CN215830143U - Detachable longitudinal butt joint device for GFRP (glass fiber reinforced Polymer) pipe concrete pole - Google Patents
Detachable longitudinal butt joint device for GFRP (glass fiber reinforced Polymer) pipe concrete pole Download PDFInfo
- Publication number
- CN215830143U CN215830143U CN202121477577.3U CN202121477577U CN215830143U CN 215830143 U CN215830143 U CN 215830143U CN 202121477577 U CN202121477577 U CN 202121477577U CN 215830143 U CN215830143 U CN 215830143U
- Authority
- CN
- China
- Prior art keywords
- taper sleeve
- butt joint
- gfrp
- electric pole
- joint device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The utility model provides a detachable lengthwise butt joint device for GFRP (glass fiber reinforced plastic) pipe concrete poles, which relates to the technical field of civil engineering and comprises a flange taper sleeve, a flange plate, screw holes distributed on the flange plate and a tensioning taper sleeve arranged in the flange taper sleeve; the conical outer wall of the tensioning taper sleeve is tightly attached to the conical inner wall of the flange taper sleeve; the electric pole is inserted into the tensioning taper sleeve and is attached to the tensioning taper sleeve; a long butt joint device is arranged at the bottom of the electric pole at the upper part, and another long butt joint device is arranged at the top of the electric pole at the lower part; the flanges of the two long butt joint devices are fixed to realize the long butt joint of the upper electric pole and the lower electric pole. The utility model is prefabricated through the whole assembling process; simultaneously, the tensioning taper sleeve is tightly contacted with the inner wall of the flange taper sleeve and the outer wall of the GFRP pipe by hammering and utilizing taper, so that the connection reliability can be ensured, and meanwhile, the inner support member is arranged on the concrete inner wall of the electric pole, so that the stability of the electric pole and the connecting flange is further enhanced.
Description
Technical Field
The utility model relates to a detachable GFRP (glass fiber reinforced Polymer) pipe concrete pole longitudinal butt joint device, belonging to the technical field of civil engineering.
Background
In the transmission line structure, GFRP pipe centrifugal concrete pole can regard as the mobile jib of transmission line self-reliance tower, compare with traditional transmission pole, it has the nonconducting, the advantage that reducible circuit took up an area of, secondly still have save the template, strengthen restraint, advantage such as corrosion-resistant, pour pole concrete in addition and adopt centrifugal construction process, this kind of method can improve pole wholeness and intensity, also can accelerate the prefabrication progress of mill, simplify the production flow, but because can not weld, the long-direction butt joint of GFRP pipe centrifugal concrete pole becomes the engineering problem.
The existing GFRP pipe member long-direction butt joint mode is mainly characterized in that the GFRP pipe member is inserted into a steel pipe with a flange plate and fixed in a glue-pouring connection mode, and due to the fact that the service life of glue is limited, the fixing mode is poor in durability, unstable, non-detachable, complex in installation process and incapable of being prefabricated and assembled.
The present application was made based on this.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of long-direction butt joint of GFRP (glass fiber reinforced plastic) pipe centrifugal concrete poles in the prior art, the utility model provides a detachable GFRP pipe concrete pole long-direction butt joint device, which realizes an assembly type installation process and simultaneously ensures the strength and stability of an integral splicing member.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a detachable GFRP (glass fiber reinforced plastic) pipe concrete pole longitudinal butt joint device comprises a flange taper sleeve, a flange plate arranged on the flange taper sleeve, screw holes distributed on the flange plate and a tensioning taper sleeve arranged in the flange taper sleeve; the conical outer wall of the tensioning taper sleeve is tightly attached to the conical inner wall of the flange taper sleeve; the electric pole is inserted into the tensioning taper sleeve and is attached to the tensioning taper sleeve; the bottom of the electric pole at the upper part is provided with one long-direction butt joint device, and the top of the electric pole at the lower part is provided with the other long-direction butt joint device; the flanges of the two long butt joint devices are fixed to realize the long butt joint of the upper electric pole and the lower electric pole.
The utility model provides a preferable scheme, the electric pole comprises a GFRP pipe and annular centrifugal concrete poured in the GFRP pipe, and an inner supporting member is arranged on the annular inner wall of the centrifugal concrete.
The utility model provides a preferable scheme, wherein the inner support member comprises a central rod, two telescopic support rods respectively arranged at two sides of the central rod, and steel plates respectively arranged at the tail ends of the two telescopic support rods; the distance between the steel plates on the two sides and the central rod is changed by the telescopic supporting rod in a telescopic mode.
The utility model provides a preferable scheme.A telescopic structure of a telescopic supporting rod is characterized in that one end of the supporting rod is rotatably connected with a steel plate, the other end of the supporting rod is rotatably connected with a central rod, and the central rod moves up and down to drive the supporting rods at two sides to stretch and change the distance between the steel plates at two sides and the central rod.
The utility model provides a preferable scheme, wherein a fixing pipe is sleeved at one end of a supporting rod and fixedly connected with a steel plate, a spring is arranged at one end of the supporting rod and fixed with the steel plate, a limiting piece is arranged between the fixing pipe and a supporting pipe, and a ball is arranged between the limiting piece and the supporting rod.
The utility model provides a preferable scheme, wherein a sliding block is arranged on the central rod, and the other end of the supporting rod is hinged with the sliding block; be equipped with the screw thread on the well core rod, slider and well core rod screw-thread fit, the slider both ends are equipped with well core rod screw-thread fit's slider nut, realize the slider spacing fixedly on well core rod through the slider nut.
The utility model provides a preferable scheme, wherein the tensioning taper sleeve is not closed in the circumferential direction and is provided with a plurality of longitudinal gaps.
The utility model can realize the following technical effects:
the detachable GFRP pipe concrete pole longitudinal butt joint device is prefabricated and assembled in the whole installation process through the flange plate and the flange taper sleeve; meanwhile, the tensioning taper sleeve is adopted and is in close contact with the inner wall of the flange taper sleeve and the outer wall of the GFRP pipe through hammering by using taper, the connection reliability can be guaranteed, and meanwhile, the inner support member is arranged on the concrete inner wall of the electric pole, so that the stability of the electric pole and the connecting flange is further enhanced.
Drawings
FIG. 1 is a three-dimensional effect diagram of a flange taper sleeve and a flange disk in the longitudinal butt joint device of the embodiment;
FIG. 2 is a schematic view of the assembly and connection of the longitudinal docking device of the present embodiment;
FIG. 3 is a diagram illustrating the effect of the taper sleeve tensioning connection in the longitudinal butt joint device of the present embodiment;
FIG. 4 is a first cross-sectional view of a taper sleeve tightening connection in the longitudinal butt joint apparatus of the present embodiment;
FIG. 5 is a schematic cross-sectional view of a taper sleeve tightening connection in the longitudinal butt joint apparatus of the present embodiment;
FIG. 6 is a schematic view of the tension connection force of the taper sleeve in the longitudinal butt joint device according to the embodiment;
fig. 7 is a schematic sectional view of the longitudinal docking device of the present embodiment after the assembly of the upper and lower poles is completed;
fig. 8 is a top view (before support) of the inner support member in the longitudinal aligning device of the present embodiment;
fig. 9 is a top view (after support) of the inner support steel plate in the longitudinal butt-joint device of the present embodiment;
FIG. 10 is a schematic view of section 1-1 of FIG. 8;
FIG. 11 is a schematic view taken at section 2-2 of FIG. 9;
fig. 12 is a connecting structure of the supporting rod end of the inner supporting member and the fixed tube in the longitudinal direction aligning device of the present embodiment.
Description of the labeling: the flange taper sleeve comprises a flange taper sleeve 1, a flange plate 2, a screw hole 3, a tensioning taper sleeve 4, a GFRP pipe 5, centrifugal concrete 6, a screw rod 7, a bolt and nut 8, a central rod 9, a sliding block 10, a sliding block and nut 11, a fixed pipe 12, a spring 13, a supporting rod 14, a limiting piece 15, a ball 16 and a steel plate 17.
Detailed Description
In order to make the technical means and technical effects achieved by the technical means of the present invention more clearly and more perfectly disclosed, the following embodiments are provided, and the following detailed description is made with reference to the accompanying drawings:
as shown in fig. 1 to 12, the longitudinal butting device for a detachable GFRP pipe concrete pole of the present embodiment includes a flange taper sleeve, a flange plate disposed on the flange taper sleeve, screw holes distributed on the flange plate, and a tension taper sleeve mounted in the flange taper sleeve; the conical outer wall of the tensioning taper sleeve is tightly attached to the conical inner wall of the flange taper sleeve; the electric pole is inserted into the tensioning taper sleeve and is attached to the tensioning taper sleeve; a long butt joint device is arranged at the bottom of the electric pole at the upper part, and another long butt joint device is arranged at the top of the electric pole at the lower part; the flanges of the two long butt joint devices are fixed to realize the long butt joint of the upper electric pole and the lower electric pole.
In the preferred embodiment, the electric pole comprises a GFRP pipe and centrifugal concrete poured in the GFRP pipe in an annular shape, and an inner supporting member is arranged on the annular inner wall of the centrifugal concrete. The inner support member may enhance stability of the electric pole and the connection flange.
Preferably, in this embodiment, the inner support member includes a central rod, two telescopic support rods respectively mounted on two sides of the central rod, and steel plates respectively mounted at ends of the two telescopic support rods; the distance between the steel plates at the two sides and the central rod is changed by the telescopic supporting rod through stretching. Through the telescopic structure, be convenient for install inside the pole with interior support member, the on-the-spot assembly flexibility ratio is high.
The preferred, extending structure of scalable bracing piece does of this embodiment, and the one end and the steel sheet of bracing piece rotate to be connected, and the other end and well core rod of bracing piece rotate to be connected, and well core rod reciprocates and drives the flexible distance that changes between both sides steel sheet and the well core rod of both sides bracing piece. The telescopic structure is simple through the rotation mode, and the operation is simple and convenient.
This embodiment is preferred, and the pot head of bracing piece is equipped with fixed pipe, fixed pipe and steel sheet fixed connection, and the one end of bracing piece is equipped with the spring, and the spring is fixed with the steel sheet, is equipped with spacing piece between fixed pipe and the stay tube, is equipped with the ball between spacing piece and the bracing piece. Through above-mentioned structure, can make the tip of bracing piece stretch out and draw back along fixed intraduct, and the setting up of ball makes flexible comparatively light, can release the power that produces when stretching out and drawing back. The fixed pipe is fixedly connected with the steel plate (welding can be adopted), the spring enables the supporting system to stretch out and draw back, and the fixed pipe can effectively and stably transmit supporting force brought by the spring.
In the preferred embodiment, the central rod is provided with a sliding block, and the other end of the supporting rod is hinged with the sliding block; be equipped with the screw thread on well core rod, slider and well core rod screw-thread fit, the slider both ends are equipped with well core rod screw-thread fit's slider nut, realize the slider spacing fixedly on well core rod through the slider nut. By adopting the central rod in the screw rod form, the up-and-down linear movement of the sliding block can be realized only by rotating the central rod, the telescopic operation is convenient, and the telescopic distance can be accurately and finely adjusted.
Preferably, the tensioning taper sleeve is not closed in the circumferential direction and is provided with a plurality of longitudinal gaps. The reliability of the connection can be ensured while the assembly-type installation is realized through the unclosed structure and the longitudinal gap.
In the preferred embodiment, the taper of the inner wall of the flange taper sleeve is smaller than the friction angle arctan by 0.15, and the taper is an included angle formed by a generatrix of the inner wall of the flange taper sleeve and a generatrix of the GFRP pipe.
Preferably, in this embodiment, as shown in fig. 6, the tensioning taper sleeve can ensure that the GFRP concrete filled steel pole cannot be pulled out when bearing a shaft tension, and the design requirements of the tensioning taper sleeve are as follows: T/(L ∙ pi ∙ D ∙ tau) ≦ 1, wherein T represents axial tension bearing capacity of the GFRP pipe concrete electric pole, L represents height of the tension taper sleeve, D represents diameter of the tension taper sleeve, and tau represents friction force between the tension taper sleeve and the GFRP pipe wall.
In the preferred embodiment, as shown in fig. 5, the horizontal force is one of the common working conditions of the GFRP concrete-filled pole, and in order to ensure that the flanged pole works normally under the working conditions, the bending stiffness of the flange taper sleeve is designed to be not less than the bending stiffness of the GFRP concrete-filled pole member, which is expressed by formula EsIs≧（EfIf+0.85EcIc) In which EsInitial modulus of elasticity, I, of the flange conesRepresenting the section moment of inertia, E, of the flange taper sleevefInitial modulus of elasticity, I, of GFRP pipefRepresents the second moment of area, E, of the GFRP tubecDenotes the initial modulus of elasticity, I, of the centrifuged concretecRepresenting the section moment of inertia of the centrifuged concrete.
The longitudinal butt joint installation method for the detachable GFRP (glass fiber reinforced plastic) pipe concrete pole comprises the following steps: the method comprises the steps of firstly placing a butt joint device at the splicing position of a GFRP (glass fiber reinforced plastic) pipe concrete pole, then placing an inner support member into the GFRP pipe concrete pole, pushing a slider until a support rod horizontally abuts against a steel plate, completely attaching the steel plate to the inner wall of the concrete, fixing the slider on a central rod by using a nut, then inserting a tension taper sleeve with a band gap into a gap between a flange taper sleeve and the outer wall of the GFRP pipe to be hammered downwards, gradually closing a longitudinal gap on the wall of the tension taper sleeve in the hammering process, and achieving tension connection between the tension taper sleeve and the inner wall of the flange taper sleeve as well as the outer wall of the GFRP pipe.
The above description is provided for the purpose of further elaboration of the technical solutions provided in connection with the preferred embodiments of the present invention, and it should not be understood that the embodiments of the present invention are limited to the above description, and it should be understood that various simple deductions or substitutions can be made by those skilled in the art without departing from the spirit of the present invention, and all such alternatives are included in the scope of the present invention.
Claims (7)
1. The utility model provides a can dismantle GFRP pipe concrete pole length is to interfacing apparatus which characterized in that: the tensioning taper sleeve is arranged in the flange taper sleeve; the conical outer wall of the tensioning taper sleeve is tightly attached to the conical inner wall of the flange taper sleeve; the electric pole is inserted into the tensioning taper sleeve and is attached to the tensioning taper sleeve; the bottom of the electric pole at the upper part is provided with one long-direction butt joint device, and the top of the electric pole at the lower part is provided with the other long-direction butt joint device; the flanges of the two long butt joint devices are fixed to realize the long butt joint of the upper electric pole and the lower electric pole.
2. The detachable GFRP tube concrete pole long-direction butt joint device as claimed in claim 1, wherein: the electric pole comprises a GFRP pipe and annular centrifugal concrete poured in the GFRP pipe, and an inner supporting member is arranged on the annular inner wall of the centrifugal concrete.
3. The detachable GFRP tube concrete pole long-direction butt joint device as claimed in claim 2, wherein: the inner support member comprises a central rod, two telescopic support rods and steel plates, the two telescopic support rods are respectively arranged on two sides of the central rod, and the steel plates are respectively arranged at the tail ends of the two telescopic support rods; the distance between the steel plates on the two sides and the central rod is changed by the telescopic supporting rod in a telescopic mode.
4. The detachable GFRP tube concrete pole longitudinal butting device as claimed in claim 3, wherein: the telescopic structure of the telescopic supporting rod is that one end of the supporting rod is connected with the steel plate in a rotating mode, the other end of the supporting rod is connected with the center rod in a rotating mode, and the center rod moves up and down to drive the supporting rods on two sides to stretch and change the distance between the steel plate on two sides and the center rod.
5. The detachable GFRP tube concrete pole long-direction butt joint device as claimed in claim 4, wherein: one pot head of bracing piece is equipped with fixed pipe, fixed pipe and steel sheet fixed connection, and the one end of bracing piece is equipped with the spring, and the spring is fixed with the steel sheet, is equipped with spacing piece between fixed pipe and the stay tube, is equipped with the ball between spacing piece and the bracing piece.
6. The detachable GFRP tube concrete pole longitudinal butting device as claimed in claim 5, wherein: the center rod is provided with a sliding block, and the other end of the supporting rod is hinged with the sliding block; be equipped with the screw thread on the well core rod, slider and well core rod screw-thread fit, the slider both ends are equipped with well core rod screw-thread fit's slider nut, realize the slider spacing fixedly on well core rod through the slider nut.
7. The detachable GFRP tube concrete pole long-direction butt joint device as claimed in claim 1, wherein: the tensioning taper sleeve is not closed in the circumferential direction and is provided with a plurality of longitudinal gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121477577.3U CN215830143U (en) | 2021-06-30 | 2021-06-30 | Detachable longitudinal butt joint device for GFRP (glass fiber reinforced Polymer) pipe concrete pole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121477577.3U CN215830143U (en) | 2021-06-30 | 2021-06-30 | Detachable longitudinal butt joint device for GFRP (glass fiber reinforced Polymer) pipe concrete pole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215830143U true CN215830143U (en) | 2022-02-15 |
Family
ID=80191354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121477577.3U Active CN215830143U (en) | 2021-06-30 | 2021-06-30 | Detachable longitudinal butt joint device for GFRP (glass fiber reinforced Polymer) pipe concrete pole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215830143U (en) |
-
2021
- 2021-06-30 CN CN202121477577.3U patent/CN215830143U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107605052B (en) | Prefabricated assembled square steel pipe concrete column component connecting structure and construction method thereof | |
| CN112260143B (en) | Road-crossing cable laying structure and construction method thereof | |
| CN215830143U (en) | Detachable longitudinal butt joint device for GFRP (glass fiber reinforced Polymer) pipe concrete pole | |
| CN113503081A (en) | Detachable GFRP (glass fiber reinforced Polymer) pipe concrete pole longitudinal butt joint device and mounting method thereof | |
| CN207419858U (en) | Bar connecting component and assembly concrete component | |
| CN103216013B (en) | Hinged joint device for stay bar end welding plate type large rotation angle ball | |
| CN115417232A (en) | Multifunctional cable laying device | |
| CN102535753B (en) | Coaxial location device of large-tonnage pre-stressed anchor part and construction method thereof | |
| CN211973135U (en) | Combined supporting device for constructing cable-stayed bridge | |
| CN210086296U (en) | Opposite-top supporting system for subway side wall construction | |
| CN211773588U (en) | Accurate positioning tool of assembled building foundation post muscle | |
| CN215830144U (en) | Prefabricated tip pulling GFRP pipe concrete pole butt-joint structural | |
| CN106906970B (en) | Mounting structure and mounting method of cylindrical stone curtain wall | |
| CN220337004U (en) | Seamless reducing shell ring structure of wind power generation mixing tower | |
| CN113503080B (en) | Long butt joint structure of prefabricated pull-out GFRP pipe centrifugal concrete pole | |
| CN220056288U (en) | Precast concrete tower section of thick bamboo turning device | |
| CN216238517U (en) | Constructional engineering pile equipment | |
| CN109629678A (en) | Huge steel pipe splicing construction and huge spliced steel pipe | |
| CN220433907U (en) | Connecting device of steel structure node | |
| CN111502286B (en) | A string section of thick bamboo structure for concrete is carried perpendicularly and cloth | |
| CN210975883U (en) | Right-angle compensation connecting die | |
| CN218581902U (en) | Fan convenient to maintain | |
| CN211340778U (en) | Ground anchor for construction | |
| CN113356908B (en) | Reinforced anchoring anti-floating anchor rod device | |
| CN214627255U (en) | Embedded network switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |