CN219637735U - Special swing leg for movable parking apron - Google Patents
Special swing leg for movable parking apron Download PDFInfo
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- CN219637735U CN219637735U CN202321342466.0U CN202321342466U CN219637735U CN 219637735 U CN219637735 U CN 219637735U CN 202321342466 U CN202321342466 U CN 202321342466U CN 219637735 U CN219637735 U CN 219637735U
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- swing leg
- leg
- supporting plate
- lifting
- lower swing
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- 230000005540 biological transmission Effects 0.000 claims description 24
- 238000002347 injection Methods 0.000 abstract description 17
- 239000007924 injection Substances 0.000 abstract description 17
- 239000002689 soil Substances 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 51
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a special swing leg for a mobile parking apron, and belongs to the technical field of supporting legs. The lifting device comprises an upper swing leg, wherein a lifting rod is arranged in the upper swing leg, the top end of the lifting rod is fixedly connected with a lifting piston, an oil way structure capable of driving the lifting piston to act is further arranged in the upper swing leg, and the bottom end of the lifting rod penetrates through the upper swing leg and is fixedly connected with a lower swing leg. Oil injection in the upper swing leg through the oil circuit structure can drive the lifting rod to lift along the vertical direction through the lifting piston, and the action of the lifting rod can drive the lower swing leg to lift so as to support when the parking apron is unfolded, and the movable supporting plate structure on the supporting seat at the bottom of the lower swing leg can increase the contact area of the supporting seat and the ground when being used in a region with soft soil texture, so that the swing leg is prevented from sinking, and the supporting plate driving mechanism can drive the movable supporting plate to automatically unfold when the parking apron is unfolded and drive the movable supporting plate to retract when the parking apron is transported.
Description
Technical Field
The utility model belongs to the technical field of supporting legs, and relates to a special swing leg for a mobile parking apron.
Background
The movable parking apron can be used in places with soft soil such as mountain lands, the movable parking apron is generally supported by using swing legs, but when the movable parking apron is used in places with soft soil, the swing legs are easy to sink into soil, and the parking apron can incline or shake when a helicopter falls.
In order to overcome the defects of the prior art, people have continuously explored and put forward various solutions, such as chinese patent discloses a supporting leg for vehicle [ application number: 20110105070. X ], including the supporting legs, realize the lift running gear and the limit control device of control supporting legs lift range that the supporting legs goes up and down, lift running gear including fixed the lead screw mother that sets up on the supporting legs, constitute screw-thread fit's lead screw and motor with the lead screw mother, its characterized in that: the limit control device comprises two travel switches and a rotating wheel with a shifting block, and the rotating wheel with the shifting block and an output shaft of a motor are driven by a gear set or a chain, but the limit control device also has the problems.
Disclosure of Invention
The utility model aims to solve the problems and provide a special swing leg for a mobile apron.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the special swing leg of the movable parking apron comprises an upper swing leg, wherein a lifting rod is arranged in the upper swing leg, a lifting piston is fixedly connected to the top end of the lifting rod, an oil path structure capable of driving the lifting piston to act is further arranged in the upper swing leg, the bottom end of the lifting rod penetrates through the upper swing leg and is fixedly connected with a lower swing leg, the bottom of the lower swing leg is fixedly connected with a supporting seat through a connecting rod, a movable supporting plate structure for increasing the bearing area of the supporting seat is further arranged on the supporting seat, and a supporting plate driving mechanism for driving the movable supporting plate structure to retract or expand is further arranged on the lower swing leg.
In the above-mentioned special swing leg for mobile apron, the movable supporting plate structure comprises four or six supporting plates arranged along the circumferential direction of the supporting seat, and the supporting plates are hinged with the supporting seat.
In the special swing leg of the movable parking apron, the side part of the supporting seat is provided with the connecting groove which is correspondingly arranged with the supporting plate, and the connecting groove is rotationally connected with the connecting block fixed at the inner end of the supporting plate through the rotating shaft.
In the special swing leg of the movable parking apron, the section of the supporting plate is fan-shaped, and the plurality of supporting plates are combined to form a ring shape.
In the special swing leg of the mobile parking apron, the supporting plate driving mechanism comprises a power assembly and a plurality of transmission assemblies which are arranged corresponding to the supporting plate, the lower swing leg comprises a lower swing leg and a second lower swing leg, the first lower swing leg and the second lower swing leg are detachably connected through a detachable structure, the power assembly is arranged in a cavity formed by combining the first lower swing leg and the second lower swing leg, and the transmission assemblies are circumferentially arranged on the second lower swing leg.
In the special swing leg of the mobile parking apron, the transmission assembly comprises a lifting sliding groove vertically arranged on the second lower swing leg, a vertical screw rod is arranged in the lifting sliding groove, the top end of the vertical screw rod is inserted into the cavity and connected with the power assembly, a lifting sliding block in threaded connection with the vertical screw rod is further connected in a sliding manner in the lifting sliding groove, a transmission rod is hinged to the lifting sliding block, and the other end of the transmission rod is hinged to the upper end of the supporting plate.
In the special swing leg of the movable parking apron, the top of the cavity is fixedly connected with the circumferential driver, the end part of the output shaft of the circumferential driver is fixedly connected with the first gear, and the top of the vertical screw rod is fixedly connected with the second gear meshed with the first gear.
In the special swing leg of the mobile parking apron, the detachable structure comprises an upper connecting ring fixed at the lower end of the first lower swing leg and a lower connecting ring fixed at the upper end of the second lower swing leg, and the upper connecting ring and the lower connecting ring are fixed through a plurality of bolts.
In the special swing leg of the movable parking apron, the oil circuit structure comprises an oil pressure cavity arranged in the upper swing leg, the upper side and the lower side of the oil pressure cavity are respectively provided with an oil injection hole, the two oil injection holes are positioned on two sides of the lifting piston, and annular limiting blocks used for keeping the two oil injection holes positioned on two sides of the lifting piston are further arranged on the upper side and the lower side of the oil pressure cavity.
In the special swing leg of the movable parking apron, the upper side of the upper swing leg is fixedly connected with the mounting plate.
Compared with the prior art, the utility model has the advantages that:
1. oil injection in the upper swing leg through the oil circuit structure can drive the lifting rod to lift along the vertical direction through the lifting piston, and the action of the lifting rod can drive the lower swing leg to lift so as to support when the parking apron is unfolded, and the movable supporting plate structure on the supporting seat at the bottom of the lower swing leg can increase the contact area of the supporting seat and the ground when being used in a region with soft soil texture, so that the swing leg is prevented from sinking, and the supporting plate driving mechanism can drive the movable supporting plate to automatically unfold when the parking apron is unfolded and drive the movable supporting plate to retract when the parking apron is transported.
2. The contact area between the supporting seat and the ground can be obviously increased after the four or six supporting plates are unfolded, so that the supporting seat is prevented from sinking, and the movable supporting plate structure occupies a small area when the movable supporting plate structure is retracted when not used.
3. The power component can drive a plurality of backup pads to act through a plurality of transmission components, and the lower swing leg forms through a lower swing leg and No. two lower swing legs combination and can be convenient for install the power component in the cavity, and detachable construction can be convenient for a upper swing leg and No. two upper swing legs installation or dismantlement.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the present utility model in its retracted configuration;
FIG. 2 is a schematic view of the structure of the utility model when deployed;
fig. 3 is a schematic structural view of the movable supporting plate structure.
In the figure, an upper swing leg 1, a lifting rod 2, a lifting piston 3, an oil path structure 4, a lower swing leg 5, a connecting rod 6, a supporting seat 7, a movable supporting plate structure 8, a supporting plate driving mechanism 9, a supporting plate 10, a connecting groove 11, a connecting block 12, a power component 13, a transmission component 14, a first lower swing leg 15, a second lower swing leg 16, a detachable structure 17, a cavity 18, a lifting chute 19, a vertical screw 20, a lifting slide block 21, a circumferential driver 22, a first gear 23, a second gear 24, an upper connecting ring 25, a lower connecting ring 26, an oil pressure cavity 27, an oil filling hole 28, an annular limiting block 29, a mounting plate 30 and a transmission rod 31.
Detailed Description
As shown in fig. 1-3, a special swing leg for a mobile parking apron comprises an upper swing leg 1, wherein a lifting rod 2 is arranged in the upper swing leg 1, the top end of the lifting rod 2 is fixedly connected with a lifting piston 3, an oil path structure 4 capable of driving the lifting piston 3 to act is further arranged in the upper swing leg 1, the bottom end of the lifting rod 2 penetrates through the upper swing leg 1 and is fixedly connected with a lower swing leg 5, the bottom of the lower swing leg 5 is fixedly connected with a supporting seat 7 through a connecting rod 6, a movable supporting plate structure 8 for increasing the bearing area of the supporting seat 7 is further arranged on the supporting seat 7, and a supporting plate driving mechanism 9 for driving the movable supporting plate structure 8 to retract or expand is further arranged on the lower swing leg 5.
In this embodiment, upward oiling in the pendulum leg through the oil circuit structure can go up and down along vertical direction through lifting piston drive lifter, thereby the lifter action can drive the pendulum leg and go up and down and support when the air apron is expanded, the movable supporting plate structure on the supporting seat of pendulum leg bottom can increase the area of contact of supporting seat and ground when the region that the soil texture is soft is used, thereby prevent that the pendulum leg from sinking, backup pad actuating mechanism can drive movable backup pad automatic expansion when the air apron is expanded, and drive movable backup pad to retract when the air apron transportation.
Specifically, as shown in fig. 1-3, the movable supporting plate structure 8 includes four or six supporting plates 10 circumferentially arranged along the supporting seat 7, and the supporting plates 10 are hinged to the supporting seat 7. The contact area between the supporting seat and the ground can be obviously increased after the four or six supporting plates are unfolded, so that the supporting seat is prevented from sinking, and the movable supporting plate structure occupies a small area when the movable supporting plate structure is retracted when not used.
Specifically, as shown in fig. 1-3, the side of the supporting seat 7 is provided with a connecting groove 11 corresponding to the supporting plate 10, and the connecting groove 11 is rotatably connected with a connecting block 12 fixed at the inner end of the supporting plate 10 through a rotating shaft.
Preferably, the support plate 10 has a sector-shaped cross section and several support plates 10 are combined in a ring shape.
Specifically, referring to fig. 1 and 2, the supporting plate driving mechanism 9 includes a power assembly 13 and a plurality of transmission assemblies 14 corresponding to the supporting plate 10, the lower swing leg 5 includes a lower swing leg 15 and a second lower swing leg 16, the first lower swing leg 15 and the second lower swing leg 16 are detachably connected through a detachable structure 17, the power assembly 13 is disposed in a cavity 18 formed by combining the first lower swing leg 15 and the second lower swing leg 16, and the plurality of transmission assemblies 14 are circumferentially disposed on the second lower swing leg 16. The power component can drive a plurality of backup pads to act through a plurality of transmission components, and the lower swing leg forms through a lower swing leg and No. two lower swing legs combination and can be convenient for install the power component in the cavity, and detachable construction can be convenient for a upper swing leg and No. two upper swing legs installation or dismantlement.
Specifically, the transmission assembly 14 includes a lifting chute 19 vertically disposed on the second lower swing leg 16, a vertical screw rod 20 is disposed in the lifting chute 19, the top end of the vertical screw rod 20 is inserted into the cavity 18 and connected with the power assembly 13, a lifting sliding block 21 screwed with the vertical screw rod 20 is slidably connected in the lifting chute 19, a transmission rod 31 is hinged on the lifting sliding block 21, and the other end of the transmission rod 31 is hinged with the upper end of the supporting plate 10. The vertical screw rod rotates and can drive the lifting slide block to slide in the lifting slide groove, the lifting slide groove can limit the lifting slide block, and the lifting slide block can drive the supporting plate to expand or retract through the transmission rod.
Specifically, the top of the cavity 18 is fixedly connected with a circumferential driver 22, the end part of an output shaft of the circumferential driver 22 is fixedly connected with a first gear 23, and the top of the vertical screw 20 is fixedly connected with a second gear 24 meshed with the first gear 23. The circumferential driver can drive the first gear to rotate, the first gear can drive the second gear to rotate, and the second gear can drive the vertical screw to rotate.
It will be appreciated by those skilled in the art that the circumferential drive may be a rotary cylinder or motor or the like.
Specifically, the detachable structure 17 includes an upper connecting ring 25 fixed to the lower end of the first lower swing leg 15 and a lower connecting ring 26 fixed to the upper end of the second lower swing leg 16, and the upper connecting ring 25 and the lower connecting ring 26 are fixed by a plurality of bolts.
Specifically, as shown in fig. 1 and 2, the oil path structure 4 includes an oil pressure chamber 27 disposed in the upper swing leg 1, the upper and lower sides of the oil pressure chamber 27 are respectively provided with an oil injection hole 28, the two oil injection holes 28 are located at two sides of the lifting piston 3, and the upper and lower sides of the oil pressure chamber 27 are further provided with annular limiting blocks 29 for keeping the two oil injection holes 28 located at two sides of the lifting piston 3. The oil injection hole at the upper side injects oil into the oil pressure cavity at the upper side of the lifting piston, hydraulic oil in the oil pressure cavity at the lower side of the lifting piston can outwards withdraw oil through the oil injection hole at the lower side and can drive the lifting rod to descend through the lifting piston, the oil injection hole at the lower side injects oil into the oil pressure cavity at the lower side of the lifting piston, and the hydraulic oil in the oil pressure cavity at the upper side of the lifting piston can outwards withdraw oil through the oil injection hole at the upper side and can drive the lifting rod to ascend through the lifting piston.
Specifically, as shown in fig. 1 and 2, the upper side of the upper swing leg 1 is also fixedly connected with a mounting plate 30. The upper swing leg is fixed on the parking apron through a mounting plate.
The working principle of the utility model is as follows: the oil way structure is used for injecting oil into the upper swing legs, the lifting rod can be driven by the lifting piston to lift along the vertical direction, the lifting rod can drive the lower swing legs to lift so as to support the lower swing legs when the parking apron is unfolded, the movable supporting plate structure on the supporting seat at the bottom of the lower swing legs can increase the contact area between the supporting seat and the ground when used in a region with soft soil texture, so that the swing legs are prevented from sinking, the supporting plate driving mechanism can drive the movable supporting plate to automatically unfold when the parking apron is unfolded, and drive the movable supporting plate to retract when the parking apron is transported;
the four or six supporting plates can be obviously increased after being unfolded, so that the contact area between the supporting seat and the ground is prevented from sinking, the supporting seat can be retracted when not in use, so that the occupied area of a movable supporting plate structure during transportation is reduced, the power assembly can drive the plurality of supporting plates to act through the plurality of transmission assemblies, the lower swing legs can be conveniently installed in the cavity through the combination of the first lower swing legs and the second lower swing legs, the detachable structure can be convenient for installing or detaching the first upper swing legs and the second upper swing legs, the vertical screw rod rotation can drive the lifting sliding block to slide in the lifting sliding groove, the lifting sliding groove can limit the lifting sliding block, the lifting sliding block can drive the supporting plate to be unfolded or retracted through the transmission rod, the circumferential driver can drive the first gear to rotate, the second gear can be driven to rotate through the rotation of the first gear, and the vertical screw rod can be driven to rotate through the rotation of the second gear;
the oil injection hole on the upper side injects oil into the oil pressure cavity on the upper side of the lifting piston, hydraulic oil in the oil pressure cavity on the lower side of the lifting piston can outwards withdraw oil through the oil injection hole on the lower side, the lifting piston can be driven to descend through the lifting piston, the oil injection hole on the lower side injects oil into the oil pressure cavity on the lower side of the lifting piston, the hydraulic oil in the oil pressure cavity on the upper side of the lifting piston can outwards withdraw oil through the oil injection hole on the upper side, the lifting piston can be driven to ascend through the lifting piston, and the upper swing leg is fixed on the parking apron through the mounting plate.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the upper swing leg 1, the lifting rod 2, the lifting piston 3, the oil path structure 4, the lower swing leg 5, the connecting rod 6, the supporting seat 7, the movable supporting plate structure 8, the supporting plate driving mechanism 9, the supporting plate 10, the connecting groove 11, the connecting block 12, the power assembly 13, the transmission assembly 14, the first lower swing leg 15, the second lower swing leg 16, the detachable structure 17, the cavity 18, the lifting chute 19, the vertical screw 20, the lifting slider 21, the circumferential driver 22, the first gear 23, the second gear 24, the upper connecting ring 25, the lower connecting ring 26, the oil pressure cavity 27, the oil injection hole 28, the annular stopper 29, the mounting plate 30, the transmission rod 31, and the like are used herein for convenience only to describe and explain the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a special pendulum leg of mobile apron, includes pendulum leg (1), its characterized in that, upper pendulum leg (1) in be equipped with lifter (2), lifter (2) top link firmly lift piston (3), upper pendulum leg (1) in still be equipped with oil circuit structure (4) that can drive lift piston (3) action, lifter (2) bottom pass through upper pendulum leg (1) and link firmly lower pendulum leg (5), lower pendulum leg (5) bottom link firmly supporting seat (7) through connecting rod (6), supporting seat (7) on still be equipped with movable supporting plate structure (8) that are used for increasing the area of supporting seat (7), lower pendulum leg (5) on still be equipped with backup pad actuating mechanism (9) that are used for driving movable supporting plate structure (8) to retract or expand.
2. A special swing leg for a mobile apron according to claim 1, characterized in that the movable supporting plate structure (8) comprises four or six supporting plates (10) arranged circumferentially along the supporting seat (7), the supporting plates (10) being hinged to the supporting seat (7).
3. The special swing leg of the mobile apron according to claim 2, wherein the side part of the supporting seat (7) is provided with a connecting groove (11) which is arranged corresponding to the supporting plate (10), and the connecting groove (11) is rotationally connected with a connecting block (12) fixed at the inner end of the supporting plate (10) through a rotating shaft.
4. A dedicated leg for a mobile apron according to claim 2, characterized in that the cross section of the support plate (10) is sector-shaped and the combination of several support plates (10) is ring-shaped.
5. A special swing leg for a mobile apron according to claim 2, 3 or 4, characterized in that the supporting plate driving mechanism (9) comprises a power component (13) and a plurality of transmission components (14) which are arranged corresponding to the supporting plate (10), the lower swing leg (5) comprises a lower swing leg (15) and a second lower swing leg (16), the first lower swing leg (15) and the second lower swing leg (16) are detachably connected through a detachable structure (17), the power component (13) is arranged in a cavity (18) formed by combining the first lower swing leg (15) and the second lower swing leg (16), and a plurality of transmission components (14) are circumferentially arranged on the second lower swing leg (16).
6. The special swing leg for the mobile apron according to claim 5, wherein the transmission assembly (14) comprises a lifting sliding groove (19) vertically arranged on the second lower swing leg (16), a vertical screw rod (20) is arranged in the lifting sliding groove (19), the top end of the vertical screw rod (20) is inserted into the cavity (18) and is connected with the power assembly (13), a lifting sliding block (21) in threaded connection with the vertical screw rod (20) is further connected in a sliding manner in the lifting sliding groove (19), a transmission rod (31) is hinged to the lifting sliding block (21), and the other end of the transmission rod (31) is hinged to the upper end of the supporting plate (10).
7. The special swing leg for the mobile apron according to claim 6, wherein the top of the cavity (18) is fixedly connected with a circumferential driver (22), the end part of an output shaft of the circumferential driver (22) is fixedly connected with a first gear (23), and the top of the vertical screw (20) is fixedly connected with a second gear (24) meshed with the first gear (23).
8. A special swing leg for a mobile apron according to claim 7, characterized in that the detachable structure (17) comprises an upper connecting ring (25) fixed at the lower end of the first lower swing leg (15) and a lower connecting ring (26) fixed at the upper end of the second lower swing leg (16), the upper connecting ring (25) and the lower connecting ring (26) being fixed by means of a number of bolts.
9. A special swing leg for a mobile apron according to any one of claims 1-4, wherein the oil path structure (4) comprises an oil pressure cavity (27) arranged in the upper swing leg (1), the upper side and the lower side of the oil pressure cavity (27) are respectively provided with an oil filling hole (28), the two oil filling holes (28) are positioned at two sides of the lifting piston (3), and the upper side and the lower side of the oil pressure cavity (27) are also provided with annular limiting blocks (29) for keeping the two oil filling holes (28) positioned at two sides of the lifting piston (3).
10. A special swing leg for a mobile apron according to any one of claims 1-4, wherein the upper side of the upper swing leg (1) is further fixedly connected with a mounting plate (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342466.0U CN219637735U (en) | 2023-05-29 | 2023-05-29 | Special swing leg for movable parking apron |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321342466.0U CN219637735U (en) | 2023-05-29 | 2023-05-29 | Special swing leg for movable parking apron |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637735U true CN219637735U (en) | 2023-09-05 |
Family
ID=87821794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321342466.0U Active CN219637735U (en) | 2023-05-29 | 2023-05-29 | Special swing leg for movable parking apron |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637735U (en) |
-
2023
- 2023-05-29 CN CN202321342466.0U patent/CN219637735U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311800 Shengzhao Wuyi Village (Shengxiang Zhizao), Huandong Street, Zhuji City, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG SENSHA AVIATION TECHNOLOGY CO.,LTD. Country or region after: China Patentee after: Zhejiang Shengxiang collaborative innovation and Development Research Institute Address before: 311800 Xiazhu natural village, Wuxie community, Wuxie Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SENSHA AVIATION TECHNOLOGY CO.,LTD. Country or region before: China Patentee before: Zhejiang Shengxiang collaborative innovation and Development Research Institute |
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| CP03 | Change of name, title or address |