CN201069423Y - Limiting mechanism of hydraulic material testing machine - Google Patents

Limiting mechanism of hydraulic material testing machine Download PDF

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Publication number
CN201069423Y
CN201069423Y CNU2007201440979U CN200720144097U CN201069423Y CN 201069423 Y CN201069423 Y CN 201069423Y CN U2007201440979 U CNU2007201440979 U CN U2007201440979U CN 200720144097 U CN200720144097 U CN 200720144097U CN 201069423 Y CN201069423 Y CN 201069423Y
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China
Prior art keywords
gag lever
lever post
oil cylinder
block
limit
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Expired - Lifetime
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CNU2007201440979U
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Chinese (zh)
Inventor
龚新平
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Shanghai Sans Measuring Instrument Manufacturing Co ltd
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Priority to CNU2007201440979U priority Critical patent/CN201069423Y/en
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Abstract

The utility model relates to a hydraulic material testing machine stop gear. Including testing machine bottom end rail, upper and lower spacing piece, upper and lower limit switch, hydro-cylinder spacing, its characterized in that: the upper limiting switch and the lower limiting switch are connected into a whole by a travel switch bracket, the lower end of the limiting rod is also connected with an oil cylinder limiting block, and an oil cylinder limiting pull rod coordinately works with the oil cylinder limiting block. The utility model discloses realize that the lift of testing machine bottom end rail is spacing and hydro-cylinder piston's rising is spacing, has safe and reliable, simple structure's characteristics.

Description

The hydraulic material testing machine position-limit mechanism
Technical field
The utility model relates to a kind of testing machine stop, particularly discloses a kind of hydraulic material testing machine position-limit mechanism.
Background technology
The extreme position that the crossbeam of hydraulic material testing machine position restrainer moves up and down needs spacing, and extreme position is wanted and can be adjusted as required.The plunger upward stroke of plunger cylinder also needs spacing.
When the plunger rising certain position in the oil cylinder, respective change is also wanted in the smallest limit position of sill, in order to avoid damage the part on the machine.The position of sill is during near the position of smallest limit, and the spacing position that the oil cylinder plunger rises also will change, in order to avoid break the part on the crossbeam.
The spacing of original testing machine is separate, and operation does not note or maloperation just can break travel switch, the part on the meeting destructive test machine.
Summary of the invention
The problem that will solve of the present utility model is to make the spacing mutual coordination back of the sill of testing machine and oil cylinder plunger chain, discloses a kind of hydraulic material testing machine position-limit mechanism.
The utility model is achieved in that a kind of hydraulic material testing machine position-limit mechanism, comprise the testing machine sill, on, lower position block, on, lower position switch, the oil cylinder limited block, also comprise gag lever post, guide plate, limit spring and spacing collision block, above-mentioned spacing device is distributed on the same gag lever post that is connected on the examination platform, play chain interlock effect, upper limit position block is in the gag lever post top, lower position block is in the gag lever post middle part, both are in the gag lever post position-adjustable, on, having between the lower position block can be along on the gag lever post on the sill of being connected, mobile down guide plate, with last, on the lower position block linkage work, lower position switch is distributed in the gag lever post lower lateral, on, the spacing collision block that fuses with gag lever post is arranged in the middle of the lower position switch, described on, lower position switch adopts the travel switch support with on them, under link into an integrated entity, described gag lever post lower end also is connected with the oil cylinder limited block, reaches the oil cylinder limit pull rod with the co-ordination of oil cylinder limited block.
The lower limit of described sill realizes that with lower position block, lower position switch the upper limit of sill realizes that with upper limit position block and upper limit position switch the upper limit of oil cylinder is realized with oil cylinder limited block and lower position switch.
Described sill upper and lower limit bit switch normally opened contact is in parallel with the crawl knob down of crossbeam lifting control circuit.
Described oil cylinder limit pull rod one end is fixed on the equipment base, the c-shaped crotch of the other end, and crotch is partly pressed close to gag lever post.
The beneficial effects of the utility model are: spacing and rising oil cylinder piston is spacing with the lifting of the sill of testing machine produces chainly by position-limit mechanism, make equipment operation safe and reliable, and characteristics easy to adjust, simple and practical are installed by mechanism.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is an electrical schematic diagram.
Among Fig. 1: 1. upper limit position block; 3. crossbeam; 4. guide plate; 5. gag lever post; 6. lower position block; 7. examination platform; 8. upper limit position switch; 9. spacing collision block; 10. lower position switch; 12. spring; 13. oil cylinder limit pull rod; 14. oil cylinder limited block.
Embodiment
According to Fig. 1, each part is contained on the testing machine, principle of work is as follows:
1. when sill 3 rose to upper limit requirement point, guide plate 4 was run into upper limit position block 1, and the spacing collision block 9 of gag lever post 5 pullings simultaneously makes upper limit position switch 8 actions, and rising stops.Can only descend by the crawl crossbeam this moment.
2. when sill 3 dropped to lower limit requirement point, guide plate 4 was run into lower position block 6, and the spacing collision block 9 of gag lever post 5 pullings simultaneously makes lower position switch 10 actions, and decline stops to cut off simultaneously the oil pump power supply, and oil cylinder piston and examination platform can not rise.Can only rise by the crawl crossbeam this moment.
3. when oil cylinder piston rises, make examination platform 7 drive gag lever post 5 and rise, during to extreme position, oil cylinder limited block 14 is subjected to the pulling force of oil cylinder limit pull rod 13, makes spacing collision block 9 knock lower position switch 10, cuts off the oil pump power supply, the protection of oil cylinder piston upper limit.
4. when oil cylinder piston during not at initial position, crossbeam descends also can be spacing, and principle is with above-mentioned the 1st.
When oil cylinder piston not at initial position, and crossbeam if oil cylinder piston descends, tries platform 7 simultaneously and descends when being raised to the higher position.Upper limit position block 1 is run into guide plate 4, and the spacing collision block 9 of gag lever post 5 pullings makes upper limit position switch 8 actions, and crossbeam descends automatically.
6. the decrement of regulating spring 12 makes gag lever post 5 when the spacing collision block 9 of pulling certain buffering be arranged, and upper limit position switch 8 and lower position switch 10 not misoperations when testing machine has vibration.
According to Fig. 2, electrical equipment operating principle of the present utility model:
1, when crossbeam motor counter-rotating drive gag lever post moves down, after bumping against limit switch SL1, limit switch contact SL1.1 disconnects, A.C. contactor KM1, KM2 coil losing electricity, KM1, KM2 contact disconnect, the crossbeam motor can't reverse, and Oil pump electrical machinery also stops, and prevents that plunger cylinder from driving the examination platform and pressing to crossbeam.Play normal protective effect.
2, just changeing when driving gag lever post and moving up when the crossbeam motor, bump against limit switch SL2 after, limit switch contact SL2.1 disconnects.A.C. contactor KM3 coil losing electricity, the KM3 contact disconnects, and motor can't just change.While limit switch contact SL2.2 closure, A.C. contactor KM2 coil gets electric, the KM2 closing of contact, the crossbeam motor is just changeing the drive crossbeam and is moving downward, until breaking away from spacing state.
Among Fig. 2:
1.U, V.W.N., PE is the three-phase five-wire mode power interface, is used to introduce the power supply of electrical network, and the N interface is the neutral line, and PE is a ground wire.QF1, QF2 are respectively the air switches that is used for main circuit and control circuit, prevent that main circuit or control circuit from damaging electrical equipment when short circuit, overload occurring.
2.S1 be the total power switch button, the closed type button, the urgency when being mainly used in machine appearance accident is stopped; The H2 total power light.When pressing the S1 button, the entire circuit outage, any components and parts can not be worked, and pilot lamp H2 goes out.S2 is the pump start button, and H1 is the oil pump relay indicating light.The S3 button is the oil pump stop button.FR1 is the Oil pump electrical machinery thermal overload relay, prevents that motor from damaging because of short circuit, overload or phase shortage.
3.SL1 SL2 is the limit switch of crossbeam lifting, respectively has a pair often to open and normally closed contact.FR2 is the thermal overload relay of crossbeam lifting motor, with preventing that the crossbeam lifting motor from damaging because of short circuit, overload or phase shortage.
4.S4, the S5 button can make the hand-held type miniature operating case, hand-held that can be flexible.Adopt direct current 24V power supply, with KM4, AC relay KM2, the KM3 of KM5 auxiliary reclay control alternating current 220V work of direct current 24V work, light current control forceful electric power reduces hazard to person.S4, S5 adopt inching button, press S4, and the crossbeam motor just changes, and crossbeam rises.Press S5, the counter-rotating of crossbeam motor, crossbeam descends.
5.KM1.1, KM1.2, KM1.3, KM1.4 are the contact of A.C. contactor KM1, and when pressing the button S2, the KM1 coil gets electric, 4 contact adhesives simultaneously, Oil pump electrical machinery work.
6.KM2.1, KM2.2, KM2.3, KM2.4 are the contact of A.C. contactor KM2, when pressing the button S4, the contact KM4.1 adhesive of auxiliary reclay KM4, thus it is electric that the KM2 coil is got, KM2.1, and KM2.2, the adhesive of KM2.3 contact, the crossbeam motor just changes, and crossbeam rises.Contact KM2.4 is short to be opened, and realizes the interlocking with the counter-rotating of crossbeam motor.
1.KM3.1, KM3.2, KM3.3, KM3.4 are the contact of A.C. contactor KM3, when pressing the button S5, the contact KM5.1 adhesive of auxiliary reclay KM5, thus it is electric that the KM3 coil is got, KM3.1, and KM3.2, the adhesive of KM3.3 contact, the counter-rotating of crossbeam motor, crossbeam descends.Contact KM3.4 is short to be opened, and realizes the interlocking with the counter-rotating of crossbeam motor.

