CN220098370U - Landing leg device for engineering equipment and engineering equipment - Google Patents
Landing leg device for engineering equipment and engineering equipment Download PDFInfo
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- CN220098370U CN220098370U CN202320593802.2U CN202320593802U CN220098370U CN 220098370 U CN220098370 U CN 220098370U CN 202320593802 U CN202320593802 U CN 202320593802U CN 220098370 U CN220098370 U CN 220098370U
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- leg
- supporting leg
- movable
- pipe clamp
- engineering equipment
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- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000004677 Nylon Substances 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
- 229920001778 nylon Polymers 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Supports For Pipes And Cables (AREA)
Abstract
The utility model discloses a landing leg device for engineering equipment, which comprises: a leg assembly including a first leg and a second leg extending partially into the first leg; the telescopic piece comprises a fixed part fixedly connected with the first supporting leg and a telescopic rod part fixedly connected with the second supporting leg; the movable pipeline is connected with the fixed part at one end, and the other end of the movable pipeline is connected with the connecting piece in the second supporting leg; the guide mechanism comprises a guide rod and a pipe clamp assembly, wherein the guide rod is arranged in the second supporting leg, one end of the pipe clamp assembly is connected with the movable section of the movable pipeline, and the other end of the pipe clamp assembly is connected with the guide rod. The supporting leg device for the engineering equipment and the engineering equipment have simple structures, can avoid the situation that the movable pipeline inside the supporting leg device is extruded and worn, and are beneficial to improving the use reliability of the supporting leg device.
Description
Technical Field
The utility model relates to the technical field of engineering equipment, in particular to a supporting leg device for engineering equipment and the engineering equipment.
Background
Engineering equipment (such as overhead working truck or crane pump truck) is usually provided with supporting legs, pipelines (or sensors, electric wires and cables) of oil cylinders of the supporting legs are required to be arranged inside the supporting legs, when the supporting legs stretch out and draw back, the hydraulic pipelines and the electric wires and cables stretch out and draw back along with the oil cylinders, and because the structural form of the supporting legs determines that the space inside the supporting legs is limited, especially for small-tonnage vehicles, the oil cylinders and the pipelines inside the supporting legs are easy to cause abrasion due to mutual extrusion in the use process, and the pipelines are broken due to mutual pulling in severe cases, so that the maintenance cost is high when each part breaks down, and the supporting legs are required to be disassembled for maintenance due to crane or crane lifting.
In order to solve the problems, the prior art adopts the following modes: firstly, a baffle plate is arranged in the support leg to separate the pipelines, but the pipelines reciprocate along with the oil cylinders in the support leg, the baffle plate cannot be too long, namely, cannot exceed half of the movement stroke of the pipelines, otherwise, the movement of the pipelines is influenced, the pipelines need to be driven by the oil cylinders arranged in the middle, the pipelines need to cross the baffle plate, and therefore extrusion abrasion is formed between the baffle plate and the pipelines; secondly, a protective sleeve is arranged in the supporting leg to protect the pipeline, but the protective sleeve can only be arranged on a fixed pipeline part, and is not suitable for a pipeline section needing to move; thirdly, the pipeline is arranged in the drag chain, and then the drag chain moves in the support leg in a telescopic way along with the support leg, but the form is only suitable for the scene that the support leg of a vehicle (namely a large-tonnage vehicle) has a large section and enough inner space, and meanwhile, the cost is increased.
Disclosure of Invention
The utility model aims to provide a supporting leg device for engineering equipment and the engineering equipment, which have simple structures, can avoid the situation that movable pipelines in the supporting leg device are worn out in a squeezing way, and are beneficial to improving the use reliability of the supporting leg device.
In order to achieve the above object, a first aspect of the present utility model provides a leg device for construction equipment, the leg device comprising:
a leg assembly including a first leg and a second leg extending partially into the first leg;
the telescopic piece comprises a fixed part fixedly connected with the first supporting leg and a telescopic rod part fixedly connected with the second supporting leg;
the movable pipeline is connected with the fixed part at one end, and the other end of the movable pipeline is connected with the connecting piece in the second supporting leg;
the guide mechanism comprises a guide rod and a pipe clamp assembly, wherein the guide rod is arranged in the second supporting leg, one end of the pipe clamp assembly is connected with the movable section of the movable pipeline, and the other end of the pipe clamp assembly is connected with the guide rod.
In an embodiment of the utility model, the pipe clamp assembly comprises a connecting wire, a fixed clamp and a moving piece, wherein the fixed clamp and the moving piece are respectively arranged at two ends of the connecting wire, the fixed clamp is connected with the movable section, and the moving piece is movably arranged on the guide rod.
In the embodiment of the utility model, the moving part is a circular ring sleeved on the outer peripheral side of the guide rod.
In the embodiment of the utility model, the circular ring is made of nylon.
In the embodiment of the utility model, the guide rod is provided with a chute, and the moving piece is a moving wheel movably arranged in the chute.
In the embodiment of the utility model, the moving wheel is made of nylon.
In an embodiment of the utility model, the fixing clip is a ring-shaped holding clip.
In an embodiment of the utility model, the number of pipe clamp assemblies is plural, and the fixed clamps in the plurality of pipe clamp assemblies are uniformly spaced on the movable section.
In an embodiment of the utility model, the leg arrangement further comprises a stop lever arranged inside the second leg.
A second aspect of the utility model provides an engineering device comprising a leg arrangement as described above for an engineering device.
According to the technical scheme, the supporting leg device comprises a supporting leg assembly, a telescopic piece, a movable pipeline and a guide mechanism, wherein the supporting leg assembly comprises a first supporting leg and a second supporting leg, and the telescopic piece comprises a fixed part fixedly connected with the first supporting leg and a telescopic rod part fixedly connected with the second supporting leg; one end of the movable pipeline is connected with the fixed part, and the other end of the movable pipeline is connected with the connecting piece in the second supporting leg; the guide mechanism comprises a guide rod and a pipe clamp assembly, the guide rod is arranged in the second supporting leg, one end of the pipe clamp assembly is connected with the movable section of the movable pipeline, and the other end of the pipe clamp assembly is connected with the guide rod. When the second landing leg moves relative to the first landing leg, the movable pipeline moves under the traction action of the connecting piece connected with the second landing leg, the guide rod also moves, the movable section of the movable pipeline moves along a preset route under the guide action of the guide rod, extrusion abrasion is avoided, and further the reliability of the movable pipeline is improved, and the service life is prolonged.
Drawings
The accompanying drawings are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain, without limitation, the embodiments of the utility model. In the drawings:
FIG. 1 is a schematic view of a leg device according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a leg device according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a pipe clamp assembly in accordance with an embodiment of the present utility model.
Description of the reference numerals
1-a leg assembly; 101-a first leg; 102-a second leg; 1021-a first leg; 1022-a second leg; 2-telescoping members; 201-a fixing part; 202-telescoping pole section; 3-a movable pipeline; 301-an active segment; 4-a guiding mechanism; 401-a guide bar; 4011-a chute; 402-a pipe clamp assembly; 4021-a connecting wire; 4022-a retaining clip; 4023—a mover; 4044-a moving wheel mount; 5-stop lever; and 6, a frame.
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
The embodiment of the utility model provides a novel supporting leg device for engineering equipment, the engineering equipment in the embodiment can be selected as an overhead working truck or a crane, as shown in fig. 1-3, the supporting leg device comprises a supporting leg assembly 1, a telescopic piece 2, a movable pipeline 3 and a guiding mechanism 4, wherein the supporting leg assembly 1 comprises a first supporting leg 101 and a second supporting leg 102 which partially stretches into the first supporting leg 101, the first supporting leg 101 is fixedly connected with a frame 6 of the engineering equipment, the second supporting leg 102 comprises a first supporting leg 1021 and a second supporting leg 1022 which is perpendicular to the first supporting leg 1021, the first supporting leg 1021 and the second supporting leg 1022 are fixed together through welding, and part of the first supporting leg 1021 stretches into the first supporting leg 101; the telescopic member 2 includes a fixing portion 201 fixedly connected with the first supporting leg 101 and a telescopic rod portion 202 fixedly connected with the second supporting leg 102, the telescopic member 2 in this embodiment may be a telescopic cylinder, a cylinder body of the telescopic cylinder is fixed with the first supporting leg 101, a part of the cylinder body stretches into the first supporting portion 1021 of the second supporting leg 102, a telescopic rod of the telescopic cylinder is fixed with the first supporting portion 1021 of the second supporting leg 102, and when the telescopic cylinder performs telescopic operation, the second supporting leg 102 stretches out and draws back relative to the first supporting leg 101; one end of the movable pipe 3 is connected with the fixed part 201, the other end of the movable pipe 3 is connected with a connecting piece (not shown in the figure) inside the second supporting leg 102, the connecting piece is arranged in the second supporting leg 1022 of the second supporting leg 102, namely, the other end of the movable pipe 3 extends out of the first supporting leg 1021 and into the second supporting leg 1022, a channel for conveying hydraulic oil is arranged inside the movable pipe 3, and when the telescopic oil cylinder performs telescopic operation, the second supporting leg 102 moves; the guide mechanism 4 includes a guide bar 401 and a pipe clamp assembly 402, the guide bar 401 being provided inside the second leg 102 and arranged along the length direction of the first leg 1021 of the second leg 102, the guide bar 401 being further located at one side in the width direction of the expansion piece 2; one end of the pipe clamp assembly 402 is connected with the movable section 301 of the movable pipeline 3, the other end of the pipe clamp assembly 402 is connected with the guide rod 401, when the second supporting leg 102 moves relative to the first supporting leg 101, the movable pipeline 3 moves under the traction action of a connecting piece connected with the second supporting leg, the guide rod 401 also moves, the movable section 301 of the movable pipeline 3 moves along a preset route under the guide action of the guide rod 401, extrusion abrasion is avoided, further the reliability of the movable pipeline 3 is improved, the service life is prolonged, in addition, the guide mechanism 4 occupies little space, the inner space of the supporting leg device is not needed to be considered, and the production and manufacturing costs are low.
In this embodiment, the number of the movable pipelines 3 is two, the number of the guide rods 401 is also two, the two guide rods 401 are respectively located at two sides of the width direction of the telescopic member 2, the number of the pipe clamp assemblies 402 is correspondingly increased, and the movable pipelines 3 are respectively arranged at two sides of the width direction of the telescopic member 2, so that extrusion abrasion can be generated between the two movable pipelines 3. Further, the movable pipe 3 in the present embodiment may be replaced with a wire or cable or the like.
In one embodiment of the present utility model, the pipe clamp assembly 402 includes a connection wire 4021, and a fixed clip 4022 and a moving member 4023 respectively located at two ends of the connection wire 4021, where the fixed clip 4022 is connected to the movable section 301, and the moving member 4023 is movably disposed on the guide rod 401, and when the guide rod 401 moves, the guide rod 401 can drive the movable section 301 through the moving member 4023, the connection wire 4021 and the fixed clip 4022 and guide a movement track of the movable section 301, so that the movable section 301 moves along a preset route; in addition, the movable member 4023 can move relative to the guide bar 401 to further enhance the range of guiding the movable section 301.
In one embodiment of the present utility model, the moving member 4023 is a ring (not shown) sleeved on the outer peripheral side of the guide bar 401, and the moving member 4023 with such a shape can be movably disposed on the guide bar 401 to perform a guiding function on the movable section 301, and has advantages of simple shape and easy production and manufacture.
In one embodiment of the present utility model, the ring is made of nylon, and the ring made of nylon can reduce abrasion to the guide rod 401, which is beneficial to prolonging the service life of the guide rod 401.
In another embodiment of the present utility model, the guide bar 401 is provided with a chute 4011, and the moving member 4023 is a moving wheel movably disposed in the chute 4011. Specifically, as shown in fig. 3, the pipe clamp assembly 402 further includes a moving wheel mounting member 4044 disposed at an end of the connection wire 4021 remote from the fixed clip 4022, and the moving wheel is mounted on the moving wheel mounting member 4044 through a pin and can move along the chute 4011, so that a guiding effect on a movement track of the movable section 301 is achieved, and a guiding range of the movable section 301 can be further enhanced.
In one embodiment of the present utility model, the moving wheel is made of nylon, and the moving wheel made of nylon can reduce the abrasion to the chute 4011, which is beneficial to prolonging the service life of the guide rod 401.
In one embodiment of the present utility model, the fixing clip 4022 is a ring clip, and the fixing clip 4022 of this form can not only achieve the fixing connection effect on the movable section 301, but also avoid the movable pipeline 3 from being clamped and deformed, and has the advantages of simple structure and easy production and manufacture.
In one embodiment of the present utility model, the number of tube clamp assemblies 402 is multiple, and the fixed clamps 4022 in the multiple tube clamp assemblies 402 are uniformly distributed at intervals on the movable segment 301, which can increase the guided length of the movable segment 301, and can further enhance the guiding effect on the movable segment 301. Further, the spacing between adjacent tube clamps can be set according to the travel of the second leg 102, so that the movable member 4023 of each tube clamp assembly 402 can be prevented from accumulating at one end of the guide bar 401. In addition, when the number of the movable pipes 3 is two and the number of the guide rods 401 is two, the pipe clamp assemblies 402 are also two groups, and the number of each group is plural.
In an embodiment of the present utility model, the leg device further includes a stop lever 5 disposed inside the second leg 102, specifically, the stop lever is disposed at an end of the first support portion 1021 near the second support portion 1022, and the movable pipeline 3 extends out of the first support portion 1021 after passing through the outer periphery of the stop lever, so that the movable pipeline 3 is more stretched inside the leg assembly, the ductility of the movable pipeline 3 in the first support portion 1021 can be enhanced, and the situation that the movable pipeline 3 is worn out by extrusion can be further avoided.
In another embodiment of the utility model, a novel construction device is provided, which comprises the leg arrangement for construction devices according to the above embodiments.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a plurality of simple variants of the technical proposal of the utility model can be carried out, comprising that each specific technical feature is combined in any suitable way, and in order to avoid unnecessary repetition, the utility model does not need to be additionally described for various possible combinations. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A leg arrangement for an engineering device, characterized in that the leg arrangement comprises:
-a leg assembly (1) comprising a first leg (101) and a second leg (102) extending partially into said first leg (101);
the telescopic piece (2) comprises a fixed part (201) fixedly connected with the first supporting leg (101) and a telescopic rod part (202) fixedly connected with the second supporting leg (102);
the movable pipeline (3), one end of the movable pipeline (3) is connected with the fixed part (201), and the other end of the movable pipeline (3) is connected with a connecting piece in the second supporting leg (102);
the guide mechanism (4) comprises a guide rod (401) and a pipe clamp assembly (402), wherein the guide rod (401) is arranged inside the second supporting leg (102), one end of the pipe clamp assembly (402) is connected with the movable section (301) of the movable pipeline (3), and the other end of the pipe clamp assembly (402) is connected with the guide rod (401).
2. The leg arrangement for construction equipment according to claim 1, characterized in that the pipe clamp assembly (402) comprises a connecting wire (4021) and a stationary clamp (4022) and a moving member (4023) respectively located at both ends of the connecting wire (4021), the stationary clamp (4022) being connected to the movable section (301), the moving member (4023) being movably provided on the guide bar (401).
3. The leg device for construction equipment according to claim 2, wherein the moving member (4023) is a ring fitted around an outer peripheral side of the guide bar (401).
4. A leg arrangement for an engineering apparatus according to claim 3, wherein the ring is of nylon material.
5. The leg arrangement for construction equipment according to claim 2, characterized in that the guide bar (401) is provided with a chute (4011), and the moving member (4023) is a moving wheel movably arranged in the chute (4011).
6. The leg arrangement for construction equipment of claim 5, wherein the moving wheel is nylon.
7. The leg arrangement for engineering equipment according to claim 2, characterized in that the fixing clip (4022) is a ring-shaped holding clip.
8. The leg arrangement for construction equipment according to claim 1, characterized in that the number of pipe clamp assemblies (402) is plural, the stationary clamps (4022) in a plurality of pipe clamp assemblies (402) being evenly spaced over the movable section (301).
9. The leg arrangement for engineering equipment according to any one of claims 1-8, characterized in that the leg arrangement further comprises a stop lever (5) arranged inside the second leg (102).
10. Engineering equipment, characterized in that it comprises a leg arrangement according to any one of claims 1-9 for an engineering equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320593802.2U CN220098370U (en) | 2023-03-22 | 2023-03-22 | Landing leg device for engineering equipment and engineering equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320593802.2U CN220098370U (en) | 2023-03-22 | 2023-03-22 | Landing leg device for engineering equipment and engineering equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220098370U true CN220098370U (en) | 2023-11-28 |
Family
ID=88873580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320593802.2U Active CN220098370U (en) | 2023-03-22 | 2023-03-22 | Landing leg device for engineering equipment and engineering equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220098370U (en) |
-
2023
- 2023-03-22 CN CN202320593802.2U patent/CN220098370U/en active Active
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