CN217417912U - Pulley assembly for insulation pulley, lifting hook locking assembly and insulation pulley - Google Patents
Pulley assembly for insulation pulley, lifting hook locking assembly and insulation pulley Download PDFInfo
- Publication number
- CN217417912U CN217417912U CN202220205332.3U CN202220205332U CN217417912U CN 217417912 U CN217417912 U CN 217417912U CN 202220205332 U CN202220205332 U CN 202220205332U CN 217417912 U CN217417912 U CN 217417912U
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- hook
- arm
- assembly
- lifting hook
- pulley
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- 238000009413 insulation Methods 0.000 title claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 29
- 239000010959 steel Substances 0.000 claims description 29
- 238000010408 sweeping Methods 0.000 claims description 2
- 239000012212 insulator Substances 0.000 description 7
- 239000012634 fragment Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
Abstract
The utility model provides a loose pulley assembly, lifting hook lock catch assembly and insulating coaster for insulating coaster, wherein, loose pulley assembly includes: a pulley, a hook and a latch assembly; the pulley is connected with the lifting hook; the lock catch assembly comprises a hook opening closing part, a first arm, a second arm and a return elastic part which are integrally formed; the lock catch component can be rotatably connected to one end of the lifting hook connected with the pulley, and the elastic return component is buckled on the opening closing part of the lifting hook; the first arm extends from the end part of the opening and closing part of the hook to the back part of the hook, and one end of the second arm is arranged in the middle of the first arm and extends towards the top part of the hook; when the locking hook works, the free end part of the first arm can enable the locking hook assembly to rotate under the action of external force, the opening closing part of the lifting hook is opened, and the return elastic piece is compressed. The pulley assembly is simple in structure, easy to operate when being installed and detached, convenient and fast, and time and labor are saved.
Description
Technical Field
The utility model relates to an electric power machinery especially relates to a loose pulley assembly, lifting hook lock catch assembly and insulating coaster for insulating coaster.
Background
The maintenance of the power supply grid requires uninterrupted operation, so that the fixing and moving of the insulation platform (also called an insulation pulley) on the electric pole during operation are particularly important. When the insulating platform is hoisted in operation, the insulating platform needs to be assembled, an operator needs to install the insulating pulley to the pole top cross arm, but the mounting and dismounting time of the insulating pulley is long, the operation is difficult, and the operation risk coefficient is large.
In the actual operation process, the insulating platform needs to be lifted, the pulley needs to be assembled when the insulating platform is lifted, and the pulley needs to be installed when an operator ascends to the cross arm of the pole top, so that the distance between the operator and the conducting wire is short, and the installation risk is high.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a loose pulley assembly for insulating coaster to solve among the prior art loose pulley assembly's of insulating coaster above-mentioned problem.
The embodiment of the utility model provides a still provide an use loose pulley assembly's insulating coaster and a lifting hook lock catch assembly.
The utility model provides a loose pulley assembly for insulating coaster includes: a pulley, a hook and a latch assembly;
the pulley is connected with the lifting hook; the lock catch assembly comprises a hook opening closing part, a first arm, a second arm and a return elastic part which are integrally formed; the lock catch component can be rotatably connected to one end of the lifting hook connected with the pulley, and the elastic return component is buckled on the opening closing part of the lifting hook; the first arm extends from the end part of the hook opening closing part to the back part of the hook, and one end of the second arm is arranged in the middle of the first arm and extends towards the top part of the hook; when the locking hook works, the free end part of the first arm can enable the locking hook assembly to rotate under the action of external force, the opening closing part of the lifting hook is opened, and the return elastic piece is compressed.
Optionally, the first arm and the second arm respectively include two rigid rods disposed on two sides of the hook.
Optionally, a lifting ring is further respectively disposed at the free ends of the first arm and the second arm.
Optionally, a fixing device is further arranged in a sweeping area when the back of the lifting hook moves corresponding to the first arm; the fixing device is used for fixing the first arm when the first arm rotates to open the hook opening closing part.
Optionally, the fixing device includes a sleeve, a spring and a steel ball, the spring and the steel ball are disposed in the sleeve, the spring is disposed inside the sleeve, and the steel ball is disposed in an opening at an end of the sleeve and is abutted to the spring; the diameter of the steel ball is larger than the size of the opening of the sleeve, and the steel ball partially protrudes out of the opening under the action of the elastic force of the spring;
the sleeve is fixedly arranged on the back of the lifting hook, and the end part of the sleeve faces to the two sides of the lifting hook; when the first arm opens the hook opening closing portion and rotates, the first arm contacts the steel ball and presses the steel ball into the sleeve.
Optionally, steel balls are arranged on both sides of the sleeve.
Optionally, the fixing device is an elastic rod arranged at the back of the lifting hook.
Optionally, the return elastic element is a spring plate, one end of the spring plate is fixed on the lifting hook, and the other end of the spring plate is buckled on the opening closing part of the lifting hook.
In addition, the application also provides an insulation pulley, which comprises the pulley assembly as described in any one of the above 1 to 7.
In addition, the application also provides a lifting hook locking component, wherein the lifting hook locking component comprises a lifting hook and a locking component;
the lock catch assembly comprises a hook opening closing part, a first arm, a second arm and a return elastic part which are integrally formed; the locking component can be rotatably connected to one side of the lifting hook provided with the lifting ring, and the elastic return piece is buckled on the opening closing part of the lifting hook; the first arm extends from the hook opening closing part to the hook back part, and one end of the second arm is arranged in the middle of the first arm and extends towards the hook top part; when the locking hook works, the free end part of the first arm can enable the locking hook assembly to rotate under the action of external force, the opening closing part of the lifting hook is opened, and the return elastic piece is compressed.
The application provides a loose pulley assembly is through setting up the hasp subassembly for loose pulley assembly can hang and dismantle through the insulator spindle, avoids the operating personnel directly to hang the lifting hook, can reduce operating personnel's danger greatly when being used for the insulating pulley when electric power overhauls, guarantees going on smoothly of electric power maintenance work. In addition, this application loose pulley assembly's couple can also realize opening and the closure of lifting hook opening through the insulator spindle.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a sheave assembly for an insulation block according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a fixing device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As mentioned before, need not the operation of cutting off the power supply when the power supply grid overhauls, during the operation operating personnel need stand on insulating platform, and insulating coaster is fixed or fixes on the pole with the mode that can reciprocate, and stay cord one end is fixed on insulating coaster, and the pulley of hanging on pole top cross arm is walked around to the other end to fix once more, the stay cord is convenient for operating personnel on the one hand and makes insulating coaster reciprocate, and on the other hand also provides the protection when certain degree is to the unexpected gliding of insulating coaster.
How to safely mount the pulley on the cross arm (or the joint of the cross arm and the electric pole) is a problem which has to be considered by a person skilled in the art. Based on above-mentioned problem, this application provides a loose pulley assembly, and this loose pulley assembly can make and do the operation personnel and mention loose pulley assembly and hang in the cross arm through the insulator spindle, avoids the operation personnel to cross closely apart from the cross arm, has guaranteed operation personnel's safety.
The sheave assembly of the present application is described in detail below with reference to the accompanying drawings.
In the embodiment of the application, as shown in the attached fig. 1-2, the application provides a pulley assembly for an insulation pulley, which comprises a pulley 1, a hook 2, two insulation fixing sheets 3 with shaft holes at two ends and a locking assembly 4; in one embodiment, the insulating pulley 1 comprises two insulating circular plates 11 and a concave-shaped rotating wheel 12 (not shown in the figure) clamped between the two insulating circular plates 11; two insulating plectanes 11 and concave type runner center all are equipped with the shaft hole, and the outside of two insulating plectanes 11 respectively sets up an insulating stationary blade 3, the one end of two insulating stationary blades 3 through the pivot that runs through the shaft hole with 1 swing joint of insulating pulley. Lifting ring (not shown in the figure) is arranged below the lifting hook 2, the lifting ring is positioned between the other ends of the two insulating fixing pieces 3, and the two insulating fixing pieces 3 are movably connected with the lifting ring 22 through a rotating shaft penetrating through the shaft hole and the lifting ring. The locking component 4 is rotatably connected with the position, close to the hanging ring, outside the opening part 21 of the hanging hook.
The latch assembly 4 includes a hook opening closing portion 41, first and second arms 43 and 42, and a return elastic member (not shown in the drawings). The one end of hasp subassembly 4 through its lifting hook opening closed portion 41 with lifting hook rotatable coupling, return elastic component can be the shell fragment, and on one end was fixed in the lifting hook, the other end lock in on the lifting hook opening closed portion 41, when this shell fragment did not receive external force, lifting hook opening closed portion 41 will 2 openings of lifting hook are closed (as shown in fig. 1 lifting hook opening closed portion 41 tip 44 with 2 hook tips 24 butts of lifting hook) lifting hook opening closed portion 41 receives external force when rotating around its and lifting hook junction, can make the shell fragment receives pressure and takes place elastic deformation, and after the external force was cancelled, the shell fragment return made lifting hook opening closed portion 41 closed 2 openings of lifting hook.
The first arm 43 is integrally formed with the hook opening and closing part 41, and extends from an end 44 of the hook opening and closing part 41 to the back of the hook (i.e. to the outside of the hook body 22 away from the hook tip 24 of the hook 2), and the first arm 43 may be two rigid rods arranged in parallel, and the ends of the two rigid rods are provided with lifting loops 47. The two rigid rods are respectively arranged at two sides of the lifting hook 2, and the lifting hook 2 penetrates through the area between the two rigid rods.
The lifting tab 47 may be circular, oval, square or any other shape that can be hooked by a hook. Through setting up this lifting ring, the operating personnel can operate this hasp subassembly through the insulator spindle, realizes lifting hook open-ended switching, for example, when lifting hook 2 hangs at the pole top, the operating personnel can hang through the hook at insulator spindle top lifting ring 47 to pull downwards for first arm 43 rotates, and then drives lifting hook opening closed portion 41 and rotates, makes the opening of lifting hook 2 open. When the pulling force is released or the pulling ring 47 is pushed upward, the first arm 43 and the shackle opening closing part 41 rotate in opposite directions to close the opening of the shackle 2, thereby ensuring that the hook 2 is safely and firmly hung on the hung object.
After the opening of the hook opening closing part 41, a fixing device 23 is also required to maintain the opened state so that the hook 2 can be removed from the top of the pole.
In the present embodiment, the fixing means 23 are arranged to sweep the area on the back of the hook 2 in correspondence with the movement of the first arm 43; the fixing means 23 is for fixing the first arm 43 when the first arm 43 is rotated to open the hook opening closing part 41.
As shown in fig. 2, the fixing device 23 includes a sleeve 231, a spring 232 and a steel ball 233, the spring 232 is disposed inside the sleeve 231, the steel ball 233 is disposed inside the sleeve end openings 234 and 235, and abuts against the spring 232; the diameter of the steel ball 233 is larger than the size of the openings 234 and 235 of the sleeve, so that the steel ball 233 is not pulled out of the sleeve, and the steel ball 233 partially protrudes out of the openings under the action of the elastic force of the spring 232;
the sleeve 231 is fixedly arranged at the back of the lifting hook 2, and the end part of the sleeve faces to the two sides of the lifting hook 2; when the first arm 43 rotates by opening the hook opening closing portion 41, the first arm 43 comes into contact with the steel ball 233 to press the steel ball 233 into the sleeve 231.
The steel ball may be disposed at one end of the sleeve 231, or both ends of the sleeve, which is taken as an example in this embodiment. As described above, the first arm 43 includes two parallel rigid rods, the rod pitch of the two rigid rods is slightly smaller than the length of the fixing device 23, during the downward rotation of the first arm 43, the two rigid rods contact with the steel balls 233 at the two ends of the sleeve 231 and press the two steel balls 233, so that the steel balls 233 are retracted into the sleeve 231, and after the two rigid rods pass through the position of the fixing device 23, the two steel balls 233 pressed into the sleeve 231 protrude out of the end opening of the sleeve 231 again under the elastic force of the internal spring 232. After the external force is removed from the first arm 43, the elastic force of the return elastic member causes the hook opening closing part 41 to drive the first arm 43 to rotate upward until the rotation is stopped by the steel ball 233 at the fixing device, so that the first arm 43 is kept at the position, that is, the opening of the hook 2 is kept open. Unless a greater force is applied to the end of the first arm 43 (at the pull ring 47), the first arm 43 can be moved upward against the stop of the steel balls 233.
Of course, the fixing device may be other structures, such as an elastic rod, and any structure capable of preventing the first arm 43 from freely rotating may be applied thereto, which is not described in this application.
In addition, the latch assembly of the present application further includes a second arm 42 integrally formed with the first arm 43. One end of the second arm 42 is disposed on the first arm 43, as shown at 45 in fig. 1, and extends out of the hook 2 from the middle of the first arm 43 near the lifting ring 47 to the top of the hook 2 and toward the opening side of the hook 2, and the end of the second arm 42 is disposed with a lifting ring 46. When the hook 2 is hung up on or off the top of the pole, the worker can lift the sheave assembly by hooking the lifting ring 46 with the hook on the top of the insulating pole.
In this embodiment, the second arm 42 is also two rigid rods disposed on both sides of the hook 2, and the second arm 42 and the first arm 43 are integrally formed, so that the second arm 42 can rotate with the rotation of the first arm 43, and the second arm 42 is disposed at a position and an angle relative to the first arm 43 such that the second arm 42 does not tighten with a support (e.g., a pole cross-arm or a pole top cross-arm) entering the opening of the hook 2 when the hook opening closing portion 41 is in the closed state.
The pulley assembly is used as follows: the hook opening closing part 41 can be opened by manually pressing or pulling the lifting ring 47 at the end of the first arm 42, and then the lifting ring 46 of the second arm 42 is hooked by the insulating rod end hook, and lifted upwards to hang the hook 2 on the top of the electric pole, and after the top support of the electric pole enters the space inside the opening of the hook 2, the first arm 42 is lifted upwards by the insulating rod end hook, so that the hook opening closing part 41 is closed. The loose pulley assembly of above-mentioned embodiment is through setting up the hasp subassembly for loose pulley assembly can hang and dismantle through the insulator spindle, avoids the operation personnel directly to hang the lifting hook, can reduce operation personnel's danger greatly when being used for the insulating pulley when electric power overhauls, guarantees going on smoothly of electric power maintenance work. In addition, this application pulley assembly's lifting hook can also realize opening and closing of lifting hook opening through the insulator spindle.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A sheave assembly for an insulation block, comprising: a pulley, a hook and a latch assembly;
the pulley is connected with the lifting hook;
the lock catch assembly comprises a hook opening closing part, a first arm, a second arm and a return elastic part which are integrally formed; the lock catch component can be rotatably connected to one end of the lifting hook connected with the pulley, and the elastic return component is buckled on the opening closing part of the lifting hook; the first arm extends from the end part of the hook opening closing part to the back part of the hook, and one end of the second arm is arranged in the middle of the first arm and extends towards the top part of the hook;
when the locking hook works, the free end part of the first arm can enable the locking assembly to rotate under the action of external force, the opening closing part of the lifting hook is opened, and the return elastic part is compressed.
2. The sheave assembly for an insulation block of claim 1, wherein the first and second arms each include two rigid rods disposed on opposite sides of the hook.
3. A sheave assembly for an insulation block as claimed in claim 1 or 2, further provided with a lift ring at the free ends of the first and second arms respectively.
4. The sheave assembly for an insulation block of claim 1, wherein: a fixing device is further arranged in a sweeping area when the back of the lifting hook moves corresponding to the first arm; the fixing device is used for fixing the first arm when the first arm rotates to open the hook opening closing part.
5. The sheave assembly for an insulation block of claim 4, wherein: the fixing device comprises a sleeve, a spring and a steel ball, wherein the spring and the steel ball are arranged in the sleeve; the diameter of the steel ball is larger than the size of the opening of the sleeve, and the steel ball partially protrudes out of the opening under the action of the elastic force of the spring;
the sleeve is fixedly arranged on the back of the lifting hook, and the end part of the sleeve faces to the two sides of the lifting hook; when the first arm opens the hook opening closing portion and rotates, the first arm contacts the steel ball and presses the steel ball into the sleeve.
6. The sheave assembly for an insulation block of claim 5, wherein the steel balls are disposed on both sides of the sleeve.
7. The sheave assembly for an insulation block of claim 4, wherein the fixing means is an elastic rod provided at a back of the hook.
8. The sheave assembly of claim 1, wherein the return spring is a spring, and one end of the spring is fixed to the hook and the other end of the spring is fastened to the opening closing portion of the hook.
9. An insulation block comprising a sheave assembly as claimed in any one of claims 1 to 8.
10. A lifting hook lock catch assembly is characterized by comprising a lifting hook and a lock catch assembly;
the lock catch assembly comprises a hook opening closing part, a first arm, a second arm and a return elastic part which are integrally formed; the locking component can be rotatably connected to one side of the lifting hook provided with the lifting ring, and the elastic return piece is buckled on the opening closing part of the lifting hook; the first arm extends from the hook opening closing part to the hook back part, and one end of the second arm is arranged in the middle of the first arm and extends towards the hook top part;
when the locking hook works, the free end part of the first arm can enable the locking hook assembly to rotate under the action of external force, the opening closing part of the lifting hook is opened, and the return elastic piece is compressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205332.3U CN217417912U (en) | 2022-01-25 | 2022-01-25 | Pulley assembly for insulation pulley, lifting hook locking assembly and insulation pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220205332.3U CN217417912U (en) | 2022-01-25 | 2022-01-25 | Pulley assembly for insulation pulley, lifting hook locking assembly and insulation pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217417912U true CN217417912U (en) | 2022-09-13 |
Family
ID=83177787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220205332.3U Expired - Fee Related CN217417912U (en) | 2022-01-25 | 2022-01-25 | Pulley assembly for insulation pulley, lifting hook locking assembly and insulation pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217417912U (en) |
-
2022
- 2022-01-25 CN CN202220205332.3U patent/CN217417912U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |