CN218622197U

CN218622197U - Concrete pipe pile resistance to plucking connecting device

Info

Publication number: CN218622197U
Application number: CN202223169845.2U
Authority: CN
Inventors: 郑桂英; 徐云英
Original assignee: Cangnan Xuankai Hardware Co ltd
Current assignee: Cangnan Xuankai Hardware Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-14
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a concrete pipe pile resistance to plucking connecting device, include: one end of the connecting piece is set as a connecting part, a plurality of annular outer teeth are arranged on the outer wall of the connecting part at intervals along the axial direction of the connecting part, each annular outer tooth comprises an abutting layer arranged on an upper layer and a guide layer arranged on a lower layer, the cross section of each abutting layer is square, and the cross section of each guide layer is triangular; the anti-pulling sleeve comprises a shell, wherein the anti-pulling sleeve and an elastic limiting sleeve are arranged inside the shell, the anti-pulling sleeve comprises a plurality of fan-shaped blocks and a plurality of buckles, the fan-shaped blocks are enclosed to form an anti-pulling channel communicated with the outer side of the shell, a plurality of annular tooth grooves matched with the annular outer teeth are formed in the anti-pulling channel, a plurality of clamping portions are arranged on the outer walls of the fan-shaped blocks, the buckles are sleeved in the clamping portions, and the limiting sleeve is sleeved between the anti-pulling sleeve and the shell. The overall anti-pulling effect of the mechanical joint can be improved.

Description

Concrete pipe pile resistance to plucking connecting device

Technical Field

The utility model relates to a tubular pile connecting device field specifically indicates a concrete pipe pile resistance to plucking connecting device.

Background

The tubular pile is a hollow cylinder body slender concrete prefabricated component, mainly includes cylindrical pile body, end plate, etc., it can be used for transferring the weight of upper building to the soil layer with high bearing capacity of lower floor, and can raise the stability of building, and can squeeze the soft soil layer tightly, so that it can raise the bearing capacity of foundation soil, and can greatly reduce cost of foundation, and its strength is enough, so that it can be extensively used in the engineering foundation fields of railway, highway and bridge, harbor, wharf, water conservancy, municipal works, building and large-scale equipment, etc..

At present, the pipe pile is mainly connected by arranging a connecting device on a pipe pile end plate, for example, a Chinese patent application with the name of a pulling-resistant connecting piece and the application number of 202120037303.6, wherein the pulling-resistant limiting is carried out on a prefabricated part joint through the matching of a sleeve with one-way pulling-resistant teeth on the inner wall, a star-shaped transition piece and a tray; also, for example, in the chinese patent application No. 202122063648.1, which is entitled as an end plate mechanical quick connection box for a prestressed concrete uplift pipe pile, the screw rod is limited horizontally and vertically by a rectangular plate with threads and a spring.

It is thus clear that current connecting device mainly comes to resist the pulling-out spacing to the connecting piece through setting up screw thread or one-way anti-pulling tooth, but the cross section of current one-way anti-pulling tooth generally establishes to the triangle-shaped structure, sets up like this and makes one-way anti-pulling tooth easily receive the damage in the use and cause fracture deformation etc. simultaneously, has reduced the frictional force between connecting piece and the connecting device greatly for the connecting piece only carries on spacingly through the meshing of one-way anti-pulling tooth, has reduced the resistance to pulling effect.

The problem design a concrete pipe pile resistance to plucking connecting device that exists to above-mentioned prior art is the utility model discloses the purpose of research.

SUMMERY OF THE UTILITY MODEL

Problem to above-mentioned prior art exists, the utility model provides a concrete pipe pile resistance to plucking connecting device can effectively solve the problem that above-mentioned prior art exists.

The technical scheme of the utility model is that:

a concrete pipe pile uplift connection device, comprising:

one end of the connecting piece is set as a connecting part, a plurality of annular outer teeth are arranged on the outer wall of the connecting part at intervals along the axial direction of the connecting part, each annular outer tooth comprises an abutting layer arranged on an upper layer and a guide layer arranged on a lower layer, the cross section of each abutting layer is square, and the cross section of each guide layer is triangular;

the casing, inside anti-pulling sleeve and elastic spacing sleeve of being equipped with, anti-pulling sleeve's upper and lower both ends respectively with the inner wall looks butt of casing, anti-pulling sleeve includes a plurality of sectorial blocks and buckle, and is a plurality of the sectorial block encloses to close the anti-pulling passageway that forms and be linked together outside the casing, set up in the anti-pulling passageway with a plurality of annular tooth's socket of annular outer tooth looks adaptation, and is a plurality of the outer wall middle part of sectorial block is the sunken joint portion that forms of annular, buckle lock cover is located in the joint portion, spacing sleeve cover is located between anti-pulling sleeve and the casing, connecting portion squeeze into behind the anti-pulling passageway, a plurality of the sectorial block is in spacing sleeve's spring action with the lock effect of buckle is down the cohesion and is located on the outer wall of connecting portion, connecting portion are through a plurality of the spacing setting of joint cooperation of annular outer tooth and annular tooth's socket.

Further, the thickness D1 of the abutting layer is set to be 0.5mm-1.5mm, the thickness D2 of the guide layer is set to be 1.5mm-2.5mm, and the inclination angle A of the guide layer is set to be 40-50 degrees.

Further, the distance D3 between a plurality of annular outer teeth is set to be 1.5mm-2.5mm.

Furthermore, the two ends of the buckle are respectively provided with a convex strip part and a concave groove part matched with the convex strip part, and after the buckle is buckled and sleeved in the clamping part, the convex strip part is buckled in the concave groove part and is in clearance fit with the concave groove part.

Further, still include first end plate and second end plate, the other end of connecting piece is established to the installation department, the installation department with the setting can be dismantled to first end plate, the casing with the setting can be dismantled to the second end plate.

Further, the top surface middle part of casing is opened and upwards extends and forms the connecting cylinder, the outer wall of connecting cylinder with the cooperation of second end plate through threaded connection.

Accordingly, the present invention provides the following effects and/or advantages:

the utility model provides a pair of concrete pipe pile resistance to plucking connecting device, include: one end of the connecting piece is provided with a connecting part, the outer wall of the connecting part is provided with a plurality of annular outer teeth which are arranged at intervals along the axial direction of the connecting part, each annular outer tooth comprises an abutting layer arranged on the upper layer and a guide layer arranged on the lower layer, the cross section of the abutting layer is square, and the cross section of the guide layer is triangular; the casing, inside anti-pulling sleeve and elastic spacing sleeve of being equipped with, anti-pulling sleeve includes a plurality of sectorial blocks and buckle, and a plurality of sectorial blocks enclose to close the anti-pulling passageway that forms and be linked together outside the casing, have seted up in the anti-pulling passageway with a plurality of annular tooth's socket of a plurality of annular outer teeth looks adaptations, and joint portion has been seted up to the outer wall of a plurality of sectorial blocks, and in buckle joint cover located joint portion, spacing sleeve cover was located between anti-pulling sleeve and the casing. The setting of above-mentioned structure, make connecting portion squeeze into behind the resistance to plucking passageway, a plurality of segments are on the outer wall that connecting portion were located to the cohesion pressure under the spring action of spacing sleeve and the lock effect of buckle, connecting portion are through the spacing setting of joint cooperation of a plurality of annular outer teeth and annular tooth's socket, thereby realize first end plate of high-speed joint and second end plate, and then realize the high-speed joint between the tubular pile, the setting on butt layer can avoid the guide layer impaired fracture deformation etc. that causes in the use, the stability of guide layer has been improved, thereby prolong the life of a plurality of annular outer teeth, and simultaneously, the area of contact between a plurality of annular outer teeth and the annular tooth's socket has been increaseed in the setting on butt layer, thereby strengthen the longitudinal friction between the two, and then improve the holistic resistance to plucking effect of mechanical joint.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

Fig. 1 is the utility model provides an explosion schematic diagram when concrete pipe pile resistance to plucking connecting device installs.

Fig. 2 is the utility model provides a pair of concrete pipe pile resistance to plucking connecting device's explosion structure schematic diagram.

Fig. 3 is a schematic view of a cross-sectional explosion structure of the connecting member and the anti-pulling sleeve provided by the present invention.

Fig. 4 is the utility model provides a pair of concrete pipe pile resistance to plucking connecting device installs the sectional structure schematic diagram after accomplishing.

Detailed Description

To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail with reference to the following examples:

referring to fig. 1-4, a concrete pipe pile resistance to plucking connecting device for connect the first end plate 51 of first tubular pile 5 and the second end plate 61 of second tubular pile 6, refer to fig. 1, through a plurality of groups between first end plate 51 and the second end plate 61 the utility model provides a connecting device connects, include:

one end of the connecting piece 1 is provided with a connecting part 11, a plurality of annular outer teeth 12 which are arranged at intervals along the axial direction of the connecting part 11 are arranged on the outer wall of the connecting part 11, each annular outer tooth 12 comprises an abutting layer 121 arranged on the upper layer and a guide layer 122 arranged on the lower layer, the cross section of the abutting layer 121 is square, and the cross section of the guide layer 122 is triangular;

casing 2, specifically, 41 accessible welding of casing, cement are pour mode such as pre-buried and are supported and locate between first tubular pile 1 and the first end plate 11, the inside of casing 2 is equipped with resistance to plucking sleeve 3 and elastic limit sleeve 4, in this embodiment, limit sleeve 4 establishes to the polyurethane rubber ring, and it is rich in the elastic force, has the effect of shock attenuation, buffering, in other embodiments, limit sleeve 4 also can establish to be rich in elasticity of other types and have the material of shock attenuation buffering effect, does not specifically prescribe a limit to here, resistance to plucking sleeve 3's upper and lower both ends respectively with the inner wall looks butt of casing 2, resistance to plucking sleeve 3 includes a plurality of fan-shaped blocks 31 and buckle 32, and is a plurality of fan-shaped block 31 encloses to close the resistance to plucking passageway 311 that forms and casing 2 outside and is linked together, set up with a plurality of annular external tooth's groove 312 of 12 looks adaptation in resistance to plucking passageway 311, a plurality of the outer wall middle part of fan-shaped block 31 is the sunken joint portion 313 that forms of annular, buckle 32 lock cover is located in joint portion 313, through a plurality of fan-shaped block 31 and buckle 32 cooperation, can make resistance to plucking 12 the outer tooth's groove's 12 looks adaptation of outer wall connection portion 11 outer diameter of connection portion 11, the connection portion of limit sleeve 11 is connected between the outer wall 11 the connection portion 11, the quick connection sleeve 11 is connected between the outer wall of ring-shaped block 11, the connection portion of buckle 11 is connected joint portion.

The setting of above-mentioned structure, make connecting portion 11 squeeze into behind resistance to plucking passageway 311, a plurality of segments 31 are held in the same place under the spring action of spacing sleeve 4 and buckle 32's the lock effect and are pressed and locate on connecting portion 11's outer wall, connecting portion 11 is through the spacing setting of a plurality of annular external teeth 12 and the joint cooperation of annular tooth's socket 312, thereby realize first end plate 51 of high-speed joint and second end plate 61, and then realize the high-speed joint between first tubular pile 5 and the second tubular pile 6, the setting of butt layer 121 can avoid guide layer 122 impaired fracture deformation etc. that causes in the use, the stability of guide layer 122 has been improved, thereby prolong the life of a plurality of annular external teeth 12, and simultaneously, the setting of butt layer 121 has increaseed the area of contact between a plurality of annular external teeth 12 and the annular tooth's socket 312, thereby strengthen the longitudinal friction between the two, and then improve the holistic resistance to plucking effect of mechanical joint.

Further, the thickness D1 of the abutting layer 121 is set to be 0.5mm to 1.5mm, the thickness D2 of the guiding layer 122 is set to be 1.5mm to 2.5mm, and the inclination angle a of the guiding layer 122 is set to be 40 ° to 50 °. Preferably, in this embodiment, the thickness D1 of the abutment layer 121 is set to 1mm, the thickness D2 of the guide layer 122 is set to 2mm, and the inclination angle a of the guide layer 122 is set to 45 °. While realizing the quick connection, the contact area between the plurality of annular outer teeth 12 and the annular tooth grooves 312 is enlarged, so that the friction force between the plurality of annular outer teeth 12 and the anti-pulling channel 311 is improved, and the overall anti-pulling effect of the mechanical joint is improved; in other embodiments, the thickness D1 of the abutting layer 121, the thickness D2 of the guiding layer 122 and the inclination angle a of the guiding layer 122 can be adaptively adjusted according to specific situations.

Further, the distance D3 between a plurality of the annular outer teeth 12 is set to 1.5mm to 2.5mm. Preferably, in this embodiment, the distance D3 between a plurality of the annular outer teeth 12 is set to be 2mm, and the contact area between the connecting portion 11 and the anti-pulling channel 311 is increased, so as to increase the friction force between the connecting member 1 and the anti-pulling channel 311, thereby improving the anti-pulling effect of the whole mechanical joint; in other embodiments, the distance D3 between several of the ring-shaped outer teeth 12 can be adjusted adaptively according to specific situations.

Furthermore, the two ends of the buckle 32 are respectively provided with a convex strip portion 321 and a concave portion 322 adapted to the convex strip portion 321, and after the buckle 32 is buckled and sleeved in the buckling portion 313, the convex strip portion 321 is buckled in the concave portion 322 and is in clearance fit with the concave portion 322. During installation, the convex strip portions 321 and the groove portions 322 are opened, the buckles 32 are opened, and the buckles 32 are buckled and sleeved in the clamping portions 313, so that the anti-pulling sleeve 3 is quickly assembled and adjusted.

Further, the other end of connecting piece 1 is established to installation department 13, installation department 13 with the setting can be dismantled to first end plate 51, specifically, installation department 13 with the setting can be dismantled to the current connected mode of accessible between first end plate 51, for example threaded connection, joint etc. do not specifically limit here, casing 2 with the setting can be dismantled to second end plate 61, specifically, casing 2 with the setting can be dismantled to the current connected mode of second end plate 61 accessible, for example threaded connection, joint etc. do not specifically limit here.

In order to prevent that the concrete in the casing 2 outside from getting into casing 2, lead to leaking the top surface opening that the thick liquid plugged up casing 2, improve the product yield, the top surface middle part opening of casing 2 upwards extends and forms connecting cylinder 21, the outer wall of connecting cylinder 21 with second end plate 61 passes through the threaded connection cooperation to in opening to the second end plate 61 of raising casing 2, avoid pouring the concrete entering casing 2 of second tubular pile 6 in, thereby make casing 2 can realize the effect of preventing leaking the thick liquid.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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

1. The utility model provides a concrete pipe pile resistance to plucking connecting device which characterized in that includes:

the connecting piece (1) is provided with a connecting part (11) at one end, a plurality of annular outer teeth (12) which are arranged at intervals along the axial direction of the connecting part are arranged on the outer wall of the connecting part (11), the annular outer teeth (12) comprise a butting layer (121) arranged on the upper layer and a guide layer (122) arranged on the lower layer, the cross section of the butting layer (121) is square, and the cross section of the guide layer (122) is triangular;

casing (2), inside be equipped with resistance to plucking sleeve (3) and elastic spacing sleeve (4), the upper and lower both ends of resistance to plucking sleeve (3) respectively with the inner wall looks butt of casing (2), resistance to plucking sleeve (3) include a plurality of sectorial blocks (31) and buckle (32), and are a plurality of the sectorial block (31) enclose to close form resistance to plucking passageway (311) that is linked together with casing (2) outside, seted up in resistance to plucking passageway (311) with a plurality of annular external teeth (12) a plurality of ring tooth's socket (312) of looks adaptation, a plurality of the outer wall middle part of sectorial block (31) is the annular and caves in and forms joint portion (313), buckle (32) lock cover is located in joint portion (313), spacing sleeve (4) cover is located between resistance to plucking sleeve (3) and casing (2), connecting portion (11) after resistance to plucking passageway (311), a plurality of sectorial block (31) are in the elastic action of spacing sleeve (4) and the lock effect of buckle (32) is located the cohesion is under the outer wall of locking press and is located on the connecting portion (11) the joint of connecting portion (11), the ring tooth's socket cooperation (11) is through annular connecting portion (12) and ring tooth's socket (312) cooperation.

2. A concrete pipe pile uplift connecting device as claimed in claim 1, wherein a thickness D1 of the abutting layer (121) is set to 0.5mm-1.5mm, a thickness D2 of the guide layer (122) is set to 1.5mm-2.5mm, and an inclination angle a of the guide layer (122) is set to 40 ° -50 °.

3. A concrete pipe pile uplift connecting device according to claim 1, wherein a distance D3 between a plurality of the annular outer teeth (12) is set to 1.5mm-2.5mm.

4. The concrete pipe pile pulling-resistant connecting device as recited in claim 1, wherein both ends of the buckle (32) are respectively provided with a convex strip portion (321) and a groove portion (322) matched with the convex strip portion (321), after the buckle (32) is buckled and sleeved in the buckling portion (313), the convex strip portion (321) is buckled in the groove portion (322) and is in clearance fit with the groove portion (322).

5. A concrete pipe pile pulling-resistant connecting device as recited in claim 1, further comprising a first end plate (51) and a second end plate (6), wherein the other end of the connecting member (1) is provided with a mounting portion (13), the mounting portion (13) is detachably disposed with the first end plate (51), and the housing (2) is detachably disposed with the second end plate (6).

6. A concrete pipe pile uplift-resistant connecting device as claimed in claim 5, wherein the top surface of the shell (2) is opened at a middle portion and extends upwards to form a connecting cylinder (21), and an outer wall of the connecting cylinder (21) is engaged with the second end plate (6) through a threaded connection.