CN217010134U

CN217010134U - High-safety fastening device for power transmission line

Info

Publication number: CN217010134U
Application number: CN202122445145.0U
Authority: CN
Inventors: 黄程章
Original assignee: Guangdong Jingcheng Power Equipment Co ltd
Current assignee: Guangdong Jingcheng Power Equipment Co ltd
Priority date: 2021-10-09
Filing date: 2021-10-09
Publication date: 2022-07-19
Anticipated expiration: 2031-10-09

Abstract

The utility model relates to the technical field of transmission line operation, and discloses a high-safety fastening device for a transmission line, which comprises a control box body, wherein an insulating handle is fixedly connected to the lower surface of the control box body, a driving installation rod is arranged on the rear side surface of the control box body, a sleeve head is arranged at the rear end of the driving installation rod, an installation hole is formed in the front side surface of the sleeve head, two butt-joint blocks are respectively and fixedly connected to the outer surface of the driving installation rod, and two butt-joint grooves are respectively formed in the inner wall of the installation hole. This a high security fastener for transmission line through being provided with the butt joint piece, has improved the precision when joint pole docks with the joint hole like this, has avoided the operating degree of difficulty of staff when installing cover barrel head on drive installation pole, has improved the efficiency when cover barrel head installs, has further improved the speed to the bolt-up on transmission tower, has also improved the fastness between cover barrel head and the drive installation pole simultaneously.

Description

High-safety fastening device for power transmission line

Technical Field

The utility model relates to the technical field of transmission line operation, in particular to a high-safety fastening device for a transmission line.

Background

An overhead transmission line is used as an important component of a power grid and plays an important role in a power system, various hardware fittings on a transmission tower are generally fixed by bolts, however, the transmission tower is mainly distributed in open fields, valley hills and river network zones and is easily influenced by various natural environments, so that the bolts are loosened, and potential hazards are left for safe operation of the transmission line;

according to the problems, compared with the prior patent publications: CN212601571U discloses an electrified fastener that is arranged in not hard up bolt of transmission line, and this scheme reaches under the situation that does not have a power failure through being provided with bolt fixing device and nut rotating device, fastens the bolt on the gold utensil, and hexagonal sleeve joint can change the hexagonal sleeve that is suitable for according to the different models of bolt on the output shaft simultaneously, but there is certain drawback in the installation of hexagonal sleeve in this scheme: this scheme is through pressing the head and moving in the joint card goes into the corresponding joint mouth of hexagonal sleeve, therefore hexagonal sleeve when fixed mounting is on the output shaft, need align joint mouth and joint's position, just so can guarantee in the hexagonal sleeve installation in-process joint can go into in the joint card, the mode has increased the operating difficulty of staff when installing the cover head on the drive installation pole like this, has reduced the speed to bolt-up on the transmission tower, has increased staff high altitude construction's time.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-safety fastening device for a power transmission line, which solves the problems that in the installation process of a hexagonal sleeve, the clamping port and the clamping joint are required to be aligned to clamp the clamping joint into the clamping port, so that the operation difficulty of a worker in installing the sleeve head on a driving installation rod is increased, the fastening speed of a bolt on the power transmission tower is reduced, and the high-altitude operation time of the worker is increased.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a high-safety fastening device for a power transmission line comprises a control box body, wherein an insulating handle is fixedly connected to the lower surface of the control box body, a driving installation rod is arranged on the rear side surface of the control box body, a sleeve head is arranged at the rear end of the driving installation rod, and an installation hole matched with the driving installation rod is formed in the front side surface of the sleeve head;

the outer surface of the driving mounting rod is respectively provided with two clamping holes, the sleeve head is internally provided with two built-in cavities, the connecting structures in the two built-in cavities are the same and are arranged in a mirror image mode, the built-in cavities are connected with clamping rods of which one ends penetrate into the mounting holes and the other ends penetrate out of the sleeve head in a sliding mode, meanwhile, the clamping rods are connected with the inner wall of the sleeve head in a sliding mode, and one ends of the clamping rods in the mounting holes are matched with the clamping holes;

the one end surface that the drive installation pole is close to the cover barrel head is two fixedly connected with butt joint blocks that are the symmetrical form setting respectively, offers two butt joint grooves identical with butt joint block and all extend cover barrel head front side surface on the inner wall of mounting hole respectively.

Preferably, one end of the clamping rod, which is positioned in the built-in cavity, is fixedly sleeved with a limiting plate, and the lower surface of the limiting plate is fixedly connected with a reset tension spring which is movably sleeved on the clamping rod and the other end of the clamping rod is fixedly connected to the inner wall of the built-in cavity.

Preferably, one end of the driving installation rod, which is close to the sleeve head, is in a shape of a circular truncated cone.

Preferably, the docking block is arranged in a triangular shape.

Preferably, the front side surface of the control box body is provided with an insulating rotating rod, the rear end of the insulating rotating rod penetrates into the control box body and is rotatably connected with the front wall of the control box body, and the front end of the driving installation rod penetrates into the control box body and is rotatably connected with the rear wall of the control box body.

Preferably, the control groove has been seted up to the front side surface of drive installation pole, and the rear end fixedly connected with of insulating dwang extends into the driving gear in the control groove, is provided with the tooth on the inner wall of control groove, and the meshing is connected with three driven gear respectively between tooth and the driving gear.

(III) advantageous effects

Compared with the prior art, the utility model provides a high-safety fastening device for a power transmission line, which has the following beneficial effects:

1. this a high security fastener for transmission line, through being provided with the butt joint piece, precision when joint pole and joint hole butt joint has been improved like this, the operation degree of difficulty when having avoided the staff to install the cover barrel head on drive installation pole, efficiency when having improved the installation of cover barrel head, the speed to bolt-up on the transmission tower has further been improved, the butt joint piece has also increased the sealed effect between cover barrel head and the drive installation pole simultaneously, the fastness between cover barrel head and the drive installation pole has been improved, the condition that the bolt-up of cover barrel head on the transmission tower appears rocking has been avoided.

2. This a high security fastener for transmission line through be provided with laborsaving gear mechanism between drive installation pole and insulating dwang, has reduced the staff like this and has twisted the power that the insulating dwang needs to be spent, has further reduced the staff and has twisted the working force degree when moving the bolt, efficiency when further having ensured the bolt-up.

3. This a high security fastener for transmission line through being provided with insulating handle, therefore the staff when rotating insulating dwang, and insulating handle can be held to another hand, has made things convenient for the staff like this to insulating dwang operation, has further avoided the staff to hold the risk that the electric shock appears when this insulating handle, has improved the security of staff when the operation.

Drawings

Fig. 1 is a schematic structural view of a high-safety fastening device for a power transmission line according to the present invention;

FIG. 2 is a schematic view of the driving mounting rod and the sleeve head of the present invention in a disassembled configuration;

FIG. 3 is a schematic right side plan view of the mounting rod and sleeve head of the present invention after mounting;

fig. 4 is a schematic sectional structural view of the control box of the present invention.

In the figure: the device comprises a control box body 1, an insulating handle 2, a driving installation rod 3, a sleeve head 4, an insulating rotating rod 5, an installation hole 6, a butt joint block 7, a butt joint groove 8, a clamping hole 9, a built-in cavity 10, a clamping rod 11, a limiting plate 12, a reset tension spring 13, a control groove 14, a driving gear 15, a driven gear 16 and teeth 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high security fastener for transmission line, including control box 1, the lower fixed surface of control box 1 is connected with insulating handle 2, insulating handle 2 adopts insulating material to make for example plastics or pottery etc., the risk of electric shock has appeared when having avoided the staff to hold this insulating handle 2 like this, the security of staff when the operation has further been improved through this kind of mode, the rear side surface of control box 1 is provided with drive installation pole 3, the rear end of drive installation pole 3 is provided with cover barrel head 4, cover barrel head 4 and the bolt looks adaptation on the transmission tower, the staff can fasten the bolt on the transmission tower through cover barrel head 4 like this.

Further, the front side surface of the sleeve head 4 is provided with a mounting hole 6 matched with the driving mounting rod 3, so the sleeve head 4 is sleeved on the driving mounting rod 3 through the mounting hole 6, the outer surface of the driving mounting rod 3 is respectively provided with two clamping holes 9, two built-in cavities 10 are respectively arranged in the sleeve head 4, the connecting structures in the two built-in cavities 10 are the same and are arranged in a mirror image mode, therefore, the structure description in the built-in cavities 10 is mainly carried out in the upper side, one end of the clamping rod 11 in the built-in cavities 10 penetrates into the mounting hole 6 and the other end of the clamping rod 11 penetrates out of the sleeve head 4, meanwhile, the clamping rod 11 is in sliding connection with the inner wall of the sleeve head 4, one end of the clamping rod 11 in the mounting hole 6 is matched with the clamping holes 9, one end of the clamping rod 11 in the built-in cavity 10 is fixedly sleeved with a limiting plate 12, the lower surface of the limiting plate 12 is fixedly connected with a movable sleeve rod 11 and the other end of the clamping rod is fixedly connected to the inner wall of the built-in cavity 10 The return tension spring 13;

in this embodiment, one end of the driving installation rod 3 close to the sleeve head 4 is set to be circular truncated cone-shaped, so when the driving installation rod 3 extends into the installation hole 6, the inclined surface of the driving installation rod 3 contacts with the clamping rod 11, so that the clamping rod 11 slides along the inclined surface of the driving installation rod 3, so that the clamping rod 11 slides under extrusion force, the clamping rod 11 synchronously drives the limiting plate 12 to form a pulling effect on the reset tension spring 13, so that the reset tension spring 13 is stretched, when the sleeve head 4 is completely installed on the driving installation rod 3, the clamping rod 11 and the clamping hole 9 are in the same vertical position, so that the clamping rod 11 extends into the clamping hole 9 under the action of the reset tension spring 13, so that the clamping rod 11 forms a limiting effect on the clamping hole 9, the falling-off condition of the sleeve head 4 is avoided, when the sleeve head 4 needs to be removed, by pulling one end of the clamping rod 11 located outside the sleeve head 4, this displaces the catch rod 11 out of the catch hole 9, so that the sleeve head 4 can be removed.

Furthermore, the outer surface of one end of the driving installation rod 3 close to the sleeve head 4 is respectively and fixedly connected with two butt joint blocks 7 which are arranged in a symmetrical mode, meanwhile, the inner wall of the installation hole 6 is respectively provided with two butt joint grooves 8 which are matched with the butt joint blocks 7 and respectively extend out of the front side surface of the sleeve head 4, so that the sleeve head 4 can be installed only by butt joint of the butt joint grooves 8 and the butt joint blocks 7 when the sleeve head 4 is installed on the driving installation rod 3, meanwhile, the butt joint blocks 7 are arranged in a triangular shape in the embodiment, the sealing effect between the sleeve head 4 and the driving installation rod 3 is further increased by the mode, the firmness between the sleeve head 4 and the driving installation rod 3 is improved, the shaking condition of the sleeve head 4 when fastening bolts on a power transmission tower is avoided, and the butt joint blocks 7 also improve the butt joint precision of the joint rods 11 and the joint holes 9, the operation difficulty of the working personnel when installing the sleeve head 4 on the driving installation rod 3 is avoided, and the efficiency of the sleeve head 4 during installation is improved.

Furthermore, the front side surface of the control box body 1 is provided with an insulating rotating rod 5, the rear end of the insulating rotating rod 5 penetrates into the control box body 1 and is rotatably connected with the front wall of the control box body 1, the insulating rotating rod 5 is also made of insulating materials, the front end of the driving installation rod 3 penetrates into the control box body 1 and is rotatably connected with the rear wall of the control box body 1, the front side surface of the driving installation rod 3 is provided with a control groove 14, the rear end of the insulating rotating rod 5 is fixedly connected with a driving gear 15 extending into the control groove 14, the inner wall of the control groove 14 is provided with teeth 17, and three driven gears 16 are respectively meshed and connected between the teeth 17 and the driving gear 15, so that when the driving gear 15 is driven to rotate by the insulating rotating rod 5, the driving gear 15 synchronously drives the three driven gears 16 to rotate, so that the driving installation rod 3 synchronously rotates under the action of gear transmission, and the insulating rotating rod 5 achieves the effect of labor saving, the effort required by the operator to screw the insulating swivelling lever 5 is reduced.

The working principle is as follows:

when the high-safety fastening device for the power transmission line is used, when the driving installation rod 3 extends into the installation hole 6, the inclined surface of the driving installation rod 3 is in contact with the clamping rod 11, so that the clamping rod 11 slides along the inclined surface of the driving installation rod 3, the clamping rod 11 slides under extrusion force, the clamping rod 11 synchronously drives the limiting plate 12 to form a pulling effect on the reset tension spring 13, the reset tension spring 13 is stretched, when the sleeve head 4 is completely installed on the driving installation rod 3, the clamping rod 11 and the clamping hole 9 are located at the same vertical position, so that the clamping rod 11 extends into the clamping hole 9 under the action of the reset tension spring 13, the clamping rod 11 forms a limiting effect on the clamping hole 9, and the condition that the sleeve head 4 falls off is avoided;

when the sleeve head 4 needs to be removed, one end of the clamping rod 11, which is positioned outside the sleeve head 4, is pulled, so that the clamping rod 11 is displaced out of the clamping hole 9, and the sleeve head 4 can be removed;

through rotating insulating dwang 5, when insulating dwang 5 drive driving gear 15 rotated like this, three driven gear 16 of driving gear 15 synchronous drive rotated, and drive installation pole 3 was rotatory with step under the gear drive effect like this for 3 drive sleeve heads 4 of drive installation pole fasten the bolt on the transmission tower.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high security fastener for transmission line, includes control box (1), its characterized in that: the lower surface of the control box body (1) is fixedly connected with an insulating handle (2), the rear side surface of the control box body (1) is provided with a driving installation rod (3), the rear end of the driving installation rod (3) is provided with a sleeve head (4), and the front side surface of the sleeve head (4) is provided with an installation hole (6) matched with the driving installation rod (3);

the outer surface of the driving installation rod (3) is respectively provided with two clamping holes (9), two built-in cavities (10) are respectively arranged in the sleeve head (4), the connecting structures in the two built-in cavities (10) are the same and are arranged in a mirror image mode, clamping rods (11) with one ends penetrating into the installation holes (6) and the other ends penetrating through the sleeve head (4) are slidably connected in the built-in cavities (10), meanwhile, the clamping rods (11) are slidably connected with the inner wall of the sleeve head (4), and one ends, located in the installation holes (6), of the clamping rods (11) are matched with the clamping holes (9);

the outer surface of one end of the driving installation rod (3) close to the sleeve head (4) is fixedly connected with two butt joint blocks (7) which are arranged in a symmetrical mode, and the inner wall of the installation hole (6) is respectively provided with two butt joint grooves (8) which are matched with the butt joint blocks (7) and extend out of the front side surface of the sleeve head (4).

2. A high-safety fastening device for transmission lines according to claim 1, characterized in that: one end of the clamping rod (11) positioned in the built-in cavity (10) is fixedly sleeved with a limiting plate (12), the lower surface of the limiting plate (12) is fixedly connected with a reset tension spring (13) which is movably sleeved on the clamping rod (11) and the other end of the reset tension spring is fixedly connected to the inner wall of the built-in cavity (10).

3. A high-safety fastening device for transmission lines according to claim 1, characterized in that: one end of the driving installation rod (3) close to the sleeve head (4) is in a circular truncated cone shape.

4. A high-safety fastening device for transmission lines according to claim 1, characterized in that: the butt-joint blocks (7) are arranged to be triangular.

5. A high-safety fastening device for transmission lines according to claim 1, characterized in that: the front side surface of the control box body (1) is provided with an insulating rotating rod (5) of which the rear end penetrates into the control box body (1) and is rotationally connected with the front wall of the control box body (1), and the front end of the driving installation rod (3) penetrates into the control box body (1) and is rotationally connected with the rear wall of the control box body (1).

6. A high safety fastening device for transmission lines according to claim 5, characterized in that: control groove (14) have been seted up to the front side surface of drive installation pole (3), the rear end fixedly connected with of insulating dwang (5) extends driving gear (15) in control groove (14), is provided with tooth (17) on the inner wall of control groove (14), and the meshing is connected with three driven gear (16) respectively between tooth (17) and driving gear (15).