CN209764440U - wheel friction performance testing device - Google Patents
wheel friction performance testing device Download PDFInfo
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- CN209764440U CN209764440U CN201920307150.5U CN201920307150U CN209764440U CN 209764440 U CN209764440 U CN 209764440U CN 201920307150 U CN201920307150 U CN 201920307150U CN 209764440 U CN209764440 U CN 209764440U
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Abstract
The utility model discloses a wheel friction performance testing arrangement relates to bicycle production processing equipment, aims at solving the unable meeting of past testing arrangement and is done wheel side direction slip test work, the not good problem of result of use, and its technical scheme main points are: including the testboard, set up fixing device and the frame that is used for fixed wheel above the testboard, the frame includes a plurality of vertical pillars of fixing on the testboard, be connected with the slide bar of horizontal extension on the pillar, the slide bar slides and is connected with the sliding sleeve of adaptation, fixing device connects the lower part at the sliding sleeve. The utility model discloses a wheel friction performance testing arrangement, it can make things convenient for the staff to accomplish the sideslip test to the wheel to more comprehensive is friction performance test to the wheel, thereby guarantees the wheel quality.
Description
Technical Field
The utility model relates to a bicycle production and processing equipment, more specifically say, it relates to a wheel friction performance testing arrangement.
Background
The bicycle is a healthy and natural sport and travel mode, and is increasingly popular with people. When riding, a bicycle is an indispensable tool, and the power, the damping performance, the weight and the like of the bicycle are important considerations for users. Wherein the quality of the wheels has a great influence on the performance of the whole vehicle and the riding safety. In order to ensure the quality of the produced and processed bicycles, most production methods need to test the friction performance of the processed wheels.
At present, the friction performance of the wheel is mostly measured only by detecting the distance that the wheel continues to slide after the bicycle is braked, and during practical use, many riders have safety accidents but cause the wheel to slide laterally, so that the wheel needs to be tested in a lateral sliding mode, the friction performance of the wheel at the moment is detected, the existing most devices cannot meet the requirement, and therefore a new scheme needs to be provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a wheel friction performance testing arrangement, it can make things convenient for the staff to accomplish the sideslip test to the wheel to more comprehensive is friction performance test to the wheel, thereby guarantees the wheel quality.
the above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a wheel friction performance testing arrangement, includes the testboard, sets up fixing device and the frame that is used for fixed wheel above the testboard, the frame includes a plurality of vertical pillars of fixing on the testboard, be connected with the slide bar of horizontal extension on the pillar, the slide bar slides and is connected with the sliding sleeve of adaptation, fixing device connects the lower part at the sliding sleeve.
Through adopting above-mentioned technical scheme, the staff can fix the wheel on fixing device, and rethread promotes fixing device, makes it slide along the slide bar through the sliding sleeve and simulate the wheel and slide and do the friction properties test, only needs the pivot direction of guaranteeing the wheel this moment to be on a parallel with the length direction of slide bar, can carry out the wheel lateral slip test to more comprehensive be the friction properties test to the wheel, thereby guarantee the wheel quality.
The utility model discloses further set up to: the test bench includes the base and sets up the simulation bottom plate on the base, simulation bottom plate and base are the connection of dismantling.
Through adopting above-mentioned technical scheme, the staff can change the simulation bottom plate of different materials as required to the frictional behavior of simulation wheel on the road surface of different materials, thereby test effect is better.
The utility model discloses further set up to: the base is provided with a simulation trough which is of an upper opening structure, and the simulation bottom plate is matched with the simulation trough and clamped in the simulation trough.
Through adopting above-mentioned technical scheme, the staff can also dismantle the simulation bottom plate from the simulation silo when necessary, then add simulation grit way such as grit in the simulation silo, thereby further improve the utility model discloses a test effect.
The utility model discloses further set up to: the base side is encircleed and is provided with limit side guard plate, surround the base on the avris slide and seted up the dirty groove of collection, the dirty groove of collection is opening structure.
