CN211545691U - Landing leg leveling device for crane - Google Patents
Landing leg leveling device for crane Download PDFInfo
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- CN211545691U CN211545691U CN202020088075.0U CN202020088075U CN211545691U CN 211545691 U CN211545691 U CN 211545691U CN 202020088075 U CN202020088075 U CN 202020088075U CN 211545691 U CN211545691 U CN 211545691U
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- telescopic rod
- slide rail
- electric telescopic
- arc
- crane
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Abstract
The utility model discloses a landing leg leveling device for a crane, which comprises a main beam and landing legs; one end of the main beam is connected with a crane body; the other end of the main beam is connected with the supporting leg; the lower sides of the supporting legs are provided with ball hinges; a supporting leg base is arranged at the lower side of the ball hinge; the support legs are provided with arc grooves; an annular electric slide rail and an auxiliary slide rail are arranged in the arc-shaped groove; the annular electric slide rail is positioned on the inner wall of the arc-shaped groove; the auxiliary slide rail is positioned on the lower side wall of the arc-shaped groove; the annular electric sliding rail is connected with a sliding block in a sliding way; one end of an electric telescopic rod is arranged on the sliding block; a distance sensing probe is arranged at the lower side of the other end of the electric telescopic rod; the electric telescopic rod is also provided with a sensor; the distance sensing probe is connected with the sensor through a lead; the lower end of the electric telescopic rod is connected with the top end of the supporting rod; after the landing leg is fixed, the annular electric sliding rail drives the distance sensing probe to move, and the distance between the annular electric sliding rail and the landing leg base is detected to determine whether the landing leg base is in a flat state or not, so that the operation is simple, and the labor is saved.
Description
Technical Field
The utility model relates to a hoist technical field, concretely relates to landing leg leveling device for hoist.
Background
At present, the crane needs to be leveled before working, and the levelness of the whole crane is usually adjusted by a chassis supporting leg in a manner of adjusting the height of the supporting leg; the purpose of crane leveling is to ensure that the crane can keep the whole crane horizontal under any working condition environment, so as to ensure that the crane boom is in an ideal horizontal state, and the crane boom can keep an optimal operation state during hoisting operation; however, when the crane is actually used, for some roads with complex use conditions, the bottom ends of the supporting legs are uneven when contacting the ground, and can incline to influence the normal use of the crane; under an inclined road surface, the adjustment is often carried out by using base plates with different angles; however, the operator can hardly recognize whether the bottom end of the landing leg is in a flat state by naked eyes, and therefore, the landing leg leveling device which is reasonable in design, convenient to use and capable of enabling the operator to clearly recognize the inclined state of the landing leg is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical problem, the utility model provides a landing leg leveling device for hoist, it is easy and simple to handle, the availability factor is high.
The utility model provides a technical scheme that its technical problem adopted is: a landing leg leveling device for a crane comprises a main beam and landing legs; one end of the main beam is connected with a crane body; the other end of the main beam is connected with the supporting leg; the lower sides of the supporting legs are provided with ball hinges; a supporting leg base is arranged at the lower side of the ball hinge; the support legs are provided with arc grooves; an annular electric slide rail and an auxiliary slide rail are arranged in the arc-shaped groove; the annular electric slide rail is positioned on the inner wall of the arc-shaped groove; the auxiliary slide rail is positioned on the lower side wall of the arc-shaped groove; the annular electric sliding rail is connected with a sliding block in a sliding way; one end of an electric telescopic rod is arranged on the sliding block; a distance sensing probe is arranged at the lower side of the other end of the electric telescopic rod; the electric telescopic rod is also provided with a sensor; the distance sensing probe is connected with the sensor through a lead; the lower end of the electric telescopic rod is connected with the top end of the supporting rod; the bottom end of the supporting rod is connected with an auxiliary sliding rail in a sliding manner; the specific internal circuit structures of the electric telescopic rod, the annular electric sliding rail, the distance sensing probe and the sensor belong to the prior art in the field, and are not described in detail herein.
Furthermore, a battery jar and a control button are arranged on the annular electric slide rail and the electric telescopic rod.
Furthermore, a warning lamp is arranged on the sensor.
The utility model has the advantages that: after the landing leg is fixed, the annular electric sliding rail drives the distance sensing probe to move, and the distance between the annular electric sliding rail and the landing leg base is detected to determine whether the landing leg base is in a flat state or not, so that the operation is simple, and the labor is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a in fig. 1.
Fig. 3 is a schematic structural view when the telescopic rod is retracted.
In the figure: 1. the device comprises a main beam, 2 support legs, 3 ball hinges, 4 support leg bases, 5 arc-shaped grooves, 6 auxiliary sliding rails, 7 electric telescopic rods, 8 support rods, 9 annular electric sliding rails, 10 sliding blocks, 11 distance sensing probes and 12 sensors.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the embodiment provides a landing leg leveling device for a crane, which comprises a main beam 1 and a landing leg 2; one end of the main beam 1 is connected with a crane body; the other end of the main beam 1 is connected with a supporting leg 2; the lower side of the supporting leg 2 is provided with a ball hinge 3; a supporting leg base 4 is arranged at the lower side of the ball hinge 3; the support legs 2 are provided with arc-shaped grooves 5; an annular electric slide rail 9 and an auxiliary slide rail 6 are arranged in the arc-shaped groove 5; the annular electric slide rail 9 is positioned on the inner wall of the arc-shaped groove 5; the auxiliary slide rail 6 is positioned on the lower side wall of the arc-shaped groove 5; the annular electric slide rail 9 is connected with a slide block 10 in a sliding way; one end of an electric telescopic rod 7 is arranged on the sliding block 10; a distance induction probe 11 is arranged at the lower side of the other end of the electric telescopic rod 7; when not in use, the electric telescopic rod 7 can be placed in the arc-shaped groove 5, so that the occupied space and the influence on the use of the crane are avoided; the electric telescopic rod 7 stretches outwards to drive the distance sensing probe 11 to move outwards; the distance sensing probe 11 is used for detecting the distance from the supporting leg base 4; and transmit the information to the operator; the electric telescopic rod 7 is also provided with a sensor 12; the distance sensing probe 11 is connected with the sensor 12 through a lead; a sensor 12 is arranged, the distance detected for the first time from the inductive probe 11 is a default value, and when the distance detected from the inductive probe 11 in the moving process is different, the sensor 12 receives a signal and transmits the signal to an operator; the lower end of the electric telescopic rod 7 is connected with the top end of the supporting rod 8; the bottom end of the support rod 8 is connected with an auxiliary slide rail 6 in a sliding way; the auxiliary slide rail 6 plays a role in supporting and assisting when the electric telescopic rod 7 moves; the specific internal circuit structures of the electric telescopic rod 7, the annular electric sliding rail 9, the distance sensing probe 11 and the sensor 12 belong to the prior art in the field, and are not described herein again.
The annular electric slide rail 9 and the electric telescopic rod 7 are both provided with a battery jar and a control button; the annular electric slide rail 9 is controlled by a control button.
A warning lamp is arranged on the sensor 12; when the distance sensing probe 11 detects that the distances are unequal, the sensor 12 receives a signal and informs an operator through a warning light.
The utility model discloses during the use, control button through electric telescopic handle 7 extends electric telescopic handle 7, move outwards apart from inductive probe, rethread ring-shaped electric slide rail 9's control button control slide 10's removal, open sensor 12 power, move the limit and survey below slider 10's removal apart from inductive probe 11, the distance data that detects for the first time apart from inductive probe 11 are default, the gap appears in the distance that detects at the removal in-process apart from inductive probe 11, sensor 12 will received signal and the warning light lights, then operating personnel can confirm that landing leg base 4 has the unevenness, then carry out the adjustment of backing plate or other modes.
Claims (3)
1. A landing leg leveling device for a crane comprises a main beam (1) and landing legs (2); one end of the main beam (1) is connected with a crane body; the other end of the main beam (1) is connected with the supporting leg (2); the lower side of the supporting leg (2) is provided with a ball hinge (3); a supporting leg base (4) is arranged at the lower side of the ball hinge (3); the method is characterized in that: the supporting legs (2) are provided with arc-shaped grooves (5); an annular electric slide rail (9) and an auxiliary slide rail (6) are arranged in the arc-shaped groove (5); the annular electric slide rail (9) is positioned on the inner wall of the arc-shaped groove (5); the auxiliary slide rail (6) is positioned on the lower side wall of the arc-shaped groove (5); the annular electric slide rail (9) is connected with a slide block (10) in a sliding way; one end of an electric telescopic rod (7) is arranged on the sliding block (10); a distance induction probe (11) is arranged at the lower side of the other end of the electric telescopic rod (7); a sensor (12) is also arranged on the electric telescopic rod (7); the distance sensing probe (11) is connected with the sensor (12) through a lead; the lower end of the electric telescopic rod (7) is connected with the top end of the supporting rod (8); the bottom end of the supporting rod (8) is connected with an auxiliary sliding rail (6) in a sliding way.
2. The crane leg leveling device according to claim 1, wherein: and the annular electric sliding rail (9) and the electric telescopic rod (7) are both provided with a battery jar and a control button.
3. The crane leg leveling device according to claim 1, wherein: and a warning lamp is arranged on the sensor (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020088075.0U CN211545691U (en) | 2020-01-16 | 2020-01-16 | Landing leg leveling device for crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020088075.0U CN211545691U (en) | 2020-01-16 | 2020-01-16 | Landing leg leveling device for crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211545691U true CN211545691U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020088075.0U Active CN211545691U (en) | 2020-01-16 | 2020-01-16 | Landing leg leveling device for crane |
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| Country | Link |
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| CN (1) | CN211545691U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180453A (en) * | 2022-02-17 | 2022-03-15 | 河南工学院 | Novel anti-tipping mechanism of crane |
-
2020
- 2020-01-16 CN CN202020088075.0U patent/CN211545691U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114180453A (en) * | 2022-02-17 | 2022-03-15 | 河南工学院 | Novel anti-tipping mechanism of crane |
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