Preformed anti-chattering hammer and its mounting method

Abstract

The application discloses a pre-twisted type anti-vibration hammer and a mounting method thereof and belongs to the technical field of anti-vibration hammers. The pre-twisted type anti-vibration hammer comprises a wire clamp body, a steel wire and a hammer head, the two ends of the steel wire are fixedly connected with the hammer head, the wire clamp body comprises a fixed sleeve, a connecting plate, a mounting plate and a movable nut, the fixed sleeve is fixedly sleeved with the steel wire, the upper end of the fixed sleeve is fixedly connected with the connecting plate, and the end portion of the connecting plate is fixedly connected with the mounting plate. The application solves the problem of poor stability of the existing clamp head, the pre-twisted type anti-vibration hammer and the mounting method thereof are provided, the wire clamp body is provided with a clamping frame, the upper end of the cable can be wrapped after the clamping frame is closed, compared with the clamp head with a V-shaped structure, the connection between the wire clamp body and the cable is more stable, the pre-twisted wire has a double-helix structure, loosening between the clamping frame and the pre-twisted wire is prevented, and the firmness of the pre-twisted wire installation is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of damper, in particular to a pre-twisted damper and a mounting method thereof. BACKGROUND

[0002] The overhead power line is affected by weather conditions such as wind, ice and low temperature, which can cause the power line to vibrate or sway. The damper is hung at the suspension point of the line tower, which can absorb or weaken the vibration energy, change the swing frequency of the line, and prevent the vibration or sway of the line.

[0003] The Chinese patent with publication number CN205791402U discloses a new pre-twisted damper, which comprises a wire clamp, a chuck is arranged at the top of the wire clamp, a pre-twisted wire is fixed in the chuck, the pre-twisted wire is in a double helix shape, a steel strand is fixed at the bottom of the wire clamp, and a hammer head is fixed at both ends of the steel strand. The new pre-twisted damper is also provided with a snow melting and water removing mechanism.

[0004] The technical scheme provided by the utility model can be firmly and stably clamped on the conductor and will not be detached from the conductor. The chuck of the above patent is in a V-shaped structure, and the upper end is only fixed by the pre-twisted wire. In actual use, the stability is poor, and looseness is prone to occur. In addition, it is not easy to fix the position during installation, and the position can be fixed only after the pre-twisted wire is tightly wound, so the installation is not easy. SUMMARY

[0005] The present application aims to provide a pre-twisted damper and a mounting method thereof. By arranging a soft fixing member and a clamping frame, the connection between the wire clamp body and the cable is strengthened, and the connection between the wire clamp body and the cable can be achieved before the pre-twisted wire is installed, thereby solving the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a pre-twisted damper, comprising a wire clamp body, a steel strand and a hammer head, both ends of the steel strand are fixedly connected with the hammer head, the wire clamp body comprises a fixed sleeve, a connecting plate, a mounting plate and a movable nut, the fixed sleeve is fixedly sleeved with the steel strand, the upper end of the fixed sleeve is fixedly connected with the connecting plate, the end of the connecting plate is fixedly connected with the mounting plate, the mounting plate is movably connected with symmetrically arranged clamping frames, the connecting plate is provided with a movable slot, the lower end of the movable slot is movably connected with the movable nut, the upper end of the movable slot is movably connected with a soft fixing member, and the soft fixing member is engaged with the clamping frame.

[0007] Preferably, notches are symmetrically arranged on both sides of the movable slot, an extension cylinder is fixedly connected to the middle position of the lower end of the notch, and a limiting slide rail is arranged at the upper end of the extension cylinder and movably connected with the movable nut.

[0008] Preferably, the clamping frame comprises symmetrical synchronous bending frames, guide pipes arranged between the synchronous bending frames, and a driving gear, the central shaft of the driving gear penetrating the synchronous bending frames, and the central shaft of the driving gear being connected to the mounting plate through a bearing.

[0009] Preferably, the guide pipes are at least three, and pre-stranding wires are arranged in the guide pipes, and first external teeth are arranged on the outer walls of the guide pipes at the ends of the synchronous bending frames.

[0010] Preferably, the soft fixing member comprises a first fixing edge, a second fixing edge, and a fixing screw, the lower ends of the first fixing edge and the second fixing edge being movably connected, the fixing screw being arranged at the connection position of the first fixing edge and the second fixing edge, and the lower end of the fixing screw being engaged with a movable nut.

[0011] Preferably, second external teeth are arranged on the outer walls of the first fixing edge and the second fixing edge, the second external teeth being engaged with the driving gear, and the second external teeth being matched with the first external teeth.

[0012] Preferably, the length of the second external teeth is matched with the gap.

[0013] Preferably, limit grooves and protruding strips are arranged on the inner walls of the first fixing edge and the second fixing edge, and the limit grooves and the protruding strips are matched.

[0014] Preferably, the pre-stranding wires penetrate the guide pipes, and the pre-stranding wires extend out of the two ends of the guide pipes.

[0015] Another technical problem to be solved by the present application is to provide a mounting method of the pre-stranding type anti-vibration hammer, comprising the following steps:

[0016] S1: separating the upper ends of the first fixing edge and the second fixing edge, and clamping the cable from both sides of the cable with the first fixing edge and the second fixing edge until the cable is completely wrapped in the clamping frame;

[0017] S2: rotating the movable nut, the movable nut rotating and driving the fixing screw to move downward, the first fixing edge and the second fixing edge being pulled to move downward, and the second external teeth on the first fixing edge and the second fixing edge driving the driving gear to rotate;

[0018] S3: the synchronous bending frames rotating towards each other, the guide pipes at the ends of the synchronous bending frames moving towards each other, the first fixing edge and the second fixing edge being bent around the cable, until the first external teeth and the second external teeth are engaged, and the separated ends of the first fixing edge and the second fixing edge being pushed to merge;

[0019] S4: winding the two ends of the pre-stranding wires on the cable in a spiral manner, and the pre-stranding wires on different clamping frames being in different spiral directions.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1、The present application is provided with clamping frame on the wire clamp body, the clamping frame is movable structure, the clamping frame can realize the wrapping of the upper end of cable after closing, compared with the V-shaped structure of the chuck, the connection of the wire clamp body and the cable is more stable;

[0022] 2、The present application is provided with soft fixing piece between the clamping frame, the soft fixing piece realizes the fit wrapping of cable, under the clamping of the clamping frame, the soft fixing piece deforms and fills the gap between the clamping frame, so as to further stabilize the connection between the wire clamp body and the cable, when the pre-stranding wire is wound, the fixed wire clamp body and the cable can be fixed, which is convenient for pre-stranding wire winding;

[0023] 3、The present application is provided with second outer tooth on the outer wall of the first fixed edge and the second fixed edge, the second outer tooth is meshed with the driving gear, the first fixed edge and the second fixed edge are pulled, the driving gear is rotated at the same time, the clamping frame is rotated, and one end of the first fixed edge and the second fixed edge is sealed at the same time, the soft fixing piece and the clamping frame interact and work cooperatively;

[0024] 4、The present application is provided with fixed screw on the connecting position of the first fixed edge and the second fixed edge, the lower end of the fixed screw is meshed with the movable nut, the movable nut is rotated, the soft fixing piece and the clamping frame work at the same time, which is convenient for installation and easy to control;

[0025] 5、The present application is provided with pre-stranding wire separated by guide pipe, the wrapping area of the pre-stranding wire on the whole clamping frame is expanded, the pre-stranding wire is double helix structure, which prevents the loosening between the clamping frame and the pre-stranding wire, and improves the firmness of pre-stranding wire installation. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the overall structure diagram of the pre-stranding type anti-vibration hammer of the present application;

[0027] Figure 2 It is the structure diagram of the wire clamp body of the present application;

[0028] Figure 3 It is the Figure 2 exploded view of the present application;

[0029] Figure 4 It is the structure diagram of the soft fixing piece of the present application;

[0030] Figure 5 It is the connection structure diagram of the soft fixing piece and the clamping frame of the present application;

[0031] Figure 6 It is the working state diagram of the soft fixing piece and the clamping frame of the present application;

[0032] Figure 7 It is the installation state diagram of the pre-stranding type anti-vibration hammer of the present application.

[0033] In the figure: 1, wire clamp body; 11, fixed sleeve; 12, connecting plate; 121, movable groove; 1211, notch; 122, extension cylinder; 13, mounting plate; 14, movable nut; 2, steel wire; 3, hammer head; 4, clamping frame; 41, synchronous bending frame; 42, guide pipe; 421, first external tooth; 43, drive gear; 5, soft fixing piece; 51, first fixing edge; 511, second external tooth; 512, limiting groove; 513, protruding strip; 52, second fixing edge; 53, fixed screw rod; 6, pre-wire. DETAILED DESCRIPTION

[0034] 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.

[0035] In order to solve the problem that the existing clamp head is V-shaped structure, the upper end is only fixed by pre-wire 6, and in the actual use process, the stability is poor and the looseness problem is prone to occur, please refer to Figures 1-3 and Figure 7 The technical solutions provided by the embodiments are as follows:

[0036] A pre-wire type anti-vibration hammer, comprising a wire clamp body 1, a steel wire 2 and a hammer head 3, both ends of the steel wire 2 are fixedly connected with the hammer head 3, the wire clamp body 1 comprises a fixed sleeve 11, a connecting plate 12, a mounting plate 13 and a movable nut 14, the fixed sleeve 11 is fixedly sleeved with the steel wire 2, the upper end of the fixed sleeve 11 is fixedly connected with the connecting plate 12, the end of the connecting plate 12 is fixedly connected with the mounting plate 13, the mounting plate 13 is movably connected with the symmetrically arranged clamping frames 4, the connecting plate 12 is provided with a movable groove 121, the lower end of the movable groove 121 is movably connected with the movable nut 14, the upper end of the movable groove 121 is movably connected with a soft fixing piece 5, and the soft fixing piece 5 is engaged with the clamping frame 4.

[0037] Notches 1211 are symmetrically arranged on both sides of the movable groove 121, an extension cylinder 122 is fixedly connected to the middle position of the lower end of the notch 1211, the upper end of the extension cylinder 122 is provided with a limiting slide rail, and the limiting slide rail is movably connected with the movable nut 14.

[0038] Specifically, the movable nut 14 can rotate movably at the upper end of the extension cylinder 122, and the extension cylinder 122 provides space for the downward extension of the fixed screw rod 53.

[0039] The clamping frame 4 comprises symmetrical synchronous bending frames 41, guide pipes 42 arranged between the synchronous bending frames 41, and a driving gear 43, the central shaft of the driving gear 43 penetrating the synchronous bending frames 41, and the central shaft of the driving gear 43 being connected with the mounting plate 13 through a bearing.

[0040] Specifically, the synchronous bending frames 41 rotate on the mounting plate 13 through the central shaft of the driving gear 43, and the driving gear 43 rotates simultaneously with the synchronous bending frames 41.

[0041] The guide pipes 42 are at least three, and the pre-stranding wire 6 is arranged in the guide pipes 42, and the outer wall of the guide pipe 42 arranged at the end of the synchronous bending frame 41 is provided with a first outer tooth 421.

[0042] Specifically, the pre-stranding wire 6 is arranged separately through the guide pipes 42, so as to expand the wrapping area of the pre-stranding wire 6 on the whole clamping frame 4, and the pre-stranding wire 6 is arranged in a penetrating manner on the clamping frame 4, so as to improve the connection firmness of the pre-stranding wire 6 and the clamping frame 4, prevent looseness between the clamping frame 4 and the pre-stranding wire 6, and improve the installation firmness of the pre-stranding wire 6.

[0043] The pre-stranding wire 6 penetrates the guide pipe 42, and the two ends of the pre-stranding wire 6 extend out of the guide pipe 42.

