CN113859361A - Suspension mechanism with adjustable semitrailer width - Google Patents
Suspension mechanism with adjustable semitrailer width Download PDFInfo
- Publication number
- CN113859361A CN113859361A CN202111236894.0A CN202111236894A CN113859361A CN 113859361 A CN113859361 A CN 113859361A CN 202111236894 A CN202111236894 A CN 202111236894A CN 113859361 A CN113859361 A CN 113859361A
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- steering
- assembly
- width
- wheel
- hinged
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- 239000000725 suspension Substances 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract description 34
- 238000000429 assembly Methods 0.000 claims abstract description 34
- 239000003921 oil Substances 0.000 description 21
- 238000010248 power generation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/14—Understructures, i.e. chassis frame on which a vehicle body may be mounted of adjustable length or width
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/02—Attaching arms to sprung part of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/10—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of power unit
- B62D5/12—Piston and cylinder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
A suspension mechanism with adjustable width of a semitrailer relates to the technical field of transport vehicles. The frame assembly comprises a frame assembly, wherein a plurality of inner sliding overhanging beams which are symmetrically arranged are fixedly arranged on two sides of the frame assembly, and wheel carrier assemblies are respectively arranged on the inner sliding overhanging beams in a sliding manner; the wheel carrier assembly comprises an outer sliding support arranged on an inner sliding extension beam in a sliding mode, the inner sliding extension beam and the outer sliding support are arranged on an inner sliding extension beam in a sliding mode respectively, a swing arm assembly is installed on the outer sliding support, the outer end of the swing arm assembly is connected with a wheel assembly, expanding oil cylinders are hinged between the frame assembly vehicle and the wheel assembly respectively and are used for driving the wheel carrier assemblies on the two sides of the frame assembly vehicle to move along the width direction of the frame assembly vehicle, and therefore width adjustment of the semitrailer is achieved. When the semi-trailer suspension structure is used, the width and the wheel track of the semi-trailer suspension structure can be adjusted, the semi-trailer suspension structure can be adapted to wind power tower cylinders with various diameters, the problem that a large number of vehicles are occupied is effectively solved, and the use efficiency of the vehicles is improved.
Description
Technical Field
The invention relates to the technical field of transport vehicles, in particular to a semitrailer width-adjustable suspension mechanism.
Background
In recent years, with the rapid global demand for clean energy, wind power generation has become one of the important power and energy supply modes, and accounts for a higher and higher proportion of the total power generation. Wind power projects are continuously built at home and abroad under the circumstances, and the high-speed development of the whole industry is promoted.
With the continuous promotion of the technology, the model size of the wind power generation equipment is more and more diversified, and the diameter of the conventional tower barrel covers the interval of 2000 and 3800 mm. At present, when in transportation, the semitrailers with different widths are required to be matched with tower barrels with various diameters, so that more vehicle resources are occupied, and the use requirements of users cannot be met.
Disclosure of Invention
The invention aims to provide a semitrailer width-adjustable suspension mechanism which can effectively solve the problems in the background technology.
The technical scheme for realizing the purpose is as follows: the utility model provides a suspension mechanism with adjustable semitrailer width, includes frame assembly, its characterized in that: a plurality of inner sliding overhanging beams which are symmetrically arranged are fixedly arranged on two sides of the frame assembly, and wheel carrier assemblies are respectively arranged on the inner sliding overhanging beams in a sliding manner;
the wheel carrier assembly comprises an outer sliding support arranged on an inner sliding outer extending beam in a sliding mode, the inner sliding outer extending beam is respectively provided with an outer sliding support in a sliding mode, the outer sliding support is provided with a swing arm assembly, the swing arm assembly comprises two L-shaped swing arms symmetrically arranged on two sides of the outer sliding support, one end of each swing arm is hinged to the outer sliding support, the other ends of the two swing arms face one side away from the frame assembly and are respectively hinged to a wheel assembly, suspension oil cylinders are arranged between the two swing arms, and two ends of each suspension oil cylinder are respectively hinged to the swing arms on the two sides;
and the width-expanding oil cylinders are respectively hinged between the frame main vehicle and the wheel assemblies and are used for driving the wheel carrier assemblies on the two sides of the frame assemblies to move along the width direction of the frame assemblies, so that the width adjustment of the semitrailer is realized.
Furthermore, a steering pull rod arranged in parallel with the frame assembly is respectively arranged between the frame assembly and the swing arm assemblies on the two sides, a plurality of steering levers which are respectively in one-to-one correspondence with the steering arms connected to the wheel assemblies on the same side are hinged to the steering pull rod, the steering levers are positioned on the inner sides of the corresponding steering arms, one end of each steering lever is hinged to the steering pull rod, an expanding oil cylinder is arranged between the other end of each steering lever and the corresponding steering arm, the expanding oil cylinders are respectively hinged to the corresponding steering levers and the corresponding steering arms, and the included angle ends of the steering levers are hinged to the frame assembly; steering cylinders are respectively hinged between the steering pull rod and the frame assembly.
Furthermore, the wheel assembly is hinged with the corresponding swing arm through a steering knuckle, the steering knuckle is connected with a steering arm, and the steering assembly is hinged with the corresponding end of the expanding oil cylinder through the steering arm.
Furthermore, a locking mechanism is arranged between the steering arm and the corresponding swing arm, the locking mechanism comprises a locking hole formed in the swing arm and a locking cylinder arranged on the steering arm, the telescopic end of the locking cylinder is connected with a locking pin matched with the locking hole, and the locking pin and the locking hole are in coaxial alignment when the wheel of the wheel assembly is in a return state.
Furthermore, a plurality of locking holes arranged at intervals are formed in the inner sliding overhanging beam, and positioning pins matched with the locking holes are connected to the outer sliding support in a threaded mode.
Furthermore, two L-shaped swing arms of the swing arm assembly are provided with oppositely arranged ball seats, and the tail end and the telescopic end of the suspension oil cylinder are respectively connected with ball heads which are rotatably matched in the ball seats on the two sides.
The invention has the beneficial effects that:
1) when the semi-trailer suspension structure is used, the width and the wheel track of the semi-trailer suspension structure can be adjusted, the semi-trailer suspension structure can be adapted to wind power tower cylinders with various diameters, the problem that a large number of vehicles are occupied is effectively solved, and the use efficiency of the vehicles is improved.
2) When the width of the wheel assembly is adjusted, the wheel assembly is kept in a suspended state, so that the wheel assembly has the advantages of labor saving and safety, and the tire cannot be abraded.
3) The width-expanding oil cylinder is used as a driving device for adjusting the width and is also used as a connecting rod of a steering mechanism, so that the width adjusting function is ensured, and the steering function of a vehicle is not influenced.
4) The width of the invention can be adjusted without complex manpower, and the action can be realized through the hydraulic oil cylinder, so that the use and adjustment of the vehicle are more convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is a schematic structural view of the locking mechanism;
FIG. 5 is a side view of the wheel carrier assembly with the wheel removed;
FIG. 6 is a front view of the suspension cylinder;
FIG. 7 is a schematic view of the locking pin being locked in the locking hole of the inner slide outrigger;
FIG. 8 is a schematic view of the width adjustment state of the two rear wheel carrier assemblies.
The reference numbers in the figures illustrate: 1. A frame assembly; 2. an inner sliding overhanging beam; 2.1, locking holes; 3. an outer sliding bracket; 4. a swing center shaft; 5. a swing arm assembly; 5.1, a swing arm; 6. a wheel assembly; 7. a ball cup seat; 8. suspending the oil cylinder; 8.1 ball head; 9. positioning pins; 10. a steering tie rod; 11. a steering lever; 12. a steering cylinder; 13. a steering arm; 14. a locking mechanism; 14.1, locking a cylinder; 14.2, a locking pin; 14.3, locking holes; 15. a wheel carrier assembly; 16. a knuckle; 17. an expanding oil cylinder.
Detailed Description
As shown in fig. 1-8, the present invention includes a frame assembly 1 for supporting a tower, two inner sliding outriggers 2 symmetrically arranged are fixedly installed on two sides of the frame assembly 1 in the width direction, and wheel carrier assemblies 15 are slidably installed on the inner sliding outriggers 2, respectively.
The wheel carrier assembly 15 includes the outer sliding support 3 that slides and set up on the overhanging roof beam 2 that slides including, and outer sliding support 3 both sides are fixedly connected with symmetrical arrangement's swing center axle 4 respectively, installs swing arm assembly 5 on the outer sliding support 3, and swing arm assembly 5 is including symmetrical arrangement two L shape swing arms 5.1 at outer sliding support 3 both sides, and swing arm 5.1's one end is rotated and is installed on the swing center axle 4 that corresponds the side, and swing arm 5.1's the other end orientation is kept away from one side of frame assembly car 1, and articulated respectively have wheel assembly 6, wheel assembly 6 passes through knuckle 16 and is articulated with corresponding swing arm 5.1, all is connected with steering arm 13 on the knuckle 16.
As a further illustration of the present embodiment, the steering arms 13 of the two wheel assemblies 6 connected to the same swing arm assembly 5 are disposed opposite to each other.
The swing arm assembly is characterized in that one end, connected with a swing central shaft 4, of two L-shaped swing arms 5.1 of the swing arm assembly 5 upwards protrudes out of the inner sliding overhanging beam 2, a ball head seat 7 which is oppositely arranged is arranged at the protruding part, a suspension oil cylinder 8 is arranged between the ball head seats 7, and the tail end and the telescopic end of the suspension oil cylinder 8 are respectively connected with ball heads 8.1 which are rotatably matched in the ball head seats 7 at two sides.
As a further improvement of this embodiment, in order to ensure reliable connection between the inner sliding outrigger 2 and the outer sliding bracket 3 during normal driving, a plurality of locking holes 2.1 arranged at intervals are provided on the inner sliding outrigger 2, and a positioning pin 9 for locking and matching with the locking holes 2.1 is screwed on the outer sliding bracket 3.
A steering pull rod 10 which is arranged in parallel with the frame assembly 1 is respectively arranged between the frame assembly 1 and the swing arm assemblies 5 on the two sides, a plurality of steering levers 11 which are respectively in one-to-one correspondence with the steering arms 13 connected with the wheel assemblies 1 on the same side are hinged on the steering pull rod 10, the steering levers 11 are positioned on the inner sides of the corresponding steering arms 13, one end of each steering lever 11 is hinged with the corresponding steering pull rod 10, an expanding oil cylinder 17 is arranged between the other end of each steering lever 11 and the corresponding steering arm 13 of the corresponding wheel assembly 6, the expanding oil cylinder 17 is respectively hinged with the corresponding steering lever 11 and the corresponding steering arm 13, and the included angle end of each steering lever 11 is hinged with the frame assembly 1.
The end of the steering lever 11 hinged to the spreader cylinder 17 is oriented in the same direction as the corresponding steering arm 13.
The steering arm 13 and the corresponding swing arm 5.1 are provided with locking mechanisms 14 therebetween, each locking mechanism 14 comprises a locking hole 14.3 formed in the corresponding swing arm 5.1 and a locking cylinder 14.1 mounted on the steering arm 13, the telescopic end of the locking cylinder 14.1 is connected with a locking pin 1.2 matched with the locking hole 14.3, and the locking pin 14.2 and the locking hole 14.3 are in coaxial alignment when the wheel of the wheel assembly 6 is in a return-to-normal state.
The working principle of the invention is as follows:
when the vehicle runs normally, the suspension oil cylinder 8 returns oil to the shortest stroke, and the locking pin 1.2 is separated from the locking hole 14.3, so that the wheel assembly 6 has a normal steering function; the positioning pin 9 on the outer sliding support 3 is locked in one of the locking holes 2.1 of the inner sliding overhanging beam 2, so that reliable positioning is formed between the outer sliding support 2 and the inner sliding overhanging beam 2.
When the vehicle turns, the steering cylinders 12 on the two sides drive the steering rods 10 on the two sides to displace in opposite directions, the steering rods 10 drive the steering levers 11 on the two sides to rotate in the same direction (top view angle), and the steering levers 11 drive the steering arms 13 of the wheel assemblies 6 on the two sides to rotate in the same direction through the expanding cylinders 17 in the rotating process, so that the wheels of the wheel assemblies 6 on the two sides are driven to turn synchronously.
When the width of the semitrailer needs to be adjusted, the wheels of the wheel assembly 6 are adjusted to be in a return state, the locking cylinder 14.1 drives the locking pin 1.2 to be locked in the locking hole 14.3, the steering function of the semitrailer is locked, then the positioning pin 9 on the outer sliding support 3 is screwed out, the positioning pin 9 is separated from the locking hole 2.1 of the sliding outer extension beam 2, and the outer sliding support 2 can slide relative to the inner sliding outer extension beam 2.
And then the suspension oil cylinders 8 of the two wheel carrier assemblies 15 positioned at the rear part (or the front part) are controlled to extend, the suspension oil cylinders 8 drive the swing arms 5.1 at the two sides to upwards rotate in opposite directions respectively in the extending process to the state shown in figure 8, so that the wheels of the wheel carrier assemblies 15 are separated from the ground, and then the expanding oil cylinders 17 corresponding to the two rear wheel carrier assemblies 15 are driven to move to drive the rear wheel carrier assemblies 15 to displace towards the inner side or the outer side, thereby realizing the adjustment of the distance between the two rear wheel carrier assemblies 15 and realizing the adjustment of the rear width of the semitrailer.
After the adjustment is completed, the suspension oil cylinders 8 corresponding to the two rear wheel carrier assemblies 15 return oil to the shortest stroke to drive the swing arms 5.1 on the two sides to rotate downwards, so that the wheels of the wheel carrier assemblies 15 fall back to be supported on the ground, and meanwhile, the positioning pins 9 on the two rear wheel carrier assemblies 15 are locked in the corresponding locking holes 2.1 of the sliding overhanging beams 2, so that reliable positioning is formed between the outer sliding supports 2 of the two rear wheel carrier assemblies 15 and the inner sliding overhanging beams 2.
Thereafter, the widths of the two wheel frame assemblies 15 at the front (rear) are adjusted in the same manner.
After the width adjustment is finished, the locking cylinders 14.1 of all the wheel carrier assemblies 15 respectively drive the locking pins 1.2 to be separated from the locking holes 14.3, and the steering function of the semitrailer is recovered.
Claims (6)
1. The utility model provides a suspension mechanism with adjustable semitrailer width, includes frame assembly, its characterized in that: a plurality of inner sliding overhanging beams which are symmetrically arranged are fixedly arranged on two sides of the frame assembly, and wheel carrier assemblies are respectively arranged on the inner sliding overhanging beams in a sliding manner;
the wheel carrier assembly comprises an outer sliding support arranged on an inner sliding outer extending beam in a sliding mode, the inner sliding outer extending beam is respectively provided with an outer sliding support in a sliding mode, the outer sliding support is provided with a swing arm assembly, the swing arm assembly comprises two L-shaped swing arms symmetrically arranged on two sides of the outer sliding support, one end of each swing arm is hinged to the outer sliding support, the other ends of the two swing arms face one side away from the frame assembly and are respectively hinged to a wheel assembly, suspension oil cylinders are arranged between the two swing arms, and two ends of each suspension oil cylinder are respectively hinged to the swing arms on the two sides;
and the width-expanding oil cylinders are respectively hinged between the frame main vehicle and the wheel assemblies and are used for driving the wheel carrier assemblies on the two sides of the frame assemblies to move along the width direction of the frame assemblies, so that the width adjustment of the semitrailer is realized.
2. The adjustable semitrailer width suspension mechanism of claim 1, characterized in that: a steering pull rod arranged in parallel with the frame assembly is arranged between the frame assembly and the swing arm assemblies on the two sides respectively, a plurality of steering levers which are in one-to-one correspondence with the steering arms connected with the wheel assemblies on the same side respectively are hinged on the steering pull rod, the steering levers are positioned on the inner sides of the corresponding steering arms, one ends of the steering levers are hinged with the steering pull rod, an expanding oil cylinder is arranged between the other end of each steering lever and the corresponding steering arm, the expanding oil cylinder is respectively hinged with the corresponding steering lever and the corresponding steering arm, and the included angle end of each steering lever is hinged with the frame assembly; steering cylinders are respectively hinged between the steering pull rod and the frame assembly.
3. The adjustable semitrailer width suspension mechanism of claim 2, characterized in that: the wheel assembly is hinged with the corresponding swing arm through a steering knuckle, a steering arm is connected to the steering knuckle, and the steering assembly is hinged with the corresponding end of the expanding oil cylinder through the steering arm.
4. The adjustable semitrailer width suspension mechanism of claim 3, characterized in that: the steering arm and the corresponding swing arm are provided with locking mechanisms, each locking mechanism comprises a locking hole formed in the corresponding swing arm and a locking cylinder arranged on the steering arm, the telescopic end of each locking cylinder is connected with a locking pin matched with the corresponding locking hole, and the locking pin and the locking hole are in coaxial alignment when the wheel of the wheel assembly is in a return state.
5. The suspension mechanism with adjustable semitrailer car width of claim 1, characterized in that: the inner sliding outrigger is provided with a plurality of locking holes arranged at intervals, and the outer sliding support is in threaded connection with positioning pins matched with the locking holes.
6. The adjustable semitrailer width suspension mechanism of claim 1, characterized in that: the two L-shaped swing arms of the swing arm assembly are provided with oppositely arranged ball head seats, and the tail end and the telescopic end of the suspension oil cylinder are respectively connected with ball heads which are rotatably matched in the ball head seats on the two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236894.0A CN113859361B (en) | 2021-10-24 | 2021-10-24 | Suspension mechanism with adjustable semitrailer width |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111236894.0A CN113859361B (en) | 2021-10-24 | 2021-10-24 | Suspension mechanism with adjustable semitrailer width |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113859361A true CN113859361A (en) | 2021-12-31 |
| CN113859361B CN113859361B (en) | 2024-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111236894.0A Active CN113859361B (en) | 2021-10-24 | 2021-10-24 | Suspension mechanism with adjustable semitrailer width |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113859361B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1021943A2 (en) * | 1999-01-25 | 2000-07-26 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Agricultural spreader |
| CN201751271U (en) * | 2010-06-23 | 2011-02-23 | 长沙中联重工科技发展股份有限公司 | Self-propelled mortar vehicle chassis and mortar vehicle |
| US20150284041A1 (en) * | 2012-12-12 | 2015-10-08 | Scheuerle Fahrzeugfabrik Gmbh | Transport vehicle with variable width and track width and at least one steering axle |
| CN107244353A (en) * | 2017-06-19 | 2017-10-13 | 湖北三江航天万山特种车辆有限公司 | It is horizontal to stretch semitrailer |
| CN110239299A (en) * | 2019-07-03 | 2019-09-17 | 三一汽车制造有限公司 | Unmanned platform |
-
2021
- 2021-10-24 CN CN202111236894.0A patent/CN113859361B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1021943A2 (en) * | 1999-01-25 | 2000-07-26 | Amazonen-Werke H. Dreyer GmbH & Co. KG | Agricultural spreader |
| CN201751271U (en) * | 2010-06-23 | 2011-02-23 | 长沙中联重工科技发展股份有限公司 | Self-propelled mortar vehicle chassis and mortar vehicle |
| US20150284041A1 (en) * | 2012-12-12 | 2015-10-08 | Scheuerle Fahrzeugfabrik Gmbh | Transport vehicle with variable width and track width and at least one steering axle |
| CN107244353A (en) * | 2017-06-19 | 2017-10-13 | 湖北三江航天万山特种车辆有限公司 | It is horizontal to stretch semitrailer |
| CN110239299A (en) * | 2019-07-03 | 2019-09-17 | 三一汽车制造有限公司 | Unmanned platform |
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| Publication number | Publication date |
|---|---|
| CN113859361B (en) | 2024-03-08 |
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