CN210246128U - Tractor for laying ground wires of overhead line - Google Patents
Tractor for laying ground wires of overhead line Download PDFInfo
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- CN210246128U CN210246128U CN201921307737.2U CN201921307737U CN210246128U CN 210246128 U CN210246128 U CN 210246128U CN 201921307737 U CN201921307737 U CN 201921307737U CN 210246128 U CN210246128 U CN 210246128U
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- ground wire
- threaded connection
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Abstract
The utility model provides an overhead line ground wire exhibition puts tractor, including the last connecting piece that sets up with the central line, the intermediate junction spare, lower direction connector and interior holder, lower direction connector upper end and intermediate junction spare lower extreme threaded connection, intermediate junction spare upper end and last connecting piece lower extreme threaded connection, penetrating location mounting hole about the inside seting up of intermediate junction spare, penetrating through wires hole about the inside seting up of lower direction connector, interior holder sets up in the location mounting hole, be provided with in the interior holder and be used for penetrating and compress tightly the centre gripping hole of ground wire, the centre gripping hole corresponds the intercommunication from top to bottom with the wires hole, it is provided with the connecting hole to go up connecting piece upper portion. The utility model discloses simple structure, simple to operate, factor of safety are high, but repetitious usage have fully reduced workman's intensity of labour to the protection ground wire does not receive the damage, has improved the efficiency of construction greatly.
Description
Technical Field
The utility model belongs to the technical field of the transmission line construction, concretely relates to tractor is put in exhibition of overhead line ground wire.
Background
In the construction of power transmission line stringing, the ground wire is an important barrier for ensuring the safe operation of the line, so the exhibition of the ground wire is particularly important, and the current main modes of the exhibition of the ground wire are as follows: (1) the compression joint pipe is pressed to the end of the ground wire, and then the steel wire rope is hung at the other end of the compression joint pipe for unfolding, the compression joint machine is required to perform auxiliary work, the operation efficiency is low, the compression joint pipe is a disposable part, construction materials are wasted, and the economical efficiency is not high; (2) the ground wire is spread by weaving the rope head of the ground wire, and the method needs professional weaving personnel to weave the ground wire, so that the weaving is complex, time and labor are wasted, the ground wire is damaged to a certain degree, the stability is poor, the requirement of standard operation is not met, and certain potential safety hazard exists; (3) the snakeskin sleeve is connected with the end part of the ground wire to complete the spreading operation, and the snakeskin sleeve is also a steel part, so that the friction coefficient between the snakeskin sleeve and the ground wire is small, the hidden danger of relative sliding exists, and the requirement of safe construction is not met. Therefore, a ground wire unfolding tractor with low labor intensity, high safety factor and high construction efficiency needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a tractor is put in overhead line ground wire exhibition that intensity of labour is low, factor of safety is high, the efficiency of construction is high and do not harm the ground wire.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an overhead line ground wire exhibition puts tractor, including the last connecting piece that sets up with the central line, the intermediate junction spare, lower direction connector and interior holder, lower direction connector upper end and intermediate junction spare lower extreme threaded connection, intermediate junction spare upper end and last connecting piece lower extreme threaded connection, penetrating location mounting hole about the inside seting up of intermediate junction spare, penetrating through wires hole about the inside seting up of lower direction connector, interior holder sets up in the location mounting hole, be provided with in the interior holder and be used for penetrating and compress tightly the centre gripping hole of ground wire, the centre gripping hole corresponds the intercommunication from top to bottom with the wires hole, it is provided with the connecting hole to go up connecting piece upper portion.
The lower guide connector is made of rubber materials, the upper portion of the lower guide connector is provided with an external thread steel sleeve, the lower portion of the middle connecting piece is provided with a first internal thread hole in threaded connection with the external thread steel sleeve, the upper portion of the middle connecting piece is provided with an external thread section, the lower portion of the upper connecting piece is provided with a second internal thread hole in threaded connection with the external thread section, and the upper portion of the second internal thread hole is a holding groove.
Interior holder includes three lamella toper clamping pieces and gland, and the excircle of three lamella toper clamping pieces and the inner wall of location mounting hole are big-end-up little cone structure of looks adaptation, the centre gripping hole for the inside formation of three lamella toper clamping pieces and with the same central line of location mounting hole, anti-skidding line has been seted up to the inner wall of three lamella toper clamping pieces, the gland center is seted up and is corresponded the through-hole of being connected with the centre gripping hole, gland excircle threaded connection is inside and sticiss the upper end of three lamella toper clamping pieces in the upper end of intermediate junction spare.
A handle for driving the gland to rotate is arranged on the upper end surface of the gland.
The lower part of the lower guide connector is of a conical structure with a thick upper part and a thin lower part.
The lower part of the middle connecting piece is in threaded connection with a first limiting countersunk screw extending into the external thread steel sleeve along the radial direction, and the lower part of the upper connecting piece is in threaded connection with a second limiting countersunk screw extending into the middle connecting piece along the radial direction.
By adopting the technical scheme, the utility model firstly screws the first limit countersunk head screw and the second limit countersunk head screw when connecting the ground wire, then the upper connecting piece, the middle connecting piece and the lower guide connecting head are separated, the gland is screwed out, the three-petal conical clamping piece is taken out, then the ground wire is firstly penetrated into the lower guide connecting head from bottom to top and then penetrates into the middle connecting piece, then the inner wall of the three-petal conical clamping piece is wrapped outside the ground wire, the upper end of the ground wire slightly extends out of the upper end of the three-petal conical clamping piece, then the three-petal conical clamping piece and the ground wire are together moved downwards, after the three-petal conical clamping piece extends into the positioning mounting hole, the upper end of the three-petal conical clamping piece is firstly knocked by a hammer to lead the three-petal conical clamping piece to be contracted inwards to press the ground wire, then the gland is screwed into the upper end of the middle connecting piece and tightly presses the three-petal conical, and screwing the first limit countersunk head screw and the second limit countersunk head screw to complete the installation operation.
Because the three-petal conical clamping piece and the positioning mounting hole are in the conical structure in a matched manner, the ground wire can be more and more tightly pulled in the ground wire traction operation, the phenomenon of ground wire sliding cannot occur, the anti-slip lines are arranged on the inner wall of the three-petal conical clamping piece, the friction coefficient of a contact surface is increased, and the effect of enhancing the connection strength with the ground wire is further achieved.
The outside of lower direction connector adopts the weight of the biggest reduction device of toper design, and the inside cooperation location mounting hole of intermediate junction spare is the toper structure, guarantees the location of three lamella toper clamping pieces, and the structure of three lamella toper clamping pieces guarantees to carry out quick firm locking to the ground wire.
The upper end part of the upper connecting piece is provided with a connecting hole which is convenient to be connected with a ground wire traction device.
The gland plays the effect of compressing tightly and fixing a position three lamella toper clamping pieces in location mounting hole position, prevents three lamella toper clamping pieces, ensures safe construction.
The holding tank plays the effect of holding the last end of earth wire. The first limiting countersunk head screw and the second limiting countersunk head screw play a role in limiting the separation of the upper connecting piece, the middle connecting piece and the lower guide connecting head due to relative rotation.
Lower direction connector adopts rubber materials to make, prevents the utility model discloses crossing the coaster formula and bending the damage to the ground wire, ensure the safety of construction unwrapping wire.
To sum up, the utility model discloses simple structure, simple to operate, factor of safety are high, but repetitious usage have fully reduced workman's intensity of labour to the protection ground wire does not receive the damage, has improved the efficiency of construction greatly.
Drawings
Fig. 1 is a schematic view of the external structure of the present invention;
fig. 2 is a sectional view a-a in fig. 1.
Detailed Description
As shown in fig. 1 and 2, the utility model discloses an overhead line ground wire exhibition puts tractor, including last connecting piece 1 with the central line setting, intermediate junction spare 2, lower direction connector 3 and interior clamping piece, terminal threaded connection under 3 upper ends of lower direction connector and the intermediate junction spare 2, penetrating location mounting hole 5 about 2 inside setups of intermediate junction spare and last connecting piece, penetrating through wires hole 6 about 3 inside setups of lower direction connector, interior clamping piece sets up in location mounting hole 5, be provided with in the interior clamping piece and be used for penetrating and compressing tightly the centre gripping hole 7 of ground wire, centre gripping hole 7 corresponds the intercommunication from top to bottom with wires hole 6, it is provided with connecting hole 8 to go up 1 upper portion of connecting piece.
The lower guide connector 3 is made of rubber materials, the upper portion of the lower guide connector 3 is provided with an external thread steel sleeve 9, the lower portion of the middle connector 2 is provided with a first internal thread hole in threaded connection with the external thread steel sleeve 9, the upper portion of the middle connector 2 is provided with an external thread section, the lower portion of the upper connector 1 is provided with a second internal thread hole in threaded connection with the external thread section, and the upper portion of the second internal thread hole is a holding groove 10.
Interior holder includes three lamella toper clamping pieces 4 and gland 11, the excircle of three lamella toper clamping pieces 4 and the inner wall of location mounting hole 5 be big-end-up little cone structure of looks adaptation, centre gripping hole 7 for the inside formation of three lamella toper clamping pieces 4 and with location mounting hole 5 with the central line, antiskid line has been seted up to the inner wall of three lamella toper clamping pieces 4, gland 11 center is seted up and is corresponded the through-hole 12 of being connected with centre gripping hole 7, 11 excircle threaded connection of gland are inside and sticiss the upper end of three lamella toper clamping pieces 4 in the upper end of intermediate junction spare 2.
A handle 13 for driving the gland 11 to rotate is arranged on the upper end surface of the gland 11.
The lower part of the lower guiding connector 3 is in a conical structure with a thick upper part and a thin lower part.
The lower part of the middle connecting piece 2 is in threaded connection with a first limit countersunk screw 14 extending into the external thread steel sleeve 9 along the radial direction, and the lower part of the upper connecting piece 1 is in threaded connection with a second limit countersunk screw 15 extending into the middle connecting piece 2 along the radial direction.
The utility model discloses will first spacing countersunk screw 14 and the spacing countersunk screw 15 of second unscrew when connecting the ground wire earlier, then go up connecting piece 1, intermediate junction spare 2 and lower direction connector 3 part, screw out gland 11, take out three lamella toper clamping pieces 4, then penetrate down direction connector 3 with the ground wire from bottom to top earlier, penetrate intermediate junction spare 2 again, then wrap up the inner wall of three lamella toper clamping pieces 4 in the outside of ground wire, the ground wire upper end stretches out three lamella toper clamping pieces 4 upper end a little, then together move down three lamella toper clamping pieces 4 and ground wire together, after three lamella toper clamping pieces 4 stretched into location mounting hole 5, strike three lamella toper clamping pieces 4 upper end with the hammer earlier, make three lamella toper clamping pieces 4 contract inwards and compress tightly the ground wire, it is inside to twist gland 11 to the upper end of intermediate junction spare 2 again, and compress tightly three lamella toper clamping pieces 4, go up connecting piece 1 at last, After the middle connecting piece 2 and the lower guide connecting head 3 are connected correspondingly through threads, the first limiting countersunk head screw 14 and the second limiting countersunk head screw 15 are screwed on to complete installation operation.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.
Claims (6)
1. The utility model provides an overhead line ground wire exhibition puts tractor which characterized in that: including the last connecting piece that sets up with the central line, the intermediate junction spare, lower direction connector and interior holder, lower direction connector upper end and intermediate junction spare lower extreme threaded connection, intermediate junction spare upper end and last connecting piece lower extreme threaded connection, penetrating location mounting hole about the intermediate junction spare is inside to be seted up, penetrating through wires hole about the inside seting up of lower direction connector, interior holder sets up in the location mounting hole, be provided with in the interior holder and be used for penetrating and compressing tightly the centre gripping hole of ground wire, the centre gripping hole corresponds the intercommunication from top to bottom with the through wires hole, it is provided with the connecting hole to go up connecting piece upper portion.
2. The overhead line ground wire spreading retractor according to claim 1, wherein: the lower guide connector is made of rubber materials, the upper portion of the lower guide connector is provided with an external thread steel sleeve, the lower portion of the middle connecting piece is provided with a first internal thread hole in threaded connection with the external thread steel sleeve, the upper portion of the middle connecting piece is provided with an external thread section, the lower portion of the upper connecting piece is provided with a second internal thread hole in threaded connection with the external thread section, and the upper portion of the second internal thread hole is a holding groove.
3. The overhead line ground wire spreading retractor according to claim 1 or 2, wherein: interior holder includes three lamella toper clamping pieces and gland, and the excircle of three lamella toper clamping pieces and the inner wall of location mounting hole are big-end-up little cone structure of looks adaptation, the centre gripping hole for the inside formation of three lamella toper clamping pieces and with the same central line of location mounting hole, anti-skidding line has been seted up to the inner wall of three lamella toper clamping pieces, the gland center is seted up and is corresponded the through-hole of being connected with the centre gripping hole, gland excircle threaded connection is inside and sticiss the upper end of three lamella toper clamping pieces in the upper end of intermediate junction spare.
4. The overhead line ground wire spreading retractor according to claim 3, wherein: a handle for driving the gland to rotate is arranged on the upper end surface of the gland.
5. The overhead line ground wire spreading retractor according to claim 3, wherein: the lower part of the lower guide connector is of a conical structure with a thick upper part and a thin lower part.
6. The overhead line ground wire spreading retractor according to claim 3, wherein: the lower part of the middle connecting piece is in threaded connection with a first limiting countersunk screw extending into the external thread steel sleeve along the radial direction, and the lower part of the upper connecting piece is in threaded connection with a second limiting countersunk screw extending into the middle connecting piece along the radial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307737.2U CN210246128U (en) | 2019-08-13 | 2019-08-13 | Tractor for laying ground wires of overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921307737.2U CN210246128U (en) | 2019-08-13 | 2019-08-13 | Tractor for laying ground wires of overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246128U true CN210246128U (en) | 2020-04-03 |
Family
ID=69963205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921307737.2U Active CN210246128U (en) | 2019-08-13 | 2019-08-13 | Tractor for laying ground wires of overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246128U (en) |
-
2019
- 2019-08-13 CN CN201921307737.2U patent/CN210246128U/en active Active
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