CN217620250U - Chain installer - Google Patents
Chain installer Download PDFInfo
- Publication number
- CN217620250U CN217620250U CN202221385844.9U CN202221385844U CN217620250U CN 217620250 U CN217620250 U CN 217620250U CN 202221385844 U CN202221385844 U CN 202221385844U CN 217620250 U CN217620250 U CN 217620250U
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- Prior art keywords
- hook
- chain
- ratchet wheel
- sheet
- locking device
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Abstract
The utility model relates to a frock tool field discloses a chain erector, including upper bracket, lower carriage, band spool, locking device. The two sides of the upper support and the lower support are both provided with connecting holes, and the belt shaft penetrates through the connecting holes to movably connect the upper support and the lower support. The two ends of the belt shaft are provided with ratchet wheels which rotate simultaneously with the belt shaft. The locking device is arranged on the upper support and positioned above the ratchet wheel and used for driving the ratchet wheel to rotate in the forward direction. The locking device is arranged on the lower support and positioned below the ratchet wheel and used for blocking the ratchet wheel from reversely rotating. The belt shaft is wound with a pull belt, and the pull belt is provided with a first hook. The lower end of the lower bracket is fixedly provided with a second hook. The tail ends of the first hook and the second hook are provided with blocking blocks for preventing unhooking. The utility model discloses a two couples block the both ends of chain, pull the upper bracket and can easily be drawn close the chain at both ends, install. Not only labour saving and time saving is efficient, can prevent to unhook moreover, operates the safety guarantee.
Description
Technical Field
The utility model belongs to the technical field of the frock tool and specifically relates to a chain erector.
Background
Large machines such as gantry cranes are equipped with large chains, and when the chains are installed and maintained, two ends of the chains need to be drawn close and then connected through chain connecting sections. Since the large chain is heavy, a large force is required to pull the two ends of the chain close after the chain is hung on the gear. The one end at the chain is tied up to current mode of drawing close, adopts the rope usually, then takes the rope on mechanical horizontal pole, draws the rope through fork truck or many people, draws close the both ends of chain, connects. The method is time-consuming and labor-consuming, and has great potential safety hazard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chain erector, whole small, portable blocks the both ends of chain through two couples moreover, pulls the upper bracket and can easily be drawn close the chain at both ends, installs. Not only labour saving and time saving is efficient, can prevent to break off relations moreover, operation safety guarantee.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a chain erector, which comprises an upper bracket, a lower bracket, a belt shaft, a locking device and a locking device; connecting holes are formed in the two sides of the upper support and the lower support, the belt shaft penetrates through the connecting holes to movably connect the upper support and the lower support, and ratchet wheels rotating simultaneously with the belt shaft are arranged at the two ends of the belt shaft; the locking device is arranged on the upper bracket, is positioned above the ratchet wheel and is used for driving the ratchet wheel to rotate in the forward direction; the locking device is arranged on the lower bracket, is positioned below the ratchet wheel and is used for blocking the reverse rotation of the ratchet wheel; a pull belt is wound on the belt shaft, and a first hook is arranged on the pull belt; a second hook is fixed at the lower end of the lower bracket; and blocking blocks for preventing unhooking are arranged on the first hook and the second hook.
Furthermore, the stop block of the first hook is arranged at the tail end of the hook, and the stop block of the second hook is arranged on the hook of the hook.
Further, the locking device comprises a pushing sheet and a torsion spring; a first sliding groove is formed in the side edge of the upper support, and the pushing sheet is arranged in the first sliding groove in a manner of moving up and down; the push sheet is provided with a spring hole, one end of the torsion spring is connected with the first sliding groove in a clamped mode, the other end of the torsion spring is connected with the spring hole in a clamped mode, and the lower end of the push sheet is abutted to the tooth groove of the ratchet wheel.
Furthermore, a handle convenient to lift is arranged at the upper end of the pushing sheet and is positioned in the upper bracket.
Further, a handle sheath is arranged on the handle.
