CN209841361U - Steering wheel life test device - Google Patents
Steering wheel life test device Download PDFInfo
- Publication number
- CN209841361U CN209841361U CN201920728967.XU CN201920728967U CN209841361U CN 209841361 U CN209841361 U CN 209841361U CN 201920728967 U CN201920728967 U CN 201920728967U CN 209841361 U CN209841361 U CN 209841361U
- Authority
- CN
- China
- Prior art keywords
- reciprocating
- mounting
- bearing
- limiting mechanism
- motion
- 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
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a steering wheel life test device, include: the motion conversion part comprises a reciprocating rotation part which is matched and connected with an output shaft of the steering engine, a reciprocating movement part which moves in the horizontal direction, and a conversion mechanism which is used for converting the rotation motion of the reciprocating rotation part into the reciprocating translation motion of the reciprocating movement part in the horizontal direction; and a pressure adjusting part provided above the reciprocating part for adjusting a pressure applied to the reciprocating part. Through the reciprocating rotation part of motion conversion portion and the output shaft of steering wheel, the reciprocating rotation motion of converting the steering wheel through the shifter converts the reciprocating translation motion of the reciprocating motion portion of motion conversion portion into the reciprocating translation motion on the horizontal direction of motion conversion portion, thereby rethread pressure adjustment portion adjusts the life-span of the pressure test steering wheel of applying in reciprocating motion portion reciprocating motion under the different moment of torsion circumstances, the utility model discloses it is simple to compare traditional steering wheel life-span testing arrangement design, easy and simple to handle, work efficiency is high.
Description
Technical Field
The utility model relates to a steering wheel technical field especially relates to a steering wheel life-span testing arrangement.
Background
The steering engine is a position (angle) servo driver and is a device with an output shaft. When a control signal is sent to the steering engine, the output shaft can be rotated to a specific position. As long as the control signal is continuously unchanged, the steering engine can keep the angular position of the shaft unchanged. In daily life, the steering engine is suitable for control systems which need to change and keep angles constantly, such as the fields of remote control airplanes, remote control automobiles, robots and the like.
Before the steering engine products are sold, a steering engine sample is generally required to be extracted for life test so as to test the quality and durability of the steering engine products, and therefore a device for life test of the steering engine is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to the above-mentioned current steering wheel life-span testing arrangement, the design is complicated, and the operation is inconvenient, reduces work efficiency's problem.
The utility model discloses a following technical scheme realizes: a steering engine life test device includes:
the motion conversion part comprises a reciprocating rotation part which is matched and connected with an output shaft of the steering engine, a reciprocating movement part which moves in the horizontal direction, and a conversion mechanism which is used for converting the rotation motion of the reciprocating rotation part into the reciprocating translation motion of the reciprocating movement part in the horizontal direction; and
and a pressure adjusting part provided above the reciprocating part for adjusting a pressure applied to the reciprocating part.
As a further improvement of the above technical solution, the conversion mechanism includes:
a base;
the reciprocating rotating part is rotatably connected to the first mounting seat;
a projection fixedly attached to the reciprocating rotary portion;
the bearing part is arranged on the base and is in relative sliding contact with the bottom of the reciprocating part;
the meshing part is arranged at the top of the reciprocating part and is matched with the shape of the convex part, and a plurality of concave parts matched with the shape of the convex part are arranged on the meshing part; and
and the limiting mechanism is used for guiding the reciprocating moving part to do reciprocating movement in the horizontal direction.
As a further improvement of the above technical means, the pressure adjusting portion includes: a second mounting seat;
the pressing part is arranged above the reciprocating part and is in relative sliding contact with the reciprocating part;
the mounting shell is covered above the pressure applying part and fixedly connected with the second mounting seat, and a space for accommodating the pressure applying part is formed in the mounting shell;
the third mounting seat is arranged at the top of the mounting shell;
the fourth mounting seat is arranged at the top of the third mounting seat;
the differential head is fixedly arranged on the fourth mounting seat; and
and the elastic component penetrates through the third mounting seat and is pressed between the top of the pressing part and the bottom of the measuring rod of the differential head.
As a further improvement of the above technical solution, the pressing portion is a linen pad.
As a further improvement of the above technical solution, the elastic member is a compression spring.
As a further improvement of the above technical solution, the limiting mechanism includes a longitudinal limiting mechanism for stabilizing the position of the reciprocating part in the vertical direction, and a lateral limiting mechanism for guiding the movement of the reciprocating part in the horizontal direction.
As a further improvement of the above technical solution, the longitudinal limiting mechanism is disposed on the first mounting seat, and the longitudinal limiting mechanism includes; the first limiting mechanism is arranged on the left side of the reciprocating part, and the second limiting mechanism is arranged on the right side of the reciprocating part;
the first limiting mechanism comprises a first mounting part arranged on the first mounting seat, a first bearing rotationally connected to the first mounting part, a second mounting part arranged below the first mounting part, and a second bearing rotationally connected to the second mounting part,
the first mounting part is provided with a first annular groove, the first bearing is clamped in the first annular groove, the second mounting part is provided with a second annular groove, and the second bearing is clamped in the second annular groove;
the first bearing is in sliding contact with the left side of the top of the reciprocating part, and the second bearing is in sliding contact with the left side of the bottom of the reciprocating part;
the second limiting mechanism comprises a third mounting part arranged on the first mounting seat, a third bearing rotationally connected to the second mounting part, a fourth mounting part arranged below the third mounting part, and a fourth bearing rotationally connected to the fourth mounting part,
the third mounting part is provided with a third annular groove, the third bearing is clamped in the third annular groove, the fourth mounting part is provided with a fourth annular groove, and the fourth bearing is clamped in the fourth annular groove;
the third bearing is in sliding contact with the right side of the top of the reciprocating part, and the fourth bearing is in sliding contact with the right side of the bottom of the reciprocating part.
As a further improvement of the above technical solution, the lateral limiting mechanism includes at least one left limiting mechanism disposed on the left side of the reciprocating part, and at least one right limiting mechanism disposed on the right side of the reciprocating part;
the left limiting mechanism comprises a first mounting rod arranged on the base and a fifth bearing sleeved on the first mounting rod, and the fifth bearing is in sliding contact with the left edge of the reciprocating part;
the right limiting mechanism comprises a second mounting rod arranged on the base and a sixth bearing sleeved on the second mounting rod, and the sixth bearing is in sliding contact with the edge of the right side of the reciprocating moving part.
As a further improvement of the above technical solution, the bearing part is made of linen.
Implement the utility model discloses a beneficial effect includes at least: through the reciprocating rotation part of motion conversion portion and the output shaft of steering wheel, the reciprocating rotation motion of converting the steering wheel through the shifter converts the reciprocating translation motion of the reciprocating motion portion of motion conversion portion into the reciprocating translation motion on the horizontal direction of motion conversion portion, thereby rethread pressure adjustment portion adjusts the life-span of the pressure test steering wheel of applying in reciprocating motion portion reciprocating motion under the different moment of torsion circumstances, the utility model discloses it is simple to compare traditional steering wheel life-span testing arrangement design, easy and simple to handle, work efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a steering engine life testing device according to the present invention;
fig. 2 is an exploded schematic view of an embodiment of the steering engine life testing device of the present invention;
fig. 3 is a schematic cross-sectional view of an embodiment of the steering engine life testing device of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a switching mechanism of the steering engine life testing device of the present invention;
FIG. 5 is a diagram showing an assembly relationship between a reciprocating rotation part and a protruding part of a device for testing the lifespan of a steering engine according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an embodiment of an engagement portion of the steering engine life testing device of the present invention;
fig. 7 is a schematic structural diagram of an embodiment of a longitudinal limiting mechanism of the steering engine life testing device of the present invention;
fig. 8 is a schematic structural diagram of an embodiment of a first limiting mechanism of the steering engine life testing device of the present invention;
fig. 9 is a schematic structural diagram of an embodiment of a second limiting mechanism of the steering engine life testing device of the present invention;
fig. 10 is a schematic structural diagram of an embodiment of a transverse limiting mechanism of the steering engine life testing device of the present invention;
reference numerals:
a motion converting section-10; a reciprocating rotary part-11; a reciprocating section-12;
a conversion mechanism-13; a base-131; a first mount-132; a projection-133; a bolster-134; an engagement portion-135; a recessed portion-1351; a fixing pin-14; a fifth annular groove-141; a stopper portion 142; e-shaped clamp spring-15;
a pressure adjusting part-20;
a second mounting seat-21; a first plate portion-211; a second plate portion-212;
a pressure applying part-22; a mounting housing-23; a third mounting seat-24; a fourth mount-25; differential head-26; rod-261; micro-drum-262; an elastic member-27; cushion block-28;
a limiting mechanism-30;
a longitudinal limiting mechanism-31;
a first limiting mechanism-311; a first mounting portion-3111; a first bearing-3112; a second mounting portion-3113; a second bearing-3114; a first annular groove-3115; a second annular groove-3116;
a second stop mechanism-312; a third mounting portion-3121; a third bearing-3122; a fourth mounting portion-3123; a fourth bearing-3124; a third annular groove-3125; a fourth annular groove-3126;
a transverse limiting mechanism-32;
a left limiting mechanism-321; a first mounting rod-3211; a fifth bearing-3212;
a right limit mechanism-322; a second mounting rod-3221; sixth bearing-3222.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 2, a steering engine life testing device includes: a motion conversion part 10, wherein the motion conversion part 10 comprises a reciprocating rotation part 11 which is matched and connected with an output shaft of the steering engine, a reciprocating movement part 12 which moves in the horizontal direction, and a conversion mechanism 13 which is used for converting the rotation motion of the reciprocating rotation part 11 into the reciprocating translation motion of the reciprocating movement part 12 in the horizontal direction; and a pressure adjusting part 20, the pressure adjusting part 20 being provided above the reciprocating part 12, for adjusting the pressure applied to the reciprocating part 12.
Referring to fig. 2 and 4, the conversion mechanism 13 includes: a base 131; a first mounting seat 132 provided on the base 131, wherein the reciprocating rotary part 11 is rotatably connected to the first mounting seat 132; a projection 133 fixedly attached to the reciprocative rotation portion 11; a receiving portion 134 provided on the base 131 and in relative sliding contact with the bottom of the reciprocating portion 12; an engaging part 135 arranged on the top of the reciprocating part 12 and matched with the shape of the convex part 133, wherein four concave parts 1351 matched with the shape of the convex part 133 are arranged on the engaging part 135; and a stopper mechanism 30 for guiding the reciprocating unit 12 to reciprocate in the horizontal direction.
Referring to fig. 2 and 6, in this embodiment, when the reciprocative rotary part 11 rotates to the bottom, the protrusion 133 on the reciprocative rotary part 11 is engaged with the recess 1351 on the engagement part 135, and when the protrusion 133 is away from the engagement part, the reciprocative rotary part 11 moves forward or backward due to the inertia force of the protrusion 13, and the movement principle of the protrusion 133 and the engagement part on the reciprocative rotary part 11 is similar to the movement matching relationship with the rack when the gear shaft of only a single gear rotates.
Referring to fig. 5, in the present embodiment, a fixing pin 14 fixes the protrusion 133 in the reciprocating rotation portion 11, a fifth annular groove 141 is disposed on a front side of the fixing pin 14, an e-shaped snap spring 15 for preventing the fixing pin from falling off is clamped in the fifth annular groove 141, and a stopping portion 142 is disposed on a rear side of the fixing pin.
Referring to fig. 4, in the present embodiment, the number of the first mounting seats 132 is two, two of the first mounting seats 132 are disposed in parallel on the base 131, the left side of the reciprocating rotation portion 11 is rotatably connected to the first mounting seat 132 of the two first mounting seats 132 close to the left side, and the right side of the reciprocating rotation portion 11 is rotatably connected to the first mounting seat 132 of the two first mounting seats 132 close to the right side.
Referring to fig. 5, in this embodiment, the first connection end 112 on the left side of the reciprocating rotation portion 11 is used to connect an output shaft of the steering engine, the first connection end 112 on the right side of the reciprocating rotation portion 11 is used to connect a potentiometer, and the potentiometer is used to control the output shaft of the steering engine to perform a reciprocating rotation movement from fifty thousand times to hundred thousand times, so as to test the service life of the reciprocating movement of the steering engine.
Referring to fig. 2 and 3, the pressure adjusting portion 20 includes: a second mount 21; a pressing part 22 which is arranged above the reciprocating part 12 and is in relative sliding contact with the reciprocating part 12; the mounting shell 23 is covered above the pressing part 22 and fixedly connected with the second mounting seat 21, and a space for accommodating the pressing part 22 is arranged in the mounting shell 23; a third mounting seat 24 provided at the top of the mounting housing 23; a fourth mounting seat 25 arranged on the top of the third mounting seat 24; a differential head 26 fixed to the fourth mounting base 25; a cushion block 28 disposed at the bottom of the measuring rod 261 of the differential head 26, and an elastic member 27 disposed in the third mounting seat 24 and pressed between the top of the pressing portion 22 and the cushion block 28, wherein the elastic member 27 passes through the mounting housing 23 to apply force to the pressing portion 22.
In this embodiment, the number of the second mounting seats 21 is two, and the two second mounting seats are respectively disposed on the left and right sides of the mounting shell 23, the second mounting seat 21 is in an L shape, the first plate portion 211 of the second mounting seat 21 is screwed to the mounting shell 23, and the second plate portion 212 of the second mounting seat 21 is screwed to the base 131.
In this embodiment, the bearing part 134 is a Lining, the pressing part 22 is a Lining, which is called Brake Shoe, Brake pad, and the transliteration of english Lining, which is commonly used as Lining, Brake Lining, and Brake Lining Shoe.
In the present embodiment, the elastic member 27 is a compression spring.
The depth of depression of the spindle 261 of the differentiating head 26 is adjusted by rotating the micro-cylinder 262 by hand, so that the measuring bar 261 of the differential head 26 presses the elastic member 27 between the top of the pressing part 22 and the pad 28, the elastic force applied to the pressing part 22 by the elastic member 27 is increased, so that the positive pressure N applied to the reciprocating part 12 is increased, and the dynamic friction factor mu of the pressure part 22 and the reciprocating part 12 is constant, according to the sliding friction force calculation formula f ═ μ N, therefore, the sliding friction force at the time of the reciprocating motion of the reciprocating section 12 can be adjusted by adjusting the depth of the spindle 261 of the differential head 26 downward to the pad 28, and then the torque required by the output shaft of the steering engine to do reciprocating rotation is increased, so that the service life of the steering engine to do reciprocating rotation under different torque conditions is tested.
The stopper mechanism 30 includes a longitudinal stopper mechanism 31 for stabilizing the position of the reciprocating part 12 in the vertical direction, and a lateral stopper mechanism 32 for guiding the movement of the reciprocating part 12 in the horizontal direction.
Referring to fig. 7 to 9, the longitudinal limiting mechanism 31 is disposed on the first mounting seat 132, and the longitudinal limiting mechanism 31 includes; a first limit mechanism 311 provided on the left side of the reciprocating unit 12 and a second limit mechanism 312 provided on the right side of the reciprocating unit 12;
the first limiting mechanism 311 includes a first mounting portion 3111 disposed on the first mounting seat 132 near the left side of the two first mounting seats 132, a first bearing 3112 rotatably connected to the first mounting portion 3111, a second mounting portion 3113 disposed below the first mounting portion 3111, and a second bearing 3114 rotatably connected to the second mounting portion 3113,
the first mounting portion 3111 is provided with a first annular groove 3115, the first bearing 3112 is clamped in the first annular groove 3115, the second mounting portion 3113 is provided with a second annular groove 3116, and the second bearing 3114 is clamped in the second annular groove 3116;
the first bearing 3112 is in sliding contact with the top left side of the reciprocator 12, and the second bearing 3114 is in sliding contact with the bottom left side of the reciprocator 12;
the second limiting mechanism 312 includes a third mounting portion 3121 disposed on the first mounting seat 132, a third bearing 3122 rotatably connected to the second mounting portion 3113, a fourth mounting portion 3123 disposed below the third mounting portion 3121, and a fourth bearing 3124 rotatably connected to the fourth mounting portion 3123,
the third mounting portion 3121 is provided with a third annular groove 3125, the third bearing 3122 is clamped in the third annular groove 3125, the fourth mounting portion 3123 is provided with a fourth annular groove 3126, and the fourth bearing 3124 is clamped in the fourth annular groove 3126;
the third bearing 3122 is in sliding contact with the top right side of the shuttles 12, and the fourth bearing 3124 is in sliding contact with the bottom right side of the shuttles 12.
Referring to fig. 10, the transverse limiting mechanism 32 includes at least one left limiting mechanism 321 disposed on the left side of the reciprocating unit 12, and at least one right limiting mechanism 322 disposed on the right side of the reciprocating unit 12;
in this embodiment, the number of the left limiting mechanisms 321 is two, and the number of the right limiting mechanisms 322 is two.
The left limiting mechanism 321 comprises a first mounting rod 3211 arranged on the base 131 and a fifth bearing 3212 sleeved on the first mounting rod 3211, and the fifth bearing 3212 is in sliding contact with the left edge of the reciprocating part 12;
the right limiting mechanism 322 includes a second mounting rod 3221 disposed on the base 131 and a sixth bearing 3222 sleeved on the second mounting rod 3221, and the sixth bearing 3222 is in sliding contact with a right edge of the reciprocating unit 12.
In this embodiment, the reciprocating rotary portion 11 is always parallel to the base 131 by the limit action of the longitudinal limit mechanism 31 and the lateral limit mechanism 32, and the reciprocating rotary portion 11 performs reciprocating translational motion more stably in the front-rear direction.
Implement the utility model discloses a beneficial effect includes at least:
through the reciprocating rotation part of motion conversion portion and the output shaft of steering wheel, the reciprocating rotation motion of converting the steering wheel through the shifter converts the reciprocating translation motion of the reciprocating motion portion of motion conversion portion into the reciprocating translation motion on the horizontal direction of motion conversion portion, thereby rethread pressure adjustment portion adjusts the life-span of the pressure test steering wheel of applying in reciprocating motion portion reciprocating motion under the different moment of torsion circumstances, the utility model discloses it is simple to compare traditional steering wheel life-span testing arrangement design, easy and simple to handle, work efficiency is high.
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A steering engine life testing device (100), comprising:
the motion conversion part (10), the motion conversion part (10) includes the reciprocating rotation part (11) that is connected with the output shaft of the steering engine in a matching way, the reciprocating movement part (12) that moves in the horizontal direction, and the shifter (13) that is used for converting the rotation motion of the reciprocating rotation part (11) into the reciprocating translation motion of the reciprocating movement part (12) in the horizontal direction; and
and a pressure adjusting section (20) provided above the reciprocating section (12), the pressure adjusting section (20) adjusting the pressure applied to the reciprocating section (12).
2. The steering engine life testing device (100) of claim 1, wherein the switching mechanism (13) comprises:
a base (131);
a first mounting seat (132) provided on the base (131), the reciprocating rotary part (11) being rotatably connected to the first mounting seat (132);
a projection (133) fixedly attached to the reciprocatingly rotating part (11);
a bearing part (134) which is arranged on the base (131) and is in relative sliding contact with the bottom of the reciprocating part (12);
the engaging part (135) is arranged at the top of the reciprocating part (12) and is matched with the convex part (133) in shape, and a plurality of concave parts (1351) matched with the convex part (133) in shape are arranged on the engaging part (135); and
and a limiting mechanism (30) for guiding the reciprocating part (12) to reciprocate in the horizontal direction.
3. The steering engine life testing device (100) of claim 1, wherein the pressure regulating portion (20) comprises: a second mounting base (21);
a pressing part (22) which is arranged above the reciprocating part (12) and is in relative sliding contact with the reciprocating part (12);
the installation shell (23) is covered above the pressing part (22) and is fixedly connected with the second installation seat (21), and a space for accommodating the pressing part (22) is arranged in the installation shell (23);
a third mounting seat (24) arranged at the top of the mounting shell (23);
a fourth mounting seat (25) arranged at the top of the third mounting seat (24);
a micro-divider head (26) fixedly arranged on the fourth mounting seat (25); and
and the elastic member (27) is arranged in the third mounting seat (24) in a penetrating way and is pressed between the top of the pressing part (22) and the bottom of the measuring rod (261) of the differential head (26).
4. The steering engine life testing device (100) according to claim 3, wherein the pressing portion (22) is a linen pad.
5. The steering engine life testing device (100) of claim 3, wherein the resilient member (27) is a compression spring.
6. The steering engine life test device (100) according to claim 2, wherein the limiting mechanism (30) comprises a longitudinal limiting mechanism (31) for stabilizing the position of the reciprocating part (12) in the vertical direction and a transverse limiting mechanism (32) for guiding the movement of the reciprocating part (12) in the horizontal direction.
7. The steering engine life testing device (100) according to claim 6, wherein the longitudinal limiting mechanism (31) is disposed on the first mounting seat (132), and the longitudinal limiting mechanism (31) comprises; a first limit mechanism (311) arranged on the left side of the reciprocating part (12) and a second limit mechanism (312) arranged on the right side of the reciprocating part (12);
the first limiting mechanism (311) comprises a first mounting part (3111) arranged on the first mounting seat (132), a first bearing (3112) rotatably connected to the first mounting part (3111), a second mounting part (3113) arranged below the first mounting part (3111), and a second bearing (3114) rotatably connected to the second mounting part (3113),
the first mounting portion (3111) is provided with a first annular groove (3115), the first bearing (3112) is clamped in the first annular groove (3115), the second mounting portion (3113) is provided with a second annular groove (3116), and the second bearing (3114) is clamped in the second annular groove (3116);
the first bearing (3112) is in sliding contact with the top left side of the reciprocative part (12), and the second bearing (3114) is in sliding contact with the bottom left side of the reciprocative part (12);
the second limiting mechanism (312) comprises a third mounting part (3121) arranged on the first mounting seat (132), a third bearing (3122) rotatably connected to the second mounting part (3113), a fourth mounting part (3123) arranged below the third mounting part (3121), and a fourth bearing (3124) rotatably connected to the fourth mounting part (3123),
the third mounting portion (3121) is provided with a third annular groove (3125), the third bearing (3122) is clamped in the third annular groove (3125), the fourth mounting portion (3123) is provided with a fourth annular groove (3126), and the fourth bearing (3124) is clamped in the fourth annular groove (3126);
the third bearing (3122) is in sliding contact with the top right side of the reciprocative part (12), and the fourth bearing (3124) is in sliding contact with the bottom right side of the reciprocative part (12).
8. The steering engine life testing device (100) according to claim 6, wherein the lateral limiting mechanism (32) comprises at least one left limiting mechanism (321) arranged on the left side of the reciprocating part (12) and at least one right limiting mechanism (322) arranged on the right side of the reciprocating part (12);
the left limiting mechanism (321) comprises a first mounting rod (3211) arranged on the base (131) and a fifth bearing (3212) sleeved on the first mounting rod (3211), and the fifth bearing (3212) is in sliding contact with the left edge of the reciprocating part (12);
the right limiting mechanism (322) comprises a second mounting rod (3221) arranged on the base (131) and a sixth bearing (3222) sleeved on the second mounting rod (3221), and the sixth bearing (3222) is in sliding contact with the edge of the right side of the reciprocating part (12).
9. The steering engine life testing device (100) of claim 2, wherein the bearing portion (134) is a piece of linen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728967.XU CN209841361U (en) | 2019-05-18 | 2019-05-18 | Steering wheel life test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920728967.XU CN209841361U (en) | 2019-05-18 | 2019-05-18 | Steering wheel life test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841361U true CN209841361U (en) | 2019-12-24 |
Family
ID=68897749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920728967.XU Active CN209841361U (en) | 2019-05-18 | 2019-05-18 | Steering wheel life test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841361U (en) |
-
2019
- 2019-05-18 CN CN201920728967.XU patent/CN209841361U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10316916B2 (en) | Disc brake, brake caliper and brake pad set for a disc brake | |
| CN111068237A (en) | Linkage type resistance adjusting system | |
| CN209841361U (en) | Steering wheel life test device | |
| TW201418595A (en) | Mechanical disk brake mechanism | |
| US20170136606A1 (en) | Clamp | |
| KR20220058848A (en) | MOVING KNIFE ADJUSTING STRUCTURE OF BARBER | |
| CN114602570A (en) | Parallel clamp with self-adaptive clamping surface | |
| US7654171B2 (en) | Brake handle having supporting frame | |
| CN107020610B (en) | Tool for special-shaped workpiece | |
| CN216771755U (en) | Reagent card compression force adjusting device and dry-type fluorescence immunoassay appearance incubator | |
| CN213948316U (en) | Rotating device for vehicle-mounted head-up display optical system | |
| CN209998696U (en) | pressing mechanism | |
| CN214659508U (en) | Car automatic door's structure and car of hovering | |
| CN212294024U (en) | Embroidery machine surface thread elastic structure, embroidery machine head and embroidery machine | |
| CN212513607U (en) | Plug valve durability test fixture | |
| CN109571321B (en) | Fixture fixed at edge of workbench | |
| CN107877435B (en) | Socket spanner | |
| CN205707381U (en) | A kind of helicopter is always away from friction lock mechanism | |
| JPH05147510A (en) | Thrust power transmitter for brake actuator | |
| JP4114935B2 (en) | measuring device | |
| CN109702525B (en) | Fixing device | |
| CN217917343U (en) | Printer and paper guide structure thereof | |
| CN210068857U (en) | Damping mechanism for indexing mechanism control system | |
| CN212420338U (en) | Brake lining support bushing press-fitting and interference force detection device | |
| CN217682572U (en) | Cylinder rotating torque force adjustable mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |