CN214502884U - Hollow front spindle nose torsion test bench - Google Patents
Hollow front spindle nose torsion test bench Download PDFInfo
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- CN214502884U CN214502884U CN202023072125.5U CN202023072125U CN214502884U CN 214502884 U CN214502884 U CN 214502884U CN 202023072125 U CN202023072125 U CN 202023072125U CN 214502884 U CN214502884 U CN 214502884U
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- chuck
- hollow front
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Abstract
The utility model discloses a hollow front spindle nose torsion test stand, which comprises a base and a direct drive motor arranged on the base, wherein a bracket is arranged at the position opposite to the direct drive motor on the base in a sliding way, a flange plate is arranged on the bracket, and a chuck corresponding to the flange plate is arranged on an output shaft of the direct drive motor; a motor is arranged on one side, far away from the slide way, of the base, a ball screw assembly is connected to an output shaft of the motor, and a nut seat in the ball screw assembly is connected with the support through a connecting block; position department is equipped with positioning mechanism between ring flange and the chuck on the base, positioning mechanism includes the fixed block of bolted connection in the base slideway both sides and establishes the locating plate on the fixed block, and two locating plate symmetries set up on two fixed blocks, and open on locating plate upper portion has the arc wall that is used for placing the work piece that awaits measuring. The utility model discloses the commonality is strong, has guaranteed positioning accuracy in the time of easy to assemble, and positioning mechanism conveniently dismantles.
Description
Technical Field
The utility model relates to a torsion test technical field especially relates to a hollow front axle head torsion test platform.
Background
The automobile transmission shaft is used as an important part for transmitting power in an automobile transmission system, and can transmit the power of an engine to wheels together with a gearbox and a drive axle so as to enable an automobile to generate driving force. In the light weight design of an automobile, a front shaft head in a front shaft assembly of a transmission shaft is of a hollow structure. This requires a torsional strength test to compare the yield torques of the hollow front axle head front axle assembly and the solid front axle head front axle assembly. The existing torsion test equipment is mostly driven by hydraulic pressure, and has high cost, difficult maintenance and poor universality. And the existing twisting equipment is manually and directly placed when a workpiece is placed, but the transmission shaft assembly is heavy, so that the problems of high working strength and inconvenient installation are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hollow front axle head twists reverse test bench to solve the poor and inconvenient technical problem of installation of commonality that exists among the prior art.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: a torsion test stand for a hollow front shaft head comprises a base and a control motor arranged on the base, wherein a vertical support is slidably arranged at the position, opposite to the control motor, on the base through a slideway, a vertical flange plate is arranged on the support, and a chuck corresponding to the flange plate is arranged on an output shaft of the control motor;
a motor is arranged on one side, far away from the slide way, of the base, a ball screw assembly is connected onto an output shaft of the motor, the ball screw assembly comprises a screw, a nut seat arranged on the screw, a fixed seat and a supporting seat, the nut seat can be driven to move left and right by the rotation of the screw, and the nut seat is connected with the support through a connecting block;
a positioning mechanism is arranged between the base upper flange and the chuck and comprises fixed blocks which are connected with two sides of the base upper slideway through bolts and positioning plates arranged on the fixed blocks, the two positioning plates are symmetrically arranged on the two fixed blocks, and the base is provided with a plurality of threaded holes for connecting the fixed blocks; the T-shaped sliding column used for being connected with the positioning plates in a sliding mode is arranged on the fixing block, the T-shaped through grooves corresponding to the sliding column are formed in the lower portion of the positioning plates, the arc-shaped grooves used for containing workpieces to be measured are formed in the upper portions of the positioning plates, the two positioning plates are connected together through bolts, and the arc-shaped grooves in the two positioning plates are spliced into semicircular through grooves.
Furthermore, a stop block is arranged on one side, close to the slide way, of the upper portion of the fixing block, and a limiting through groove is formed in one side, close to the stop block, of the lower portion of the positioning plate.
Furthermore, the positioning plate is perpendicular to the sliding direction of the bracket along the sliding direction of the sliding column.
Furthermore, a pin hole is formed in the positioning plate on one side, and a corresponding positioning column is arranged on the positioning plate on the other side.
Furthermore, the output shaft of the control motor is connected with the chuck through a torque sensor, a vertical mounting seat is sleeved outside the chuck, and the mounting seat is fixed on the base.
Furthermore, the output shaft of motor passes through the shaft coupling and links to each other with lead screw one end, the lead screw is close to the one end of motor and passes through the fixing base and establish on the base, and the other end of lead screw passes through the supporting seat and establishes on the base.
According to the technical scheme, the beneficial effects of the utility model are that:
(1) the torsion test bed provided by the utility model adopts the control motor to provide power, and is easy to maintain; the ball screw is adopted to control the leftward and rightward sliding of the support, so that the leftward and rightward sliding of the flange plate is controlled, the control precision is high, the flange plate is suitable for workpieces of different sizes, and the universality is high.
(2) Be equipped with positioning mechanism in the centre gripping space, when installing the work piece at the test bench, can fix a position heavier work piece, operating personnel only need to work piece both sides fixed can, guaranteed positioning accuracy when easy to assemble.
(3) The position of the positioning mechanism on the base can be adjusted, and the universality is strong; the positioning mechanism is two positioning plates which are spliced together, so that the positioning mechanism is convenient to disassemble, and the mounting precision of the two positioning plates is ensured by arranging the stop block and the sliding column on the fixing block for fixing the positioning plates.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the positioning mechanism of the present invention;
fig. 3 is a schematic structural view of the front axle assembly of the present invention.
The labels in the figure are: 1. the device comprises a control motor, 2, a mounting seat, 3, a chuck, 4, a motor, 5, a fixed seat, 6, a lead screw, 7, a nut seat, 8, a supporting seat, 9, a slideway, 10, a support, 11, a flange plate, 12, a positioning mechanism, 13, a base, 14, a torque sensor, 15, a front shaft assembly, 16, a positioning plate, 17 and a fixed block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a hollow front spindle nose torsion test bench, includes base 13, establishes control motor 1 on base 13, control motor 1 has vertical support 10 through slide 9 slidable mounting in offside position department on base 13, be equipped with vertical ring flange 11 on the support 10, be equipped with the chuck 3 corresponding with ring flange 11 on control motor 1's the output shaft, control motor 1's output shaft passes through torque sensor 14 and links to each other with chuck 3, chuck 3 overcoat is equipped with vertical mount pad 2, mount pad 2 is fixed on base 13. The axis of the flange plate 11 is consistent with the axis of the chuck 3, and the axis of the semicircular through grooves of the two positioning plates 16 is consistent with the axis of the flange plate 11 and the axis of the chuck 3.
As shown in fig. 3, the front axle assembly 15 of the hollow front axle head includes a flange, a front axle head, a front axle and a universal joint with a cross axle type, and the front axle assembly 15 is a workpiece to be tested in the current torsion test. When the front axle assembly 15 is subjected to a torsion test, the flange is bolted to the flange plate 11, and the universal joint of the cross shaft type is clamped in the chuck 3.
The motor 4 is arranged on one side, far away from the slide 9, of the base 13, the ball screw assembly is connected to an output shaft of the motor 4 and comprises a screw 6, a nut seat 7 arranged on the screw 6, a fixed seat 5 and a supporting seat 8. The output shaft of motor 4 passes through the shaft coupling and links to each other with 6 one end of lead screw, 6 one end that is close to motor 4 of lead screw passes through fixing base 5 and establishes on base 13, and the other end of lead screw 6 passes through supporting seat 8 and establishes on base 13.
The screw 6 rotates to drive the nut seat 7 to move left and right, and the nut seat 7 is connected with the support 10 through a connecting block. Thereby rotate through starter motor 4 and drive lead screw 6 and rotate, and then drive nut seat 7 and remove about along lead screw 6, and then drive ring flange 11 on the support 10 and be close to or keep away from chuck 3, can adjust the distance between ring flange 11 and the chuck 3. The flange plate 11 is initially positioned at the leftmost end of the base 13, and after the length of the workpiece to be measured is determined, the distance between the flange plate 11 and the chuck 3 is determined, so that the distance that the flange plate 11 needs to move can be determined.
Position department is equipped with positioning mechanism 12 on base 13 between ring flange 11 and the chuck 3, positioning mechanism 12 includes bolted connection fixed block 17 of slide 9 both sides and the locating plate 16 of establishing on fixed block 17 on base 13, and two locating plate 16 symmetries set up on two fixed blocks 17, it has a plurality of screw holes that are used for connecting fixed block 17 to open on base 13, and the screw hole of accessible different positions is connected fixed block 17 in the different positions department of base 13 to distance between adjustment positioning mechanism 12 and ring flange 11 and the chuck 3. After the length of the workpiece to be measured is determined, the position of the positioning mechanism 12 can be determined, and when the test is started, the fixed block 17 is connected to the base 13.
The T-shaped sliding columns used for being connected with the positioning plates 16 in a sliding mode are arranged on the fixing blocks 17, T-shaped through grooves corresponding to the sliding columns are formed in the lower portions of the positioning plates 16, arc-shaped grooves used for containing workpieces to be measured are formed in the upper portions of the positioning plates 16, the two positioning plates 16 are connected together through bolts, and the arc-shaped grooves in the two positioning plates 16 are spliced into semicircular through grooves.
A stop block is arranged on one side, close to the slide 9, of the upper portion of the fixing block 17, and a limiting through groove is formed in one side, close to the stop block, of the lower portion of the positioning plate 16. The positioning plate 16 is perpendicular to the sliding direction of the bracket 10 along the sliding direction of the sliding column. The positioning plate 16 on one side is provided with a pin hole, and the positioning plate 16 on the other side is provided with a corresponding positioning column.
When the two positioning plates 16 are installed, the positioning plate 16 on one side is connected to the fixing block 17 along the sliding columns on the fixing block 17 until the inner side surface of the limiting through groove below the positioning plate 16 is in contact with the stop block on the fixing block 17. The other side locating plate 16 is installed the same, but in the pinhole can be worn to establish by the reference column in the installation to guarantee the installation accuracy of two locating plates 16, lock two locating plates through the bolt at last.
The utility model discloses a theory of operation does:
firstly, two positioning plates 16 are arranged on a fixing block 17, then a front shaft assembly 15 is placed in a semicircular groove of the positioning plates 16, one end of the front shaft assembly 15 is close to a chuck 3 along the semicircular groove, and one end of the front shaft assembly 15 is fixed through the chuck 3. The motor 4 is started to rotate, the wire flange plate 11 is driven to move along the slide way 9 towards the direction close to the chuck 3 until the flange plate 11 is contacted with the other end of the front shaft assembly 15, then the front shaft assembly 15 is fixed on the flange plate 11, and the front shaft assembly 15 is fixed. And then the two positioning plates 16 are disassembled and moved out, the control motor 1 is started, and the workpiece to be tested is driven by the control motor 1 to rotate, so that the yield torque of the workpiece to be tested is tested.
It should be noted that the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention all fall into the protection scope of the present invention.
Claims (6)
1. The utility model provides a hollow front axle head twists reverse test bench, includes base (13), establishes control motor (1) on base (13), its characterized in that: a vertical support (10) is slidably mounted at the position, opposite to the control motor (1), on the base (13) through a slide way (9), a vertical flange (11) is arranged on the support (10), and a chuck (3) corresponding to the flange (11) is arranged on an output shaft of the control motor (1);
a motor (4) is arranged on one side, far away from the slide way (9), of the base (13), a ball screw assembly is connected onto an output shaft of the motor (4), the ball screw assembly comprises a screw (6), a nut seat (7) arranged on the screw (6), a fixed seat (5) and a supporting seat (8), the screw (6) rotates to drive the nut seat (7) to move along the screw (6), and the nut seat (7) is connected with the support (10) through a connecting block;
a positioning mechanism (12) is arranged between the flange plate (11) and the chuck (3) on the base (13), the positioning mechanism (12) comprises fixing blocks (17) which are connected to two sides of the slideway (9) on the base (13) through bolts and positioning plates (16) arranged on the fixing blocks (17), the two positioning plates (16) are symmetrically arranged on the two fixing blocks (17), and the base (13) is provided with a plurality of threaded holes for connecting the fixing blocks (17); be equipped with the T shape traveller that is used for sliding connection locating plate (16) above fixed block (17), open below locating plate (16) and have led to the groove with the T shape that the traveller is corresponding, open on locating plate (16) upper portion has the arc wall that is used for placing the work piece that awaits measuring, two locating plates (16) pass through bolted connection together, and the arc wall on two locating plates (16) is to piecing together to be the semicircle and leads to the groove.
2. The hollow front spindle nose torsion test stand of claim 1, characterized in that: one side of the upper part of the fixing block (17) close to the slide way (9) is provided with a stop block, and one side of the lower part of the positioning plate (16) close to the stop block is provided with a limiting through groove.
3. The hollow front spindle nose torsion test stand of claim 2, characterized in that: the positioning plate (16) is perpendicular to the sliding direction of the bracket (10) along the sliding direction of the sliding column.
4. The hollow front spindle nose torsion test stand of claim 3, characterized in that: a pin hole is formed in the positioning plate (16) on one side, and a corresponding positioning column is arranged on the positioning plate (16) on the other side.
5. The hollow front spindle nose torsion test stand of claim 4, characterized in that: the output shaft of control motor (1) passes through torque sensor (14) and links to each other with chuck (3), chuck (3) overcoat is equipped with vertical mount pad (2), mount pad (2) are fixed on base (13).
6. The hollow front spindle nose torsion test stand of claim 5, characterized in that: the output shaft of motor (4) passes through the shaft coupling and links to each other with lead screw (6) one end, lead screw (6) are close to the one end of motor (4) and pass through fixing base (5) and establish on base (13), and the other end of lead screw (6) passes through supporting seat (8) and establishes on base (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023072125.5U CN214502884U (en) | 2020-12-18 | 2020-12-18 | Hollow front spindle nose torsion test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023072125.5U CN214502884U (en) | 2020-12-18 | 2020-12-18 | Hollow front spindle nose torsion test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214502884U true CN214502884U (en) | 2021-10-26 |
Family
ID=78209249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023072125.5U Active CN214502884U (en) | 2020-12-18 | 2020-12-18 | Hollow front spindle nose torsion test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214502884U (en) |
-
2020
- 2020-12-18 CN CN202023072125.5U patent/CN214502884U/en active Active
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