[0044] Specifically, a complete set of pre-stranding wires 6 is arranged on the clamping frame 4, and two sets of pre-stranding wires 6 are correspondingly arranged on the two clamping frames 4, and the pre-stranding wires 6 are arranged in a double helix manner during installation, so as to fix the anti-vibration hammer, and the clamping frame 4 wraps the cable, so as to improve the connection firmness of the cable and the clamp body 1.

[0045] In order to solve the problem that it is not easy to fix the position during installation, the pre-stranding wire 6 needs to be tightly wound to realize position fixing, and it is not easy to install, please refer to Figures 3-7 The embodiment provides the following technical scheme:

[0046] The soft fixing part 5 comprises a first fixing edge 51, a second fixing edge 52, and a fixing screw 53, the lower ends of the first fixing edge 51 and the second fixing edge 52 are movably connected, the fixing screw 53 is arranged at the connection position of the first fixing edge 51 and the second fixing edge 52, and the lower end of the fixing screw 53 is engaged with the movable nut 14.

[0047] Specifically, the first fixing edge 51 and the second fixing edge 52 are made of plastic or soft metal material, and are folded into an integral structure or are connected through a hinge, so that the first fixing edge 51 and the second fixing edge 52 can be flipped, and the lower ends of the first fixing edge 51 and the second fixing edge 52 are fixed through the engagement of the fixing screw 53 and the movable nut 14.

[0048] The outer wall of the first fixed edge 51 and the second fixed edge 52 is provided with a second outer tooth 511, which is engaged with the driving gear 43, and the second outer tooth 511 is matched with the first outer tooth 421.

[0049] Specifically, pulling down the first fixed edge 51 and the second fixed edge 52 can make the second outer tooth 511 move downward, and correspondingly drive the driving gear 43 to rotate, so as to control the synchronous bending frame 41 to rotate towards each other, the guide pipe 42 at the end of the synchronous bending frame 41 is close to each other, the first outer tooth 421 is engaged with the second outer tooth 511, the contact area of the guide pipe 42 with the first fixed edge 51 and the second fixed edge 52 is increased, and the firmness of the guide pipe 42 to the first outer tooth 421 and the second outer tooth 511 is improved.

[0050] The length of the second outer tooth 511 is matched with the gap 1211.

[0051] Specifically, the gap 1211 provides space for the up-and-down movement of the second outer tooth 511, and the driving gear 43 is engaged with the second outer tooth 511 through the gap 1211.

[0052] The inner wall of the first fixed edge 51 and the second fixed edge 52 is provided with a limiting groove 512 and a protruding strip 513, and the limiting groove 512 and the protruding strip 513 are matched.

[0053] Specifically, the limiting groove 512 on the first fixed edge 51 is engaged with the protruding strip 513 on the second fixed edge 52, and the protruding strip 513 on the first fixed edge 51 is engaged with the limiting groove 512 on the second fixed edge 52 on the second fixed edge 52, which prevents the first fixed edge 51 and the second fixed edge 52 from being dislocated, the inner wall of the first fixed edge 51 and the second fixed edge 52 is provided with an anti-skid rubber pad, which can increase the firmness of the first fixed edge 51, the second fixed edge 52 and the cable connection, and after the first fixed edge 51 and the second fixed edge 52 wrap the cable, the upper end of the wire clamp body 1 can be fixed under the clamping of the clamping frame 4, which facilitates the winding of the pre-stranding wire 6.

[0054] In order to better show the installation process of the pre-stranding type anti-vibration hammer, the present embodiment proposes an installation method of the pre-stranding type anti-vibration hammer, which comprises the following steps:

[0055] Step one: separate the upper ends of the first fixed edge 51 and the second fixed edge 52, and clamp the cable from both sides of the cable with the first fixed edge 51 and the second fixed edge 52 until the cable is completely wrapped in the clamping range of the clamping frame 4;

[0056] Step two: rotate the movable nut 14, the movable nut 14 rotates, drives the fixed screw rod 53 to move downward, pulls the first fixed edge 51 and the second fixed edge 52 to move downward, and the second outer tooth 511 on the first fixed edge 51 and the second fixed edge 52 drives the driving gear 43 to rotate;

[0057] Step three: the synchronous bending frame 41 rotates towards each other, the guide pipe 42 at the end of the synchronous bending frame 41 moves towards each other, the first fixed edge 51 and the second fixed edge 52 are bent around the cable, until the first outer tooth 421 engages with the second outer tooth 511, the ends of the first fixed edge 51 and the second fixed edge 52 are pushed to merge, connected through the limiting groove 512 and the protruding strip 513, and the cable is fixed by the first fixed edge 51, the second fixed edge 52 and the clamping frame 4;

[0058] Step four: the two ends of the pre-stranding wire 6 are spirally wound on the cable, and the pre-stranding wires 6 on different clamping frames 4 are in different spiral directions.

[0059] In summary: the pre-stranding type anti-vibration hammer and the installation method thereof provided by the application, the wire clamp body 1 is provided with the clamping frame 4, the clamping frame 4 is movable, and the clamping frame 4 can wrap the upper end of the cable after being closed, compared with the V-shaped structure of the clamp, the connection between the wire clamp body 1 and the cable is more stable; the soft fixing part 5 is arranged between the clamping frames 4, the soft fixing part 5 is wrapped and fitted to the cable, under the clamping of the clamping frame 4, the soft fixing part 5 deforms to fill the gap between the clamping frames 4, thereby further stabilizing the connection between the wire clamp body 1 and the cable, when the pre-stranding wire 6 is wound, the wire clamp body 1 and the cable are fixed, and the pre-stranding wire 6 is wound conveniently; the outer wall of the first fixed edge 51 and the second fixed edge 52 is provided with the second outer tooth 511, the second outer tooth 511 engages with the driving gear 43, the first fixed edge 51 and the second fixed edge 52 are pulled, and the driving gear 43 is rotated at the same time, the clamping frame 4 rotates, and one end of the first fixed edge 51 and the second fixed edge 52 is sealed at the same time, the soft fixing part 5 and the clamping frame 4 interact and work cooperatively; the fixed screw 53 is arranged at the connection position of the first fixed edge 51 and the second fixed edge 52, the lower end of the fixed screw 53 engages with the movable nut 14, the movable nut 14 is rotated, the soft fixing part 5 and the clamping frame 4 work at the same time, the installation is convenient, and the control is easy; the pre-stranding wire 6 is arranged separately through the guide pipe 42, the wrapping area of the pre-stranding wire 6 on the whole clamping frame 4 is expanded, the pre-stranding wire 6 has a double helix structure, the loosening between the clamping frame 4 and the pre-stranding wire 6 is prevented, and the firmness of the pre-stranding wire 6 installation is improved.

[0060] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it should be taken in its broadest possible sense. For example, the terms "a", "an", and "the" include both singular and plural referents unless the context clearly dictates otherwise. The terms "comprises", "comprising", "includes", "including" and the like can be used in conjunction with the term "consisting of to include the elements or steps listed after such conjunctive language, but not to the exclusion of other elements or steps. The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise.

[0061] While the embodiments of the application have been shown and described, it is to be understood that the application is not limited to these embodiments. Rather, it is the intent that all variations and modifications, which fall within the spirit and broad scope of the underlying principles and application disclosed herein, are to be regarded as within the scope of the application. Various embodiments of the application have been described in fulfillment of the various objectives of the application. It should be recognized that numerous modifications and adaptations thereof will be apparent to those skilled in the art. For example, although the application has been described in the context of a single user, the application can be used in a multi-user environment. Although the application has been described in the context of a single computer, the application can be used in a networked environment. Although the application has been described in the context of a single computer, the application can be used in a multi-computer environment. Although the application has been described in the context of a single computer, the application can be used in a multi-computer environment. Although the application has been described in the context of a single computer, the application can be used in a multi-computer environment. Although

Claims

1. A pre-stranded anti-chattering hammer, comprising a wire clamp body (1), a steel strand (2) and a hammer head (3), both ends of the steel strand (2) being fixedly connected with the hammer head (3), characterized in that: The wire clamp body (1) comprises a fixing sleeve (11), a connecting plate (12), a mounting plate (13) and a movable nut (14), the fixing sleeve (11) is fixedly sleeved with the steel wire (2), the upper end of the fixing sleeve (11) is fixedly connected with the connecting plate (12), the end of the connecting plate (12) is fixedly connected with the mounting plate (13), the symmetrically arranged clamping frames (4) are movably connected between the mounting plates (13), the movable grooves (121) are formed in the connecting plate (12), the lower end of the movable groove (121) is movably connected with the movable nut (14), and the upper end of the movable groove (121) is movably connected with the soft fixing piece (5), and the soft fixing piece (5) is engaged with the clamping frame (4). The clamping frame (4) comprises symmetrically arranged synchronous bending frames (41), guide pipes (42) arranged between the synchronous bending frames (41) and drive gears (43), the central shaft of the drive gear (43) penetrates the synchronous bending frame (41), and the central shaft of the drive gear (43) is connected with the mounting plate (13) through a bearing; The guide pipe (42) is provided with at least three guide pipes (42), the pre-wire (6) is arranged in the guide pipe (42), and the first external tooth (421) is arranged on the outer wall of the guide pipe (42) arranged at the end of the synchronous bending frame (41); The soft fixing piece (5) comprises a first fixing edge (51), a second fixing edge (52) and a fixing screw (53), the lower ends of the first fixing edge (51) and the second fixing edge (52) are movably connected, the fixing screw (53) is arranged at the connection position of the first fixing edge (51) and the second fixing edge (52), and the lower end of the fixing screw (53) is engaged with the movable nut (14); The outer wall of the first fixing edge (51) and the second fixing edge (52) is provided with a second external tooth (511), the second external tooth (511) is engaged with the drive gear (43), and the second external tooth (511) is matched with the first external tooth (421).

2. The pre-stranded anti-chuffing hammer of claim 1, wherein: The two sides of the movable groove (121) are symmetrically provided with notches (1211), the middle position of the lower end of the notch (1211) is fixedly connected with an extension cylinder (122), the upper end of the extension cylinder (122) is provided with a limiting sliding rail, and the limiting sliding rail is movably connected with the movable nut (14).

3. The pre-stranded anti-chuff hammer of claim 2, wherein: The length of the second external tooth (511) is matched with the notch (1211).

4. The pre-stranded anti-chuff hammer of claim 3, wherein: The inner wall of the first fixing edge (51) and the second fixing edge (52) is provided with a limiting groove (512) and a protruding strip (513), and the limiting groove (512) and the protruding strip (513) are matched.

5. The pre-stranded anti-chuff hammer of claim 4, wherein: The pre-wire (6) penetrates the guide pipe (42), and the two ends of the pre-wire (6) extend out of the guide pipe (42).

6. A method of installing a preassembled surge absorber according to claim 5, characterized in that The method comprises the following steps: S1: separate the upper ends of the first fixing edge (51) and the second fixing edge (52), clamp the cable from both sides of the cable until the cable is completely wrapped in the clamping frame (4); S2: twist the movable nut (14), the movable nut (14) rotates, drives the fixed screw (53) to move downward, pulls the first fixed edge (51) and the second fixed edge (52) to move downward, the second outer tooth (511) on the first fixed edge (51) and the second fixed edge (52) drives the drive gear (43) to rotate; S3: the synchronous bending frame (41) rotates towards each other, the guide pipe (42) at the end of the synchronous bending frame (41) approaches towards each other, the first fixed edge (51) and the second fixed edge (52) are bent and deformed around the cable, until the first outer tooth (421) and the second outer tooth (511) are engaged, the end of the first fixed edge (51) and the second fixed edge (52) separated is pushed to the merging; S4: the two ends of the pre-stranded wire (6) are spirally wound on the cable, the pre-stranded wire (6) on the different clamping frames (4) is in different spiral directions.

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