Drilling pile reinforcement cage positioning device

Abstract

The utility model belongs to the field of pile foundation construction, and particularly relates to a drilling pile reinforcement cage positioning device which comprises a main cylinder, a sliding seat and an auxiliary cylinder. The main cylinder is through along the length direction; a sleeve is fixed at the first end of the main cylinder; the sliding base is connected to the main cylinder in a sliding and sleeving mode and locked through a clamping mechanism. Movable rods with the same length are hinged to the two sides of the sliding seat, and supporting pieces are fixed to the free ends of the movable rods; the auxiliary cylinder is nested in the main cylinder, the joint of the auxiliary cylinder and the main cylinder is fixed by a locking piece, and a roller is fixed at the free end of the auxiliary cylinder; the total length of the device is changed by adjusting the extending length of the auxiliary cylinder in the main cylinder, when the device is used, a plurality of devices are installed on a main reinforcement of the reinforcement cage, the total length of the device is adjusted to be the same according to the distance between a protective cylinder and the reinforcement cage, and the purpose of centering the reinforcement cage is achieved; the device is connected with the reinforcement cage in a sleeving and abutting mode, and is simple in structure and convenient to assemble and disassemble.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pile foundation construction technical field, concretely relates to a bored pile reinforcement cage positioning device. BACKGROUND

[0002] Steel reinforcement cage is arranged in the bored pile, and the steel reinforcement cage plays a role of resisting tension and plays a role of restraining the pile body concrete, so that the bored pile can bear certain axial tension. The steel reinforcement cage should be ensured to be accurately in the center of the drilling hole during the drilling of the steel reinforcement cage, and the deviation of the steel reinforcement cage can affect the bearing capacity of the pile foundation and the safety of the overall structure. At present, there are various forms of steel reinforcement cage positioning devices, but most of these devices have complex installation structures of the casing or the steel reinforcement cage, and are inconvenient to disassemble and assemble the positioning device on site.

[0003] Therefore, it is necessary to provide an improved technical scheme for the above-mentioned deficiencies of the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model discloses a bored pile reinforcement cage positioning device which is convenient to disassemble and assemble on the steel reinforcement cage.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A bored pile reinforcement cage positioning device comprises:

[0007] A main cylinder is through along its length direction, and a sleeve is fixed on the first end of the main cylinder and can be sleeved on the main reinforcement;

[0008] A sliding seat is sleeved on the main cylinder and is positioned on the main cylinder through a clamping mechanism, two sides of the sliding seat are hingedly connected with dynamic rods of the same length, and the free end of the dynamic rod is fixed with a supporting piece;

[0009] A sub-cylinder is nested in the main cylinder, the connection between the sub-cylinder and the main cylinder is fixed with a locking piece, and the free end of the sub-cylinder is fixed with a roller.

[0010] Further, the clamping mechanism comprises side tooth grooves arranged on both sides of the main cylinder, small shafts rotatably arranged on both sides of the sliding seat, clamping plates fixed in the middle of the small shafts, extension rods fixed at the lower end of the small shafts and elastic pieces connected between the two extension rods; the clamping plates are approximately in the same direction as the extension rods; when the sliding seat is fixed, the end of the clamping plate is clamped in the side tooth groove.

[0011] Further, the clamping mechanism further comprises a push block fixed at the top end of the small shaft, and one end of the push block extends along the radial direction of the small shaft.

[0012] Further, the clamping mechanism further comprises a locking bolt threadedly connected to the sliding seat, and the lower end of the locking bolt is abutting against the main cylinder.

[0013] Further, the locking bolt is arranged on the upper side of the main cylinder, and the upper surface of the main cylinder is provided with a through hole having a clamping groove matching the diameter of the locking bolt, and the locking bolt passes through the clamping groove when locked.

[0014] Further, the surface of the auxiliary cylinder is provided with scale marks.

[0015] Further, the locking member comprises a first locking member threadedly connected to one side of the main cylinder, and the first locking member is abutting against the auxiliary cylinder when the auxiliary cylinder is fixed.

[0016] Further, the locking member comprises a second locking member threadedly connected to one side of the main cylinder, and the second locking member is abutting against the auxiliary cylinder when the auxiliary cylinder is fixed, and the second locking member is located on the same side or the opposite side of the first locking member.

[0017] Further, one side of the auxiliary cylinder is provided with a plurality of side positioning holes corresponding to the second locking member.

[0018] Further, the bottom ends of the main cylinder and the two supporting pieces have the same height.

[0019] The beneficial effects of the present application are as follows:

[0020] The present application adjusts the total length of the device by adjusting the extension length of the auxiliary cylinder in the main cylinder, and in use, a plurality of the device is installed on the main reinforcement of the reinforcement cage, and the total length of the device is adjusted to be the same according to the distance between the protective cylinder and the reinforcement cage, so as to achieve the purpose of centering the reinforcement cage.

[0021] The present application is connected with the reinforcement cage in a sleeving and abutting manner, and has the advantages of simple structure, convenient installation and removal, and the like. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings accompanying the specification of the present application form a part thereof, serve to provide further understanding of the present application, and together with the specification explain the present application. The present application is shown by the specific embodiments thereof, and the description thereof serves to explain the present application, and does not constitute an improper limitation on the present application. Among them:

[0023] Figure 1 The present application is shown by the specific embodiments thereof, and the description thereof serves to explain the present application, and does not constitute an improper limitation on the present application. Among them:

[0023] Figure 1 The present application is shown by the specific embodiments thereof, and the description thereof serves to explain the present application, and does not constitute an improper limitation on the present application. Among them:

[0024] Figure 2 It is a structure schematic view of the embodiment of the utility model.

[0025] Figure 3 It is a structure schematic view of another view of the embodiment of the utility model.

[0026] Figure 4 It is a structure schematic view of the embodiment of the utility model.

[0027] Figure 5 It is a position schematic view of the embodiment of the utility model when the clamping plate is locked.

[0028] Figure 6 It is a position schematic view of the embodiment of the utility model when the clamping plate is unlocked.

[0029] In the drawing: 1-main cylinder, 11-side tooth slot, 12-link hole, 13-first locking piece, 14-second locking piece, 2-secondary cylinder, 21-scale mark, 22-side positioning hole, 3-sliding seat, 31-seat ear, 32-moving rod, 33-sleeve, 34-supporting sheet, 35-locking bolt, 36-small shaft, 37-pushing block, 38-rod, 39-clamping plate, 4-roller, 5-elastic piece. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art belong to the scope of protection of the utility model.

[0031] In the description of the utility model, the orientation or position relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" and the like is the orientation or position relationship shown in the drawing, which is only for the convenience of describing the utility model and does not require the utility model to be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. The terms "connected", "connected" used in the utility model should be understood broadly, for example, it can be fixed connection, can also be detachable connection; can be directly connected, can also be indirectly connected through intermediate parts, for the person skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0032] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0033] AsFigures 1 to 6 The utility model provides a kind of bored pile reinforcement cage positioning device, comprising: main cylinder 1, sliding seat 3 and auxiliary cylinder 2;

[0034] The main cylinder 1 is through along its length direction;The first end of the main cylinder 1 is fixed with sleeve 33 that can be sleeved on main reinforcement;

[0035] The sliding seat 3 is sleeved on the main cylinder 1, and the sliding seat 3 is positioned on the main cylinder 1 by clamping mechanism;The position of the two sides of the sliding seat 3 close to the first end of the main cylinder 1 is provided with seat lug 31, and the seat lug 31 is hinged with movable rod 32, the length of the movable rod 32 on the two sides of the sliding seat 3 is same, and the free end of the movable rod 32 is fixed with support sheet 34;

[0036] The auxiliary cylinder 2 is nested in the main cylinder 1, and the connection of the auxiliary cylinder 2 and the main cylinder 1 is fixed with locking piece, and the free end of the auxiliary cylinder 2 is fixed with roller 4;Preferably, the surface of the auxiliary cylinder 2 is provided with scale mark 21;

[0037] The sleeve 33 is cylinder with diameter greater than main reinforcement, the support sheet 34 is arc sheet, and the bottom end height of the main cylinder 1 and the two support sheets 34 is same, so that the cylinder and the two support sheets 34 of the device can fall on the same hoop at the same time;

[0038] In use, the main reinforcement at the top of reinforcement cage is put into sleeve 33, the position of sliding seat and support sheet 34 is adjusted and locked, so that the support sheet 34 is positioned on the main reinforcement on the two sides of the middle main reinforcement, then the extension amount of auxiliary cylinder 2 is adjusted and locked according to design requirement, for example, the distance between main reinforcement of reinforcement cage and protection cylinder is 20cm, then scale mark 21 is adjusted to the position corresponding to 20cm;Note that main reinforcement should be equidistantly arranged, and scale mark 21 is set according to the distance from roller 4 to sleeve 33. At least three bored pile reinforcement cage positioning devices are arranged in one circle of reinforcement cage, and the length of all bored pile reinforcement cage positioning devices is adjusted to be same to realize the centering of reinforcement cage;The utility model has simple structure, and is convenient to assemble and disassemble;After the reinforcement cage is completely lowered, sliding seat 3 is unlocked, then the bored pile reinforcement cage positioning device is lifted to make sleeve 33 separate from main reinforcement.

[0039] Further, as Figures 1 to 4As shown, the clamping mechanism comprises side tooth grooves 11 arranged on both sides of the main cylinder 1, small shafts 36 arranged on both sides of the sliding seat 3, clamping plates 39 fixed on the middle part of the small shafts 36, extension rods 38 fixed on the lower end of the small shafts 36, and elastic members 5 connected between the two extension rods 38; the clamping plate 39 adopts a curved sheet or an arch-shaped sheet, the end of which can be clamped in the side tooth groove 11; the elastic member 5 adopts a common strip-shaped elastic material such as a rubber band, a compression spring, a tension spring, etc.; the end of the extension rod 38 is provided with a clamping rope hole, one side of the clamping rope hole has a notch and the notch is provided with a sealing piece, and the sealing piece is opened to allow the elastic member 5 to enter and exit; the clamping plate 39 and the extension rod 38 have approximately the same orientation; when the sliding seat 3 moves, the clamping plate 39 slides in one direction along the side tooth groove 11 under the elastic force of the elastic member 5, and the position of the sliding seat 3 is fixed after the sliding seat 3 stops moving, specifically, the clamping plate 39 is clamped in the tooth groove to fix the position of the sliding seat 3, and the sliding seat 3 can be prevented from sliding backward; when it is necessary to unlock, the clamping plate 39 or the extension rod 38 is bent outward, so that the clamping plate 39 is separated from the side tooth groove 11. Figure 5 , Figure 6 Fig. 3 and Fig. 4 are position schematic diagrams of the clamping plate 39, the extension rod 38 and the elastic member when the sliding seat 3 is locked and unlocked, respectively.

[0040] Further, as shown in Fig. 5, the clamping mechanism further comprises a push block 37 fixed on the top end of the small shaft 36, one end of the push block 37 extends along the radial direction of the small shaft 36; when it is necessary to unlock the sliding seat 3, the two push blocks 37 are directly pushed in the opposite direction, which can more conveniently and quickly unlock the sliding seat 3. Figures 1 to 3 Optionally, as shown in Fig. 6 and Fig. 7, the clamping mechanism further comprises a locking bolt 35 threadedly connected to the sliding seat 3, and the lower end of the locking bolt 35 can abut against the main cylinder 1; the locking bolt 35 serves as a safety device to further fix the sliding seat 3 on the basis of the clamping plate 39.

[0041] Figure 1 On the basis of the previous embodiment, as shown in Fig. 8 and Fig. 9, the locking bolt 35 is arranged on the upper side of the main cylinder 1, the upper surface of the main cylinder 1 is provided with a through hole 12, the through hole 12 extends along the length direction of the main cylinder 1, the through hole 12 has a plurality of clamping recesses with diameters matched with the locking bolt 35, and the clamping recesses have a circular shape extending through the clamping recesses; the locking bolt 35 passes through the clamping recesses when locked, and is positioned under the blocking action of the clamping recesses; when unlocked, the lower end of the locking bolt 35 does not enter the through hole 12. Figure 2 Further, as shown in Fig. 10, the through hole 12 has a plurality of clamping recesses with diameters matched with the locking bolt 35, and the clamping recesses have a circular shape extending through the clamping recesses; the locking bolt 35 passes through the clamping recesses when locked, and is positioned under the blocking action of the clamping recesses; when unlocked, the lower end of the locking bolt 35 does not enter the through hole 12.

[0042] Figure 1 Further, as shown in Fig. 11, the through hole 12 has a plurality of clamping recesses with diameters matched with the locking bolt 35, and the clamping recesses have a circular shape extending through the clamping recesses; the locking bolt 35 passes through the clamping recesses when locked, and is positioned under the blocking action of the clamping recesses; when unlocked, the lower end of the locking bolt 35 does not enter the through hole 12. Figure 2 Further, as shown in Fig. 12, the through hole 12 has a plurality of clamping recesses with diameters matched with the locking bolt 35, and the clamping recesses have a circular shape extending through the clamping recesses; the locking bolt 35 passes through the clamping recesses when locked, and is positioned under the blocking action of the clamping recesses; when unlocked, the lower end of the locking bolt 35 does not enter the through hole 12.

[0043] Figures 1 to 4 ​​​As shown, the locking member includes a first locking member 13 threaded on one side of the main cylinder 1, when the auxiliary cylinder 2 is fixed, the first locking member 13 abuts against the auxiliary cylinder 2; the first locking member 13 can adopt a conventional locking element such as a hand screw bolt or a hexagonal bolt.

[0044] On the basis of the last embodiment, as shown, Figures 1 to 4 As shown, the locking member includes a second locking member 14 threaded on one side of the main cylinder 1, when the auxiliary cylinder 2 is fixed, the second locking member 14 abuts against the auxiliary cylinder 2; the second locking member 14 is located on the same side or the opposite side of the first locking member 13; the first locking member 13 and the second locking member 14 constitute double insurance for locking the auxiliary cylinder 2. Preferably, one side of the auxiliary cylinder 2 is provided with a plurality of side positioning holes 22 corresponding to the second locking member 14, the side positioning holes 22 are designed equidistantly, for example, can be designed to be spaced 1cm, 0.5cm, etc., facilitating quick adjustment of the extension length of the auxiliary cylinder 2 at the designed interval when adjusting the auxiliary cylinder 2.

[0045] The above only is the preferred embodiment of the present application, and does not limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application are within the protection scope of the present application.

Claims

1. A positioning device for a drilled pile reinforcement cage, characterized in that, include: Main tube (1), the main tube (1) extends through its length; the first end of the main tube (1) is fixed with a sleeve (33) that can be sleeved on the main reinforcement; The slide (3) is slidably sleeved on the main cylinder (1) and the slide (3) is positioned on the main cylinder (1) by a locking mechanism; the two sides of the slide (3) are hinged with moving rods (32) of the same length, and the free end of the moving rod (32) is fixed with a support plate (34); A secondary cylinder (2) is nested inside the main cylinder (1). The connection between the secondary cylinder (2) and the main cylinder (1) is fixed with a locking member. A roller (4) is fixed to the free end of the secondary cylinder (2).

2. The drilling pile reinforcement cage positioning device according to claim 1, characterized in that: The locking mechanism includes side toothed grooves (11) on both sides of the main cylinder (1), small shafts (36) rotatably disposed on both sides of the slide (3), a locking plate (39) fixed in the middle of the small shaft (36), a rod (38) fixed at the lower end of the small shaft (36), and an elastic member (5) connecting the two rods (38); the locking plate (39) and the rod (38) are oriented approximately the same; when the slide (3) is fixed, the end of the locking plate (39) is locked in the side toothed groove (11).

3. The drilling pile reinforcement cage positioning device according to claim 2, characterized in that: The locking mechanism also includes a lever (37) fixed to the top of the small shaft (36), one end of which extends radially along the small shaft (36).

4. The drilling pile reinforcement cage positioning device according to claim 1, characterized in that: The locking mechanism also includes a locking bolt (35) threaded onto the slide (3), the lower end of which can abut against the main cylinder (1).

5. The drilling pile reinforcement cage positioning device according to claim 4, characterized in that: The locking bolt (35) is located on the upper side of the main cylinder (1). The upper surface of the main cylinder (1) is provided with a connecting hole (12). The connecting hole (12) has a locking groove that matches the diameter of the locking bolt (35). When the locking bolt (35) is locked, it passes through the locking groove.

6. The drilling pile reinforcement cage positioning device according to claim 1, characterized in that: The surface of the secondary cylinder (2) is provided with scale markings (21).

7. The drilling pile reinforcement cage positioning device according to claim 1, characterized in that: The locking component includes a first locking component (13) threadedly connected to one side of the main cylinder (1). When the secondary cylinder (2) is fixed, the first locking component (13) abuts against the secondary cylinder (2).

8. The drilling pile reinforcement cage positioning device according to claim 7, characterized in that: The locking element includes a second locking element (14) threadedly connected to one side of the main cylinder (1). When the auxiliary cylinder (2) is fixed, the second locking element (14) abuts against the auxiliary cylinder (2). The second locking element (14) is located on the same side or opposite side of the first locking element (13).

9. The drilling pile reinforcement cage positioning device according to claim 8, characterized in that: The auxiliary cylinder (2) has a plurality of side positioning holes (22) on one side corresponding to the second locking member (14).

10. The drilling pile reinforcement cage positioning device according to claim 1, characterized in that: The bottom ends of the main cylinder (1) and the two support plates (34) are at the same height.

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