CN211685032U - Trailer strutting arrangement - Google Patents
Trailer strutting arrangement Download PDFInfo
- Publication number
- CN211685032U CN211685032U CN202020258783.4U CN202020258783U CN211685032U CN 211685032 U CN211685032 U CN 211685032U CN 202020258783 U CN202020258783 U CN 202020258783U CN 211685032 U CN211685032 U CN 211685032U
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- fixed
- rod
- boss
- conical gear
- sliding
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- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a trailer strutting arrangement belongs to trailer supporting leg technical field. The supporting device comprises a fixed rod and a movable rod, and the fixed rod is fixed on the vehicle body. The movable rod comprises an outer barrel and an inner barrel, a height adjusting mechanism for adjusting the height of the movable rod is arranged inside the outer barrel, a boss is arranged at the top of the outer barrel, and the top of the boss is rotatably connected with the bottom of the fixed rod through a pin shaft. The outside cover of dead lever is equipped with the sliding sleeve of connecting dead lever and boss, and the upper portion of dead lever is provided with the positioning mechanism of fixed sliding sleeve. The outer barrel is connected with the second sliding block through a connecting rod, two ends of the connecting rod are hinged with the outer barrel and the second sliding block, and one end of the second sliding block is connected with a telescopic rod of a cylinder fixed at the bottom of the vehicle body. The bottom of the inner cylinder is provided with a supporting plate. The utility model adopts the above structure trailer strutting arrangement can solve the little problem of current trailer supporting leg lifting height.
Description
Technical Field
The utility model belongs to the technical field of trailer supporting leg structure technique and specifically relates to a trailer strutting arrangement is related to.
Background
The trailer is a vehicle which is towed by an automobile and does not have a power driving device, the trailer is an important vehicle for road transportation, and the transportation by adopting the trailer is the simplest and most effective important means for improving economic benefits. After the trailer is disconnected from the tractor, the trailer needs to be supported by the supporting legs at the front part of the trailer. The trailer is in the same place with drawing the car and linking together in the process of traveling, draws the car and has the effect of supporting to the trailer, and the supporting leg need be packed up this moment, avoids producing the friction between supporting leg and the ground. The existing supporting leg is a lifting structure provided with a gear box, and the lifting height of the supporting leg is small. The problem that the supporting leg touches the ground easily occurs when the trailer runs on an uneven road or runs on a steep slope, so that the supporting leg is damaged.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a trailer strutting arrangement solves the little problem of current trailer supporting leg lifting height.
In order to achieve the purpose, the utility model provides a trailer supporting device, which comprises a fixed rod and a movable rod, wherein the fixed rod is fixed on a trailer body;
the movable rod comprises an outer barrel and an inner barrel, the inner barrel is positioned in the outer barrel, a height adjusting mechanism for adjusting the height of the movable rod is arranged in the outer barrel, a boss is arranged at the top of the outer barrel, and the top of the boss is rotatably connected with the bottom of the fixed rod through a pin shaft;
the diameter of the outer barrel is larger than that of the boss, and the boss is equal to that of the fixed rod;
a sliding sleeve for connecting the fixed rod and the boss is sleeved outside the fixed rod, and a positioning mechanism for fixing the sliding sleeve is arranged at the upper part of the fixed rod;
the lower part of the outer cylinder is provided with a connecting lug, the connecting lug of the outer cylinder is connected with a second sliding block through a connecting rod, two ends of the connecting rod are hinged with the connecting lug of the outer cylinder and the second sliding block, the second sliding block is positioned in a sliding rail fixed at the bottom of the vehicle body and is in sliding connection with the sliding rail, and one end of the second sliding block is connected with a telescopic rod of a cylinder fixed at the bottom of the vehicle body;
the bottom of the inner cylinder is provided with a supporting plate.
Preferably, the height adjusting mechanism comprises a first conical gear and a second conical gear which are meshed with each other, an output shaft of the second conical gear is rotatably connected with the side wall of the outer cylinder, a crank which drives the second conical gear to rotate is arranged on the output shaft of the second conical gear, a first screw rod is arranged on the output shaft of the first conical gear, and the first screw rod is inserted into the inner cylinder and is in meshed transmission with a threaded hole formed in the top of the inner cylinder.
Preferably, a cross-shaped key groove is formed in the end of the output shaft of the second conical gear, a spline matched with the key groove is formed in the crank, and the crank is connected with the output shaft of the second conical gear in an inserting mode through the key groove and the spline.
Preferably, the bottom surface of the supporting plate is provided with anti-skid grains, and a reinforcing plate is arranged between the supporting plate and the inner cylinder.
Preferably, positioning mechanism is provided with the sleeve including fixing the locating plate on the dead lever lateral wall on the locating plate, and telescopic one end is provided with and makes the reference column insert the inside through-hole of sleeve, and the reference column is located one section outside cover of sleeve inside and is equipped with the spring, and the both ends of spring are fixed respectively on the mounting panel and the sleeve end inner wall that set up on the reference column, are provided with the through-hole that makes the reference column pass on the locating plate, are provided with the locating hole with reference column looks adaptation on the sliding sleeve.
Preferably, the sliding sleeve is provided with a first sliding block, and the side wall of the fixed rod is provided with a sliding groove matched with the first sliding block; the lower part of the fixed rod is provided with a fixed hole corresponding to the positioning hole, the fixed hole is a threaded hole, and the bolt penetrates through the positioning hole and the fixed hole to realize the fixation of the sliding sleeve between the fixed rod and the boss.
A trailer strutting arrangement, be provided with the sliding sleeve between the boss at dead lever and urceolus top, the sliding sleeve can improve the joint strength between dead lever and the urceolus, improves strutting arrangement's support intensity. The outer barrel is connected with the second sliding block through the connecting rod, the second sliding block is connected with the cylinder, the telescopic rod of the cylinder stretches to realize the upward inclination of the outer barrel, the lifting height of the supporting device is further improved, and the contact with the ground is avoided.
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a trailer support apparatus according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
fig. 3 is a key groove structure diagram of an embodiment of the trailer support device of the present invention.
Reference numerals
1. A vehicle body; 2. fixing the rod; 3. a sliding sleeve; 4. an outer cylinder; 5; an inner barrel; 6. a boss; 7. a support plate; 8. positioning a plate; 9. a first sliding block; 10. a chute; 11. a fixing hole; 12. a first connecting seat; 13. a pin shaft; 14. a second connecting seat; 15. adding a rib plate; 16. a screw rod; 17. a first conical gear; 18. a second bevel gear; 19. a connecting rod; 20. a second sliding block; 21. a slide rail; 22. a cylinder; 23. a sleeve; 24. a positioning column; 25. a spring; 26. mounting a plate; 27. and (7) positioning the holes.
Detailed Description
Examples
Fig. 1 is the utility model relates to a structural schematic diagram of trailer strutting arrangement embodiment, fig. 2 is the partial enlargements of A in the attached figure 1, and fig. 3 is the utility model relates to a keyway structural schematic diagram of trailer strutting arrangement embodiment. As shown in the figure, the trailer supporting device comprises a fixed rod 2 and a movable rod, wherein the two fixed rods 2 are welded or fixed on two sides of the bottom of a vehicle body 1 through bolts. The movable rod comprises an outer cylinder 4 and an inner cylinder 5, and the inner cylinder 5 is positioned inside the outer cylinder 4. A height adjusting mechanism for adjusting the height of the movable rod is arranged in the outer cylinder 4. The outer cylinder 4 is connected with the inner cylinder 5 through a height adjusting mechanism. The top of the outer barrel 4 is fixedly provided with a boss 6, and the boss 6, the outer barrel 4, the fixing rod 2 and the inner barrel 5 are coaxially arranged. The top of the boss 6 is provided with a U-shaped connecting seat II 14, the bottom of the fixing rod 2 is provided with a connecting seat I12, the connecting seat I12 is placed in a groove in the middle of the connecting seat II 14, through holes for the pin shaft 13 to pass through are formed in the connecting seat I12 and the connecting seat II 14, and the aperture of each through hole is slightly larger than the diameter of the pin shaft 13. The pin shaft 13 penetrates through the through hole to connect the first connecting seat 12 with the second connecting seat 14, so that the fixing rod 2 is hinged with the outer cylinder 4. The two ends of the pin shaft 13 are limited through a gasket and a nut, so that the pin shaft 13 is prevented from falling off from the first connecting seat 12 and the second connecting seat 14. The diameter of the outer cylinder 4 is larger than that of the boss 6, and the boss 6 is equal to that of the fixing rod 2.
The height adjusting mechanism comprises a first conical gear 17 and a second conical gear 18 which are meshed with each other, and an output shaft of the second conical gear 18 is rotatably connected with the side wall of the outer cylinder 4 through a bearing. The output shaft of the second conical gear 18 is provided with a crank for driving the second conical gear 18 to rotate, in this embodiment, the end of the output shaft of the second conical gear 18 is provided with a cross-shaped key groove, the crank is provided with a spline matched with the key groove, and the crank is inserted into the output shaft of the second conical gear 18 through the key groove and the spline. When the tool box is not used, the crank handle is taken down and placed in the tool box. And a first screw rod 16 is fixedly arranged on an output shaft of the first conical gear 17, and the first screw rod 16 is inserted into the inner cylinder 5 and is in meshing transmission with a threaded hole arranged at the top of the inner cylinder 5. The crank drives the second conical gear 18 to rotate, the second conical gear 18 is meshed with the first conical gear 17, the first conical gear 17 drives the screw rod 16 to rotate, and the screw rod 16 is meshed with a threaded hole formed in the top of the inner cylinder 5, so that the inner cylinder 5 can ascend or descend along the screw rod 16.
The outside cover of dead lever 2 is equipped with the sliding sleeve 3 of connecting dead lever 2 and boss 6, and the upper portion of dead lever 2 is provided with the positioning mechanism of fixed sliding sleeve 3. The positioning mechanism comprises an annular positioning plate 8 welded and fixed on the side wall of the fixing rod 2, a sleeve 23 is welded and fixed on the side wall of the positioning plate 8, one end of the sleeve 23 is open, and the other end of the sleeve 23 is provided with a through hole for inserting the positioning column 24 into the sleeve 23. The end of the positioning column 24 located outside the sleeve 23 is provided with a ball, and the diameter of the ball is larger than the aperture of the through hole formed in the sleeve 23, so that the end of the positioning column 24 is prevented from entering the sleeve 23. A section of the positioning column 24 located inside the sleeve 23 is externally sleeved with a spring 25, and two ends of the spring 25 are respectively fixed on an annular mounting plate 26 arranged on the positioning column 24 and an inner wall of the end of the sleeve 23 provided with a through hole. The positioning plate 8 is provided with a through hole for the positioning column 24 to pass through, and the sliding sleeve 3 is provided with a positioning hole 27 matched with the positioning column 24. When the supporting device is not used, the sliding sleeve 3 slides to the upper part of the fixing rod 2 and is fixed through the positioning column 24, so that the sliding sleeve 3 is prevented from moving in the running process of the trailer.
A first sliding block 9 is fixedly arranged on the inner wall of the sliding sleeve 3 or the upper end of the sliding sleeve 3, and a sliding groove 10 matched with the first sliding block 9 is arranged on the side wall of the fixed rod 2. The lower part of the fixed rod 2 is provided with a fixed hole 11 corresponding to the positioning hole 27, the fixed hole 11 is a threaded hole, and the bolt penetrates through the positioning hole 27 and the fixed hole 11 to realize the fixation of the sliding sleeve 3 between the fixed rod 2 and the boss 6. When the supporting device is used, the positioning column 24 is pulled, one end of the positioning column 24 is separated from the positioning hole 27, the sliding sleeve 3 slides downwards, the lower part of the sliding sleeve 3 is sleeved outside the boss 6, the upper part of the sliding sleeve 3 is sleeved on the fixing rod 2, the connecting strength between the fixing rod 2 and the outer barrel 4 is improved, the sliding sleeve 3 is fixedly connected with the fixing rod 2 through a bolt, and the sliding sleeve 3 is prevented from separating from the boss 6.
The side wall of the lower part of the outer cylinder 4 is provided with a connecting lug, and the connecting lug of the outer cylinder 4 is connected with the connecting lug of the second sliding block 20 through a connecting rod 19. The two ends of the connecting rod 19 are hinged to the connecting lugs of the outer barrel 4 and the connecting lugs of the second sliding block 20, and can be connected through bolts or connecting shafts, so that the connecting rod 19 is rotatably connected with the connecting lugs. The second sliding block 20 is positioned in the sliding rail 21 and is connected with the sliding rail 21 in a sliding manner, and the sliding rail 21 is fixedly arranged at the bottom of the vehicle body 1. The cross section of the slide rail 21 can be of a T-shaped structure or a dovetail groove structure, and the second slide block 20 is prevented from falling from the slide rail 21. One end of the second sliding block 20 is connected with an expansion link of a cylinder 22 fixed at the bottom of the vehicle body 1. The cylinder 22 is connected with an external air pump for the existing structure, the cylinder 22 drives the second sliding block 20 to slide in the sliding rail 21 through the extension or the shortening of the telescopic rod of the cylinder 22, so that the second sliding block 20 drives the outer barrel 4 to incline upwards through the connecting rod 19, the lifting height of the movable rod is further improved, and the bottom end of the supporting device is prevented from touching the ground.
The bottom of the inner cylinder 5 is welded or fixed by bolts with a supporting plate 7, the bottom surface of the supporting plate 7 is provided with anti-skid grains, and a reinforcing plate 15 is arranged between the supporting plate 7 and the inner cylinder 5.
Therefore, the utility model adopts the above structure trailer strutting arrangement can solve the little problem of current trailer supporting leg lifting height.
The above are specific embodiments of the present invention, but the scope of protection of the present invention should not be limited thereto. Any changes or substitutions which can be easily conceived by those skilled in the art within the technical scope of the present invention are covered by the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the claims.
Claims (6)
1. A trailer support apparatus characterized by: comprises a fixed rod and a movable rod, wherein the fixed rod is fixed on a vehicle body;
the movable rod comprises an outer barrel and an inner barrel, the inner barrel is positioned in the outer barrel, a height adjusting mechanism for adjusting the height of the movable rod is arranged in the outer barrel, a boss is arranged at the top of the outer barrel, and the top of the boss is rotatably connected with the bottom of the fixed rod through a pin shaft;
the diameter of the outer barrel is larger than that of the boss, and the boss is equal to that of the fixed rod;
a sliding sleeve for connecting the fixed rod and the boss is sleeved outside the fixed rod, and a positioning mechanism for fixing the sliding sleeve is arranged at the upper part of the fixed rod;
the lower part of the outer cylinder is provided with a connecting lug, the connecting lug of the outer cylinder is connected with a second sliding block through a connecting rod, two ends of the connecting rod are hinged with the connecting lug of the outer cylinder and the second sliding block, the second sliding block is positioned in a sliding rail fixed at the bottom of the vehicle body and is in sliding connection with the sliding rail, and one end of the second sliding block is connected with a telescopic rod of a cylinder fixed at the bottom of the vehicle body;
the bottom of the inner cylinder is provided with a supporting plate.
2. A trailer support apparatus as claimed in claim 1, wherein: the height adjusting mechanism comprises a first conical gear and a second conical gear which are meshed with each other, an output shaft of the second conical gear is rotatably connected with the side wall of the outer barrel, a crank which drives the second conical gear to rotate is arranged on the output shaft of the second conical gear, a first lead screw is arranged on the output shaft of the first conical gear, and the first lead screw is inserted into the inner barrel and is meshed with a threaded hole formed in the top of the inner barrel for transmission.
3. A trailer support apparatus as claimed in claim 2, wherein: and a cross key groove is formed in the end of the output shaft of the second conical gear, a spline matched with the key groove is formed in the crank, and the crank is connected with the output shaft of the second conical gear in an inserting mode through the key groove and the spline.
4. A trailer support apparatus as claimed in claim 1, wherein: the bottom surface of the supporting plate is provided with anti-skid grains, and a stiffened plate is arranged between the supporting plate and the inner barrel.
5. A trailer support apparatus as claimed in claim 1, wherein: positioning mechanism is provided with the sleeve including fixing the locating plate on the dead lever lateral wall on the locating plate, and telescopic one end is provided with and makes the reference column insert the inside through-hole of sleeve, and the reference column is located the inside outside cover of sleeve and is equipped with the spring, and the both ends of spring are fixed respectively on the mounting panel and the sleeve end inner wall that set up on the reference column, are provided with the through-hole that makes the reference column pass on the locating plate, are provided with the locating hole with reference column looks adaptation on the sliding sleeve.
6. A trailer support apparatus as claimed in claim 5, wherein: a first sliding block is arranged on the sliding sleeve, and a sliding groove matched with the first sliding block is arranged on the side wall of the fixed rod; the lower part of the fixed rod is provided with a fixed hole corresponding to the positioning hole, the fixed hole is a threaded hole, and the bolt penetrates through the positioning hole and the fixed hole to realize the fixation of the sliding sleeve between the fixed rod and the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258783.4U CN211685032U (en) | 2020-03-05 | 2020-03-05 | Trailer strutting arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020258783.4U CN211685032U (en) | 2020-03-05 | 2020-03-05 | Trailer strutting arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211685032U true CN211685032U (en) | 2020-10-16 |
Family
ID=72778018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020258783.4U Expired - Fee Related CN211685032U (en) | 2020-03-05 | 2020-03-05 | Trailer strutting arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211685032U (en) |
-
2020
- 2020-03-05 CN CN202020258783.4U patent/CN211685032U/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: 20201016 |