CN213139065U - Connecting rod locking device - Google Patents
Connecting rod locking device Download PDFInfo
- Publication number
- CN213139065U CN213139065U CN202021512893.5U CN202021512893U CN213139065U CN 213139065 U CN213139065 U CN 213139065U CN 202021512893 U CN202021512893 U CN 202021512893U CN 213139065 U CN213139065 U CN 213139065U
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- CN
- China
- Prior art keywords
- connecting rod
- locking
- locking arm
- rod
- hydraulic cylinder
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- Expired - Fee Related
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Abstract
The utility model provides a connecting rod locking device, through setting up locking arm, a connecting rod, No. two connecting rods, No. three connecting rods, guide cylinder, transition rod, hydraulic cylinder, No. two connecting rod bases, mounting platform, locking arm base, travel switch and rubber pad etc. has realized the long-term reliable locking of navigation ware and quick unblock release. The first connecting rod and the second connecting rod are kept in a fixed state in a locking in-place state, and the locking reliability is improved. And the toggle plate arranged at the back of the locking arm can be used for bearing the locking reaction force. The transition rod is in threaded connection with the piston rod of the hydraulic cylinder through the rod end, and the transition rod and the guide cylinder form a sliding structure, so that the capability of the transition rod for bearing radial load is improved, the radial rigidity of the hydraulic cylinder is improved, and the service life of the hydraulic cylinder can be prolonged. The rubber pad both can prevent that the locking arm from crushing and hindering by the locking object, also can play the deformation cushioning effect, reduces mechanism design accuracy requirement and locking mechanical noise. In addition, a travel switch may be provided to indicate the "locked in position" condition of the locking arm.
Description
Technical Field
The utility model belongs to the technical field of ship device, especially indicate a connecting rod locking device.
Background
In the technical field of ship devices, the underwater vehicle has the use requirement that the underwater vehicle needs to be reliably locked and fixed under the daily state, and when necessary, the underwater vehicle is expected to be unlocked and released by hydraulic control.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the connecting rod locking device can ensure that the aircraft is reliably locked and fixed in a daily state, and when the aircraft needs to carry out a task, the aircraft is unlocked through hydraulic control driving, and the aircraft is released.
The utility model provides a connecting rod locking device, which comprises a locking arm, a first connecting rod, a second connecting rod, a third connecting rod, a transition rod, a hydraulic cylinder, a second connecting rod base, a mounting platform and a locking arm base; the transition rod is fixedly connected with the hydraulic cylinder; the locking arm and the locking arm base, the locking arm and the first connecting rod, the first connecting rod and the second connecting rod, the second connecting rod and the second connecting rod base, and the second connecting rod and the transition rod are respectively connected in a hinged mode; the second connecting rod base and the locking arm base are fixed on the surface of the mounting platform; the locking arm, the first connecting rod, the second connecting rod and the mounting platform form a four-bar linkage together.
When the locking device is locked, the hydraulic cylinder retracts downwards to drive the transition rod to retract, the third connecting rod, the second connecting rod, the first connecting rod and the locking arm are driven in a linkage mode, and when the second connecting rod and the first connecting rod are overlapped in direction, the locking device is in a fixed state.
During unlocking, the hydraulic cylinder extends upwards to drive the transition rod to eject out, the third connecting rod, the second connecting rod, the first connecting rod and the locking arm are driven in a linkage mode, when the hydraulic cylinder extends out completely, the locking arm and the horizontal plane form an angle theta, and preferably the angle theta is larger than or equal to 90 degrees.
The transition rod is in threaded connection with the hydraulic cylinder.
And a travel switch is arranged on one side of the locking arm base, which is close to the locking arm.
And a toggle plate is arranged at the back of the locking arm.
The contact surface of the locking arm and the object to be locked is provided with a buffer material, and the buffer material is preferably a rubber pad and is fixed by using industrial glue.
Furthermore, the connecting rod locking device also comprises a guide cylinder, and the transition rod penetrates through the guide cylinder to form a sliding structure.
The utility model has the advantages that: the utility model provides a connecting rod locking device, through setting up locking arm, a connecting rod, No. two connecting rods, No. three connecting rods, guide cylinder, transition rod, hydraulic cylinder, No. two connecting rod bases, mounting platform, locking arm base, travel switch and rubber pad etc. has realized the long-term reliable locking of navigation ware and quick unblock release. The first connecting rod and the second connecting rod are in mechanical dead point positions in a locking in-place state, and the locking reliability is improved. And the toggle plate arranged at the back of the locking arm can be used for bearing the locking reaction force. The transition rod is in threaded connection with the piston rod of the hydraulic cylinder through the rod end, and the transition rod and the guide cylinder form a sliding structure, so that the capability of the transition rod for bearing radial load is improved, the radial rigidity of the hydraulic cylinder is improved, and the service life of the hydraulic cylinder can be prolonged. Rubber pad accessible industry glue is pasted at the locking arm end, both can prevent that the locking arm from crushing to hinder by the locking object, also can play the deformation cushioning effect, reduces mechanism design required precision and locking mechanical noise. In addition, a travel switch may be provided to indicate the "locked in position" condition of the locking arm.
Drawings
FIG. 1 is a front view of the connecting rod locking device of the present invention;
fig. 2 is a schematic view of an application scenario for implementing the present invention;
in the figure: 1-locking arm, 2-first connecting rod, 3-second connecting rod, 4-third connecting rod, 5-guide cylinder, 6-transition rod, 7-hydraulic cylinder, 8-second connecting rod base, 9-mounting platform, 10-locking arm base, 11-travel switch, 12-rubber pad and 13-locked object.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, a connecting rod locking device according to an embodiment of the present invention is used for locking and unlocking an underwater vehicle. The connecting rod locking device comprises a locking arm 1, a first connecting rod 2, a second connecting rod 3, a third connecting rod 4, a guide cylinder 5, a transition rod 6, a hydraulic cylinder 7, a second connecting rod base 8, a mounting platform 9 and a locking arm base 10; the transition rod 6 is fixedly connected with the hydraulic cylinder 7; the locking arm 1 and the locking arm base 10, the locking arm 1 and the first connecting rod 2, the first connecting rod 2 and the second connecting rod 3, the second connecting rod 3 and the second connecting rod base 8, and the second connecting rod 3 and the transition rod 6 are respectively connected in a hinged mode; the second connecting rod base 8 and the locking arm base 10 are fixed on the surface of the mounting platform 9; the locking arm 1, the first connecting rod 2, the second connecting rod 3 and the mounting platform 9 form a four-bar linkage together.
During locking, the hydraulic cylinder 7 retracts downwards to drive the transition rod 6 to retract, the third connecting rod 4, the second connecting rod 3, the first connecting rod 2 and the locking arm 1 are driven in a linkage mode, and when the second connecting rod 3 and the first connecting rod 2 are overlapped in direction, the locking device is in a fixed state.
During unlocking, the hydraulic cylinder 7 extends upwards to drive the transition rod 6 to eject out, the third connecting rod 4, the second connecting rod 3, the first connecting rod 2 and the locking arm 1 are driven in a linkage mode, when the hydraulic cylinder 7 extends out completely, the locking arm 1 and the horizontal plane form an angle theta, and preferably the angle theta is larger than or equal to 90 degrees.
Further, the transition rod 6 of the connecting rod locking device is in threaded connection with the hydraulic cylinder 7.
Further, a travel switch 11 is arranged on one side of the locking arm base 10 close to the locking arm 1, and the travel switch 11 is used for indicating the locking state of the locking arm 1.
Furthermore, a toggle plate is arranged at the back of the locking arm 1 and is used for bearing the locking reaction force.
Furthermore, a buffer material is arranged on the contact surface of the locking arm 1 and the object to be locked, the buffer material is preferably a rubber pad 12 and is fixed by industrial glue, so that the locking arm 1 can be prevented from crushing the object to be locked 13, the deformation buffer effect can be achieved, and the design precision requirement of the mechanism and the locking mechanical noise are reduced.
Furthermore, the connecting rod locking device further comprises a guide cylinder 5, the transition rod 6 penetrates through the guide cylinder 5 to form a sliding structure, and the capability of the transition rod 6 for bearing radial load is improved, so that the radial rigidity of the hydraulic cylinder 7 is improved, and the service life of the hydraulic cylinder 7 can be prolonged.
Referring to fig. 2, the link locking devices are used in pairs, the specific number depends on the length of the object to be locked, and 2 pairs of 4 sets of link locking devices are shown as an application example.
The embodiment of the utility model provides a connecting rod locking device's theory of operation does:
when the locking mechanism is locked, the piston rod of the hydraulic cylinder 7 retracts downwards to drive the transition rod 6 to retract along the guide cylinder 5 in a sliding mode, the third connecting rod 4, the second connecting rod 3, the first connecting rod 2 and the locking arm are driven in a linkage mode, when the second connecting rod 3 and the first connecting rod 2 are overlapped in direction, the mechanism is located at a mechanical dead point position, the locking arm 1 is located at a water surface state, a locked object 13 is pressed through a rubber pad 12, and the travel switch 11 is close to the locking arm to indicate that locking is in place.
During unlocking, the piston rod of the hydraulic cylinder 7 extends upwards to drive the transition rod 6 to slide and eject out along the guide cylinder 5, the third connecting rod 4, the second connecting rod 3, the first connecting rod 2 and the locking arm are driven in a linkage mode, when the piston rod of the hydraulic cylinder 7 extends out completely, the locking arm 1 and the horizontal plane form an angle theta, through the size design of the connecting rods, the angle theta can be guaranteed to be larger than or equal to 90 degrees, and the locked object can move out of a locking station.
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 changes or substitutions that can be easily conceived by those skilled in the art within the scope of the present invention should be covered by 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. A connecting rod locking device characterized in that: the hydraulic cylinder is connected with the first connecting rod and the second connecting rod through the connecting rod base; the transition rod is fixedly connected with the hydraulic cylinder; the locking arm and the locking arm base, the locking arm and the first connecting rod, the first connecting rod and the second connecting rod, the second connecting rod and the second connecting rod base, and the second connecting rod and the transition rod are respectively connected in a hinged mode; the second connecting rod base and the locking arm base are fixed on the surface of the mounting platform; the locking arm, the first connecting rod, the second connecting rod and the mounting platform form a four-bar linkage together;
when the locking device is locked, the hydraulic cylinder retracts downwards to drive the transition rod to retract, the third connecting rod, the second connecting rod, the first connecting rod and the locking arm are driven in a linkage manner, and when the second connecting rod is overlapped with the first connecting rod, the locking device is in a fixed state;
during unlocking, the hydraulic cylinder extends upwards to drive the transition rod to eject out, the third connecting rod, the second connecting rod, the first connecting rod and the locking arm are driven in a linkage mode, and when the hydraulic cylinder extends out completely, the locking arm and the horizontal plane form an angle theta.
2. The link locking apparatus according to claim 1, wherein: the transition rod is in threaded connection with the hydraulic cylinder.
3. The link locking apparatus according to claim 1, wherein: and a travel switch is arranged on one side of the locking arm base, which is close to the locking arm.
4. The link locking apparatus according to claim 1, wherein: and a toggle plate is arranged at the back of the locking arm.
5. The link locking apparatus according to claim 1, wherein: and a buffer material is arranged on the contact surface of the locking arm and the object to be locked.
6. The link locking apparatus according to claim 5, wherein: the buffer material is a rubber pad.
7. The link locking apparatus according to claim 5, wherein: the cushioning material is fixed using industrial glue.
8. The link locking apparatus according to claim 1, wherein: the transition rod penetrates through the guide cylinder to form a sliding structure.
9. The link locking apparatus according to claim 1, wherein: the theta is more than or equal to 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021512893.5U CN213139065U (en) | 2020-07-24 | 2020-07-24 | Connecting rod locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021512893.5U CN213139065U (en) | 2020-07-24 | 2020-07-24 | Connecting rod locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213139065U true CN213139065U (en) | 2021-05-07 |
Family
ID=75734690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021512893.5U Expired - Fee Related CN213139065U (en) | 2020-07-24 | 2020-07-24 | Connecting rod locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213139065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911521A (en) * | 2021-09-16 | 2022-01-11 | 中国船舶重工集团公司第七一九研究所 | Cylindrical body holding claw device for warehouse |
-
2020
- 2020-07-24 CN CN202021512893.5U patent/CN213139065U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113911521A (en) * | 2021-09-16 | 2022-01-11 | 中国船舶重工集团公司第七一九研究所 | Cylindrical body holding claw device for warehouse |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210507 |