CN108501628B - Auxiliary supporting wheel device of semitrailer - Google Patents
Auxiliary supporting wheel device of semitrailer Download PDFInfo
- Publication number
- CN108501628B CN108501628B CN201810596416.2A CN201810596416A CN108501628B CN 108501628 B CN108501628 B CN 108501628B CN 201810596416 A CN201810596416 A CN 201810596416A CN 108501628 B CN108501628 B CN 108501628B
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- Prior art keywords
- supporting rod
- hole
- supporting
- semi
- sliding
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- 238000000034 method Methods 0.000 abstract description 5
- 206010039203 Road traffic accident Diseases 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 description 23
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D53/00—Tractor-trailer combinations; Road trains
- B62D53/04—Tractor-trailer combinations; Road trains comprising a vehicle carrying an essential part of the other vehicle's load by having supporting means for the front or rear part of the other vehicle
- B62D53/06—Semi-trailers
Landscapes
- 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
The invention discloses an auxiliary supporting wheel device of a semitrailer, which comprises a semitrailer frame, wherein wheels are arranged at the bottom of the semitrailer frame, auxiliary supporting components are symmetrically arranged at two sides of the wheels, the auxiliary supporting components are installed on the semitrailer frame in a hinged manner, each auxiliary supporting component comprises a supporting rod, one end of each supporting rod is installed on the frame in a hinged manner, the other end of each supporting rod is provided with an auxiliary wheel in a bearing connection manner, the middle part of each supporting rod is provided with a supporting hydraulic cylinder in a hinged manner, the fixed end of each supporting hydraulic cylinder is installed on the semitrailer frame in a hinged manner, one side of each supporting rod, which is opposite to each supporting hydraulic cylinder, is provided with a limiting component, and the bottom of the semitrailer frame is also provided with a ranging sensor; according to the invention, through the arrangement of the auxiliary supporting component, traffic accidents caused by sudden tire burst of the semitrailer in the running process are avoided, the running stability of the auxiliary wheels is ensured by the arrangement of the limiting component, and the replacement and maintenance of the wheels are facilitated by the arrangement of the lifting hydraulic cylinder.
Description
Technical Field
The invention relates to the technical field of semitrailers, in particular to an auxiliary supporting wheel device of a semitrailer.
Background
The semitrailer is a heavy transportation vehicle connected with the semitrailer head through the traction pin, is often used for long-distance transportation, and because the semitrailer is often used for transporting heavy objects and rubs with the ground for a long time, the risk of tire burst is large, and traffic accidents are very easy to occur due to instability of the vehicle when the tire bursts, so that the life safety of drivers and roadside pedestrians is endangered.
Disclosure of Invention
According to the defects of the prior art, the technical problem to be solved by the invention is to provide an auxiliary supporting wheel device of a semitrailer.
The invention solves the technical problems by adopting the following technical scheme:
the utility model provides a semitrailer auxiliary stay wheel device, including the semitrailer frame, the bottom of semitrailer frame is equipped with the wheel, the bilateral symmetry of wheel is equipped with auxiliary stay subassembly, auxiliary stay subassembly is installed on the semitrailer frame through articulated mode, auxiliary stay subassembly includes the bracing piece, the one end of bracing piece is installed on the frame through articulated mode, the auxiliary stay wheel is installed through the mode that the bearing is connected to the other end of bracing piece, the support pneumatic cylinder is installed through articulated mode in the middle part of bracing piece, the stiff end of support pneumatic cylinder is installed on the semitrailer frame through articulated mode, spacing subassembly is installed to one side of bracing piece relative support pneumatic cylinder, the bottom of semitrailer frame still is equipped with the range sensor that detects semitrailer frame and ground distance.
The limiting component comprises a limiting block, the limiting block is arranged at the bottom of the semi-trailer frame, a groove is formed in the middle of the limiting block, through holes are formed in two sides of the groove, limiting holes are formed in one sides where the through holes meet the groove, clamping tongues are arranged in the through holes in a sliding connection mode and blocked by the limiting holes, one ends of the clamping tongues extend into the groove, guide posts are arranged at the other ends of the clamping tongues in a threaded connection mode, springs are sleeved on the guide posts, end covers are arranged on one sides of the through holes corresponding to the groove in a threaded connection mode, the end covers are in contact with the springs, the guide posts penetrate through the end covers and extend outwards, a first boss is arranged at one end of each guide post corresponding to each clamping tongue, and unlocking components are arranged on the first boss.
The second boss and the clamping part are arranged on the clamping tongue, the second boss slides in the through hole, the clamping part penetrates through the limiting hole and extends into the groove, and the clamping part is of a wedge-shaped structure.
The unlocking component comprises an unlocking buckle, the middle part of the unlocking buckle is provided with a clamping hole and a sliding hole, the clamping hole and the sliding hole are concentrically arranged, a first boss is installed in the sliding hole in a sliding connection mode, one side of the unlocking buckle, which is opposite to the clamping hole, is provided with an intermediate plate in a bolt connection mode, an unlocking cylinder is installed between the intermediate plate and the limiting block, and the unlocking cylinder is installed on the limiting block.
The two sides of the supporting rod are symmetrically provided with sliding grooves.
The sliding rail is arranged on the semi-trailer frame along the vertical direction, the sliding block is arranged on the sliding rail in a sliding connection mode, one end of the supporting rod is arranged on the sliding block in a hinged mode, a lifting hydraulic cylinder is arranged on one side of the sliding block opposite to the supporting rod, and the lifting hydraulic cylinder is arranged on the semi-trailer frame.
The beneficial effects of the invention are as follows:
According to the invention, through the arrangement of the auxiliary supporting component, traffic accidents caused by sudden tire burst of the semitrailer in the running process are avoided, the running safety of the vehicle is ensured, the supporting rod is kept in a vertical state by the arrangement of the limiting component, the running stability of the auxiliary wheel is ensured, and the lifting hydraulic cylinder is convenient for replacing and maintaining the wheel.
Drawings
The contents expressed in the drawings of the present specification and the marks in the drawings are briefly described as follows:
FIG. 1 is a schematic view of a semitrailer auxiliary support wheel apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of the semitrailer auxiliary supporting wheel apparatus according to an embodiment of the present invention in use;
fig. 3 is a schematic structural view of a limiting component according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention, such as the shape and construction of the components, the mutual positions and connection relationships between the components, the roles and working principles of the components, the manufacturing process and the operating and using method, etc., will further explain the present invention in detail, so as to help those skilled in the art to more fully understand the present invention.
The utility model provides a semitrailer auxiliary stay wheel device, including semitrailer frame 1, the bottom of semitrailer frame 1 is equipped with wheel 2, wheel 2's bilateral symmetry is equipped with auxiliary stay subassembly, auxiliary stay subassembly is installed on semitrailer frame 1 through articulated mode, auxiliary stay subassembly includes bracing piece 3, the one end of bracing piece 3 is installed on the frame through articulated mode, auxiliary wheel 4 is installed through the mode that the bearing is connected to the other end of bracing piece 3, support pneumatic cylinder 5 is installed through articulated mode in the middle part of bracing piece 3, support pneumatic cylinder 5's stiff end is installed on semitrailer frame 1 through articulated mode, spacing subassembly 6 is installed to one side of bracing piece 3 relative support pneumatic cylinder 5, semitrailer frame 1's bottom still is equipped with the range sensor 7 that detects semitrailer frame 1 and ground distance. When the semi-trailer is used, when the wheels 2 burst, the distance measuring sensor 7 detects that the distance between the semi-trailer frame 1 and the ground changes, information is fed back to the controller, the controller controls the auxiliary supporting component to work, the supporting hydraulic cylinder 5 works, the supporting hydraulic cylinder 5 drives the supporting rod 3 to rotate, the supporting rod 3 drives the auxiliary wheel 4 to contact with the ground, the auxiliary wheel 4 replaces the wheels 2 to work, the limiting component 6 is used for limiting the rotation angle of the supporting rod 3, the supporting rod 3 is fixed, and the stability of the auxiliary supporting component is ensured.
The limiting component 6 comprises a limiting block 61, the limiting block 61 is arranged at the bottom of the semitrailer frame 1, a groove 62 is arranged in the middle of the limiting block 61, through holes 63 are formed in two sides of the groove 62, limiting holes 64 are formed in one sides where the through holes 63 meet the groove 62, the diameter of each limiting hole 64 is smaller than that of each through hole 63, a clamping tongue 65 is arranged in each through hole 63 in a sliding connection mode, each clamping tongue 65 is blocked by the corresponding limiting hole 64, one end of each clamping tongue 65 extends into the corresponding groove 62, a guide pillar 66 is arranged at the other end of each clamping tongue 65 in a threaded connection mode, a spring 67 is sleeved on each guide pillar 66, an end cover 68 is arranged on one side of each through hole 63 corresponding to each groove 62 in a threaded connection mode, each end cover 68 is in contact with each spring 67, each guide pillar 66 penetrates through each end cover 68 and extends outwards, a first boss 69 is arranged at one end of each guide pillar 66 corresponding to each clamping tongue 65, and an unlocking component is arranged on the first boss 69. Wherein, through-hole 63 is equipped with the internal thread for one side of recess 62, is equipped with the external screw thread on the outer circumference of end cover 68, and the internal screw thread cooperates with the external screw thread and realizes the fixed of end cover 68, and the setting of end cover 68 is used for fixed spring 67, guarantees the normal use of spring 67, restricts the position of block tongue 65 simultaneously, avoids block tongue 65 to run out outside through-hole 63.
The second boss 651 and the engaging portion 652 are disposed on the locking tongue 65, the second boss 651 slides in the through hole 63, the engaging portion 652 passes through the limiting hole 64 and extends into the groove 62, and the engaging portion 652 has a wedge-shaped structure. The engaging portion 652 slides in the limiting hole 64, the second boss 651 slides in the through hole 63, so that the latch 65 is prevented from running into the groove 62, and normal operation of the latch 65 is ensured.
The unlocking component comprises an unlocking buckle 610, a clamping hole 611 and a sliding hole 612 are formed in the middle of the unlocking buckle 610, the clamping hole 611 and the sliding hole 612 are concentrically arranged, a first boss 69 is installed in the sliding hole 612 in a sliding connection mode, an intermediate plate 613 is installed on one side of the unlocking buckle 610 opposite to the clamping hole 611 in a bolt connection mode, an unlocking cylinder 614 is installed between the intermediate plate 613 and the limiting block 61, and the unlocking cylinder 614 is installed on the limiting block 61. When the unlocking device is used, the clamping tongue 65 is contracted inwards, the clamping tongue 65 drives the guide post 66 to move outwards, the first boss 69 on the guide post 66 slides in the sliding hole 612, the unlocking cylinder 614 works when unlocking is needed, the unlocking cylinder 614 drives the middle plate 613 to move outwards, the middle plate 613 drives the unlocking buckle 610 to move outwards, the unlocking buckle 610 drives the guide post 66 to move outwards through matching with the first boss 69, and the guide post 66 drives the clamping tongue 65 to move inwards in the through hole 63, so that unlocking is realized.
A slide rail 8 is arranged on the semitrailer frame 1 along the vertical direction, a slide block 9 is arranged on the slide rail 8 in a sliding connection mode, one end of the support rod 3 is arranged on the slide block 9 in a hinged mode, a lifting hydraulic cylinder 10 is arranged on one side of the slide block 9 opposite to the support rod 3, and the lifting hydraulic cylinder 10 is arranged on the semitrailer frame 1. When the semi-trailer is used, the lifting hydraulic cylinder 10 works, the lifting hydraulic cylinder 10 drives the sliding block 9 to move downwards, the sliding block 9 drives the supporting rod 3 to move downwards, the semi-trailer frame 1 is lifted, and the arrangement is convenient for replacing and maintaining the wheels 2.
The two sides of the supporting rod 3 are symmetrically provided with sliding grooves 31. The sliding groove 31 is matched with the clamping tongue 65, and the clamping tongue 65 can slide up and down in the sliding groove 31, so that the lifting hydraulic cylinder 10 can drive the supporting rod 3 to move downwards.
The working principle is as follows:
When the wheels 2 burst, the distance measuring sensor 7 detects that the distance between the semitrailer frame 1 and the ground changes, information is fed back to the controller, the controller controls the supporting hydraulic cylinder 5 to work, the supporting hydraulic cylinder 5 drives the supporting rod 3 to rotate, the supporting rod 3 drives the auxiliary wheel 4 to contact with the ground and support the frame to replace the wheels 2 to work, when the supporting rod 3 enters the limiting block 61, the supporting rod 3 drives the clamping tongue 65 to move towards the through hole 63, when the sliding groove 31 is opposite to the clamping tongue 65, the clamping tongue 65 is clamped into the sliding groove 31 under the action of the spring 67, the fixing of the supporting rod 3 is realized, meanwhile, the limiting block 61 enables the supporting rod 3 to keep a vertical state, and the running stability of the auxiliary wheel 4 is ensured;
when the tire is required to be replaced, the lifting hydraulic cylinder 10 works, the lifting hydraulic cylinder 10 drives the sliding block 9 to move downwards, the sliding block 9 drives the supporting rod 3 to move downwards, and the semitrailer frame 1 is lifted;
When the tire is replaced, the lifting hydraulic cylinder 10 works, the lifting hydraulic cylinder 10 drives the sliding block 9 to move upwards, the sliding block 9 drives the supporting rod 3 to move upwards, the unlocking cylinder 614 works, the unlocking cylinder 614 drives the middle plate 613 to move outwards, the middle plate 613 drives the unlocking buckle 610 to move outwards, the unlocking buckle 610 drives the guide post 66 to move outwards through the cooperation of the first boss 69, the guide post 66 drives the clamping tongue 65 to move inwards towards the through hole 63, the clamping tongue 65 is separated from the sliding groove 31, the supporting hydraulic cylinder 5 drives the supporting rod 3 to rotate, and the supporting rod 3 drives the auxiliary wheel 4 to be separated from the ground and is recovered to the bottom of the frame for standby; according to the invention, through the arrangement of the auxiliary supporting component, traffic accidents caused by sudden tire burst of the semitrailer in the running process are avoided, the running safety of the vehicle is ensured, the supporting rod is kept in a vertical state by the arrangement of the limiting component, the running stability of the auxiliary wheel is ensured, and the lifting hydraulic cylinder is convenient for replacing and maintaining the wheel.
While the invention has been described above by way of example, it will be apparent that the invention is not limited to the above embodiments, but is intended to cover various insubstantial modifications of the method concepts and technical solutions of the invention, or applications of the inventive concepts and technical solutions without modifications, as are within the scope of the invention. The protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (3)
1. The utility model provides a semitrailer auxiliary stay wheel device which characterized in that: the device comprises a semi-trailer frame, wheels are arranged at the bottom of the semi-trailer frame, auxiliary supporting components are symmetrically arranged on two sides of the wheels and are installed on the semi-trailer frame in a hinged mode, each auxiliary supporting component comprises a supporting rod, one end of each supporting rod is installed on the frame in a hinged mode, the other end of each supporting rod is provided with an auxiliary wheel in a bearing connection mode, a supporting hydraulic cylinder is installed in the middle of each supporting rod in a hinged mode, a fixed end of each supporting hydraulic cylinder is installed on the semi-trailer frame in a hinged mode, a limiting component is installed on one side of each supporting rod, which is opposite to each supporting hydraulic cylinder, and a distance measuring sensor for detecting the distance between the semi-trailer frame and the ground is further arranged at the bottom of the semi-trailer frame;
The limiting component comprises a limiting block, the limiting block is arranged at the bottom of the semi-trailer frame, a groove is formed in the middle of the limiting block, through holes are formed in two sides of the groove, a limiting hole is formed in one side where the through holes meet the groove, a clamping tongue is arranged in the through holes in a sliding connection mode, the clamping tongue is blocked by the limiting hole, one end of the clamping tongue extends into the groove, a guide post is arranged at the other end of the clamping tongue in a threaded connection mode, a spring is sleeved on the guide post, an end cover is arranged on one side of the through hole, opposite to the groove, in a threaded connection mode, and is in contact with the spring, the guide post penetrates through the end cover and extends outwards, one end of the guide post opposite to the clamping tongue is provided with a first boss, and an unlocking component is arranged on the first boss;
the second boss slides in the through hole, and the clamping part penetrates through the limiting hole and extends into the groove, and the clamping part is of a wedge-shaped structure;
The unlocking assembly comprises an unlocking buckle, a clamping hole and a sliding hole are formed in the middle of the unlocking buckle, the clamping hole and the sliding hole are arranged concentrically, a first boss is installed in the sliding hole in a sliding connection mode, an intermediate plate is installed on one side of the unlocking buckle, which is opposite to the clamping hole, in a bolt connection mode, an unlocking cylinder is installed between the intermediate plate and the limiting block, and the unlocking cylinder is installed on the limiting block.
2. A semitrailer auxiliary support wheel apparatus as claimed in claim 1, wherein: and sliding grooves are symmetrically arranged on two sides of the supporting rod.
3. A semitrailer auxiliary support wheel apparatus as claimed in claim 1, wherein: the semi-trailer is characterized in that a sliding rail is arranged on the semi-trailer frame along the vertical direction, a sliding block is arranged on the sliding rail in a sliding connection mode, one end of a supporting rod is arranged on the sliding block in a hinged mode, a lifting hydraulic cylinder is arranged on one side, opposite to the supporting rod, of the sliding block, and the lifting hydraulic cylinder is arranged on the semi-trailer frame.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810596416.2A CN108501628B (en) | 2018-06-11 | 2018-06-11 | Auxiliary supporting wheel device of semitrailer |
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Application Number | Priority Date | Filing Date | Title |
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CN201810596416.2A CN108501628B (en) | 2018-06-11 | 2018-06-11 | Auxiliary supporting wheel device of semitrailer |
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CN108501628A CN108501628A (en) | 2018-09-07 |
CN108501628B true CN108501628B (en) | 2024-05-24 |
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CN201810596416.2A Active CN108501628B (en) | 2018-06-11 | 2018-06-11 | Auxiliary supporting wheel device of semitrailer |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111348008A (en) * | 2020-03-09 | 2020-06-30 | 舒城成达车业有限公司 | Novel semitrailer frame |
CN111483438B (en) * | 2020-04-29 | 2022-02-08 | 唐山大成路桥有限公司 | Tire type paver climbing auxiliary device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990019980A (en) * | 1997-08-30 | 1999-03-25 | 양재신 | Vehicle tire puncture warning device |
KR200225403Y1 (en) * | 2000-11-28 | 2001-06-01 | 주식회사그로텍 | A auxiliary wheel apparatus of car |
CN203925026U (en) * | 2014-07-09 | 2014-11-05 | 重庆大江工业有限责任公司 | A kind of Wedge type spring detent locking device |
CN208376446U (en) * | 2018-06-11 | 2019-01-15 | 安徽华兴车辆有限公司 | A kind of semitrailer Auxiliary support wheel apparatus |
-
2018
- 2018-06-11 CN CN201810596416.2A patent/CN108501628B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990019980A (en) * | 1997-08-30 | 1999-03-25 | 양재신 | Vehicle tire puncture warning device |
KR200225403Y1 (en) * | 2000-11-28 | 2001-06-01 | 주식회사그로텍 | A auxiliary wheel apparatus of car |
CN203925026U (en) * | 2014-07-09 | 2014-11-05 | 重庆大江工业有限责任公司 | A kind of Wedge type spring detent locking device |
CN208376446U (en) * | 2018-06-11 | 2019-01-15 | 安徽华兴车辆有限公司 | A kind of semitrailer Auxiliary support wheel apparatus |
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CN108501628A (en) | 2018-09-07 |
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Address after: 236000 No.16, Qiyunshan Road, Fuhe modern industrial park, Fuyang City, Anhui Province Applicant after: ANHUI HUAXING VEHICLE Co.,Ltd. Address before: 236700 Yanling Avenue, Lixin County Industrial Park, Bozhou City, Anhui Province Applicant before: ANHUI HUAXING VEHICLE Co.,Ltd. |
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