CN215621907U - High-stability semi-trailer supporting base suitable for uneven ground - Google Patents
High-stability semi-trailer supporting base suitable for uneven ground Download PDFInfo
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- CN215621907U CN215621907U CN202121234389.8U CN202121234389U CN215621907U CN 215621907 U CN215621907 U CN 215621907U CN 202121234389 U CN202121234389 U CN 202121234389U CN 215621907 U CN215621907 U CN 215621907U
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- semitrailer
- supporting base
- seat
- uneven ground
- lead screw
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- 238000009434 installation Methods 0.000 claims 1
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a high-stability semitrailer supporting base suitable for uneven ground, which relates to the technical field of supporting bases and comprises a semitrailer and a supporting base arranged at the lower end of the semitrailer, wherein the supporting base comprises a lead screw rotatably arranged at the lower end of the semitrailer, one end of the lead screw is connected with a motor output shaft, the outer wall of the lead screw is in threaded connection with a sliding seat assembly, the lower end of the sliding seat assembly is hinged with a connecting rod, one end, far away from the sliding seat assembly, of the connecting rod is hinged with a supporting seat and a movable rod, and one end, far away from the connecting rod, of the movable rod is hinged with the semitrailer. This adaptation height steady semitrailer supporting base on uneven ground, the automobile body, connecting rod and the movable rod through the semitrailer form the triangle-shaped setting, make supporting base more stable, further take place to slide through the antiskid nail preventing device.
Description
Technical Field
The utility model relates to the technical field of supporting bases, in particular to a high-stability semitrailer supporting base suitable for uneven ground.
Background
A semitrailer is a trailer whose axle is placed behind the center of gravity of the vehicle and which is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Semitrailers are generally three-axle semitrailers, and the types of semitrailers are divided into eleven-meter-bin-column semitrailers, thirteen-meter-bin semitrailers, low-bed semitrailers and the like. Is a heavy transport vehicle connected with a semitrailer head through a traction pin;
the utility model with the application number of CN202020731472.5 discloses a motor-driven semitrailer supporting device, which provides a motor-driven semitrailer supporting device to solve the problems that most of the existing semitrailer supporting devices proposed in the background technology are hand-operated, the time consumption of the supporting device in the expansion process is long, and the working efficiency is low; the problem that the transmission process of the supporting device is not stable enough;
but the device passes through outer support column and interior support column, but the stability of this kind of concatenation connection is relatively poor, after extending for a long distance, when using on uneven ground, can lead to the intermediate position of device to buckle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems, the high-stability semitrailer supporting base adaptive to the uneven ground is provided.
In order to achieve the purpose, the utility model adopts the following technical scheme: the semi-trailer comprises a semi-trailer and a plurality of supporting bases arranged at the lower end of the semi-trailer, wherein each supporting base comprises a lead screw rotatably arranged at the lower end of the semi-trailer, one end of the lead screw is connected with a motor output shaft, the outer wall of the lead screw is in threaded connection with a sliding seat assembly, the lower end of the sliding seat assembly is hinged with a connecting rod, one end, far away from the sliding seat assembly, of the connecting rod is hinged with a supporting seat and a movable rod, and one end, far away from the connecting rod, of the movable rod is hinged with the semi-trailer.
Further, the sliding seat subassembly includes the shell that slides and set up with the semitrailer lower extreme, the inside slip of shell is provided with the locking pole, the lower extreme of semitrailer is provided with the spacing groove that the cooperation locking pole used, the fixed mount pad that is provided with of lower extreme of locking pole, the outer wall cover of locking pole is equipped with the first spring that resets downwards.
Further, the intermediate position of shell slides and is provided with the screw thread seat, screw thread seat and lead screw threaded connection, the inside second spring that promotes screw thread seat and reset right that is provided with of shell, the lower extreme of screw thread seat is provided with the wedge, the outer wall of mount pad is provided with the wedge that cooperation screw thread seat lower extreme wedge used.
Further, the upper end of screw thread seat is fixed and is provided with the fixed block, the spout that the cooperation fixed block used is seted up to the inner wall of shell.
Furthermore, the contact end of the supporting seat and the ground is fixedly provided with an anti-skid nail.
Compared with the prior art, the utility model has the following beneficial effects:
this adaptation height steady semitrailer supporting base on uneven ground, the automobile body, connecting rod and the movable rod through the semitrailer form the triangle-shaped setting, make supporting base more stable, further take place to slide through the antiskid nail preventing device.
Drawings
FIG. 1 is an external view of a high-stability semitrailer supporting base adapted to uneven ground according to the present invention;
fig. 2 is an enlarged view of a part a in fig. 1 of the high-stability semitrailer supporting base adapted to uneven ground according to the present invention;
FIG. 3 is a schematic structural view of a threaded seat of a high-stability semitrailer supporting base adapted to uneven ground according to the present invention;
FIG. 4 is a side view of the threaded seat of the highly stable semitrailer support base adapted to non-flat ground in accordance with the present invention;
fig. 5 is a schematic structural view of the high-stability semitrailer supporting base adapted to uneven ground.
In the figure: 1. a semi-trailer; 2. a support base; 201. a motor; 202. a screw rod; 203. a sliding seat assembly; 2031. a housing; 2032. a mounting seat; 2033. a lock lever; 2034. a first spring; 2035. a threaded seat; 2036. a second spring; 204. a connecting rod; 205. a supporting seat; 206. a movable rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-5, adapt to high steady semitrailer supporting base on uneven ground, including semitrailer 1 and install in a plurality of supporting bases 2 of semitrailer 1 lower extreme, supporting base 2 is including rotating the lead screw 202 that sets up in semitrailer 1 lower extreme, the one end and the motor 201 output shaft of lead screw 202, the outer wall threaded connection of lead screw 202 has sliding seat subassembly 203, the articulated connecting rod 204 that is provided with of lower extreme of sliding seat subassembly 203, the one end that sliding seat subassembly 203 was kept away from to connecting rod 204 articulates there are supporting seat 205 and movable rod 206, the one end that connecting rod 204 was kept away from to movable rod 206 is articulated with semitrailer 1, through the triangle-shaped setting, make supporting base 2 more stable.
Further, sliding seat subassembly 203 includes the shell 2031 that slides and set up with 1 lower extreme of semitrailer, the inside slip of shell 2031 is provided with locking pole 2033, the lower extreme of semitrailer 1 is provided with the spacing groove that cooperation locking pole 2033 used, the fixed mount pad 2032 that is provided with of lower extreme of locking pole 2033, locking pole 2033 outer wall cover is equipped with the first spring 2034 that resets downwards, thereby locking pole 2033 gets into the constant head tank of 1 lower extreme of semitrailer when 1 sudden atress of semitrailer, avoid damaging the thread, cause the device to damage.
Further, the intermediate position of shell 2031 slides and is provided with screw thread seat 2035, screw thread seat 2035 and lead screw 202 threaded connection, the inside second spring 2036 that pushes away screw thread seat 2035 and reset right that is provided with of shell 2031, the lower extreme of screw thread seat 2035 is provided with the wedge, the outer wall of mount pad 2032 is provided with the wedge that cooperation screw thread seat 2035 lower extreme wedge used, make locking pole 2033 break away from the constant head tank of semitrailer 1 lower extreme through the wedge, make things convenient for the recovery of supporting base 2 to fold.
Further, the fixed block that is provided with in upper end of screw base 2035, the spout that the cooperation fixed block used is seted up to the inner wall of shell 2031, directly extrudes second spring 2036 when avoiding retrieving, leads to second spring 2036's damage.
Further, the contact end of the support base 205 and the ground is fixedly provided with an anti-skid nail to prevent the support base 205 from sliding.
The working principle is as follows: when the semitrailer 1 needs the supporting bases 2 to be supported in an auxiliary manner, the output shaft of the motor 201 drives the screw rod 202 to rotate, and as the sliding seat assembly 203 and the lower end of the semitrailer 1 are arranged in a sliding manner, the screw rod 202 drives the sliding seat assembly 203 to move, the sliding seat assembly 203 drives the connecting rod 204 to move, one end of the movable rod 206 is hinged with the bottom of the semitrailer 1, and the connecting rod 204 and the movable rod 206 are used in a matched manner, so that the supporting base 205 moves downwards in a curve manner and is contacted with the ground; when the support is finished, articles are placed, and the locking rod 2033 is arranged in the sliding seat assembly 203, so that when the semitrailer 1 is stressed suddenly, the locking rod 2033 enters the positioning groove at the lower end of the semitrailer 1, and the damage to the thread and the damage to the device are avoided; when because it is overweight to carry cargo, when leading to the constant head tank that locking pole 2033 got into semitrailer 1 lower extreme to kick-back, motor 201 output shaft drives lead screw 202 rotatory, and lead screw 202 is rotatory to drive screw thread seat 2035 and removes, and the wedge of screw thread seat 2035 lower extreme simultaneously contacts with the wedge of mount pad 2032 upper end to climb, thereby make locking pole 2033 break away from the constant head tank of semitrailer 1 lower extreme, make things convenient for the recovery of supporting base 2 to fold.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. High steady semitrailer supporting base who adapts to uneven ground, including semitrailer (1) and install in a plurality of supporting bases (2) of semitrailer (1) lower extreme, its characterized in that, supporting base (2) are including rotating lead screw (202) that set up in semitrailer (1) lower extreme, the one end and the motor (201) output shaft of lead screw (202), the outer wall threaded connection of lead screw (202) has sliding seat subassembly (203), the articulated connecting rod (204) that is provided with of lower extreme of sliding seat subassembly (203), the one end that sliding seat subassembly (203) were kept away from in connecting rod (204) articulates there are supporting seat (205) and movable rod (206), the one end that connecting rod (204) were kept away from in movable rod (206) is articulated with semitrailer (1).
2. The semitrailer supporting base adapting to uneven ground is characterized in that the sliding seat assembly (203) comprises a shell (2031) slidably arranged at the lower end of a semitrailer (1), a locking rod (2033) is slidably arranged inside the shell (2031), a limiting groove matched with the locking rod (2033) is arranged at the lower end of the semitrailer (1), an installation seat (2032) is fixedly arranged at the lower end of the locking rod (2033), and a first spring (2034) which resets downwards is sleeved on the outer wall of the locking rod (2033).
3. The semitrailer supporting base adapting to uneven ground according to claim 2, characterized in that a threaded seat (2035) is slidably arranged at the middle position of the housing (2031), the threaded seat (2035) is in threaded connection with the lead screw (202), a second spring (2036) for pushing the threaded seat (2035) to reset rightwards is arranged inside the housing (2031), a wedge block is arranged at the lower end of the threaded seat (2035), and a wedge block matched with the wedge block at the lower end of the threaded seat (2035) is arranged on the outer wall of the mounting seat (2032).
4. The high-stability semitrailer supporting base suitable for uneven ground according to claim 3, characterized in that a fixed block is fixedly arranged at the upper end of the threaded seat (2035), and a sliding groove matched with the fixed block is formed in the inner wall of the housing (2031).
5. The high-stability semitrailer supporting base adapted to uneven ground according to claim 1, characterized in that the ground-engaging end of the supporting seat (205) is fixedly provided with anti-skid nails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121234389.8U CN215621907U (en) | 2021-06-03 | 2021-06-03 | High-stability semi-trailer supporting base suitable for uneven ground |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121234389.8U CN215621907U (en) | 2021-06-03 | 2021-06-03 | High-stability semi-trailer supporting base suitable for uneven ground |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215621907U true CN215621907U (en) | 2022-01-25 |
Family
ID=79941156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121234389.8U Expired - Fee Related CN215621907U (en) | 2021-06-03 | 2021-06-03 | High-stability semi-trailer supporting base suitable for uneven ground |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215621907U (en) |
-
2021
- 2021-06-03 CN CN202121234389.8U patent/CN215621907U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |