CN220492548U - Obstacle crossing pulley for overhead line - Google Patents
Obstacle crossing pulley for overhead line Download PDFInfo
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- CN220492548U CN220492548U CN202321588175.XU CN202321588175U CN220492548U CN 220492548 U CN220492548 U CN 220492548U CN 202321588175 U CN202321588175 U CN 202321588175U CN 220492548 U CN220492548 U CN 220492548U
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- door closing
- shaped frame
- closing plug
- door
- pulley
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- 230000009471 action Effects 0.000 claims abstract description 20
- 125000006850 spacer group Chemical group 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004146 energy storage Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a block crossing pulley for overhead lines, which belongs to the technical field of block crossing pulleys and particularly relates to a block crossing pulley for overhead lines, which comprises a U-shaped frame, an interlocking part connected to the U-shaped frame and comprising a supporting rod connected to the top of the front end of the U-shaped frame in a rotating way through a pin shaft, wherein the bottoms of the two ends of the supporting rod are integrally formed and connected with positioning shafts, a door closing insert part connected to the left side and the right side of the U-shaped frame in a rotating way is provided with a hook groove matched with the positioning shafts, the door closing insert part is positioned in the door inserting way, a plate spring is fixed on the pivot and drives the door closing insert to act under the elastic action, the supporting rod is rotated, the two ends of the supporting rod are respectively tilted under the action of the pin shaft, when one end is tilted, the positioning pin acts downwards under the action of the other end and is matched with the hook groove to limit the action of one side door insert, and the door closing insert at the tilting end is blocked by a spacer bar of a double split conductor to be smoothly opened and spanned through, so that one door insert can not be opened due to the control of the positioning pin and the groove, and the safety guarantee of the block crossing pulley is ensured.
Description
Technical Field
The utility model relates to the technical field of obstacle crossing pulleys, in particular to an overhead line obstacle crossing pulley.
Background
Due to construction cost and technical requirements, most overhead lines are erected by double split conductors. However, in the aspects of overhauling and maintaining the overhead line later, operators are blocked due to the spacing bars between the double wires in the movement process of the overhead line, and therefore, the obstacle crossing pulley is designed and manufactured.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
Therefore, the utility model aims to provide an overhead line obstacle crossing pulley, a rotating support rod, wherein the two ends of the support rod are respectively tilted under the action of a positioning shaft, when one end of the support rod is tilted, a positioning pin is matched with a hook groove under the action of the other end of the support rod to limit the action of one side of a door closing plug, namely a locking wire cannot deviate, the door closing plug at the tilted end is smoothly opened and spanned by the barrier of a spacing rod of a double-split wire, and the door closing plug is rotated in such a way that the door closing plug always cannot be opened due to the control of the positioning pin and a groove, namely the obstacle crossing pulley is ensured to have no safety guarantee defect space, and meanwhile, the door closing plug can store energy for a plate spring after rotating leftwards or rightwards under the action of a double pin fixed on the door closing plug, so that the door closing plug is enabled to be rotated to a controllable position under the influence of the release of the energy storage of the plate spring after the barrier crossing.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
an overhead line obstacle crossing sled, comprising:
a U-shaped frame as a connecting base frame;
the interlocking part is connected to the U-shaped frame and comprises a supporting rod which is rotationally connected to the top of the front end of the U-shaped frame through a pin shaft, and the bottoms of the two ends of the supporting rod are integrally connected with positioning shafts;
the door closing plug-in components are provided with two groups, the two groups of door closing plug-in components are symmetrically arranged on the U-shaped frame and comprise door closing plug-in components which are connected to the left side and the right side of the U-shaped frame through pivot shafts, hook grooves matched with positioning shafts are formed in the top of the door closing plug-in components, the door closing plug-in components are positioned, plate springs are fixed on the pivot shafts, and the door closing plug-in components are driven under elastic action.
As a preferable scheme of the overhead line obstacle crossing pulley of the utility model, wherein: the plate spring is fixed on the door closing plug through double pins.
As a preferable scheme of the overhead line obstacle crossing pulley of the utility model, wherein: the bottom of the front end of the U-shaped frame is symmetrically connected with a Z-shaped frame, and the Z-shaped frame and the door closing plug are arranged in one-to-one correspondence.
As a preferable scheme of the overhead line obstacle crossing pulley of the utility model, wherein: the U-shaped frame is internally connected with a pulley through a pulley shaft in a rotating way.
As a preferable scheme of the overhead line obstacle crossing pulley of the utility model, wherein: and a torsion spring is sleeved on the outer side of the pin shaft and the contact part of the pin shaft and the support rod.
Compared with the prior art: the rotating support rod, the support rod is tilted respectively at both ends under the effect of locating shaft, when one end is tilted, the locating pin acts downwards under the effect of the other end, and cooperates with the hook groove, the action of one side door closing plug is limited, namely the locking wire can not deviate from, the door closing plug at the tilted end is smoothly opened and spans across through along with the obstruction of the spacer rod of the double-split wire, so that the rotation is always carried out, one door closing plug can not be opened due to the control of the locating pin and the groove, namely the obstacle crossing pulley is ensured to have no safety guarantee defect space, and meanwhile, the door closing plug can store energy for the plate spring after left or right rotation through the effect of the double pin fixed on the door closing plug, so that the door closing plug is enabled to be turned back to the controllable position under the influence of the release energy storage of the plate spring after the spanning obstacles.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic elevational view of the present utility model;
fig. 3 is a schematic side view of the present utility model.
In the figure: 100U-shaped frame, 110Z-shaped frame, 120 pulley, 200 interlocking part, 210 branch, 211 locating pin, 220 round pin axle, 300 close door insert part, 310 close door insert, 311 hook groove, 320 pivot, 330 plate spring, 331 double pin.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The present utility model provides an overhead line obstacle crossing sled, referring to fig. 1-3, comprising, a U-shaped frame 100, an interlocking member 200 and a door closing insert member 300;
with continued reference to fig. 1-3, as a U-shaped frame 100 connected to the base frame, the bottom of the front end of the U-shaped frame 100 is symmetrically connected with a Z-shaped frame 110, the Z-shaped frame 110 is arranged in a one-to-one correspondence with a door closing plug 310, and pulleys 120 are rotatably connected in the U-shaped frame 100 through pulley shafts;
1-3, the interlocking component 200 is connected to the U-shaped frame 100, and comprises a supporting rod 210 rotatably connected to the top of the front end of the U-shaped frame 100 through a pin 220, positioning shafts 211 are integrally formed at the bottoms of two ends of the supporting rod 210, the supporting rod 210 rotates, the two ends of the supporting rod 210 tilt respectively under the action of the positioning shafts 211, when one end tilts, the positioning pins 211 act downwards under the action of the other end and are matched with the hook grooves 311 to limit the action of one side door closing plug 310 (namely, a locking wire cannot be pulled out), the door closing plug 310 at the tilting end is smoothly opened and spanned along with the obstruction of a spacer rod of a double-split wire, and the door closing plug 310 cannot be opened due to the control of the positioning pins 211 and the groove, namely, the safety guarantee free defect space of the obstacle crossing pulley is ensured;
with continued reference to fig. 1-3, the door-closing plug-in components 300 are provided with two groups, the two groups of door-closing plug-in components 300 are symmetrically arranged on the U-shaped frame 100, and include door-closing plug-in components 310 which are connected to the left and right sides of the U-shaped frame 100 through a pivot 320, a hook slot 311 matched with the positioning shaft 211 is formed at the top of the door-closing plug-in component 310, the door-closing plug-in component 310 is positioned, a plate spring 330 is fixed on the pivot 320, the plate spring 330 is fixed on the door-closing plug-in component 310 through a double pin 331, the pivot 320 drives the door-closing plug-in component 310 to act under the elastic action, and the door-closing plug-in component 310 can store energy for the plate spring 330 after rotating leftwards or rightwards through the action of the double pin 331, so that the door-closing plug-in component 310 can be turned back to a controllable position under the influence of the release of the stored energy of the plate spring 330 after crossing an obstacle.
Working principle: when the utility model is used, the support rod 210 is rotated, the two ends of the support rod 210 are respectively tilted under the action of the positioning shaft 211, when one end of the support rod is tilted, the positioning pin 211 moves downwards under the action of the other end and is matched with the hook groove 311, the action of the door closing plug 310 at one side is limited, namely, the locking wire cannot be separated, the door closing plug 310 at the tilted end is smoothly opened and spanned by the barrier of the spacing rod of the double-split wire, and the door closing plug 310 is rotated in such a way that the door closing plug 310 cannot be opened due to the control of the positioning pin 211 and the groove, namely, the barrier-crossing pulley is ensured to have no safety defect space, and meanwhile, the door closing plug 310 can store energy for the plate spring 330 after being rotated leftwards or rightwards due to the action of the double pin 331 fixed on the door closing plug 310, so that the door closing plug 310 is enabled to be rotated to a controllable position under the influence of releasing the stored energy of the plate spring 330 after the barrier crossing.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. Overhead line hinders coaster more, its characterized in that includes:
a U-shaped frame (100) as a connection base frame;
the interlocking part (200) is connected to the U-shaped frame (100) and comprises a supporting rod (210) which is rotationally connected to the top of the front end of the U-shaped frame (100) through a pin shaft (220), and positioning shafts (211) are integrally formed at the bottoms of two ends of the supporting rod (210);
the door closing plug-in components (300) are arranged in two groups, the two groups of door closing plug-in components (300) are symmetrically arranged on the U-shaped frame (100), the door closing plug-in components (310) are connected to the left side and the right side of the U-shaped frame (100) in a rotating mode through the pivot (320), the top of the door closing plug-in components (310) is provided with a hook groove (311) matched with the positioning shaft (211), the door closing plug-in components (310) are positioned, the pivot (320) is fixedly provided with a plate spring (330), and the door closing plug-in components (310) are driven to act under the elastic action.
2. The overhead line obstacle crossing sled of claim 1 wherein the leaf spring (330) is secured to the door closing insert (310) by a double pin (331).
3. The overhead line obstacle crossing pulley according to claim 1, wherein the bottom of the front end of the U-shaped frame (100) is symmetrically connected with Z-shaped frames (110), and the Z-shaped frames (110) are arranged in one-to-one correspondence with the door closing inserts (310).
4. The overhead line obstacle crossing pulley of claim 1, wherein the U-shaped frame (100) is rotatably connected with a pulley (120) via a pulley shaft.
5. The overhead line obstacle crossing pulley according to claim 1, wherein torsion springs are sleeved on the outer sides of the pin shafts (220) and corresponding contact positions with the supporting rods (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588175.XU CN220492548U (en) | 2023-06-21 | 2023-06-21 | Obstacle crossing pulley for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588175.XU CN220492548U (en) | 2023-06-21 | 2023-06-21 | Obstacle crossing pulley for overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220492548U true CN220492548U (en) | 2024-02-13 |
Family
ID=89826244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321588175.XU Active CN220492548U (en) | 2023-06-21 | 2023-06-21 | Obstacle crossing pulley for overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220492548U (en) |
-
2023
- 2023-06-21 CN CN202321588175.XU patent/CN220492548U/en active Active
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