CN211893433U - Locking mechanism of hook arm frame - Google Patents
Locking mechanism of hook arm frame Download PDFInfo
- Publication number
- CN211893433U CN211893433U CN201922364088.6U CN201922364088U CN211893433U CN 211893433 U CN211893433 U CN 211893433U CN 201922364088 U CN201922364088 U CN 201922364088U CN 211893433 U CN211893433 U CN 211893433U
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- arm
- frame
- locking
- connecting rod
- locking block
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Abstract
The utility model discloses a locking mechanism who colludes arm frame, locking mechanism install on the frame for the single arm-drag on the frame locks, locking mechanism include: the locking block is hinged on the frame and used for driving the locking block to rotate relative to the frame so as to lock the locking block driving mechanism of the pull arm, a hinged part which is rotationally connected with the frame is arranged on the locking block, a bayonet is arranged at the upper part of the locking block and positioned on the hinged part, the bayonet is driven by the locking block driving mechanism to clamp a pin shaft on the pull arm so as to lock the locking pull arm, and a connecting part which is connected with the locking block driving mechanism is arranged between the hinged part and the bayonet of the locking block; the utility model discloses a relative frame rotation of locking piece and drive locking piece then pins the locking piece actuating mechanism of single arm-drag, comes to have the single arm-drag locking on the frame, has simple structure, reliable advantage.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a collude locking mechanism of cantilever crane.
[ background of the invention ]
The hook arm frame is a key upper-mounted part in a carriage detachable automobile, and the quality of the performance of the hook arm frame determines the quality of the whole automobile; the hook arm frame is used for lifting and self-unloading, and has two basic functions of hooking and unloading a box body, after the pull arm finishes loading of a carriage, the pull arm needs to be locked on a frame, and safety is ensured.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
[ Utility model ] content
In order to solve the technical problem, the utility model discloses a locking mechanism who colludes cantilever crane, locking mechanism install on the frame for the single arm-drag on the frame locks, locking mechanism include: the locking block is hinged to the frame and used for driving the locking block to rotate relative to the frame so as to lock the locking block driving mechanism of the pull arm, a hinged portion connected with the frame in a rotating mode is arranged on the locking block, a bayonet is arranged on the upper portion, located on the hinged portion, of the locking block, the bayonet is driven by the locking block driving mechanism to clamp a pin shaft on the pull arm so as to lock the pull arm, and a connecting portion used for being connected with the locking block driving mechanism is arranged between the hinged portion and the bayonet.
According to the locking mechanism of the hook arm frame, the locking block driving mechanism comprises a rotating shaft pivoted on the frame, a driving arm and a driven arm are arranged on the rotating shaft, and a connecting rod is arranged between the tail end of the driven arm and a connecting part of the locking block; when the driving arm is driven to move and the rotating shaft is rotated, the locking block can be driven to rotate so as to enable the bayonet to clamp the pin shaft on the pull arm; the frame is also provided with a reset mechanism for driving the connecting rod to reset so as to release the locking of the pull-in arms by the bayonets.
According to the locking mechanism of the hook arm frame, the reset mechanism comprises a connecting block A arranged on the frame, a connecting block B is arranged on the connecting rod, and a spring for driving the connecting rod to reset is arranged between the connecting block A and the connecting block B.
According to the locking mechanism of the hook arm frame, the connecting rod comprises a connecting rod A and a connecting rod B, and an adjusting component for adjusting the length of the connecting rod is arranged between the connecting rod A and the connecting rod B.
According to the locking mechanism of the hook arm frame, the adjusting assembly comprises the adjusting sleeve, the adjusting sleeve is provided with the threaded hole, two ends of the adjusting sleeve are respectively in threaded connection with the end parts of the connecting rod A and the connecting rod B, the connecting rod A is in threaded connection with the nut A used for tightening the connecting rod A and the adjusting sleeve, and the connecting rod B is in threaded connection with the nut B used for tightening the connecting rod B and the adjusting sleeve.
According to the locking mechanism of the hook arm frame, the frame is provided with the flexible shaft for driving the driving arm to move, the frame is provided with the positioning frame for positioning the outer sleeve of the flexible shaft, and the end part of the inner core of the flexible shaft is connected with the tail end of the driving arm.
According to the locking mechanism of the hook arm frame, the arc-shaped bent arm is arranged between the connecting rod and the tail end of the driven arm, and the bent arm is hinged with the tail end of the driven arm, so that when the bayonet clamps the pin shaft on the pull arm, the rotating shaft is positioned on the inner side of the bent arm and forms self-locking.
Compared with the prior art, the utility model has the advantages of as follows:
1. the utility model discloses a relative frame rotation of locking piece and drive locking piece then pins the locking piece actuating mechanism of single arm-drag, comes to have the single arm-drag locking on the frame, has simple structure, reliable advantage.
2. The locking block driving mechanism has simple structure, convenient control and small occupied space.
[ description of the drawings ]
The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the locking mechanism of the utility model locking the pull arm on the frame;
FIG. 2 is an enlarged view of portion A labeled in FIG. 1;
FIG. 3 is an enlarged view of portion B labeled in FIG. 2;
FIG. 4 is an enlarged view of portion C labeled in FIG. 2;
fig. 5 is a schematic structural diagram of the locking mechanism of the present invention;
fig. 6 is a partial schematic view of the driven arm, the bending arm and the connecting rod in the locking state of the locking mechanism of the present invention.
[ detailed description ] embodiments
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 6, the locking mechanism of a hook arm frame of this embodiment is mounted on a frame 1001 and used for locking a pull arm 1002 on the frame 1001, and the locking mechanism includes: the locking mechanism comprises a locking block 1 hinged on a frame 1001 and a locking block driving mechanism 2 used for driving the locking block 1 to rotate relative to the frame 1001 so as to lock a pull arm 1002, wherein the locking block 1 is provided with a hinged part 11 rotationally connected with the frame 1001, the locking block 1 is provided with a bayonet 12 at the upper part of the hinged part 11, the bayonet 12 is driven by the locking block driving mechanism 2 to clamp a pin shaft 10021 on the pull arm 1002 so as to lock the pull arm 1002, and a connecting part 13 used for being connected with the locking block driving mechanism 2 is arranged between the hinged part 11 and the bayonet 12 of the locking block 1. The utility model discloses a relative frame rotation of locking piece and drive locking piece then pins the locking piece actuating mechanism of single arm-drag, comes to have the single arm-drag locking on the frame, has simple structure, reliable advantage.
The locking block driving mechanism 2 comprises a rotating shaft 21 pivoted on the frame 1001, a driving arm 211 and a driven arm 212 are arranged on the rotating shaft 21, and a connecting rod 22 is arranged between the tail end of the driven arm 212 and the connecting part 13 of the locking block 1; when the driving arm 211 is driven to move and the rotating shaft 21 is rotated, the locking block 1 can be driven to rotate so that the bayonet 12 is clamped on the pin shaft 10021 on the pull arm 1002; the frame 1001 is also provided with a reset mechanism 23 which is used for driving the connecting rod 22 to reset so as to enable the bayonet 12 to release the locking of the pull arm 1002; the locking block driving mechanism has the advantages of simple and convenient control structure and small occupied space by adopting the structure.
In order to facilitate the adjustment of the distance between the end of the driven arm and the connecting part of the locking piece, the connecting rod 22 comprises a connecting rod A221 and a connecting rod B222, and an adjusting component 223 for adjusting the length of the connecting rod 22 is arranged between the connecting rod A221 and the connecting rod B222; the adjusting assembly 223 comprises an adjusting sleeve 2231, a threaded hole is formed in the adjusting sleeve 2231, so that two ends of the adjusting sleeve 2231 are respectively in threaded connection with the end portions of the connecting rod a221 and the connecting rod B222, a nut a2232 for tightening the connecting rod a221 and the adjusting sleeve 2231 is in threaded connection with the connecting rod a221, and a nut B2233 for tightening the connecting rod B222 and the adjusting sleeve 2231 is in threaded connection with the connecting rod B222; during the adjustment, the nut A and the nut B are firstly loosened, and the length of the connecting rod is adjusted by rotating the adjusting sleeve.
In order to drive the driving arm to drive the rotating shaft to rotate, a flexible shaft 3 for driving the driving arm 211 to move is arranged on the frame 1001, a positioning frame 31 for positioning an outer sleeve of the flexible shaft 3 is arranged on the frame 1001, and the end part of an inner core of the flexible shaft 3 is connected with the tail end of the driving arm 211.
In this embodiment, an arc-shaped bending arm 24 is disposed between the connecting rod 22 and the end of the driven arm 212, and the bending arm is hinged to the end of the driven arm 212, as shown in fig. 6, so that when the bayonet 12 is locked to the pin 10021 of the pull arm 1002, the rotating shaft 21 is located inside the bending arm 24 and forms a self-locking function.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (7)
1. A locking mechanism of a hook arm frame is arranged on a frame (1001) and used for locking a pull arm (1002) on the frame (1001), and is characterized by comprising: the locking mechanism comprises a locking block (1) hinged to a frame (1001) and a locking block driving mechanism (2) used for driving the locking block (1) to rotate relative to the frame (1001) so as to lock a pull arm (1002), wherein a hinged portion (11) rotatably connected with the frame (1001) is arranged on the locking block (1), a bayonet (12) is arranged on the upper portion of the locking block (1) and located on the hinged portion (11), the bayonet (12) is driven by the locking block driving mechanism (2) to clamp a pin shaft (10021) on the pull arm (1002) so as to lock the pull arm (1002), and a connecting portion (13) used for being connected with the locking block driving mechanism (2) is arranged between the hinged portion (11) and the bayonet (12) and located on the locking block (1).
2. A locking mechanism of a hook arm frame according to claim 1, characterized in that the locking block driving mechanism (2) comprises a rotating shaft (21) pivoted on the frame (1001), the rotating shaft (21) is provided with a driving arm (211) and a driven arm (212), and a connecting rod (22) is arranged between the end of the driven arm (212) and the connecting portion (13) of the locking block (1); when the driving arm (211) is driven to act, the rotating shaft (21) is rotated, the locking block (1) can be driven to rotate, and the bayonet (12) is clamped on the pin shaft (10021) on the pull arm (1002); the frame (1001) is also provided with a reset mechanism (23) which is used for driving the connecting rod (22) to reset so as to enable the bayonet (12) to release the locking of the opposite pull arm (1002).
3. A locking mechanism of a hook arm frame according to claim 2, characterized in that the reset mechanism (23) comprises a connecting block a (231) arranged on the frame (1001), the connecting rod (22) is provided with a connecting block B (232), and a spring (233) for driving the connecting rod (22) to reset is arranged between the connecting block a (231) and the connecting block B (232).
4. A locking mechanism of a hook arm stand according to claim 2, characterized in that the connecting rod (22) comprises a connecting rod a (221) and a connecting rod B (222), and an adjusting component (223) for adjusting the length of the connecting rod (22) is arranged between the connecting rod a (221) and the connecting rod B (222).
5. The locking mechanism of the hook arm frame according to claim 4, wherein the adjusting assembly (223) comprises an adjusting sleeve (2231), a threaded hole is formed in the adjusting sleeve (2231), two ends of the adjusting sleeve (2231) are respectively in threaded connection with the end portions of the connecting rod A (221) and the connecting rod B (222), a nut A (2232) for tightening the connecting rod A (221) and the adjusting sleeve (2231) is in threaded connection with the connecting rod A (221), and a nut B (2233) for tightening the connecting rod B (222) and the adjusting sleeve (2231) is in threaded connection with the connecting rod B (222).
6. The locking mechanism of a hook arm frame according to claim 2, characterized in that the frame (1001) is provided with a flexible shaft (3) for driving the active arm (211) to move, the frame (1001) is provided with a positioning frame (31) for positioning an outer sleeve of the flexible shaft (3), and the end of an inner core of the flexible shaft (3) is connected with the end of the active arm (211).
7. A locking mechanism of a hook arm stand according to claim 2, characterized in that an arc-shaped bent arm (24) is provided between the connecting rod (22) and the end of the driven arm (212), and the bent arm () is hinged with the end of the driven arm (212) so that when the bayonet (12) is locked with the pin (10021) of the pull arm (1002), the rotating shaft (21) is located inside the bent arm (24) and forms a self-locking.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922364088.6U CN211893433U (en) | 2019-12-25 | 2019-12-25 | Locking mechanism of hook arm frame |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922364088.6U CN211893433U (en) | 2019-12-25 | 2019-12-25 | Locking mechanism of hook arm frame |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211893433U true CN211893433U (en) | 2020-11-10 |
Family
ID=73293494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922364088.6U Active CN211893433U (en) | 2019-12-25 | 2019-12-25 | Locking mechanism of hook arm frame |
Country Status (1)
Country | Link |
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CN (1) | CN211893433U (en) |
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2019
- 2019-12-25 CN CN201922364088.6U patent/CN211893433U/en active Active
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