CN112249863B - Universal lifting chain adjusting and limiting mechanism for lifting appliance - Google Patents
Universal lifting chain adjusting and limiting mechanism for lifting appliance Download PDFInfo
- Publication number
- CN112249863B CN112249863B CN202011122846.4A CN202011122846A CN112249863B CN 112249863 B CN112249863 B CN 112249863B CN 202011122846 A CN202011122846 A CN 202011122846A CN 112249863 B CN112249863 B CN 112249863B
- Authority
- CN
- China
- Prior art keywords
- chain
- push
- pull rod
- sling
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/125—Chain-type slings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
Abstract
The invention relates to a general lifting appliance chain adjusting and limiting mechanism, and belongs to the field of technical support equipment. The hanging chain adjusting and limiting mechanism comprises a sliding plate 3, a fixing block 7, a handle 5, a push-pull rod 6, a spring 11, a hanging chain pin shaft 2 and a hanging chain shackle 8, wherein the handle 5 is connected with the push-pull rod 6, the push-pull rod 6 is pulled out upwards by rotating the handle 5, the hanging chain pin shaft is fixed by rotating by 90 degrees, the sliding plate 3 is moved, the hanging chain pin shaft 2 is moved to a required installation position, and the push-pull rod 6 is pushed by rotating the handle 5, so that an arc structure at one end of the push-pull rod presses the arc surface of the hanging chain pin shaft 2. The lifting chain adjusting and limiting mechanism is unlocked by rotating the handle through the push-pull rod, the sliding plate is moved to the required lifting chain installation position, the push-pull rod limiting lifting chain pin shaft is compressed, the movement and the limiting of the position of the lifting chain can be rapidly realized, the universal lifting appliance is convenient to realize the multi-state and multi-angle lifting of the launching box and the packing box of a multi-type bullet, and the universality and the operation convenience of the universal lifting appliance are improved.
Description
Technical Field
The invention belongs to the field of technical support equipment, and particularly relates to a general lifting tool sling chain adjusting and limiting mechanism.
Background
The general lifting appliance is generally suitable for lifting a type of launching box at an unloaded (fully loaded) horizontal angle and a launching angle, and lifting a packing box at an unloaded (fully loaded) horizontal angle. The length and the gravity center of the launching boxes of the same type are consistent, and the position of the lifting chain can meet the lifting requirement at one position. When the hoisting device is used for hoisting a multi-type launching box and a packing box, the installation position of the hoisting chain needs to be adjusted according to the hoisting positions of the launching box and the packing box, and the single hoisting chain installation position cannot meet the hoisting requirement. In the practical use process, the sling chain can quickly complete the position movement and limit to prevent the pin shaft from falling off, so that the problem to be solved if the quick movement and the limit of the sling chain position are realized is that of a general sling.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of how to provide a lifting chain adjusting and limiting mechanism of a general lifting appliance so as to solve the problems of quick movement and limitation of the position of a lifting chain in the general lifting appliance.
(II) technical scheme
In order to solve the technical problem, the invention provides a general lifting appliance lifting chain adjusting and limiting mechanism which comprises a sliding plate (3), a fixed block (7), a handle (5), a push-pull rod (6), a spring (11), a lifting chain pin shaft (2) and a lifting chain shackle (8);
the lifting chain hinge pin (2) is arranged in a U-shaped groove of the lifting chain fixing strip (1), two sides of the lifting chain fixing strip (1) on the lifting chain hinge pin (2) are respectively provided with the lifting chain shackle (8) and the check ring (10), one end of the lifting chain hinge pin (2) is provided with the locking nut (9), and the lifting chain (12) is arranged below the lifting chain shackle (8);
the sliding plate (3) is of a semi-surrounding structure, is arranged above the sling chain pin shaft (2), can surround a plane structure on the sling chain fixing strip (1), and slides along the plane structure at the upper end of the sling chain fixing strip (1); the fixed block (7) is fixedly connected above the sliding plate (3);
the fixed block (7) comprises a hollow structure with a narrow top and a wide bottom, a deep groove is formed in the side wall of the hollow structure, and a shallow groove is formed in the position, perpendicular to the deep groove, of the top end of the hollow structure; the push-pull rod (6) is a cylinder with a thin upper part and a thick lower part, the wide end of the push-pull rod is of an arc structure, a bulge (4) is arranged in the middle of the push-pull rod, the push-pull rod (6) is inserted into the fixed block (7), the narrow end of the push-pull rod (6) is connected with the handle (5), the wide end of the push-pull rod (6) is opposite to the arc surface formed in the center of the sling chain pin shaft (2), and the bulge (4) of the push-pull rod (6) is positioned in the deep groove or the shallow groove.
The spring (11) is arranged between the fixed block (7) and the push-pull rod (6), the top of the spring (11) is abutted against the transition surface of the hollow structure of the fixed block (7), and the bottom of the spring (11) is abutted against the transition surface of the push-pull rod (6).
Furthermore, the general hanger body is provided with the hanging chain fixing strip (1), the hanging chains of the general hanger are divided into four parts, two parts are fixed at the front end of the hanger body, and the other two parts are fixed at the rear end of the hanger body.
Further, the sling chain (12) is connected with the sling chain adjusting and limiting mechanism through the sling chain shackle (8).
Furthermore, the sling chain fixing strip (1) is installed on the hanging beam body, and the sling chain fixing strip (1) comprises U-shaped grooves arranged at equal intervals and a plane structure above the U-shaped grooves and allowing the sliding plate 3 to slide.
Further, the sliding plate (3) and the fixed block (7) are combined into a T-shaped structure.
Furthermore, the narrow end of the push-pull rod (6) is connected with the handle (5) through a pin shaft.
Furthermore, when the hanging chain adjusting and limiting mechanism is in a locking state, the bulge (4) of the push-pull rod (6) is limited in the deep groove, and the wide end of the push-pull rod (6) is abutted against the cambered surface formed in the center of the hanging chain pin shaft (2), so that the hanging chain pin shaft (2) is pressed; when the position of the sling chain needs to be adjusted, the push-pull rod (6) is lifted upwards through the handle (5) to move upwards along the deep groove of the fixed block (7), when the push-pull rod moves to the end face of the fixed block (7), the push-pull rod is rotated by 90 degrees to be fixed in the shallow groove in the vertical direction, the pin shaft (2) moves upwards to form a U-shaped groove, the sliding plate (3) is pushed to enable the sling chain limiting mechanism to move to a lifting point U-shaped groove needed by the sling chain, and the handle (5) is rotated to drive the push-pull rod (6) to be pressed on the sling chain pin shaft (2), so that the adjustment of the position of the sling chain is completed.
(III) advantageous effects
The invention provides a lifting chain adjusting and limiting mechanism of a universal lifting appliance, which is unlocked by rotating a handle through a push-pull rod, moves a sliding plate to a required lifting chain installation position, compresses a push-pull rod limiting lifting chain pin shaft, can quickly realize the movement and the limitation of the position of a lifting chain, is convenient for the universal lifting appliance to realize the multi-state and multi-angle lifting of a launching box and a packing box of a multi-type bullet, and improves the universality and the operation convenience of the universal lifting appliance.
Drawings
FIG. 1 is a three-side view of an actual sling chain adjusting and limiting mechanism of the invention;
FIG. 2 isbase:Sub>A sectional view of an A-A of an embodiment ofbase:Sub>A hoist chain adjustment limiting mechanism of the present invention;
FIG. 3 is a cross-sectional view of the B-B of the practical sling chain adjusting and limiting mechanism of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention more apparent, the following detailed description of the present invention will be made in conjunction with the accompanying drawings and examples.
A lifting chain fixing strip 1 is designed on a body of the universal lifting appliance, the lifting chains of the universal lifting appliance are divided into four groups, two groups are fixed at the front end of the lifting appliance body, and two groups are fixed at the rear end of the lifting appliance body and are connected with a lifting chain adjusting and limiting mechanism through lifting chain shackles.
The hanging chain adjusting and limiting mechanism comprises a sliding plate 3, a fixed block 7, a handle 5, a push-pull rod 6, a spring 11, a hanging chain pin shaft 2 and a hanging chain shackle 8.
The handle 5 is connected with the push-pull rod 6, the push-pull rod 6 is pulled upwards by rotating the handle 5, the sliding plate 3 is rotated for 90 degrees and fixed, the sling chain pin shaft 2 is moved to a required installation position, and the push-pull rod 6 is pushed by rotating the handle 5, so that the arc structure at one end of the push-pull rod compresses the arc surface of the sling chain pin shaft 2.
The suspension chain fixing strip 1 is installed on the suspension beam body, and the suspension chain fixing strip 1 comprises U-shaped grooves which are arranged at equal intervals and a plane structure which is arranged above the U-shaped grooves and used for the sliding of the sliding plate 3.
The lifting chain pin shaft 2 is arranged in a U-shaped groove of the lifting chain fixing strip 1, a lifting chain shackle 8 and a check ring 10 are respectively arranged on the two sides of the lifting chain fixing strip 1 on the lifting chain pin shaft 2, a locking nut 9 is arranged at one end of the lifting chain pin shaft 2, and a lifting chain 12 is arranged below the lifting chain shackle 8.
The sliding plate 3 is of a semi-surrounding structure, is arranged above the chain sling pin shaft 2, can surround the plane structure on the chain sling fixing strip 1, and slides along the plane structure at the upper end of the chain sling fixing strip 1. And a fixed block 7 is fixedly connected above the sliding plate 3 and forms a T-shaped structure.
The fixed block 7 comprises a hollow structure with a narrow top and a wide bottom, a deep groove is formed in the side wall, and a shallow groove is formed in the position, perpendicular to the deep groove, of the top end; the push-pull rod 6 is a cylinder with a thin upper part and a thick lower part, the wide end of the push-pull rod is of an arc structure, a bulge 4 is arranged in the middle of the push-pull rod 6, the push-pull rod 6 can be inserted into the fixed block 7, the narrow end of the push-pull rod 6 is connected with the handle 5 through a pin shaft, the wide end of the push-pull rod 6 is opposite to the cambered surface formed in the center of the sling pin shaft 2, and the bulge (4) of the push-pull rod (6) is positioned in the deep groove or the shallow groove.
A spring 11 is arranged between the fixed block 7 and the push-pull rod 6, the top of the spring 11 is abutted against the transition surface of the hollow structure of the fixed block 7, and the bottom of the spring 11 is abutted against the transition surface of the push-pull rod 6.
When the hanging chain adjusting and limiting mechanism is in a locking state, the bulge 4 of the push-pull rod 6 is limited in the deep groove, and the wide end of the push-pull rod 6 is abutted with the cambered surface formed in the center of the hanging chain pin shaft 2, so that the hanging chain pin shaft is pressed; when the position of the hanging chain needs to be adjusted, the push-pull rod 6 is lifted upwards through the handle 5 to move upwards along the deep groove of the fixed block 7, and when the push-pull rod moves to the end face of the fixed block 7, the push-pull rod is rotated by 90 degrees to be fixed in the shallow groove in the vertical direction.
The lifting chain adjusting and limiting mechanism is normally in a locking state, namely the push rod 6 is tightly pressed on the lifting chain pin shaft 2 under the action of the spring 11, and the lifting chain pin shaft 2 is limited in a U-shaped groove of the lifting beam fixing strip. The handle 5 is connected with the push-pull rod 6 through a pin shaft, when the position of the sling chain needs to be adjusted, the push-pull rod 6 is lifted upwards through the handle 5 to move upwards along the groove of the fixed block 7, when the sling chain moves to the end face of the fixed block 7, the sling chain is rotated by 90 degrees to be fixed in a shallow groove in the vertical direction, and at the moment, the pin shaft 2 moves upwards to form a U-shaped groove. The sliding plate 3 is pushed to enable the hanging chain limiting mechanism to move to a hanging point U-shaped groove needed by the hanging chain, and the rotating handle 5 drives the pushing rod 6 to press the pin shaft 2 to complete the adjustment of the position of the hanging chain.
The key points of the invention are as follows:
1. the hanging chain adjusting and limiting mechanism comprises a sliding plate 3, a handle 5, a push-pull rod 6, a spring 11, a hanging chain pin shaft 2, a hanging chain shackle 8 and the like.
2. The hoisting chain adjusting and limiting mechanism moves the sliding plate after being unlocked to realize the quick movement of the mounting position of the hoisting chain.
3. The sling chain adjusting and limiting mechanism can limit the sling chain pin shaft through the coordinated work of the handle, the spring and the push-pull rod, and the pin shaft is prevented from being separated.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. A general sling chain adjusting and limiting mechanism is characterized in that the sling chain adjusting and limiting mechanism comprises a sliding plate (3), a fixed block (7), a handle (5), a push-pull rod (6), a spring (11), a sling chain pin shaft (2) and a sling chain shackle (8);
the lifting chain hinge pin (2) is arranged in a U-shaped groove of the lifting chain fixing strip (1), two sides of the lifting chain fixing strip (1) on the lifting chain hinge pin (2) are respectively provided with the lifting chain shackle (8) and the check ring (10), one end of the lifting chain hinge pin (2) is provided with the locking nut (9), and the lifting chain (12) is arranged below the lifting chain shackle (8);
the sliding plate (3) is of a semi-surrounding structure, is arranged above the chain sling pin shaft (2), can surround a plane structure on the chain sling fixing strip (1), and slides along the plane structure at the upper end of the chain sling fixing strip (1); the fixed block (7) is fixedly connected above the sliding plate (3);
the fixed block (7) comprises a hollow structure with a narrow top and a wide bottom, a deep groove is formed in the side wall of the hollow structure, and a shallow groove is formed in the position, perpendicular to the deep groove, of the top end of the hollow structure; the push-pull rod (6) is a cylinder with a thin upper part and a thick lower part, the wide end of the push-pull rod is of an arc structure, a bulge (4) is arranged in the middle of the push-pull rod, the push-pull rod (6) is inserted into the fixing block (7), the narrow end of the push-pull rod (6) is connected with the handle (5) through a pin shaft, the wide end of the push-pull rod (6) is opposite to the arc surface formed in the center of the hanging chain pin shaft (2), and the bulge (4) of the push-pull rod (6) is positioned in the deep groove or the shallow groove;
the spring (11) is arranged between the fixed block (7) and the push-pull rod (6), the top of the spring (11) is abutted against the transition surface of the hollow structure of the fixed block (7), and the bottom of the spring (11) is abutted against the transition surface of the push-pull rod (6);
when the lifting chain adjusting and limiting mechanism is in a locking state, the bulge (4) of the push-pull rod (6) is limited in the deep groove, and the wide end of the push-pull rod (6) is abutted against the cambered surface formed in the center of the lifting chain pin shaft (2) so as to tightly press the lifting chain pin shaft (2); when the position of the sling chain needs to be adjusted, the push-pull rod (6) is lifted upwards through the handle (5) to move upwards along the deep groove of the fixed block (7), when the push-pull rod moves to the end face of the fixed block (7), the push-pull rod is rotated by 90 degrees to be fixed in the shallow groove in the vertical direction, the sling chain pin shaft (2) moves upwards to form a U-shaped groove, the sliding plate (3) is pushed to enable the sling chain adjusting and limiting mechanism to move to a lifting point U-shaped groove needed by the sling chain, and the handle (5) is rotated to drive the push-pull rod (6) to be pressed on the sling chain pin shaft (2), so that the adjustment of the position of the sling chain is completed.
2. The general sling chain adjusting and limiting mechanism according to claim 1, wherein the general sling body is provided with the sling chain fixing strip (1), and the sling chains of the general sling are divided into four, two of which are fixed at the front end of the sling body and two of which are fixed at the rear end of the sling body.
3. The universal sling chain adjusting and limiting mechanism according to claim 1, wherein the sling chain fixing strip (1) is installed on the beam body, the sling chain fixing strip (1) comprises U-shaped grooves arranged at equal intervals, and a plane structure above the U-shaped grooves for the sliding plate (3) to slide.
4. The universal spreader chain adjustment and spacing mechanism according to claim 1, wherein the sliding plate (3) and the fixed block (7) are combined into a T-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122846.4A CN112249863B (en) | 2020-10-20 | 2020-10-20 | Universal lifting chain adjusting and limiting mechanism for lifting appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122846.4A CN112249863B (en) | 2020-10-20 | 2020-10-20 | Universal lifting chain adjusting and limiting mechanism for lifting appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112249863A CN112249863A (en) | 2021-01-22 |
| CN112249863B true CN112249863B (en) | 2022-10-11 |
Family
ID=74244347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011122846.4A Active CN112249863B (en) | 2020-10-20 | 2020-10-20 | Universal lifting chain adjusting and limiting mechanism for lifting appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112249863B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113651223A (en) * | 2021-08-17 | 2021-11-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Special appearance hoist and mount mechanism of transferring of engine rotor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537434A (en) * | 1984-05-02 | 1985-08-27 | The United States Of America As Represented By The Secretary Of The Navy | Adjustable self-releasing hook |
| CN203856426U (en) * | 2014-03-27 | 2014-10-01 | 江苏申利达机械制造有限公司 | Bolt mechanism for makeup and breakout unit accessory |
| CN205222439U (en) * | 2015-11-27 | 2016-05-11 | 河南新科起重机股份有限公司 | Adjustable coil of strip hoist |
| CN208532022U (en) * | 2018-07-06 | 2019-02-22 | 西安交通工程学院 | A kind of self-locking hook |
| CN110065882A (en) * | 2019-04-24 | 2019-07-30 | 东风柳州汽车有限公司 | Engine automatic carriage suspender |
-
2020
- 2020-10-20 CN CN202011122846.4A patent/CN112249863B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537434A (en) * | 1984-05-02 | 1985-08-27 | The United States Of America As Represented By The Secretary Of The Navy | Adjustable self-releasing hook |
| CN203856426U (en) * | 2014-03-27 | 2014-10-01 | 江苏申利达机械制造有限公司 | Bolt mechanism for makeup and breakout unit accessory |
| CN205222439U (en) * | 2015-11-27 | 2016-05-11 | 河南新科起重机股份有限公司 | Adjustable coil of strip hoist |
| CN208532022U (en) * | 2018-07-06 | 2019-02-22 | 西安交通工程学院 | A kind of self-locking hook |
| CN110065882A (en) * | 2019-04-24 | 2019-07-30 | 东风柳州汽车有限公司 | Engine automatic carriage suspender |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112249863A (en) | 2021-01-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112249863B (en) | Universal lifting chain adjusting and limiting mechanism for lifting appliance | |
| US2823948A (en) | Grab for lifting hollow objects | |
| US8186732B2 (en) | Clamping device | |
| EP3985172B1 (en) | Follow-up-type self-locking rail clamping device | |
| CN215507795U (en) | Building stones open and adopt portable abrasionproof decreases shale shaker | |
| CN209783881U (en) | Self-adjusting arm durability test bench | |
| US20020152593A1 (en) | Coupling self-locking hook | |
| CN214570071U (en) | Novel whole car hoist | |
| CN210650680U (en) | Carrying manipulator | |
| CN217323025U (en) | Hoisting and transferring device for heavy objects | |
| EP3173372B1 (en) | A load carrier for a forklift truck | |
| CN114261881A (en) | Universal lifting appliance lifting chain adjusting and locking mechanism | |
| CN216863365U (en) | Prefabricated part hoisting equipment convenient to transport, load and unload and high in hoisting precision | |
| CN207551696U (en) | Engineering machinery assembling interval adjustable Electromagnetic slings for lifting loads | |
| CN220057946U (en) | Pile driving device for foundation engineering | |
| CN216272667U (en) | Hoisting device convenient to carry out quick adjustment to hoisting point | |
| CN220078341U (en) | Titanium ingot transferring lifting appliance | |
| CN210103401U (en) | Hoisting accessory matched with pallet stacker | |
| CN213622923U (en) | Slide rail hanger plate for mechanical automation equipment installation | |
| CN211254957U (en) | Hardware component production hoist and mount rigging for transportation | |
| CN219652496U (en) | Channel steel hoisting and clamping device | |
| CN216662317U (en) | Movable counterweight shifting lifting mechanism for crane and automobile crane | |
| CN112978644B (en) | Multi-angle rotating crowbar with adjustable strong point for construction | |
| CN214728986U (en) | Industrial paint bucket conveying device | |
| CN210655845U (en) | Lifting appliance for assembling and lifting side shifter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |