointed at lifting screw's outside screw, and then to cup jointing extension board fixed stay, all contact with the outer wall of corresponding support commentaries on classics board through two support rollers that cup joint the one end of extension board, realize adjusting the support radian of two support commentaries on classics boards from this, and then be convenient for carry out the fixed stay to the foundation ditch of different width.

The utility model provides a subway building digs foundation ditch strutting arrangement for slot, there is linking sleeve through crossing the equal fixed mounting in the both sides of unable adjustment base, secondly it has linking stock all to fix the cup joint in two inside linking sleeves, and then cup joint the support to the loop bar that sinks, the movable groove has all been seted up in the inside of two loop bars that sink down in the cooperation, it has servo hydraulic cylinder all to fix the cup joint in the inside that links up the stock to deuterogamy, make the top of the inside hydraulic pressure branch of servo hydraulic cylinder and the top fixed connection of activity inslot wall, and then be convenient for will sink the loop bar and extend to among the soil, in order to reach and carry out stabilizing support to unable adjustment base.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is an enlarged schematic structural view at a position a of the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B of the present invention.

Reference numbers in the figures: 1. a stabilizing base; 2. a support jacket frame; 3. supporting the rotating rod; 4. supporting the rotating plate; 5. rotating the handle; 6. a joining sleeve; 7. a support height adjustment assembly; 701. turning over the sleeve frame; 702. a connecting plate is connected in a switching way; 703. a limiting spring; 704. rotating the sleeve; 705. a lifting screw; 706. a threaded sleeve; 707. sleeving a support plate; 8. rotating the round bar; 9. sinking the fixed connection component; 901. connecting the sleeve frame; 902. sinking the loop bar; 903. a movable groove; 904. a servo hydraulic cylinder; 10. a limiting plate; 11. and supporting the roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.

Embodiment one is given by fig. 1-4, the utility model discloses a stabilizing base 1, stabilizing base 1's inside fixed cup joints support sleeve frame 2, and support sleeve frame 2's inside is rotated and has been cup jointed two and support swivel plate 4, and two are supported swivel plate 4 and use the axle center of support sleeve frame 2 as central symmetric distribution, and support sleeve frame 2's inside is equipped with and supports high adjusting part 7, and stabilizing base 1's the equal fixed mounting in both sides has linking sleeve 6, and two inside that link up sleeve 6 all are equipped with the rigid coupling subassembly 9 that sinks.

In the second embodiment, on the basis of the first embodiment, the supporting rotating rod 3 is sleeved in the supporting sleeve frame 2 in a rotating manner, and the two supporting rotating plates 4 are respectively sleeved with the supporting sleeve frame 2 in a rotating manner through the supporting rotating rod 3, so that the supporting rotating plates 4 are rotatably supported.

Third embodiment, on the basis of the first embodiment, the supporting height adjusting assembly 7 includes a turning sleeve frame 701, a switching connecting plate 702, a limiting spring 703, a rotating sleeve 704, a lifting screw 705, a threaded sleeve 706 and a socket supporting plate 707, both sides of the supporting sleeve frame 2 and one side of each of the two supporting rotating plates 4 are fixedly connected with the turning sleeve frame 701, the inside of each two corresponding turning sleeve frames 701 is rotatably sleeved with the switching connecting plate 702, the limiting spring 703 is fixedly connected between each two corresponding switching connecting plates 702, the inside of the supporting sleeve frame 2 is fixedly sleeved with the two rotating sleeve 704, the lifting screw 705 is rotatably sleeved between the two rotating sleeve 704, the external thread of the lifting screw 705 is sleeved with the threaded sleeve 706, both sides of the threaded sleeve 706 are fixedly connected with the socket supporting plate 707, thereby adjusting the supporting radian of the two supporting rotating plates 4, and further facilitating the fixed supporting of foundation pits with different widths.

Fourth embodiment, on the basis of third embodiment, the inside of every switching even board 702 all rotates to cup joint and has rotated round bar 8, and every switching even board 702 all rotates to cup joint through rotating round bar 8 and the relative upset set frame 701 that gives a year, and the outer wall fixedly connected with of lifting screw 705 rotates four handles 5, and then is convenient for drive lifting screw 705 and carry out manual rotation adjustment.

Fifth embodiment, on the basis of third embodiment, the limiting plates 10 are all fixedly sleeved outside the two sleeved supporting plates 707, the outer walls of the two limiting plates 10 all contact with the outer wall of the supporting sleeve frame 2, the supporting rollers 11 are all rotatably sleeved at one ends of the two sleeved supporting plates 707, the outer wall of each supporting roller 11 all contacts with the outer wall of the corresponding supporting rotating plate 4, and then the rolling support of the two supporting rotating plates 4 is realized.

Sixth embodiment, on the basis of first embodiment, it is including linking set frame 901 to sink rigid coupling subassembly 9, loop bar 902 sinks, activity groove 903 and servo hydraulic cylinder 904, two inside that link up sleeve 6 are all fixed to have cup jointed linking set frame 901, two inside equal activities that link up set frame 901 have cup jointed the loop bar 902 that sinks, activity groove 903 has all been seted up to two inside that sink loop bar 902, two inside that link up set frame 901 all have cup jointed servo hydraulic cylinder 904, the top of the inside hydraulic pressure branch of two servo hydraulic cylinders 904 and the top fixed connection of activity groove 903 inner wall, and then be convenient for extend to soil in with the loop bar 902 that sinks, in order to reach and carry out the outrigger to stabilizing base 1.

The working principle is as follows:

the first innovation point implementation step:

the first step is as follows: firstly, two supporting rotating plates 4 are rotatably sleeved in the supporting sleeve frame 2, and then the two sides of the supporting sleeve frame 2 and one sides of the two supporting rotating plates 4 are fixedly connected with overturning sleeve frames 701 so as to rotatably support the transferring connecting plate 702;

the second step is that: a limit spring 703 is fixedly connected between each two corresponding adapter connecting plates 702, so that the two support rotating plates 4 can be elastically tightened;

the third step: and then two rotating sleeves 704 are fixedly sleeved in the supporting sleeve frame 2 in a matched manner to realize the rotating support of the lifting screw 705, then a threaded sleeve 706 is sleeved on the external thread of the lifting screw 705, and further the sleeved supporting plate 707 is fixedly supported, and the supporting rollers 11 at one ends of the two sleeved supporting plates 707 are in contact with the outer wall of the corresponding supporting rotating plate 4, so that the supporting radians of the two supporting rotating plates 4 are adjusted, and further the fixed support of foundation pits with different widths is facilitated.

The implementation step of the second innovation point:

the first step is as follows: the two sides of the stabilizing base 1 are fixedly provided with the connecting sleeves 6, and then the insides of the two connecting sleeves 6 are fixedly sleeved with the connecting sleeve frames 901, so that the sinking loop bars 902 are sleeved and supported;

the second step: the inner parts of the two sinking sleeve rods 902 are provided with movable grooves 903;

the third step: and then the servo hydraulic cylinder 904 is fixedly sleeved in the connecting sleeve frame 901, so that the top end of the hydraulic support rod in the servo hydraulic cylinder 904 is fixedly connected with the top of the inner wall of the movable groove 903, and the sinking sleeve rod 902 can be conveniently extended into the soil, so that the stable support of the stable base 1 can be realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a subway building excavation foundation ditch strutting arrangement for slot, includes stabilizing base (1), its characterized in that: the inside fixed cup joint of stabilizing base (1) has support sleeve frame (2), the inside of support sleeve frame (2) is rotated and has been cup jointed two and is supported commentaries on classics board (4), two support commentaries on classics board (4) and use the axle center that supports sleeve frame (2) as central symmetry and distribute, the inside of support sleeve frame (2) is equipped with supports altitude mixture control subassembly (7), the equal fixed mounting in both sides of stabilizing base (1) has linking sleeve (6), two the inside that links up sleeve (6) all is equipped with and sinks rigid coupling subassembly (9).

2. The foundation pit supporting device for the excavation ditch of the subway building according to claim 1, characterized in that the supporting rotating rod (3) is sleeved in the supporting sleeve frame (2) in a rotating manner, and the two supporting rotating plates (4) are both rotatably sleeved with the supporting sleeve frame (2) through the supporting rotating rod (3).

3. The foundation pit supporting device for the excavation trench of the subway building as claimed in claim 1, wherein the supporting height adjusting assembly (7) comprises a turning sleeve frame (701), two turning connecting plates (702), a limiting spring (703), two rotating sleeves (704), a lifting screw (705), a threaded sleeve (706) and a socket plate (707), the turning sleeve frame (701) is fixedly connected to both sides of the supporting sleeve frame (2) and one side of each of the two supporting rotating plates (4), the turning connecting plates (702) are rotatably sleeved inside each two corresponding turning sleeve frames (701), the limiting spring (703) is fixedly connected between each two corresponding turning connecting plates (702), the two rotating sleeves (704) are fixedly sleeved inside the supporting sleeve frame (2), the lifting screw (705) is rotatably sleeved between the two rotating sleeves (704), the threaded sleeve (706) is sleeved on the outer thread of the lifting screw (705), and the socket plate (707) is fixedly connected to both sides of the threaded sleeve (706).

4. The foundation pit supporting device for the excavated trenches of the subway building as claimed in claim 3, wherein a rotating round bar (8) is rotatably sleeved on the inside of each of said switching connection plates (702), each of said switching connection plates (702) is rotatably sleeved with a turning sleeve frame (701) provided for one year through a rotating round bar (8), and four rotating handles (5) are fixedly connected to the outer wall of said lifting screw (705).

5. The foundation pit supporting device for the excavated groove of the subway building as claimed in claim 3, wherein a limiting plate (10) is fixedly sleeved on the outside of each of the two sleeved supporting plates (707), the outer wall of each of the two limiting plates (10) is in contact with the outer wall of the supporting bracket (2), a supporting roller (11) is rotatably sleeved on one end of each of the two sleeved supporting plates (707), and the outer wall of each supporting roller (11) is in contact with the outer wall of the corresponding supporting rotating plate (4).

6. The foundation pit supporting device for the excavation groove of the subway building as claimed in claim 1, wherein said sinking fixedly connecting component (9) comprises a connecting sleeve frame (901), sinking sleeve rods (902), a movable groove (903) and servo hydraulic cylinders (904), the connecting sleeve frame (901) is fixedly sleeved inside both of said two connecting sleeves (6), the sinking sleeve rods (902) are movably sleeved inside both of said two connecting sleeve frames (901), the movable groove (903) is opened inside both of said two sinking sleeve rods (902), the servo hydraulic cylinders (904) are fixedly sleeved inside both of said two connecting sleeve frames (901), and the top ends of the hydraulic support rods inside both of said servo hydraulic cylinders (904) are fixedly connected with the top portions of the inner walls of the movable grooves (903).