CN218148404U

CN218148404U - Take umbelliform barb slip casting steel pipe soil nail device

Info

Publication number: CN218148404U
Application number: CN202222695367.2U
Authority: CN
Inventors: 张继康; 邵庆双; 常俊鹏; 杨前程; 魏现涛
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2022-12-27
Anticipated expiration: 2032-10-13

Abstract

The soil nail device with the umbrella-shaped barb grouting steel pipe comprises a fixed cylinder, a connecting cylinder and a screw, wherein the bottom surface of the connecting cylinder is fixedly connected with the upper surface of the fixed cylinder, two groups of metal sheets are fixedly arranged on the outer surface of the connecting cylinder, four sliding grooves are formed in the outer surface of the fixed cylinder, an extension frame is slidably connected inside each sliding groove, four threaded cylinders are connected to the outer surface of the screw in a threaded manner, a clamping frame is fixedly arranged on the outer surface of each threaded cylinder, and a guide rod is movably hinged inside each clamping frame; the utility model discloses utilize the rotation of screw rod, can drive a screw thread section of thick bamboo downstream, cooperation joint frame and guide arm this moment can outwards release extension frame from the sliding tray, not only can make the sliding tray spill the convenient slip casting work that carries on this moment, utilize extension frame stretch out can be very big increase steel pipe soil nail ductility all around simultaneously, reach improvement steel pipe soil nail ductility, increase steel pipe soil nail resistance to plucking effect of performance.

Description

Take umbelliform barb slip casting steel pipe soil nail device

Technical Field

The utility model belongs to the technical field of building structure, especially a take umbelliform barb slip casting steel pipe soil nailing device.

Background

The steel pipe soil nail is used for being driven into the soil body on the side wall of the foundation pit in advance in the building foundation pit enclosure construction process, after positioning is completed, grouting is carried out in alignment, when slurry seeps out of the wall of the soil nail, firm combination with soil is achieved, the steel pipe soil nail is tightly fixed on the wall body, and the soil body on the side wall of the foundation pit is protected to be stable.

The utility model discloses a slip casting steel pipe soil nail is extended to tip that current grant bulletin number is CN 109252529A. Adopt above-mentioned technical scheme, including being responsible for the body, it has head end and tail end to be responsible for the body, head end rigid coupling has and is responsible for the cylindrical cavity casing that body coaxial line set up, cylindrical cavity casing has terminal surface under casing up end and the casing, the feed inlet of being connected with the head end is seted up to the casing up end, a plurality of discharge gates have been seted up to the terminal surface under the casing, but above-mentioned technical scheme, the whole rounding off not enough of steel pipe soil nail, the staff of being not convenient for is nailed into soil with the steel pipe soil nail inside, staff's the use degree of difficulty has been increased, and the ductility is relatively poor all around of steel pipe soil nail, can not be better to extending all around, and then make the steel pipe soil nail resistance to plucking relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a take umbelliform barb slip casting steel pipe soil nailing device, solve traditional steel pipe soil nailing and be not convenient for nail go into soil inside and the relatively poor technical problem of steel pipe soil nailing resistance to plucking performance.

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

The utility model provides a take umbelliform barb slip casting steel pipe soil nail device, includes solid fixed cylinder, connecting cylinder and screw rod, the bottom surface of connecting cylinder is connected with the last fixed surface of solid fixed cylinder, the outer fixed surface of connecting cylinder installs two sets of sheetmetals, four sliding trays, every have been seted up to the surface of solid fixed cylinder the equal sliding connection in inside of sliding tray adds the length frame, the surface threaded connection of screw rod has four screw thread section of thick bamboos, every the equal fixed mounting in surface of screw thread section of thick bamboo has joint frame, every the equal movable hinge in inside of joint frame has a guide arm, every the bottom of guide arm all articulates the inside that adds the length frame through round pin axle activity.

Preferably, the top end of the connecting cylinder is clamped with a striking pad, and the upper surface of the striking pad is provided with anti-slip grooves which are arranged at equal intervals.

Preferably, the outer surface of each group of metal sheets is fixedly provided with a reinforcing ring, and the inner wall of each reinforcing ring is fixedly connected with the outer surface of the connecting cylinder.

Preferably, four reinforcing plates are fixedly mounted on the outer surface of the connecting cylinder, and the bottom surface of each reinforcing plate is fixedly connected with the upper surface of the fixed cylinder.

Preferably, the top end of the screw rod is fixedly provided with a rotating seat, and the upper surface of the rotating seat is provided with a clamping groove.

Preferably, two fixing frames are arranged below the rotating seat, the inner wall of each fixing frame is in contact with the outer surface of the screw rod, and the outer surface of each fixing frame is fixedly connected with the inner wall of the connecting cylinder.

Preferably, a conical block is fixedly mounted on the bottom surface of the fixed cylinder, and the upper surface of the conical block is in contact with the bottom end of the screw rod.

Preferably, an auxiliary bearing is fixedly embedded on the upper surface of the conical block, and an inner ring of the auxiliary bearing is fixedly connected with the outer surface of the screw rod.

Compared with the prior art, the utility model has the following characteristics and beneficial effect.

The utility model discloses a take umbelliform barb slip casting steel pipe soil nail device, through being provided with the screw rod, utilize the rotation of screw rod, can drive a screw section of thick bamboo downstream, cooperation joint frame and guide arm this moment, can outwards release the extension frame from the sliding tray inside, not only can make the sliding tray spill the convenient slip casting work of carrying on this moment, utilize extension frame stretch out can be very big increase steel pipe soil nail ductility all around simultaneously, reach and improve steel pipe soil nail ductility, increase the effect of steel pipe soil nail resistance to plucking performance, because the device nail is gone into soil when inside, extension frame is received inside the solid fixed cylinder, so very big increase the holistic degree of roundness of the device, it puts into soil to reach steel pipe soil nail be convenient for more, reduce the effect that the staff used the degree of difficulty, through being provided with sheetmetal cooperation connecting cylinder, the elasticity of utilizing sheetmetal self not only can not too influence steel pipe soil nail and go into the smoothness degree, can further increase the resistance to plucking performance on bald steel pipe top simultaneously, it is more superior to reach the device result that the result of use effect is more superior, resistance to plucking performance is stronger.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the fixing cylinder of the present invention.

Fig. 2 is a schematic structural view of a connection cylinder in a sectional view.

Fig. 3 is a schematic structural view of the cross-sectional view of the fixing cylinder of the present invention.

Fig. 4 is a schematic structural view of the expansion view of the clamping frame of the present invention.

Reference numerals: 1-a fixed cylinder, 2-a connecting cylinder, 3-a screw rod, 4-a metal sheet, 5-a sliding groove, 6-an elongated frame, 7-a threaded cylinder, 8-a clamping frame, 9-a guide rod, 10-a striking pad, 11-an anti-skidding groove, 12-a reinforcing ring, 13-a reinforcing plate, 14-a rotating seat, 15-a clamping groove, 16-a fixed frame, 17-a conical block and 18-an auxiliary bearing.

Detailed Description

As shown in figures 1-4, this kind of take umbelliform barb slip casting steel pipe soil nail device, including solid fixed cylinder 1, connecting cylinder 2 and screw rod 3, the bottom surface of connecting cylinder 2 is connected with the last fixed surface of solid fixed cylinder 1, the top joint of connecting cylinder 2 has strike pad 10, the antiskid ribbed tile 11 along the equidistance range of horizontal direction is seted up to the upper surface of strike pad 10, strike pad 10 and antiskid ribbed tile 11 not only can make things convenient for the staff use tool to pound the device inside soil, also can prevent simultaneously that impurity from getting into inside connecting cylinder 2, make connecting cylinder 2 difficult by impurity jam.

In this embodiment, two sets of sheetmetals 4 are installed to the fixed surface of connecting cylinder 2, and every group sheetmetal 4 is four, and the equal fixed mounting in surface of every group sheetmetal 4 has reinforcing ring 12, and every reinforcing ring 12's inner wall all is connected with the fixed surface of connecting cylinder 2, and reinforcing ring 12 can increase sheetmetal 4 and connecting cylinder 2's firm in connection degree for the difficult fracture that takes place of sheetmetal 4 junction has guaranteed sheetmetal 4's life.

In this embodiment, four reinforcing plates 13 are fixedly mounted on the outer surface of the connecting cylinder 2, the bottom surface of each reinforcing plate 13 is fixedly connected with the upper surface of the fixed cylinder 1, the reinforcing plates 13 can be used for increasing the connection firmness of the connecting cylinder 2 and the fixed cylinder 1, so that the connecting cylinder 2 and the fixed cylinder 1 are more firmly and reliably connected, the device is not easy to bend, and the overall structural strength of the device is ensured.

In this embodiment, four sliding chutes 5 have been seted up to the surface of solid fixed cylinder 1, and the equal sliding connection in inside of every sliding chute 5 has with extension frame 6, and extension frame 6 is the character cut in bas-relief, and the top fixed mounting of screw rod 3 has a rotation seat 14, and the upper surface of rotating seat 14 has seted up joint groove 15, through rotating 14 cooperation joint grooves 15 of seat, can make things convenient for the staff to use the spanner etc. to rotate screw rod 3, has increased the convenient degree when screw rod 3 rotates.

In this embodiment, the lower part of the rotating seat 14 is provided with two fixing frames 16, the inner wall of each fixing frame 16 is in contact with the outer surface of the screw rod 3, the outer surface of each fixing frame 16 is fixedly connected with the inner wall of the connecting cylinder 2, and the fixing frames 16 can increase the stability of the screw rod 3, so that the screw rod 3 is not prone to excessive swing when rotating, and the use reliability of the screw rod 3 is increased.

In this embodiment, the surface threaded connection of screw rod 3 has four screw thread section of thick bamboo 7, and the equal fixed mounting in surface of every screw thread section of thick bamboo 7 has joint frame 8, and the bottom surface fixed mounting of solid fixed cylinder 1 has toper piece 17, and the upper surface of toper piece 17 contacts with the bottom of screw rod 3, and toper piece 17 can make the device bottom more mellow and more for inside the device can be more smooth and easy nail into soil, has further guaranteed the convenient degree when the device uses.

In this embodiment, the inside of every joint frame 8 all movably hinges has guide arm 9, and the bottom of every guide arm 9 all hinges in the inside of lengthening frame 6 through round pin axle activity, and the fixed surface of toper piece 17 inlays and has auxiliary bearing 18, and auxiliary bearing 18's inner circle and screw rod 3's fixed surface are connected, and auxiliary bearing 18 can assist screw rod 3 to rotate to a certain extent for screw rod 3 rotates more smoothly, has guaranteed screw rod 3's transmission precision.

The utility model discloses a theory of operation is: firstly, utilize toper piece 17 to insert the device in the position that needs, then cooperate percussion pad 10 and non-slip groove 11 to pound the device inside the soil, after going deep into suitable position, take off percussion pad 10, use tools such as spanner cooperation to rotate seat 14 and joint groove 15 and rotate screw rod 3, utilize the threaded connection relation of screw rod 3 and screw cylinder 7, can make screw cylinder 7 move down, and then cooperate joint frame 8 and guide arm 9, can outwards release extension frame 6 a section of thick bamboo sliding tray 5, recess and sliding tray 5 on the cooperation extension frame 6 this moment, can form the slip casting hole, and then can make things convenient for the staff to carry out slip casting work, and utilize extension frame 6 to extend all around, can increase the area of contact of the device with soil, and then the resistance to plucking performance of very big degree increase steel pipe soil nail, the result of use of reinforcing bar soil nail has been increased, and because extension frame 6 contracts before the device is nailed inside the fixed cylinder 1, and then can not influence the smooth degree of the soil when the inside soil of fixed cylinder 1, the resistance to plucking performance of steel pipe soil nail has increased, and the convenient shape of the steel pipe can not only make the whole metal nail not utilize the convenient and the deformation of the device to smash, the soil also can not only the improvement of this soil, the convenient use of the device when the soil nail, the soil.

The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate, but not limit the scope of the present invention, and all applications coming from the simple changes of the present invention fall within the scope of the present invention.

Claims

1. The utility model provides a take umbelliform barb slip casting steel pipe soil nailing device, includes solid fixed cylinder (1), connecting cylinder (2) and screw rod (3), its characterized in that: the bottom surface of connecting cylinder (2) is connected with the last fixed surface of solid fixed cylinder (1), the fixed surface of connecting cylinder (2) installs two sets of sheetmetals (4), four sliding tray (5), every have been seted up to the surface of solid fixed cylinder (1) the equal sliding connection in inside of sliding tray (5) has extension frame (6), the surface threaded connection of screw rod (3) has four screw thread section of thick bamboo (7), every the equal fixed mounting in surface of screw thread section of thick bamboo (7) has joint frame (8), every the equal movable hinge in inside of joint frame (8) has guide arm (9), every the bottom of guide arm (9) all articulates the inside that adds extension frame (6) through the round pin axle activity.

2. The device of claim 1, wherein the device comprises: the top end of the connecting cylinder (2) is clamped with a striking pad (10), and the upper surface of the striking pad (10) is provided with anti-slip grooves (11) which are arranged at equal intervals.

3. The device of claim 1, wherein the device comprises: and a reinforcing ring (12) is fixedly mounted on the outer surface of each group of metal sheets (4), and the inner wall of each reinforcing ring (12) is fixedly connected with the outer surface of the connecting cylinder (2).

4. The device of claim 1, wherein the device comprises: the outer fixed surface of connecting cylinder (2) installs four reinforcing plates (13), every the bottom surface of reinforcing plate (13) all is connected with the last fixed surface of a fixed section of thick bamboo (1).

5. The device of claim 1, wherein the device comprises: the top end fixed mounting of screw rod (3) rotates seat (14), joint groove (15) have been seted up to the upper surface that rotates seat (14).

6. The device of claim 5, wherein the device comprises: two fixing frames (16) are arranged below the rotating seat (14), the inner wall of each fixing frame (16) is in contact with the outer surface of the screw (3), and the outer surface of each fixing frame (16) is fixedly connected with the inner wall of the connecting cylinder (2).

7. The device of claim 1, wherein the device comprises: the bottom surface fixed mounting of fixed section of thick bamboo (1) has toper piece (17), the upper surface of toper piece (17) contacts with the bottom of screw rod (3).

8. The device of claim 7, wherein the device comprises: an auxiliary bearing (18) is fixedly embedded on the upper surface of the conical block (17), and an inner ring of the auxiliary bearing (18) is fixedly connected with the outer surface of the screw rod (3).