CN214570315U - Multi-stage adjusting device for height of chassis of crane - Google Patents
Multi-stage adjusting device for height of chassis of crane Download PDFInfo
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- CN214570315U CN214570315U CN202120900679.5U CN202120900679U CN214570315U CN 214570315 U CN214570315 U CN 214570315U CN 202120900679 U CN202120900679 U CN 202120900679U CN 214570315 U CN214570315 U CN 214570315U
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- lifting plate
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Abstract
The utility model discloses a high multistage adjusting device in hoist chassis, include: the cantilever is arranged on two sides of the crane chassis, the landing leg assemblies are respectively arranged on the cantilever and respectively comprise an oil cylinder, a lifting plate, a screw rod and foot cups, the oil cylinder is vertically arranged on the cantilever and points downwards, the lifting plate is horizontally arranged at the bottom of the oil cylinder, the screw rod is vertically arranged on the lifting plate, screw sleeves corresponding to the screw rod are arranged on the lifting plate, and the foot cups are respectively arranged at the bottom of the screw rod. In this way, hoist chassis height multi-stage adjustment device, it is good to the adaptability of place planarization, realized the multi-stage control of hoist chassis height, promoted the adaptability to goods height and hoist and mount height.
Description
Technical Field
The utility model relates to a hoist technical field especially relates to a high multistage adjusting device in hoist chassis.
Background
The wheel crane is flexible in movement and wide in application. The tire of the wheel crane is easy to shake when stressed, the bearing capacity is low, and the wheel crane is generally provided with the supporting legs for improving the stability during working, so that the supporting legs are in contact with the ground, the stress of the tire is avoided, and the lifting capacity is ensured.
The existing supporting legs are mostly driven manually or hydraulically, the stability of the chassis of the crane can be improved, and the height of the chassis cannot be adjusted. In addition, the hoisting height of the crane for goods completely depends on the maximum position height of the crane boom, and when the hoisting height of the crane for goods is higher than the maximum position height of the crane boom in the face of ultra-high goods or goods, the goods cannot be hoisted, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a high multistage adjusting device in hoist chassis, carries out the altitude mixture control and the support on chassis, promotes the adaptability to the goods height and hoist and mount height.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a hoist chassis height multi-stage adjustment device, includes: the cantilever is arranged on two sides of the crane chassis, the landing leg assemblies are respectively arranged on the cantilever and respectively comprise an oil cylinder, a lifting plate, a screw rod and foot cups, the oil cylinder is vertically arranged on the cantilever and points downwards, the lifting plate is horizontally arranged at the bottom of the oil cylinder, the screw rod is vertically arranged on the lifting plate, screw sleeves corresponding to the screw rod are arranged on the lifting plate, and the foot cups are respectively arranged at the bottom of the screw rod.
In a preferred embodiment of the present invention, the oil cylinder is a multi-stage oil cylinder.
In a preferred embodiment of the present invention, a guide rod is disposed at the top of the screw rod and extends upward through the cantilever, and a guide sleeve corresponding to the guide rod is disposed on the cantilever.
In a preferred embodiment of the present invention, the guide bar is provided with a square block.
In a preferred embodiment of the present invention, the square block is transversely provided with a through hole.
In a preferred embodiment of the present invention, the number of the screw sleeves on the lifting plate is 2, and the screw sleeves are symmetrically distributed on two sides of the oil cylinder.
In a preferred embodiment of the invention, the cantilever is hinged on both sides of the crane chassis.
The utility model has the advantages that: the utility model provides a high multistage adjusting device in hoist chassis, can carry out the decline of lifter plate through the hydro-cylinder, utilize foot cup and ground contact to carry out the support on hoist chassis, stability when promoting the jack-up, and utilize the continuation decline of lifter plate to carry out the altitude mixture control on hoist chassis, and carry out the rotation regulation of screw rod as required before the jack-up, further promote the height on hoist chassis, adaptability to place planarization is good, the multistage adjustment of hoist chassis height has been realized, the adaptability to goods height and hoist and mount height has been promoted, application scope is more extensive.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and 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 without inventive work, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of a multi-stage adjusting device for the height of a crane chassis according to the present invention;
fig. 2 is a partially enlarged view of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in 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 to 2, an embodiment of the present invention includes:
the multi-stage adjusting device for the height of the chassis of the crane shown in figure 1 comprises: the crane comprises a crane chassis 1, a cantilever 2 and a supporting leg assembly, wherein the crane chassis 1 adopts a wheel type chassis and is flexible to move. Cantilever 2 sets up in crane chassis 1's both sides, and in this embodiment, cantilever 2 articulates in crane chassis 1's both sides, conveniently carries out the horizontal rotation and accomodates, width when reducing the transportation, cantilever 2 of respectively installing around 1 both sides of crane chassis respectively, 4 total cantilevers 2.
Landing leg subassembly sets up respectively on cantilever 2, and in this embodiment, landing leg subassembly includes hydro-cylinder 9, lifter plate 3, screw rod 6 and foot cup 4 respectively, and the vertical setting of hydro-cylinder 9 points to the below on cantilever 2, and the lifter plate 3 level sets up in the bottom of hydro-cylinder 9, and in this embodiment, hydro-cylinder 9 adopts multistage hydro-cylinder, and at least 2 levels are flexible, have promoted the lift stroke of lifter plate 3.
The screw 6 is vertically arranged on the lifting plate 3, the screw sleeve 5 corresponding to the screw 4 is arranged on the lifting plate 3, and the screw sleeve 5 is welded on the lifting plate 3, so that the structure is firm. In this embodiment, the number of the threaded sleeves 5 on each lifting plate 3 is 2, and the threaded sleeves are symmetrically distributed on two sides of the oil cylinder 9, and can be axially adjusted through the rotation of the screw rod 4.
As shown in figure 1, the foot cup 4 sets up respectively in the bottom of screw rod 4, carries out the decline of lifter plate 3 through hydro-cylinder 9 for foot cup 4 contacts with ground, has promoted crane chassis 1's stability, and two foot cups 4 can carry out altitude mixture control alone through screw rod 4 moreover, and is good to the adaptability of place planarization. In addition, after the foot cup 4 is contacted with the ground, the oil cylinder 9 can continue to extend, and the height of the crane chassis 1 is increased.
In this embodiment, the top of the screw 6 is provided with a guide rod 8 which penetrates the cantilever 2 upwards, and the screw 6 and the guide rod 8 are of an integrated structure and have high strength. The cantilever 2 is provided with a guide sleeve 7 corresponding to the guide rod 8, so that the structural stability of the screw 4 and the lifting plate 3 is improved, and the inclination of the lifting plate 3 is avoided.
Be provided with the square 10 on the guide bar 8, can adopt the spanner to carry out the rotation of guide bar 8, in addition, transversely be provided with through-hole 11 on the square 10, can insert the crow bar and carry out the rotation of guide bar 8 and screw rod 6, change the position height of foot cup 4, can further promote the height of crane chassis 1.
To sum up, the utility model discloses a high multistage adjusting device in hoist chassis, the lift on hoist chassis is nimble, and the stroke is big, has promoted the adaptability to the goods height and hoist and mount height, structural stability moreover, and the operating safety is high.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the present invention, or directly or indirectly applied to other related technical fields, and all included in the same way in the protection scope of the present invention.
Claims (7)
1. A multi-stage adjusting device for the height of a chassis of a crane is characterized by comprising: the cantilever is arranged on two sides of the crane chassis, the landing leg assemblies are respectively arranged on the cantilever and respectively comprise an oil cylinder, a lifting plate, a screw rod and foot cups, the oil cylinder is vertically arranged on the cantilever and points downwards, the lifting plate is horizontally arranged at the bottom of the oil cylinder, the screw rod is vertically arranged on the lifting plate, screw sleeves corresponding to the screw rod are arranged on the lifting plate, and the foot cups are respectively arranged at the bottom of the screw rod.
2. The multi-stage adjustment device for the height of the crane chassis as claimed in claim 1, wherein the oil cylinder is a multi-stage oil cylinder.
3. The multi-stage adjustment device for the height of the crane chassis as claimed in claim 1, wherein a guide rod extending upwards through the cantilever is arranged at the top of the screw rod, and a guide sleeve corresponding to the guide rod is arranged on the cantilever.
4. The multi-stage adjustment device for the height of the crane chassis as claimed in claim 3, wherein the guide bar is provided with a square block.
5. The multi-stage adjustment device for the height of the chassis of the crane as claimed in claim 4, wherein the square block is transversely provided with a through hole.
6. The multi-stage adjustment device for the height of the crane chassis as claimed in claim 1, wherein the number of the thread sleeves on the lifting plate is 2, and the thread sleeves are symmetrically distributed on two sides of the oil cylinder.
7. The multi-stage adjustment device for the height of a crane undercarriage according to claim 1, wherein the jib is hinged on both sides of the crane undercarriage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120900679.5U CN214570315U (en) | 2021-04-29 | 2021-04-29 | Multi-stage adjusting device for height of chassis of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120900679.5U CN214570315U (en) | 2021-04-29 | 2021-04-29 | Multi-stage adjusting device for height of chassis of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214570315U true CN214570315U (en) | 2021-11-02 |
Family
ID=78361717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120900679.5U Active CN214570315U (en) | 2021-04-29 | 2021-04-29 | Multi-stage adjusting device for height of chassis of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214570315U (en) |
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2021
- 2021-04-29 CN CN202120900679.5U patent/CN214570315U/en active Active
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