CN216190583U - Automatic retracting and releasing device for folding arm crane supporting leg - Google Patents
Automatic retracting and releasing device for folding arm crane supporting leg Download PDFInfo
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- CN216190583U CN216190583U CN202122588184.6U CN202122588184U CN216190583U CN 216190583 U CN216190583 U CN 216190583U CN 202122588184 U CN202122588184 U CN 202122588184U CN 216190583 U CN216190583 U CN 216190583U
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- leg
- folding arm
- electric winch
- supporting
- bracket
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 230000002787 reinforcement Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an automatic retracting device for a folding arm hanging support leg, which comprises: a top bracket mounted on a top steel plate of the leg; the hook is arranged on the supporting leg; hoisting mechanism includes: the lifting device comprises an electric winch, a lifting rope wound on the electric winch and a lifting hook connected to the lifting rope; the electric winch is installed on the top support, and the lifting hook is used for being hooked on a hook of the supporting leg so that the supporting leg is driven by the electric winch to ascend to be in a horizontal state or descend to be in a vertical state; the bottom bracket is arranged on the bottom frame of the folding arm crane and used for supporting the supporting legs in the horizontal state. The supporting legs of the folding arm crane are automatically folded and unfolded by the electric winch, so that the risk that the supporting legs of the folding arm crane intrude into the boundary of a railway track can be avoided, the railway driving safety is guaranteed, and the labor cost can be effectively saved.
Description
Technical Field
The application relates to the technical field of hoisting auxiliary devices, in particular to an automatic retracting and releasing device for a folding arm crane supporting leg.
Background
When the construction operation is carried out within the range of the railway business line, the hoisting of materials is usually arranged outside the railway track through an automobile hanger, and the multi-track hoisting construction operation conditions are not met by utilizing the skylight point of railway transportation or the cross-line hoisting during the running interval of trains. If the folding arm crane is adopted for hoisting, the folding arm crane is usually arranged on the flat car, and the folding arm crane support legs at two sides of the flat car are required to be vertically supported by the track, so that the condition of invading into the boundary at two sides exists, the requirements of railway driving conditions are not met, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
The application aims at providing an automatic winding and unwinding devices for folding arm hangs landing leg to receive and unwind the landing leg on the bottom bracket through electric capstan, guarantee the requirement of railway driving condition.
The application provides an automatic winding and unwinding devices for rolling over arm and hanging landing leg includes:
a top bracket mounted on a top steel plate of the leg;
the hook is arranged on the supporting leg;
hoisting mechanism includes: the lifting device comprises an electric winch, a lifting rope wound on the electric winch and a lifting hook connected to the lifting rope; the electric winch is installed on the top support, the lifting hook is used for being hooked on a hook of the supporting leg, and the supporting leg is driven to ascend through the electric winch to be in a horizontal state or descend to be in a vertical state;
the bottom bracket is arranged on the bottom frame of the folding arm crane and used for supporting the supporting legs in the horizontal state.
In one embodiment, the top bracket comprises: the bottom end of the top vertical supporting piece is fixed on a top steel plate of the supporting leg, and one end of the top cross beam is connected to the top end of the top vertical supporting piece.
In one embodiment, the top mount further comprises: a top stiffener connected between the top vertical support and the top cross beam.
In one embodiment, the contact portion of the bottom bracket with the leg is configured to fit into a recess of the leg.
In one embodiment, the bottom bracket comprises: the foldable arm crane comprises a bottom cross beam and a bottom vertical beam, wherein one end of the bottom cross beam is connected to the bottom frame of the foldable arm crane, one end of the bottom vertical beam is connected to the other end of the bottom cross beam, and the concave part is arranged at the other end of the bottom vertical beam.
In one embodiment, the bottom bracket further comprises: a bottom reinforcement connected between the bottom cross beam and the bottom vertical beam.
In one embodiment, the recess is further provided with a cushion.
In one embodiment, the hoisting mechanism further comprises: and the start-stop switch is electrically connected with the electric winch and used for controlling the electric winch to start or stop.
In one embodiment, the start-stop switch is a manual push switch.
In one embodiment, the method further comprises: a flashing mounted on the top bracket for flashing the electric winch.
According to the automatic folding and unfolding device for the folding arm crane supporting leg, the supporting leg of the folding arm crane is automatically folded and unfolded by the electric winch, the risk that the supporting leg of the folding arm crane invades into a railway track boundary can be avoided, railway driving safety is guaranteed, and labor cost can be effectively saved.
Drawings
FIG. 1 is a schematic structural diagram of an automatic retraction device for a folding arm hanging leg provided by the application;
fig. 2 is a schematic structural diagram of a hoisting mechanism in the automatic retraction device for the folding arm crane support leg provided by the application.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.
Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.
The numbering of the components herein, as such, "first", "second", etc., is used merely to distinguish between the objects depicted and not to imply any order or technical meaning. The terms "connected" and "coupled" when used herein, unless otherwise indicated, include both direct and indirect connections (couplings).
The application provides an automatic winding and unwinding devices for rolling over arm and hanging landing leg adopts the automatic landing leg that rolls over the arm and hang that receive and releases of electric capstan winch, not only can avoid the landing leg that rolls over the arm and hang to invade the risk of railway station track limit, guarantees railway driving safety, can also effectively use manpower sparingly cost.
Referring to fig. 1 and 2, the automatic retraction device for a folding arm hanging leg provided by the embodiment mainly includes: top support 10, hook 20, lifting mechanism 30, and bottom bracket 40.
The top steel plate is installed on the top of the folding arm hanging leg, and the top support 10 is installed on the top steel plate 101 of the leg 100. Specifically, the top bracket 10 is made of steel and is fixed to the top steel plate 101 of the leg 100 by welding.
The hook 20 is made of steel, and the hook 20 can be fixed on the leg 100 by welding.
The hoisting mechanism 30 includes: the lifting rope comprises an electric winch 31, a lifting rope 32 and a lifting hook 33, wherein the lifting rope 32 is wound on the electric winch 31, and the lifting hook 33 is connected to the lifting rope 32. The electric winch 31 is installed on the top bracket 10, the hook 33 is used for hooking on the hook 20 of the landing leg 100, the landing leg 100 is driven to ascend through the electric winch 31 so that the ascending landing leg 100 is in a horizontal state, or the landing leg is driven to descend through the electric winch 31 so that the descending landing leg 100 is in a vertical state.
The bottom bracket 40 is mounted on the undercarriage 102 of the knuckle boom, and the bottom bracket 40 is adapted to hold the leg 100 in a horizontal position.
In this embodiment, the supporting leg 100 is mounted on the folding arm crane through a telescopic shaft 103, and the telescopic shaft 103 can drive the supporting leg 100 to extend or retract. The extended legs 100 extend outside the flatbed and rest on the ground, and the retracted legs 100 rest on the bottom bracket 40.
Specifically, in the initial state, the telescopic shaft 103 drives the leg to be in the extended state and to be supported on the ground, when the leg 100 needs to be retracted on the bottom bracket 40, the electric winch 31 operates to lower the hook 33 through the lifting rope 32 and to hook the hook 33 on the hook 20, the electric winch 31 reversely outputs power to lift the leg 100 through the lifting rope 32, and when the leg 100 is in the substantially horizontal state, the leg 100 is driven to move on the bottom bracket 40 and to be lowered to the bottom bracket 40 by the movement of the telescopic shaft 103, and the leg 100 is supported by the bottom bracket 40. When it is desired that the leg 100 be in a support state, the reverse action is performed.
Referring to fig. 1, the top bracket 10 includes: the bottom end of the top vertical support 11 is fixed on a top steel plate 101 of the supporting leg 100, one end of the top beam 12 is connected to the top end of the top vertical support 11, and the electric winch 31 is fixed at the other end of the top beam 12.
In this embodiment, the top bracket 10 further includes: a top stiffener connected between the top vertical supports 11 and the top cross beam 12 to reinforce the strength of the top bracket 10.
In one embodiment, the portion of the bottom bracket 40 that contacts the leg 10 is configured to fit into a recess in the leg 100 to stabilize the prop leg 100.
With continued reference to FIG. 1, the bottom bracket 40 includes: the bottom cross beam 41 and the bottom vertical beam 42, one end of the bottom cross beam 41 is connected to the base frame 102 of the folding arm crane, one end of the bottom vertical beam 42 is connected to the other end of the bottom cross beam 41, and the concave part is arranged at the other end of the bottom vertical beam 42.
In this embodiment, the bottom bracket 40 further includes: a bottom reinforcement connected between the bottom cross beam 41 and the bottom vertical beam 42 to reinforce the strength of the bottom bracket 40.
In an embodiment, the recess is further provided with a cushion pad to cushion the weight of the leg 100.
In this embodiment, the hoisting mechanism 30 further includes: and the start-stop switch is electrically connected with the electric winch 31 and is used for controlling the electric winch 31 to start or stop.
In some embodiments, the start-stop switch is a manual push switch.
The automatic retraction device for the folding arm hanging support leg provided by the embodiment further comprises: and the rain shielding plate is arranged on the top support 10 and used for shielding rain of the electric capstan 31, so that the electric capstan is prevented from generating short-circuit safety accidents, and the use safety of the equipment is improved.
In conclusion, the automatic retraction device for the folding arm crane supporting leg provided by the application adopts the electric winch to automatically retract the folding arm crane supporting leg, so that the risk that the folding arm crane supporting leg invades into the boundary of a railway station track can be avoided, the railway driving safety is ensured, and the labor cost can be effectively saved.
The foregoing is a more detailed description of the present application in connection with specific embodiments thereof, and it is not intended that the present application be limited to the specific embodiments thereof. It will be apparent to those skilled in the art from this disclosure that many more simple derivations or substitutions can be made without departing from the inventive concepts herein.
Claims (10)
1. An automatic retraction device for a folding arm hanging support leg is characterized by comprising:
a top bracket mounted on a top steel plate of the leg;
the hook is arranged on the supporting leg;
hoisting mechanism includes: the lifting device comprises an electric winch, a lifting rope wound on the electric winch and a lifting hook connected to the lifting rope; the electric winch is installed on the top support, the lifting hook is used for being hooked on a hook of the supporting leg, and the supporting leg is driven to ascend through the electric winch to be in a horizontal state or descend to be in a vertical state;
the bottom bracket is arranged on the bottom frame of the folding arm crane and used for supporting the supporting legs in the horizontal state.
2. The automatic retraction device for a folding arm boom leg according to claim 1, wherein said top bracket comprises: the bottom end of the top vertical supporting piece is fixed on a top steel plate of the supporting leg, and one end of the top cross beam is connected to the top end of the top vertical supporting piece.
3. The automatic retracting device for a folding arm boom leg of claim 2, wherein said top bracket further comprises: a top stiffener connected between the top vertical support and the top cross beam.
4. The automatic retracting and releasing device for a leg of a folding arm crane according to claim 1, wherein the portion of the bottom bracket contacting the leg is configured to fit in a recess of the leg.
5. The automatic retraction device for a folding arm boom leg according to claim 4, wherein said bottom bracket comprises: the foldable arm crane comprises a bottom cross beam and a bottom vertical beam, wherein one end of the bottom cross beam is connected to the bottom frame of the foldable arm crane, one end of the bottom vertical beam is connected to the other end of the bottom cross beam, and the concave part is arranged at the other end of the bottom vertical beam.
6. The automatic retracting device for a folding arm boom leg of claim 5, wherein said bottom bracket further comprises: a bottom reinforcement connected between the bottom cross beam and the bottom vertical beam.
7. The automated retraction device for a folding arm boom leg according to claim 4, characterized in that said recess is further provided with a cushion.
8. The automatic retracting and releasing device for a folding arm crane leg according to claim 1, wherein the lifting mechanism further comprises: and the start-stop switch is electrically connected with the electric winch and used for controlling the electric winch to start or stop.
9. The automatic retraction device for a folding arm boom leg according to claim 8, characterized in that said on-off switch is a manual push switch.
10. The automatic retraction device for a folding arm boom leg according to claim 1, further comprising: a flashing mounted on the top bracket for flashing the electric winch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122588184.6U CN216190583U (en) | 2021-10-26 | 2021-10-26 | Automatic retracting and releasing device for folding arm crane supporting leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122588184.6U CN216190583U (en) | 2021-10-26 | 2021-10-26 | Automatic retracting and releasing device for folding arm crane supporting leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216190583U true CN216190583U (en) | 2022-04-05 |
Family
ID=80890755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122588184.6U Active CN216190583U (en) | 2021-10-26 | 2021-10-26 | Automatic retracting and releasing device for folding arm crane supporting leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216190583U (en) |
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2021
- 2021-10-26 CN CN202122588184.6U patent/CN216190583U/en active Active
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