CN203502304U - Electric hydraulic type pressure testing machine - Google Patents

Electric hydraulic type pressure testing machine Download PDF

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Publication number
CN203502304U
CN203502304U CN201320602001.4U CN201320602001U CN203502304U CN 203502304 U CN203502304 U CN 203502304U CN 201320602001 U CN201320602001 U CN 201320602001U CN 203502304 U CN203502304 U CN 203502304U
Authority
CN
China
Prior art keywords
oil
return valve
piston
testing machine
pressure testing
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
Application number
CN201320602001.4U
Other languages
Chinese (zh)
Inventor
田新刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGXI GRESS TECHNOLOGY CORP Ltd
Original Assignee
JIANGXI GRESS TECHNOLOGY CORP Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JIANGXI GRESS TECHNOLOGY CORP Ltd filed Critical JIANGXI GRESS TECHNOLOGY CORP Ltd
Priority to CN201320602001.4U priority Critical patent/CN203502304U/en
Application granted granted Critical
Publication of CN203502304U publication Critical patent/CN203502304U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an electric hydraulic type pressure testing machine. The electric hydraulic type pressure testing machine comprises an upper beam, a lower beam, an operation box, an oil cylinder, a piston and a guide pillar, wherein the guide pillar is connected with the upper beam and the lower beam; the upper beam is provided with a hand wheel and a regulating lead screw, the lower end of the regulating lead screw is provided with a ball base, and the lower end of the ball base is provided with an upper pressing plate; the operation box is internally provided with an electromotor, an oil box, an oil filter, an oil pump, an oil supply valve, an oil return valve and a sensor, one way of the electromotor is connected with the oil box through the oil filter, the other way of the electromotor is connected with the oil supply valve and the oil return valve by utilizing oil outlet pipes through the oil pump, and the sensor is connected with the oil return valve; the oil supply valve and the oil return valve are both connected with the oil cylinder, the oil cylinder is arranged on the lower beam and is connected with the piston, the joint of the oil cylinder and the piston is provided with a sealing device, and the top end of the oil cylinder is provided with an annular oil groove; the piston is provided with a lower pressing plate, the lower pressing plate is provided with a positioning mark, and the bottom surface of the lower pressing plate is provided with a dust cover shell. The electric hydraulic type pressure testing machine provided by the utility model has the advantages that the sealing effect is good, the display accuracy is high, the test data can be conveniently read and the like.

Description

Electricity hydraulic pressure testing machine
Technical field
The compressive strength of the utility model for testing the building materialss such as concrete, brick, cement, refractory brick, belongs to metering outfit technical field, is specially electric hydraulic pressure testing machine.
Background technology
In the engineering construction processes such as existing bridge, need carry out a large amount of pressure tests to concrete test block, mortar or cement briquette etc.Its pressure test is undertaken by pressure testing machine conventionally.Existing pressure testing machine generally includes support, on described support, be fixed with four root posts, the top of described column is fixed with top board, in described support, be provided with propulsion system, described propulsion system are connected with lower platen, during test, test block is placed on lower platen, start propulsion system and drive top on lower platen until top board is arrived on top, test block by pressure holding upper, between lower platen, and read pressure test data by pressure transducer, and often because test block is put injustice and caused test figure inaccurate, and existing pressure testing machine, when work, when loading, also easily there is the phenomenons such as the unstable and leakage of oil of load in hydraulic mechanism.
Utility model content
The technical matters that the utility model solves is to provide a kind of electric hydraulic pressure testing machine, to solve the problem proposing in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
Electricity hydraulic pressure testing machine, comprises upper beam, underbeam, control box, oil cylinder, piston, guidepost; Described guidepost is connected with underbeam with upper beam, and handwheel and adjusting screw are housed on upper beam, and ball seat is equipped with in adjusting screw lower end, and top board is equipped with in ball seat lower end; In described control box, be provided with motor, fuel tank, oil filter, oil pump, send fuel tap, oil return valve, sensor, wherein motor one tunnel is connected with fuel tank through oil filter, another road utilizes flowline to be connected with oil return valve with sending fuel tap through oil pump, and sensor is connected with oil return valve; The described fuel tap that send is all connected with oil cylinder with oil return valve; Described oil cylinder is contained on underbeam and is connected with piston, and oil cylinder and piston junction are provided with packoff, and oil cylinder top is provided with annular oil groove; On described piston, load pressing plate, lower platen is provided with gauge mark, and the bottom surface of lower platen is provided with dustproof case.
Further, described control box ectosome is provided with oil return valve adjusting knob, send fuel tap adjusting knob and pressure display instrument, and pressure display instrument can directly read force value, and precision is high.
Further, described ball seat is connected with adjusting screw with lining ring by fixed head.
Further, on one side described upper beam is provided with suspension ring, seat leg is equipped with in underbeam bottom.
beneficial effect
The utility model regulates by adjusting button in loading and off-load process, makes load steady, and automatic adjustable balance is passed through in the design of ball seat, make to remain balance between test specimen and upper and lower pressing plate, have good sealing effect, display precision is high, and test data reads the advantages such as convenient.
accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is control box inner structure schematic diagram.
Embodiment
In order to make of the present utility modelly to realize technological means, creation characteristic, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1-2, electric hydraulic pressure testing machine, comprises upper beam 9, underbeam 10, control box 11, oil cylinder 6, piston 12, guidepost 13; Described guidepost 13 is connected with underbeam 10 with upper beam 9, handwheel 14 and adjusting screw 15 are housed on upper beam 9, ball seat 16 is equipped with in adjusting screw 15 lower ends, top board 17 is equipped with in ball seat lower end 16, when test specimen contacts with top board 17, ball seat 16 can automatic adjustable balance, makes test specimen and upper and lower pressing plate keep balance; In described control box 11, be provided with motor 3, fuel tank 1, oil filter 2, oil pump 4, send fuel tap 5, oil return valve 8, sensor 7, wherein motor 3 one tunnels are connected with fuel tank 1 through oil filter 2, another road utilizes flowline to be connected with oil return valve 8 with sending fuel tap 5 through oil pump 4, and sensor 7 is connected with oil return valve 8; The described fuel tap 5 that send is all connected with oil cylinder 6 with oil return valve 8; Described oil cylinder 6 is contained on underbeam 10 and is connected with piston 12, and oil cylinder 6 and piston 12 junctions are provided with packoff, prevent that the oil in oil cylinder 6 from leaking, and oil cylinder 6 tops are provided with annular oil groove, a small amount of outer draining causing while being used for being collected in piston 12 lifting; On described piston 11, lower platen 18 is housed, lower platen 18 is provided with gauge mark, can proofread and correct the position that test specimen is put, and the bottom surface of lower platen 18 is provided with dustproof case, and while preventing piston 12 lifting, dust enters oil cylinder.
Further, described control box 11 ectosomes are provided with oil return valve adjusting knob 19, send fuel tap adjusting knob 20 and pressure display instrument 21, testing machine is when loading, manually control and send fuel tap adjusting knob 20, time piston 12 ascending velocity obtain speed and control, during off-load, rotatable oil return valve adjusting knob 19, oil cylinder slowly declines.
Further, described ball seat is connected with adjusting screw 15 with lining ring 23 by fixed head 22.
Further, Yi Bian described upper beam 9 is provided with suspension ring 24, be used for lifting when mobile, seat leg 25 is equipped with in underbeam 10 bottoms.
Upper demonstration and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.Claimed scope of the present utility model is defined by appending claims and equivalent thereof.

Claims (4)

1. electric hydraulic pressure testing machine, comprises upper beam, underbeam, control box, oil cylinder, piston, guidepost; It is characterized in that, described guidepost is connected with underbeam with upper beam, and handwheel and adjusting screw are housed on upper beam, and ball seat is equipped with in adjusting screw lower end, and top board is equipped with in ball seat lower end; In described control box, be provided with motor, fuel tank, oil filter, oil pump, send fuel tap, oil return valve, sensor, wherein motor one tunnel is connected with fuel tank through oil filter, another road utilizes flowline to be connected with oil return valve with sending fuel tap through oil pump, and sensor is connected with oil return valve; The described fuel tap that send is all connected with oil cylinder with oil return valve; Described oil cylinder is contained on underbeam and is connected with piston, and oil cylinder and piston junction are provided with packoff, and oil cylinder top is provided with annular oil groove; On described piston, load pressing plate, lower platen is provided with gauge mark, and the bottom surface of lower platen is provided with dustproof case.
2. electric hydraulic pressure testing machine according to claim 1, is characterized in that, described control box ectosome is provided with oil return valve adjusting knob, send fuel tap adjusting knob and pressure display instrument.
3. electric hydraulic pressure testing machine according to claim 1, is characterized in that, described ball seat is connected with adjusting screw with lining ring by fixed head.
4. electric hydraulic pressure testing machine according to claim 1, is characterized in that, on one side described upper beam is provided with suspension ring, seat leg is equipped with in underbeam bottom.
CN201320602001.4U 2013-09-27 2013-09-27 Electric hydraulic type pressure testing machine Expired - Fee Related CN203502304U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320602001.4U CN203502304U (en) 2013-09-27 2013-09-27 Electric hydraulic type pressure testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320602001.4U CN203502304U (en) 2013-09-27 2013-09-27 Electric hydraulic type pressure testing machine

Publications (1)

Publication Number Publication Date
CN203502304U true CN203502304U (en) 2014-03-26

Family

ID=50333274

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320602001.4U Expired - Fee Related CN203502304U (en) 2013-09-27 2013-09-27 Electric hydraulic type pressure testing machine

Country Status (1)

Country Link
CN (1) CN203502304U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021464A (en) * 2015-06-26 2015-11-04 苏州洲盛非晶科技有限公司 Pressure testing machine used for ultracrystalline iron cores

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021464A (en) * 2015-06-26 2015-11-04 苏州洲盛非晶科技有限公司 Pressure testing machine used for ultracrystalline iron cores

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140326

Termination date: 20140927

EXPY Termination of patent right or utility model