CN210483209U - Mast automatic unlocking device - Google Patents
Mast automatic unlocking device Download PDFInfo
- Publication number
- CN210483209U CN210483209U CN201921292630.5U CN201921292630U CN210483209U CN 210483209 U CN210483209 U CN 210483209U CN 201921292630 U CN201921292630 U CN 201921292630U CN 210483209 U CN210483209 U CN 210483209U
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- bolt
- mast
- automatic
- locking
- automatic unlocking
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Abstract
The utility model relates to a mast technical field especially relates to automatic unlocking device of mast, it includes bolt locking mechanism and automatic unlocking mechanism, bolt locking mechanism includes the bolt mount pad, the bolt, lantern ring and locking spring on the bolt, the bolt end stretches out the bolt mount pad, be equipped with the locking recess in the bolt mount pad, locking spring and guide ring all are located the locking recess and locking spring one end and locking recess fixed connection, the other end and guide ring fixed connection, automatic unlocking mechanism is including fixed mounting in proper order in terminal U-shaped picture peg of bolt and slip unlocking piece, the U-shaped picture peg upper portion outside is equipped with U-shaped picture peg inclined plane and its U-shaped groove and clamps between the U-shaped picture peg of last section bolt and slip unlocking piece, slip unlocking piece bottom inboard is equipped with U-shaped picture peg inclined plane matched with slip unlocking piece inclined plane. The device easy operation provided by the utility model, need not to realize the automatic unblock of multisection mast with the help of instrument and the operation of ascending a height.
Description
Technical Field
The utility model relates to a mast technical field especially relates to automatic unlocking device of mast.
Background
Lifting masts are widely used in many fields, and sometimes it takes a long time to keep the mast extended during use, and it is necessary to mechanically lock the sections to prevent the mast from sliding down in the event of a loss of pressure. The general mechanical locking method includes a bolt type and a hoop type, and either method needs a person to unlock the lock manually on site. Along with the expansion of the application field, the requirement of the mast is higher and higher, the initial height of the relative mast is higher and higher, operators cannot reach the corresponding height without the assistance of external tools to realize unlocking, and in other fields, the operators cannot reach the site, so that the unlocking is more difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an easy operation is provided, need not to realize the automatic unlocking device of mast of the automatic unblock of multisection mast with the help of instrument and the operation of ascending a height.
The utility model discloses a realize through following technical scheme:
the mast automatic unlocking device comprises a bolt locking mechanism and an automatic unlocking mechanism, wherein the bolt locking mechanism comprises a bolt mounting seat fixedly arranged on each section of sleeve of the mast, a bolt arranged in the bolt mounting seat, a guide ring sleeved on the bolt and a locking spring, the tail end of the bolt extends out of the bolt mounting seat, a locking groove is arranged in the bolt mounting seat, the locking spring and the guide ring are both positioned in the locking groove, one end of the locking spring is fixedly connected with the locking groove, the other end of the locking spring is fixedly connected with the guide ring, the automatic unlocking mechanism comprises a U-shaped inserting plate and a sliding unlocking block which are fixedly arranged at the tail end of the inserting pin in sequence, the outer side of the upper part of the U-shaped inserting plate is provided with a U-shaped inserting plate inclined plane, and a U-shaped groove of the U-shaped inserting plate inclined plane is clamped between the U-shaped inserting plate of the upper section of the inserting pin and the sliding unlocking block, the inner side of the bottom of the sliding unlocking block is provided with a sliding unlocking block inclined plane matched with the inclined plane of the U-shaped inserting plate.
Furthermore, a positioning key groove is formed in the bolt, and a positioning piece fixedly connected with the bolt mounting seat is arranged in the positioning key groove.
Furthermore, a nylon sliding head is arranged at the front end of the bolt.
Furthermore, the contact part of the upper part of the nylon sliding head and the rod body is a plane.
Further, the automatic unlocking device at the lowest section is fixedly provided with an automatic driving part, and the bolt is pushed or pulled outwards.
Further, the automatic driving part is a cylinder.
Beneficial effects of the utility model
The utility model discloses an automatic unlocking device of mast, when being in lock state, because locking spring's effect, the front end of bolt inserts in corresponding festival cover, during the unblock, only need through manual or automatic mode, if adopt the hydro-cylinder, the cylinder, electric putter or other arbitrary modes are extracted the bolt of next festival, the last festival mast body of rod slides down under the action of gravity, its slip unlocking piece of automatic unlocking device of dress on last festival cover contacts with the U-shaped picture peg of another unlocking device of dress on next festival cover, because two inclined planes of contact segment mutually support, produce an outside yawing force, make upper portion be equipped with the slip bolt side that unlocks the piece and move, thereby make the bolt extract, and easy operation need not to realize the automatic unblock of multisection mast with the help of instrument and the operation of ascending a height.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of part I;
in the figure, 1, a bolt mounting seat, 2, a bolt, 3, a guide ring, 4, a locking spring, 5, a nylon sliding head, 6, a positioning piece, 7, a U-shaped inserting plate, 8, a sliding unlocking block, 9, a joint sleeve, 10, a positioning key groove, 11, an air cylinder, 12, a locking groove, 13, an inclined plane of the U-shaped inserting plate, 14, an inclined plane of the sliding unlocking block and 15 planes are arranged.
Detailed Description
The mast automatic unlocking device comprises a bolt locking mechanism and an automatic unlocking mechanism, wherein the bolt locking mechanism comprises a bolt mounting seat 1 fixedly mounted on each section of sleeve 9 of the mast, a bolt 2 mounted in the bolt mounting seat, a guide ring 3 sleeved on the bolt and a locking spring 4, a bolt fixing connection mode is selected between the bolt mounting seat and each section of sleeve of the mast for facilitating the dismounting, the tail end of the bolt extends out of the bolt mounting seat, a locking groove 12 is arranged in the bolt mounting seat, the locking spring and the guide ring are both positioned in the locking groove, one end of the locking spring is fixedly connected with the locking groove, the other end of the locking spring is fixedly connected with the guide ring, the automatic unlocking mechanism comprises a U-shaped inserting plate 7 and a sliding unlocking block 8 which are fixedly mounted at the tail end of the bolt in sequence, and the U-shaped inserting plate, the sliding unlocking block and the bolt can be fixedly connected with each other to facilitate the, the outer side of the upper portion of the U-shaped inserting plate is provided with a U-shaped inserting plate inclined surface 13, a U-shaped groove of the U-shaped inserting plate inclined surface is clamped between the U-shaped inserting plate of the upper bolt and the sliding unlocking block, and the inner side of the bottom of the sliding unlocking block is provided with a sliding unlocking block inclined surface 14 matched with the U-shaped inserting plate inclined surface, so that a lateral force can be generated to push the bolt outwards when the sliding unlocking block and the sliding unlocking block are in contact.
Furthermore, a positioning key groove 10 is formed in the bolt, and a positioning piece 6 fixedly connected with the bolt mounting seat is arranged in the positioning key groove, so that the moving range of the bolt is set within a corresponding range, the bolt is prevented from moving too far, the mast is prevented from being damaged during locking, or the bolt is completely pulled out during unlocking.
Furthermore, the front end of the bolt is provided with a nylon sliding head 5, so that when the mast moves up and down, the bolt only slides on the rod body and does not scratch the surface of the mast.
Furthermore, the contact part of the upper part of the nylon sliding head and the rod body is a plane 15, and the contact part of the nylon sliding head and the rod body can be in surface contact when bearing pressure, so that the pressure stress is reduced.
Further, the automatic unlocking device of the lowest section is fixedly provided with an automatic driving part, the bolt is pushed or pulled outwards, automatic control unlocking is achieved, time and labor are saved, and the bolt is not required to be pulled manually.
Furthermore, the automatic driving part is the air cylinder 11, so that automatic remote control unlocking can be realized, and the operation is more convenient and labor-saving.
When the mast is in a lifting state, the front end part of the bolt is inserted into the groove of the guide strip inside the upper section of the mast body under the action of the locking spring, the corresponding two sections are locked, when the mast is unlocked, the bolt of the lowest section is pulled out only by a manual or automatic mode, such as an oil cylinder, an air cylinder, an electric push rod or any other mode, the mast body of the upper section slides downwards under the action of gravity, the sliding unlocking block of the automatic unlocking device arranged on the upper section of the sleeve is contacted with the U-shaped inserting plate of the other unlocking device arranged on the lower section of the sleeve, and as the two inclined surfaces of the contact part are matched with each other, an outward lateral force is generated, so that the bolt with the sliding unlocking block arranged on the upper part is moved laterally, the bolt is pulled out, the operation is simple, and the automatic unlocking of the multi-section mast can be realized without tools and ascending operation.
To sum up, the utility model discloses the automatic unlocking device of mast, easy operation need not to realize the automatic unblock of multisection mast with the help of instrument and the operation of ascending a height, and can realize remote automatic control unblock and realize the position automatic control unblock that can't reach at the personnel.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The mast automatic unlocking device is characterized by comprising a bolt locking mechanism and an automatic unlocking mechanism, the bolt locking mechanism comprises a bolt mounting seat fixedly mounted on each section of the section sleeve of the mast, a bolt mounted in the bolt mounting seat, a guide ring sleeved on the bolt and a locking spring, the tail end of the bolt extends out of the bolt mounting seat, a locking groove is arranged in the bolt mounting seat, the locking spring and the guide ring are both positioned in the locking groove, one end of the locking spring is fixedly connected with the locking groove, the other end of the locking spring is fixedly connected with the guide ring, the automatic unlocking mechanism comprises a U-shaped inserting plate and a sliding unlocking block which are fixedly arranged at the tail end of the inserting pin in sequence, the outer side of the upper part of the U-shaped inserting plate is provided with a U-shaped inserting plate inclined plane, and a U-shaped groove of the U-shaped inserting plate inclined plane is clamped between the U-shaped inserting plate of the upper section of the inserting pin and the sliding unlocking block, the inner side of the bottom of the sliding unlocking block is provided with a sliding unlocking block inclined plane matched with the inclined plane of the U-shaped inserting plate.
2. A mast automatic unlocking device as defined in claim 1, wherein the latch is provided with a positioning key groove, and a positioning piece fixedly connected with the latch mounting seat is provided in the positioning key groove.
3. A mast automatic unlocking device as defined in claim 1, wherein a nylon slider is mounted to a front end of the latch.
4. A mast automatic unlocking device according to claim 3, wherein the contact portion of the upper portion of the nylon slider with the rod body is a flat surface.
5. A mast automatic unlocking device according to claim 1, wherein the automatic unlocking device of the lowermost section is fixedly provided with an automatic driving part to push or pull the latch to the outside.
6. A mast automatic unlock device according to claim 5, wherein the automatic drive component is an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292630.5U CN210483209U (en) | 2019-08-12 | 2019-08-12 | Mast automatic unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292630.5U CN210483209U (en) | 2019-08-12 | 2019-08-12 | Mast automatic unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210483209U true CN210483209U (en) | 2020-05-08 |
Family
ID=70535983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292630.5U Active CN210483209U (en) | 2019-08-12 | 2019-08-12 | Mast automatic unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210483209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453967A (en) * | 2019-08-12 | 2019-11-15 | 常州朗卓机电科技有限公司 | Mast auto-unlocking device |
| CN115191197A (en) * | 2022-07-12 | 2022-10-18 | 安徽省农业科学院园艺研究所 | Vegetable fertilizing device with fertilizer refining function |
-
2019
- 2019-08-12 CN CN201921292630.5U patent/CN210483209U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110453967A (en) * | 2019-08-12 | 2019-11-15 | 常州朗卓机电科技有限公司 | Mast auto-unlocking device |
| CN115191197A (en) * | 2022-07-12 | 2022-10-18 | 安徽省农业科学院园艺研究所 | Vegetable fertilizing device with fertilizer refining function |
| CN115191197B (en) * | 2022-07-12 | 2024-04-05 | 安徽省农业科学院园艺研究所 | Vegetable fertilizer injection unit with fertilizer refines function |
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