CN213038371U

CN213038371U - Pile foundation steel protects a leading truck for section of thick bamboo

Info

Publication number: CN213038371U
Application number: CN202021497219.4U
Authority: CN
Inventors: 陈然; 蒲秋菊; 冯馨文
Original assignee: Chengdu Chengtou Construction Engineering Co ltd
Current assignee: Chengdu Chengtou Construction Engineering Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-04-23
Anticipated expiration: 2030-07-24

Abstract

The utility model relates to a pile foundation steel protects a guide frame for section of thick bamboo relates to pile foundation construction technical field, which comprises a bracket, the support includes a plurality of horizontally branches, branch sets up to extending structure, a plurality of branch head and the tail fixed connection in proper order through the connecting piece, the vertical fixed first arc that is used for with the downthehole stake inner wall butt of seting up in advance that is provided with in bottom of branch, a plurality of the concave surface of first arc is towards the center of support, a plurality of first arc and a plurality of branch one-to-one. The application has the effect of improving the application range.

Description

Pile foundation steel protects a leading truck for section of thick bamboo

Technical Field

The application relates to a pile foundation construction technical field especially relates to a pile foundation steel protects a leading truck for section of thick bamboo.

Background

The steel casing is exactly at the in-process of carrying out the manual hole digging pile, because soil property is unstable, there is great degree of difficulty in constructing the reinforced concrete dado so adopt the dado of steel to protect the hole pile, prevent that the hole collapse from avoiding influencing construction progress and safety. In the process of placing the steel casing into the hole pile, the steel casing is usually positioned by a guide frame installed on a working platform, so that the steel casing can be placed into the hole pile.

Chinese patent No. CN207484481U discloses a steel casing guide frame, which includes a guide cylinder for penetrating a pile foundation steel casing, wherein the inner diameter of the guide cylinder is matched with the outer diameter of the pile foundation steel casing; the guide frame is fixedly sleeved outside the side wall of the guide cylinder and can be fixedly and horizontally arranged on the horizontal construction ground, and the top surface of the guide frame is horizontally arranged and is vertically arranged in a space with the central shaft of the guide cylinder; the bottom of the guide cylinder extends downwards to penetrate through the guide frame. During the use, insert the guide cylinder in the hole stake of seting up in advance, until leading truck and construction level ground butt to be fixed in the horizontal ground of construction with the leading truck on, then pass the guide cylinder with the steel casing through the hoist and mount mode, the guide cylinder plays the guide orientation effect to the steel casing, so that the smooth patchhole stake of steel casing is interior.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: different projects usually need use the steel of different diameters to protect a section of thick bamboo, and above-mentioned guide cylinder adopts the steel sheet to make and the internal diameter is fixed usually, only is applicable to the steel of a diameter and protects a section of thick bamboo, and application scope is narrow.

SUMMERY OF THE UTILITY MODEL

In order to improve application scope, this application provides a pile foundation steel protects a leading truck for section of thick bamboo.

The application provides a pair of pile foundation steel protects a leading truck for section of thick bamboo adopts following technical scheme:

the utility model provides a pile foundation steel protects a guide frame for section of thick bamboo, includes the support, the support includes a plurality of horizontally branch, branch sets up to extending structure, a plurality of branch head and the tail fixed connection in proper order through the connecting piece, the vertical fixed first arc that is used for with the hole stake inner wall butt of seting up in advance that is provided with in bottom of branch, a plurality of the concave surface of first arc is towards the center of support, a plurality of first arc and a plurality of branch one-to-one.

Through adopting above-mentioned technical scheme, during the use, through connecting piece with a plurality of spinal branch head and the tail fixed connection in proper order, the length of adjustment spinal branch and make the length of every spinal branch unanimous to the concave surface distance between two relative first arcs slightly is greater than the hole stake diameter of actually seting up. Then insert first arc in the hole stake of seting up in advance to make first arc and hole stake inner wall butt, until support and ground butt, first arc can play the guide effect to the steel casing of inserting in the hole stake. The telescopic structure of the supporting rod enables the distance from the concave surface of the first arc-shaped plate to the center of the support to be adjustable, so that the guide frame is suitable for steel casings with different diameters, and the application range is widened.

Preferably, branch includes first slide bar, second slide bar and connecting cylinder, the one end of connecting cylinder is worn to locate in the slip of first slide bar coaxial line, the other end of connecting cylinder is worn to locate in the slip of second slide bar coaxial line, first slide bar and second slide bar are all through supporting tight bolt and connecting cylinder fixed connection.

Through adopting above-mentioned technical scheme, first slide bar and second slide bar slide on the connecting cylinder, make the length of a prop satisfy actual demand, then screw up and support the bolt with fixed first slide bar and second slide bar, can realize the length adjustment of a prop, it is very convenient.

Preferably, the first sliding rod and the second sliding rod are both provided with scale marks.

Through adopting above-mentioned technical scheme, the accuracy of branch length adjustment has been improved in the setting of scale mark.

Preferably, the supporting rod comprises a first screw rod, a second screw rod and a sleeve, the first screw rod is coaxially and threadedly rotated to penetrate through one end of the sleeve, the second screw rod is coaxially and threadedly rotated to penetrate through the other end of the sleeve, and the first screw rod and the second screw rod are both spherically hinged with the connecting piece.

By adopting the technical scheme, the first screw rod and the second screw rod on each supporting rod are rotated until the distance between the concave surfaces of the two opposite first arc-shaped plates is slightly larger than the diameter of the actually-arranged hole pile, so that the length of the supporting rod is adjusted conveniently.

Preferably, the connecting piece includes connecting block, connecting rod and spacer pin, the connecting block is fixed to be set up in the one end of branch, the fixed other end that sets up branch of connecting rod coaxial line, set up on the connecting block and supply connecting rod male spread groove, the spacer pin slides and wears to locate on the connecting block, set up on the connecting rod and supply spacer pin male spacing groove.

By adopting the technical scheme, the connecting rod on one supporting rod is inserted into the connecting groove on the other supporting rod, and then the limiting pin is inserted into the limiting groove, so that the two supporting rods can be connected together, and the connecting device is very convenient.

Preferably, a fixed block is fixedly arranged at one end of the limiting pin far away from the connecting groove, and a spring for driving the limiting pin to move towards the direction close to the connecting groove is sleeved on the limiting pin; one end of the spring is fixedly connected with the connecting block, and the other end of the spring is fixedly connected with the fixing block.

Through adopting above-mentioned technical scheme, insert the connecting rod in the spread groove, the elasticity of spring orders about the spacer pin and inserts the spacing inslot automatically, and is very convenient.

Preferably, the bottom of the connecting block is vertically and fixedly provided with an inserting rod for inserting into the ground.

Through adopting above-mentioned technical scheme, the setting up of inserted bar makes branch be connected inseparabler with ground, has improved the stability of support when using.

Preferably, the first arc-shaped plate is fixedly connected with the supporting rod through a mounting bolt.

Through adopting above-mentioned technical scheme, make and to dismantle between first arc and the branch, the change and the maintenance of the first arc of being convenient for.

Preferably, the top of first arc inclines fixedly to be provided with the second arc, the concave surface of second arc is towards the center of support, the convex surface of second arc is close to branch setting.

Through adopting above-mentioned technical scheme, the second arc plays certain guide effect to the steel that passes the support protects a section of thick bamboo to the steel protects a space that a section of thick bamboo can pass the formation of a plurality of first arc smoothly.

To sum up, the application comprises the following beneficial technical effects:

the telescopic structure of the supporting rod enables the distance from the concave surface of the first arc-shaped plate to the center of the support to be adjustable, so that the guide frame is suitable for steel casings with different diameters, and the application range is further expanded;

the first screw and the second screw on each supporting rod are rotated until the distance between the concave surfaces of the two opposite first arc-shaped plates is slightly larger than the diameter of the actually-formed hole pile, so that the length of the supporting rod is adjusted conveniently;

the connecting rod on one supporting rod is inserted into the connecting groove on the other supporting rod, and then the limiting pin is inserted into the limiting groove, so that the two supporting rods can be connected together, and the connecting device is very convenient.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present application;

FIG. 2 is a schematic structural view of a strut in accordance with an embodiment of the present invention;

FIG. 3 is a schematic view of two struts connected by a connector according to one embodiment of the present disclosure;

FIG. 4 is a schematic overall structure diagram of a second embodiment of the present application;

fig. 5 is a schematic structural view of a strut in the second embodiment of the present application.

Description of reference numerals: 1. a support; 11. a strut; 111. a first slide bar; 112. a second slide bar; 113. a connecting cylinder; 114. a first screw; 115. a second screw; 116. a sleeve; 2. a connecting member; 21. connecting blocks; 211. connecting grooves; 212. a limiting hole; 22. a connecting rod; 221. a limiting groove; 23. a spacing pin; 231. a fixed block; 232. a spring; 3. a first arc-shaped plate; 31. installing a bolt; 4. tightly abutting against the bolt; 5. scale lines; 6. inserting a rod; 7. a second arcuate plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Implementing one step:

the embodiment of the application discloses pile foundation steel protects a leading truck for section of thick bamboo, refers to fig. 1, including support 1, support 1 includes the branch 11 of a plurality of horizontal settings. The supporting rods 11 are of a telescopic structure, and the plurality of supporting rods 11 are sequentially fixedly connected end to end through the connecting pieces 2. The bottom of the supporting rod 11 is vertically and fixedly provided with a first arc-shaped plate 3 which is used for being abutted against the inner wall of a pre-opened hole pile, and the concave surface of the first arc-shaped plates 3 faces the center of the support 1. In this embodiment, the number of the supporting rods 11 is four, the number of the first arc-shaped plates 3 is four, and the four first arc-shaped plates 3 correspond to the four supporting rods 11 one by one.

When the device is used, the plurality of supporting rods 11 are sequentially and fixedly connected end to end through the connecting pieces 2, the length of each supporting rod 11 is adjusted, and the length of each supporting rod 11 is consistent, so that the concave distance between the two opposite first arc-shaped plates 3 is slightly larger than the diameter of an actually-arranged hole pile. Then the first arc-shaped plate 3 is inserted into a hole pile which is arranged in advance, and the first arc-shaped plate 3 is abutted against the inner wall of the hole pile until the support 1 is abutted against the ground.

A steel casing is inserted through the bracket 1 and into the space formed by the four first arc-shaped plates 3. The first arc-shaped plates 3 play a role in guiding the steel casing so that the steel casing can be smoothly inserted into the hole pile. The telescopic structure of the supporting rod 11 enables the distance from the concave surface of the first arc-shaped plate 3 to the center of the support 1 to be adjustable, so that the guide frame is suitable for steel casing cylinders with different diameters, and the application range is widened.

Referring to fig. 1 and 2, the strut 11 includes a first sliding rod 111, a second sliding rod 112 and a connecting cylinder 113, the first sliding rod 111 and the second sliding rod 112 are both square rods, and the connecting cylinder 113 is a square cylinder adapted to the first sliding rod 111 and the second sliding rod 112. The first sliding rod 111 is coaxially slidably disposed at one end of the connecting cylinder 113, the second sliding rod 112 is coaxially slidably disposed at the other end of the connecting cylinder 113, and the first sliding rod 111 and the second sliding rod 112 are both fixedly connected to the connecting cylinder 113 through the fastening bolt 4.

Referring to fig. 1 and 2, the first sliding rod 111 and the second sliding rod 112 are both provided with scale marks 5, and the setting of the scale marks 5 improves the accuracy of length adjustment of the strut 11. Slide first slide bar 111 and second slide bar 112 on connecting cylinder 113, make the length of branch 11 satisfy actual demand, then screw up and support bolt 4 in order to fix first slide bar 111 and second slide bar 112, can realize the length adjustment of branch 11, it is very convenient.

Referring to fig. 2 and 3, the connecting member 2 includes a connecting block 21, a connecting rod 22 and a limit pin 23, the connecting block 21 is fixedly disposed at one end of the first sliding rod 111 far away from the connecting cylinder 113, and the connecting rod 22 is coaxially and fixedly disposed at one end of the second sliding rod 112 far away from the connecting cylinder 113. The side wall of the connecting block 21 is provided with a connecting groove 211 for inserting the connecting rod 22 along a direction perpendicular to the second sliding rod 112, and the connecting groove 211 is matched with the connecting rod 22.

Referring to fig. 2 and 3, a limiting hole 212 is formed in a side wall of the connecting block 21 away from the first sliding rod 111 along a length direction of the first sliding rod 111, and the limiting hole 212 is communicated with the connecting groove 211. The connecting rod 22 is provided with a limiting groove 221 along a direction perpendicular to the second sliding rod 112, the limiting hole 212 and the limiting groove 221 are both adapted to the limiting pin 23, and the limiting pin 23 is slidably disposed between the limiting hole 212 and the limiting groove 221.

The connecting rod 22 on one support rod 11 is inserted into the connecting groove 211 on the other support rod 11, then the limiting pin 23 is slid, the limiting pin 23 penetrates through the limiting hole 212 and is inserted into the limiting groove 221, the position of the connecting rod 22 in the limiting groove 221 can be limited, and therefore the two support rods 11 are connected together conveniently.

Referring to fig. 2 and 3, a fixing block 231 is fixedly disposed at one end of the limit pin 23, which is far away from the connecting groove 211, a spring 232 for driving the limit pin 23 to move in a direction close to the connecting groove 211 is sleeved on the limit pin 23, one end of the spring 232 is fixedly connected with the connecting block 21, and the other end of the spring is fixedly connected with the fixing block 231. The connecting rod 22 is inserted into the connecting groove 211 until the position-limiting groove 221 is aligned with the position-limiting hole 212, and the elastic force of the spring 232 drives the position-limiting pin 23 to be automatically inserted into the position-limiting groove 221, which is very convenient.

Referring to fig. 1 and 3, the bottom of the connecting block 21 is vertically and fixedly provided with an inserting rod 6 for inserting into the ground, and the arrangement of the inserting rod 6 enables the support rod 11 to be more tightly connected with the ground, so that the stability of the support 1 in use is improved.

Referring to fig. 1, the first arc-shaped plate 3 is fixedly connected with the connecting cylinder 113 through the mounting bolt 31, so that the first arc-shaped plate 3 and the supporting rod 11 can be detached from each other, and the first arc-shaped plate 3 can be conveniently replaced and maintained.

Referring to fig. 1, the top of the first arc-shaped plate 3 is obliquely and fixedly provided with four second arc-shaped plates 7, in this embodiment, the number of the second arc-shaped plates 7 is four, and the four second arc-shaped plates 7 correspond to the four first arc-shaped plates 3 one by one. The concave surface of the second arc 7 faces the center of the bracket 1, and the convex surface of the second arc 7 is arranged close to the strut 11. The second arc-shaped plate 7 plays a certain guiding role for the steel casing passing through the bracket 1, so that the steel casing can smoothly pass through the space formed by the plurality of first arc-shaped plates 3.

The implementation principle of the first embodiment of the application is as follows: when the connecting rod is used, the connecting rod 22 on one support rod 11 is inserted into the connecting groove 211 on the other support rod 11, and then the limiting pin 23 passes through the limiting hole 212 and is inserted into the limiting groove 221, so that the two support rods 11 can be connected together. And repeating the steps, and fixedly connecting the four support rods 11 end to end in sequence. Then, the first sliding rod 111 and the second sliding rod 112 on each strut 11 are slid to enable the concave distance between the two opposite first arc-shaped plates 3 to be slightly larger than the diameter of the actually-opened hole pile, and then the abutting bolt 4 is screwed down to fix the first sliding rod 111 and the second sliding rod 112.

The first arc-shaped plate 3 is inserted into a hole pile which is arranged in advance, and the first arc-shaped plate 3 is abutted against the inner wall of the hole pile. The bracket 1 is moved downwards, and the inserted link 6 is inserted into the ground until the bracket 1 is abutted against the ground, thereby completing the installation. The distance from the concave surface of the first arc-shaped plate 3 to the center of the support 1 is adjustable, so that the guide frame is suitable for steel casing cylinders with different diameters, and the application range is widened.

Example two: the main difference from the first embodiment is the difference in the strut 11.

Referring to fig. 4 and 5, the support rod 11 includes a first screw 114, a second screw 115 and a sleeve 116, the first screw 114 is coaxially and threadedly rotatably disposed at one end of the sleeve 116, and the second screw 115 is coaxially and threadedly rotatably disposed at the other end of the sleeve 116. One end of the first screw 114, which is far away from the second screw 115, is spherically hinged with the connecting block 21, and one end of the second screw 115, which is far away from the first screw 114, is spherically hinged with the connecting rod 22.

The implementation principle of the second embodiment of the present application is as follows: when the connecting rod is used, the connecting rod 22 on one support rod 11 is inserted into the connecting groove 211 on the other support rod 11, and then the limiting pin 23 passes through the limiting hole 212 and is inserted into the limiting groove 221, so that the two support rods 11 can be connected together. And repeating the steps, and fixedly connecting the four support rods 11 end to end in sequence. Then the first screw 114 and the second screw 115 on each strut 11 are rotated until the concave distance between the two opposite first arc-shaped plates 3 is slightly larger than the diameter of the actually-opened hole pile, thereby completing the length adjustment of the strut 11, which is very convenient.

The first arc-shaped plate 3 is inserted into a hole pile which is arranged in advance, and the first arc-shaped plate 3 is abutted against the inner wall of the hole pile. And (3) moving the support 1 downwards, and inserting the inserted rod 6 into the ground until the support 1 is abutted against the ground, thereby completing the installation of the guide frame. The distance from the concave surface of the first arc-shaped plate 3 to the center of the support 1 is adjustable, so that the guide frame is suitable for steel casing cylinders with different diameters, and the application range is widened.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pile foundation steel protects a leading truck for section of thick bamboo which characterized in that: including support (1), support (1) includes a plurality of horizontally branch (11), branch (11) set up to extending structure, a plurality of branch (11) are through connecting piece (2) end to end fixed connection in proper order, the vertical fixed first arc (3) that are used for with the hole stake inner wall butt of seting up in advance that is provided with in bottom of branch (11), a plurality of the concave surface of first arc (3) is towards the center of support (1), a plurality of first arc (3) and a plurality of branch (11) one-to-one.

2. The guide frame for the pile foundation steel casing according to claim 1, wherein: branch (11) are including first pole (111), the second pole (112) and connecting cylinder (113) of sliding, the one end of locating connecting cylinder (113) is worn in the slip of first pole (111) coaxial line, the other end of locating connecting cylinder (113) is worn in the slip of second pole (112) coaxial line, first pole (111) and the second pole (112) of sliding all through supporting tight bolt (4) and connecting cylinder (113) fixed connection.

3. The guide frame for the pile foundation steel casing according to claim 2, wherein: and the first sliding rod (111) and the second sliding rod (112) are both provided with scale marks (5).

4. The guide frame for the pile foundation steel casing according to claim 1, wherein: branch (11) include first screw rod (114), second screw rod (115) and sleeve (116), the one end of wearing to locate sleeve (116) is rotated to first screw rod (114) coaxial line screw thread, the other end of wearing to locate sleeve (116) is rotated to second screw rod (115) coaxial line screw thread, first screw rod (114) and second screw rod (115) all with connecting piece (2) spherical articulated.

5. The guide frame for the pile foundation steel casing according to claim 1, wherein: connecting piece (2) are including connecting block (21), connecting rod (22) and spacer pin (23), connecting block (21) are fixed to be set up in the one end of branch (11), the fixed other end that sets up branch (11) of connecting rod (22) coaxial line, offer on connecting block (21) and supply connecting rod (22) male spread groove (211), spacer pin (23) slide and wear to locate on connecting block (21), offer on connecting rod (22) and supply spacer pin (23) male spacing groove (221).

6. The guide frame for the pile foundation steel casing according to claim 5, wherein: a fixing block (231) is fixedly arranged at one end, far away from the connecting groove (211), of the limiting pin (23), and a spring (232) used for driving the limiting pin (23) to move towards the direction close to the connecting groove (211) is sleeved on the limiting pin (23); one end of the spring (232) is fixedly connected with the connecting block (21), and the other end of the spring is fixedly connected with the fixing block (231).

7. The guide frame for the pile foundation steel casing according to claim 5, wherein: the bottom of the connecting block (21) is vertically and fixedly provided with an inserting rod (6) used for being inserted into the ground.

8. The guide frame for the pile foundation steel casing according to claim 1, wherein: the first arc-shaped plate (3) is fixedly connected with the support rod (11) through a mounting bolt (31).

9. The guide frame for the pile foundation steel casing according to claim 1, wherein: the top of first arc (3) inclines fixedly to be provided with second arc (7), the concave surface of second arc (7) is towards the center of support (1), the convex surface of second arc (7) is close to branch (11) and sets up.