CN214314265U - Novel two-wheel winding type tightener - Google Patents

Abstract

The utility model discloses a novel two-wheel winding type tightener, the tightener mechanism comprises two fixed plates, two wheel shafts and a connecting bolt, two rotating wheels are arranged between the two fixed plates at intervals, each rotating wheel is sleeved on one wheel shaft, the upper end of each wheel shaft respectively penetrates through the fixed plates, the end part of each wheel shaft is provided with a ratchet wheel, the fixed plates are provided with two ratchet teeth, each ratchet tooth is matched with the adjacent ratchet wheel, the upper ends of the two wheel shafts are respectively provided with a bayonet, and the two wheel shafts can be matched with a tightening handle in a clamping way; the wire clamping mechanism comprises a left clamping plate, a right clamping plate and a connecting bolt, one end of the left clamping plate is connected with the pulley yoke through a U-shaped fixing frame, a pulley is arranged on the pulley yoke, and a steel wire rope is arranged on the pulley. The utility model discloses realize the continuous turn-buckle of one-time installation, the turnbuckle efficiency commonly used has promoted the multiplicates relatively.

Description

Novel two-wheel winding type tightener

The technical field is as follows:

the utility model relates to a communication line engineering construction maintenance technique especially relates to a novel turn-buckle of double round wound form.

Background art:

in the construction of the current overhead line, the return of the terminal of the suspension wire is made, namely the suspension wire is tightened and terminated, and the used wire tightening tool brings more problems to the work and is mainly embodied in the following aspects:

(1) the construction time is long. The engineering is erect to overhead pole way, and the messenger returns the head at suspension wire terminal (the termination is tightened up) to 5 pole shelves are about 7m for the tight line range of a set of, and at present used turn-buckle, a tight line length is about 2m, need dismouting tensioner repeatedly like this, and will carry out 4 times about tight line operations, just can accomplish the preparation that the suspension wire terminal that a set of pole way returns the head.

(2) The construction difficulty is high. The wire tightening mode of present used turn-buckle need divide two strands of steel strands from seven strand steel strand wires hanging wire earlier and go up to turn-buckle pulley groove and fix, then use the turn-buckle to accomplish the wire tightening work that pulls of steel strand wires once to after the wire tightening is accomplished every time, still need cut the steel strand wires of retrieving etc. and handle. So firstly the split steel strand wires degree of difficulty is great, secondly need split many times and has increaseed the construction degree of difficulty and work load, reduced the fastening nature of steel strand wires after the split moreover many times, be unfavorable for subsequent use of suspension wire.

(3) The physical strength of the personnel is greatly consumed, and the potential safety hazard is large. The terminal back of acting as go-between preparation (the end is tightened up), personnel need whole journey to support the health at 6, 7m above pole way, only lean on the safety belt help, operate the difficult application of force, and the current used turn-buckle operation needs the dynamics big, and the number of times is many repeatedly, and the experience time is of a specified duration, and is very big to staff's physical demands, has brought very big potential safety hazard.

The utility model has the following contents:

the utility model discloses the technical problem that will solve is: overcome prior art's not enough, provide a reasonable in design, work efficiency height and the novel turn-buckle of two round wound forms that intensity of labour is low.

The technical scheme of the utility model is that:

a double-wheel winding type novel tightener comprises a tightener mechanism and two wire clamping mechanisms, wherein the tightener mechanism comprises two fixed plates and two wheel shafts, the two fixed plates are connected together through fixed bolts, two rotating wheels are arranged between the two fixed plates at intervals, each rotating wheel is sleeved on one wheel shaft, the upper end of each wheel shaft respectively penetrates through the fixed plates, a ratchet wheel is arranged at the end part of each wheel shaft, two ratchets are arranged on the fixed plates, each ratchet wheel is matched with the adjacent ratchet wheel, and bayonets are arranged at the upper ends of the two wheel shafts and can be matched with a tightener handle in a clamping mode; the wire clamping mechanism comprises a clamping plate and a base which are fixed together through a connecting bolt, a U-shaped fixing frame is arranged at one end of the base and is connected with a pulley frame in a rotating mode, pulleys are arranged on the pulley frame, a steel wire rope is arranged on the pulleys, and two ends of the steel wire rope are respectively connected with a rotating wheel and a fixing bolt.

The wheel shaft is rotatably connected with the fixed plate through a bearing, the rotating wheel is fixed with the wheel shaft together, a limiting hole is formed in the rotating wheel, and one end of the steel wire rope is inserted into the limiting hole to form a fixing mechanism.

The wheel shaft is rotatably connected with the fixed plate through a bearing, the rotating wheel and the wheel shaft are sleeved together and are in clearance fit with each other, corresponding limiting holes are formed in the rotating wheel and the wheel shaft, and one end of the steel wire rope is inserted into the limiting holes in the rotating wheel and the wheel shaft to form a fixed mechanism.

And one end of each fixing plate is provided with another U-shaped fixing frame, the U-shaped fixing frames are rotatably connected with the hook frame, and the hook frame is provided with a hook.

The fixing plate is of a rectangular structure, the number of the fixing bolts is at least four, and the ratchet is fixed by two of the fixing bolts.

One end of the steel wire rope bypasses one or two fixing bolts and is fixed together through a buckle to form a rope sleeve which is sleeved on the fixing bolts.

The clamping plate and the base are respectively provided with corresponding arc-shaped grooves on the surfaces contacting with each other, and the clamping plate and the base are also respectively provided with a positioning groove and a positioning strip on the surfaces contacting with each other.

The utility model has the advantages that:

1. the utility model discloses a double round wound form structure, work efficiency is high, can realize the operation of the continuous turn-buckle of once installing, is the multifold of the work efficiency of present turn-buckle, can replace the turn-buckle now.

2. The utility model discloses a ratchet structure, only can unidirectional rotation, be used for tightening up overhead suspension wire, can not miss and throw off, the security is high.

3. The utility model discloses reduced the construction degree of difficulty, the installation of turn-buckle need not destroy the structure form of steel strand wires hanging wire, only needs directly to press from both sides the steel strand wires in turn-buckle wire clamping device, and the card line is easy and very firm like this, very big reduction the degree of difficulty of operation on .

4. The utility model discloses operating personnel physical demands is little, and the potential safety hazard is low, no matter be installation or tight line mode, has accomplished thorough improvement from the operation degree of difficulty, dynamics and activity duration, and the time that the staff stands on the pole way shortens by a wide margin like this, and physical demands reduces greatly, falls to minimumly with the potential safety hazard.

5. The utility model relates to a rationally, simple structure, work efficiency is high and low in labor strength, and the wide application has the significance to ageing, the security that improves communication line construction in the suspension wire tightening end operation of overhead line construction, has very strong engineering using value and good economic benefits.

Description of the drawings:

fig. 1 is a schematic perspective view of a novel two-wheel winding type tightener;

FIG. 2 is a front view of the novel two-wheel wound turnbuckle of FIG. 1;

FIG. 3 is a top view of the novel two-wheel wound turnbuckle of FIG. 2;

FIG. 4 is a front view of the wire clamping mechanism of FIG. 1;

fig. 5 is a top view of the wire clamping mechanism shown in fig. 4.

The specific implementation mode is as follows:

example (b): referring to fig. 1-5, in the drawings, 1-a wire clamping mechanism, 2-a steel wire rope, 3-a wire tightening mechanism, 4-a wire tightening handle, 11-a clamping plate, 12-a base, 13-a connecting bolt, 14-a U-shaped fixing frame, 15-a pulley frame, 16-a pulley, 17-a butterfly nut, 18-a groove, 19-a positioning groove and a positioning strip, 31-a fixing plate, 32-a ratchet, 33-a wheel shaft, 34-a ratchet wheel, 35-a U-shaped fixing frame, 36-a hook frame, 37-a hook, 38-a rotating wheel, 39-a limiting hole and 40-a fixing bolt.

Novel turn-buckle of double round wound form, including a tight line mechanism 3 and two trapping mechanism 1, wherein: the wire tightening mechanism 3 comprises two fixing plates 31 and two wheel shafts 33, the two fixing plates 31 are connected together through a fixing bolt 40, two rotating wheels 38 are arranged between the two fixing plates 31 at intervals, each rotating wheel 38 is sleeved on one wheel shaft 33, the upper end of each wheel shaft 33 respectively penetrates through the fixing plates 31, the end parts of the fixing plates 31 are provided with ratchet wheels 34, the fixing plates 31 are provided with two ratchet teeth 32, each ratchet tooth 32 is matched with the adjacent ratchet wheel 34, and the upper ends of the two wheel shafts 33 are respectively provided with bayonets which can be in clamping fit with the wire tightening handle 4; the wire clamping mechanism 1 comprises a clamping plate 11 and a base 12, the clamping plate 11 and the base 12 are fixed together through a connecting bolt 13 and a butterfly nut 17, a U-shaped fixing frame 14 is arranged at one end of the base 12, the U-shaped fixing frame 14 is rotatably connected with a pulley frame 15, a pulley 16 is arranged on the pulley frame 15, a steel wire rope 2 is arranged on the pulley 16, and two ends of the steel wire rope 2 are respectively connected with a rotating wheel 38 and a fixing bolt 40.

The axle 33 is rotatably connected with the fixed plate 31 through a bearing, the rotating wheel 38 is fixed with the axle 33, the rotating wheel 38 is provided with a limiting hole 39, and the end part of the steel wire rope 2 is inserted into the limiting hole 39 to form a fixing mechanism. Or, the rotating wheel 38 and the wheel shaft 33 are sleeved together and are in clearance fit with each other, the rotating wheel 38 and the wheel shaft 33 are both provided with corresponding limiting holes 39, and the end part of the steel wire rope 2 is inserted into the limiting holes 39 on the rotating wheel 38 and the wheel shaft 33 to form a fixing mechanism. In order to facilitate the insertion of the end of the wire rope 2 into the stopper hole 39, a ferrule may be provided at the end of the wire rope 2.

One end of the two fixing plates 31 is provided with another U-shaped fixing frame 35, the U-shaped fixing frame 35 is rotatably connected with a hook frame 36, and a hook 37 is arranged on the hook frame 36. The fixing plate 31 has a rectangular structure, and at least four fixing bolts 40 are provided, and two of the fixing bolts 40 fix the ratchet 32.

One end of the steel wire rope 2 is wound around one or two fixing bolts 40 and fixed together through a buckle to form a rope loop and is sleeved on the fixing bolt 40. The surfaces of the clamping plate 11 and the base 12 contacting each other are respectively provided with corresponding arc-shaped grooves 18, and according to requirements, the surfaces of the clamping plate 11 and the base 12 contacting each other are also respectively provided with positioning grooves and positioning strips 19 (as shown in fig. 1).

When the device works, the suspension wire is clamped in the grooves of the clamping plate 11 and the base 12, and the butterfly nut 17 is clamped by the flat opening on the wire tightening handle 4 and screwed with the connecting bolt 13, so that the suspension wire is firmly clamped on the wire clamping mechanism 1. The wire tightening handle 4 is rotated to drive the wheel shaft 33 to rotate, the steel wire rope 2 is gradually wound on the rotating wheel 38 due to the limit of the limit hole 39 and the fixing bolt 40, the hook 37 is connected with a fixed object and is kept still, and the rotating wheel 38 rotates to drive the wire clamping mechanism 1 to take up wires. When the steel wire rope 2 of one wire clamping mechanism 1 is completely tightened to the rotating wheel 38, the other wire clamping mechanism 1 is operated to complete the wire hanging fastening action, and then the corresponding rotating wheel 38 is rotated to take up the wire. Thus, two sets of wire clamping and wire tensioning mechanisms are alternately used to complete continuous wire tensioning operation.

‌ it should be understood that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the present invention.

Claims (7)

1. The utility model provides a novel turn-buckle of double round wound form, includes a tight line mechanism and two trapping mechanism, characterized by: the wire tightening mechanism comprises two fixing plates and two wheel shafts, the two fixing plates are connected together through a fixing bolt, two rotating wheels are arranged between the two fixing plates at intervals, each rotating wheel is sleeved on one wheel shaft, the upper end of each wheel shaft penetrates through the fixing plates respectively, a ratchet wheel is arranged at the end of each wheel shaft, two ratchets are arranged on the fixing plates, each ratchet wheel is matched with the adjacent ratchet wheel, and bayonets are arranged at the upper ends of the two wheel shafts and can be clamped and matched with a wire tightening handle; the wire clamping mechanism comprises a clamping plate and a base which are fixed together through a connecting bolt, a U-shaped fixing frame is arranged at one end of the base and is connected with a pulley frame in a rotating mode, pulleys are arranged on the pulley frame, a steel wire rope is arranged on the pulleys, and two ends of the steel wire rope are respectively connected with a rotating wheel and a fixing bolt.

2. The novel two-wheel wound turnbuckle of claim 1, wherein: the wheel shaft is rotatably connected with the fixed plate through a bearing, the rotating wheel is fixed with the wheel shaft together, a limiting hole is formed in the rotating wheel, and one end of the steel wire rope is inserted into the limiting hole to form a fixing mechanism.

3. The novel two-wheel wound turnbuckle of claim 1, wherein: the wheel shaft is rotatably connected with the fixed plate through a bearing, the rotating wheel and the wheel shaft are sleeved together and are in clearance fit with each other, corresponding limiting holes are formed in the rotating wheel and the wheel shaft, and one end of the steel wire rope is inserted into the limiting holes in the rotating wheel and the wheel shaft to form a fixed mechanism.

4. The novel two-wheel wound turnbuckle of claim 1, wherein: and one end of each fixing plate is provided with another U-shaped fixing frame, the U-shaped fixing frames are rotatably connected with the hook frame, and the hook frame is provided with a hook.

5. The novel two-wheel wound turnbuckle of claim 1, wherein: the fixing plate is of a rectangular structure, the number of the fixing bolts is at least four, and the ratchet is fixed by two of the fixing bolts.

6. The novel two-wheel wound turnbuckle of claim 1, wherein: one end of the steel wire rope bypasses one or two fixing bolts and is fixed together through a buckle to form a rope sleeve which is sleeved on the fixing bolts.

7. The novel two-wheel wound turnbuckle of claim 1, wherein: the clamping plate and the base are respectively provided with corresponding arc-shaped grooves on the surfaces contacting with each other, and the clamping plate and the base are also respectively provided with a positioning groove and a positioning strip on the surfaces contacting with each other.

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