CN214215744U - Hydraulic support leg assembly, supporting chassis and aerial ladder vehicle - Google Patents
Hydraulic support leg assembly, supporting chassis and aerial ladder vehicle Download PDFInfo
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- CN214215744U CN214215744U CN202022932744.0U CN202022932744U CN214215744U CN 214215744 U CN214215744 U CN 214215744U CN 202022932744 U CN202022932744 U CN 202022932744U CN 214215744 U CN214215744 U CN 214215744U
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Abstract
The utility model provides a hydraulic leg assembly relates to special type vehicle technical field. The hydraulic support leg assembly comprises a supporting sleeve, a right telescopic frame, a front telescopic hydraulic cylinder, a left end cover, a left telescopic frame, a rear telescopic hydraulic cylinder, a right end cover, a supporting seat, a supporting hydraulic cylinder and a supporting disc. The utility model has compact overall structure arrangement, is convenient for the assembly of the components such as the front telescopic hydraulic cylinder, the rear telescopic hydraulic cylinder and the like, and has higher production efficiency; the left telescopic frame is driven by a rear telescopic hydraulic cylinder to extend or retract relative to a rear slideway of the supporting sleeve, and the right telescopic frame is driven by a front telescopic hydraulic cylinder to extend or retract relative to a front slideway of the supporting sleeve; in the process of stretching out or retracting back the left expansion bracket and the right expansion bracket, the left expansion bracket and the right expansion bracket are in rolling contact with the supporting sleeve through balls and rollers in the vertical direction, the left expansion bracket and the right expansion bracket are prevented from being in friction collision with the supporting sleeve, and the parallelism of the left expansion bracket and the right expansion bracket and the supporting sleeve is adjusted through positioning screws at the left end and the right end in the horizontal direction.
Description
Technical Field
The utility model belongs to the technical field of the special vehicle technique and specifically relates to a hydraulic pressure landing leg assembly, supporting chassis and aerial ladder car are related to.
Background
When decoration is carried out, building materials such as cement, gravel and ceramic tiles on the ground need to be conveyed to a building, and labor cost for conveying the building materials is high and efficiency is low. If use simple and easy hoist device, need manual operation to need many people to cooperate, the cost of labor is also higher, and the operation is also more loaded down with trivial details, and efficiency is lower. Therefore, the aerial ladder vehicle can well solve the problems, the aerial ladder vehicle is parked on the ground below a building, an operator controls the extension of the vehicle-mounted aerial ladder below the building, and the aerial ladder carrying assembly rises along the vehicle-mounted aerial ladder to reach the set position for unloading. The operation is realized through the aerial ladder vehicle, only one operator is needed, the operation is simple, and the working efficiency is greatly improved. The hydraulic support leg of the prior aerial ladder vehicle is not compact in structural arrangement, is difficult to assemble and affects the production efficiency; the telescopic frame needs to be manually pushed and pulled to stretch, and the use experience is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic pressure landing leg assembly makes overall structure arrange compactly, the assembly of being convenient for, and the expansion bracket is flexible by hydraulic drive.
In order to achieve the above object, the present invention adopts the following technical solutions:
a hydraulic support leg assembly comprises a support sleeve, a right telescopic frame, a front telescopic hydraulic cylinder, a left end cover, a left telescopic frame, a rear telescopic hydraulic cylinder, a right end cover, a support seat, a support hydraulic cylinder and a support disc;
a front slideway and a rear slideway are arranged in the supporting sleeve, the front slideway and the rear slideway are arranged in parallel along the extending direction of the supporting sleeve, two ends of the front slideway are communicated, and two ends of the rear slideway are communicated;
the front slideway is internally and slidably connected with a right telescopic frame, the right telescopic frame extends out of and retracts into the right end of the front slideway, a front telescopic hydraulic cylinder is positioned in the front slideway and the right telescopic frame, one end of the front telescopic hydraulic cylinder is hinged with the left end of the front slideway, the other end of the front telescopic hydraulic cylinder is hinged with the right end of the right telescopic frame, and the left end of the front slideway is assembled with a left end cover;
the rear slideway is internally and slidably connected with a left expansion bracket, the left expansion bracket extends out of and retracts into the left end of the rear slideway, a rear expansion hydraulic cylinder is positioned in the rear slideway and the left expansion bracket, one end of the rear expansion hydraulic cylinder is hinged with the right end of the rear slideway, the other end of the rear expansion hydraulic cylinder is hinged with the left end of the left expansion bracket, and the right end of the rear slideway is assembled with a right end cover;
and the right end of the right telescopic frame and the left end of the left telescopic frame are both provided with a supporting seat, a supporting hydraulic cylinder is arranged on the supporting seat, the telescopic end of the supporting hydraulic cylinder faces downwards, and the tail end of the telescopic end of the supporting hydraulic cylinder is provided with a supporting disc.
Preferably, a first stop block is arranged at the bottom of the left end of the right telescopic frame, a first stop post is arranged at the bottom of the right end of the front slideway, and when the right telescopic frame extends out of the right end of the front slideway to the longest length, the first stop post blocks the first stop block;
the right-hand member bottom of left side expansion bracket is provided with the second dog, and the left end bottom of back slide is provided with the second bumping post, and when left expansion bracket stretches out to the longest from the left end of back slide, the second dog is blockked to the second dog.
Preferably, the first blocking column and the second blocking column are both provided as screws.
Preferably, the bottom of the right end of the front slideway is rotatably connected with at least one roller capable of contacting the right telescopic frame, and the bottom of the left end of the rear slideway is rotatably connected with at least one roller capable of contacting the left telescopic frame.
Preferably, the bottom of the right end of the front slideway is rotatably connected with two rollers, and the bottom of the left end of the rear slideway is rotatably connected with two rollers.
Preferably, the top of the right end of the front slideway is movably connected with at least one ball capable of contacting the right telescopic frame, and the top of the left end of the rear slideway is movably connected with at least one ball capable of contacting the left telescopic frame.
Preferably, the front side of the supporting sleeve is provided with positioning screws which can contact the right telescopic frame at the left end and the right end, and the rear side of the supporting sleeve is provided with positioning screws which can contact the left telescopic frame at the left end and the right end.
Preferably, the set screw is made of nylon material.
The utility model also provides a supporting chassis, set up foretell hydraulic leg assembly on the supporting chassis.
The utility model also provides an aerial ladder car sets up foretell hydraulic leg assembly on the aerial ladder car.
The utility model has the beneficial technical effects that:
the hydraulic support leg assembly has compact overall structure arrangement, is convenient for the assembly of parts such as the front telescopic hydraulic cylinder, the rear telescopic hydraulic cylinder and the like, and has higher production efficiency; the left telescopic frame is driven by a rear telescopic hydraulic cylinder to extend or retract relative to a rear slideway of the supporting sleeve, and the right telescopic frame is driven by a front telescopic hydraulic cylinder to extend or retract relative to a front slideway of the supporting sleeve; in the process of stretching out or retracting back the left expansion bracket and the right expansion bracket, the left expansion bracket and the right expansion bracket are in rolling contact with the supporting sleeve through balls and rollers in the vertical direction, the left expansion bracket and the right expansion bracket are prevented from being in friction collision with the supporting sleeve, and the parallelism of the left expansion bracket and the right expansion bracket and the supporting sleeve is adjusted through positioning screws at the left end and the right end in the horizontal direction.
Drawings
Fig. 1 is a top perspective view of a hydraulic leg assembly according to an embodiment of the present invention;
fig. 2 is a perspective side view of a hydraulic leg assembly according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. Certain embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will satisfy applicable legal requirements.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In an embodiment of the present invention, a hydraulic leg assembly is provided, please refer to fig. 1 and fig. 2.
A hydraulic support leg assembly comprises a supporting sleeve 1, a right telescopic frame 21, a front telescopic hydraulic cylinder 31, a left end cover 41, a left telescopic frame 22, a rear telescopic hydraulic cylinder 32, a right end cover 42, a supporting seat 5, a supporting hydraulic cylinder 61, a supporting disc 62 and the like.
A front slideway 11 and a rear slideway 12 are arranged in the supporting sleeve 1, the front slideway 11 and the rear slideway 12 are arranged in parallel along the extending direction of the supporting sleeve 1, two ends of the front slideway 11 are communicated, and two ends of the rear slideway 12 are communicated.
The right telescopic frame 21 is embedded into the front slideway 11, the front slideway 11 is connected with the right telescopic frame 21 in a sliding way, and the right telescopic frame 21 extends out and retracts from the right end of the front slideway 11. The front telescopic hydraulic cylinder 31 is positioned inside the front slideway 11 and the right telescopic frame 21, one end of the front telescopic hydraulic cylinder 31 is hinged with the left end of the front slideway 11, the other end of the front telescopic hydraulic cylinder 31 is hinged with the right end of the right telescopic frame 21, and the left end of the front slideway 11 is assembled with a left end cover 41 through a fastening bolt. The left expansion bracket 22 is embedded in the back slideway 12, the back slideway 12 is connected with the left expansion bracket 22 in a sliding way, and the left expansion bracket 22 extends out and retracts from the left end of the back slideway 12. The rear telescopic hydraulic cylinder 32 is positioned inside the rear slideway 12 and the left telescopic frame 22, one end of the rear telescopic hydraulic cylinder 32 is hinged with the right end of the rear slideway 12, the other end of the rear telescopic hydraulic cylinder 32 is hinged with the left end of the left telescopic frame 22, and the right end of the rear slideway 12 is assembled with a right end cover 42. In this way, the structure of the support sleeve 1, the right telescopic frame 21, the front telescopic hydraulic cylinder 31, the left telescopic frame 22 and the rear telescopic hydraulic cylinder 32 is made compact.
In this embodiment, the other end of the front telescopic hydraulic cylinder 31 is hinged to the right end of the right telescopic frame 21, the right telescopic frame 21 is embedded into the front slide rail 11, and the front telescopic hydraulic cylinder 31 is stretched, so that one end of the front telescopic hydraulic cylinder 31 is hinged to the left end of the front slide rail 11. When one end of the front telescopic hydraulic cylinder 31 is assembled with the left end of the front slideway 11, an operator inserts a tool through the left end of the front slideway 11 to complete the assembly operation, and after the assembly is completed, the left end cover 41 is assembled at the left end of the front slideway 11.
Similarly, the other end of the rear telescopic hydraulic cylinder 32 is hinged to the left end of the left telescopic frame 22, the left telescopic frame 22 is embedded into the rear slide way 12, and the rear telescopic hydraulic cylinder 32 is stretched to enable one end of the rear telescopic hydraulic cylinder 32 to be hinged to the right end of the rear slide way 12. When one end of the rear telescopic hydraulic cylinder 32 is assembled with the right end of the rear slide way 12, an operator inserts a tool through the right end of the rear slide way 12 to complete the assembly operation, and after the assembly is completed, the right end cover 42 is assembled with the right end of the rear slide way 12. Therefore, the front telescopic hydraulic cylinder 31, the rear telescopic hydraulic cylinder 32 and other components are convenient to assemble, and the production efficiency is high.
The left end bottom of right expansion bracket 21 sets up first dog 211, and the right-hand member bottom of front slide 11 sets up first bumping post 111, and when right expansion bracket 21 stretched out to the longest from the right-hand member of front slide 11, first bumping post 111 blockked first dog 211 to prevent right expansion bracket 21 to continue to stretch out. The right-hand member bottom of left telescoping rack 22 sets up second dog 221, and the left end bottom of back slideway 12 sets up second fender post 121, and left telescoping rack 22 stretches out to the longest time from the left end of back slideway 12, and second fender post 121 blocks second dog 221 to prevent left telescoping rack 22 to continue to stretch out. In this embodiment, the first retaining column 111 and the second retaining column 121 are both provided as screws, and the first retaining column 111 and the second retaining column 121 are screwed to the bottom of the support sleeve 1. The right telescopic frame 21 is embedded into the front slideway 11, the left telescopic frame 22 is embedded into the rear slideway 12, and the first retaining column 111 and the second retaining column 121 are rotated to expose and respectively block the first retaining block 211 and the second retaining block 221. The right telescopic frame 21 needs to be detached from the front chute 11, the left telescopic frame 22 needs to be detached from the rear chute 12, and the first stopper 111 and the second stopper 121 need to be hidden by rotation, so that the first stopper 211 and the second stopper 221 are not stopped.
The bottom of the right end of the front slideway 11 is rotatably connected with two rollers 7 which can contact the right telescopic frame 21, and the bottom of the left end of the rear slideway 12 is rotatably connected with two rollers 7 which can contact the left telescopic frame 22. The top of the right end of the front slideway 11 is movably connected with a ball which can contact the right telescopic frame 21, and the top of the left end of the rear slideway 12 is movably connected with a ball which can contact the left telescopic frame 22. In the process of extending or retracting the left telescopic frame 22 and the right telescopic frame 21, the left telescopic frame 22 and the right telescopic frame 21 are in rolling contact with the supporting sleeve 1 through the balls and the rollers 7 in the vertical direction, and friction and collision between the left telescopic frame 22 and the supporting sleeve 1 are avoided.
The front side of the supporting sleeve 1 is provided with a positioning screw 8 which can contact with the right telescopic frame 21 at the left end and the right end, and the rear side of the supporting sleeve 1 is provided with a positioning screw 8 which can contact with the left telescopic frame 22 at the left end and the right end. Wherein, the set screw 8 is made of nylon material. The parallelism between the left telescopic frame 22 and the right telescopic frame 21 and the supporting sleeve 1 is adjusted in the horizontal direction through the positioning screws 8 at the left end and the right end.
The right end of the right telescopic frame 21 and the left end of the left telescopic frame 22 are both provided with a supporting seat 5, a supporting hydraulic cylinder 61 is arranged on the supporting seat 5, the telescopic end of the supporting hydraulic cylinder 61 faces downwards, and the tail end of the telescopic end of the supporting hydraulic cylinder 61 is provided with a supporting disc 62. Before working, after the left expansion bracket 22 and the right expansion bracket 21 extend out of the supporting sleeve 1, the telescopic end of the supporting hydraulic cylinder 61 extends downwards, the supporting disc 62 contacts the ground, and the hydraulic support leg assembly (supporting chassis) stably supports the aerial ladder vehicle to prevent the aerial ladder vehicle from toppling. After the work is finished, the telescopic end of the supporting hydraulic cylinder 61 stretches, the supporting disc 62 is separated from the ground, the left telescopic frame 22 and the right telescopic frame 21 are retracted into the supporting sleeve 1, and the hydraulic support leg assembly (supporting chassis) is retracted so as to facilitate the running of the aerial ladder vehicle.
The embodiment of the utility model provides a still provide a supporting chassis, set up the foretell hydraulic leg assembly of this embodiment on it.
The embodiment of the utility model provides a still provide an aerial ladder car, set up the foretell hydraulic leg assembly of this embodiment on it.
Up to this point, the present embodiment has been described in detail with reference to the accompanying drawings. From the above description, those skilled in the art should clearly recognize that the present invention relates to a hydraulic leg assembly. The hydraulic support leg assembly of the utility model has compact overall structure arrangement, is convenient for the assembly of the components such as the front telescopic hydraulic cylinder 31, the rear telescopic hydraulic cylinder 32 and the like, and has higher production efficiency; the left telescopic frame 22 is driven by a rear telescopic hydraulic cylinder 32 to extend or retract relative to the rear slideway 12 of the supporting sleeve 1, and the right telescopic frame 21 is driven by a front telescopic hydraulic cylinder 31 to extend or retract relative to the front slideway 11 of the supporting sleeve 1; in the process of extending or retracting the left telescopic frame 22 and the right telescopic frame 21, the left telescopic frame 22 and the right telescopic frame 21 are in rolling contact with the supporting sleeve 1 through balls and rollers 7 in the vertical direction, the left telescopic frame 22 and the right telescopic frame 21 are prevented from being in friction collision with the supporting sleeve 1, and the parallelism of the left telescopic frame 22 and the parallelism of the right telescopic frame 21 and the supporting sleeve 1 are adjusted through the positioning screws 8 at the left end and the right end in the horizontal direction. The positioning bolt 8 is a wear member to reduce wear on the left and right telescoping frames 22, 21.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A hydraulic leg assembly, comprising: the device comprises a supporting sleeve, a right telescopic frame, a front telescopic hydraulic cylinder, a left end cover, a left telescopic frame, a rear telescopic hydraulic cylinder, a right end cover, a supporting seat, a supporting hydraulic cylinder and a supporting disc;
a front slideway and a rear slideway are arranged in the supporting sleeve, the front slideway and the rear slideway are arranged in parallel along the extending direction of the supporting sleeve, two ends of the front slideway are communicated, and two ends of the rear slideway are communicated;
the front slideway is internally and slidably connected with a right telescopic frame, the right telescopic frame extends out of and retracts into the right end of the front slideway, a front telescopic hydraulic cylinder is positioned in the front slideway and the right telescopic frame, one end of the front telescopic hydraulic cylinder is hinged with the left end of the front slideway, the other end of the front telescopic hydraulic cylinder is hinged with the right end of the right telescopic frame, and the left end of the front slideway is assembled with a left end cover;
the rear slideway is internally and slidably connected with a left expansion bracket, the left expansion bracket extends out of and retracts into the left end of the rear slideway, a rear expansion hydraulic cylinder is positioned in the rear slideway and the left expansion bracket, one end of the rear expansion hydraulic cylinder is hinged with the right end of the rear slideway, the other end of the rear expansion hydraulic cylinder is hinged with the left end of the left expansion bracket, and the right end of the rear slideway is assembled with a right end cover;
and the right end of the right telescopic frame and the left end of the left telescopic frame are both provided with a supporting seat, a supporting hydraulic cylinder is arranged on the supporting seat, the telescopic end of the supporting hydraulic cylinder faces downwards, and the tail end of the telescopic end of the supporting hydraulic cylinder is provided with a supporting disc.
2. The hydraulic leg assembly of claim 1, wherein: a first stop block is arranged at the bottom of the left end of the right telescopic frame, a first stop post is arranged at the bottom of the right end of the front slideway, and when the right telescopic frame extends out of the right end of the front slideway to the longest length, the first stop post blocks the first stop block;
the right-hand member bottom of left side expansion bracket is provided with the second dog, and the left end bottom of back slide is provided with the second bumping post, and when left expansion bracket stretches out to the longest from the left end of back slide, the second dog is blockked to the second dog.
3. The hydraulic leg assembly of claim 2, wherein: first bumping post and second bumping post all set up to the screw.
4. The hydraulic leg assembly of claim 1, wherein: the bottom of the right end of the front slideway is rotatably connected with at least one roller capable of contacting the right telescopic frame, and the bottom of the left end of the rear slideway is rotatably connected with at least one roller capable of contacting the left telescopic frame.
5. The hydraulic leg assembly of claim 4, wherein: the bottom of the right end of the front slideway is rotatably connected with two rollers, and the bottom of the left end of the rear slideway is rotatably connected with two rollers.
6. The hydraulic leg assembly of claim 4, wherein: the top of the right end of the front slideway is movably connected with at least one ball which can contact the right telescopic frame, and the top of the left end of the rear slideway is movably connected with at least one ball which can contact the left telescopic frame.
7. The hydraulic leg assembly of claim 1, wherein: the left end and the right end of the front side of the supporting sleeve are provided with positioning screws which can contact the right telescopic frame, and the left end and the right end of the rear side of the supporting sleeve are provided with positioning screws which can contact the left telescopic frame.
8. The hydraulic leg assembly of claim 7, wherein: the set screw is made of a nylon material.
9. A support chassis, characterized by: the hydraulic leg assembly of any one of claims 1 to 8 is provided on a support chassis.
10. An aerial ladder car which is characterized in that: the aerial ladder vehicle is provided with the hydraulic leg assembly of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022932744.0U CN214215744U (en) | 2020-12-07 | 2020-12-07 | Hydraulic support leg assembly, supporting chassis and aerial ladder vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022932744.0U CN214215744U (en) | 2020-12-07 | 2020-12-07 | Hydraulic support leg assembly, supporting chassis and aerial ladder vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214215744U true CN214215744U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022932744.0U Active CN214215744U (en) | 2020-12-07 | 2020-12-07 | Hydraulic support leg assembly, supporting chassis and aerial ladder vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214215744U (en) |
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2020
- 2020-12-07 CN CN202022932744.0U patent/CN214215744U/en active Active
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