CN217903850U - Steel wire rope tensioning device - Google Patents
Steel wire rope tensioning device Download PDFInfo
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- CN217903850U CN217903850U CN202222009731.5U CN202222009731U CN217903850U CN 217903850 U CN217903850 U CN 217903850U CN 202222009731 U CN202222009731 U CN 202222009731U CN 217903850 U CN217903850 U CN 217903850U
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Abstract
The utility model relates to a steel wire rope tensioning device, which comprises a tensioning mechanism and a pressing mechanism, wherein the tensioning mechanism comprises a first driving wheel, a second driving wheel, a guide wheel and a rotary power unit, the rotary power unit is in transmission connection with the first driving wheel and the second driving wheel so as to drive the first driving wheel and the second driving wheel to rotate, one side of the guide wheel is arranged towards the first driving wheel, and the other side of the guide wheel is arranged towards the second driving wheel; the pressing mechanism comprises a first pressing wheel, a second pressing wheel and a telescopic power unit, wherein the telescopic power unit is in transmission connection with the first pressing wheel and the second pressing wheel and used for driving the first pressing wheel to abut against the first driving wheel and the second pressing wheel to abut against the second driving wheel. Compared with the prior art, the utility model provides a wire rope straining device simple structure can effectively compress tightly wire rope, and convenient operation can possess wider regulation stroke relatively current turn-buckle.
Description
Technical Field
The utility model relates to a turn-buckle technical field especially relates to a wire rope straining device.
Background
A general wire grip is used for tensioning a wire in an overhead line laying construction. When the wire grip is used, the steel wire rope or the galvanized iron wire on the wire grip is firstly loosened and fixed on the cross arm, the wire is clamped by the wire grip, and then the special wrench is pulled. Due to the anti-reversion function of the pawl, the steel wire rope or the galvanized iron wire is gradually wound on the ratchet wheel roller, so that the wire is tightened. And fixing the tightened lead on the insulator. Then the pawl is loosened to loosen the steel wire rope or the galvanized iron wire, then the wire clamp is loosened, and finally the steel wire rope or the galvanized iron wire is wound on the roller of the ratchet wheel.
The existing tightener is complex in structure, inconvenient to operate and high in cost, and needs multiple people to operate. For example, CN212230963U discloses a high-efficiency tightener for construction of power transmission and transformation overhead lines.
The existing turn buckle is stretched by using a lead screw, and the tightness of a steel wire rope can be adjusted. The components may be tied up in component transport and loosened in installation correction. But the turn buckle can not be retrieved after using, can cause very big cost problem, and turn buckle's regulation stroke is shorter, and is not good to the taut regulation effect of the longer wire rope of length.
SUMMERY OF THE UTILITY MODEL
In view of this, a need exists for a steel wire rope tensioning device, which is used to solve the technical problems of complex structure and inconvenient operation of the wire tightener in the prior art.
The utility model provides a wire rope straining device, this wire rope straining device includes: the tensioning mechanism comprises a first driving wheel, a second driving wheel, a guide wheel and a rotary power unit, the rotary power unit is in transmission connection with the first driving wheel and the second driving wheel and is used for driving the first driving wheel and the second driving wheel to rotate, one side of the guide wheel is arranged towards the first driving wheel, and the other side of the guide wheel is arranged towards the second driving wheel; the pressing mechanism comprises a first pressing wheel, a second pressing wheel and a telescopic power unit, the telescopic power unit is in transmission connection with the first pressing wheel and the second pressing wheel and used for driving the first pressing wheel to abut against the first driving wheel and the second pressing wheel to abut against the second driving wheel, and cavities used for accommodating steel wire ropes are formed between the first driving wheel and the first pressing wheel, between the second driving wheel and the second pressing wheel respectively.
Furthermore, the first driving wheel and the second driving wheel are coaxially arranged, the tensioning mechanism further comprises a first transmission shaft, the first transmission wheel and the second driving wheel are fixedly sleeved on the first transmission shaft, and the rotary power unit is in transmission connection with the first transmission shaft and is used for driving the first transmission shaft to rotate.
Furthermore, the first pinch roller and the second pinch roller are coaxially arranged, the pressing mechanism further comprises a second transmission shaft arranged in parallel with the first transmission shaft, the first pinch roller and the second pinch roller are fixedly sleeved on the second transmission shaft, and the telescopic power unit is in transmission connection with the second transmission shaft and is used for driving the second transmission shaft to move in parallel relative to the first transmission shaft.
The pressing mechanism further comprises a lifting rod, one end of the lifting rod is rotatably connected with the rack, and the other end of the lifting rod is rotatably connected with the second transmission shaft.
Furthermore, a first groove is formed in the side face of the first transmission wheel, a second groove is formed in the side face of the second transmission wheel, a third groove is formed in the side face of the first pressing wheel, a fourth groove is formed in the side face of the second pressing wheel, and the first groove, the third groove, the second groove and the fourth groove surround to form a cavity for accommodating the steel wire rope.
Furthermore, the first pressing wheel is partially embedded in the first groove, and the second pressing wheel is partially embedded in the second groove.
Furthermore, the guide wheel is obliquely arranged, and a side surface of the guide wheel is provided with a fifth groove, wherein part of the fifth groove faces the first groove, and part of the fifth groove faces the second groove.
Further, straining device still includes that the fixed cover locates the epaxial third drive wheel of first transmission, and hold-down mechanism still locates the epaxial fourth drive wheel of second transmission including the fixed cover, third drive wheel and fourth drive wheel butt transmission.
The auxiliary mechanism comprises a first fixed pulley block and a second fixed pulley block, the first fixed pulley block comprises a first fixed pulley and a second fixed pulley which are arranged in parallel, the first fixed pulley and the second fixed pulley are rotatably connected with the rack, a first guide groove is formed on the first fixed pulley and the second fixed pulley, and the first guide groove faces the first groove; the second fixed pulley group comprises a third fixed pulley and a fourth fixed pulley which are arranged in parallel, the third fixed pulley and the fourth fixed pulley are rotatably connected with the rack, a second guide groove is formed in the third fixed pulley and the fourth fixed pulley, and the second guide groove faces the second groove.
Further, the first fixed pulley and the third fixed pulley are coaxially arranged.
Compared with the prior art, the utility model provides a wire rope straining device simple structure can effectively compress tightly wire rope, and convenient operation can possess wider regulation stroke relatively current turn-buckle.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, and to implement the technical means according to the content of the description, the preferred embodiments of the present invention are described in detail below with reference to the accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic structural view of an embodiment of a wire rope tensioning device provided by the present invention;
fig. 2 is a top view of another embodiment of the cable tensioner of the present invention;
fig. 3 is a side view of another embodiment of a cable tensioner according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of this application, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit its scope.
Referring to fig. 1, the present invention provides a wire rope tensioning device. The steel wire rope tensioning device can be applied to construction of power transmission and transformation overhead lines and is used for tensioning steel wire ropes.
The steel wire rope tensioning device comprises a tensioning mechanism 1 and a pressing mechanism 2, wherein the tensioning mechanism 1 comprises a first transmission wheel 11, a second transmission wheel 12, a guide wheel 13 and a rotary power unit (not shown). The rotary power unit is in transmission connection with the first transmission wheel 11 and the second transmission wheel 12 and is used for driving the first transmission wheel 11 and the second transmission wheel 12 to rotate. The rotary power unit is used for providing rotary power, and a motor with a proper type is usually adopted. The guide wheel 13 is arranged on one side towards the first transmission wheel 11 and on the other side towards the second transmission wheel 12. The wire rope on the first transmission wheel 11 can be guided to the second transmission wheel 12 by the guide wheel 13.
The pressing mechanism 2 comprises a first pressing wheel 21, a second pressing wheel 22 and a telescopic power unit 23, wherein the telescopic power unit 23 is in transmission connection with the first pressing wheel 21 and the second pressing wheel 22 and used for driving the first pressing wheel 21 to abut against the first driving wheel 11 and the second pressing wheel 22 to abut against the second driving wheel 12 so as to respectively press the steel wire ropes on the first driving wheel 11 and the second driving wheel 12. The telescopic power unit 23 provides telescopic power and can adopt an electric push rod with a proper type. Cavities for accommodating the steel wire ropes are respectively formed between the first driving wheel 11 and the first pressing wheel 21, and between the second driving wheel 12 and the second pressing wheel 22.
The steel wire rope firstly bypasses the first driving wheel 11, then bypasses the guide wheel 13, and then bypasses the second driving wheel 12, the first pressing wheel 21 and the second pressing wheel 22 respectively press the steel wire rope on the first driving wheel 11 and the second driving wheel 12, and the rotary power unit drives the first driving wheel 11 and the second driving wheel 12 to rotate so as to pull the steel wire rope and tighten the steel wire rope.
In some embodiments, the first pinch roller 21 may be provided with a plurality of wheels that serve the same function, and the second pinch roller 22 may be provided with a plurality of wheels that serve the same function.
In a preferred embodiment, the first driving wheel 11 and the second driving wheel 12 are coaxially arranged, and the tensioning mechanism 1 further includes a first transmission shaft 14, the first driving wheel 11 and the second driving wheel 12 are fixedly sleeved on the first transmission shaft 14, and the rotary power unit is in transmission connection with the first transmission shaft 14 for driving the first transmission shaft 14 to rotate, so as to drive the first driving wheel 11 and the second driving wheel 12 to synchronously rotate.
Correspondingly, the first pinch roller 21 and the second pinch roller 22 are also coaxially arranged, the pressing mechanism 2 further comprises a second transmission shaft 24 arranged in parallel with the first transmission shaft 14, and the first pinch roller 21 and the second pinch roller 22 are fixedly sleeved on the second transmission shaft 24, so that the first pinch roller 21 and the second pinch roller 22 synchronously rotate. The telescopic power unit 23 is in transmission connection with the second transmission shaft 24 for driving the second transmission shaft 24 to move in parallel relative to the first transmission shaft 14.
In a preferred embodiment, the cable tensioner further comprises a frame 3 for connecting and fixing other structural components. Wherein the guide wheel 13 and the first transmission shaft 14 are rotatably connected with the frame 3, and the rotary power unit and the telescopic power unit 23 are fixedly arranged on the frame 3. And the hold-down mechanism 2 further comprises a lifting rod 25, one end of the lifting rod 25 is rotatably connected with the frame 3, and the other end of the lifting rod 25 is rotatably connected with the second transmission shaft 24. The telescopic power unit 23 is in transmission connection with the lifting rod 25 and can push the lifting rod 25 to rotate around a connecting part with the frame 3, so that the first pressing wheel 21 and the second pressing wheel 22 are driven to move towards or away from the first transmission wheel 11 and the second transmission wheel 12 to press or release the steel wire rope.
Referring to fig. 2, in some embodiments, a first groove 111 is formed on a side surface of the first driving wheel 11, a second groove 121 is formed on a side surface of the second driving wheel 12, a third groove 211 is formed on a side surface of the first pressing wheel 21, and a fourth groove 221 is formed on a side surface of the second pressing wheel 22. The first groove 111, the third groove 211, the second groove 121 and the fourth groove 221 surround to form a cavity for accommodating the steel wire rope.
In a preferred embodiment, the first groove 111 is larger than the third groove 211, the second groove 121 is larger than the fourth groove 221, and the first pressing wheel 21 is partially inserted into the first groove 111, and the second pressing wheel 22 is partially inserted into the second groove 121. Thus, the transverse deviation can be avoided, and the steel wire rope can be clamped better.
Similarly, the guide wheel 13 is obliquely arranged, and is laterally formed with a fifth groove 131, a part of the fifth groove 131 facing the first groove 111, and a part of the fifth groove 131 facing the second groove 121. The wire rope in the first groove 111 is thus guided by the fifth groove 131 and can enter the second groove 121.
In some embodiments, the tensioning mechanism 1 further includes a third driving wheel 15 fixedly sleeved on the first transmission shaft 14, the pressing mechanism 2 further includes a fourth driving wheel 26 fixedly sleeved on the second transmission shaft 24, and the third driving wheel 15 and the fourth driving wheel 26 abut against each other and are driven by friction force therebetween. Since the first pinch roller 21 and the second pinch roller 22 do not have power, the first pinch roller 21 rotates by means of friction between the first driving wheel 11 and the steel wire rope, and the second pinch roller 22 rotates by means of friction between the second driving wheel 12 and the steel wire rope, so that the first pinch roller 21 and the second pinch roller 22 are abraded greatly. Through the arrangement of the third driving wheel 15 and the fourth driving wheel 26, friction transmission mainly occurs between the third driving wheel 15 and the fourth driving wheel 26, abrasion of the first pressing wheel 21 and the second pressing wheel 22 is reduced, and the abrasion of the first pressing wheel 21 and the second pressing wheel 22 is protected.
Referring to fig. 3, in some embodiments, the wire rope tensioning device further includes an auxiliary mechanism 4, the auxiliary mechanism 4 includes a first fixed pulley group 41 and a second fixed pulley group 42, the first fixed pulley group 41 includes a first fixed pulley 411 and a second fixed pulley 412 arranged in parallel, the first fixed pulley 411 and the second fixed pulley 412 are rotatably connected to the frame 3, the first fixed pulley 411 and the second fixed pulley 412 are formed with a first guide groove 413, and the first guide groove 413 faces the first groove 111. The second fixed pulley group 42 comprises a third fixed pulley 421 and a fourth fixed pulley 422 which are arranged in parallel, the third fixed pulley 421 and the fourth fixed pulley 422 are rotatably connected with the frame 3, the third fixed pulley 421 and the fourth fixed pulley 422 are formed with a second guide groove 423, and the second guide groove 423 faces the second groove 121.
In some embodiments, the first fixed pulley 411 and the third fixed pulley 421 are coaxially arranged, and two grooves can be formed on the same fixed pulley to achieve the same technical effect.
The wire rope passes through the first guide groove 413, then enters the first groove 111, passes around the first driving wheel 11, enters the fifth groove 131, passes around the guide wheel 13, enters the second groove 121, passes around the second driving wheel 12, and then passes through the second guide groove 423. After the pressing mechanism 2 presses the steel wire rope, the steel wire rope can be tensioned by rotating the power unit.
The utility model provides a wire rope straining device simple structure can effectively compress tightly wire rope, and convenient operation can possess wider regulation stroke relatively current turn-buckle.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. A wire rope tensioning device, comprising: the tensioning mechanism comprises a first transmission wheel, a second transmission wheel, a guide wheel and a rotary power unit, the rotary power unit is in transmission connection with the first transmission wheel and the second transmission wheel and is used for driving the first transmission wheel and the second transmission wheel to rotate, one side of the guide wheel is arranged towards the first transmission wheel, and the other side of the guide wheel is arranged towards the second transmission wheel; the pressing mechanism comprises a first pressing wheel, a second pressing wheel and a telescopic power unit, the telescopic power unit is in transmission connection with the first pressing wheel and the second pressing wheel and is used for driving the first pressing wheel to abut against the first driving wheel and the second pressing wheel to abut against the second driving wheel, and cavities for accommodating steel wire ropes are formed between the first driving wheel and the first pressing wheel, between the second driving wheel and the second pressing wheel respectively.
2. The steel wire rope tensioning device according to claim 1, wherein the first transmission wheel and the second transmission wheel are coaxially arranged, the tensioning mechanism further comprises a first transmission shaft, the first transmission wheel and the second transmission wheel are fixedly sleeved on the first transmission shaft, and the rotary power unit is in transmission connection with the first transmission shaft and drives the first transmission shaft to rotate.
3. The steel wire rope tension device according to claim 2, wherein the first pinch roller and the second pinch roller are coaxially arranged, the compression mechanism further comprises a second transmission shaft arranged in parallel with the first transmission shaft, the first pinch roller and the second pinch roller are fixedly sleeved on the second transmission shaft, and the telescopic power unit is in transmission connection with the second transmission shaft and drives the second transmission shaft to move in parallel with respect to the first transmission shaft.
4. The steel wire rope tension device as claimed in claim 3, further comprising a frame, wherein the guide wheel and the first transmission shaft are rotatably connected with the frame, the telescopic power unit is fixedly arranged on the frame, the pressing mechanism further comprises a lifting rod, one end of the lifting rod is rotatably connected with the frame, and the other end of the lifting rod is rotatably connected with the second transmission shaft.
5. The steel wire rope tension device as claimed in claim 4, wherein a first groove is formed on the side surface of the first transmission wheel, a second groove is formed on the side surface of the second transmission wheel, a third groove is formed on the side surface of the first pressing wheel, a fourth groove is formed on the side surface of the second pressing wheel, and the first groove, the third groove, the second groove and the fourth groove surround to form a cavity for accommodating the steel wire rope.
6. A cable tensioner as claimed in claim 5, wherein the first pinch roller is partially inserted in the first groove and the second pinch roller is partially inserted in the second groove.
7. A cable tensioner according to claim 5, characterized in that the guide wheel is arranged obliquely and is formed with a fifth groove on its side, part of the fifth groove facing the first groove and part of the fifth groove facing the second groove.
8. The steel wire rope tensioning device according to claim 3, wherein the tensioning mechanism further comprises a third transmission wheel fixedly sleeved on the first transmission shaft, the pressing mechanism further comprises a fourth transmission wheel fixedly sleeved on the second transmission shaft, and the third transmission wheel and the fourth transmission wheel are in abutting transmission.
9. The cable tensioner of claim 5, further comprising an auxiliary mechanism, the auxiliary mechanism comprising a first fixed pulley set and a second fixed pulley set, the first fixed pulley set comprising a first fixed pulley and a second fixed pulley arranged in parallel, the first fixed pulley and the second fixed pulley being rotatably connected to the frame, the first fixed pulley and the second fixed pulley being formed with a first guide groove, the first guide groove facing the first groove; the second fixed pulley group comprises a third fixed pulley and a fourth fixed pulley which are arranged in parallel, the third fixed pulley and the fourth fixed pulley are rotatably connected with the rack, a second guide groove is formed in the third fixed pulley and the fourth fixed pulley, and the second guide groove faces the second groove.
10. A wire rope tensioning device according to claim 9, characterized in that the first and third fixed pulleys are arranged coaxially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009731.5U CN217903850U (en) | 2022-07-28 | 2022-07-28 | Steel wire rope tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222009731.5U CN217903850U (en) | 2022-07-28 | 2022-07-28 | Steel wire rope tensioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217903850U true CN217903850U (en) | 2022-11-25 |
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ID=84139007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222009731.5U Active CN217903850U (en) | 2022-07-28 | 2022-07-28 | Steel wire rope tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217903850U (en) |
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2022
- 2022-07-28 CN CN202222009731.5U patent/CN217903850U/en active Active
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