CN213294613U - Special tool for pulling and lifting lock ejector pin in lifting appliance - Google Patents
Special tool for pulling and lifting lock ejector pin in lifting appliance Download PDFInfo
- Publication number
- CN213294613U CN213294613U CN202021999930.XU CN202021999930U CN213294613U CN 213294613 U CN213294613 U CN 213294613U CN 202021999930 U CN202021999930 U CN 202021999930U CN 213294613 U CN213294613 U CN 213294613U
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- pin
- lock
- hook
- handle
- pulling
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Abstract
The utility model discloses a lockpin draws and rises specialized tool in hoist, include: the fixing bracket is clamped on the lock head box body and used for fixing the special tool; the handle is rotatably connected with the fixed bracket; the locking piece hook comprises a fixing part and a hook body; the fixing part is fixedly connected with one end of the handle; one end of the hook body is a movable end which slides or rotates relative to the fixed part; the other end of the hook body is a hook end for hooking the knock pin lock disc. The utility model is provided with the lock block hook movably connected with the handle, so that the lock block hook can be easily hooked at the ejector pin lock disc; in addition, the handle can rotate relative to the fixed support, and the locking block hook can be easily pulled by utilizing the lever principle, so that the pulling-up of the ejector pin is realized, the labor is greatly saved, the working difficulty is reduced, and the safety of the working environment is improved.
Description
Technical Field
The utility model relates to a mechanical tool technical field, locking knock pin draws high specialized tool in concretely relates to hoist.
Background
The tool to lock is because of structural design reason in the hoist, and the knock pin is inboard at hoist lock case roof beam, can't follow the outside and directly prize the knock pin lock dish back pad and go into the locking piece, carries out the operation of knock pin jack-up, needs the manual work jack-up knock pin with hand. Still another general jacking knock pin method is to put four 25mm cubic lockhole boxes on the ground by using the lockhole box, drop the lifting appliance on the top, jack up the knock pin by using the upper side of the lockhole box, and the lifting appliance is too low to observe and overhaul mechanisms such as the lifting appliance tapered end, the knock pin and the like because the lifting appliance is too low to be away from the ground.
To sum up, the special tool for pulling and lifting the ejector pin in the lifting appliance needs to be designed to solve the problems that the traditional method for lifting the ejector pin on the ground is inconvenient to use and is difficult to observe and overhaul mechanisms such as a lock head, the ejector pin and a limiting mechanism of the lifting appliance.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned prior art problem, the utility model provides a locking knock pin draws and rises specialized tool in hoist can easily conveniently pull up knock pin lock dish, uses manpower sparingly, and convenient to use improves the security.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
lock knock pin draws and rises specialized tool in hoist includes:
the fixing bracket is clamped on the lock head box body and used for fixing the special tool;
the handle is rotatably connected with the fixed bracket;
the locking piece hook comprises a fixing part and a hook body;
the fixing part is fixedly connected with one end of the handle; one end of the hook body is a movable end which slides or rotates relative to the fixed part; the other end of the hook body is a hook end for hooking the knock pin lock disc.
In some embodiments of the present invention, the special tool is further provided with a locking pin, and the locking pin is connected with the fixing bracket through a chain.
In some embodiments of the present invention, the fixing bracket includes a fixing rod, a supporting portion and a hanging portion, wherein the hanging portion is disposed at the top of the fixing rod, and the lock head box is limited between the supporting portion and the hanging portion.
In some embodiments of the present invention, the fixing bracket further includes a connecting portion disposed below the supporting portion, for rotatably connecting with the handle.
In some embodiments of the present invention, the handle includes a rotating portion and a holding portion, and the rotating portion is fixed to the connecting portion by a bolt; the handheld part is in a long rod shape.
In some embodiments of the present invention, the fixing portion is a circular ring, and the fixing portion is fixedly connected to the rotating portion.
In some embodiments of the present invention, the movable end of the hook body is a ring structure, and the ring structure is fastened to the fixing portion.
In some embodiments of the present invention, the locking pin is elongated, and the length of the chain is greater than the length of the locking pin.
In some embodiments of the present invention, the handle is an integrally formed structure.
The utility model discloses a theory of operation does:
when the device is used, the device is fixed on a lock head box body by utilizing the hanging part and the supporting part of the fixed support, particularly, the hanging part of the fixed support is hung above the lock head box body, and the supporting part is butted below the lock head box body; then the locking block hook is placed at the ejector pin lock disc, the handle is pressed by utilizing the lever principle, the rotating part of the handle rotates relative to the fixed support, so that the locking block hook is pulled to lift the ejector pin lock disc, and finally the locking pin is inserted into the lower part of the ejector pin lock disc, so that the maintenance of parts such as a lock head of the lifting appliance is realized.
The technical scheme of the utility model prior art relatively has following technological effect:
the utility model is provided with the lock block hook movably connected with the handle, and the lock block hook can slide or rotate relative to the handle, so the lock block hook can be easily hooked at the top pin lock disc; in addition, the handle can rotate relative to the fixed support, and the locking block hook can be easily pulled by utilizing the lever principle, so that the pulling-up of the ejector pin is realized, the labor is greatly saved, the working difficulty is reduced, and the safety of the working environment is improved.
On the other hand, the utility model discloses a be equipped with the supporting part on the fixed bolster and make this specialized tool fix on the tapered end box with the portion of hanging, for the rotation of handle and pulling of locking piece couple rise and provide stable fulcrum, strengthened specialized tool's safety in utilization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments 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 it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a special tool for pulling up a lock pin in a lifting appliance.
Fig. 2 is a schematic structural view of the fixing bracket.
Fig. 3 is a front view of the handle.
Fig. 4 is a right side view of the handle.
Fig. 5 is a front view of the lock block hook.
Fig. 6 is a right side view of the lock block hook.
Reference numerals: 100-fixing a bracket; 110-a fixing bar; 120-a connecting portion; 130-a support; 140-a suspension; 200-a handle; 210-a hand-held portion; 220-a rotating part; 221-a through hole; 300-locking block hook; 310-hook body; 311-hook end; 312-a mobile end; 320-a fixed part; 400-a locking pin; 500-bolt; 600-chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Lock knock pin draws and rises specialized tool in hoist includes:
the fixing bracket 100 is clamped on the lock head box body and used for fixing the special tool;
a handle 200 rotatably connected to the fixing bracket 100;
a locking piece hook 300 including a fixing portion 320 and a hook body 310;
wherein, the fixing part 320 is fixedly connected with one end of the handle 200; one end of the hook body 310 is a movable end 312, and the movable end 312 slides or rotates relative to the fixed part 320; the other end of the hook body 310 is a hook end 311 for hooking a knock pin lock disc.
In some embodiments of the present invention, the special tool is further provided with a locking pin 400, and the locking pin 400 is connected to the fixing bracket 100 through a chain 600. The locking pin 400 is elongated, wherein the length of the chain 600 is greater than the length of the locking pin 400; this arrangement facilitates the insertion of the locking pin 400 under the ejector pin lock plate by the operator; on the other hand, utilize chain 600 to link together locking pin 400 and fixed bolster, conveniently accomodate and place, avoid omitting.
In some embodiments of the present invention, referring to fig. 2, the fixing bracket 100 includes a fixing rod 110, a supporting portion 130 and a hanging portion 140, wherein the hanging portion 140 is disposed on the top of the fixing rod 110, and the lock case is limited between the supporting portion 130 and the hanging portion 140. Specifically, the hanging portion 140 is provided with a downward groove, the groove can be hung on the upper edge of the lock cylinder box, and the supporting portion 130 abuts against the lower edge of the lock cylinder box, so that the fixing bracket 100 is attached to the lock cylinder box and fixed on the lock cylinder box. Provides a stable fulcrum for the rotation of the handle 200 and the lifting of the lock block hook, and enhances the use safety of the special tool.
In some embodiments of the present invention, the fixing bracket 100 further includes a connecting portion 120 disposed below the supporting portion 130 for rotatably connecting with the handle 200. The connecting portion 120 is provided with a through hole for passing the bolt 500; the bolt 500 is used to connect the handle 200 and the fixing bracket 100 to be rotatable with respect to each other.
In some embodiments of the present invention, referring to fig. 3 and 4, the handle 200 includes a rotating portion 220 and a holding portion 210, the rotating portion 220 is a disc shape, and a corresponding through hole is also provided in the middle of the disc for passing through the bolt 500. Specifically, the rotating part 220 is fixed to the connecting part 120 of the fixing bracket 100 by the bolt 500; the handle 200 is rotated relative to the fixed bracket 100 by the rotating part 220. The locking block hook can be easily pulled by utilizing the lever principle, so that the pulling-up of the ejector pin is realized, and the working difficulty is reduced.
The handheld portion 210 is long rod-shaped, so that the force arm is increased, the operation of workers is facilitated, and the manpower is greatly saved. The handle 200 is an integrally formed structure, so that the strength of the special tool is improved, and the service life is prolonged.
In some embodiments of the present invention, referring to fig. 5 and 6, the fixing portion 320 of the locking piece hook 300 is a circular ring, specifically an oval ring, and one of the long edges is welded to the rotating portion 220. The upper end of the hook body 310, i.e. the movable end 312, is a ring structure, and the ring structure is fastened to the annular fixing part 320; the locking block hook 300 can slide or rotate relative to the handle 200, so that the position of the locking block hook 300 can be adjusted in multiple angles; on the other hand, the lower end of the hook body 310 is a hook end 311, which is perpendicular to the hook body 310 in this embodiment, so that the hook body is easily hung on the knock pin lock disk, and the safety of the working environment is improved.
The utility model discloses a theory of operation does:
when the tool is used, the suspension part 140 and the supporting part 130 of the fixing support 100 are firstly utilized to fix the tool on a lock head box body, specifically, the suspension part 140 is clamped at the upper edge of the lock head box body, the supporting part 130 is abutted against the lower part of the lock head box body to complete the fixing of a special tool, and the step also provides a stable fulcrum for a lever; then, the position of the locking block hook 300 is adjusted by using the annular movable end 312 of the hook body 310 and the elliptical annular fixing part 320 to be placed at the ejector pin lock disc, then the handle 200 is pressed by using the lever principle, the rotating part 220 of the handle 200 rotates relative to the fixing support 100, so that the locking block hook 300 is pulled to lift the ejector pin lock disc, and finally the locking pin 400 is inserted below the ejector pin lock disc, so that the maintenance of the components such as the lock head of the lifting appliance is realized.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a specific embodiment of the present invention, but the protection 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 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 (9)
1. Lock knock pin draws and rises specialized tool in hoist, its characterized in that includes:
the fixing bracket is clamped on the lock head box body and used for fixing the special tool;
the handle is rotatably connected with the fixed bracket;
the locking piece hook comprises a fixing part and a hook body;
the fixing part is fixedly connected with one end of the handle; one end of the hook body is a movable end which slides or rotates relative to the fixed part; the other end of the hook body is a hook end for hooking the knock pin lock disc.
2. The special tool for pulling up the lock top pin in the lifting appliance according to claim 1, wherein the special tool is further provided with a lock pin, and the lock pin is connected with the fixed bracket through a chain.
3. The tool special for pulling up the lock top pin in the lifting appliance according to claim 1, wherein the fixing bracket comprises a fixing rod, a supporting portion and a hanging portion, the hanging portion is arranged on the top of the fixing rod, and the lock head box body is limited between the supporting portion and the hanging portion.
4. The tool special for pulling up the jacking pin in the lifting appliance according to claim 3, wherein the fixing bracket further comprises a connecting part which is arranged below the supporting part and is used for being rotatably connected with the handle.
5. The tool special for pulling up the jacking pin in the lifting appliance according to claim 4, wherein the handle comprises a rotating part and a handheld part, and the rotating part is fixed with the connecting part through a bolt; the handheld part is in a long rod shape.
6. The tool special for pulling up the ejector pin in the spreader according to claim 5, wherein the fixed part is annular, and the fixed part is fixedly connected with the rotating part.
7. The tool special for pulling up the ejector pin in the spreader according to claim 1, wherein the movable end of the hook body is a ring structure, and the ring structure is fastened to the fixed portion.
8. The special tool for pulling up the locking pin in the lifting appliance according to claim 2, wherein the locking pin is long, and the length of the chain is greater than that of the locking pin.
9. The special tool for pulling up the jacking pin in the lifting appliance according to claim 1, wherein the handle is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999930.XU CN213294613U (en) | 2020-09-14 | 2020-09-14 | Special tool for pulling and lifting lock ejector pin in lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021999930.XU CN213294613U (en) | 2020-09-14 | 2020-09-14 | Special tool for pulling and lifting lock ejector pin in lifting appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213294613U true CN213294613U (en) | 2021-05-28 |
Family
ID=76031132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021999930.XU Expired - Fee Related CN213294613U (en) | 2020-09-14 | 2020-09-14 | Special tool for pulling and lifting lock ejector pin in lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213294613U (en) |
-
2020
- 2020-09-14 CN CN202021999930.XU patent/CN213294613U/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: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |