CN213397604U - Testing machine for detecting comprehensive performance of pressure torsion spring - Google Patents
Testing machine for detecting comprehensive performance of pressure torsion spring Download PDFInfo
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- CN213397604U CN213397604U CN202022462379.1U CN202022462379U CN213397604U CN 213397604 U CN213397604 U CN 213397604U CN 202022462379 U CN202022462379 U CN 202022462379U CN 213397604 U CN213397604 U CN 213397604U
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Abstract
The utility model relates to a testing machine for detecting comprehensive performance of a compression torsion spring, which comprises a testing machine base, a compression mechanism, a lifting mechanism and a torsion mechanism; the compression mechanism comprises a compression fixing frame, a pressure sensor, a positioning rod and a compression frame; the lifting mechanism comprises a ball screw, a screw connecting nut and a lifting servo motor; the torsion mechanism comprises a torsion servo motor, a motor transmission shaft, a torque sensor protective cover, a torque transmission piece and a spring positioning seat; a lifting servo motor of the lifting mechanism is fixed on the upper surface of the tester base through bolts, a compression fixing frame of the compression mechanism is fixed on a lead screw connecting nut of the lifting mechanism through bolts, and a torsion mechanism is fixed inside the tester base through bolts. The utility model discloses a testing machine has solved the detection difficult problem of main technical parameter under the pressure torsion spring operating condition.
Description
Technical Field
The utility model relates to a testing machine for pressing and turning round spring comprehensive properties and detect belongs to spring detection area.
Background
A certain product spring is located the connection position of two spare parts, and the spring is under two parameter effects of compressive force and moment of torsion after the assembly, and the during operation realizes two spare parts extension and cooperation targets in place through spring moment of torsion and compressive force effect. The spring testing machine sold in the market at present can only measure the compression force or the torque independently, and can not simulate the actual working state of the spring to detect multiple parameters. A special testing machine is needed to be designed for accurately detecting each parameter data under the spring working state, the spring can be compressed to the working height firstly, then is twisted to the working angle, and main parameter data in the testing process are measured in real time.
SUMMERY OF THE UTILITY MODEL
The utility model aims at carrying out comprehensive properties to the spring and detecting under the simulation actual operating condition.
The utility model aims at realizing through the following technical scheme:
the utility model discloses a testing machine for detecting comprehensive performance of a compression torsion spring, which comprises a testing machine base, a compression mechanism, a lifting mechanism and a torsion mechanism;
the compression mechanism comprises a compression fixing frame, a pressure sensor, a positioning rod and a compression frame; the screw rod connecting nut is fixedly connected with the compression fixing frame, the upper end of the pressure sensor is fixed on the upper end face of the compression fixing frame through a connecting rod, the lower end of the pressure sensor is connected with the upper end face of the compression frame through the connecting rod, two positioning rods are respectively arranged on two sides of the upper end of the compression frame, and the compression frame is guaranteed not to rotate under the action of torsional force through the lower end face of the compression fixing frame;
the lifting mechanism comprises a ball screw, a screw connecting nut and a lifting servo motor; the lifting servo motor is fixed on the tester base, the ball screw is connected with the lifting servo motor, the lifting servo motor drives the ball screw to rotate, the screw connecting nut is connected with the ball screw, and the screw connecting nut is driven to move up and down when the ball screw rotates;
the torsion mechanism comprises a torsion servo motor, a motor transmission shaft, a torque sensor protective cover, a torque transmission piece and a spring positioning seat; the torsion servo motor is fixed on the base of the testing machine, the torsion servo motor is connected with the lower end of the torque sensor protection cover through the transmission shaft, the torque sensor is fixed in the torque sensor protection cover, the spring positioning seat is fixed with the upper end of the torque sensor protection cover, the torque conduction piece is fixed with the measuring head of the torque sensor, the torque sensor protection cover is driven to rotate through the torsion servo motor, the torque conduction piece is in contact with the lower arm of the tested spring, and the torsion force borne by the spring is conducted to the torque sensor;
a lifting servo motor of the lifting mechanism is fixed on the upper surface of the tester base through bolts, a compression fixing frame of the compression mechanism is fixed on a lead screw connecting nut of the lifting mechanism through bolts, and a torsion mechanism is fixed inside the tester base through bolts.
Working process
Before the test, the ball screw is driven to rotate by the lifting servo motor, the tested spring is installed on the spring positioning seat after the compression mechanism is lifted to a proper position, and the torsion servo motor is used for driving the spring positioning seat to rotate to adjust the position of the torque transmission piece, so that the lower arm of the tested spring is matched with the torque transmission piece in place.
During testing, the ball screw is driven to rotate by the lifting servo motor, the compression mechanism is driven to compress the tested spring to a specified height, and the compression force and the deformation of the spring are measured; and then, a torsion servo motor is used for driving the spring positioning seat to rotate, when the torque measured by the torque sensor reaches the set initial torque, the system automatically clears the torsion angle value, the torsion mechanism rotates according to the set torsion speed and the torsion angle, and the torque of the measured spring is transmitted to the torque sensor through the torque transmission piece for measurement.
Advantageous effects
The testing machine of the utility model solves the detection problem of main technical parameters under the working state of the pressure torsion spring, and provides accurate data support for product design and manufacture; the device organically combines two tests of spring compression and torsion, and avoids the mutual influence of different measurement values through scientific and reasonable structural design; the automation of the detection process can be realized, the influence of human operation factors is reduced, and the operation difficulty of personnel is reduced.
Drawings
Fig. 1 is a schematic structural view of the testing machine of the present invention;
in the drawings, 1-a ball screw; 2-lead screw connecting nut; 3-a lifting servo motor; 4-tester base; 5-torsion servo motor; 6-motor drive shaft; 7-a torque sensor; 8-torque sensor protection cover; 9-a torque transmitter; 10-spring positioning seats; 11-a measured spring; 12-a compression frame; 13-positioning rods; 14-a pressure sensor; 15-compressing the fixing frame; 16-a compression mechanism; 17-a lifting mechanism; 18-torsion mechanism.
Detailed Description
The invention will be further described with reference to the accompanying drawings and examples.
Examples
As shown in fig. 1, the utility model discloses a testing machine for detecting comprehensive performance of compression torsion spring, which comprises a testing machine base 4, a compression mechanism 16, a lifting mechanism 17 and a torsion mechanism 18;
the compression mechanism 16 comprises a compression fixing frame 15, a pressure sensor 14, a positioning rod 13 and a compression frame 12; the screw rod connecting nut 2 is fixedly connected with the compression fixing frame 15, the upper end of the pressure sensor 14 is fixed on the upper end face of the compression fixing frame 15 through a connecting rod, the lower end of the pressure sensor 14 is connected with the upper end face of the compression frame 12 through a connecting rod, two positioning rods 13 are respectively installed on two sides of the upper end of the compression frame 12, and the compression frame 12 is guaranteed not to rotate under the action of torsional force through the lower end face of the compression fixing frame 15 by the positioning rods 13;
the lifting mechanism 17 comprises a ball screw 1, a screw connecting nut 2 and a lifting servo motor 3; the lifting servo motor 3 is fixed on the testing machine base 4, the ball screw 1 is connected with the lifting servo motor 3, the lifting servo motor 3 drives the ball screw 1 to rotate, the screw connecting nut 2 is connected with the ball screw 1, and the ball screw 1 drives the screw connecting nut 2 to move up and down when rotating;
the torsion mechanism 18 comprises a torsion servo motor 5, a motor transmission shaft 6, a torque sensor 7, a torque sensor protective cover 8, a torque transmitter 9 and a spring positioning seat 10; the torsion servo motor 5 is fixed on the testing machine base 4, the torsion servo motor 5 is connected with the lower end of a torque sensor protection cover 8 through a transmission shaft 6, a torque sensor 7 is fixed inside the torque sensor protection cover 8, a spring positioning seat 10 is fixed with the upper end of the torque sensor protection cover 8, a torque conduction piece 9 is fixed with a measuring head of the torque sensor 7, the torque sensor protection cover 8 is driven to rotate through the torsion servo motor 5, the torque conduction piece 9 is in contact with the lower arm of a tested spring 11, and the torsion borne by the spring is conducted to the torque sensor 7;
the elevating servo motor 3 of the elevating mechanism 17 is fixed on the upper surface of the testing machine base 4 by bolts, the compression fixing frame 15 of the compression mechanism 16 is fixed on the screw connecting nut 2 of the elevating mechanism 17 by bolts, and the torsion mechanism 18 is fixed inside the testing machine base 4 by bolts.
Working process
Before the test, the ball screw 1 is driven to rotate by the lifting servo motor 3, the compression mechanism 16 is lifted to a proper position, the tested spring 11 is installed on the spring positioning seat 10, and the spring positioning seat 10 is driven to rotate by the torsion servo motor 5 to adjust the position of the torque transmission piece 9, so that the lower arm of the tested spring 11 is matched with the torque transmission piece 9 in place.
During testing, the ball screw 1 is driven to rotate by the lifting servo motor 3, the compression mechanism 16 is driven to compress the tested spring 11 to a specified height, and the compression force and the deformation of the spring are measured; then, the torsion servo motor 5 is used for driving the spring positioning seat 10 to rotate, when the torque measured by the torque sensor 7 reaches the set initial torque, the system automatically clears the torsion angle value, the torsion mechanism 18 rotates according to the set torsion speed and the torsion angle, and the torque of the measured spring 11 is transmitted to the torque sensor 7 through the torque transmission piece 9 for measurement.
Claims (1)
1. The utility model provides a testing machine for pressing and turning round spring comprehensive properties and detecting which characterized by: comprises a tester base, a compression mechanism, a lifting mechanism and a torsion mechanism;
the compression mechanism comprises a compression fixing frame, a pressure sensor, a positioning rod and a compression frame; the screw rod connecting nut is fixedly connected with the compression fixing frame, the upper end of the pressure sensor is fixed on the upper end face of the compression fixing frame through a connecting rod, the lower end of the pressure sensor is connected with the upper end face of the compression frame through the connecting rod, two positioning rods are respectively arranged on two sides of the upper end of the compression frame, and the compression frame is guaranteed not to rotate under the action of torsional force through the lower end face of the compression fixing frame;
the lifting mechanism comprises a ball screw, a screw connecting nut and a lifting servo motor; the lifting servo motor is fixed on the tester base, the ball screw is connected with the lifting servo motor, the lifting servo motor drives the ball screw to rotate, the screw connecting nut is connected with the ball screw, and the screw connecting nut is driven to move up and down when the ball screw rotates;
the torsion mechanism comprises a torsion servo motor, a motor transmission shaft, a torque sensor protective cover, a torque transmission piece and a spring positioning seat; the torsion servo motor is fixed on the base of the testing machine, the torsion servo motor is connected with the lower end of the torque sensor protection cover through the transmission shaft, the torque sensor is fixed in the torque sensor protection cover, the spring positioning seat is fixed with the upper end of the torque sensor protection cover, the torque conduction piece is fixed with the measuring head of the torque sensor, the torque sensor protection cover is driven to rotate through the torsion servo motor, the torque conduction piece is in contact with the lower arm of the tested spring, and the torsion force borne by the spring is conducted to the torque sensor;
a lifting servo motor of the lifting mechanism is fixed on the upper surface of the tester base through bolts, a compression fixing frame of the compression mechanism is fixed on a lead screw connecting nut of the lifting mechanism through bolts, and a torsion mechanism is fixed inside the tester base through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462379.1U CN213397604U (en) | 2020-10-29 | 2020-10-29 | Testing machine for detecting comprehensive performance of pressure torsion spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022462379.1U CN213397604U (en) | 2020-10-29 | 2020-10-29 | Testing machine for detecting comprehensive performance of pressure torsion spring |
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| Publication Number | Publication Date |
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| CN213397604U true CN213397604U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022462379.1U Active CN213397604U (en) | 2020-10-29 | 2020-10-29 | Testing machine for detecting comprehensive performance of pressure torsion spring |
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| Country | Link |
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| CN (1) | CN213397604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235371A (en) * | 2021-12-18 | 2022-03-25 | 中国兵器工业第五九研究所 | Empennage spring storage life evaluation test device |
-
2020
- 2020-10-29 CN CN202022462379.1U patent/CN213397604U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235371A (en) * | 2021-12-18 | 2022-03-25 | 中国兵器工业第五九研究所 | Empennage spring storage life evaluation test device |
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