Extra-high voltage wire drawing head

Abstract

The utility model discloses an extra-high voltage wire traction head in the technical field of wire traction heads, which comprises a traction rod, a traction head is assembled at the top end of the traction rod, a driving rod is assembled at the lower end of the traction rod, and a clamping block a is assembled on the inner wall of the upper side of the traction head; a clamping block b is assembled on the inner wall of the upper side of the traction head, a clamping assembly is installed on the side wall of the clamping block a, and a driving opening is formed in the side wall of the upper end of the traction rod. A driven gear is assembled at the driving port, a screw is mounted on the inner wall of the traction head, and the lower end of the screw is connected with the driven gear; a through hole is formed in the side wall of the clamping block a, an inner screw cylinder is installed in the through hole, and the inner screw cylinder is connected to the outer portion of the screw in a threaded mode; according to the arrangement of the extra-high voltage wire drawing head, the two clamping blocks can be driven to move relatively through the internal transmission mechanism, the clamping assemblies are arranged on the clamping blocks, the wire can be drawn and clamped, the extra-high voltage wire drawing head can be suitable for wires of different diameters through cooperation of the clamping assemblies, and then the operation capacity is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire traction head technical field, concretely is a kind of ultrahigh voltage wire traction head. BACKGROUND

[0002] Ultra-high voltage transmission refers to using 500 kilovolts-1000 kilovolts voltage grade to transport electric energy, if 220 kilovolts transmission index is 100%, the relative investment of ultra-high voltage transmission per kilometer, the relative cost of electric power transmission per kilowatt hour 100 kilometers and metal material consumption, etc. are greatly reduced, and the utilization rate of line corridor is obviously improved. The wire fixing device is a product used to fix the cable after cable laying and installation, which allows the cable to occupy the correct position and prevents the cable from moving due to external force or gravity. Through the fixation of the wire fixing device, the laid cable is arranged neatly without cross arrangement, and the loss caused by eddy current is prevented. The wire needs to be clamped and pulled by the traction head during laying.

[0003] However, the wire traction head in the prior art still has some problems, such as inconvenience in pulling wires of different diameters, which affects operation, and therefore the prior art needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing an ultrahigh voltage wire traction head to solve the problem of inconvenience in pulling wires of different diameters, which affects operation, as mentioned in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an ultrahigh voltage wire traction head, comprising a traction rod, a traction head assembled at the top end of the traction rod, a drive rod assembled at the lower end of the traction rod, a clamping block a assembled on the upper inner wall of the traction head;

[0006] A clamping block b is assembled on the upper inner wall of the traction head, a clamping assembly is installed on the side wall of the clamping block a, and a drive port is formed in the upper end side wall of the traction rod.

[0007] A driven gear is assembled at the drive port, a screw is installed on the inner wall of the traction head, and the lower end of the screw is connected with the driven gear.

[0008] A through port is formed in the side wall of the clamping block a, an inner screw cylinder is installed in the through port, and the inner screw cylinder is screwed on the outside of the screw.

[0009] A rotating shaft is assembled in the inside of the traction rod, a driving gear is installed at the top end of the rotating shaft, and the driving gear and the driven gear are engaged.

[0010] As a kind of the utility model discloses a kind of high-voltage wire traction heads, the clamping assembly includes the fixed plate installed in the side wall of clamping block a, the side wall of the fixed plate is equipped with telescopic link, the end of telescopic link is equipped with universal seat, universal seat is internally provided with rotation cavity, the inside of rotation cavity is equipped with universal ball.

[0011] As a kind of the utility model discloses a kind of high-voltage wire traction heads, spring is sleeved between fixed plate and universal seat outside telescopic link.

[0012] As a kind of the utility model discloses a kind of high-voltage wire traction heads, the inside wall of rotation cavity is evenly provided with rotation groove along its axis, and the inside of rotation groove is equipped with ball.

[0013] As a kind of the utility model discloses a kind of high-voltage wire traction heads, the top of driving rod is equipped with connecting rod, the bottom of traction rod is provided with through hole, and the top of connecting rod is connected with rotation shaft after passing through through hole.

[0014] As a kind of the utility model discloses a kind of high-voltage wire traction heads, rubber pad is sleeved outside driving rod.

[0015] As a kind of the utility model discloses a kind of high-voltage wire traction heads, the inside wall of clamping block b is provided with traction groove.

[0016] Compared with prior art, the utility model has the advantages that the high-voltage wire traction head is provided, and the structure is reasonable in design.

[0017] By being provided with two clamping blocks inside traction head, two clamping blocks can be driven to move relatively by internal transmission mechanism, and the clamping assembly is provided on clamping block, so that wire can be pulled and clamped, and the clamping assembly can be suitable for wires with different diameters, thereby improving operation ability. DETAILED DESCRIPTION

[0018] Figure 1 It is front view three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is front view structure schematic diagram of the utility model;

[0020] Figure 3 It is A part structure schematic diagram of the utility model;

[0021] Figure 4 It is clamping assembly schematic diagram of the utility model.

[0022] Fig. 1, traction rod; 2, drive rod; 3, traction head; 4, clamping block a; 5, clamping block b; 6, driven gear; 7, drive port; 8, through port; 9, connecting rod; 10, rotating shaft; 11, driving gear; 12, screw rod; 13, clamping assembly; 131, telescopic rod; 132, fixed plate; 133, spring; 134, universal seat; 135, rotating cavity; 136, universal ball; 137, rotating groove; 138, ball bearing; 14, inner screw cylinder; 15, through hole; 16, traction groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0024] Please refer to Figures 1-4 The present application provides a technical solution:

[0025] In the technical solution, a traction head for extra-high voltage conductor includes a traction rod 1, characterized in that: the top end of the traction rod 1 is assembled with a traction head 3, the lower end of the traction rod 1 is assembled with a drive rod 2, the upper inner wall of the traction head 3 is assembled with a clamping block a 4; the upper inner wall of the traction head 3 is assembled with a clamping block b 5, the side wall of the clamping block a 4 is installed with a clamping assembly 13, the upper end side wall of the traction rod 1 is provided with a drive port 7; the drive port 7 is assembled with a driven gear 6, the inner wall of the traction head 3 is installed with a screw rod 12, the lower end of the screw rod 12 is connected with the driven gear 6; the side wall of the clamping block a 4 is provided with a through hole 15, the through hole 15 is installed with an inner screw cylinder 14, the inner screw cylinder 14 is screwed on the outside of the screw rod 12; the inside of the traction rod 1 is assembled with a rotating shaft 10, the top end of the rotating shaft 10 is installed with a driving gear 11, the driving gear 11 and the driven gear 6 are engaged.

[0026] In this technical solution, the traction head 3 is U-shaped, fixed at the top end of the traction rod 1, the clamping block b 5 is fixed at the inner bottom end of the traction head 3, the clamping block a 4 can move towards the clamping block b 5, thereby clamping the conductor, there is a thread cooperation between the screw rod 12 and the inner screw cylinder 14, thereby rotating the screw rod 12, the clamping block a 4 moves up and down on the outside of the screw rod 12 under the action of the inner screw cylinder 14, the driving gear 11 is driven to rotate by the rotating shaft 10, thereby driving the driven gear 6 to rotate.

[0027] In some technical solutions, the clamping assembly 13 comprises a fixed plate 132 mounted on the side wall of the clamping block a4, a telescopic rod 131 mounted on the side wall of the fixed plate 132, a universal seat 134 mounted on the end of the telescopic rod 131, a rotating cavity 135 formed in the universal seat 134, a universal ball 136 mounted in the rotating cavity 135, and a spring 133 sleeved on the telescopic rod 131 between the fixed plate 132 and the universal seat 134.

[0028] In this technical solution, the telescopic rod 131 and the spring 133 can protect the clamped wire.

[0029] In some technical solutions, rotating grooves 137 are uniformly formed in the inner wall of the rotating cavity 135 along the axis, and the rotating grooves 137 are internally provided with rolling balls 138.

[0030] In this technical solution, the rolling balls 138 can improve the rotating efficiency of the universal ball 136.

[0031] In some technical solutions, the top end of the driving rod 2 is provided with a connecting rod 9, the bottom end of the traction rod 1 is provided with a through hole 8, and the top end of the connecting rod 9 is connected to the rotating shaft 10 after penetrating through the through hole 8.

[0032] In this technical solution, the driving rod 2 can drive the rotating shaft 10 to rotate.

[0033] In some technical solutions, the driving rod 2 is externally sleeved with a rubber pad layer.

[0034] In this technical solution, the rubber pad layer can protect the driving rod 2.

[0035] In some technical solutions, the inner wall of the clamping block b5 is provided with a traction groove 16.

[0036] In this technical solution, the wire can be clamped in the traction groove 16.

[0037] Working principle:

[0038] In use, first, the traction head 2 is placed at the wire, and the wire is placed in the traction groove 16, then the driving rod 2 is rotated, the driving rod 2 drives the rotating shaft 10 to rotate, at this time, under the cooperation of the driving gear 11 and the driven gear 5, the driving screw 12 is rotated, the clamping block a4 is moved downward under the action of the inner screw cylinder 14, and then the wire is clamped by the clamping assembly 13, and the traction can be performed.

[0039] It is to be noted that, in the present text, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] Although the present application has been described with reference to the embodiments above, it is possible to make various modifications thereto and to replace components thereof with equivalents without departing from the scope of the present application. In particular, each feature disclosed in the embodiments of the present application can be used in combination with any other feature disclosed in the embodiments of the present application, provided that there is no structural conflict. The combinations of features are not exhaustively described in the present specification only for the sake of brevity and resource saving. Therefore, the present application is not limited to the particular embodiments disclosed in the present specification but encompasses all technical solutions falling within the scope of the claims.

Claims

1. An extra high voltage conductor pulling head comprising a pulling rod (1), characterized in that: The top end of the traction rod (1) is equipped with a traction head (3), the lower end of the traction rod (1) is equipped with a driving rod (2), the upper inner wall of the traction head (3) is equipped with a clamping block a (4); The upper inner wall of the traction head (3) is equipped with a clamping block b (5), the side wall of the clamping block a (4) is provided with a clamping assembly (13), the upper end side wall of the traction rod (1) is provided with a driving port (7); The driving port (7) is equipped with a driven gear (6), the inner wall of the traction head (3) is provided with a screw rod (12), and the lower end of the screw rod (12) is connected with the driven gear (6); The side wall of the clamping block a (4) is provided with a through hole (15), the through hole (15) is provided with an inner screw cylinder (14), and the inner screw cylinder (14) is screwed on the outside of the screw rod (12); The inside of the traction rod (1) is equipped with a rotating shaft (10), the top end of the rotating shaft (10) is provided with a driving gear (11), and the driving gear (11) and the driven gear (6) are engaged.

2. The extra-high voltage conductor pulling head of claim 1, wherein, The clamping assembly (13) comprises a fixed plate (132) mounted on the side wall of the clamping block a (4), the side wall of the fixed plate (132) is provided with a telescopic rod (131), the end of the telescopic rod (131) is provided with a universal seat (134), the inside of the universal seat (134) is provided with a rotating cavity (135), and the inside of the rotating cavity (135) is provided with a universal ball (136).

3. The extra-high voltage conductor pulling head of claim 2, wherein, The outside of the telescopic rod (131) is sleeved with a spring (133) between the fixed plate (132) and the universal seat (134).

4. The extra-high voltage conductor pulling head of claim 2, wherein, The inner wall of the rotating cavity (135) is uniformly provided with a rotating groove (137) along its axis, and the inside of the rotating groove (137) is provided with a ball (138).

5. The extra-high voltage conductor pulling head of claim 1, wherein, The top end of the driving rod (2) is provided with a connecting rod (9), the bottom end of the traction rod (1) is provided with a through port (8), and the top end of the connecting rod (9) is connected with the rotating shaft (10) after penetrating through the through port (8).

6. The extra-high voltage conductor pulling head of claim 5, wherein, The outside of the driving rod (2) is sleeved with a rubber cushion layer.

7. The extra-high voltage conductor pulling head of claim 1, wherein, The inner wall of the clamping block b (5) is provided with a traction groove (16).

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