CN215857891U

CN215857891U - Foundation ditch support effect detection device

Info

Publication number: CN215857891U
Application number: CN202120519874.3U
Authority: CN
Inventors: 赖杰
Original assignee: Rocket Force University of Engineering of PLA
Current assignee: Rocket Force University of Engineering of PLA
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2022-02-18
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a foundation pit supporting effect detection device which comprises a supporting enclosure wall, wherein a vertically arranged supporting column is fixedly connected to the bottom in the supporting enclosure wall, a lantern ring is fixedly connected to the top of the supporting column, the inner side wall of the lantern ring is rotatably connected with a limiting sleeve, the limiting sleeve is connected with a supporting rod through an anti-falling mechanism, the end part of the supporting rod is fixedly connected with a supporting plate, and the outer side wall of the supporting plate is attached to the inner side wall of the supporting enclosure wall. According to the utility model, the supporting enclosure, the supporting columns, the lantern rings, the limiting sleeve, the annular groove, the limiting plate, the fixed disc, the locking disc, the fastening bolt, the vertical rod, the first U-shaped plate, the first telescopic rod, the second U-shaped plate and the connecting plate are matched for use, so that the supporting effect is detected, the pressure of the supporting enclosure is detected in real time, when the supporting enclosure collapses, the pressure applied to the pressure sensor changes along with the pressure, the supporting effect can be effectively verified, and the accuracy of the device is improved.

Description

Foundation ditch support effect detection device

Technical Field

The utility model relates to the technical field of foundation pit supporting effect monitoring, in particular to a foundation pit supporting effect detection device.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed. The person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a deeper foundation pit and a building adjacent to the deeper foundation pit are excavated, a foundation pit wall supporting method, a concrete-sprayed wall protecting method and a large foundation pit are used, and even an underground continuous wall and a columnar column type bored pile are used for interlocking, so that an outer soil layer is prevented from collapsing; for those who have no influence on nearby buildings, the underground water level can be reduced by a well point method, and slope releasing open cut is adopted; in cold regions, natural cold freezing method can be adopted for excavation and the like.

Deep basal pit supporting construction has obtained extensive application at present, along with construction technology to the promotion of technical safety requirement, generally can adopt horizontal support when deep basal pit excavation to prevent that supporting construction from inwards collapsing, nevertheless to horizontal support's installation and demolish the process comparatively complicated, the cost is higher, and can not make real-time pressure monitoring, has certain limitation, consequently needs a foundation ditch supporting effect detection device to solve the problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a foundation pit supporting effect detection device.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a foundation ditch support effect detection device, is including strutting the enclosure, strut the support column of the vertical setting of bottom fixedly connected with in the enclosure, the support column top fixedly connected with lantern ring, the lantern ring inside wall rotates and is connected with limit sleeve, limit sleeve is connected with the bracing piece through anti-disengaging mechanism, the bracing piece tip fixedly connected with backup pad, the backup pad lateral wall with strut the laminating of enclosure inside wall mutually, the backup pad is connected with pressure sensor through installation mechanism, the backup pad is connected with strengthening mechanism, limit sleeve is connected with stop gear.

Preferably, the anti-disengaging mechanism includes two ring channels that offer at the spacing sleeve pipe lateral wall, ring channel inside wall sliding connection has the limiting plate, two one side that the limiting plate is mutually the back of the body respectively with bracing piece end fixed connection.

Preferably, the outer side wall of the supporting rod is provided with an external thread, the inner side walls of the two ends of the limiting sleeve are both provided with an internal thread matched with the external thread, and the inner side wall of the limiting sleeve is in threaded connection with the supporting rod.

Preferably, stop gear is including fixed cover at the fixed disk of stop collar lateral wall, the fixed port has been seted up on the fixed disk, the stop collar lateral wall rotates and is connected with the locking dish, locking dish and lantern ring lateral wall fixed connection, set up a plurality of locking mouths that are the annular setting on the locking dish, fixed port and corresponding locking mouth female connection have same fastening bolt.

Preferably, the reinforcing mechanism includes the montant of fixed connection at the backup pad top, the first U template of montant top fixedly connected with, the first telescopic link of lantern ring top fixedly connected with, first telescopic link top fixedly connected with second U template, second U template is connected with two first U templates through the connecting plate respectively.

Preferably, the second U template inside wall fixedly connected with fixed axle, two the round pin mouth has all been seted up at the connecting plate both ends, the round pin mouth inside wall rotates with the fixed axle and cup joints.

Preferably, installation mechanism is including seting up the standing groove in the backup pad, pressure sensor is located the standing groove, the installation piece that two symmetries of pressure sensor lateral wall fixedly connected with set up, set up the mounting groove that is linked together with the standing groove in the backup pad, set up the intercommunication chamber that is linked together with the standing groove in the backup pad, the intercommunication intracavity bottom fixedly connected with second telescopic link, the one end fixedly connected with limiting plate in intercommunication chamber is kept away from to the second telescopic link, the limiting plate is located the pressure sensor outside.

Preferably, the outer side wall of the second telescopic rod is sleeved with a return spring, and two ends of the return spring are respectively fixedly connected with the bottom in the communicating cavity and the outer side wall of the limiting plate.

Compared with the prior art, the utility model has the following advantages:

1. according to the utility model, through the matched use of the supporting enclosure wall, the supporting column, the lantern ring, the limiting sleeve, the supporting rod, the supporting plate, the annular groove, the limiting plate, the fixed disc, the locking disc, the fastening bolt, the vertical rod, the first U-shaped plate, the first telescopic rod, the second U-shaped plate and the connecting plate, the detection of the supporting effect is realized, the pressure of the supporting enclosure wall is detected in real time, when the supporting enclosure wall collapses, the pressure applied to the pressure sensor can change along with the pressure in real time, the supporting effect can be effectively verified, and the accuracy of the device is improved.

2. According to the utility model, the placing groove, the mounting block, the mounting groove, the communicating cavity, the second telescopic rod, the limiting baffle and the reset spring are used in a matched manner, so that the pressure sensor is rapidly disassembled and mounted, the phenomenon that the pressure sensor is inconvenient to disassemble and mount is avoided, and the working efficiency is improved.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a foundation pit supporting effect detection device provided by the utility model;

fig. 2 is a schematic view of a connection structure of a limiting main pipe, a supporting rod, an annular groove and a limiting plate in the foundation pit supporting effect detection device provided by the utility model;

fig. 3 is a schematic view of a front connection structure of the foundation pit supporting effect detection device provided by the utility model;

fig. 4 is an enlarged view of a position a of the foundation pit supporting effect detection device provided by the utility model;

fig. 5 is a schematic view of a connection structure of a collar and a locking disc in the foundation pit supporting effect detection device provided by the utility model.

In the figure: 1. supporting the enclosing wall; 2. a support pillar; 3. a collar; 4. a limiting sleeve; 5. a support bar; 6. a support plate; 7. a pressure sensor; 8. an annular groove; 9. a limiting plate; 10. fixing the disc; 11. a locking disc; 12. fastening a bolt; 13. a vertical rod; 14. a first U-shaped plate; 15. A first telescopic rod; 16. a second U-shaped plate; 17. a connecting plate; 18. a placement groove; 19. mounting blocks; 20. mounting grooves; 21. a communicating cavity; 22. a second telescopic rod; 23. a limit baffle; 24. A return spring.

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 a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the designated device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus are not to be construed as limiting the present invention, and in the description of the present invention, it is to be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the designated device or component must have a specific orientation, Constructed and operative in a particular orientation and therefore not to be construed as limiting the utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the utility model can be understood in specific cases to those of ordinary skill in the art.

Referring to fig. 1-5, a foundation pit supporting effect detection device comprises a supporting enclosure wall 1, wherein a vertically arranged supporting column 2 is fixedly connected to the bottom in the supporting enclosure wall 1, a lantern ring 3 is fixedly connected to the top of the supporting column 2, the inner side wall of the lantern ring 3 is rotatably connected with a limiting sleeve 4, the limiting sleeve 4 is connected with a supporting rod 5 through an anti-falling mechanism, the anti-falling mechanism comprises two annular grooves 8 formed in the side wall of the limiting sleeve 4, a limiting plate 9 is slidably connected to the inner side wall of each annular groove 8, and through the arrangement of the limiting plate 9 and the annular grooves 8, the situation that the limiting plate 9 is separated from the annular groove 8 is avoided, so that the supporting rod 5 cannot be separated from the limiting sleeve 4, and the stability of the device is improved;

the opposite sides of the two limiting plates 9 are respectively fixedly connected with the end parts of the supporting rods 5, the outer side walls of the supporting rods 5 are provided with external threads, the inner side walls of the two ends of the limiting sleeves 4 are respectively provided with internal threads matched with the external threads, the inner side walls of the limiting sleeves 4 are in threaded connection with the supporting rods 5, the end parts of the supporting rods 5 are fixedly connected with supporting plates 6, the outer side walls of the supporting plates 6 are attached to the inner side walls of the supporting enclosure 1, and the supporting plates 6 are connected with pressure sensors 7 through mounting mechanisms, wherein the pressure sensors 7 are in the prior art and are not described in detail herein;

the mounting mechanism comprises a placing groove 18 formed in a supporting plate 6, the pressure sensor 7 is positioned in the placing groove 18, the outer side wall of the pressure sensor 7 is fixedly connected with two symmetrically-arranged mounting blocks 19, the supporting plate 6 is provided with a mounting groove 20 communicated with the placing groove 18, the supporting plate 6 is provided with a communicating cavity 21 communicated with the placing groove 18, the bottom in the communicating cavity 21 is fixedly connected with a second telescopic rod 22, one end, away from the communicating cavity 21, of the second telescopic rod 22 is fixedly connected with a limiting baffle 23, the limiting baffle 23 is positioned outside the pressure sensor 7, the outer side wall of the second telescopic rod 22 is sleeved with a reset spring 24, two ends of the reset spring 24 are respectively and fixedly connected with the bottom in the communicating cavity 21 and the outer side wall of the limiting baffle 23, and the reset spring 24 is arranged to realize the quick reset of the limiting baffle 23;

the supporting plate 6 is connected with a reinforcing mechanism, the reinforcing mechanism comprises a vertical rod 13 fixedly connected to the top of the supporting plate 6, the top of the vertical rod 13 is fixedly connected with a first U-shaped plate 14, the top of the lantern ring 3 is fixedly connected with a first telescopic rod 15, the top of the first telescopic rod 15 is fixedly connected with a second U-shaped plate 16, the second U-shaped plate 16 is respectively connected with the two first U-shaped plates 14 through connecting plates 17, the inner side wall of the second U-shaped plate 16 is fixedly connected with a fixed shaft, pin holes are formed in two ends of each of the two connecting plates 17, and the inner side wall of each pin hole is rotatably sleeved with the fixed shaft;

limiting sleeve 4 is connected with stop gear, and stop gear has seted up fixed mouthful including the fixed disk 10 that cup joints at limiting sleeve 4 lateral wall on the fixed disk 10, limiting sleeve 4 lateral wall swivelling joint has locking dish 11, locking dish 11 and 3 lateral wall fixed connection of the lantern ring, set up a plurality of locking mouths that are the annular setting on the locking dish 11, fixed mouthful have same fastening bolt 12 with corresponding locking mouth female connection.

The specific working principle of the utility model is as follows:

in an initial state, the lantern ring 3 is supported by the supporting column 2, and the lantern ring 3 is supported to further support the limiting sleeve 4, wherein the lantern ring 3 is rotatably connected with the limiting sleeve 4, so that the limiting sleeve 4 can rotate in the lantern ring 3;

the outer side wall of the support rod 5 is provided with an external thread, the inner side walls of two ends of the limiting sleeve 4 are provided with internal threads matched with the external thread, the support rod 5 moves towards the opposite or back-to-back side through the rotation of the limiting sleeve 4, and the support rod 5 moves towards the back-to-back side or the opposite side through the support rod 5, so that the support plate 6 is driven to move towards the opposite or back-to-back side together;

the two supporting plates 6 move towards the opposite or back-to-back side, so that the pressure sensors 7 on the supporting plates 6 are driven to move towards the opposite or back-to-back side, the pressure sensors 7 are attached to the side wall of the supporting enclosure 1 through movement of the pressure sensors 7, and the pressure sensors 7 are attached to the inner side wall of the supporting enclosure 1, so that the pressure sensors 7 can constantly monitor the pressure change applied to the inner side wall of the supporting enclosure 1, the problem that the pressure applied to the supporting enclosure 1 cannot be constantly monitored in real time in the prior art is solved, and the detection precision is improved;

when the supporting enclosing wall 1 collapses, the pressure applied to the supporting plate 6 by the supporting enclosing wall 1 is increased, at the moment, the coefficient on the pressure sensor 7 is increased, when the coefficient of the pressure sensor 7 exceeds the set safety coefficient, the supporting effect can be judged to be unqualified, if the coefficient on the pressure sensor 7 is always lower than the initially set safety coefficient, the supporting effect can be judged to be qualified, and the detection accuracy of the device is improved through the real-time monitoring of the pressure sensor 7;

when the supporting rod 5 moves towards the opposite side, the two vertical rods 13 drive the first U-shaped plate 14 to be fixed, the first telescopic rod 15 extends, the angles of the two connecting plates 17 incline correspondingly, the two connecting plates 17 incline, and at the moment, triangular arrangement is formed among the two symmetrically-arranged connecting plates 17, the supporting rod 5 and the limiting sleeve 4, wherein the triangular arrangement has stability, and the triangular arrangement is formed by matching the connecting plates 17, the supporting rods 5 and the limiting sleeve 4, so that the supporting effect of the supporting plate 6 on the inner side wall of the supporting enclosure 1 is strengthened, the stability of the device is improved, the collapse phenomenon easily occurring in the traditional supporting enclosure 1 is avoided, and the stability of the device is improved;

after the limiting sleeve 4 rotates, the fixing plate 10 and the locking plate 11 are matched for use, and the fastening bolt 12 is in threaded connection with the corresponding fixing port and the corresponding locking port, so that the limiting sleeve 4 can be fixed, and the stability of the whole supporting effect is prevented from being influenced by the rotation of the limiting sleeve 4;

when pressure sensor 7 needs to be dismantled, only need stir limiting baffle 23 with the hand, limiting baffle 23 can appear removing under the exogenic action, use under second telescopic link 22 and reset spring 24's cooperation, make limiting baffle 23 get into intercommunication chamber 21 in, after limiting baffle 23 got into intercommunication chamber 21, installation piece 19 has just lost spacingly, and then can take out pressure sensor 7 is quick from standing groove 18, pressure sensor 7's quick dismantlement and installation have been realized, and work efficiency is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a foundation ditch support effect detection device, is including strutting enclosure (1), its characterized in that, strut support column (2) of the vertical setting of bottom fixedly connected with in enclosure (1), support column (2) top fixedly connected with lantern ring (3), lantern ring (3) inside wall rotates and is connected with stop collar (4), stop collar (4) are connected with bracing piece (5) through anti-disengaging mechanism, bracing piece (5) tip fixedly connected with backup pad (6), backup pad (6) lateral wall and the laminating of wall (1) inside wall mutually, backup pad (6) are connected with pressure sensor (7) through installation mechanism, backup pad (6) are connected with strengthening mechanism, stop collar (4) are connected with stop gear.

2. The foundation pit support effect detection device according to claim 1, wherein the anti-drop mechanism comprises two annular grooves (8) formed in the side walls of the limiting sleeve (4), limiting plates (9) are slidably connected to the inner side walls of the annular grooves (8), and the two limiting plates (9) are fixedly connected to the end portions of the supporting rods (5) on the opposite sides.

3. The foundation pit support effect detection device according to claim 1, wherein the outer side wall of the support rod (5) is provided with an external thread, the inner side walls of the two ends of the limit sleeve (4) are both provided with an internal thread matched with the external thread, and the inner side wall of the limit sleeve (4) is in threaded connection with the support rod (5).

4. The foundation pit supporting effect detection device according to claim 1, wherein the limiting mechanism comprises a fixed disc (10) fixedly sleeved on the outer side wall of a limiting sleeve (4), a fixed port is formed in the fixed disc (10), a locking disc (11) is rotatably connected to the outer side wall of the limiting sleeve (4), the locking disc (11) is fixedly connected with the outer side wall of a lantern ring (3), a plurality of locking ports which are arranged in an annular shape are formed in the locking disc (11), and the same fastening bolt (12) is connected with the fixed port and the corresponding locking port in a threaded manner.

5. The foundation pit support effect detection device according to claim 1, wherein the reinforcing mechanism comprises a vertical rod (13) fixedly connected to the top of the support plate (6), a first U-shaped plate (14) is fixedly connected to the top of the vertical rod (13), a first telescopic rod (15) is fixedly connected to the top of the sleeve ring (3), a second U-shaped plate (16) is fixedly connected to the top of the first telescopic rod (15), and the second U-shaped plate (16) is connected with the two first U-shaped plates (14) through connecting plates (17) respectively.

6. The foundation pit support effect detection device according to claim 5, wherein a fixed shaft is fixedly connected to the inner side wall of the second U-shaped plate (16), pin openings are formed in two ends of each connecting plate (17), and the inner side wall of each pin opening is rotatably sleeved with the fixed shaft.

7. The foundation pit supporting effect detection device according to claim 1, wherein the installation mechanism comprises a placement groove (18) formed in a support plate (6), the pressure sensor (7) is located in the placement groove (18), two symmetrically-arranged installation blocks (19) are fixedly connected to the outer side wall of the pressure sensor (7), an installation groove (20) communicated with the placement groove (18) is formed in the support plate (6), a communication cavity (21) communicated with the placement groove (18) is formed in the support plate (6), a second telescopic rod (22) is fixedly connected to the inner bottom of the communication cavity (21), a limit baffle (23) is fixedly connected to one end, far away from the communication cavity (21), of the second telescopic rod (22), and the limit baffle (23) is located on the outer side of the pressure sensor (7).

8. The foundation pit support effect detection device according to claim 7, wherein a return spring (24) is sleeved on the outer side wall of the second telescopic rod (22), and two ends of the return spring (24) are respectively and fixedly connected with the inner bottom of the communication cavity (21) and the outer side wall of the limit baffle (23).