CN215677587U - Fatigue testing machine for electric power steering gear - Google Patents
Fatigue testing machine for electric power steering gear Download PDFInfo
- Publication number
- CN215677587U CN215677587U CN202121197561.7U CN202121197561U CN215677587U CN 215677587 U CN215677587 U CN 215677587U CN 202121197561 U CN202121197561 U CN 202121197561U CN 215677587 U CN215677587 U CN 215677587U
- Authority
- CN
- China
- Prior art keywords
- steering gear
- motor
- base
- piece
- support piece
- 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
Images
Abstract
The utility model relates to the technical field of test devices, in particular to a fatigue testing machine for an electric power steering gear, which comprises a base, a support piece, a limiting piece, a steering gear, a motor mounting seat and a positive and negative rotation motor, wherein the support piece is connected with the upper end of the base in a sliding way, the limiting piece is fixedly connected with the upper end of the support piece, the steering gear is clamped and limited between the support pieces, the motor mounting seat is connected with the two ends of the base, the positive and negative rotation motor is mounted on the motor mounting seat, the two ends of the steering gear are provided with shaft rods, the shaft rods are placed in limiting grooves formed in the upper end of the support piece and are clamped and limited through the limiting piece, the end parts of the shaft rods are fixedly connected in fixed shaft sleeves connected with the transmission output end of the positive and negative rotation motor, and the fatigue testing machine has the advantages that: through setting up mobilizable support piece, can adapt to the steering gear axle support of different length specifications spacing, increase convenience of use and adaptability to support piece can make things convenient for the pine of axostylus axostyle to take off fixedly, increases and changes the convenience, can increase test efficiency, and is stronger to the fixed effect of axostylus axostyle, makes the axostylus axostyle more stable in the test procedure, improves the test precision.
Description
Technical Field
The utility model relates to the technical field of testing devices, in particular to a fatigue testing machine for an electric power steering gear.
Background
An Electric Power Steering (EPS) system is a Power Steering system that directly relies on an Electric motor to provide an assist torque, and has many advantages over a conventional hps (hydraulic Power Steering) system. The EPS is mainly composed of a torque sensor, a vehicle speed sensor, a motor, a reduction mechanism, an Electronic Control Unit (ECU), and the like.
The utility model provides an electric power steering gear fatigue testing machine which is used for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fatigue testing machine for an electric power steering gear, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric power steering gear fatigue test machine, includes that base, base upper end sliding connection's support piece, support piece upper end fastening connection's locating part, the positive and negative motor of installation on the motor mount pad that support piece between the spacing steering gear of centre gripping, the base both ends are connected, the motor mount pad that the motor mount pad is connected, the steering gear both ends are equipped with the axostylus axostyle, the axostylus axostyle is placed at the spacing inslot that the support piece upper end was seted up and is spacing through the locating part centre gripping, axostylus axostyle tip fixed connection can be injectd the steering gear position through support piece and locating part in the fixed axle sleeve that positive and negative motor drive output is connected, makes things convenient for the steering gear to change, increases detection efficiency.
Preferably, a movable groove is transversely formed in the middle of the upper end of the base, and two groups of symmetrically-arranged supporting pieces are connected to the upper end of the movable groove in a sliding mode.
Preferably, support piece includes the main part, and the integrative slider that is equipped with of main part both sides lower extreme, slider sliding connection is in the activity inslot, the integrative locating plate that is equipped with in main part both sides upper end, locating plate sliding connection is at the base up end, bolted connection fastening bolt on the locating plate, fastening bolt passes the locating plate and is connected to the lower extreme, and the end is contradicted and is connected the base up end.
Preferably, the upper end of one side of the supporting piece is integrally provided with a supporting plate, the upper end of the supporting plate is provided with a limiting groove, the limiting groove is in an inverted triangular shape, and the upper end of the supporting plate is fixedly connected with the limiting piece through a bolt.
Preferably, the locating part includes the connecting plate, the connecting plate passes through bolt-up connection in backup pad upper end both sides, the protrusion of integrative shaping is equipped with the grip block in the middle of the locating part lower extreme, the grip block is pegged graft to spacing inslot, the grip block lower extreme is seted up and is the double-layered groove of triangle-shaped.
Preferably, the mortises have been seted up in the middle of the base both ends, mortise-tenon joint tenon in the mortises, integrative the setting that takes shape of tenon is in motor mount pad one side, the motor mount pad passes through tenon fixed connection at the base both ends, positive reverse motor is connected to motor mount pad upper end, motor shaft is connected to positive reverse motor one side transmission output, motor shaft end-to-end connection fixed axle sleeve, fixed axle sleeve inside is equipped with the spline groove and forms the spline axle sleeve.
Compared with the prior art, the utility model has the beneficial effects that:
the movable support piece is arranged, so that the steering gear shaft support limiting device can adapt to supporting and limiting of steering gear shafts with different length specifications, the use convenience and the adaptability are improved, the support piece can be convenient for loosening and fixing of the shaft rod, the replacement convenience is improved, the test efficiency can be improved, the fixing effect on the shaft rod is stronger, the shaft rod is more stable in the test process, and the test accuracy is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the supporting member in fig. 1.
In the figure: the device comprises a base 1, a movable groove 2, a supporting piece 3, a limiting piece 4, a motor mounting seat 5, a tenon 6, a steering gear 7, a shaft rod 8, a fixed shaft sleeve 9, a motor shaft 10, a forward and reverse rotating motor 11, a motor fixing frame 12, a supporting plate 13, a limiting groove 14, a sliding block 15, a positioning plate 16, a fastening bolt 17, a connecting plate 18 and a clamping block 19.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 2, the present invention provides a technical solution: a fatigue testing machine for an electric power steering gear comprises a base 1, wherein a movable groove 2 is transversely formed in the middle of the upper end of the base 1, and two groups of symmetrically arranged supporting pieces 3 are connected to the inner part of the upper end of the movable groove 2 in a sliding manner;
the upper end of the base 1 is slidably connected with a supporting piece 3, the supporting piece 3 comprises a main body, the lower ends of two sides of the main body are integrally provided with sliders 15, the sliders 15 are slidably connected into the movable grooves 2, the upper ends of two sides of the main body are integrally provided with positioning plates 16, the positioning plates 16 are slidably connected onto the upper end surface of the base 1, the positioning plates 16 are in bolted connection with fastening bolts 17, the fastening bolts 17 penetrate through the positioning plates 16 to be connected to the lower ends, the tail ends of the fastening bolts are abutted against the upper end surface of the base 1, the upper end of one side of the supporting piece 3 is integrally provided with a supporting plate 13, the upper end of the supporting plate 13 is provided with a limiting groove 14, the limiting groove 14 is in an inverted triangular shape, the upper end of the supporting plate 13 is in fastened connection with a limiting piece 4 through bolts, the spacing between the supporting pieces 3 at two sides can be adjusted through the slidable supporting piece 3, so that the supporting pieces 3 can adapt to steering gears 7 with different lengths, and the use adaptability and the use convenience are improved;
the upper end of the supporting piece 3 is fixedly connected with the limiting piece 4, the limiting piece 4 comprises a connecting plate 18, the connecting plate 18 is fixedly connected with two sides of the upper end of the supporting plate 13 through bolts, a clamping block 19 is arranged in the middle of the lower end of the limiting piece 4 in an integrally formed protruding mode, the clamping block 19 is inserted into the limiting groove 14, a triangular clamping groove is formed in the lower end of the clamping block 19, the steering gear 7 for testing can be rapidly replaced through the limiting piece 4, replacement convenience is improved, testing efficiency is improved, the limiting groove 14 and the clamping block 19 can be suitable for clamping shaft rods 8 with different diameters, and use adaptability is improved;
the steering gear 7 for limiting is clamped between the supporting pieces 3, the shaft rods 8 are arranged at two ends of the steering gear 7, the shaft rods 8 are placed in the limiting grooves 14 formed in the upper ends of the supporting pieces 3 and are clamped and limited through the limiting pieces 4, the end portions of the shaft rods 8 are fixedly connected in the fixed shaft sleeves 9 connected with the transmission output ends of the forward and reverse rotating motors 11, the positions of the steering gear 7 can be limited through the supporting pieces 3 and the limiting pieces 4, the steering gear 7 is convenient to replace, and the detection efficiency is improved;
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an electronic power assisted steering ware fatigue testing machine, includes that motor mount pad (5), motor mount pad (5) of installation are gone up to spacing steering gear (7), the positive reverse motor (11) of installation, its characterized in that between base (1), base (1) upper end sliding connection's support piece (3), support piece (3) upper end fastening connection's locating part (4), support piece (3): the steering gear is characterized in that shaft levers (8) are arranged at two ends of the steering gear (7), the shaft levers (8) are placed in limit grooves (14) formed in the upper end of the supporting piece (3) and are limited by the limiting piece (4) in a clamping mode, the end portions of the shaft levers (8) are fixedly connected in fixed shaft sleeves (9) connected with the transmission output end of the forward and reverse motor (11), the positions of the steering gear (7) can be limited through the supporting piece (3) and the limiting piece (4), the steering gear (7) is convenient to replace, and the detection efficiency is improved.
2. The electric power steering fatigue testing machine according to claim 1, characterized in that: the movable groove (2) is transversely arranged in the middle of the upper end of the base (1), and the inner part of the upper end of the movable groove (2) is connected with two sets of symmetrically arranged supporting pieces (3) in a sliding manner.
3. The electric power steering fatigue testing machine according to claim 2, characterized in that: support piece (3) include the main part, and the integrative slider (15) that is equipped with of main part both sides lower extreme, slider (15) sliding connection is in activity groove (2), the integrative locating plate (16) that is equipped with in main part both sides upper end, locating plate (16) sliding connection is at base (1) up end, bolted connection fastening bolt (17) are gone up in locating plate (16), fastening bolt (17) pass locating plate (16) and are connected to the lower extreme, and the terminal connection base (1) up end of contradicting.
4. The electric power steering fatigue testing machine according to claim 3, characterized in that: support piece (3) one side upper end integrated into one piece be equipped with backup pad (13), spacing groove (14) have been seted up to backup pad (13) upper end, spacing groove (14) are the triangle-shaped of invering, backup pad (13) upper end is through bolt-up connection locating part (4).
5. The electric power steering fatigue testing machine according to claim 4, characterized in that: the locating part (4) comprises a connecting plate (18), the connecting plate (18) is connected to two sides of the upper end of the supporting plate (13) in a fastening mode through bolts, a clamping block (19) is arranged in the middle of the lower end of the locating part (4) in an integrally formed mode, the clamping block (19) is inserted into the limiting groove (14), and a clamping groove in a triangular shape is formed in the lower end of the clamping block (19).
6. The electric power steering fatigue testing machine according to claim 1, characterized in that: the improved motor is characterized in that a mortise is formed in the middle of two ends of the base (1), tenon-and-mortise connection tenons (6) are arranged in the mortise, the tenons (6) are integrally formed and are arranged on one side of the motor mounting seat (5), the motor mounting seat (5) is fixedly connected to two ends of the base (1) through the tenons (6), a forward and reverse rotating motor (11) is connected to the upper end of the motor mounting seat (5), a motor shaft (10) is connected to the transmission output end on one side of the forward and reverse rotating motor (11), a fixed shaft sleeve (9) is connected to the end of the motor shaft (10), and a spline shaft sleeve is formed inside the fixed shaft sleeve (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197561.7U CN215677587U (en) | 2021-05-31 | 2021-05-31 | Fatigue testing machine for electric power steering gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121197561.7U CN215677587U (en) | 2021-05-31 | 2021-05-31 | Fatigue testing machine for electric power steering gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215677587U true CN215677587U (en) | 2022-01-28 |
Family
ID=79973334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121197561.7U Active CN215677587U (en) | 2021-05-31 | 2021-05-31 | Fatigue testing machine for electric power steering gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215677587U (en) |
-
2021
- 2021-05-31 CN CN202121197561.7U patent/CN215677587U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215677587U (en) | Fatigue testing machine for electric power steering gear | |
| CN210412695U (en) | Steering knuckle drilling clamp | |
| CN209062619U (en) | A kind of automobile axle shaft fixer for machining | |
| CN210707662U (en) | Make things convenient for vehicle spoiler of dismouting | |
| CN219945505U (en) | Rotor copper sheathing processing apparatus with internal diameter function of polishing | |
| CN110904452A (en) | Spare part surface cladding reinforces with supplementary centre gripping fixing device | |
| CN108599476B (en) | Bearing press-fit equipment with good stability | |
| CN213290011U (en) | Electric control clamp with clamping force control function | |
| CN209938842U (en) | Electric vehicle | |
| CN108607905A (en) | Guide type New Type Bending Pipe Unit | |
| CN218487595U (en) | Efficient welding tool for pushing bucket of snow shoveling vehicle | |
| CN215747551U (en) | Welding device for chain sleeve | |
| CN216805711U (en) | Sprocket crank that possesses telescopic machanism | |
| CN218658635U (en) | Steering knuckle deformation-prevention positioning fixture | |
| CN216682226U (en) | Large shaft clamping jaw tool | |
| CN2832649Y (en) | Improved bicycle front wheel steering structure | |
| CN217554087U (en) | Sprocket wheel torque sensor of electric power-assisted bicycle | |
| CN215747632U (en) | Self-adaptive wheel set bearing and bearing transition sleeve assembly clamping device | |
| CN220428165U (en) | Tool clamp | |
| CN219994334U (en) | Power-assisted gear shaft for automobile steering system | |
| CN111014349A (en) | Square tube correcting device | |
| CN209716976U (en) | Assembly line is used in a kind of assembling of seat | |
| CN215509891U (en) | Preceding swing arm assembly fixture and preceding swing arm assembly fixture | |
| CN208390727U (en) | Guide type New Type Bending Pipe Unit | |
| CN213169973U (en) | Fixing structure for ground rail accumulating trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |