CN213144046U

CN213144046U - Large-bending-moment large-tip-diameter prestressed concrete flange joint electric pole

Info

Publication number: CN213144046U
Application number: CN202021478270.0U
Authority: CN
Inventors: 连若泉
Original assignee: Hunan Xiongfeng Power Equipment Co ltd
Current assignee: Hunan Xiongfeng Power Equipment Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-05-07
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to a big tip footpath prestressed concrete flange of big moment of flexure connects pole, it includes the body of rod, the tip of the body of rod is provided with the ring flange, fixed cover is equipped with the installation cover on the lateral wall that the wire pole is close to the tip, set up flutedly on the inner wall of installation cover, the ring flange joint in the recess, logical groove has been seted up on the inner wall of installation cover, lead to the inslot and wear to be equipped with the gag lever post, set up the thread groove on the outer wall of ring flange, the gag lever post with thread groove threaded connection, it is provided with the piece of supporting to lead to the ins. The utility model discloses the effect of convenient change ring flange has.

Description

Large-bending-moment large-tip-diameter prestressed concrete flange joint electric pole

Technical Field

The utility model belongs to the technical field of the technique of power communication pole and specifically relates to a big tip footpath prestressed concrete flange joint pole of moment of flexure.

Background

Due to excellent performance, the prestressed concrete pole with large bending moment and large tip diameter for electric power and communication poles can replace steel tube towers and angle steel towers to be widely used on 10kv, 35kv and 110kv high-voltage transmission lines and communication poles. Along with the new round of power grid transformation and upgrading, multi-loop and high-strength towers appear, the assembly length of the prestressed concrete pole with large bending moment and large tip diameter is bound to be increased, and the longest assembly length of the pole reaches 48 m. At present, steel plate ring welding joints are mostly adopted for assembling electric pole joints with large bending moment and large tip diameter, flange bolt connecting joints are also adopted for assembling the electric pole joints with the length being less than 18m, but the electric pole joints are limited to a middle flange or a root flange, namely the large bending moment and large tip diameter prestressed assembling pole can be assembled by only one joint at present.

Chinese patent is granted No. CN205894832U, and the announcement day is 2017 1 month 18 days, discloses a big tip footpath prestressed concrete flange joint pole of moment of flexure, include prestressed concrete pole body and locate the flange joint of this tip of prestressed concrete pole, the flange joint includes the sleeve, set firmly the stretch-draw internal tooth that hangs the muscle circle and be used for with the interlock of stretch-draw head on the sleeve inner wall, this internal reinforcing bar of prestressed concrete pole with hang muscle circle fixed connection, set firmly the stretch-draw ring flange on the sleeve outer wall, be equipped with a plurality of through-holes that are used for installing stretch-draw bolt on the stretch-draw ring flange.

The above prior art solutions have the following drawbacks: among the above-mentioned technical scheme, through the tip with flange welding wire pole, because the wire pole is installed in natural environment, cause the oxidative damage of flange plate easily under the erosion and corrosion of rainwater, when the flange plate damages, the manual work is more difficult when changing the flange plate, has the space of improving.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a big tip footpath prestressed concrete flange joint pole of big moment of flexure of convenient change ring flange.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a big tip footpath prestressed concrete flange joint pole of moment of flexure, includes the body of rod, the tip of the body of rod is provided with the ring flange, fixed cover is equipped with the installation cover on the lateral wall that the wire pole is close to the tip, set up flutedly on the inner wall of installation cover, the ring flange joint in the recess, logical groove has been seted up on the inner wall of installation cover, wear to be equipped with the gag lever post in leading to the inslot, set up the thread groove on the outer wall of ring flange, the gag lever post with thread groove threaded connection, it is provided with the piece of propping to lead.

Through adopting above-mentioned technical scheme, when the ring flange damaged, through unscrewing the gag lever post, move the piece of keeping off, through shifting out the flange dish along the recess in the installation cover, shift out the flange dish installation cover, carry out convenient change ring flange.

The present invention may be further configured in a preferred embodiment as: the abutting piece is a compression spring, the compression spring is fixedly sleeved on the outer wall of the limiting rod, and the compression spring abuts against the inner wall, far away from one end of the flange plate, of the through groove and the outer wall, close to the opening end of the installation sleeve, of the limiting rod.

Through adopting above-mentioned technical scheme, there is compression spring in the butt between the open end of gag lever post and logical groove, and the crushing spring can accumulate a power when the gag lever post is pull back, when needs installation ring flange, pops out the gag lever post through the power that compression spring accumulated and cooperates with the thread groove, has the effect of convenient installation.

The present invention may be further configured in a preferred embodiment as: the groove comprises a vertical groove and a horizontal groove, the bottom end of the flange plate is fixedly connected with a butt joint block, and the butt joint block abuts against the vertical groove in the horizontal groove.

Through adopting above-mentioned technical scheme, the ring flange moves to the tip in the bottom case horizontal groove in vertical groove through the butt joint piece along vertical groove and removes, through butt joint piece in recess joint for the ring flange is stabilized to be fixed in the installation cover.

The present invention may be further configured in a preferred embodiment as: the bottom end of the abutting block is arc-shaped.

Through adopting above-mentioned technical scheme, the bottom of butt piece sets up to circular-arc, has reduced the frictional force that the butt piece produced when removing in the recess, has avoided because frictional force too big leads to the condition emergence that the butt piece can't remove in the recess.

The present invention may be further configured in a preferred embodiment as: and a pressing block is abutted in the vertical groove and abutted to the bottom of the vertical groove.

Through adopting above-mentioned technical scheme, the compact heap butt is in vertical groove and the tank bottom that is located vertical groove, supports the butt piece tightly at the horizontal inslot, avoids the butt piece to remove at the junction of horizontal groove and vertical groove and causes the ring flange to remove for the installation of ring flange is unstable.

The present invention may be further configured in a preferred embodiment as: the upper end of the pressing block is fixedly connected with a connecting ring, the connecting ring abuts against the upper end of the mounting sleeve, and a locking piece is arranged at the upper end of the connecting ring.

Through adopting above-mentioned technical scheme, through go-between butt in the upper end of installation cover, support the compact heap tight in the upper end of installation cover for the compact heap is stably supported tightly and is injectd the butt joint piece at vertical inslot.

The present invention may be further configured in a preferred embodiment as: the retaining member comprises a stud, and the stud penetrates through the connecting ring and abuts against the thread of the connecting ring in the mounting sleeve.

By adopting the technical scheme, the stud thread penetrates through the connecting ring to be abutted against the mounting sleeve, and the connecting ring and the mounting sleeve are connected into a whole, so that the connecting ring is stably fixed on the mounting sleeve.

The present invention may be further configured in a preferred embodiment as: the mounting sleeve is connected with a sealing sleeve in a butting mode, and the sealing sleeve is sleeved on the outer wall of the connecting ring.

By adopting the technical scheme, the sealing sleeve is sleeved on the outer wall of the connecting ring, the connecting ring and the stud are integrally protected in the sealing sleeve, the connecting ring and the stud are prevented from being oxidized and worn, and the service life of the connecting ring and the stud is prolonged.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the flange plate is damaged, the limiting rod is unscrewed, the supporting piece is moved, the flange plate is moved out of the mounting sleeve along the groove, and the flange plate is moved out of the mounting sleeve, so that the flange plate can be conveniently replaced;

2. the utility model discloses a double-screw bolt screw thread is worn to establish go-between butt in the installation cover, connects go-between and installation cover in an organic whole for the go-between is stably fixed and is sheathe in the installation.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an enlarged partial axial cross-sectional view of the flange of fig. 1.

Fig. 3 is a schematic view of a partial explosion structure at the flange of fig. 1.

In the figure, 1, a rod body; 11. a flange plate; 111. a butting block; 12. installing a sleeve; 13. a groove; 131. a vertical groove; 132. a horizontal groove; 133. a compression block; 134. a connecting ring; 14. a through groove; 15. a limiting rod; 16. a thread groove; 2. an abutting piece; 21. a compression spring; 3. a locking member; 31. a stud; 4. and (5) sealing the sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 2 and 3, for the utility model discloses a big tip footpath prestressed concrete flange joint pole of big moment of flexure, including the body of rod 1 (refer to fig. 1), the preferred cylinder pipe of the shape of the body of rod 1, its material is the preferred concrete material. A flange 11 (see fig. 1) is provided at an end of the rod body 1, and the material of the flange 11 is preferably a metal material. The side wall of the utility pole near the end is welded and sleeved with a mounting sleeve 12 (refer to fig. 1), and the mounting sleeve 12 is preferably a cylindrical tube, and the material of the mounting sleeve is preferably a metal material. The inner wall of the mounting sleeve 12 is provided with a groove 13. The groove 13 includes a vertical groove 131 and a horizontal groove 132. The flange plate 11 is clamped in the groove 13. The lateral wall of the flange 11 is welded with an abutting block 111, and the abutting block 111 moves along the vertical groove 131 and abuts against the horizontal groove 132. The abutment block 111 is preferably a square block having a circular arc-shaped bottom end, and is preferably made of a metal material. A through groove 14 is formed in the inner wall of the mounting sleeve 12, and a limiting rod 15 penetrates through the through groove 14. The shape of the stop rod 15 is preferably a cylindrical rod, and the material thereof is preferably a metal material. The outer wall of the flange plate 11 is provided with a thread groove 16 for the threaded connection of a limiting rod 15. The through groove 14 is provided with the abutting piece 2.

The technical scheme is applied as follows: when the flange plate 11 is damaged, the limiting rod 15 is unscrewed, the abutting piece 2 is moved, the flange plate 11 is moved out of the mounting sleeve 12 through moving the flange plate 11 out of the mounting sleeve 12 along the groove 13, and the flange plate 11 is conveniently replaced.

The abutting member 2 is a compression spring 21, and the material of the compression spring 21 is preferably a metal material. The compression spring 21 abuts against the bottom of the through groove 14 and one end, close to the opening of the through groove 14, of the limiting rod 15, the compression spring 21 is sleeved on the outer wall of the limiting rod 15, and the compression spring 21 and the limiting rod 15 are fixedly connected with the side wall, close to the opening of the through groove 14.

The vertical groove 131 is abutted with a pressing block 133, and the pressing block 133 is positioned at the bottom of the vertical groove 131 and abutted with one side of the abutting block 111 in the horizontal groove 132. The shape of the pressing block 133 is preferably a square block, and the material thereof is preferably a metal material. The upper end of the pressing block 133 is fixedly welded with a connecting ring 134, and the connecting ring 134 is two hinged semicircular rings, and the material of the connecting ring is preferably a metal material.

The connecting ring 134 is provided with a locking member 3, the locking member 3 is a stud 31, the stud 31 is preferably in the shape of a hexagonal stud 31, and the material of the stud 31 is preferably a metal material. The stud 31 is threaded through the coupling ring 134 to abut within the mounting sleeve 12. The outer wall of the connecting ring 134 is sleeved with a sealing sleeve 4, the shape of the sealing sleeve 4 is preferably circular ring, and the material of the sealing sleeve 4 is preferably rubber material.

The implementation principle of the embodiment is as follows: when the flange plate 11 is damaged, the sealing ring is disassembled, the limiting rod 15 is unscrewed, the stud 31 is unscrewed, the connecting ring 134 and the pressing block 133 are integrally moved out of the vertical groove 131, the connecting ring 134 is opened, the pressing block 133 is moved out of the outer wall of the flange plate 11, the flange plate 11 is rotated to be moved out along the vertical groove 131 through the abutting block 111 by outwards tensioning the limiting rod 15, and the flange plate 11 is replaced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a big tip footpath prestressed concrete flange joint pole of moment of flexure, includes the body of rod (1), the tip of the body of rod (1) is provided with ring flange (11), its characterized in that: the utility model discloses a lead screw bolt, including the body of rod (1), the body of rod is close to fixed cover on the lateral wall of tip and is equipped with installation cover (12), set up fluted (13) on the inner wall of installation cover (12), ring flange (11) joint in recess (13), logical groove (14) have been seted up on the inner wall of installation cover (12), wear to be equipped with gag lever post (15) in leading to groove (14), set up thread groove (16) on the outer wall of ring flange (11), gag lever post (15) with thread groove (16) threaded connection, it supports tie member (2) to be provided with in leading to groove (14).

2. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 1, is characterized in that: keep apart piece (2) for compression spring (21), compression spring (21) fixed cover is located on the outer wall of gag lever post (15), compression spring (21) butt in lead to groove (14) and keep away from the inner wall of ring flange (11) one end with gag lever post (15) are close to lead to groove (14) in install set (12) between the outer wall of open end.

3. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 1, is characterized in that: the groove (13) comprises a vertical groove (131) and a horizontal groove (132), the bottom end of the flange plate (11) is fixedly connected with a butt joint block (111), and the butt joint block (111) abuts against the inside of the horizontal groove (132) along the vertical groove (131).

4. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 3, wherein: the bottom end of the abutting block (111) is arc-shaped.

5. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 3, wherein: a pressing block (133) is abutted in the vertical groove (131), and the pressing block (133) is abutted on the bottom of the vertical groove (131).

6. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 5, wherein: the upper end fixedly connected with go-between (134) of compact heap (133), go-between (134) butt in the upper end of installation cover (12), the upper end of go-between (134) is provided with retaining member (3).

7. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 6, wherein: the locking piece (3) comprises a stud (31), and the stud (31) penetrates through the connecting ring (134) and abuts against the inside of the mounting sleeve (12) in a threaded mode.

8. The large bending moment and large tip diameter prestressed concrete flange joint electric pole as claimed in claim 6, wherein: the mounting sleeve (12) is abutted with a sealing sleeve (4), and the sealing sleeve (4) is sleeved on the outer wall of the connecting ring (134).