CN219060071U

CN219060071U - Collapse-preventing supporting structure for deep foundation pit

Info

Publication number: CN219060071U
Application number: CN202223368066.5U
Authority: CN
Inventors: 陈莉萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-23
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a collapse-preventing supporting structure of a deep foundation pit, which comprises a fixed seat, wherein positioning rods are fixedly arranged on the front surface and the back surface of the fixed seat, positioning seats are sleeved on the outer surfaces of the two groups of positioning rods, limiting sleeves are fixedly arranged on the opposite surfaces of the two groups of positioning seats, the limiting sleeves are sleeved on the outer surfaces of the positioning rods, and connecting seats are fixedly arranged on the opposite surfaces of the two groups of limiting sleeves. According to the utility model, the positions of the limit sleeves are adjusted and fixed, so that the first support plate and the second support plate are attached to two sides of a foundation pit, the applicability of the support length of the support structure is increased, different soil enters between the second support plate and the first support plate through holes in the through hole plate under the extrusion effect through the through hole plate on the second support plate, the second support plate is more embedded with a soil layer, the compactness of the support structure on two sides of a deep foundation pit is increased, and the stability of the support structure of the device is increased.

Description

Collapse-preventing supporting structure for deep foundation pit

Technical Field

The utility model relates to the technical field of supporting structures, in particular to a collapse-preventing supporting structure for a deep foundation pit.

Background

In the building engineering, the deep foundation pit is excavated, and is a common building mode, after the deep foundation pit is excavated, a stable supporting structure is required to be used for the deep foundation pit structure to ensure the stability of the deep foundation pit structure so as to facilitate the follow-up engineering project.

Patent document: CN215977297U. The utility model discloses a deep basal pit collapse prevention supporting construction, include "including the stock, fix the backplate on the basal pit lateral wall through the stock, the backplate is including last backplate and the lower backplate of concatenation about being, still including vertical setting be in first spud pile in the basal pit side earthwork, connect in first spud pile with straining device between the last backplate, set up go up the backplate with crossbeam between the lower backplate, vertical setting are in the second spud pile of basal pit bottom and connect in bracing piece between crossbeam and the second spud pile. The upper support guard plate and the lower support guard plate are spliced up and down, so that the assembly efficiency is high, and the support guard plate is greatly improved in support protection capability by adopting a structure of the tensioning mechanism and the support rods, so that the support structure is safe and stable;

however, in the above patent, the device is assembled and used by splicing the upper support plate and the lower support plate up and down, and the supporting function of stability and safety is achieved by adopting the cooperation of the tensioning mechanism and the supporting structure, but the supporting structure lacks an applicable adjusting mechanism when the supporting structure is used for supporting, the length of the supporting structure is different along with the different use requirements of the deep foundation pit, and therefore, the structural applicability of the device is not enough in use.

Disclosure of Invention

The utility model aims to provide a collapse-preventing supporting structure for a deep foundation pit, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the utility model provides a deep foundation pit collapse prevention supporting structure, which comprises a fixed seat, wherein positioning rods are fixedly arranged on the front surface and the back surface of the fixed seat, and positioning seats are sleeved on the outer surfaces of the two groups of positioning rods;

two sets of the locating seat keep away from the equal fixed mounting of face has stop collar, and stop collar cup joints in the surface of locating lever, two sets of stop collar keep away from equal fixed mounting of face has the connecting seat, two sets of the connecting seat keep away from the equal fixed mounting of face and have a backplate, multiunit thread groove has been seted up at the top of locating lever, the top screw thread through connection of locating seat has the threaded rod, the top fixed mounting of threaded rod has spacing handle, and the bottom threaded connection of threaded rod is in the inside of thread groove.

Preferably, the two groups of the first support plates are inserted and connected with a plurality of groups of support rods on the opposite surfaces, the front ends of the support rods are fixedly provided with second support plates, and the outer surfaces of the second support plates are provided with two groups of through hole plates in an embedded manner.

Preferably, the bottom of fixing base fixed mounting has spacing lead screw, the surface threaded connection of spacing lead screw has the lifter, the bottom fixed mounting of lifter has the base.

Preferably, the outer surface of the base is fixedly provided with a bottom plate, a plurality of groups of positioning pyramids penetrate through the bottom plate, and the top of each positioning pyramids is fixedly provided with a lower pressing plate.

Preferably, the outer surface of the supporting rod is fixedly provided with an orientation sliding block, and the orientation sliding block is connected to the inner part of the first supporting plate in a sliding way.

Preferably, the two groups of the first support plates are fixedly provided with buffer tubes on opposite surfaces, the buffer rods are connected with the inside of the buffer tubes in a sliding mode, and the front ends of the buffer rods are fixedly connected to the outer surface of the second support plate.

Preferably, the buffer spring is fixedly arranged on the inner wall of the buffer tube, and the front end of the buffer spring is fixedly connected to the tail end of the buffer rod.

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

1. according to the utility model, the positions of the limit sleeves are adjusted and fixed, so that the first support plate and the second support plate are attached to two sides of a foundation pit, the applicability of the support length of the support structure is increased, different soil enters between the second support plate and the first support plate through holes in the through hole plate under the extrusion effect through the through hole plate on the second support plate, the second support plate is more embedded with a soil layer, the compactness of the support structure on two sides of a deep foundation pit is increased, and the stability of the support structure of the device is increased.

2. According to the utility model, through the arrangement of the limiting screw rod and the lifting pipe, the height of the lifting pipe on the limiting screw rod can be adjusted to the positioning pyramid through the position adjustment of the lifting pipe, so that the convenience and the adjustability of the supporting structure of the lifting pipe are improved, the supporting structure is adjusted by matching with the device, and the applicability of the device in use is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of a stop collar of the present utility model;

FIG. 3 is a schematic cross-sectional view of a lift tube structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a first support plate structure according to the present utility model;

fig. 5 is an enlarged schematic view of the structure a in fig. 4 according to the present utility model.

In the figure: 1. a fixing seat; 2. a positioning rod; 3. a positioning seat; 4. a limit sleeve; 5. a connecting seat; 6. a first support plate; 7. a thread groove; 8. a threaded rod; 9. a limit grip; 10. a support rod; 11. a second support plate; 12. a through hole plate; 13. a limit screw rod; 14. a lifting tube; 15. a base; 16. a bottom plate; 17. positioning pyramid; 18. a lower pressing plate; 19. a directional slider; 20. a buffer tube; 21. a buffer rod; 22. and a buffer spring.

Detailed Description

Referring to fig. 1, fig. 2, fig. 4 and fig. 5, a deep foundation pit collapse prevention supporting structure comprises a fixing seat 1, wherein positioning rods 2 are fixedly installed on the front and back surfaces of the fixing seat 1, positioning seats 3 are sleeved on the outer surfaces of the two groups of positioning rods 2, limiting sleeves 4 are fixedly installed on the opposite surfaces of the two groups of positioning rods 3, connecting seats 5 are fixedly installed on the opposite surfaces of the two groups of limiting sleeves 4, first supporting plates 6 are fixedly installed on the opposite surfaces of the two groups of connecting seats 5, a plurality of groups of thread grooves 7 are formed in the top of the positioning rods 2, threaded rods 8 are connected with the top threads of the positioning rods 3 in a penetrating manner, limiting handles 9 are fixedly installed on the top of the threaded rods 8, the bottoms of the threaded rods 8 are connected with the insides of the thread grooves 7, a plurality of groups of supporting rods 10 are fixedly installed on the opposite surfaces of the first supporting plates 6 in a plugging manner, a second supporting plate 11 is fixedly installed at the front end of the supporting rods 10, two groups of through hole plates 12 are installed on the outer surfaces of the second supporting plates 11 in an embedded manner, directional sliding blocks 19 are fixedly installed on the outer surfaces of the supporting rods 10, directional sliding blocks 19 are fixedly installed on the outer surfaces of the supporting rods 19, the end faces of the directional sliding blocks 19 are fixedly connected with the inner surfaces of the buffer tubes 21, and the buffer tubes 20 are fixedly connected with the inner surfaces of the buffer tubes 20, and the buffer tubes 20 are fixedly connected with the inner ends of the buffer tubes 20, and the buffer tubes 20 are fixedly connected with the buffer tubes 21;

the device is being used for the collapse prevention support during operation of foundation ditch, but setting up of fixing base 1 and locating lever 2, the accessible gliding mode carries out sliding adjustment to locating seat 3 and spacing sleeve 4 on the locating lever 2, then drive the first backplate 6 of spacing sleeve 4 front end and the position control of second backplate 11, the range mobility of accessible screw groove 7 on locating lever 2 when locating seat 3 and spacing sleeve 4 slide, accessible spacing handle 9's rotation, thereby drive the rotation of threaded rod 8, be connected between threaded rod 8 and screw groove 7, then carry out spacing fixed to the position of locating seat 3 and spacing sleeve 4 on locating lever 2, consequently, but the installation connection between sleeve pipe threaded rod 8 and the different position screw groove 7, thereby adjust fixedly to the position of spacing sleeve 4, make first backplate 6 and second backplate 11 laminate with the both sides of foundation ditch mutually, increase the suitability of its supporting structure supporting length, and the range sliding property of accessible sleeve pipe bracing piece 10 between second backplate 11 and first backplate 6, and buffer tube 20 inner buffer spring 22's resilience, thereby make first backplate 6 have the certain elasticity of the cooperation of second backplate 11 and the second backplate 12 and the recess 12, make the second backplate have the elasticity that is more closely matched with the second backplate 11 and make the hole 12 and make between the second backplate and the second backplate more closely contact with the hole 12.

Referring to fig. 1, 2 and 3, a limit screw rod 13 is fixedly installed at the bottom of a fixed seat 1, a lifting tube 14 is connected to the outer surface of the limit screw rod 13 in a threaded manner, a base 15 is fixedly installed at the bottom of the lifting tube 14, a bottom plate 16 is fixedly installed on the outer surface of the base 15, a plurality of groups of positioning pyramids 17 penetrate through the inside of the bottom plate 16, and a lower pressing plate 18 is fixedly installed at the top of the positioning pyramids 17;

before the device supports and uses, the bottom accessible spacing lead screw 13 of fixing base 1 and the setting of lifter 14, lifter 14 can rotate on spacing lead screw 13 and adjust, then adjust the position of base 15 and bottom plate 16, the setting of accessible location pyramid 17 on the bottom plate 16 for peg graft the installation between the bottom accessible grafting mode of bottom plate 16 and the soil, then support the bottom of device, and through the height adjustment of lifter 14 on spacing lead screw pole 13, thereby increase its bearing structure's convenient regulation nature, cooperation device is to supporting structure's regulation nature, then add the suitability when the use of device.

The working principle is that through setting up of fixing base 1 and locating lever 2, the accessible gliding mode carries out sliding adjustment to locating seat 3 and spacing sleeve 4 on the locating lever 2, drive the position control of spacing sleeve 4 front end first backplate 6 and second backplate 11 then, the setup of thread groove 7 on accessible locating lever 2 when locating seat 3 and spacing sleeve 4 slide, the rotation of accessible spacing handle 9, thereby drive the rotation of threaded rod 8, through the connection between threaded rod 8 and thread groove 7, then carry out spacing fixed to the position of locating seat 3 and spacing sleeve 4 on locating lever 2, make first backplate 6 and second backplate 11 laminate with the both sides of foundation ditch mutually, the device is supporting before using, the bottom accessible spacing lead screw 13 of fixing base 1 and the setting of lifter 14, lifter 14 can rotate on spacing lead screw 13 and adjust, then, the position to base 15 and bottom plate 16 on the setting of accessible location pyramid 17, make the bottom of bottom plate 16 accessible grafting mode and soil between install, support the bottom to the device.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a deep basal pit collapse prevention supporting construction, includes fixing base (1), its characterized in that: positioning rods (2) are fixedly arranged on the front surface and the back surface of the fixed seat (1), and positioning seats (3) are sleeved on the outer surfaces of the two groups of positioning rods (2);

two sets of the locating seat (3) are all fixed mounting in the face that leaves, and limit sleeve (4) cup joints in the surface of locating lever (2), two sets of the equal fixed mounting in the face that leaves of limit sleeve (4) has connecting seat (5), two sets of the equal fixed mounting in the face that leaves of connecting seat (5) has first backplate (6), multiunit thread groove (7) have been seted up at the top of locating lever (2), the top screw thread through connection of locating seat (3) has threaded rod (8), the top fixed mounting of threaded rod (8) has spacing handle (9), and the bottom threaded connection of threaded rod (8) is in the inside of thread groove (7).

2. The deep foundation pit collapse prevention supporting structure according to claim 1, wherein: the two groups of support rods (10) are inserted and installed on the opposite surfaces of the first support plates (6), the second support plates (11) are fixedly installed at the front ends of the support rods (10), and two groups of through hole plates (12) are installed on the outer surfaces of the second support plates (11) in an opening and jogging mode.

3. The deep foundation pit collapse prevention supporting structure according to claim 1, wherein: the bottom of fixing base (1) fixed mounting has spacing lead screw (13), the surface threaded connection of spacing lead screw (13) has riser (14), the bottom fixed mounting of riser (14) has base (15).

4. A deep foundation pit collapse prevention supporting structure according to claim 3, wherein: the outer surface of base (15) fixed mounting has bottom plate (16), the inside of bottom plate (16) runs through has multiunit location pyramid (17), the top fixed mounting of location pyramid (17) has holding down plate (18).

5. The deep foundation pit collapse prevention supporting structure according to claim 2, wherein: the outer surface of the supporting rod (10) is fixedly provided with an orientation sliding block (19), and the orientation sliding block (19) is connected to the inside of the first supporting plate (6) in a sliding mode.

6. The deep foundation pit collapse prevention supporting structure according to claim 1, wherein: two sets of the separation surfaces of the first support plates (6) are fixedly provided with buffer tubes (20), buffer rods (21) are connected inside the buffer tubes (20) in a sliding mode, and the front ends of the buffer rods (21) are fixedly connected to the outer surfaces of the second support plates (11).

7. The deep foundation pit collapse prevention supporting structure according to claim 6, wherein: the inner wall of the buffer tube (20) is fixedly provided with a buffer spring (22), and the front end of the buffer spring (22) is fixedly connected with the tail end of the buffer rod (21).