CN203005388U - Landing leg lock device - Google Patents
Landing leg lock device Download PDFInfo
- Publication number
- CN203005388U CN203005388U CN 201320008674 CN201320008674U CN203005388U CN 203005388 U CN203005388 U CN 203005388U CN 201320008674 CN201320008674 CN 201320008674 CN 201320008674 U CN201320008674 U CN 201320008674U CN 203005388 U CN203005388 U CN 203005388U
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- China
- Prior art keywords
- supporting leg
- handle
- lock
- dead bolt
- lock body
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- Expired - Lifetime
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Abstract
The utility model provides a landing leg lock device comprising a landing leg lock and a baffle block, wherein the baffle block is arranged on the landing leg and matched with the landing leg lock; the landing leg lock comprises a lock body, a spring bolt, and a handle which is connected with the spring bolt; the lock body comprises a clamping part, which is clamped with the handle when the spring bolt is in a retraction state so as to keep the landing leg lock in an unlock state; and the baffle block is provided with a first inclined plane, which is used for compressing the spring bolt in the process of putting down the landing leg to enable the handle to be released by the clamping part. According to the landing leg lock device disclosed by the utility model, the landing leg lock is manually unlocked; the handle is clamped by the clamping part on the lock body, so that the spring bolt cannot reset; the landing leg lock is kept in an unlock state; and the landing leg can be smoothly put down; the first inclined plane on the baffle block compresses the spring bolt in the process of putting down the landing leg, so that the handle is released by the clamping part; and the spring bolt resets. Therefore, the landing leg can be locked without a manual operation in the process of recovering the landing leg. The landing leg lock device disclosed by the utility model is simple in structure and reliable to lock.
Description
Technical field
The utility model relates to supporting leg locking technical field, in particular to a kind of outrigger locking device.
Background technology
With the engineering equipment of supporting leg, as concrete pump truck, crane etc., need carry out safety locking after supporting leg draws in when non-operating condition, when preventing that after the locked inefficacy of oil cylinder curve traffic or physical features tilt, the supporting leg accident is shown and is caused potential safety hazard.Supporting leg is locked the locking that preferably can automatically reset, and causes potential safety hazard to prevent from forgetting the locking supporting leg, reaches simultaneously to alleviate manipulation strength, the purpose of increasing work efficiency.In prior art, the supporting leg lockset has severally, but much can't automatically reset, and perhaps structure is simple not and cause processing loaded down with trivial details, and manufacturing cost is high, perhaps can not secure ratcs.
The utility model content
The utility model aims to provide a kind of simple in structure, can automatically reset outrigger locking device, can not automatically reset to solve outrigger locking device of the prior art, baroque problem.
The utility model provides a kind of outrigger locking device, comprises supporting leg lock and is arranged on the block that coordinates with the supporting leg lock on supporting leg; Supporting leg lock comprises lock body, dead bolt and the handle that is connected with dead bolt, has on lock body under the dead bolt retracted mode with the handle clamping so that supporting leg is locked the Access Division that remains on unlocking condition; Block has at supporting leg and puts down in process the compression dead bolt so that handle breaks away from the first inclined-plane of Access Division clamping.
Further, lock body is tubular, and its first end is open end, and the second end is the round-meshed closed end of tool; The Access Division is the draw-in groove that is arranged on closed end, has the lug boss that coordinates with draw-in groove on handle.
Further, dead bolt comprises lock head, shank of the key section, and the stopper section between lock head and shank of the key section; Dead bolt is set to lock body inside from the open end of lock body, and shank of the key section passes the circular hole of closed end, is provided with the spring that is set in shank of the key section between the closed end of lock body and the stopper section of dead bolt; The handle pivotable is arranged on the end of shank of the key section.
Further, the end of shank of the key section offers the handle mounting groove that extends along the axial direction of shank of the key section, and the handle pivotable is arranged in the handle mounting groove; Handle has parallel with dead bolt and lug boss is connected in draw-in groove so that the supporting leg lock is the primary importance of unlocking condition, and vertical with dead bolt so that supporting leg is locked the second place that is lockup state.
Further, when the supporting leg lock was unlocking condition, lock head protruded from the open end of lock body, and the length of protruding is L; The degree of depth of draw-in groove is H, and the minor increment of the open end of block and lock body is d, wherein, and L＞d+H.
Further, block has the locking face parallel with the supporting leg lock, and with the vertical surface vertical with the locking face, the first inclined-plane is arranged on the corner of locking face and vertical surface; The intersection point of the first inclined-plane and locking face is D apart from the distance of the end of the open end of lock body, wherein, and D＞L.
Further, block also has the second inclined-plane that compresses the dead bolt that is lockup state in supporting leg withdrawal process.
Further, lock head has the conical surface that coordinates with the first inclined-plane and the second inclined-plane.
Further, be provided with rubber grip with salient angle on handle.
Further, handle has arc sections near the end of lock body.
According to outrigger locking device of the present utility model, after manual unlocking supporting leg lock, handle is blocked by the Access Division on lock body, thereby dead bolt can not be resetted, and the supporting leg lock remains on unlocking condition, and supporting leg can put down smoothly.Put down in process at supporting leg, the first inclined-plane compression dead bolt on block makes handle break away from the Access Division clamping, and dead bolt resets, and therefore in supporting leg withdrawal process, no longer needing manual operation is the lockable supporting leg.Outrigger locking device of the present utility model is simple in structure, and locking is reliable.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram that the supporting leg lock of outrigger locking device of the present utility model is lockup state;
Fig. 2 is that the supporting leg of outrigger locking device of the present utility model is locked the schematic diagram in the process of unblanking;
Fig. 3 is the schematic diagram that the supporting leg lock of outrigger locking device of the present utility model is unlocking condition;
Fig. 4 is the perspective view of lock body of the supporting leg lock of outrigger locking device of the present utility model;
Fig. 5 is the partial enlarged drawing of handle of the supporting leg lock of outrigger locking device of the present utility model;
After Fig. 6 was manual unlocking supporting leg lock, supporting leg put down the matching relationship schematic diagram of front leg strut lock and block;
Fig. 7 is the matching relationship schematic diagram that supporting leg puts down the lock of supporting leg in process and block;
Fig. 8 is the matching relationship schematic diagram that supporting leg puts down rear support leg lock and block;
Fig. 9 is the Access Division clamping schematic diagram on manual unlocking supporting leg lock back handle and lock body;
Figure 10 is that supporting leg puts down in process, and the schematic diagram of Access Division is released handle on the first inclined-plane.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As Fig. 1 and shown in Figure 6, according to outrigger locking device of the present utility model, comprise supporting leg lock 10 and be arranged on supporting leg with supporting leg lock 10 blocks that coordinate 20; Supporting leg lock 10 comprises lock body 11, dead bolt 12 and the handle 13 that is connected with dead bolt 12, has on lock body 11 under dead bolt 12 retracted modes with handle 13 clampings so that supporting leg is locked 10 Access Divisions that remain on unlocking condition; Block 20 has at supporting leg and puts down in process compression dead bolt 12 so that handle 13 breaks away from the first inclined-plane 23 of Access Division clampings.Outrigger locking device of the present utility model, after manual unlocking supporting leg lock 10, handle 13 is blocked by the Access Division on lock body 11, thereby dead bolt 12 can not be resetted, and supporting leg lock 10 remains on unlocking condition, and supporting leg can put down smoothly.Put down in process at supporting leg, the first inclined-plane 23 compression dead bolts 12 on block 20 make handle 13 break away from the Access Division clamping, and dead bolt 12 resets, and therefore in supporting leg withdrawal process, no longer needing manual operation is the lockable supporting leg.Outrigger locking device of the present utility model is simple in structure, and locking is reliable.
As shown in Figure 1, lock body 11 is tubular, lock body 11 first ends are namely open end towards an end of block 20, facilitate the flexible of dead bolt, the second end of lock body 11 is the round-meshed closed end of tool, dead bolt 12 comprises lock head 121, shank of the key section 122, and the stopper section 123 between lock head 121 and shank of the key section 122; Dead bolt 12 is set to lock body 11 inside from the open end of lock body 11, and shank of the key section 122 passes the circular hole of closed end, is provided with the spring 14 that is set in shank of the key section 122 between the stopper section 123 of the closed end of lock body 11 and dead bolt 12; Handle 13 pivotables are arranged on the end of shank of the key section 122.At first supporting leg lock 10 is placed in spring 14 lock body 11 inside in assembling process, then put into dead bolt 12 from the open end of lock body 11, in shank of the key section 122, handle 13 is set at last.
Preferably, the end of shank of the key section 122 offers the handle mounting groove that extends along the axial direction of shank of the key section 122, the both sides of handle mounting groove are provided with pin hole, the corresponding through hole that is provided with the pin hole cooperation on handle 13, be located in pin hole and through hole by pin, thereby make the handle pivotable be arranged on the handle mounting groove, and handle 13 can rotate in the handle mounting groove.More preferably, also be provided with locating dowel pin 13d on handle 13 tops, after handle 13 rotate in place, locating dowel pin 13d and shank of the key section 122 butts, thus prevent that handle 13 transition from rotating.Handle 13 also can adopt other structures that is connected with shank of the key section 122 pivotables.
As shown in Figure 4 and Figure 5, the Access Division is the draw-in groove 11a that is arranged on lock body 11 closed ends, has the lug boss 13a that coordinates with draw-in groove 11a on handle 13, when handle 13 turns to the state parallel with dead bolt 12, lug boss 13a is connected in draw-in groove, and due to the elastic force effect of spring 14, lug boss 13a is embedded in maintenance in draw-in groove 11a, thereby makes supporting leg lock 10 remain on unlocking condition.
As shown in Figure 1, when handle is vertical with dead bolt 12, dead bolt 12 ejects under the effect of spring 14 elastic force, thereby with block 20 lockings, preferably, retract in the situations such as vibration in order to prevent dead bolt 12, be provided with through hole 122a on dead bolt 12, lock body 11 is provided with the spacing hole corresponding with through hole 122a, when dead bolt 12 is lockup state, can insert locating dowel pin in spacing hole, thereby improve the reliability of supporting leg lock.As shown in Figure 2, when making progress turning handle 13, handle 13 pulls dead bolt 12 Compress Springs 14, thereby makes dead bolt 12 be retracted into lock body 11 inside, and namely handle 13 is to open the process of supporting leg lock 10 from the primary importance that the second place of vertical state upwards turns to horizontality.As shown in Figure 3, when handle 13 turns to when parallel with dead bolt 12, lug boss 13a on handle 13 snaps in draw-in groove 11a, and under the elastic force effect of spring 14, handle 13 keeps lug boss 13a to be embedded in draw-in groove 11a, be that dead bolt can not stretch out and resets, supporting leg lock 10 remains on unlocking condition, thereby supporting leg can be put down smoothly.Preferably, handle 13 has arc sections 13c near the end of lock bodies 11, and in unlocking handle 13 rotation processes, arc sections 13c is in lock body 11 end smooth sliding, thereby makes the turning handle more convenient operation laborsaving.More preferably, the operating handle when unblanking in order to promote prevents that hand passive movement mechanism from crushing, and is provided with the rubber grip 13b with salient angle on handle 13.
as Fig. 6 and shown in Figure 9, when making supporting leg lock 10 be unlocking condition in the lug boss 13a on handle 13 snaps in draw-in groove 11a on lock body 11, the lock head 121 of dead bolt 12 protrudes from the open end of lock body 11, and the length of protruding is L, the degree of depth of draw-in groove 11a is H, for prevent that supporting leg from putting down and the withdrawal process in, block 20 is interfered with the lock body 11 that is fixedly installed, block 20 is d with certain minor increment that has of the open end of lock body 11, in order to guarantee that supporting leg puts down in process, the locking of lug boss 13a disengaging draw-in groove 11a on handle 13 is spacing, need to guarantee L＞d+H, be L-d＞H.Also namely as shown in Figure 7, put down in process at supporting leg, guarantee that 20 pairs of dead bolts 12 of block can be to the ultimate range of the lock body 11 internal compression depth H greater than draw-in groove, thereby guarantee the lug boss 13a on handle 13 is released draw-in groove 11a(state as shown in figure 10), after the lug boss 13a on handle 13 is pushed out draw-in groove 11a, handle 13 rotates under action of gravitation, lug boss 13a is lifted can not return draw-in groove 11a.As shown in Figure 8, when block on supporting leg 20 was crossed dead bolt 12, spring 14 ejected dead bolt 12, and namely dead bolt 12 automatically resets.
As shown in Fig. 6 to 8, block 20 has the locking faces 21 parallel with supporting leg lock 10, and namely after supporting leg was regained, locking face 21 was connected to the upper limb of dead bolt 12, and supporting leg is by secure ratcs, prevents from that the supporting leg accident from showing to cause potential safety hazard.Block 20 also has the vertical surface vertical with locking face 21 22, the first inclined-plane 23 is arranged on the corner of locking face 21 and vertical surface 22, namely the first inclined-plane 23 is positioned at the lower corner of block 20, supporting leg puts down in process, at first the first inclined-plane 23 contacts with dead bolt 12, and the directional tagging by the inclined-plane, dead bolt 12 is pressed into lock body 11 inside.
In order to guarantee that supporting leg puts down in process, dead bolt 12 does not contact with locking face 21, the length L that the intersection point of the first inclined-plane 23 and locking face 21 protrudes greater than dead bolt apart from the distance B of the end of the open end of lock body 11, thus supporting leg is reliably put down.
Due to after supporting leg puts down, dead bolt is through block 20 compressions, and having automatically reset is in the state that stretches out fully.In supporting leg withdrawal process, need first dead bolt 12 to be pressed into lock body 11 inside, therefore the second inclined-plane 24 is set on the top of block, in supporting leg withdrawal process, at first the second inclined-plane compresses dead bolt 12, and after block 20 was crossed dead bolt 12, dead bolt 12 ejected under the elastic force effect of spring 14, lock block 20 automatically locks supporting leg lock purpose thereby reach.
Preferably, the end of the lock head 121 of dead bolt 12 has the conical surface, supporting leg put down and the withdrawal process in, the conical surface coordinates with the first inclined-plane 23 and the second inclined-plane 24, can play directional tagging, and reduce the contact angle on dead bolt 12 and the first inclined-plane 23 and the second inclined-plane 24, eliminate wedge angle, thereby avoid long-term the use to cause dead bolt 12 or block wearing and tearing.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
According to outrigger locking device of the present utility model, coordinate by the lug boss on handle and the draw-in groove on lock body, after manual unlocking supporting leg lock, handle keeps being embedded in the groove of lock body, thereby keeps unlocking condition.Put down in process at supporting leg, when block is crossed the supporting leg lock, will compress dead bolt, the lug boss on handle breaks away from draw-in groove screens restriction, under Action of Gravity Field, will be automatically sagging, and under the effect of spring, the dead bolt auto-extending is realized auto-reset function.When supporting leg was regained, the second inclined-plane on block was pressed into the supporting leg dead bolt, after crossing the supporting leg lock, and the dead bolt automatic spring, locking stop reaches and automatically locks supporting leg lock purpose.Outrigger locking device of the present utility model only needs to open the supporting leg lock, no longer needs manual intervention when supporting leg is regained, and can automatically lock supporting leg.Outrigger locking device of the present utility model can automatically reset, and is easy to use, and locking is reliable, and simple in structure, easy to process, cost is lower.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an outrigger locking device, is characterized in that, comprises supporting leg lock (10) and be arranged on locking with described supporting leg the block (20) that (10) coordinate on supporting leg;
Described supporting leg lock (10) comprises lock body (11), dead bolt (12) and the handle (13) that is connected with described dead bolt (12), has on described lock body (11) under described dead bolt (12) retracted mode with (13) clamping of described handle so that described supporting leg is locked the Access Division that (10) remain on unlocking condition;
Described block (20) has compression described dead bolt (12) in described supporting leg puts down process so that described handle (13) breaks away from first inclined-plane (23) of described Access Division clamping.
2. outrigger locking device according to claim 1, is characterized in that,
Described lock body (11) is tubular, and its first end is open end, and the second end is the round-meshed closed end of tool;
Described Access Division is the draw-in groove (11a) that is arranged on described closed end, has the lug boss (13a) that coordinates with described draw-in groove (11a) on described handle (13).
3. outrigger locking device according to claim 2, is characterized in that,
Described dead bolt (12) comprises lock head (121), shank of the key section (122), and is positioned at the stopper section (123) between described lock head (121) and described shank of the key section (122);
Described dead bolt (12) is set to described lock body (11) inside from the open end of described lock body (11), and the circular hole of described closed end passes in described shank of the key section (122), is provided with the spring (14) that is set in described shank of the key section (122) between the stopper section (123) of the closed end of described lock body (11) and described dead bolt (12);
Described handle (13) pivotable is arranged on the end of described shank of the key section (122).
4. outrigger locking device according to claim 3, is characterized in that,
The end of described shank of the key section (122) offers the handle mounting groove that extends along the axial direction of described shank of the key section (122), and described handle (13) pivotable is arranged in described handle mounting groove;
Described handle (13) has parallel with described dead bolt (12) and described lug boss (13a) is connected in described draw-in groove (11a) so that described supporting leg lock (10) is the primary importance of unlocking condition, and vertical with described dead bolt (12) so that described supporting leg is locked the second place that (10) are lockup state.
5. outrigger locking device according to claim 3, is characterized in that,
Described supporting leg lock (10) is when being unlocking condition, and described lock head (121) protrudes from the open end of described lock body (11), and the length of protruding is L;
The degree of depth of described draw-in groove (11a) is H, and described block (20) is d with the minor increment of the open end of described lock body (11), wherein, and L＞d+H.
6. outrigger locking device according to claim 5, is characterized in that,
Described block (20) has the locking face (21) parallel with described supporting leg lock (10), with the vertical surface (22) vertical with described locking face (21), described the first inclined-plane (23) is arranged on the corner of described locking face (21) and described vertical surface (22);
Described the first inclined-plane (23) is D with the distance of the end of the open end of the intersection point described lock body of distance (11) of described locking face (21), wherein, and D＞L.
7. outrigger locking device according to claim 6, is characterized in that,
Described block (20) also has the second inclined-plane (24) that compresses the described dead bolt (12) that is lockup state in described supporting leg withdrawal process.
8. outrigger locking device according to claim 7, is characterized in that,
Described lock head (121) has the conical surface that coordinates with described the first inclined-plane (23) and the second inclined-plane (24).
9. outrigger locking device according to claim 4, is characterized in that,
Be provided with the rubber grip (13b) with salient angle on described handle (13).
10. outrigger locking device according to claim 4, is characterized in that,
Described handle (13) has arc sections (13c) near the end of described lock body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008674 CN203005388U (en) | 2013-01-08 | 2013-01-08 | Landing leg lock device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008674 CN203005388U (en) | 2013-01-08 | 2013-01-08 | Landing leg lock device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203005388U true CN203005388U (en) | 2013-06-19 |
Family
ID=48597011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008674 Expired - Lifetime CN203005388U (en) | 2013-01-08 | 2013-01-08 | Landing leg lock device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203005388U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304591A (en) * | 2019-06-13 | 2019-10-08 | 成都思源兄弟科技有限公司 | A kind of automatic catch means for lifting device |
| CN111395221A (en) * | 2020-03-19 | 2020-07-10 | 苏州汉马电工设备有限公司 | Manual lifting type lifting road pile |
-
2013
- 2013-01-08 CN CN 201320008674 patent/CN203005388U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110304591A (en) * | 2019-06-13 | 2019-10-08 | 成都思源兄弟科技有限公司 | A kind of automatic catch means for lifting device |
| CN110304591B (en) * | 2019-06-13 | 2024-04-19 | 成都思源兄弟科技有限公司 | Automatic locking device for lifting equipment |
| CN111395221A (en) * | 2020-03-19 | 2020-07-10 | 苏州汉马电工设备有限公司 | Manual lifting type lifting road pile |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |