CN208187868U - A kind of steel cold bending test machine - Google Patents
A kind of steel cold bending test machine Download PDFInfo
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- CN208187868U CN208187868U CN201820858450.8U CN201820858450U CN208187868U CN 208187868 U CN208187868 U CN 208187868U CN 201820858450 U CN201820858450 U CN 201820858450U CN 208187868 U CN208187868 U CN 208187868U
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- bending test
- oil cylinder
- test machine
- auxiliary oil
- cold bending
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Abstract
The utility model relates to a kind of steel cold bending test machines, including rack, hydraulic system, mandril, master cylinder, auxiliary oil cylinder.Master cylinder and auxiliary oil cylinder way traffic, no impact and creeping phenomenon.Spacing between auxiliary oil cylinder control support, reaches the angle for changing steel bending by changing the spacing between support.It is provided with three position four-way electromagnetic valve below auxiliary oil cylinder, by changing the working condition of three-dimensional four way solenoid valve to reach the working condition for changing steel cold bending test machine.It is additionally provided with an overflow valve in hydraulic system, not only plays a protective role to hydraulic system, also acts as decompression and shunts.The design has the characteristics that easy to operate, easy to use and reliable, work efficiency is high and is suitable for the steel pipe test that various bendings require.
Description
Technical field
The utility model relates to steel bending test detecting instrument equipment more particularly to a kind of steel cold bending test machines.
Background technique
Currently, steel bending detection has steel cold bending test machine to be completed.Patent CN101241059A is disclosed
A kind of steel cold bending test machine, including cabinet, hydraulic system, hydraulic system is by hydraulic cylinder, oil pump, fuel tank, manual reverse of direction valve group
At being provided with workbench at the top of cabinet, the rear end of workbench is provided with support plate, and front end is provided with adjusting bracket, hydraulic cylinder
Be inlaid in the middle part of support plate, be connected with mandril on the piston rod of hydraulic cylinder, the leading portion of mandril is connected with formed punch, adjusting bracket by
Left plate, right side plate, front shroud, back shroud, noseplate, rear bottom plate form, and are provided with left and right sliding block between left and right side plate, left
Right sliding block is connected to upper and lower screw rod by screw hole, and the front of left slider is connected with left column；The front of right sliding block is connected with right vertical
Column；The end of upper and lower screw rod stretches out in right side plate, connect with upper right, bottom right sprocket wheel, the outside of right side plate is provided with handwheel,
Handwheel is connect with drive sprocket, and drive sprocket is connected by chain with upper right, bottom right sprocket wheel.This patent passes through groove for steel
It is fixed on testing machine, the distance between bracket is changed by hand wheel rotating, design structure is ingenious.But because pass through hand wheel rotating
Apply the distance between pressure change support, work accuracy is not high, and problem is easy to appear in work, and entire mechanism is with regard to one
Hydraulic cylinder needs to control multiple movements simultaneously, also relatively high to its production requirement, and operation is also not very convenient, and also needs
It improves.
Utility model content
Problem to be solved in the utility model is to provide a kind of safe, easy to use, reliable, working efficiency easy to operate
A kind of high steel cold bending test machine.
In order to overcome steel cold bending test machine at work, the good bending angle of more precise control, the utility model relates to
A kind of steel cold bending test machine, including
Rack；
Hydraulic system, including master cylinder, auxiliary oil cylinder, solenoid valve, oil pump, fuel tank composition；
Mandril, fixed sample；
Master cylinder carries out sample cold roll forming；
Auxiliary oil cylinder carries out sample interference bending using hydraulic bidirectional cylinder loading.
The invention has the advantages that ensure that the output of pressure, auxiliary oil cylinder is in pressure by by hydraulic bidirectional cylinder loading
Output under, by three-position electromagnetic reversal valve, both controlled the working condition of operation, and also protected the stabilization of hydraulic system
Operation, master cylinder and auxiliary oil cylinder way traffic, avoid impact phenomenon, ensure that the stable operation of work.
Further, for the auxiliary oil cylinder after sample off-load, sample bent angle is 180 °.
Further, support is installed, support quantity is 2, is symmetrically installed with frame central in the rack.
Further, the support is controlled by auxiliary oil cylinder, and auxiliary oil cylinder can be reached by adjusting the distance between support
Change steel bending degree.It is more convenient simple by the regulation of auxiliary oil cylinder, it avoids and other regulating devices is installed, save
Cost.
Further, three position four-way electromagnetic valve is connected under the master cylinder, auxiliary oil cylinder, for controlling master cylinder, auxiliary oil cylinder
Working condition.Three position four-way electromagnetic valve can be convenient and simple control oil cylinder working condition, hydraulic system can also be carried out
Safe pressure maintaining, avoids hypertonia that hydraulic system is caused to break down.
Further, the fuel tank and oil pump medium design have an oil filter, cross impurity in oil strain.Oil filter can make to enter
Oil in hydraulic system more cleans, and filters out the impurity in oil, and impurity is avoided to enter solenoid valve to damage solenoid valve.
Further, the three position four-way electromagnetic valve is divided into respect of an overflow valve, for controlling uninterrupted.Overflow valve pair
Hydraulic system carries out safety guarantee, and when pressure is excessive, overflow valve is depressurized, and excess traffic can be made to overflow oil return box.
Further, the auxiliary oil cylinder quantity is 2, is arranged symmetrically centered on master cylinder.It is arranged symmetrically and ensure that oil
Road loop path is equal, works more accurate, runs simultaneously more convenient.
Further, the 3-position 4-way electromagnetism oil outlet intercommunication below the auxiliary oil cylinder is played pressure maintaining to oil circuit circuit and is made
With.The intercommunication of oil outlet can guarantee equal by the pressure of two auxiliary oil cylinders and keep balance, play guarantor to hydraulic system stabilization
Shield effect.
Further, a bottom plate is installed in the rack, is used for fixed frame.Bottom plate, which stablizes rack, to be fixed, and is guaranteed
The stability of machine at work.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of steel cold bending test machine of the utility model.
Fig. 2 is a kind of outline drawing of steel cold bending test machine of the utility model.
1, master cylinder；2, auxiliary oil cylinder；3, three-position electromagnetic reversal valve；4, oil pump；5, fuel tank；6, oil filter；7, overflow valve；8,
Support；9, bottom plate；10, rack；11, mandril；12, formed punch.
Specific embodiment
Combined with specific embodiments below, the content of the utility model is described in further detail:
Problem to be solved in the utility model is to provide a kind of safe, easy to use, reliable, working efficiency easy to operate
A kind of high steel cold bending test machine.
Fig. 1 is a kind of structural schematic diagram of steel cold bending test machine of the utility model.In order to overcome steel cold bending test machine
At work, the good bending angle of more precise control, the utility model relates to a kind of steel cold bending test machines, including
Rack 10；
Hydraulic system, including master cylinder 1, auxiliary oil cylinder 2, solenoid valve, oil pump 4, fuel tank 5 composition.
Mandril 11, fixed sample；
Master cylinder 1 carries out sample cold roll forming；
Auxiliary oil cylinder 2 carries out sample interference bending using hydraulic bidirectional cylinder loading；
The invention has the advantages that ensure that the output of pressure by by hydraulic bidirectional cylinder loading, auxiliary oil cylinder 2 is being pressed
Under the output of power, by three-position electromagnetic reversal valve 3, the working condition of operation was both controlled, hydraulic system is also protected
Stable operation, 2 way traffic of master cylinder 1 and auxiliary oil cylinder, avoids impact phenomenon, ensure that the stable operation of work.
Further, for the auxiliary oil cylinder 2 after sample off-load, sample bent angle is 180 °.
Further, support 8 is installed, 8 quantity of support is 2, with the installation of 10 central symmetry of rack in the rack.
Further, the support 8 is controlled by auxiliary oil cylinder 2, auxiliary oil cylinder 2 can by adjust support 8 between distance to
Reach and changes steel bending degree.It is more convenient simple by the regulation of auxiliary oil cylinder 2, it avoids and other regulating devices is installed, section
About cost.
In actual operation, the degree of steel bending depends on the distance between two supports 8, by the control of auxiliary oil cylinder 2,
Change the distance between support 8, to reach different degrees of production requirement.
Further, the master cylinder 1, auxiliary oil cylinder 2 are lower connects three position four-way electromagnetic valve 3, for controlling master cylinder 1, auxiliary
The working condition of oil cylinder 2.Three position four-way electromagnetic valve 3 can be convenient and simple control oil cylinder working condition, also can be to hydraulic pressure system
System carries out safe pressure maintaining, avoids hypertonia that hydraulic system is caused to break down.
In practical operation, three position four-way electromagnetic valve 3 has the working position of left, center, right three, at three position four-way electromagnetic valve 3
When left station, the piston rod of oil cylinder stretches out；When three position four-way electromagnetic valve 3 is in middle interdigit station, the piston rod of oil cylinder stops
Only move；When three position four-way electromagnetic valve 3 is in right working position, the piston rod of oil cylinder is retracted.When piston rod stretches out, mandril
11 move forward, and the formed punch 12 of 11 front end of mandril, which is withstood, resists steel middle position, apply pressure to steel, due to two supports 8
It is supplied to the opposite power of steel, to make steel bending.
Further, the fuel tank 5 has an oil filter 6 with 4 medium design of oil pump, crosses impurity in oil strain.Oil filter 6 can make
It is more cleaned into the oil in hydraulic system, filters out the impurity in oil, impurity is avoided to enter solenoid valve to damage solenoid valve.
Further, the three position four-way electromagnetic valve 3 is divided into respect of an overflow valve 7, for controlling uninterrupted.Overflow valve
Safety guarantee is carried out to 7 hydraulic systems, when pressure is excessive, overflow valve is depressurized, and excess traffic can be made to overflow oil return box 5.
Further, 2 quantity of auxiliary oil cylinder is 2, is arranged symmetrically centered on master cylinder 1.Being arranged symmetrically ensure that
Oil circuit loop path is equal, works more accurate, runs simultaneously more convenient.
Further, the 3 oil outlet intercommunication of three position four-way electromagnetic valve of 2 lower section of auxiliary oil cylinder, plays guarantor to oil circuit circuit
Pressure effect.The intercommunication of oil outlet can guarantee equal by the pressure of two auxiliary oil cylinders and keep balance, stablize to hydraulic system
To protective effect.
Fig. 2 is a kind of outline drawing of steel cold bending test machine of the utility model.Further, it is equipped in the rack 10
One bottom plate 9 is used for fixed frame 10.Bottom plate 9, which stablizes rack 10, to be fixed, and ensure that the stability of machine at work.
In actual operation, auxiliary oil cylinder 2 is arranged symmetrically, by the loading of two-way cylinder, more accurate stable control branch
Distance between seat 8.After continuing working for a long time, it unavoidably will appear some impurity in fuel tank 5, at this time oil filter 6 is set
Setting preferably to lead to it during avoiding impurity from entering solenoid valve etc. with hydraulic system for the contaminant filter in working oil
Damage.When oil initially enters in hydraulic system, and machine is started to work, if the oil mass flowed into is excessive, cause in hydraulic system
Pressure increases, and at this time overflow valve 7 can carry out dispersion flow to it, thus achieve the effect that decompression, safe and reliable and implementation
It is convenient.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of steel cold bending test machine characterized by comprising
Rack；
Hydraulic system, including master cylinder, auxiliary oil cylinder, solenoid valve, oil pump, fuel tank composition；
Mandril, fixed sample；
Master cylinder carries out sample cold roll forming；
Auxiliary oil cylinder carries out sample interference bending using hydraulic bidirectional cylinder loading.
2. a kind of steel cold bending test machine according to claim 1, it is characterised in that: the auxiliary oil cylinder is in sample off-load
Afterwards, sample bent angle is 180 °.
3. a kind of steel cold bending test machine according to claim 1, it is characterised in that: support is installed in the rack,
Support quantity is 2, is symmetrically installed with frame central.
4. a kind of steel cold bending test machine according to claim 3, it is characterised in that: the support is controlled by auxiliary oil cylinder,
Auxiliary oil cylinder can reach by adjusting the distance between support and change steel bending degree.
5. a kind of steel cold bending test machine according to claim 1, it is characterised in that: the solenoid valve is 3-position 4-way electricity
Magnet valve connects three position four-way electromagnetic valve under the master cylinder, auxiliary oil cylinder, for controlling the working condition of master cylinder, auxiliary oil cylinder.
6. a kind of steel cold bending test machine according to claim 1, it is characterised in that: the fuel tank and oil pump medium design
There is an oil filter, crosses impurity in oil strain.
7. a kind of steel cold bending test machine according to claim 5, it is characterised in that: the three position four-way electromagnetic valve is divided into
In respect of an overflow valve, for controlling uninterrupted.
8. a kind of steel cold bending test machine according to claim 1, it is characterised in that: the auxiliary oil cylinder quantity is 2, with
It is arranged symmetrically centered on master cylinder.
9. a kind of steel cold bending test machine according to claim 5, it is characterised in that: three four below the auxiliary oil cylinder
Energization magnetic oil outlet intercommunication, plays pressure maintaining effect to oil circuit circuit.
10. a kind of steel cold bending test machine according to claim 1, it is characterised in that: be equipped with a bottom in the rack
Plate is used for fixed frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858450.8U CN208187868U (en) | 2018-06-04 | 2018-06-04 | A kind of steel cold bending test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820858450.8U CN208187868U (en) | 2018-06-04 | 2018-06-04 | A kind of steel cold bending test machine |
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| Publication Number | Publication Date |
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| CN208187868U true CN208187868U (en) | 2018-12-04 |
Family
ID=64428034
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820858450.8U Active CN208187868U (en) | 2018-06-04 | 2018-06-04 | A kind of steel cold bending test machine |
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| CN (1) | CN208187868U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646289A (en) * | 2019-10-22 | 2020-01-03 | 成都西交轨道交通技术服务有限公司 | Spike stretching and cold bending test device and monitoring system |
| CN114705571A (en) * | 2022-06-07 | 2022-07-05 | 常州凯度机电有限公司 | Testing device for impact resistance of turbine blade |
-
2018
- 2018-06-04 CN CN201820858450.8U patent/CN208187868U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646289A (en) * | 2019-10-22 | 2020-01-03 | 成都西交轨道交通技术服务有限公司 | Spike stretching and cold bending test device and monitoring system |
| CN110646289B (en) * | 2019-10-22 | 2021-03-16 | 成都西交轨道交通技术服务有限公司 | Spike stretching and cold bending test device and monitoring system |
| CN114705571A (en) * | 2022-06-07 | 2022-07-05 | 常州凯度机电有限公司 | Testing device for impact resistance of turbine blade |
| CN114705571B (en) * | 2022-06-07 | 2022-08-26 | 常州凯度机电有限公司 | Testing device for impact resistance of turbine blade |
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