Furthermore, the outer edge of the connecting hole of the lower support frame is provided with a stroke limiting sheet, and the stroke limiting sheet is provided with a limiting bulge matched with the pushing sheet and a limiting groove for jacking the pushing sheet to be separated from the tooth socket of the ratchet wheel.
Further, the locking device comprises a locking piece and a pressure spring; a second sliding groove is formed in the side edge of the lower support, and the locking piece is arranged in the second sliding groove in a vertically movable mode; a convex rod extends downwards from the lower end of the locking piece, a fixing plate is arranged on the lower support, and a through hole for the convex rod to pass through is formed in the fixing plate; the pressure spring penetrates through the convex rod, the upper end of the pressure spring is abutted against the locking piece, and the lower end of the pressure spring is abutted against the fixed plate.
Furthermore, the outer edge of the connecting hole of the upper bracket is provided with a convex edge used for pressing the locking sheet downwards to be separated from the tooth socket of the ratchet wheel.
Further, the ratchet wheel is arranged between the connecting holes of the upper support and the lower support.
Further, a handle sheath is arranged above the upper support.
The utility model discloses an useful part is:
1. the utility model discloses a locking device and locking means cooperate with the ratchet, can drive through the push-and-pull upper bracket and take the axle to carry out the folk prescription to rotate to roll up the setting and take epaxial stretching strap, the second couple of first couple on the stretching strap and lower carriage lower extreme blocks respectively at the both ends of chain, and when the rolling stretching strap, the distance of two couples can be drawn near, thereby realizes drawing near the chain both ends, accomplishes the installation. The distance between the belt shaft and the upper bracket is the moment length, and labor is saved due to the lever principle. Because the tail ends of the first hook and the second hook are provided with the blocking blocks for preventing unhooking, the operation safety is further ensured.
2. The utility model discloses a first couple setting is on drawing the area, and for removing the couple, the second couple is fixed at the lower carriage lower extreme, and for fixed couple, one moves a quiet use more stable.
3. The lower bracket of the utility model is provided with a stroke limiting sheet, and the upper bracket is provided with a convex edge; when the pull belt needs to be lengthened, the upper support and the lower support are pulled to the same plane, the limiting groove of the stroke limiting piece jacks up the pushing piece, the convex edge of the upper support presses the locking piece downwards, the pushing piece and the locking piece are separated from the ratchet wheel, the belt shaft is enabled to rotate freely, and the stretching length of the first hook is convenient to adjust.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the utility model after the drawstring is hidden.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a structural schematic diagram of the upper bracket.
Fig. 5 is a schematic structural view of the lower bracket.
Description of the main component symbols:
1. the handle comprises an upper bracket 11, a first sliding groove 12, a convex edge 13 and a handle sheath;
2. the lower support 21, the second sliding groove 22, the fixing plate 23, the through hole 24, the stroke limiting sheet 241, the protrusion 242 and the limiting groove;
3. a belt shaft;
4. the locking device 41, the pushing sheet 411, the spring hole 412, the handle 42 and the torsion spring;
5. the locking device 51, the locking sheet 52, the pressure spring 53 and the convex rod;
6. connecting holes;
7. a ratchet wheel;
8. pulling the belt;
9. first couple, 91, second couple, 92, stop block.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 5, the present invention discloses a chain installer, which comprises an upper bracket 1, a lower bracket 2, a belt shaft 3, a locking device 4, and a locking device 5.
Both sides of the upper support 1 and the lower support 2 are provided with connecting holes 6, and the belt shaft 3 penetrates through the connecting holes 6 to movably connect the upper support 1 with the lower support 2.
Both ends of the belt shaft 3 are provided with ratchet wheels 7 which rotate simultaneously with the belt shaft 3. The ratchet wheel 7 is arranged between the connecting holes 6 of the upper bracket 1 and the lower bracket 2.
A drawstring 8 is wound on the belt shaft 3, and a first hook 9 is arranged on the drawstring 8. The lower end of the lower bracket 2 is fixed with a second hook 91. The first hook 9 and the second hook 91 are both provided with a block 92 for preventing unhooking. Wherein the stop block 92 of the first hook 9 is arranged at the end of the hook, and the stop block 92 of the second hook 91 is arranged on the hook of the hook. When the chain clamping device is used, the first hook 9 clamps the chain end below, and the second hook 91 clamps the chain end above.
The locking device 4 is arranged on the upper bracket 1 and positioned above the ratchet wheel 7, and is used for driving the ratchet wheel 7 to rotate in the forward direction. Specifically, the locking device 4 includes a pushing piece 41 and a torsion spring 42. The side of the upper bracket 1 is provided with a first sliding groove 11, and the pushing sheet 41 is arranged in the first sliding groove 11 in a manner of moving up and down. The pushing sheet 41 is provided with a spring hole 411, one end of the torsion spring 42 is clamped with the first sliding groove, the other end of the torsion spring 42 is clamped with the spring hole 411, and the lower end of the pushing sheet 41 is abutted against the tooth groove of the ratchet wheel 7 under the action of the elastic force of the torsion spring 42. One side of the gear teeth of the ratchet wheel 7 is arc-shaped, and the other side is right-angled. When the upper bracket 1 is pushed upwards, the pushing sheet 41 moves along the gear teeth on one side of the arc shape of the ratchet wheel 7 without blocking; when the upper bracket 1 pushes downwards, the pushing sheet 41 is abutted against the gear teeth on one right-angle side of the ratchet wheel 7, when the upper bracket 1 pushes downwards, the ratchet wheel 7 can be driven to rotate, the belt shaft 3 rotates along with the ratchet wheel 7, the pull belt 8 is wound, and the distance between the first hook 9 and the second hook 91 is reduced, so that the distance between two ends of the chain is shortened.
The locking device 5 is arranged on the lower bracket 2 and is positioned below the ratchet wheel 7 for preventing the ratchet wheel 7 from rotating reversely. Specifically, the lock device 5 includes a lock piece 51 and a pressure spring 52. The side of the lower frame 2 is provided with a second sliding groove 21, and the locking piece 51 is disposed in the second sliding groove 21 in a manner of moving up and down. A protruding rod 53 extends downwards from the lower end of the locking piece 51, a fixing plate 22 is arranged on the lower bracket 2, and a through hole 23 for the protruding rod 53 to pass through is arranged on the fixing plate 22. The compression spring 52 passes through the protruding rod 53, the upper end of the compression spring abuts against the locking piece 51, and the lower end of the compression spring abuts against the fixed plate 22. The upper end of the locking piece 51 is pressed against the tooth grooves of the ratchet 7 by the elastic force of the compression spring 52. The principle of the locking piece 51 controlling the ratchet wheel 7 to rotate in one direction is the same as the principle of the pushing piece 41 controlling the ratchet wheel 7 to rotate in one direction. The locking device 5 is arranged to prevent the ratchet wheel 7 from following rotation when the upper bracket 1 is pushed upwards.
In order to adjust the stretching length of the first hook 9 conveniently, the outer edge of the connecting hole 6 of the lower support frame is provided with a stroke limiting sheet 24, and the stroke limiting sheet 24 is provided with a limiting bulge 241 matched with the pushing sheet 41 and a limiting groove 242 for jacking the pushing sheet 41 to be separated from the tooth socket of the ratchet wheel. The outer edge of the connecting hole 6 of the upper bracket 1 is provided with a convex edge 12 for pressing the locking sheet 51 to be separated from the tooth socket of the ratchet wheel. When the pull belt 8 needs to be lengthened, the push sheet 41 of the upper bracket 1 is lifted up, then the upper bracket 1 and the lower bracket 2 are pulled to the same plane, the limit groove 242 of the stroke limit sheet 24 jacks up the push sheet 41, the convex edge 12 of the upper bracket 1 presses down the lock sheet 51, so that the push sheet 41 and the lock sheet 51 are separated from the ratchet wheel 7, and the belt shaft 3 freely rotates.
In order to lift the pushing sheet 41 upwards conveniently, the upper end of the pushing sheet 41 is provided with a handle 412, and the handle 412 is positioned in the upper bracket 1. A handle sheath is arranged on the handle 412.
In order to conveniently push and pull the upper bracket 1, a handle sheath 13 is arranged above the upper bracket 1.
To sum up, the utility model discloses a two couples block the both ends of chain, pull the upper bracket and can easily be drawn the chain at both ends near, install. Not only labour saving and time saving is efficient, can prevent to unhook moreover, operates the safety guarantee.
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 chain erector, characterized in that: comprises an upper bracket, a lower bracket, a belt shaft, a locking device and a locking device; connecting holes are formed in the two sides of the upper support and the lower support, the belt shaft penetrates through the connecting holes to movably connect the upper support and the lower support, and ratchet wheels rotating simultaneously with the belt shaft are arranged at the two ends of the belt shaft; the locking device is arranged on the upper bracket, is positioned above the ratchet wheel and is used for driving the ratchet wheel to rotate in the forward direction; the locking device is arranged on the lower bracket, is positioned below the ratchet wheel and is used for blocking the reverse rotation of the ratchet wheel; a pull belt is wound on the belt shaft, and a first hook is arranged on the pull belt; a second hook is fixed at the lower end of the lower bracket; and blocking blocks for preventing unhooking are arranged on the first hook and the second hook.
2. The chain mounter according to claim 1, wherein: the stop block of the first hook is arranged at the tail end of the hook, and the stop block of the second hook is arranged on the hook of the hook.
3. The chain mounter according to claim 1, wherein: the locking device comprises a pushing sheet and a torsion spring; a first sliding groove is formed in the side edge of the upper support, and the pushing sheet is arranged in the first sliding groove in a manner of moving up and down; the push sheet is provided with a spring hole, one end of the torsion spring is connected with the first sliding groove in a clamped mode, the other end of the torsion spring is connected with the spring hole in a clamped mode, and the lower end of the push sheet is abutted to the tooth groove of the ratchet wheel.
4. The chain mounter according to claim 3, wherein: the upper end of the pushing sheet is provided with a handle which is convenient to lift up, and the handle is positioned in the upper bracket.
5. The chain mounter according to claim 4, wherein: the handle is provided with a handle sheath.
6. The chain mounter according to claim 3, wherein: the outer edge of the connecting hole of the lower bracket is provided with a stroke limiting sheet, and the stroke limiting sheet is provided with a limiting bulge matched with the pushing sheet and a limiting groove for jacking the pushing sheet to be separated from the ratchet tooth groove.
7. The chain mounter according to claim 3, wherein: the locking device comprises a locking piece and a pressure spring; a second sliding groove is formed in the side edge of the lower support, and the locking piece is arranged in the second sliding groove in a vertically movable mode; a convex rod extends downwards from the lower end of the locking piece, a fixing plate is arranged on the lower support, and a through hole for the convex rod to pass through is formed in the fixing plate; the pressure spring penetrates through the convex rod, the upper end of the pressure spring is abutted to the locking sheet, and the lower end of the pressure spring is abutted to the fixed plate.
8. The chain mounter according to claim 7, wherein: and the outer edge of the connecting hole of the upper bracket is provided with a convex edge used for pressing the locking sheet downwards to separate from the tooth socket of the ratchet wheel.
9. The chain mounter according to claim 1, wherein: the ratchet wheel is arranged between the connecting holes of the upper support and the lower support.
10. The chain mounter according to claim 1, wherein: and a handle sheath is arranged above the upper bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221385844.9U CN217620250U (en) | 2022-06-02 | 2022-06-02 | Chain installer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221385844.9U CN217620250U (en) | 2022-06-02 | 2022-06-02 | Chain installer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217620250U true CN217620250U (en) | 2022-10-21 |
Family
ID=83623062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221385844.9U Active CN217620250U (en) | 2022-06-02 | 2022-06-02 | Chain installer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217620250U (en) |
-
2022
- 2022-06-02 CN CN202221385844.9U patent/CN217620250U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |