CN112319156B - Traction device of road surface friction coefficient test vehicle - Google Patents
Traction device of road surface friction coefficient test vehicle Download PDFInfo
- Publication number
- CN112319156B CN112319156B CN202011225372.6A CN202011225372A CN112319156B CN 112319156 B CN112319156 B CN 112319156B CN 202011225372 A CN202011225372 A CN 202011225372A CN 112319156 B CN112319156 B CN 112319156B
- Authority
- CN
- China
- Prior art keywords
- damper
- fixed mounting
- frame
- rectangle frame
- rotary mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000013016 damping Methods 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/24—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions
- B60D1/243—Traction couplings; Hitches; Draw-gear; Towing devices characterised by arrangements for particular functions for protection in case of crash, collision, impact, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/14—Draw-gear or towing devices characterised by their type
- B60D1/145—Draw-gear or towing devices characterised by their type consisting of an elongated single bar or tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Vibration Dampers (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a traction device of a road surface friction coefficient testing vehicle, and relates to the technical field of engineering machinery. Including first mounting bracket, be provided with first rotary mechanism in the first mounting bracket, the left surface fixed mounting of connecting block has first rectangle frame, be provided with first damper in the first rectangle frame, the fixed mounting of the left surface of connecting rod has the second mounting bracket, be provided with second rotary mechanism in the second mounting bracket, second rotary mechanism's upper surface fixed mounting has the second rectangle frame, be provided with second damper in the second rectangle frame. According to the invention, the traction device is provided with multidirectional angle adjustment through the first rotating mechanism and the second rotating mechanism, so that the stress and the non-working load of the traction device are reduced, the service life is prolonged, the damping function is increased through the first damping mechanism and the second damping mechanism, and the accuracy of the detection result is improved.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a traction device of a road surface friction coefficient testing vehicle.
Background
The road friction coefficient test vehicle can output test reports according to formats of different areas, provides accurate daily road surface transverse friction coefficient values, serves as a part of road surface maintenance and provides basis for the road surface transverse friction coefficient values, the road friction coefficient test vehicle is connected with other tractors through a traction device, and then the road friction coefficient test vehicle is driven to move, but the following problems still exist when the existing road friction coefficient test vehicle traction device is used:
1. In the prior art, the traditional traction device can only carry out angle fine adjustment through the saddle, so that the traction rod needs to bear larger deformation and non-working load, and the service life of the traction device is greatly reduced;
2. in the prior art, the traction device does not have a damping function, vibration generated by the traction vehicle is transmitted to the road friction coefficient test vehicle through the traction device, so that the road friction coefficient test vehicle vibrates, and the detection result is inaccurate.
Disclosure of Invention
The invention provides a traction device of a road surface friction coefficient test vehicle, which has the advantages of multidirectional angle adjustment, reduction of stress and non-working load of the traction device, improvement of service life, increase of damping function and improvement of accuracy of a detection result, and aims to solve the problems that the traction device can only conduct angle fine adjustment through a saddle, the service life is low, the damping function is not provided, and the detection result is inaccurate.
In order to realize multidirectional angle adjustment, reduce stress and non-working load of a traction device, prolong service life, increase shock absorption function and improve accuracy of detection results, the invention provides the following technical scheme: the utility model provides a road surface friction coefficient test car draw gear, includes first mounting bracket, be provided with first rotary mechanism in the first mounting bracket, first rotary mechanism includes pivot, bearing and connecting block, the pivot passes through bearing fixed mounting on the upper and lower both sides inner wall of first mounting bracket, the left surface fixed mounting of pivot has the connecting block, the left surface fixed mounting of connecting block has first rectangle frame, be provided with first damper in the first rectangle frame, first damper includes spring, fixed block, connecting rod and guide block, spring fixed mounting is on first rectangle frame left side inner wall, the right flank fixed mounting of spring has the fixed block, the left surface fixed mounting of fixed block has the connecting rod, and the connecting rod inserts outside first rectangle frame left side wall, the equal fixed mounting of upper and lower both sides face of fixed block has the guide block, and the guide block activity inserts in locating the upper and lower lateral wall of first rectangle frame, the fixed mounting of the left surface of connecting rod has the second mounting bracket, be provided with second rotary mechanism in the second mounting bracket, the second rotary mechanism's upper rectangular surface fixed mounting bracket has the second buckle to install on the second damper.
As a preferable technical scheme of the invention, a through hole for the connecting rod to pass through is formed in the position, corresponding to the connecting rod, of the first rectangular frame.
As a preferable technical scheme of the invention, guide holes are formed in the upper side wall and the lower side wall of the first rectangular frame and correspond to the guide blocks, and the guide blocks are movably inserted into the guide holes.
As a preferable technical scheme of the invention, the second rotating mechanism has the same structure as the first rotating mechanism, and the second rotating mechanism rotates ninety degrees forwards for the first rotating mechanism.
As a preferable technical scheme of the invention, the second damping mechanism has the same structure as the first damping mechanism, and is in a state of being vertically placed.
As a preferable technical scheme of the invention, the buckling mechanism comprises a U-shaped frame, threaded holes and bolt rods, wherein the upper side wall and the lower side wall of the U-shaped frame are respectively provided with the threaded holes, and the bolt rods are arranged in the threaded holes in a threaded manner.
Compared with the prior art, the invention provides the traction device of the road surface friction coefficient test vehicle, which has the following beneficial effects:
1. This road surface friction coefficient test car draw gear makes connecting block on the pivot can the horizontal direction rotate through setting up first rotary mechanism middle bearing, makes first rectangle frame can the horizontal direction rotate, and the same second rotary mechanism makes the perpendicular direction rotation of second rectangle frame, makes this draw gear possess multi-direction angle modulation, reduces draw gear atress and non-work load, improves life.
2. This road surface friction coefficient test car draw gear through the shock attenuation effect that sets up the spring increase connecting rod among the first damper, makes first rectangle frame possess horizontal buffer function, and the same second damper makes the second rectangle frame possess vertical direction's buffer function, increases this draw gear's shock attenuation function, effectively avoids road friction coefficient test car vibration, improves the accuracy of testing result.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
Fig. 2 is a cross-sectional view of the present invention.
In the figure: 1. a first mounting frame; 2. a first rotation mechanism; 201. a rotating shaft; 202. a bearing; 203. a connecting block; 3. a first rectangular frame; 4. a first shock absorbing mechanism; 401. a spring; 402. a fixed block; 403. a connecting rod; 404. a guide block; 5. a second mounting frame; 6. a second rotation mechanism; 7. a second rectangular frame; 8. a second shock absorbing mechanism; 9. a buckle mechanism; 901. a U-shaped frame; 902. a threaded hole; 903. a bolt rod; 10. a through hole; 11. and a guide hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the invention discloses a traction device of a road surface friction coefficient testing vehicle, which comprises a first mounting frame 1, wherein a first rotating mechanism 2 is arranged in the first mounting frame 1, the first rotating mechanism 2 comprises a rotating shaft 201, a bearing 202 and a connecting block 203, the rotating shaft 201 is fixedly arranged on the inner walls of the upper side and the lower side of the first mounting frame 1 through the bearing 202, the left side surface of the rotating shaft 201 is fixedly provided with the connecting block 203, the left side surface of the connecting block 203 is fixedly provided with a first rectangular frame 3, a first damping mechanism 4 is arranged in the first rectangular frame 3, the first damping mechanism 4 comprises a spring 401, a fixing block 402, a connecting rod 403 and a guide block 404, the spring 401 is fixedly arranged on the inner wall of the left side of the first rectangular frame 3, the right side surface of the spring 401 is fixedly provided with the fixing block 402, the left side surface of the fixing block 402 is fixedly provided with the connecting rod 403, the upper side surface and the lower side surface of the connecting block 403 is fixedly provided with the first rectangular frame 3, the second damping mechanism is fixedly arranged on the left side surface of the second mounting frame 8, and the second damping mechanism 5 is fixedly arranged on the surface of the second mounting frame 7, and the second damping mechanism 5 is fixedly arranged on the surface of the second mounting frame 8.
Specifically, the first rectangular frame 3 is provided with a through hole 10 corresponding to the connecting rod 403 for the connecting rod 403 to pass through.
In this embodiment, the through hole 10 facilitates the installation of the connecting rod 403, so that the connecting rod 403 can move left and right.
Specifically, the upper and lower side walls of the first rectangular frame 3 are provided with guide holes 11 corresponding to the guide blocks 404, and the guide blocks 404 are movably inserted into the guide holes 11.
In this embodiment, the guide block 404 moves left and right in the guide hole 11 along with the fixing block 402, so as to guide the connecting rod 403, and avoid the spring 401 from being excessively distorted and damaged.
Specifically, the second rotating mechanism 6 has the same structure as the first rotating mechanism 2, and the second rotating mechanism 6 rotates ninety degrees forward for the first rotating mechanism 2.
In the present embodiment, the second rotation mechanism 6 allows the second rectangular frame 7 to rotate in the vertical direction.
Specifically, the second damping mechanism 8 has the same structure as the first damping mechanism 4, and the second damping mechanism 8 is in a state of being vertically placed by the first damping mechanism 4.
In the present embodiment, the second damper mechanism 8 adds a damper function in the vertical direction of the second rectangular frame 7.
Specifically, the fastening mechanism 9 includes a U-shaped frame 901, a threaded hole 902 and a bolt 903, the upper and lower side walls of the U-shaped frame 901 are provided with threaded holes 902, and the bolt 903 is screwed in the threaded holes 902.
In this embodiment, the bolt 903 is screwed into the threaded hole 902, so that a sealed space is formed between the bolt 903 and the U-shaped frame 901, and the bolt can be connected with a tractor and a road friction coefficient testing vehicle.
The working principle and the using flow of the invention are as follows: when the device is used, the bolt rods 903 are arranged in the threaded holes 902 in the buckling mechanism 9 on the right side of the first installation frame 1 in a threaded manner, a sealing space is formed between the bolt rods 903 and the U-shaped frame 901, the device can be connected with a road friction coefficient testing vehicle, the buckling mechanism 9 on the second damping mechanism 8 is connected with a tractor, the connecting block 203 on the rotating shaft 201 can rotate in the horizontal direction through the bearing 202 in the first rotating mechanism 2, the first rectangular frame 3 can rotate in the horizontal direction, the second rectangular frame 7 can rotate in the vertical direction in the same manner as the second rotating mechanism 6, the traction device is provided with multi-directional angle adjustment, the stress and the non-working load of the traction device are reduced, the service life is prolonged, the damping effect of the connecting rod 403 is increased through the spring 401 in the first damping mechanism 4, the first rectangular frame 3 is provided with the horizontal buffering function, the second rectangular frame 7 is provided with the vertical buffering function in the same manner as the second damping mechanism 8, the vibration of the traction device is increased, the road friction coefficient testing vehicle is effectively prevented from vibrating, and the accuracy of the detection result is improved.
In summary, according to the traction device of the road surface friction coefficient testing vehicle, the traction device is provided with multi-directional angle adjustment through the first rotating mechanism 2 and the second rotating mechanism 6, stress and non-working load of the traction device are reduced, service life is prolonged, damping functions are increased through the first damping mechanism 4 and the second damping mechanism 8, and accuracy of detection results is improved.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a road surface friction coefficient test car draw gear, includes first mounting bracket (1), its characterized in that: the utility model discloses a first mounting bracket (1) is internally provided with a first rotary mechanism (2), first rotary mechanism (2) includes pivot (201), bearing (202) and connecting block (203), pivot (201) are through bearing (202) fixed mounting on the upper and lower both sides inner wall of first mounting bracket (1), the left surface fixed mounting of pivot (201) has connecting block (203), the left surface fixed mounting of connecting block (203) has first rectangle frame (3), be provided with first damper (4) in first rectangle frame (3), first damper (4) include spring (401), fixed block (402), connecting rod (403) and guide block (404), spring (401) fixed mounting is on the left inner wall of first rectangle frame (3), the right flank fixed mounting of spring (401) has fixed block (402), the left surface fixed mounting of fixed block (402) has connecting rod (403), and connecting rod (403) are inserted and are located first rectangle frame (3) left side wall outside, the upper and lower side of fixed mounting bracket (403) has both sides fixed mounting bracket (404) and guide block (404), a second rotating mechanism (6) is arranged in the second mounting frame (5), a second rectangular frame (7) is fixedly arranged on the upper surface of the second rotating mechanism (6), a second damping mechanism (8) is arranged in the second rectangular frame (7), and a clamping mechanism (9) is arranged on the upper surface of the second damping mechanism (8) and the right side surface of the first mounting frame (1);
The utility model discloses a screw bolt, including first rectangle frame (3), second rotary mechanism (6), first rotary mechanism (2), second damper (8), first damper (4) structure is the same, second damper (8) is first damper (4) vertical placement state, guide hole (11) have all been seted up with guide block (404) corresponding position on the upper and lower lateral wall of first rectangle frame (3), guide block (404) activity is inserted and is located in guide hole (11), second rotary mechanism (6) is the same with first rotary mechanism (2) structure, and second rotary mechanism (6) is first rotary mechanism (2) forward rotation ninety degrees, second damper (8) is first damper (4) structure the same, buckle mechanism (9) are including U type frame (901), screw hole (902) and bolt (903), screw hole (902) are all seted up to the upper and lower lateral wall of U type frame (901), bolt (903) are installed to the screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011225372.6A CN112319156B (en) | 2020-11-05 | 2020-11-05 | Traction device of road surface friction coefficient test vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011225372.6A CN112319156B (en) | 2020-11-05 | 2020-11-05 | Traction device of road surface friction coefficient test vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112319156A CN112319156A (en) | 2021-02-05 |
| CN112319156B true CN112319156B (en) | 2024-08-23 |
Family
ID=74316153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011225372.6A Active CN112319156B (en) | 2020-11-05 | 2020-11-05 | Traction device of road surface friction coefficient test vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112319156B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107696808A (en) * | 2017-10-09 | 2018-02-16 | 江阴市永昌交通机械部件有限公司 | A kind of adjustable traffic machinery draw-gear |
| CN210591258U (en) * | 2019-07-16 | 2020-05-22 | 南京力衡海得科工业设备有限公司 | Trailer connecting mechanism for storage tractor |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2233232C (en) * | 1997-06-02 | 2002-05-28 | Robert D. Van Vleet | Two way cushioning trailer hitch |
| US7377536B2 (en) * | 2006-05-12 | 2008-05-27 | Rehme Mark L | Shock absorbing trailer hitch |
| KR101341743B1 (en) * | 2009-12-17 | 2013-12-16 | 현대중공업 주식회사 | Semi-automatic drawbar for two vehicle |
| JP3158568U (en) * | 2010-01-25 | 2010-04-08 | 株式会社豊田自動織機 | Connecting device for vehicle |
| KR102152966B1 (en) * | 2020-05-06 | 2020-09-07 | 이승관 | Trailer coupling appratus |
-
2020
- 2020-11-05 CN CN202011225372.6A patent/CN112319156B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107696808A (en) * | 2017-10-09 | 2018-02-16 | 江阴市永昌交通机械部件有限公司 | A kind of adjustable traffic machinery draw-gear |
| CN210591258U (en) * | 2019-07-16 | 2020-05-22 | 南京力衡海得科工业设备有限公司 | Trailer connecting mechanism for storage tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112319156A (en) | 2021-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SG176850A1 (en) | Guide rail type vehicle with guide device | |
| CN108361319B (en) | Rubber shock absorber control system | |
| CA2175883C (en) | Frame beaming reduction assembly | |
| CN112319156B (en) | Traction device of road surface friction coefficient test vehicle | |
| Xu et al. | An analysis of the self-excited torsional vibration of high-speed train drive system | |
| CN110803012A (en) | Power assembly suspension system | |
| CN103884612A (en) | Suspended fixing device and suspending rigidity testing equipment | |
| CN201800539U (en) | Auxiliary suspension device for gearbox | |
| CN203157717U (en) | Middle supporting device, rear axle driving system with middle supporting device and vehicle with middle supporting device | |
| CN211855852U (en) | Be applied to accelerator pedal stop gear of accelerator pedal robot | |
| CN212082702U (en) | Mounting support for vehicle-mounted pressure sensor | |
| CN210859654U (en) | Dynamic vibration absorber of urban rail vehicle body based on quasi-zero stiffness principle | |
| CN211930417U (en) | Three-phase asynchronous motor with adjustable base | |
| CN2885799Y (en) | Roller guide shock-absorbing device | |
| CN207050994U (en) | A kind of guider of flat board brake test bench | |
| CN218948933U (en) | Automobile oil pipe fixing support with high installation accuracy | |
| CN221723317U (en) | Active air-float vibration-isolation optical measuring device | |
| CN221293496U (en) | Bogie gear box stop structure and suspension type monorail train | |
| CN220904687U (en) | Radiator mounting structure | |
| CN219632344U (en) | Airfoil impact buffering balancing device | |
| CN214083865U (en) | Accuse screen bearing structure in car | |
| CN220465171U (en) | Swing arm mechanism with dustproof construction | |
| CN219692119U (en) | Automobile buffer | |
| CN218906826U (en) | Shock-absorbing device for tractor | |
| CN221070574U (en) | Rolling guide shoe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |