CN114837197A

CN114837197A - Foundation pit supporting structure with foundation pit construction parameter measurement function

Info

Publication number: CN114837197A
Application number: CN202210629852.1A
Authority: CN
Inventors: 赖细玉
Original assignee: Individual
Current assignee: China Railway No 5 Engineering Group Co Ltd; Second Engineering Co Ltd of China Railway No 5 Engineering Group Co Ltd
Priority date: 2022-05-29
Filing date: 2022-05-29
Publication date: 2022-08-02
Anticipated expiration: 2042-05-29
Also published as: CN114837197B

Abstract

The invention relates to the technical field of constructional engineering, in particular to a foundation pit supporting structure capable of measuring foundation pit construction parameters, which comprises a fixed cross beam with an opening at the left end, a limiting sliding chute A arranged on the fixed cross beam, a plurality of supporting measuring structures uniformly connected in the limiting sliding chute A, inclined limiting plates fixedly connected at the upper end and the lower end of the limiting sliding chute A respectively, and a supporting measuring structure, support measurement structure includes trapezoidal removal support, and the upper and lower both ends of removal support are provided with the slant locating plate respectively, and two slant locating plates are sliding connection respectively on two slant limiting plates, rotate on the removal support and are connected with the control post, and sliding connection has the buffering sliding block respectively at the both ends of control post, and two buffering sliding blocks all cup joint the wherein one end of pressure spring I, and the other end of two pressure springs I rigid couplings is on the both ends of control post respectively, and this device can detect the foundation ditch wall whether have the collapse phenomenon.

Description

Foundation pit supporting structure with foundation pit construction parameter measurement function

Technical Field

The invention relates to the technical field of constructional engineering, in particular to a foundation pit supporting structure capable of measuring foundation pit construction parameters.

Background

The foundation pit support is a supporting, blocking, reinforcing and protecting measure adopted for the side wall of the foundation pit and the surrounding environment in order to ensure the safety of the construction of an underground structure and the surrounding environment of the foundation pit. Common supporting construction is strutted by the campshed, and stake props, stake anchor, campshed cantilever etc. and constitutes, and the foundation ditch wall that this structure can only be right supports the protection, and whether produce the collapse to the foundation ditch wall and can't learn, the construction team of being not convenient for carries out intensity enhancement and maintenance to the part of foundation ditch wall.

Disclosure of Invention

The invention aims to provide a foundation pit supporting structure capable of measuring foundation pit construction parameters, which can detect whether the foundation pit wall has collapse or not.

The purpose of the invention is realized by the following technical scheme:

a foundation pit supporting structure with a function of measuring foundation pit construction parameters comprises a fixed cross beam with an opening at the left end, a limiting chute A is arranged on the fixed cross beam, a plurality of supporting measuring structures are uniformly connected in the limiting chute A, the upper end and the lower end of the limiting chute A are fixedly connected with inclined limiting plates respectively, the supporting measuring structures also comprise a supporting measuring structure, the supporting measuring structure comprises a trapezoidal movable support, the upper end and the lower end of the movable support are provided with inclined positioning plates respectively, the two inclined positioning plates are connected to the two inclined limiting plates respectively in a sliding manner, a control column is connected to the movable support in a rotating manner, the two ends of the control column are respectively connected with a buffer sliding block in a sliding manner, one end of a pressure spring I is sleeved on each buffer sliding block, the other ends of the two pressure springs I are fixedly connected to the two ends of the control column respectively, one buffer sliding block is hinged to a distance control sliding block, the other buffer sliding block is hinged to a protective mounting plate, the protective mounting plate is fixedly connected with a control slideway, and the control slideway is connected with a distance control slide block in a sliding manner.

The both ends of moving movable support sliding connection respectively have the dead lever, wherein one end of pressure spring II has all been cup jointed on two dead levers, the other end rigid coupling respectively of two pressure springs II is on the both ends of moving movable support, the rigid coupling has the arc control board respectively on the both ends of control post, the end of two arc control boards supports sliding connection on two dead levers respectively, the rigid coupling has the position sleeve on the moving movable support, be provided with the sliding tray on the control post, sliding connection has the fixed block that turns to in the sliding tray, it has pressure spring III to turn to cup joint on the fixed block, the other end rigid coupling of pressure spring III is on the sliding tray, two dead levers are pegged graft with the horizontal locating hole that corresponds respectively, be provided with two locking grooves on the position sleeve, it connects at the locking groove that corresponds to turn to fixed block sliding connection.

And the protective mounting plate is fixedly connected with a protective plate.

Drawings

The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a general schematic view of the present apparatus;

FIG. 2 is a schematic sectional view showing the connection between the position-limiting sliding groove B and the positioning hole;

FIG. 3 is a schematic view of the connection of the fixed beam to the moving slide;

FIG. 4 is a schematic cross-sectional view of the attachment of the fixed beam to the mobile carriage;

FIG. 5 is a schematic structural view of a mobile carriage;

FIG. 6 is a schematic view of the connection of the mobile carriage to the control column;

FIG. 7 is a schematic view of the connection between the steering fixing block and the sliding groove;

FIG. 8 is a schematic view of the connection of the fixed connection plate A and the fixed connection plate B;

FIG. 9 is a schematic view of the connection of the steering control plate to the positioning rod;

fig. 10 is a schematic view of the connection of the positioning bracket a and the positioning bracket B.

Detailed Description

As shown in fig. 3, the foundation pit supporting structure with the function of measuring foundation pit construction parameters mainly solves the technical problem of measuring the collapse degree of the pit wall and further,

because a foundation pit supporting construction with measure foundation pit construction parameter includes fixed cross beam 3, spacing spout A31, slant limiting plate 32, transverse location hole 33 and support measurement structure, the left end of fixed cross beam 3 is provided with spacing spout A31, evenly be connected with a plurality of support measurement structures in the spacing spout A31, the slant limiting plate 32 that slopes forward has all been welded at the upper and lower both ends of spacing spout A31, the upper and lower both ends of spacing spout A31 are evenly provided with a plurality of transverse location holes 33 from the front to the back. Two ends of the limiting sliding groove A31 are blocked by fixing steel plates through bolts. Support measurement structure including moving support 4, slant locating plate 41, control post 43, buffering sliding block 48, distance control slider 49, protection mounting panel 410 and control slide 411, moving support 4 is the character cut in bas-relief shape, and both ends are provided with the slant locating plate 41 that leans forward respectively about moving support 4's the left side, will move moving support 4 and insert in spacing spout A31, and two slant locating plates 41 are laminated with two slant limiting plates 32 respectively to ensure that moving support 4 can not follow roll-off in spacing spout A31. The center of moving movable support 4 is provided with the through-hole, be provided with the rolling bearing in the through-hole, control post 43 inserts and fixes in the rolling bearing, ensures that control post 43 rotates to be connected on moving movable support 4, the front end of control post 43 is provided with two slip through-holes, two buffering sliding block 48's rear end inserts respectively in two slip through-holes, buffering sliding block 48's rear end has cup jointed pressure spring I respectively, two pressure spring I's rear end is fixed respectively on the upper and lower both ends of control post 43. The bottom end of the protection mounting plate 410 is hinged to one of the buffer sliding blocks 48, the top end of the protection mounting plate 410 is provided with a control slide way 411, the front end of the distance control slide block 49 is provided with a sliding limiting groove, the shape and the size of the sliding limiting groove are equal to those of the control slide way 411, and the rear end of the distance control slide block 49 is hinged to the other buffer sliding block 48. The distance control slider 49 is inserted into the control slide 411 to achieve sliding connection. A protection plate is fixed at the front end of the protection installation plate 410 through bolts, and the front end of the protection plate is ensured to be in contact with the foundation pit wall. The movable support 4 is pushed to move in the limiting sliding groove A31, so that the protection plate can protect the designated range of the foundation pit wall. When the foundation ditch wall takes place to cave in, the earth of cave in can drop on the guard plate, thereby it is rotatory to drive protection mounting panel 410, make the buffer slide block 48 that protection mounting panel 410 both ends are connected remove, receive the striking position difference according to the guard plate, the direction of rotation of protection mounting panel 410 is different, if the upper end of protection mounting panel 410 receives the striking, protection mounting panel 410 upwards rotates, distance control slider 49 that protection mounting panel 410 upper end is connected moves upwards along control slide 411, buffer slide block 48 backward movement who connects on the distance control slider 49 compresses the pressure spring I of contact, buffer slide block 48 forward movement that protection mounting panel 410 lower extreme is connected separates with the pressure spring I of contact. Similarly, when the lower end of the shield installation plate 410 is hit, the shield installation plate 410 rotates downward. The collapse position of the foundation pit wall can be observed according to the rotation direction of the shield installation plate 410. The compressed spring I of shrink can support protection mounting panel 410, supports the protection to the soil of collapsing, avoids soil to fall into in the foundation ditch.

Referring to fig. 1 to 10, there are shown schematic views illustrating the fixing of the moving bracket 4 at a designated position of the restraining chute a31 according to the present invention, and further,

because the support measurement structure still includes dead lever 42, arc control panel 44, abutment sleeve 45, turn to fixed block 46, sliding tray 47 and locking groove 412, it has dead lever 42 to peg graft respectively on the upper and lower both ends of movable support 4, arc control panel 44 has been welded respectively at the upper and lower both ends of control post 43, two arc control panels 44 rub sliding connection with the bottom of two dead levers 42 respectively, pressure spring II has been cup jointed respectively on two dead levers 42, the other end of two pressure spring II welds respectively on the upper and lower both ends of movable support 4, it is rotatory to drive two arc control panels 44 through rotation control post 43, make two rotatory arc control panels 44 promote two dead levers 42 respectively and remove, make the top of two dead levers 42 can insert respectively in the horizontal locating hole 33 to correspond, thereby will remove movable support 4 and fix. The welding has the abutment sleeve 45 on the movable support 4, is provided with two locking grooves 412 on the abutment sleeve 45 respectively, is provided with the sliding tray 47 on the control post 43, turns to the bottom of fixed block 46 and is provided with the polished rod, inserts the polished rod and realizes sliding connection in the sliding tray 47 to turn to fixed block 46 and can coincide with the sliding tray 47 completely, has cup jointed pressure spring III on two polished rods that turn to fixed block 46 respectively, and the other end of two pressure springs III contacts with the sliding tray 47 respectively. The left end and the right end of the top of the steering fixing block 46 are respectively provided with an arc-shaped guide groove, so that the steering fixing block 46 can slide on the two locking grooves 412 of the positioning sleeve 45 to realize sliding connection. When the movable support 4 needs to be fixed, the steering fixing block 46 is pressed downwards, the steering fixing block 46 is separated from the locking groove 412 at the upper end of the positioning sleeve 45, the control column 43 can rotate in the positioning sleeve 45, and the top end of the steering fixing block 46 is pushed by the pressure spring III to be always attached to the inner wall of the positioning sleeve 45. The rotation to the right by 90 degrees enables the steering fixing block 46 to be inserted into the locking groove 412 at the right end, so that the steering fixing block 46 is overlapped with the locking groove 412. The control columns 43 are ensured to be fixed, and the top ends of the two fixing rods 42 are separated from the corresponding transverse positioning holes 33 respectively. When the movable bracket 4 moves to a designated position, the steering fixing block 46 is pressed down, and the reverse rotation control column 43 pushes the two fixing rods 42 to move towards the two ends respectively, so that the front ends of the two fixing rods 42 are inserted into the corresponding transverse positioning holes 33 respectively for fixing.

Referring to fig. 1 to 10, there are shown schematic views of changing the height of the fixing beam 3 and fixing according to the present invention, and further,

because the positioning support A1, the positioning sliding groove A11, the height fixing hole A12, the sliding positioning hole 34, the driving sliding block A54 and the positioning sliding block A55 are provided for measuring the construction parameters of the foundation pit, the two ends of the positioning support A1 are respectively provided with the positioning sliding groove A11, the two positioning sliding grooves A11 are respectively provided with a plurality of height fixing holes A12, the left end and the right end of the fixed cross beam 3 are respectively provided with the sliding positioning holes 34, the left end and the right end of the fixed cross beam 3 are respectively in friction sliding in the two positioning sliding grooves A11, the two positioning sliding blocks A55 are provided, the opposite ends of the two positioning sliding blocks A55 are respectively welded with the fixed sliding rod A, the two fixed sliding rods A are respectively inserted into the two sliding positioning holes 34 to realize sliding connection, and the two fixed sliding rods A are respectively sleeved with a pressure spring IV, one end of each pressure spring IV is respectively contacted with the left end and the right end of the fixed cross beam 3, and the other end of each pressure spring IV is respectively contacted with the two positioning slide blocks A55. The opposite surfaces of the two positioning sliders A55 are respectively provided with a guide plate A, the guide plates A arranged on the two positioning sliders A55 are respectively contacted with two ends of a driving slider A54, chamfers with the same angles as the guide plates A are respectively arranged at the left end and the right end of the driving slider A54, and therefore in the process of pushing the driving slider A54 to move backwards, the two ends of a driving slider A54 can stably push the two positioning sliders A55 to move towards the left end and the right end of the fixed cross beam 3 respectively, the fixed slide rods A of the two positioning sliders A55 can be respectively inserted into corresponding height fixing holes A12, the height of the fixed cross beam 3 is fixed, and the device can support foundation pit walls of any height. When the height of the fixed cross beam 3 needs to be changed, the driving slide block A54 is moved reversely, so that the distance between the two positioning slide blocks A55 is shortened, and the two fixed slide bars A are separated from the corresponding height fixing holes A12 respectively, thereby ensuring that the fixed cross beam 3 can move up and down.

Referring to fig. 1-10, there is shown a schematic view of a rotary control post a5 for controlling the movement of a drive slide a54, and further,

because a foundation pit supporting structure with measurement foundation pit construction parameter includes spacing spout B35, locating hole 36, rotation control post A5, steering control board 52 and locating lever 53, be provided with spacing spout B35 on fixed beam 3, the upper and lower both ends of spacing spout B35 are provided with locating hole 36 respectively, the rear end bolt fastening of drive slider A54 has the area seat bearing, rotation control post A5 inserts in the area seat bearing on drive slider A54 and fixes, realize rotation control post A5 and drive slider A54 rotation connection, the front end welding of rotation control post A5 has steering control board 52, the both ends of steering control board 52 are respectively in the interior friction sliding connection of both ends of spacing spout B35, the welding has locating lever 53 respectively on the both ends of steering control board 52, the size of two locating levers 53 is equal with two locating holes 36 respectively. The rotating control column A5 is pushed to drive the driving slide block A54 to move in the fixed cross beam 3, so that the two positioning slide blocks A55 are controlled to move. In the process of pushing the rotation control column a5 to move backwards, the rotation control panel 52 moves in the limiting sliding groove B35, after the rotation control panel 52 moves to the tail end of the limiting sliding groove B35, the rotation control column a5 is controlled to rotate 90 degrees in any direction, two positioning rods 53 connected to the rotation control column a5 are respectively identical to the two positioning holes 36 in position, and when the two positioning sliders a55 push the two ends of the driving slider a54 to move respectively, the driving slider a54 is driven to move forwards, so that the two positioning rods 53 are respectively overlapped with the two positioning holes 36. Therefore, the rotation control column A5 is fixed, and the pressure springs IV on the two positioning sliders A55 continuously push the two ends of the driving slider A54, so that the two positioning rods 53 are respectively overlapped with the two positioning holes 36, and the height of the fixed cross beam 3 is fixed.

Referring to fig. 1-10, there is shown a schematic view of the height of the movable slider 64 for fixing, thereby providing support to the fixed beam 3, further,

because the foundation pit supporting structure with the function of measuring the construction parameters of the foundation pit comprises a positioning bracket B2, a positioning sliding groove B21, a height fixing hole B22, a fixed connecting plate A51, a rotating control column B6, a fixed connecting plate B61, a driving sliding block B62, a positioning sliding block B63 and a moving sliding block 64, the left end and the right end of location support B2 are provided with location spout B21 respectively, be provided with a plurality of height fixed orifices B22 on two location spouts B21 respectively, the welding has fixed connecting plate A51 on the rotation control post A5, the welding has fixed connecting plate B61 on the rotation control post B6, fixed connecting plate A51 is fixed through the bolt with fixed connecting plate B61, sliding connection has removal slider 64 on the rotation control post B6, the both ends of removal slider 64 are provided with the locking hole respectively, the welding has fixed slide bar B on the opposite end of two location sliders B63 respectively, two fixed slide bar B insert two downthehole sliding connection of locking respectively. The other end of the rotation control column B6 is connected with a bearing with a seat, and the bearing with the seat is fixed on the driving slide block B62 to realize the rotation connection. The left and right ends of the movable slider 64 slide in the two positioning slide grooves B21 by friction. The opposite surfaces of the two positioning sliders B63 are respectively provided with a guide plate B, chamfers with the same angles as the guide plates B are respectively arranged at the left end and the right end of the driving slider B62, so that in the process of pushing the driving slider B62 to move backwards, the two ends of the driving slider B62 can stably push the two positioning sliders B63 to respectively move towards the left end and the right end of the moving slider 64, and the two fixing sliders B can be respectively inserted into the corresponding height fixing holes B22. When the pushing rotation control column a5 is moved to complete the designated height of the fixed cross beam 3 fixed to the rear end of the positioning bracket a1, the rotation control column a5 moves backward to drive the fixed connecting plate a51 to move backward, so as to drive the fixed connecting plate B61 connected with the fixed connecting plate a51 to move backward, thereby driving the rotation control column B6 to move. The rotation control column B6 moving backward drives the connected driving slider B62 to move, and the two ends of the driving slider B62 are used to push the two positioning sliders B63 to move respectively, so as to complete the height fixing of the moving slider 64. The front end of the fixed beam 3 is supported by the movable sliding block 64, so that the stability of the fixed beam 3 is improved.

Claims

1. The utility model provides a foundation ditch supporting construction with measure foundation ditch construction parameter, is provided with open-ended fixed cross beam (3) including the left end, is provided with spacing spout A (31) on fixed cross beam (3), evenly is connected with a plurality of supports in spacing spout A (31) and measures the structure, and the upper and lower both ends of spacing spout A (31) rigid coupling respectively have slant limiting plate (32), its characterized in that: the device also comprises a supporting and measuring structure, the supporting and measuring structure comprises a trapezoidal movable support (4), the upper end and the lower end of the movable support (4) are respectively provided with an oblique positioning plate (41), the two oblique positioning plates (41) are respectively connected on the two oblique positioning plates (32) in a sliding manner, the movable support (4) is connected with a control column (43) in a rotating manner, the two ends of the control column (43) are respectively connected with a buffer sliding block (48) in a sliding manner, the two buffer sliding blocks (48) are respectively sleeved with one end of a pressure spring I, the other ends of the two pressure springs I are respectively fixedly connected on the two ends of the control column (43), one of the buffer sliding blocks (48) is hinged on the distance control sliding block (49), the other buffer sliding block (48) is hinged on the protection mounting plate (410), a control slide way (411) is fixedly connected on the protection mounting plate (410), and the distance control sliding block (49) is connected on the control slide way (411) in a sliding mode.

2. A pit supporting construction with measurement of pit construction parameters according to claim 1, characterized in that: the two ends of the movable support (4) are respectively connected with fixing rods (42) in a sliding manner, one ends of pressure springs II are sleeved on the two fixing rods (42), the other ends of the two pressure springs II are respectively and fixedly connected to the two ends of the movable support (4), arc-shaped control plates (44) are respectively and fixedly connected to the two ends of a control column (43), the tail ends of the two arc-shaped control plates (44) are respectively abutted against the two fixing rods (42) to be connected in a sliding manner, a positioning sleeve (45) is fixedly connected to the movable support (4), a sliding groove (47) is formed in the control column (43), a steering fixing block (46) is slidably connected in the sliding groove (47), a pressure spring III is sleeved on the steering fixing block (46), the other end of the pressure spring III is fixedly connected to the sliding groove (47), the two fixing rods (42) are respectively inserted into corresponding transverse positioning holes (33), two locking grooves (412) are formed in the positioning sleeve (45), the steering fixing blocks (46) are connected with the corresponding locking grooves (412) in a sliding mode.

