CN207689285U - A kind of novel loading device - Google Patents
A kind of novel loading device Download PDFInfo
- Publication number
- CN207689285U CN207689285U CN201721886390.2U CN201721886390U CN207689285U CN 207689285 U CN207689285 U CN 207689285U CN 201721886390 U CN201721886390 U CN 201721886390U CN 207689285 U CN207689285 U CN 207689285U
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- China
- Prior art keywords
- lead screw
- ball
- loading device
- novel loading
- wire bar
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Abstract
The utility model discloses a kind of novel loading devices,The novel loading device includes servo motor,Speed reducer,Ball screw,Ball wire bar pair,Lead screw connector,Lead screw guide rail and lead screw guide rod,The servo motor is connect by the first transmission device with speed reducer,The speed reducer is connect by the second transmission device with ball wire bar pair,The ball wire bar pair is assemblied on ball screw,The ball screw is fixedly connected with lead screw connector,Lead screw guide rod is also associated on the ball screw,The lead screw guide rod is caught in the guide groove of lead screw guide rail,To have control accuracy height,It is pollution-free,Maintenance and Repair are convenient,It takes up space small,It is capable of providing larger test load,It can be the advantages of keeping test force on sample when midway stops testing for some reason in experiment,It is low that the utility model solves prior art control accuracy,There are pollutions,Maintenance and Repair are inconvenient,The technical issues of occupying much room and larger test load can not be provided.
Description
Technical field
The utility model is related to creep test field, especially a kind of novel loading device.
Background technology
The creep of metal is highly important, creep test for certain engineering designs (especially working at high temperature)
It is usually carried out under conditions of simple tension, the mode for applying load is usually constant stress and permanent displacement, therefore it is required that creep tries
Simple tension load can be applied by testing equipment, and since conventional creep test requirements document smoothly applies load, creep test
Accurately controlling for load is particularly important in the process, in addition, conventional creep experiment also requires, midway stops for some reason in experiment
Test force, existing conventional hydraulic cylinder force application structure creep test loading device can be kept to compare when experiment on sample
It is more complex, and control accuracy is low, more since oil channel structures being distributed in experimental facilities, not only so that the volume of equipment is bigger than normal,
And oily pollution is easy tod produce, later maintenance maintenance is also cumbersome, and the creep test of existing purely mechanic counterweight force application structure adds
It carries and sets, need to occupy prodigious test space, and be difficult to provide larger test load, therefore be badly in need of developing a kind of control
Precision processed is high, pollution-free, Maintenance and Repair are convenient, it is small to take up space, is capable of providing in larger test load, experiment midway for some reason
Stop to keep the novel loading device of test force on sample when experiment.
Utility model content
A kind of in order to overcome the deficiencies of the prior art, the utility model provides novel loading device, solves existing skill
Art control accuracy is low, there are pollution, Maintenance and Repair are inconvenient, occupy much room and can not provide larger test load, examination
Testing can not be the technical issues of keeping test force when midway stops testing for some reason on sample.
A kind of novel loading device, the novel loading device include servomotor, gear reducer, ball screw, ball wire
Bar pair, lead screw connector, lead screw guide rail and lead screw guide rod, the servo motor are connected by the first transmission device and speed reducer
It connecing, the speed reducer is connect by the second transmission device with ball wire bar pair, and the ball wire bar pair is assemblied on ball screw,
The ball screw is fixedly connected with lead screw connector, and the ball screw is rotatablely connected with the lead screw guide rod, the lead screw
Guide rail is equipped with the guide groove parallel with the lead screw, and the lead screw guide rod is caught in the guide groove and can be slided along slot.
As a further improvement of the above technical scheme, first transmission device is shaft coupling.
As a further improvement of the above technical scheme, second transmission device include synchronous toothed belt, driving pulley,
Driven pulley, the driving pulley and driven pulley are engaged with synchronous toothed belt.
As a further improvement of the above technical scheme, the guide groove of the lead screw guide rail is provided at both ends with limit switch.
As a further improvement of the above technical scheme, the power output end of the speed reducer is fixed with driving pulley and is connected
It connects, the ball wire bar pair is assemblied on driven pulley and is fixedly connected with driven pulley.
As a further improvement of the above technical scheme, the ball screw is packed into after the ball wire bar pair across described
Driven pulley is simultaneously fixedly connected with lead screw connector.
As a further improvement of the above technical scheme, the lead screw connector is fixedly connected with grip of testing machine.
As a further improvement of the above technical scheme, the lead screw guide rod is caught in one of guide groove and is provided with ball
Bearing, the ball bearing can roll in the guide groove.
The utility model has the beneficial effects that:The utility model provides a kind of novel loading device, by using servo
The load mode of motor driven ball lead screw, so that loading device is had, control accuracy is high, pollution-free, Maintenance and Repair are convenient, accounts for
It is small according to space, be capable of providing in larger test load, experiment for some reason midway stop experiment when can be kept on sample test
The advantages of power, the utility model solve prior art control accuracy it is low, there are pollution, Maintenance and Repair are inconvenient, occupy very big sky
Between and the technical issues of larger test load can not be provided.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is a kind of overall structure diagram of novel loading device of the utility model one embodiment;
Fig. 2 a be a kind of novel loading device of the utility model one embodiment synchronous toothed belt and ball screw it
Between drive mechanism cut-away illustration;
Fig. 2 b be a kind of novel loading device of the utility model one embodiment synchronous toothed belt and ball screw it
Between drive mechanism schematic diagram.
Specific implementation mode
The technique effect of the design of the utility model, concrete structure and generation is carried out with attached drawing with reference to embodiments clear
Chu is fully described by, to fully understand the purpose of this utility model, scheme and effect.It should be noted that in the feelings not conflicted
The features in the embodiments and the embodiments of the present application can be combined with each other under condition.In addition used in the utility model it is upper,
Under, the descriptions such as left and right be only in opposite figure for each component part mutual alignment relation of the utility model.
Referring to Fig.1, a kind of novel loading device, including servo motor 1, speed reducer 2, ball screw 8, ball wire bar pair 7,
Lead screw connector 9, lead screw guide rail 10 and lead screw guide rod 11, the servo motor 1 are connected by the first transmission device and speed reducer 2
It connects, the speed reducer 2 is connect by the second transmission device with ball wire bar pair 7, and the ball wire bar pair 7 is assemblied in ball screw
On 8, the ball screw 8 is fixedly connected with lead screw connector 9, and lead screw guide rod 11 is also associated on the ball screw 8, described
Lead screw guide rod 11 is caught in the guide groove of lead screw guide rail 10.
Preferably, first transmission device is shaft coupling, and second transmission device is synchronous toothed belt 3, main belt
Wheel 4, driven pulley 5, the driving pulley 4 and driven pulley 5 are engaged with synchronous toothed belt 3.
Preferably, the novel loading device is mounted in the headstock of testing machine, the power output position of the headstock
It installs and is equipped with bearing block 6, the driven pulley 5 is assemblied in the axis hole of bearing block 6, is provided in the axis hole of the bearing block 6
Bearing 61.
Preferably, the driving link of the novel loading device is servo motor 1, and the servo motor 1 can pass through control
Rotating speed is arranged in system, and the servo motor 1 outputs power to speed reducer 2, and it is preferable to use harmonic wave speed reducing machines for speed reducer 2, described
Harmonic wave speed reducing machine has the advantages that stable drive, low noise, small, precision is high, large carrying capacity, and passes through harmonic reduction
The characteristic of machine self-locking, dashing forward can realize that guarantor carries (machine testing power is made to be maintained) in test in the case of meeting power failure in short-term.
Preferably, 2 power output end of the speed reducer is fixedly connected with driving pulley 4, and the ball wire bar pair 7 is assemblied in
It is fixedly connected on driven pulley 5 and with driven pulley 5.
With reference to Fig. 2 a and Fig. 2 b, driven pulley 5, which is mounted in the bearing block 6 and is rolled with the bearing 61, to be coordinated, from
Movable belt pulley 5 is provided with coaxial through-hole, and the through-hole is divided into two sections, close to through hole section and the ball wire of the bearing block 6
Bar 8 coordinates, and the through hole section far from the bearing block 6 coordinates with the ball wire bar pair 7, and ball wire bar pair 7 is fixedly connected on far
Through hole section from the bearing block 6, ball screw 8 pass through the through-hole close to the bearing block 6 after being packed into the ball wire bar pair 7
Section and stretching out is fixedly connected with the lead screw connector 9 outside the headstock, and the lead screw connector 9 fixes company with grip of testing machine 12
It connects.
Preferably, the opposite one end in position is fixedly connected on ball screw 8 with lead screw connector 9 and is fixedly connected with lead screw guiding
Bar 11, the lead screw guide rod 11 is vertical with 8 direction of motion of ball screw, and the lead screw guide rod 11 is caught in lead screw guide rail 10
One is provided with ball bearing, and the ball bearing can roll in 10 guide groove of lead screw guide rail.
Preferably, for the movement of ball screw 8 to be oriented to and limited, lead screw guide rail 10 is set the lead screw guide rail 10
It is equipped with the guide groove for being oriented to ball screw 8, the lead screw guide rod 11 is caught in the guide groove of lead screw guide rail 10,
The guide groove of the lead screw guide rail 10 is provided at both ends with limit switch 101, and the limit switch 101 is used to be oriented to the lead screw
The movement of bar 11 is limited.
The servo motor 1 outputs power to speed reducer 2, and the power input of servo motor 1 is become steady by speed reducer 2
After, while outputing power to driving pulley 4, driving pulley 4 is by driving the movement of synchronous toothed belt 3 to move transmission
To driven pulley 5, while torque is also increased, driven pulley 5 drives ball wire bar pair 7 to rotate, and ball wire bar pair 7 drives ball
Lead screw 8 realizes that the reciprocating motion on loading direction, guide rail can be oriented to and limited to ball screw 8 along guide rail.
Novel loading device have control accuracy is high, pollution-free, Maintenance and Repair are convenient, it is small to take up space, be capable of providing compared with
It can be the advantages of keeping test force on sample when midway stops experiment for some reason in big test load, experiment.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art answers
This is understood, is not departing from the spirit and scope of the utility model defined by described claims, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (8)
1. a kind of novel loading device, which is characterized in that the novel loading device includes servomotor, gear reducer, ball wire
Bar, ball wire bar pair, lead screw connector, lead screw guide rail and lead screw guide rod, the servo motor by the first transmission device with
Speed reducer connects, and the speed reducer is connect by the second transmission device with ball wire bar pair, and the ball wire bar pair is assemblied in rolling
On ballscrew, the ball screw is fixedly connected with lead screw connector, and the ball screw is rotatablely connected with the lead screw guide rod,
The lead screw guide rail is equipped with the guide groove parallel with the lead screw, and the lead screw guide rod is caught in the guide groove and can edge
Slot slides.
2. a kind of novel loading device according to claim 1, which is characterized in that first transmission device is shaft coupling
Device.
3. a kind of novel loading device according to claim 1, which is characterized in that second transmission device includes synchronizing
Toothed belt, driving pulley, driven pulley, the driving pulley and driven pulley are engaged with synchronous toothed belt.
4. a kind of novel loading device according to claim 1, which is characterized in that the guide groove both ends of the lead screw guide rail
Limit switches are set.
5. a kind of novel loading device according to claim 3, which is characterized in that the power output end of the speed reducer with
Driving pulley is fixedly connected, and the ball wire bar pair is assemblied on driven pulley and is fixedly connected with driven pulley.
6. a kind of novel loading device according to claim 5, which is characterized in that the ball screw is packed into the ball
The driven pulley is passed through after screw pair and is fixedly connected with lead screw connector.
7. a kind of novel loading device according to claim 6, which is characterized in that the lead screw connector and grip of testing machine
It is fixedly connected.
8. a kind of novel loading device according to claim 1, which is characterized in that the lead screw guide rod is caught in guide groove
One be provided with ball bearing, the ball bearing can roll in the guide groove.
Priority Applications (1)
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CN201721886390.2U CN207689285U (en) | 2017-12-27 | 2017-12-27 | A kind of novel loading device |
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CN201721886390.2U CN207689285U (en) | 2017-12-27 | 2017-12-27 | A kind of novel loading device |
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CN207689285U true CN207689285U (en) | 2018-08-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114371119A (en) * | 2021-12-10 | 2022-04-19 | 核工业西南物理研究院 | Liquid metal multi-sample constant-load stress corrosion test device and method |
-
2017
- 2017-12-27 CN CN201721886390.2U patent/CN207689285U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114371119A (en) * | 2021-12-10 | 2022-04-19 | 核工业西南物理研究院 | Liquid metal multi-sample constant-load stress corrosion test device and method |
CN114371119B (en) * | 2021-12-10 | 2023-06-13 | 核工业西南物理研究院 | Liquid metal multi-sample constant-load stress corrosion test device and method |
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