Through adopting above-mentioned technical scheme, can utilize the dirty groove of collection to concentrate the grit etc. of following the simulation silo in the splash to avoid the assay pollution test place of sputtering in the testing process, thereby the utility model discloses a test effect is better.
The utility model discloses further set up to: the upper opening of the dirt collecting groove is far away from one side of the base and extends upwards to form a flange.
By adopting the technical scheme, the blocking edges can be used for blocking sand and stones sputtered out of the simulation material groove so as to optimize the collection effect of the dirt collection groove.
the utility model discloses further set up to: the side guard plate comprises a plurality of sub guard plates, each sub guard plate is respectively matched with each side of the base, and the sub guard plates are detachably connected to the base.
Through adopting above-mentioned technical scheme, the staff can pull down the sub-backplate from the base and clear up when necessary to guarantee its result of use.
The utility model discloses further set up to: the upper end of pillar is fixed with the last ejector pin of horizontal extension, upward the spout has been seted up along length direction on the ejector pin, the end fixing of slide bar has the slider that agrees with the spout, the slider slides and connects in the spout, and threaded connection has positioning bolt, positioning bolt's screw rod end is worn out slider and butt in the spout.
By adopting the technical scheme, a worker can determine whether the sliding block can slide relative to the sliding groove by rotating the positioning bolt to change whether the positioning bolt abuts against the sliding groove, namely whether the sliding rod can slide along the sliding groove; because the slide bar can the lateral sliding change position, so the utility model discloses an suitability is stronger, because the size of wheel is different, the position of its relative base must be different, if the position of slide bar is variable, then fixing device, the position of wheel is variable promptly to can guarantee that the wheel is arranged in the suitable position of base top all the time.
The utility model discloses further set up to: the fixing device comprises a vertical connecting rod fixed on the sliding sleeve, a connecting plate fixed at the lower end of the vertical connecting rod and a connecting shaft rod arranged at the lower part of the connecting plate, wherein the connecting shaft rod vertically extends downwards, and the lower part of the connecting shaft rod is provided with a transverse through hole for the wheel rotating shaft to pass through.
Through adopting above-mentioned technical scheme, the staff can insert the pivot of wheel in the horizontal through-hole and fixed to on the realization is fixed in fixing device with the wheel, and loop through even axostylus axostyle, connecting plate and perpendicular connecting rod realization are connected fixedly with the sliding sleeve.
To sum up, the utility model discloses following beneficial effect has: be provided with testboard simulation road surface, be provided with fixing device on the testboard and be used for fixed wheel, and be provided with the frame and connect fixing device, and fixing device and frame are the connection of transversely sliding again, thereby the staff can fix the wheel on fixing device, rethread promotes fixing device, make its simulation wheel that slides slide and do the friction properties test, only need to guarantee that the pivot direction of wheel is on a parallel with fixing device's the direction of sliding this moment, can carry out the wheel lateral direction test of sliding, do the friction properties test to the wheel with more comprehensive, thereby guarantee the wheel quality.
Drawings
Fig. 1 is a schematic structural view of the present invention, showing the overall structure;
Fig. 2 is a partial exploded view of the first embodiment of the present invention, which is mainly used to show the structure of the test board and the rack;
Fig. 3 is a second partial exploded view of the present invention, which is mainly used to show the structure of the fixing device;
Fig. 4 is an exploded view of the pushing device of the present invention.
In the figure: 1. a test bench; 11. a base; 111. a simulation trough; 12. simulating a bottom plate; 2. a fixing device; 21. a vertical connecting rod; 211. fixing the rod; 212. a movable rod; 213. a telescopic groove; 214. a second positioning bolt; 22. a connecting plate; 23. a connecting shaft rod; 231. a transverse through hole; 3. a frame; 31. a pillar; 32. an ejector rod is arranged; 321. a chute; 33. a slide bar; 331. a slider; 332. positioning the bolt; 34. a sliding sleeve; 4. a side guard plate; 40. a guard plate; 41. a sewage collecting tank; 42. blocking edges; 5. a pushing device; 50. a movable frame; 51. an electromagnetic guide sleeve; 52. a push rod; 53. a magnetic block; 54. an electromagnet.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
The wheel friction performance testing device, referring to fig. 1, includes a testing table 1, a fixing device 2 arranged above the testing table 1 and used for fixing a wheel, a frame 3 used for connecting the fixing device 2, and a pushing device 5 used for applying a pushing force. During the use, the staff is fixed the wheel through fixing device 2, utilizes pusher 5 to promote its lateral slip (along the pivot direction) on testboard 1, judges its frictional behavior through detecting wheel sliding distance.
Referring to fig. 2, the test stand 1 includes a base 11 and a dummy base plate 12. The base 11 is in a cuboid shape, a simulation trough 111 is arranged at the upper part of the base 11, and the simulation trough 111 is in an upper opening structure; the simulation bottom plate 12 fits the simulation trough 111, and can be fixed with the base 11 in a manner of being clamped in the simulation trough 111.
During the use, the staff can change the simulation bottom plate 12 of different materials as required, or will simulate bottom plate 12 and dismantle and place simulation road conditions such as grit in simulation silo 111 to detect the frictional behavior of wheel on the road surface of different materials, thereby the utility model discloses a test effect is better.
Referring to fig. 2, in order to prevent sand and stone from escaping from the test site during the test of the sand and stone and the like in the simulation trough 111, a side guard plate 4 is arranged on the side surface of the base 11 in a surrounding manner, the side guard plate 4 comprises four sub guard plates 40 which are respectively matched with the length of each side of the base 11, and the guard plates 40 are fixed on the base 11 through bolts so as to be convenient to mount and dismount.
The sub-guard plate 40 is provided with a dirt collecting groove 41 along the length direction thereof, the dirt collecting groove 41 is provided with an upper opening, the edge position of one side of the opening close to the base 11 is lower than the height of the base 11, and the edge of one side of the opening far away from the base 11 extends upwards to form a flange 42. The grit etc. of the simulation silo 111 that splashes out in the test process this moment can be blockked by flange 42 to enter dirty groove 41 of collection, with effectively preventing the utility model discloses pollute the test site in the test process.
Referring to fig. 2, the frame 3 includes a plurality of posts 31, and the posts 31 are installed and fixed at four angular positions of the base 11 and extend vertically upward. Four upper push rods 32 extending transversely are fixed to the upper portion of the pillar 31, and the four upper push rods 32 extend along the edge of the inner base 11 and are surrounded to form a frame-shaped structure. A laterally extending slide bar 33 is attached to one upper rod 32, and the other end of the slide bar 33 extends toward and is attached to the other symmetrical upper rod 32. The sliding rod 33 is sleeved with a sliding sleeve 34 which is matched with the sliding rod 33, and the sliding sleeve 34 can slide relative to the sliding rod 33. Two sliding rods 33 are arranged and are parallel to each other; the sliding sleeves 34 are four, and two sliding rods 33 correspond to each other. The fixture 2 is connected to the sliding sleeve 34.
When the pushing device 5 (shown in fig. 1) applies a force to the fixing device 2, the fixing device 2 slides along the length direction of the sliding rod 33 through the sliding sleeve 34, so as to drive the wheel fixed by the fixing device 2 to slide laterally.
Referring to fig. 2, the different wheels have different sizes, which results in different positions of the middle point after being fixed by the fixing device 2, and at this time, in order to ensure the testing effect, the utility model discloses but set up the middle point position as the transverse adjustable wheel, that is, the slide bar 33 can slide along the transverse direction perpendicular to it.
A sliding groove 321 is formed in the upper ejector rod 32 along the length direction, and the sliding groove 321 is an upper opening; the sliding blocks 331 are fixed at two ends of the sliding rod 33 and fit with the sliding grooves 321, and the sliding blocks 331 are connected to the sliding grooves 321 in a sliding manner, so that the sliding rod 33 can slide along a direction transversely perpendicular to the sliding rod. In order to position the sliding block 331 after the position is adjusted, a positioning bolt 332 is threadedly connected to the sliding block 331, and a screw of the positioning bolt 332 penetrates through the sliding block 331 and abuts against the sliding slot 321, so that the sliding block 331 can be positioned by the positioning bolt 332.
Referring to fig. 2, a mounting plate is fixed to the lower portions of the two sliding sleeves 34 by bolts, and the fixing device 2 is fixed to the lower portion of the mounting plate. The fixing device 2 includes a vertical link 21, a connecting plate 22 fixed to a lower end of the vertical link 21, and two connecting rods 23 disposed at a lower portion of the connecting plate 22. The lower end of the connecting shaft rod 2 is provided with two transverse through holes 231 for the wheel rotating shaft to pass through.
During the use, the wheel is arranged in between two even axostylus axostyles 23, and the both ends of wheel pivot insert respectively and locate two horizontal through-holes 231 in to the realization is fixed to the wheel.
In order to place the wheel between the two connecting shafts 23, the two connecting shafts 23 are fixed by bolts, and the bolts are threaded through the connecting plate 22 and then are connected to the upper ends of the connecting shafts 23.
Referring to fig. 3, in order to improve the applicability of the fixing device 2, the vertical link 21 is provided as a telescopic rod structure. The vertical link 21 includes a fixed link 211 and a movable link 212, wherein the fixed link 211 is fixed to the mounting plate and fixed to the sliding sleeve 34 therethrough; the fixed rod 211 is provided with a telescopic groove 213 along the central axis, the telescopic groove 213 is engaged with the movable rod 212, the lower end of the telescopic groove 213 is open, and the movable rod 212 is connected to the telescopic groove 213 in a sliding manner. A second positioning bolt 214 is threadedly connected to a side wall of the lower end of the fixed rod 211, and a screw end of the second positioning bolt 214 extends into the telescopic slot 213 and abuts against the movable rod 212, so as to be positioned after the length of the vertical link 21 is adjusted.
Referring to fig. 4, the pushing device 5 includes a moving frame 50 located on a side surface of the base 11, a columnar electromagnetic guiding sleeve 51 is fixedly connected to an upper portion of the moving frame 50, the electromagnetic guiding sleeve 51 is horizontally disposed, and one end of the electromagnetic guiding sleeve faces the fixing device 2. A matched push rod 52 is slidably connected in the electromagnetic guide sleeve 51, one end of the push rod 52 is arranged in the electromagnetic guide sleeve 51, and the other end of the push rod 52 extends out of the electromagnetic guide sleeve 51 and is fixedly connected to the connecting plate 22. A magnetic block 53 is fixedly connected to one end of the pushing rod 52 far away from the fixing device 2; an electromagnet 54 is mounted on the end of the electromagnetic guide 51 remote from the fixing device 2, and when the electromagnet 54 is turned on, the polarity of the electromagnet facing the magnetic block 53 is opposite to the polarity of the electromagnet facing the magnetic block 53.
When the fixing device 2 needs to be pushed to move, the worker only needs to turn on the electromagnet 54, and at this time, the magnetic block 53 drives the pushing rod 52 under the action of the electromagnet 54, and the fixing device 2 fixed with the pushing rod 52 moves under the driving of the pushing rod 52. Because adopt electro-magnet 54 as the power supply, so the utility model discloses the size of the power of exerting to fixing device 2 can relatively accurate control, thereby the utility model discloses a test effect is better. Because the size of the magnetic force of the electromagnet 54 is influenced by the size of the current, the utility model discloses can do multiunit contrast test after selecting the electromagnet 54 of adjustable magnetic force size to the test effect is further guaranteed.
In order to prevent the electromagnetic guiding sleeve 51 from being affected by magnetism and interfering with the testing effect, it can be made of plastic.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a wheel friction performance testing arrangement which characterized in that: including testboard (1), set up fixing device (2) and frame (3) that are used for fixed wheel above testboard (1), frame (3) include a plurality of vertical pillars (31) of fixing on testboard (1), be connected with transversely extending slide bar (33) on pillar (31), slide bar (33) slide and are connected with sliding sleeve (34) of adaptation, the lower part at sliding sleeve (34) is connected in fixing device (2).
2. The apparatus for testing frictional performance of a wheel according to claim 1, wherein: the test bench (1) comprises a base (11) and a simulation bottom plate (12) arranged on the base (11), wherein the simulation bottom plate (12) is detachably connected with the base (11).
3. The wheel friction performance testing device according to claim 2, characterized in that: the simulation material groove (111) is formed in the base (11), the simulation material groove (111) is of an upper opening structure, and the simulation bottom plate (12) is matched with the simulation material groove (111) and clamped in the simulation material groove (111).
4. The wheel friction performance testing device according to claim 3, characterized in that: the base (11) side is encircleed and is provided with limit side guard plate (4), dirty groove (41) of collection has been seted up around base (11) on limit side guard plate (4), dirty groove (41) of collection are the open structure.
5. The wheel friction performance testing device according to claim 4, characterized in that: the upper opening of the dirt collecting groove (41) is far away from one side of the base (11) and extends upwards to form a flange (42).
6. The wheel friction performance testing device according to claim 4, characterized in that: the side protection plate (4) comprises a plurality of sub protection plates (40), each sub protection plate (40) is respectively matched with each side edge of the base (11), and the sub protection plates (40) are detachably connected to the base (11).
7. The apparatus for testing frictional performance of a wheel according to claim 1, wherein: the upper end of pillar (31) is fixed with upper push rod (32) of horizontal extension, go up push rod (32) and go up along length direction seted up spout (321), the end fixing of slide bar (33) has slider (331) that fits spout (321), slider (331) slide and connect in spout (321), and threaded connection has positioning bolt (332), the screw end of positioning bolt (332) is worn out slider (331) and is supported in spout (321).
8. The apparatus for testing frictional performance of a wheel according to claim 1, wherein: the fixing device (2) comprises a vertical connecting rod (21), a connecting plate (22) fixed at the lower end of the vertical connecting rod (21) and a connecting shaft rod (23) arranged at the lower part of the connecting plate (22), wherein the connecting shaft rod (23) vertically extends downwards, and a transverse through hole (231) for the wheel rotating shaft to pass through is formed in the lower part of the connecting shaft rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307150.5U CN209764440U (en) | 2019-03-12 | 2019-03-12 | wheel friction performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920307150.5U CN209764440U (en) | 2019-03-12 | 2019-03-12 | wheel friction performance testing device |
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| Publication Number | Publication Date |
|---|---|
| CN209764440U true CN209764440U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920307150.5U Active CN209764440U (en) | 2019-03-12 | 2019-03-12 | wheel friction performance testing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113865891A (en) * | 2021-12-02 | 2021-12-31 | 山东奥维特智能科技有限公司 | Vehicle suspension testing device |
| CN114088275A (en) * | 2021-11-22 | 2022-02-25 | 中航飞机起落架有限责任公司 | Main wheel friction force measuring device and method |
| CN115420528A (en) * | 2022-11-07 | 2022-12-02 | 山东枣矿中兴慧通轮胎有限公司 | Anti extrusion detection device for tire manufacturing |
-
2019
- 2019-03-12 CN CN201920307150.5U patent/CN209764440U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088275A (en) * | 2021-11-22 | 2022-02-25 | 中航飞机起落架有限责任公司 | Main wheel friction force measuring device and method |
| CN114088275B (en) * | 2021-11-22 | 2024-04-05 | 中航飞机起落架有限责任公司 | Main wheel friction force measuring device and measuring method |
| CN113865891A (en) * | 2021-12-02 | 2021-12-31 | 山东奥维特智能科技有限公司 | Vehicle suspension testing device |
| CN113865891B (en) * | 2021-12-02 | 2022-03-11 | 山东奥维特智能科技有限公司 | Vehicle suspension testing device |
| CN115420528A (en) * | 2022-11-07 | 2022-12-02 | 山东枣矿中兴慧通轮胎有限公司 | Anti extrusion detection device for tire manufacturing |
| CN115420528B (en) * | 2022-11-07 | 2023-01-20 | 山东枣矿中兴慧通轮胎有限公司 | Anti extrusion detection device for tire manufacturing |
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