CN114162093B - Pull type motor home parking landing leg convenient to adjust - Google Patents
Pull type motor home parking landing leg convenient to adjust Download PDFInfo
- Publication number
- CN114162093B CN114162093B CN202111612633.4A CN202111612633A CN114162093B CN 114162093 B CN114162093 B CN 114162093B CN 202111612633 A CN202111612633 A CN 202111612633A CN 114162093 B CN114162093 B CN 114162093B
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- Prior art keywords
- parking
- bearing
- adjusting
- groove
- loop bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/32—Vehicles adapted to transport, to carry or to comprise special loads or objects comprising living accommodation for people, e.g. caravans, camping, or like vehicles
- B60P3/36—Auxiliary arrangements; Arrangements of living accommodation; Details
Abstract
The invention discloses a convenient-to-adjust pulling type motor home parking support leg, which comprises a parking base, wherein a bearing plate is arranged above the parking base, and a bearing shaft is arranged between the parking base and the bearing plate; according to the pulling type motor home parking support leg convenient to adjust, the stability of the parking support leg structure is improved, the bearing capacity is improved, and the parking is not easy to loosen by arranging the bearing plate, the fixing piece and the loop bar end; through setting up sleeve rod end and extension rod for parking base and ground contact reach the purpose of parking, ensure that this parking landing leg can adjust more convenient and fast when supporting on ground firmly; through setting up connecting seat and connector for this parking landing leg can be more firm be connected with trailer formula car as a house, with dismouting convenient and fast more when this plays a role, can accomplish the connection and demolish this landing leg through the connector; through setting up extension rod and adjustment part for this parking landing leg can accomplish the angle conversion.
Description
Technical Field
The invention relates to the technical field of trailer-type caravan, in particular to a trailer-type caravan parking support leg convenient to adjust.
Background
The motor home, also called as home on wheels, has two functions of a house and a car, but the property of the motor home is also that of the car, so that the motor home is a movable car type with necessary infrastructure at home.
The motor home is a fashion facility vehicle type introduced from abroad, and the household facilities on the motor home are as follows: furniture and electrical appliances such as bedding, stoves, refrigerators, cabinets, sofas, dining chairs, washing facilities, air conditioners, televisions, sounds and the like can be divided into driving areas, living areas, bedroom areas, sanitary areas, kitchen areas and the like, and the caravan is a fashion product integrating clothes, eating, living and traveling into a whole, and realizing traveling in life and living in traveling.
The trailer type motor home is one under the motor home, and is different from the self-propelled motor home, the trailer type motor home does not have power, and an extra vehicle is needed to carry out trailer driving on the trailer type motor home, so that the trailer type motor home in a hotel can be replaced, and four supporting legs are needed to support the trailer type motor home, so that the accommodation requirement of a passenger can be met. Namely, when the motor home is parked, the trailer can be stably fixed in place by the support of the supporting legs, so that normal living of the resident is ensured.
The prior art has the following defects or problems:
1. the existing trailer type motor home parking support leg is inconvenient in height adjustment and complex in operation flow;
2. the existing trailer type motor home parking support leg is not stable enough in connection among various components, and cannot meet the stability required by parking;
3. the existing trailer type motor home parking support leg does not have an angle adjusting function and cannot provide stable placement conditions.
Disclosure of Invention
The invention aims to provide a pulling type motor home parking support leg convenient to adjust aiming at the defects of the prior art, so as to solve the problems in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: including the parking base, parking base top is provided with the loading board, be provided with the loading shaft between parking base and the loading board, loading board top terminal surface is provided with the loop bar end, loop bar end top is provided with the roof, be provided with the mounting between loop bar end and the loading board, loop bar end top is provided with the extension pole, the extension pole top is provided with the connecting seat, be provided with the regulating spindle between extension pole and the connecting seat.
As the preferable technical scheme of the invention, the bearing plate comprises a bearing groove, a first fixing screw hole and a bearing shaft hole, wherein the bearing groove is formed in the top end face of the bearing plate, the size of the bearing groove is consistent with that of the loop bar end, the bearing shaft hole penetrates through the bearing groove in the bearing plate, and the first fixing screw holes are formed in the corresponding positions around the bearing plate.
As the preferable technical scheme of the invention, the bottom of the loop bar end extends to the inside of the bearing groove, the loop bar end comprises an extending groove, a micro air cylinder, a traction bar and a second fixing screw hole, the extending groove is formed in the loop bar end, the extending groove is consistent with the extending bar in size, the extending bar extends to the inside of the loop bar end through the extending groove, the micro air cylinder is fixedly arranged at the bottom end in the loop bar end, the traction bar is movably connected to the output end of the micro air cylinder, and the top of the traction bar is connected with the bottom of the extending bar.
As the preferable technical scheme of the invention, the periphery of the bottom of the loop bar end is provided with the second fixing screw holes, the second fixing screw holes and the first fixing screw holes are of the same structure and are matched with the fixing pieces, and the loop bar end is fixedly connected with the bearing plate through the fixing pieces.
As the preferable technical scheme of the invention, the bearing shaft is fixedly arranged on the top end surface of the parking base, the size of the bearing shaft is consistent with that of the bearing shaft hole, and the bearing shaft is of a semicircular rod-shaped structure.
As the preferable technical scheme of the invention, the connecting seat is connected with the adjusting shaft through welding and forms an integral structure, the connecting seat is movably connected with the extension rod through the adjusting shaft, connectors are fixedly connected to the periphery of the end face of the top of the connecting seat, and the connectors are of arc plate-shaped structures.
As the preferable technical scheme of the invention, the extension rod comprises an adjusting groove, a fixing seat, an adjusting spring and an adjusting part, wherein the end face of the top of the extension rod is provided with the adjusting groove, the size of the adjusting groove is consistent with that of an adjusting shaft and is in rotary connection, a slot is formed in one side of the inside of the extension rod, the fixing seat is fixedly arranged in the slot, the adjusting spring is fixedly arranged in the fixing seat, electromagnets are arranged on the front side and the rear side of the adjusting spring, and one end of the adjusting spring is fixedly provided with the adjusting part.
As the preferable technical scheme of the invention, the side wall of the bottom of the adjusting shaft is provided with the clamping grooves, six groups of clamping grooves are arranged, the adjusting part extends into the clamping grooves and is adaptive to the clamping grooves, the adjusting part is made of silica gel materials, and the end face of the adjusting part is of a cambered surface structure.
Compared with the prior art, the invention provides the trailer type motor home parking support leg convenient to adjust, which has the following beneficial effects:
1. through setting up loading board, mounting and loop bar end, the loading board includes the loading slot, first fixed screw and bears the shaft hole, the loading slot has been seted up to loading board top terminal surface, loading slot size is unanimous with loop bar end size, the loading board is inside to be located the loading slot outside and runs through and be provided with the bearing shaft hole, first fixed screw has all been seted up to the corresponding position around the loading board, second fixed screw has all been seted up around the loop bar end bottom, the second fixed screw is the same structure and all suits with the mounting with first fixed screw, loop bar end and loading board pass through mounting fixed connection, can accomplish the connection of loop bar end and loading board through the mounting, make the loop bar end bottom can firm the installation in the loading slot inside, promote the steadiness of this parking landing leg structure, promote bearing capacity, the difficult emergence of parking is not hard up;
2. through setting up sleeve rod end and extension rod, sleeve rod end bottom extends to the loading tank inside, sleeve rod end includes extending groove, micro cylinder, traction lever and second fixed screw, extending groove has been seted up to sleeve rod end inside, extending groove size is unanimous with the extension rod size, the extension rod extends to sleeve rod end inside through extending groove, sleeve rod end inside bottom fixed mounting has micro cylinder, micro cylinder output swing joint has the traction lever, the traction lever top is connected with the extension rod bottom, when this parking landing leg needs to use, through starting micro cylinder, the traction lever is under micro cylinder's drive effect, promote sleeve rod end to remove to ground, make parking base and ground contact, the purpose of parking is reached, ensure that this parking landing leg can firm support on ground adjusts more convenient and fast;
3. through setting up the bearing shaft and bearing the shaft hole, parking base top terminal surface fixed mounting has the bearing shaft, and bearing shaft size and bearing the shaft hole size unanimity, and the bearing shaft is semicircle shaft-like structure, and each group bears the bearing shaft and all is fixed connection in corresponding position bearing shaft hole, can ensure the steadiness that the loading board is connected with the parking base;
4. through setting up connecting seat and connector, the connecting seat passes through the welding with the regulating spindle and links to each other and constitute overall structure, and the connecting seat passes through regulating spindle and extension rod swing joint, and equal fixedly connected with connector all around the connecting seat top terminal surface, the connector is arc platy structure for this parking landing leg can be more firm with pull formula car as a house be connected, in order to play this effect the dismouting is more convenient and fast, can accomplish the connection and the demolishment to this landing leg through the connector;
5. through setting up extension rod and regulating part, the extension rod includes the adjustment tank, the fixing base, regulating spring and regulating part, the adjustment tank has been seted up to extension rod top terminal surface, the adjustment tank size is unanimous and there is the rotation connection with the regulating axle size, the fluting has been seted up to extension rod inside being located adjustment tank one side, fluting inside fixed mounting has the fixing base, inside fixed mounting has regulating spring, the regulating spring front and back side all is equipped with the electro-magnet, regulating spring one end fixed mounting has the regulating part, the draw-in groove has been seted up to the regulating axle bottom lateral wall, the draw-in groove is provided with six groups, regulating part extends and looks adaptation to the draw-in groove is inside, the regulating part is silica gel material constitution and the terminal surface is cambered surface structure, make this parking landing leg can accomplish the angle conversion, only need open the electro-magnet when carrying out the angle modulation, under the adsorption of electro-magnet, regulating spring contracts, drive regulating part leaves the draw-in groove, rotatable connecting seat, when needing to fix, open the electro-magnet for regulating part can with the draw-in groove contact, more convenient and fast.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the internal structure of the present invention;
FIG. 3 is a schematic perspective view of a parking base according to the present invention;
FIG. 4 is a schematic perspective view of a carrier plate according to the present invention;
FIG. 5 is a perspective view of a loop bar end according to the present invention;
FIG. 6 is a schematic perspective view of an extension rod according to the present invention;
FIG. 7 is a schematic perspective view of a connector according to the present invention;
fig. 8 is a plan sectional view of the extension rod and adjustment shaft connection structure of the present invention.
In the figure: 1. a parking base; 2. a carrying plate; 201. a carrying groove; 202. a first fixing screw hole; 203. a bearing shaft hole; 3. a bearing shaft; 4. a rod end is sleeved; 401. an extension groove; 402. a micro cylinder; 403. a traction rod; 404. the second fixing screw hole; 5. a top plate; 6. a fixing member; 7. an extension rod; 701. an adjustment tank; 702. a fixing seat; 703. an adjusting spring; 704. an adjusting section; 8. a connecting seat; 801. a connector; 9. an adjusting shaft; 901. a clamping groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 8, in the present embodiment: including parking base 1, parking base 1 top is provided with loading board 2, is provided with between parking base 1 and the loading board 2 and bears the axle 3, and loading board 2 top terminal surface is provided with loop bar end 4, and loop bar end 4 top is provided with roof 5, is provided with mounting 6 between loop bar end 4 and the loading board 2, and loop bar end 4 top is provided with extension rod 7, and extension rod 7 top is provided with connecting seat 8, is provided with regulating spindle 9 between extension rod 7 and the connecting seat 8.
In this embodiment, the bearing plate 2 includes a bearing groove 201, a first fixing screw hole 202 and a bearing shaft hole 203, the top end surface of the bearing plate 2 is provided with the bearing groove 201, the size of the bearing groove 201 is consistent with that of the loop bar end 4, the bearing shaft hole 203 is penetrated and arranged inside the bearing plate 2 outside the bearing groove 201, and the corresponding positions around the bearing plate 2 are provided with the first fixing screw holes 202, which plays a bearing role; the bottom of the sleeve rod end 4 extends towards the inside of the bearing groove 201, the sleeve rod end 4 comprises an extending groove 401, a micro cylinder 402, a traction rod 403 and a second fixing screw hole 404, the extending groove 401 is formed in the sleeve rod end 4, the extending groove 401 is consistent with the extending rod 7 in size, the extending rod 7 extends towards the inside of the sleeve rod end 4 through the extending groove 401, the micro cylinder 402 is fixedly arranged at the bottom end of the inside of the sleeve rod end 4, the traction rod 403 is movably connected to the output end of the micro cylinder 402, the top of the traction rod 403 is connected with the bottom of the extending rod 7, when the parking support leg is needed to be used, the traction rod 403 is driven by the micro cylinder 402 to do extending motion to push the sleeve rod end 4 to move towards the ground, the parking base 1 is enabled to contact the ground, the parking support leg is enabled to be stably supported on the ground, and meanwhile, adjustment is more convenient and rapid; the second fixing screw holes 404 are formed in the periphery of the bottom of the sleeve rod end 4, the second fixing screw holes 404 and the first fixing screw holes 202 are of the same structure and are matched with the fixing pieces 6, the sleeve rod end 4 and the bearing plate 2 are fixedly connected through the fixing pieces 6, and the connection between the sleeve rod end 4 and the bearing plate 2 can be completed through the fixing pieces 6, so that the bottom of the sleeve rod end 4 is stably arranged in the bearing groove 201, the stability of the parking supporting leg structure is improved, the bearing capacity is improved, and the parking is not easy to loosen; the bearing shafts 3 are fixedly arranged on the top end surface of the parking base 1, the size of the bearing shafts 3 is consistent with that of the bearing shaft holes 203, the bearing shafts 3 are of semicircular rod-shaped structures, and each group of bearing shafts 3 are fixedly connected with the bearing shaft holes 203 at corresponding positions, so that the connection stability of the bearing plate 2 and the parking base 1 can be ensured; the connecting seat 8 is connected with the adjusting shaft 9 through welding and forms an integral structure, the connecting seat 8 is movably connected with the extension rod 7 through the adjusting shaft 9, the connector 801 is fixedly connected to the periphery of the end face of the top of the connecting seat 8, and the connector 801 is of an arc-shaped plate structure, so that the parking support leg can be more firmly connected with the trailer type motor home, and the connection and the disconnection of the support leg can be completed through the connector 801 while the parking support leg is more convenient and rapid to disassemble and assemble; the extension rod 7 includes adjustment tank 701, fixing base 702, adjusting spring 703 and adjustment portion 704, the adjustment tank 701 has been seted up to extension rod 7 top terminal surface, adjustment tank 701 size is unanimous and there is rotation connection with adjustment shaft 9 size, the fluting has been seted up to the inside adjustment tank 701 one side that is located of extension rod 7, fluting inside fixed mounting has fixing base 702, fixing base 702 inside fixed mounting has adjusting spring 703, the side all is equipped with the electro-magnet around adjusting spring 703, adjusting spring 703 one end fixed mounting has adjustment portion 704, draw-in groove 901 has been seted up to adjustment shaft 9 bottom lateral wall, draw-in groove 901 is provided with six groups, adjustment portion 704 extends and looks adaptation to draw-in groove 901 inside, adjustment portion 704 is silica gel material constitution and terminal surface be cambered surface structure, make this parking landing leg can accomplish the angle conversion, when needing to carry out the angle adjustment, only need open the electro-magnet, under the adsorption effect of electro-magnet, adjusting spring 703 contracts, drive adjustment portion 704 leaves draw-in groove 901, can rotate connecting seat 8, need be fixed, open the electro-magnet, make adjustment portion 704 and draw-in groove 901 contact, more convenient and fast.
The working principle and the using flow of the invention are as follows: firstly, through connector 801, can be with this parking landing leg fixed mounting around the trailer formula car as a house bottom, when needs accomplish the time of parking, only need through starting micro cylinder 402, pull rod 403 is under micro cylinder 402's drive effect, do extension motion, promote sleeve rod end 4 to the ground removal, make parking base 1 and ground contact, reach the purpose of parking, ensure that this parking landing leg can be firm support adjust convenient and fast more in the ground, in the in-process that this process goes on, only need open the electro-magnet, under the adsorption of electro-magnet, adjusting spring 703 shrink, drive adjusting part 704 and leave draw-in groove 901, can drive connecting seat 8 through rotating adjusting shaft 9, when needs fixed, open the electro-magnet, make adjusting part 704 and draw-in groove 901 contact can, can accomplish the angle modulation of this parking landing leg with this operation.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. Pulling formula car as a house parking landing leg convenient to adjust, its characterized in that: the parking base (1) is arranged above the parking base (1), a bearing shaft (3) is arranged between the parking base (1) and the bearing plate (2), a sleeve rod end (4) is arranged on the top end face of the bearing plate (2), a top plate (5) is arranged at the top of the sleeve rod end (4), a fixing piece (6) is arranged between the sleeve rod end (4) and the bearing plate (2), an extension rod (7) is arranged at the top of the sleeve rod end (4), a connecting seat (8) is arranged above the extension rod (7), and an adjusting shaft (9) is arranged between the extension rod (7) and the connecting seat (8);
the bearing plate (2) comprises a bearing groove (201), a first fixing screw hole (202) and a bearing shaft hole (203), the bearing groove (201) is formed in the top end face of the bearing plate (2), the size of the bearing groove (201) is consistent with that of the sleeve rod end (4), the bearing shaft hole (203) is formed in the bearing plate (2) in a penetrating mode outside the bearing groove (201), and the first fixing screw holes (202) are formed in corresponding positions around the bearing plate (2);
the bottom of the loop bar end (4) extends towards the inside of the bearing groove (201), the loop bar end (4) comprises an extension groove (401), a micro cylinder (402), a traction bar (403) and a second fixing screw hole (404), the extension groove (401) is formed in the loop bar end (4), the extension groove (401) is consistent with the extension bar (7) in size, the extension bar (7) extends towards the inside of the loop bar end (4) through the extension groove (401), the micro cylinder (402) is fixedly arranged at the bottom end inside the loop bar end (4), the traction bar (403) is movably connected with the output end of the micro cylinder (402), and the top of the traction bar (403) is connected with the bottom of the extension bar (7).
The parking device is characterized in that a bearing shaft (3) is fixedly arranged on the top end surface of the parking base (1), the size of the bearing shaft (3) is consistent with that of a bearing shaft hole (203), and the bearing shaft (3) is of a semicircular rod-shaped structure;
the connecting seat (8) is connected with the adjusting shaft (9) through welding and forms an integral structure, the connecting seat (8) is movably connected with the extension rod (7) through the adjusting shaft (9), connectors (801) are fixedly connected to the periphery of the end face of the top of the connecting seat (8), and the connectors (801) are of an arc-shaped plate structure;
the extension rod (7) comprises an adjusting groove (701), a fixing seat (702), an adjusting spring (703) and an adjusting part (704), the adjusting groove (701) is formed in the top end face of the extension rod (7), the adjusting groove (701) is consistent in size with an adjusting shaft (9) and is in rotary connection, a slot is formed in one side of the adjusting groove (701) in the extension rod (7), the fixing seat (702) is fixedly arranged in the slot, the adjusting spring (703) is fixedly arranged in the fixing seat (702), electromagnets are arranged on the front side and the rear side of the adjusting spring (703), and the adjusting part (704) is fixedly arranged at one end of the adjusting spring (703);
clamping grooves (901) are formed in the side wall of the bottom of the adjusting shaft (9), six groups of clamping grooves (901) are formed, the adjusting portion (704) extends towards the inside of the clamping grooves (901) and is adaptive to the clamping grooves, and the adjusting portion (704) is made of silica gel materials and is of an arc-surface structure.
2. The conveniently-adjusted trailer-type motor home parking support leg as set forth in claim 1, wherein: the utility model discloses a loop bar end, including loop bar end (4), fixed screw (2) of loop bar end, loop bar end (4) bottom all has offered second fixed screw (404) all around, second fixed screw (404) are the same structure with first fixed screw (202) and all with mounting (6) looks adaptation, loop bar end (4) and loading board (2) are through mounting (6) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612633.4A CN114162093B (en) | 2021-12-27 | 2021-12-27 | Pull type motor home parking landing leg convenient to adjust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111612633.4A CN114162093B (en) | 2021-12-27 | 2021-12-27 | Pull type motor home parking landing leg convenient to adjust |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114162093A CN114162093A (en) | 2022-03-11 |
| CN114162093B true CN114162093B (en) | 2023-07-18 |
Family
ID=80488491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111612633.4A Active CN114162093B (en) | 2021-12-27 | 2021-12-27 | Pull type motor home parking landing leg convenient to adjust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114162093B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116118675B (en) * | 2023-03-10 | 2023-11-24 | 威海子和智能装备股份有限公司 | Stable support frame for caravan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874515A (en) * | 1973-05-16 | 1975-04-01 | Fmc Corp | Counterweight jack mechanisms for cranes and the like |
| CN107757572A (en) * | 2016-08-23 | 2018-03-06 | 扬州中集通华专用车有限公司 | Runflat support meanss |
| CN208149282U (en) * | 2018-05-11 | 2018-11-27 | 湖州瑞艺木业有限公司 | A kind of stabilizer blade suitable for caravan |
| CN208963191U (en) * | 2018-10-18 | 2019-06-11 | 天津汇通思达科技有限公司 | A kind of crawler belt pump truck being convenient for support |
| CN212148785U (en) * | 2020-04-19 | 2020-12-15 | 江苏贝斯康药业有限公司 | Hydraulic support leg for semitrailer |
-
2021
- 2021-12-27 CN CN202111612633.4A patent/CN114162093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3874515A (en) * | 1973-05-16 | 1975-04-01 | Fmc Corp | Counterweight jack mechanisms for cranes and the like |
| CN107757572A (en) * | 2016-08-23 | 2018-03-06 | 扬州中集通华专用车有限公司 | Runflat support meanss |
| CN208149282U (en) * | 2018-05-11 | 2018-11-27 | 湖州瑞艺木业有限公司 | A kind of stabilizer blade suitable for caravan |
| CN208963191U (en) * | 2018-10-18 | 2019-06-11 | 天津汇通思达科技有限公司 | A kind of crawler belt pump truck being convenient for support |
| CN212148785U (en) * | 2020-04-19 | 2020-12-15 | 江苏贝斯康药业有限公司 | Hydraulic support leg for semitrailer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114162093A (en) | 2022-03-11 |
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