CN211340758U - Prefabricated square pile toe - Google Patents

Abstract

The utility model belongs to the technical field of building engineering construction, in particular to a prefabricated square pile tip, one side of the pile tip is fixedly connected with a connecting plate, one side of the connecting plate, which is far away from the pile tip, is fixedly connected with two installation blocks, the two installation blocks are symmetrically distributed, the inner sides of the two installation blocks are rotatably connected with a rotating pin, and the two rotating pins are fixedly connected with a clamping plate; when installing between connecting plate and the pile body to pile point one side, insert the inside of pile body with two cardboards, enter into the extrusion that two spacing bolts receive the pile body inner wall in the pile body back, make the elastic deformation of spring drive two cardboard positions and be close to, reach the position back in first constant head tank until spacing bolt, the spring kick-backs and drives spacing bolt and pass among the first constant head tank, the completion is spacing between connecting plate and the pile body, and the second constant head tank that spacing back pile body and connecting plate were seted up is in alignment and anastomotic state.

Description

Prefabricated square pile toe

Technical Field

The utility model belongs to the technical field of the building engineering construction, concretely relates to prefabricated square pile stake point.

Background

The pile toe generally refers to the pile toe of prestressed pipe pile for prestressed concrete tubular pile foundation construction, is used for the foremost end of tubular pile, installs on the tubular pile head when the tubular pile sinks to be under construction, plays guide and shutoff effect, and present square pile toe is two kinds of mounting means usually when installing, and one kind is the welding, and another kind is that the tip plate connecting piece that is used for connecting the pile toe is preassembled to the tip of square pile and is connected, compares in the welded mode more convenient and the cost is lower.

At present when installing and connecting square pile tip and stake point end plate at the job site, generally need two workman cooperative operation, a workman holds up the stake point with the hand, make the square pile and the stake point meet the department and align, and the square pile coincide with the mounting hole of stake point, then squeeze into the screw through instruments such as electric drill in with the mounting hole after coinciding and fix, this kind of operating means needs two workmans to mutually support, and the workman of lifting the stake point also can occupy the operating space of the workman that carries out the fastening, the gravity of stake point itself is heavier, the workman very consumes physical power when dragging it and aligning with the square pile, thereby the operation degree of difficulty when having increaseed the installation, make work efficiency step-down.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a prefabricated square pile stake point has the characteristics of being convenient for install.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prefabricated square pile stake point, includes the stake point of can dismantling the connection with the pile body, stake point one side fixedly connected with connecting plate, the connecting plate is kept away from two installation pieces of one side fixedly connected with of stake point, two the installation piece is the symmetric distribution, two the installation piece inboard all rotates and is connected with the rotating pin, two the equal fixedly connected with cardboard of rotating pin, cardboard sliding connection in inside the pile body, two the cardboard is close to the equal fixedly connected with spacing bolt in one side of pile body inner wall, the pile body has been seted up two first locating grooves, two spacing bolt runs through two respectively first locating groove, two spacing bolt is kept away from the equal spiro union of one end of cardboard is fixed with fastening portion, the pile body with the connecting plate spiro union is fixed.

Preferably, one end of each of the two limiting bolts, which is far away from the clamping plate, is fixedly connected with a wedge block.

Preferably, a spring is fixedly connected between the two clamping plates.

Preferably, the pile body and the connecting plate are both provided with four second positioning grooves distributed annularly, and the pile body and the connecting plate are screwed in the second positioning grooves to be fixed through fixing bolts.

Preferably, the fastening portion is a nut.

Preferably, two ends of the rotating pin respectively penetrate through the two mounting blocks.

Compared with the prior art, the beneficial effects of the utility model are that: when installing between the connecting plate to pile point one side and the pile body, insert the inside of pile body with two cardboard, enter into the pile body in back two spacing bolts receive the extrusion of pile body inner wall, make the elastic deformation of spring drive two cardboard positions and be close to, until spacing bolt reachs the position back in first constant head tank, the spring kick-backs and drives spacing bolt and pass among the first constant head tank, accomplish spacing between connecting plate and the pile body, and the second constant head tank that spacing back pile body and connecting plate were seted up is in alignment and anastomotic state, only need single workman squeeze into the second constant head tank with fixing bolt through the electric drill and accomplish fixedly, workman's intensity of labour has been alleviateed, it is more convenient to operate, the work efficiency of installation work has been improved, and need not two workman cooperation operations, installation cost is reduced.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a side sectional view of the present invention.

In the figure: 1. a pile tip; 2. a pile body; 201. a second positioning groove; 202. fixing the bolt; 21. a first positioning groove; 3. a connecting plate; 4. mounting blocks; 41. a rotation pin; 42. clamping a plate; 421. a wedge block; 422. a limit bolt; 423. a fastening section; 43. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a prefabricated square pile stake point, include the stake point 1 of can dismantling the connection with the pile body 2, 1 one side fixedly connected with connecting plate 3 of stake point, two installation pieces 4 of one side fixedly connected with of stake point 1 are kept away from to connecting plate 3, two installation pieces 4 are the symmetric distribution, two 4 inboard equal rotations of installation piece are connected with swivel pin 41, two equal fixedly connected with cardboard 42 of swivel pin 41, cardboard 42 sliding connection is inside the pile body 2, two equal fixedly connected with spacing bolt 422 in one side that cardboard 42 is close to 2 inner walls of pile body, two first locating slot 21 have been seted up to the pile body 2, two spacing bolt 422 run through two first locating slot 21 respectively, two equal spiro union of one end that spacing bolt 422 kept away from cardboard 42 are fixed with fastening portion 423, pile body 2 is fixed with 3 spiro unions of connecting plate.

In this embodiment: when the connection plate 3 and the pile body 2 at one side of the pile tip 1 are installed, a person directly pushes the two clamping plates 42 at one side of the connection plate 3 into the pile body 2 through the guide of the wedge 421, after the two clamping plates 42 enter the pile body 2, the limiting bolt 422 contacts the inner wall of the pile body 2 and is extruded by the inner wall of the pile body 2, the spring 43 at the bottom of the two clamping plates 42 is elastically deformed by extrusion force, the deformed spring 43 drives the two clamping plates 42 to rotate through the rotating pins 41 rotating in the two mounting blocks 4 (the two mounting blocks 4 are both provided with a groove, two ends of the rotating pin 41 rotate in the grooves formed by the two mounting blocks 4), the positions of the two clamping plates 42 are close to each other, the pushing of the clamping plates 42 cannot be influenced, until the limiting bolt 422 is pushed by the person hand to reach the position of the first positioning groove 21, the limiting bolt 422 no longer contacts the inner wall of the pile body 2, the two clamping plates 42 are rebounded by the extruded spring 43, the two clamping plates 42 are pushed by the resilience force of the spring 43, the clamping plates 42 are rotated to the original position through the rotating pins 41 which rotate in the mounting blocks 4, the clamping plates 42 drive the limiting bolts 422 to pass through the first positioning grooves 21, the limiting bolts 422 enter the two first positioning grooves 21 to limit the clamping plates 42, the connecting plate 3 and the pile body 2 are stable, the pile body 2 and the second positioning grooves 201 formed in the connecting plate 3 are aligned and matched after the limiting, at the moment, only a single worker needs to drive the fixing bolts 202 penetrating through the second positioning grooves 201 formed in the connecting plate 3 into the second positioning grooves 201 formed in the pile body 2 through an electric drill, the pile body 2 and the connecting plate 3 are fixed in a threaded manner, the installation of the pile tip 1 is completed, the scheme does not need to be operated by two workers in a matched manner, the operation is more convenient and the labor intensity of the workers is reduced, the working efficiency of installation work is improved, and the installation cost is reduced.

In the first drawing: two ends of the rotating pin 41 respectively penetrate through the two mounting blocks 4, one ends of the two limiting bolts 422 far away from the clamping plates 42 are fixedly connected with wedge blocks 421, a spring 43 is fixedly connected between the two clamping plates 42, and the fastening parts 423 are nuts; wedge 421 serves as a guide for limit bolt 422 when initially pushing clamping plate 42 into pile body 2, and the contact surface between the limiting bolt 422 and the inner wall of the pile body 2 is reduced, the friction between the limiting bolt 422 and the pile body 2 when the clamping plate 42 is pushed by hands into the pile body 2 is reduced, the labor is saved during pushing, and the distance between the two clamping plates 42 is reduced when the two wedges 421 contact the inner wall of the pile body 2 through the elasticity of the spring 43, at the same time, the distance between two wedges 421 is reduced, so that when the clamping plate 42 is pushed by human hand to move, the wedges 421 are not blocked by the pile body 2, after spacing bolt 422 gets into first constant head tank 21, twist with fastening portion 423 through spanner and spacing bolt 422 again and connect until fastening portion 423 contacts the outer wall of pile body 2, accomplish the fastening, accomplish spacing to connecting plate 3, make stably can not rock between connecting plate 3 and the pile body 2.

In fig. two and fig. three: the pile body 2 and the connecting plate 3 are both provided with four second positioning grooves 201 which are distributed annularly, and the pile body 2 and the connecting plate 3 are screwed into the fixing bolt 202 through the second positioning grooves 201 to complete the screw connection and fixation; after spacing between connecting plate 3 and pile body 2 is accomplished, only need the workman through the electric drill, run through the second constant head tank 201 that connecting plate 3 was seted up with fixing bolt 202, squeeze into in the second constant head tank 201 that pile body 2 was seted up and fix connecting plate 3 spiro union, accomplish the installation to pile tip 1.

The utility model discloses a theory of operation and use flow: when the fixing installation is carried out between the connecting plate 3 and the pile body 2 at one side of the pile tip 1, a person firstly pushes the two clamping plates 42 at one side of the connecting plate 3 into the pile body 2 through the guide of the wedge 421 by hand, after the two clamping plates 42 enter the pile body 2, the limiting bolt 422 can contact with the inner wall of the pile body 2 and is extruded by the inner wall of the pile body 2, the spring 43 at the bottom of the two clamping plates 42 is elastically deformed by extrusion force, the deformed spring 43 drives the two clamping plates 42 to rotate through the rotating pin 41 rotating in the two mounting blocks 4, so that the positions of the two clamping plates 42 are close to each other, the pushing of the clamping plates 42 cannot be influenced, until the limiting bolt 422 is pushed by the hand to reach the position of the first positioning groove 21, the limiting bolt 422 is not contacted with the inner wall of the pile body 2 any more, the two clamping plates 42 are rebounded by the extruded spring 43, and the two clamping plates 42 are, make cardboard 42 revolve to the normal position through the rotating pin 41 of the 4 internal rotations of installation piece, cardboard 42 drives spacing bolt 422 and passes among first constant head tank 21, it is spacing to get into two spacing bolts 422 in the first constant head tank 21, it is stable between messenger connecting plate 3 and the pile body 2, and spacing back pile body 2 is in alignment and anastomotic state with the second constant head tank 201 that connecting plate 3 was seted up, only need single workman to penetrate the second constant head tank 201 that fixing bolt 202 seted up through connecting plate 3 into the second constant head tank 201 that pile body 2 was seted up through the electric drill this moment, it is fixed to make pile body 2 and connecting plate 3 spiro union, accomplish the installation to pile tip 1, this scheme need not two workman cooperation operations, it is more convenient to operate, and lightened workman's intensity of labour, the work efficiency of installation work is improved, the installation cost is reduced.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a prefabricated square pile stake point, includes stake point (1) of being connected with pile body (2) can be dismantled, its characterized in that: one side of the pile tip (1) is fixedly connected with a connecting plate (3), one side of the connecting plate (3) far away from the pile tip (1) is fixedly connected with two installation blocks (4), the two installation blocks (4) are symmetrically distributed, the inner sides of the two installation blocks (4) are rotatably connected with rotating pins (41), the two rotating pins (41) are fixedly connected with clamping plates (42), the clamping plates (42) are slidably connected inside the pile body (2), one sides of the two clamping plates (42) close to the inner wall of the pile body (2) are fixedly connected with limiting bolts (422), the pile body (2) is provided with two first positioning grooves (21), the two limiting bolts (422) respectively penetrate through the two first positioning grooves (21), and one ends of the two limiting bolts (422) far away from the clamping plates (42) are fixedly connected with fastening parts (423) in a threaded manner, the pile body (2) is fixed with the connecting plate (3) in a threaded manner.

2. The prefabricated square pile toe of claim 1, wherein: one ends, far away from the clamping plate (42), of the two limiting bolts (422) are fixedly connected with wedge blocks (421).

3. The prefabricated square pile toe of claim 1, wherein: a spring (43) is fixedly connected between the two clamping plates (42).

4. The prefabricated square pile toe of claim 1, wherein: the pile body (2) and the connecting plate (3) are provided with four second positioning grooves (201) which are distributed annularly, and the pile body (2) and the connecting plate (3) are screwed into a fixing bolt (202) through the second positioning grooves (201) to complete screwing and fixing.

5. The prefabricated square pile toe of claim 1, wherein: the fastening part (423) is a nut.

6. The prefabricated square pile toe of claim 1, wherein: two ends of the rotating pin (41) penetrate through the two mounting blocks (4) respectively.

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