CN217629958U

CN217629958U - Foundation pit support structure

Info

Publication number: CN217629958U
Application number: CN202221341109.8U
Authority: CN
Inventors: 李丹丹; 金荣卫; 储小龙; 张春波
Original assignee: Hangzhou Junshun Construction Co ltd
Current assignee: Hangzhou Junshun Construction Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-10-21
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a foundation pit retaining structure belongs to foundation pit construction technical field, including bottom plate and foundation pit, the last fixed surface of bottom plate is connected with the bracing piece, be provided with the guard plate on the bracing piece, be provided with adjusting part and joint subassembly between bracing piece and the guard plate, adjusting part is including rotating the connecting seat of connection at the bracing piece other end, the connecting seat upper surface is rotated and is connected with the rotation axis, the outside fixedly connected with driving gear of rotation axis, the outside of connecting seat is rotated and is connected with the screw thread sleeve, screw thread sleeve's outside fixedly connected with and driving gear engagement's driven gear. This foundation pit retaining structure rotates the rotation axis through having set up adjusting part, drives the driving gear in step, and under the driving gear drives, the threaded sleeve rotates, and the hand guard plate of constructor supports its foundation pit under the extension of threaded rod, makes its guard plate can support the protection to the foundation pit of different specifications.

Description

Foundation pit support structure

Technical Field

The application relates to the technical field of foundation pit construction, in particular to a foundation pit support structure.

Background

In the urban center with dense buildings, the excavation of deep foundation pits becomes an important subject of geotechnical engineering, a foundation pit enclosure system is an organism with mutual combined action of soil bodies and supporting structures, the safety of the foundation pit enclosure system is higher due to the restriction of factors such as surrounding buildings, underground pipelines and the like, the foundation pit enclosure embodies that the stability of the foundation pit and the safety and convenience of operation in the pit are ensured, and the displacement of the soil bodies at the bottom of the pit and outside the pit is controlled within a certain range, so that the normal use of adjacent buildings and municipal facilities is ensured.

At present, when foundation pit bracing is carried out, most of the existing foundation pit bracing methods use a wooden baffle plate to block an earth slope, the recycling rate is low, the bracing force of the foundation pit is insufficient, the disassembly is complex, and the guard plate cannot be adjusted in time according to the condition of the foundation pit.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides a foundation ditch envelope, possesses the dismouting convenient, and the loaded down with trivial details problem of dismantlement has been solved to advantages such as this.

In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a foundation pit retaining structure, includes bottom plate and foundation pit, the last fixed surface of bottom plate is connected with the bracing piece, be provided with the guard plate on the bracing piece, be provided with adjusting part and joint subassembly between bracing piece and the guard plate, adjusting part is including rotating the connecting seat of connection at the bracing piece other end, the connecting seat upper surface rotates and is connected with the rotation axis, the outside fixedly connected with driving gear of rotation axis, the outside of connecting seat is rotated and is connected with the threaded sleeve, threaded sleeve's outside fixedly connected with and driving gear engaged's driven gear, threaded sleeve's inboard threaded connection has the threaded rod, threaded sleeve one end fixedly connected with fixing base is kept away from to the threaded rod.

Through adopting above-mentioned technical scheme, the rotation of rotation axis drives the driving gear, drives the threaded sleeve through the driven gear with driving gear meshing and rotates, and through constructor's restriction, make its threaded rod drive the guard plate and support the protection to its foundation ditch, make it in time adjust the guard plate according to the situation of foundation ditch.

Furthermore, the supporting rod is located in the middle of the bottom plate, and one end, close to the foundation pit, of the protection plate is toothed.

Through adopting above-mentioned technical scheme, the guard plate is the cusp, the steadiness of multiplicable guard plate and foundation ditch.

Furthermore, one end of the rotating shaft, which is far away from the connecting seat, is fixedly connected with a hand wheel.

Through adopting above-mentioned technical scheme, the hand wheel can drive the rotation axis and rotate.

Furthermore, the number of the threaded sleeves is four, the four threaded sleeves are respectively positioned on four side faces of the connecting seat, and the threaded sleeves are rotationally connected with the connecting seat through bearings.

Through adopting above-mentioned technical scheme, threaded sleeve's setting can make its guard plate extend, can carry out quick support to the foundation ditch of different specifications.

Further, the driving gear and the driven gear are both helical gears, and the driving gear and the driven gear are identical in specification.

Through adopting above-mentioned technical scheme, under the drive of driving gear, four driven gear rotate in step.

Furthermore, a sliding hole is formed in one side, away from the threaded rod, of the fixing seat, and a rotating hole is formed in the upper surface of the fixing seat.

By adopting the technical scheme, the sliding hole and the rotating hole are arranged, so that the clamping assembly can conveniently operate.

Further, the joint subassembly includes that one end rotates the lead screw of being connected with fixing base inner chamber wall, and the outside threaded connection of lead screw has the joint piece, the joint groove has been seted up to one side that the guard plate is close to the fixing base.

Through adopting above-mentioned technical scheme, the rotation of lead screw, joint piece and the joint groove can be quick carry out the joint.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this foundation pit retaining structure rotates the rotation axis through having set up adjusting part, drives the driving gear in step, and under the driving gear drives, the threaded sleeve rotates, and the hand guard plate of constructor supports its foundation pit under the extension of threaded rod, makes its guard plate can support the protection to the foundation pit of different specifications.

2. This foundation ditch envelope through having set up the joint subassembly, rotates the lead screw, and under the restriction of slide opening, the joint piece reciprocates, and the user can dismantle the guard plate fast.

Drawings

FIG. 1 is a schematic front view of the structure of the present application;

FIG. 2 is a schematic view of an adjustment assembly of the present application;

FIG. 3 is a schematic view of the clamping structure of the present application.

In the figure: 1. a base plate; 2. a support bar; 3. a protection plate; 4. an adjustment assembly; 41. a connecting seat; 42. a rotating shaft; 421. a hand wheel; 43. a driving gear; 44. a threaded sleeve; 441. a bearing; 45. a driven gear; 46. a threaded rod; 47. a fixed seat; 471. a slide hole; 5. a clamping assembly; 51. a screw rod; 511. a handle is rotated; 52. a clamping block; 53. a clamping groove.

Detailed Description

Referring to fig. 1-3, the foundation pit support structure in this embodiment includes a bottom plate 1 and a foundation pit 6, the bottom plate 1 is attached to the bottom of the foundation pit 6, a support rod 2 is fixedly connected to the upper surface of the bottom plate 1, the support rod 2 is located at the middle position of the bottom plate 1, four protection plates 3 are arranged on the support rod 2, one end of each protection plate 3, which is close to the foundation pit 6, is in a tooth shape, and an adjusting assembly 4 and a clamping assembly 5 are arranged between the support rod 2 and the protection plate 3.

In this embodiment, through the cooperation of adjusting part 4 with joint subassembly 5, can carry out guard plate 3 fast and carry out the dismouting.

Referring to fig. 1-3, the adjusting assembly 4 in this embodiment includes a connecting seat 41 rotatably connected to the other end of the supporting rod 2, the connecting seat 41 is shaped like a "cube", a rotating shaft 42 is rotatably connected to an upper surface of the connecting seat 41, a hand wheel 421 is fixedly connected to one end of the rotating shaft 42 away from the connecting seat 41, a driving gear 43 is fixedly connected to an outer side of the rotating shaft 42, the driving gear 43 is located above the connecting seat 41, a threaded sleeve 44 is rotatably connected to an outer side of the connecting seat 41, a threaded hole is formed in an inner side of the threaded sleeve 44, the four threaded sleeves 44 are respectively located on four sides of the connecting seat 41, the threaded sleeve 44 is rotatably connected to the connecting seat 41 through a bearing 441, a driven gear 45 engaged with the driving gear 43 is fixedly connected to an outer side of the threaded sleeve 44, the driving gear 43 and the driven gear 45 are bevel gears, the specifications of the driving gear 43 and the driven gear 45 are the same, a threaded rod 46 is threadedly connected to an inner side of the threaded sleeve 44, the threaded rod 46 is matched with the specification of the threaded hole, a fixing seat 47 is fixedly connected to one end of the threaded rod 46 away from the threaded sleeve 44, a sliding hole 471 is formed in a side of the fixing seat 47 away from the threaded rod 46, and a rotating hole is formed in an upper surface of the fixing seat 47.

In this embodiment, the adjusting assembly 4 is provided, and a user can quickly support foundation pits of different specifications by matching the connecting seat 41 with the fixing seat 47.

Referring to fig. 1-3, the clamping assembly 5 in this embodiment includes a screw rod 51 having one end rotatably connected to the inner cavity wall of the fixing base 47, the screw rod 51 penetrates through the fixing base 47, a rotating handle 511 is fixedly connected to one end of the screw rod 51 far away from the fixing base 47, the screw rod 51 rotates inside the rotating hole, a clamping block 52 is screwed to the outer side of the screw rod 51, the clamping block 52 is L-shaped, the clamping block 52 slides inside the sliding hole 471, the number of the clamping blocks 52 is two, the two clamping blocks 52 are respectively screwed to two sides of the screw rod 51, and the screw threads at two ends of the screw rod 51 are opposite in rotation direction. The lead screw 51 rotates, and two joint pieces 52 can be respectively to keeping away from each other or the direction that is close to removes, and the joint groove 53 has been seted up to one side that the guard plate 3 is close to the fixing base 47, and the specification of joint groove 53 matches with the specification of joint piece 52.

In this embodiment, the latch assembly 5 is configured to enable a user to rapidly detach the protection plate 3 through the cooperation of the screw rod 51 and the latch groove 53.

The working principle of the embodiment is as follows:

when a user wants to protect the foundation pit 6, the user holds the protection plate 3 by hand, rotates the hand wheel 421, and under the drive of the hand wheel 421, the rotating shaft 42 drives the driving gear 43 to rotate, and the meshed driven gear 45 synchronously rotates, and under the assistance of the bearing 441, the threaded sleeve 44 synchronously rotates, so that the threaded rod 46 of the threaded sleeve 44 directionally moves on the inner side of the threaded sleeve 44 through the limitation of constructors, and the protection plate 3 is driven to support and protect the foundation pit 6.

Claims

1. The utility model provides a foundation ditch envelope, includes bottom plate (1) and foundation ditch (6), its characterized in that: the upper surface of the bottom plate (1) is fixedly connected with a supporting rod (2), a protective plate (3) is arranged on the supporting rod (2), and an adjusting component (4) and a clamping component (5) are arranged between the supporting rod (2) and the protective plate (3);

adjusting part (4) are including rotating connecting seat (41) of connection at the bracing piece (2) other end, connecting seat (41) upper surface rotates and is connected with rotation axis (42), outside fixedly connected with driving gear (43) of rotation axis (42), the outside of connecting seat (41) is rotated and is connected with threaded sleeve (44), the outside fixedly connected with of threaded sleeve (44) and driven gear (45) of driving gear (43) meshing, the inboard threaded connection of threaded sleeve (44) has threaded rod (46), threaded sleeve (44) one end fixedly connected with fixing base (47) are kept away from in threaded rod (46).

2. A foundation pit enclosure according to claim 1 wherein: the support rod (2) is located in the middle of the bottom plate (1), and one end, close to the foundation pit (6), of the protection plate (3) is toothed.

3. A foundation pit support structure according to claim 1, characterized in that: and one end of the rotating shaft (42) far away from the connecting seat (41) is fixedly connected with a hand wheel (421).

4. A foundation pit enclosure according to claim 1 wherein: the number of the threaded sleeves (44) is four, the four threaded sleeves (44) are respectively located on four side faces of the connecting seat (41), and the threaded sleeves (44) are rotatably connected with the connecting seat (41) through bearings (441).

5. A foundation pit enclosure according to claim 1 wherein: the driving gear (43) and the driven gear (45) are both helical gears, and the specifications of the driving gear (43) and the driven gear (45) are the same.

6. A foundation pit support structure according to claim 1, characterized in that: one side of the fixed seat (47) far away from the threaded rod (46) is provided with a sliding hole (471), and the upper surface of the fixed seat (47) is provided with a rotating hole.

7. A foundation pit enclosure according to claim 1 wherein: joint subassembly (5) include that one end rotates lead screw (51) of being connected with fixing base (47) inner chamber wall, and the outside threaded connection of lead screw (51) has joint piece (52), joint groove (53) have been seted up to one side that guard plate (3) are close to fixing base (47).