3. A pit supporting construction with measurement of pit construction parameters according to claim 1, characterized in that: and a protection plate is fixedly connected to the protection mounting plate (410).

4. A pit supporting construction with measurement of pit construction parameters according to claim 1, characterized in that: the positioning device is characterized by further comprising a positioning support A (1), two ends of the positioning support A (1) are respectively provided with a positioning sliding chute A (11), two positioning sliding chutes A (11) are respectively provided with a plurality of height fixing holes A (12), two ends of a fixed cross beam (3) are respectively connected in the two positioning sliding chutes A (11) in a sliding mode, two ends of the fixed cross beam (3) are respectively provided with a sliding positioning hole (34), a driving sliding block A (54) is connected on the fixed cross beam (3) in a sliding mode, positioning sliding blocks A (55) are respectively connected in the two sliding positioning holes (34) in a sliding mode, the two positioning sliding blocks A (55) are respectively connected with two ends of the driving sliding block A (54) in a sliding mode, pressure springs IV are respectively sleeved on the two positioning sliding blocks A (55), and the other ends of the two pressure springs IV are respectively and fixedly connected to two ends of the fixed cross beam (3).

5. A pit supporting construction with measurement of pit construction parameters in claim 4, characterized by: the fixed cross beam (3) is provided with a limiting sliding groove B (35), positioning holes (36) are formed in two ends of the limiting sliding groove B (35) respectively, a rotation control column A (5) is connected to a driving sliding block A (54) in a rotating mode, a steering control plate (52) is fixedly connected to the rotation control column A (5), positioning rods (53) are fixedly connected to two ends of the steering control plate (52) respectively, the steering control plate (52) is connected to the limiting sliding groove B (35) in a sliding mode, and the two positioning rods (53) are connected with the two positioning holes (36) in an inserting mode respectively.

6. A pit supporting construction with measurement of pit construction parameters in claim 5, characterized by: still include locating support B (2), be provided with location spout B (21) on the both ends of locating support B (2) respectively, be provided with a plurality of high fixed orificess B (22) on two location spout B (21) respectively, sliding connection is on two location spout B (21) respectively at the both ends of removal slider (64), sliding connection has location slider B (63) on the both ends of removal slider (64) respectively, pressure spring V has been cup jointed on two location slider B (63) respectively, the other end rigid coupling of two pressure springs V is respectively on the both ends of removal slider (64), sliding connection has drive slider B (62) on removal slider (64), the both ends of drive slider B (62) respectively with two location slider B (63) sliding connection, drive slider B (62) rotate and are connected with rotation control post B (6), rotation control post B (6) sliding connection is on removal slider (64).

7. The excavation supporting structure with the function of measuring excavation construction parameters of claim 6, wherein: the rotary control column A (5) is fixedly connected with a fixed connecting plate A (51), the rotary control column B (6) is fixedly connected with a fixed connecting plate B (61), and the fixed connecting plate A (51) and the fixed connecting plate B (61) are fixed through bolts.

8. A pit supporting construction with measurement of pit construction parameters in claim 4, characterized by: the opposite ends of the two positioning sliding blocks A (55) are respectively provided with a guide plate A, and the two guide plates A are respectively connected with the two ends of the driving sliding block A (54) in a sliding manner.

9. A pit supporting construction with measurement of pit construction parameters in claim 5, characterized by: the opposite ends of the two movable sliding blocks (64) are respectively provided with a guide plate B, and the two guide plates B are respectively connected with the two ends of the positioning sliding block B (63) in a sliding manner.

10. A pit supporting construction with measurement of pit construction parameters according to claim 2, characterized in that: arc-shaped guide grooves are formed in the left end and the right end of the top of the steering fixing block (46) respectively.