CN206161456U - Brinell hardness tester's hydraulic system - Google Patents
Brinell hardness tester's hydraulic system Download PDFInfo
- Publication number
- CN206161456U CN206161456U CN201621162049.8U CN201621162049U CN206161456U CN 206161456 U CN206161456 U CN 206161456U CN 201621162049 U CN201621162049 U CN 201621162049U CN 206161456 U CN206161456 U CN 206161456U
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- CN
- China
- Prior art keywords
- oil
- integrated package
- duct
- hardness tester
- brinell hardness
- 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.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a brinell hardness tester's hydraulic system, it includes a pressure head and an integrated package, pressure head bottom rigid coupling has the steel ball of hardening, slide and set up in pressure head upper portion in the integrated package and with leave the pressurization chamber between the integrated package, be equipped with an oil absorption chamber, an oil storage chamber, a first pore, a second pore and a third pore in the integrated package, the oil absorption intracavity has set inhales the oil column stopper, oil absorption chamber entry with the pressurization is passed through between the chamber first pore intercommunication, oil absorption chamber export with the oil storage is passed through between the chamber second pore intercommunication, third pore one end with oil storage chamber intercommunication, the other end with the check valve low reaches department intercommunication that produces oil in second pore. Brinell hardness tester's hydraulic system can make brinell hardness tester use at arbitrary environment, easy operation, and convenient to carry can appear the large -scale work piece of field test and unnecessary sample, can realize pursuing of large -scale work piece and detect.
Description
Technical field
The utility model belongs to hardometer technical field, and in particular to a kind of hydraulic system of Brinell hardness tester.
Background technology
Hardness represents that metal material resists the ability that hard object is pressed into its surface, and it is the important performance indexes of metal material
One of, general hardness is higher, and wearability is better.Used as one kind of hardness measurement, measuring principle is brineling：Will be certain
Load (general 3000kg) a certain size (diameter is generally 10mm) harden steel ball press-in material surface, keep one section when
Between, after unloading, load is ball hardness number (HB) with the ratio of its area of indentation.The advantage of brineling be have compared with
High certainty of measurement, the area of indentation is big, can be also calibrated in the average hardness of interior reflection material in a big way, the hardness number for measuring
Really, data redundancy is strong, it is adaptable to cast iron, nonferrous alloy, various annealing and quenched steel.
Existing Brinell hardness testing equipment mainly has two kinds of frame modes：One kind is hammering and rolling loading structure, this structure
Huge, the generally fixed desk-top working face of equipment profile, complex operation needs to arrange for professional quality inspection personnel operation, commonly
Workman can not grasp, it is adaptable to a small amount of sample detecting of blank, generally only use in laboratory, be difficult to the actual production in workshop
During comprehensive detection to blank, semi-finished product and finished product；Another kind is automatic turret digital brinell hardness tester, is adopted
CPU is controlled, and sensor collection signal, the closed-loop control system of stepper motor loading, the equipment of this mechanism is not suitable for field
Work, is not suitable for the occasion without electricity yet.
The content of the invention
Therefore, the utility model for Brinell hardness tester in prior art loading and control structure profile it is larger, mobile
Technical problem inconvenient to carry, it is therefore intended that provide one kind can make Brinell hardness tester any environment using, it is simple to operate, take
Hydraulic system with convenient Brinell hardness tester.
The hydraulic system of Brinell hardness tester of the present utility model includes a pressure head and an integrated package；The pressure head bottom is affixed
There is the steel ball that hardens, the pressure head top is slidably arranged in the integrated package and leaves pressurizing chamber and the integrated package between；Institute
State and be provided with integrated package an oil sucting cavity, a shoe cream room, one first duct, one second duct and one the 3rd duct；The oil sucting cavity
Oil suction plunger is inside equipped, by first hole link between the oil sucting cavity entrance and the pressurizing chamber, the oil suction
Chamber is exported by second hole link and the shoe cream room between, and first duct is provided with an oil sucting one-way valve, institute
State the second duct and be provided with an oil outlet one-way valve；3rd duct is provided with a quick fuel outlet valve, and the 3rd duct one
End connects with the shoe cream room, and the other end is connected with the oil outlet one-way valve downstream in second duct.
In a preferred embodiment of the present utility model, the separation layer of a tubbiness, the separation layer are provided with the integrated package
The capping of tubbiness is covered with above, and the pressure head is in tubbiness and gap is set in below the separation layer, and the shoe cream room is institute
The cavity that separation layer and the lidstock are formed is stated, the pressurizing chamber is between the pressure head inwall and the separation layer outer wall
The gap left.
In a preferred embodiment of the present utility model, one the 4th duct, the 4th duct are additionally provided with the integrated package
A relief valve (safety valve) is provided with, and described 4th duct one end connects with the shoe cream room, the other end and second hole
Connect at the oil outlet one-way valve downstream in road.
In a preferred embodiment of the present utility model, the oil sucting one-way valve, the oil outlet one-way valve and described quickly put
Fuel tap is ball sealing valve, and the quick fuel outlet valve is the manual ball valve sealed using ball.Using ball sealing valve
Sealing demand is met, while the pin type sealing valve cost high compared to scrappage is substantially reduced.In addition, the spheroid of ball sealing valve
Steel ball can be adopted, the spheroid of the other materials such as polytetrafluoroethylene (PTFE), copper, ceramics may also be employed.
In a preferred embodiment of the present utility model, the oil suction plunger top is connected with one and prolongs by reciprocating transmission mechanism
The reinforcing rocking handle of the oil suction plunger upward and downward is extended outside the integrated package, can order about, the reciprocating transmission mechanism is tooth
Wheel mechanism, cam mechanism or crank mechanism.
In a preferred embodiment of the present utility model, the gear mechanism includes what the oil suction plunger top side was provided with
Dentalation and one with the dentalation meshed gears, the pinion rotation be arranged on the integrated package in and with it is described plus
Power rocking handle connects.
In a preferred embodiment of the present utility model, the oil sucting cavity is cylindrical cavity, and the oil suction plunger lower end is corresponding
Cylinder and be provided with twice O connected in star, be arranged with a sealing ring on groove described in two respectively.The setting of the sealing ring can be effective
Sealing is improved, oil suction volumetric efficiency can be caused to increase by 5%.Certainly, also groove can be set in the oil suction cavity wall and is embedded in
Sealing ring, can equally reach sealing effectiveness.
In a preferred embodiment of the present utility model, it also includes that one is arranged on described for determining above the integrated package
The load of pressurization cavity pressure shows table.
In a preferred embodiment of the present utility model, it also includes the portable shelf that a bottom is fixed on rear side of the integrated package
It is convenient for carrying.
Positive effect of the present utility model is：
In the hydraulic system of the Brinell hardness tester, the integrated package is by the pressure head, the pressurizing chamber, the shoe cream room
It is integrated with the oil sucting cavity collection, during loading, only needs the manually operated reinforcing rocking bar to oscillate, by the reciprocal biography
Motivation structure orders about the oil suction plunger upward and downward, the first duct described in Jing from draw oil in the shoe cream room, and by liquid
Second duct described in force feed Jing is pressed in the pressurizing chamber, and then by pressure head ejection, makes the steel ball that hardens wait to measure and monitor the growth of standing timber
Material surface forms impression and measures hardness.And the relief valve can be used for Control experiment load, when pressure reaches 3000kg, institute
Stating relief valve can automatically open up, be pressed into the pressurizing chamber section hydraulic oil can the 4th duct described in Jing be back to the oil storage
Chamber, the pressure in so described pressurizing chamber will fall after rise, test force is ensured in preset range, so as to ensure certainty of measurement.
To sum up, not only loading is simple to operate for the hydraulic system of the Brinell hardness tester of the present utility model, and structure chi
It is very little to be simplified significantly, so that the overall dimensions of Brinell hardness tester are greatly reduced, it is easy to carry, can make in any environment
With, can on-the-spot test large-scale workpiece without sampling, be capable of achieving large-scale workpiece detection piece by piece.
Description of the drawings
Fig. 1 is the front view of the hydraulic system of Brinell hardness tester of the present utility model；
Fig. 2 is the top view of the hydraulic system of Brinell hardness tester of the present utility model；
Fig. 3 is the rearview of the hydraulic system of Brinell hardness tester of the present utility model；
Fig. 4 is the right view of the hydraulic system of Brinell hardness tester of the present utility model；
Fig. 5 is A-A faces sectional view in Fig. 2；
Fig. 6 is the left view (including D-D sections and E-E sections) of integrated package；
Fig. 7 is B-B faces sectional view in Fig. 2；
Fig. 8 is C-C faces sectional view in Fig. 2；
Fig. 9 is the operation principle schematic diagram of the hydraulic system of Brinell hardness tester of the present utility model.
Specific embodiment
Further is made to the hydraulic system of Brinell hardness tester of the present utility model below with reference to specific embodiments and the drawings
Explanation.
Fig. 1～4 show the hydraulic system of the Brinell hardness tester of a preferred embodiment of the present utility model.It includes pressure head
1st, integrated package 2, reinforcing rocking bar 3, load show table 4 and portable shelf 5.
As shown in figure 5, pressure head 1 is barrel-like structure, bottom is tapered and is connected with the steel ball 101 that hardens.
The separation layer 201 of tubbiness is provided with integrated package 2, separation layer 201 is covered with above the sealing of capping 202 of tubbiness and is formed
Shoe cream room 203；The gap of pressure head 1 is set in below separation layer 201, between leaving between the inwall of pressure head 1 and the outer wall of separation layer 101
Gap is pressurizing chamber 204.
Oil sucting cavity 205, the first duct 206, the second duct the 207, the 3rd are provided with integrated package 2 positioned at the side of separation layer 201
The duct 209 of duct 208 and the 4th.As shown in fig. 6, oil sucting cavity 205 is for cylindrical cavity and inside is equipped with oil suction plunger 210, oil suction
Dentalation that the top side of plunger 210 is provided with simultaneously is engaged with gear 211, gear 211 be rotatably installed in integrated package 2 and with prolong
Extend the reinforcing rocking handle 3 outside integrated package 2 to connect, the lower end of oil suction plunger 210 is provided with twice O connected in star and in two grooves difference
It is arranged with a sealing ring 212.The bottom inlet of oil sucting cavity 205 is connected with the first duct 206, and the first duct 206 is provided with oil suction list
To valve 213 and upwardly extend and connected with shoe cream room 203.Oil sucting cavity 205 is located at the outlet of bottom left and connects with the second duct 207
Logical, as shown in FIG. 7 and 8, the second duct 207 is provided with oil outlet one-way valve 214 and complications are upwardly extended and connected with pressurizing chamber 204.
As shown in figure 8, the 3rd duct 208 is provided with quick fuel outlet valve 215, and the upstream end of the 3rd duct 208 (lower end) and the second duct
Connect at 207 downstream of oil outlet one-way valve 214, downstream (upper end) connects with shoe cream room 203；As shown in fig. 7, the 4th duct
209 are provided with relief valve 216, and the downstream of quick fuel outlet valve 215 in the upstream end of the 4th duct 209 (lower end) and the 3rd duct 208
Place's connection, downstream (upper end) connects with shoe cream room 203.
Wherein, oil sucting one-way valve 213, oil outlet one-way valve 214 and relief valve 216 are ball sealing valve.Quick fuel outlet valve
215 is the manual ball valve sealed using ball.
Load display table 4 is arranged on integrated package 1 to be used to determine the pressure in pressurizing chamber 204 above.
The bottom of portable shelf 5 is fixed on the rear side of integrated package 1.
Operation principle
The operation principle of the hydraulic system of the Brinell hardness tester of the present embodiment is as shown in figure 9, pressure head 1 is placed below waits to measure and monitor the growth of standing timber
Material, manually operated reinforcing rocking bar 3 oscillates, and orders about oil suction plunger 210 by gear 211 and moves up and down in oil sucting cavity, inhales
When moving on oil piston 210, oil sucting one-way valve 213 is opened, and oil outlet one-way valve 214 is closed, now can only Jing the first ducts 206 from storage
Draw oil in oil pocket 23；When oil suction plunger 210 is moved down, oil sucting one-way valve 213 is closed, and oil outlet one-way valve 214 is opened, now
Oil in oil sucting cavity can only the second ducts of Jing 207 press-in pressurizing chamber 204 in, pressure head 1 is ejected, the steel ball 101 that hardens of bottom exists
Metal surface forms impression.Pressurizeed three times with this, allow 4 pointer of load display table to reach 3000kg numerical value three times, come equivalent with this
In Brinell hardness.
Relief valve 216 is used for Control experiment load, and when pressure is more than 3000kg, relief valve 216 is opened, press-in pressurization
The section hydraulic oil in chamber 204 can the ducts 209 of Jing the 4th be back to shoe cream room 203, the pressure in pressurizing chamber 204 will fall after rise, make
Test force ensures in 3000 ± 0.5% kilograms.
After the completion of pressurization, the quick fuel outlet valve 215 of manual unlocking, the ducts 208 of hydraulic oil Jing the 3rd in pressurizing chamber 204 are fast
Speed is back to shoe cream room 203, and at this moment the internal pressure of pressurizing chamber 204 is gradually decrease to zero, metal is finally taken out, according to impression diameter
Relation between load can draw metal hardness.
Claims (9)
1. a kind of hydraulic system of Brinell hardness tester, it is characterised in that it includes a pressure head and an integrated package；The pressure head bottom
The steel ball that hardens is connected with, the pressure head top is slidably arranged in the integrated package and leaves and the integrated package between pressurization
Chamber；An oil sucting cavity, a shoe cream room, one first duct, one second duct and one the 3rd duct are provided with the integrated package；The suction
Oil suction plunger is equipped in oil pocket, it is described by first hole link between the oil sucting cavity entrance and the pressurizing chamber
Oil sucting cavity is exported by second hole link and the shoe cream room between, and it is unidirectional that first duct is provided with an oil suction
Valve, second duct is provided with an oil outlet one-way valve；3rd duct is provided with a quick fuel outlet valve, and the 3rd hole
Road one end connects with the shoe cream room, and the other end is connected with the oil outlet one-way valve downstream in second duct.
2. the hydraulic system of Brinell hardness tester as claimed in claim 1 a, it is characterised in that tubbiness is provided with the integrated package
Separation layer, be covered with the capping of tubbiness above the separation layer, the pressure head is in tubbiness and gap is set in the separation layer
Below, the shoe cream room is the cavity that the separation layer and the lidstock are formed, and the pressurizing chamber is the pressure head inwall
The gap left and the separation layer outer wall between.
3. the hydraulic system of Brinell hardness tester as claimed in claim 1 or 2, it is characterised in that be additionally provided with the integrated package
One the 4th duct, the 4th duct is provided with a relief valve, and described 4th duct one end connects with the shoe cream room, another
End connects with the oil outlet one-way valve downstream in second duct.
4. the hydraulic system of Brinell hardness tester as claimed in claim 3, it is characterised in that the oil sucting one-way valve, it is described go out
Oily check valve and the quick fuel outlet valve are ball sealing valve, and the quick fuel outlet valve is the manual ball sealed using ball
Valve.
5. the hydraulic system of Brinell hardness tester as claimed in claim 1 or 2, it is characterised in that the oil suction plunger top leads to
Cross reciprocating transmission mechanism and be connected with a reinforcing that extend to outside the integrated package, can order about the oil suction plunger upward and downward and shake
Handle, the reciprocating transmission mechanism is gear mechanism, cam mechanism or crank mechanism.
6. the hydraulic system of Brinell hardness tester as claimed in claim 5, it is characterised in that the gear mechanism includes the suction
Dentalation that oil piston top side is provided with and one with the dentalation meshed gears, the pinion rotation is arranged on institute
State in integrated package and be connected with the reinforcing rocking handle.
7. the hydraulic system of Brinell hardness tester as claimed in claim 6, it is characterised in that the oil sucting cavity is cylindrical cavity, institute
Oil suction plunger lower end is stated for corresponding cylinder and twice O connected in star is provided with, a sealing ring is arranged with groove described in two respectively.
8. the hydraulic system of Brinell hardness tester as claimed in claim 1 or 2, it is characterised in that it also includes that is arranged on institute
State the load display table for determining the pressurization cavity pressure above integrated package.
9. the hydraulic system of Brinell hardness tester as claimed in claim 1 or 2, it is characterised in that it is also fixed including a bottom
Portable shelf on rear side of the integrated package.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162049.8U CN206161456U (en) | 2016-10-25 | 2016-10-25 | Brinell hardness tester's hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621162049.8U CN206161456U (en) | 2016-10-25 | 2016-10-25 | Brinell hardness tester's hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161456U true CN206161456U (en) | 2017-05-10 |
Family
ID=58655055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621162049.8U Expired - Fee Related CN206161456U (en) | 2016-10-25 | 2016-10-25 | Brinell hardness tester's hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866036A (en) * | 2021-10-23 | 2021-12-31 | 沈阳天星试验仪器股份有限公司 | Electro-hydraulic Brinell hardness testing head and electro-hydraulic portable Brinell hardness tester |
-
2016
- 2016-10-25 CN CN201621162049.8U patent/CN206161456U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866036A (en) * | 2021-10-23 | 2021-12-31 | 沈阳天星试验仪器股份有限公司 | Electro-hydraulic Brinell hardness testing head and electro-hydraulic portable Brinell hardness tester |
| CN113866036B (en) * | 2021-10-23 | 2022-11-25 | 沈阳天星试验仪器股份有限公司 | Electro-hydraulic Brinell hardness testing head and electro-hydraulic portable Brinell hardness tester |
| WO2023065567A1 (en) * | 2021-10-23 | 2023-04-27 | 沈阳天星试验仪器股份有限公司 | Electro-hydraulic brinell hardness testing head and electro-hydraulic portable brinell hardness tester |
| GB2619843A (en) * | 2021-10-23 | 2023-12-20 | Shenyang Tianxing Testing Instr Co Ltd | Electro-hydraulic Brinell hardness testing head and electro-hydraulic portable Brinell hardness tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20201025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |