CN217325386U

CN217325386U - Protective structure for building deep foundation pit construction

Info

Publication number: CN217325386U
Application number: CN202220146299.1U
Authority: CN
Inventors: 向宇翔; 钱金强; 徐斌
Original assignee: Chun'an Huali Construction Engineering Co ltd
Current assignee: Chun'an Huali Construction Engineering Co ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2022-08-30
Anticipated expiration: 2032-01-19

Abstract

The utility model discloses a protective structure is used in deep basal pit construction in room is built, including backplate and a plurality of group's bracing pieces that articulate in backplate one side, the backplate is hugged closely in the medial surface of foundation ditch, and the bottom of backplate and the interior bottom surface of foundation ditch contact each other, slide between the bracing piece with organizing and be provided with the support, the bilateral symmetry that the support is close to the bracing piece is provided with the backup pad, backup pad and bracing piece sliding fit, the inside slip of support is provided with a supporting bench, the support bottom is provided with ejecting device, ejecting device's output and a supporting bench's bottom contact each other, one side of bracing piece is provided with the pulling device with backplate fixed connection, the output and the support fixed connection of pulling device, the utility model discloses rational in infrastructure, solve the inside work piece of a supporting bench and take out comparatively trouble problem.

Description

Protective structure for building deep foundation pit construction

Technical Field

The utility model relates to a housing construction excavation supporting technical field, in particular to deep foundation is built in room protective structure for construction.

Background

The foundation pit support is a retaining, 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.

Chinese patent application No. CN202020068588.5 discloses a housing construction basis deep basal pit excavation construction protective structure, relate to housing construction excavation supporting's technical field, prior art when transporting the instrument or the material of relative great volume has been solved, not very convenient problem, it is including a backplate, the backplate closely pastes the foundation ditch lateral wall, and the backplate extends to subaerially, still including the bracing piece that is used for supporting the backplate, bracing piece one end articulates in the backplate upper end, bracing piece other end butt is in the foundation ditch bottom surface, the bracing piece is for setting up in pairs, there is the slide along its length direction sliding connection on the bracing piece, be equipped with on the backplate and be used for driving the gliding drive assembly of slide, the utility model discloses have the effect of the convenient transportation article of certain degree top.

Above-mentioned scheme is when implementing, when the slide slided the bottom of bracing piece, because slide itself has the height for there is the difference in height brace table can and foundation ditch bottom, and it is comparatively troublesome when making the inside instrument of brace table take out, and comparatively dangerous, causes the harm to the instrument easily, provides a solution to below the above problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deep basal pit protective structure is used in construction in room is built, solves the inside work piece of brace table and takes out comparatively trouble problem.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a deep basal pit protective structure is used in construction in room, includes backplate and a plurality of groups bracing piece that articulate in backplate one side, the backplate is hugged closely in the medial surface of foundation ditch, just the bottom of backplate and the interior bottom surface of foundation ditch contact each other, with organizing it is provided with the support to slide between the bracing piece, the support is close to the bilateral symmetry of bracing piece is provided with the backup pad, backup pad and bracing piece sliding fit, the inside slip of support is provided with a supporting bench, the support bottom is provided with ejecting device, ejecting device's output and supporting bench's bottom contact each other, one side of bracing piece is provided with the pulling device with backplate fixed connection, the output and the support fixed connection of pulling device.

Adopt above-mentioned technical scheme, during the use, inside the user puts into a supporting bench with the instrument, slowly relax through the pulling device for support and supporting bench are sliding down along the bracing piece under the action of gravity of self, the backup pad plays the supporting role to the support, until support and foundation ditch bottom mutual contact, ejecting device withdraws this moment, the supporting bench is moving to support inside under the effect of self gravity, supporting bench and support bottom mutual contact, the person of facilitating the use takes off the instrument this moment, avoid damaging the instrument.

Preferably, the ejection device comprises a hydraulic cylinder, a first rod, a second rod, a connecting rod and a sleeve, the rods are symmetrically arranged between the support and the support table, the first rod is arranged at one end of the first rod, the other end of the first rod is in running fit with the support table, the second rod penetrates through the first rod, the second rod is in running fit with the first rod, the two ends of the second rod are in running fit with the support and the support table respectively, the connecting rod is located between the second rod, the two ends of the connecting rod are close to one side of the support with the two second rods respectively, the sleeve is sleeved on the connecting rod, the sleeve is in running fit with the connecting rod, the hydraulic cylinder is located on one side of the sleeve, the hydraulic cylinder is in running fit with the bottom surface of the support, and the output end of the hydraulic cylinder is fixedly connected with the sleeve.

By adopting the technical scheme, the hydraulic cylinder is started, the sleeve is driven to move during the hydraulic cylinder, the sleeve drives the connecting rod to move, the connecting rod can pull the second rod to rotate, the second rod and the first rod rotate relatively, so that the second rod and the second rod change the change in height for a while, the height of the supporting table is adjusted, and the hydraulic cylinder and the sleeve which are rotationally arranged can effectively avoid the blockage caused by the rotation of the second rod, so that the second rod and the first rod can rotate conveniently.

Preferably, the pulling device comprises a motor, a wire winding roller and a steel cable, the motor is fixed on one side of the guard plate, the wire winding roller is fixedly connected with the output end of the motor, two ends of the steel cable are respectively fixedly connected with the wire winding roller and the support, and the steel cable is wound on the wire winding roller.

Adopt above-mentioned technical scheme, the motor starts, and the motor drives receipts line roller and rotates, receives line roller and rotates and to make the cable wire scatter from receiving line roller to make the support can the lapse.

Preferably, the supporting table is symmetrically and fixedly connected with the side plates, the connecting doors are symmetrically arranged between the side plates, the connecting doors are in rotating fit with the top of the supporting table, and the connecting doors are clamped with the side plates.

By adopting the technical scheme, the breast board and the connecting door play a role in protecting the supporting table and avoid falling, and the hinged connecting door is convenient for feeding and discharging.

Preferably, a limiting groove is formed in the side face of the support, a limiting block is arranged in the limiting groove in a sliding mode, and the limiting block is fixedly connected with the support platform.

Adopt above-mentioned technical scheme, the cooperation between spacing groove and the stopper plays the stabilizing action to the removal of brace table, avoids taking place between brace table and the support to rock.

Preferably, the connecting rings are symmetrically arranged on one side of the breast board, the connecting door is movably provided with a hook, and the hook is matched with the connecting rings.

By adopting the technical scheme, the hook is matched with the connecting ring, so that the connecting door can be fixed, and meanwhile, the sealing door can be conveniently opened.

Preferably, a controller is arranged on the support table, and the controller and the pulling device are electrically connected with the ejection device.

By adopting the technical scheme, the controller is used for controlling the starting and stopping of the motor and the hydraulic cylinder.

Has the beneficial effects that: adopt ejecting device to support a supporting bench, conveniently carry out the material loading at the top, when reacing the bottom, ejecting device withdraws, and ejecting device drives a supporting bench and withdraws to make things convenient for a supporting bench unloading.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a front view of the embodiment;

FIG. 3 is a schematic view of an embodiment showing an ejection device;

figure 4 is a cross-sectional view of the support and support table.

Reference numerals: 1. a guard plate; 2. a support bar; 3. a support; 4. a support plate; 5. a support table; 6. an ejection device; 7. a pulling device; 8. a hydraulic cylinder; 9. a first rod; 10. a second rod; 11. a connecting rod; 12. a sleeve; 13. a motor; 14. a wire take-up roller; 15. a steel cord; 16. a breast board; 17. a connecting door; 18. a limiting groove; 19. a limiting block; 20. a connecting ring; 21. hooking; 22. and a controller.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

See fig. 1 to 4, a protective structure is used in deep basal pit construction is built in room, including backplate 1 and a plurality of groups bracing piece 2 that articulate in backplate 1 one side, backplate 1 hugs closely in the medial surface of foundation ditch, and the bottom of backplate 1 and the interior bottom surface of foundation ditch contact each other, it is provided with support 3 to slide between the bracing piece 2 with organizing, the bilateral symmetry that support 3 is close to bracing piece 2 is provided with backup pad 4, backup pad 4 and 2 sliding fit of bracing piece, support 3 inside slides and is provided with brace table 5, brace table 5's side symmetry and fixedly connected with breast board 16, the symmetry is provided with connecting door 17 between breast board 16, connecting door 17 and brace table 5's top normal running fit, the one side symmetry of breast board 16 is provided with go-between 20, movable mounting has couple 21 on connecting door 17, couple 21 and the cooperation of go-between 20.

During the use, inside the user put into brace table 5 with the instrument, breast board 16 and connecting door 17 have played the guard action to brace table 5, avoid dropping, and articulated connecting door 17 that sets up makes things convenient for material loading and unloading, and couple 21 and the cooperation with go-between 20 can play the fixed action to connecting door 17, make things convenient for opening of sealing door simultaneously.

The supporting table 5 is provided with a controller 22, one side of the supporting rod 2 is provided with a pulling device 7 fixedly connected with the guard plate 1, the pulling device 7 comprises a motor 13, a wire take-up roller 14 and a steel cable 15, the motor 13 is fixed on one side of the guard plate 1, the wire take-up roller 14 is fixedly connected with the output end of the motor 13, two ends of the steel cable 15 are respectively fixedly connected with the wire take-up roller 14 and the support 3, the steel cable 15 is wound on the wire take-up roller 14, the motor 13 is started, the motor 13 drives the wire take-up roller 14 to rotate, the wire take-up roller 14 can enable the steel cable 15 to be scattered from the wire take-up roller 14 through rotation of the steel cable 15, the support 3 and the supporting table 5 can slide downwards along the supporting rod 2 under self gravity action, the support 3 can move downwards, and the supporting plate 4 plays a supporting role on the support 3 until the support 3 is contacted with the bottom of a foundation pit.

Support 3 bottom is provided with ejecting device 6, ejecting device 6 includes pneumatic cylinder 8, first pole 9, second pole 10, connecting rod 11 and sleeve pipe 12, first pole 9 symmetrical arrangement is between support 3 and brace table 5, the one end of two first poles 9 and the 3 normal running fit other end of support and brace table 5 sliding fit, second pole 10 passes first pole 9, second pole 10 and first pole 9 normal running fit, the both ends of second pole 10 respectively with support 3 and brace table 5 sliding fit, connecting rod 11 is located between second pole 10, and the both ends of connecting rod 11 are close to one side fixed connection of support 3 with two second poles 10 respectively, sleeve pipe 12 cover is established on connecting rod 11, sleeve pipe 12 and connecting rod 11 normal running fit, pneumatic cylinder 8 is located one side of sleeve pipe 12, the bottom surface normal running fit of pneumatic cylinder 8 and support 3, the output and the sleeve pipe 12 fixed connection of pneumatic cylinder 8.

The hydraulic cylinder 8 is started, the sleeve 12 is driven to move when the hydraulic cylinder 8 is started, the sleeve 12 drives the connecting rod 11 to move, the connecting rod 11 can pull the rod two 10 to rotate, the rod two 10 and the rod one 9 rotate relatively, so that the rod two 10 and the rod one 9 can change the change in height, so as to adjust the height of the support table 5, the support table 5 moves towards the inside of the support 3 under the action of self gravity, a limit groove 18 is formed in the side surface of the support 3, a limit block 19 is arranged in the limit groove 18 in a sliding manner, the limit block 19 is fixedly connected with the support table 5, the cooperation between the limit groove 18 and the limit block 19 plays a stabilizing role in moving the support table 5, shaking between the support table 5 and the support 3 is avoided, the bottom of the support table 5 and the bottom of the support 3 are contacted with each other, at the moment, a user can take down a tool to avoid damaging the tool, the hydraulic cylinder 8 and the sleeve 12 which are rotationally arranged can effectively avoid the deadlocking caused by the rotation of the rod two 10, the rotation of the second rod 10 and the first rod 9 is facilitated.

Claims

1. The protection structure for building deep foundation pit construction comprises a protection plate (1) and a plurality of groups of support rods (2) hinged to one side of the protection plate (1), and is characterized in that the protection plate (1) is tightly attached to the inner side surface of a foundation pit, the bottom of the protection plate (1) is in mutual contact with the inner bottom surface of the foundation pit, a support (3) is arranged between the support rods (2) in a sliding mode, the support (3) is close to two sides of the support rods (2) and is symmetrically provided with support plates (4), the support plates (4) are in sliding fit with the support rods (2), a support table (5) is arranged inside the support (3) in a sliding mode, an ejection device (6) is arranged at the bottom of the support (3), the output end of the ejection device (6) is in mutual contact with the bottom of the support table (5), a pulling device (7) fixedly connected with the protection plate (1) is arranged on one side of the support rods (2), the output end of the pulling device (7) is fixedly connected with the bracket (3).

2. The protective structure for building deep foundation pit construction according to claim 1, wherein the ejection device (6) comprises a hydraulic cylinder (8), a first rod (9), a second rod (10), a connecting rod (11) and a sleeve (12), the first rod (9) is symmetrically arranged between a support (3) and a support table (5), one end of the first rod (9) is in running fit with the support (3) and the other end is in sliding fit with the support table (5), the second rod (10) penetrates through the first rod (9), the second rod (10) is in running fit with the first rod (9), two ends of the second rod (10) are in sliding fit with the support (3) and the support table (5) respectively, the connecting rod (11) is located between the second rod (10), and two ends of the connecting rod (11) are fixedly connected with one side of the second rod (10) close to the support (3) respectively, the utility model discloses a pneumatic control device, including connecting rod (11), casing (12), connecting rod (11), pneumatic cylinder (8), the bottom surface normal running fit of pneumatic cylinder (8) and support (3), the output and the casing (12) fixed connection of pneumatic cylinder (8), casing (12) cover is established on connecting rod (11), casing (12) and connecting rod (11) normal running fit, pneumatic cylinder (8) are located one side of casing (12).

3. The protective structure for building deep foundation pit construction according to claim 1, wherein the pulling device (7) comprises a motor (13), a take-up roller (14) and a steel cable (15), the motor (13) is fixed on one side of the protective plate (1), the take-up roller (14) is fixedly connected with the output end of the motor (13), two ends of the steel cable (15) are respectively fixedly connected with the take-up roller (14) and the support (3), and the steel cable (15) is wound on the take-up roller (14).

4. The protection structure for the construction of the deep foundation pit is built in the room according to claim 1, characterized in that the side surfaces of the supporting platform (5) are symmetrically and fixedly connected with the side plates (16), the connecting doors (17) are symmetrically arranged between the side plates (16), the tops of the connecting doors (17) and the supporting platform (5) are in running fit, and the connecting doors (17) are clamped with the side plates (16).

5. The protective structure for construction of the deep foundation pit in the house according to claim 1, wherein a limiting groove (18) is formed in the side surface of the support (3), a limiting block (19) is slidably arranged in the limiting groove (18), and the limiting block (19) is fixedly connected with the support platform (5).

6. The protective structure for building deep foundation pit construction according to claim 4, wherein one side of the breast board (16) is symmetrically provided with a connecting ring (20), the connecting door (17) is movably provided with a hook (21), and the hook (21) is matched with the connecting ring (20).

7. The protective structure for construction of the deep foundation pit of the building construction according to claim 1, wherein the supporting platform (5) is provided with a controller (22), and the controller (22) and the pulling device (7) are electrically connected with the ejecting device (6).