Claims (4)

1. hydraulic material testing machine position-limit mechanism, comprise the testing machine sill, on, lower position block, on, lower position switch, the oil cylinder limited block, it is characterized in that: also comprise gag lever post, guide plate, limit spring and spacing collision block, above-mentioned spacing device is distributed on the same gag lever post that is connected on the examination platform, play chain interlock effect, upper limit position block is in the gag lever post top, lower position block is in the gag lever post middle part, both are in the gag lever post position-adjustable, on, having between the lower position block can be along on the gag lever post on the sill of being connected, mobile down guide plate, with last, on the lower position block linkage work, lower position switch is distributed in the gag lever post lower lateral, on, the spacing collision block that fuses with gag lever post is arranged in the middle of the lower position switch, described on, lower position switch adopts the travel switch support with on them, under link into an integrated entity, described gag lever post lower end also is connected with the oil cylinder limited block, reaches the oil cylinder limit pull rod with the co-ordination of oil cylinder limited block.
2. hydraulic material testing machine position-limit mechanism according to claim 1, it is characterized in that: the lower limit of described sill realizes with lower position block, lower position switch, the upper limit of sill realizes that with upper limit position block and upper limit position switch the upper limit of oil cylinder is realized with oil cylinder limited block and lower position switch.
3. hydraulic material testing machine position-limit mechanism according to claim 2 is characterized in that: described sill upper and lower limit bit switch normally opened contact is in parallel with the crawl knob down of crossbeam lifting control circuit.
4. hydraulic material testing machine position-limit mechanism according to claim 1 is characterized in that: described oil cylinder limit pull rod one end is fixed on the equipment base, the c-shaped crotch of the other end, and crotch is partly pressed close to gag lever post.
CNU2007201440979U 2007-07-10 2007-07-10 Limiting mechanism of hydraulic material testing machine Expired - Lifetime CN201069423Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007201440979U CN201069423Y (en) 2007-07-10 2007-07-10 Limiting mechanism of hydraulic material testing machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007201440979U CN201069423Y (en) 2007-07-10 2007-07-10 Limiting mechanism of hydraulic material testing machine

Publications (1)

Publication Number Publication Date
CN201069423Y true CN201069423Y (en) 2008-06-04

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101907542A (en) * 2010-06-24 2010-12-08 济南试金集团有限公司 Electronic-hydraulic type cement pressure tester
CN102095653A (en) * 2011-01-28 2011-06-15 华东理工大学 High-precision electronic insertion-withdrawal force testing system
CN104460495A (en) * 2014-12-05 2015-03-25 广东韶钢松山股份有限公司 Touch switch equivalently applied as stroke switch and application thereof
CN105784492A (en) * 2016-04-06 2016-07-20 王星竹 Physical pressure-resisting testing device capable of automatically adjusting pressure
CN106568593A (en) * 2014-03-14 2017-04-19 杨卫中 Valve electric device service life test system with loading and overrun protection
CN106739110A (en) * 2016-12-28 2017-05-31 佛山市铠斯钛科技有限公司 A kind of hydraulic control device for titanium products processing
CN110239109A (en) * 2018-03-07 2019-09-17 浙江伟星新型建材股份有限公司 The inspection equipment and the method for inspection of polyethylene tube welding line mass

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101907542A (en) * 2010-06-24 2010-12-08 济南试金集团有限公司 Electronic-hydraulic type cement pressure tester
CN102095653A (en) * 2011-01-28 2011-06-15 华东理工大学 High-precision electronic insertion-withdrawal force testing system
CN106568593A (en) * 2014-03-14 2017-04-19 杨卫中 Valve electric device service life test system with loading and overrun protection
CN106568593B (en) * 2014-03-14 2019-03-01 杨卫中 With loading and the electric device for valve service life experiment system for protection of transfiniting
CN104460495A (en) * 2014-12-05 2015-03-25 广东韶钢松山股份有限公司 Touch switch equivalently applied as stroke switch and application thereof
CN104460495B (en) * 2014-12-05 2017-05-17 广东韶钢松山股份有限公司 Touch switch equivalently applied as stroke switch and application thereof
CN105784492A (en) * 2016-04-06 2016-07-20 王星竹 Physical pressure-resisting testing device capable of automatically adjusting pressure
CN106739110A (en) * 2016-12-28 2017-05-31 佛山市铠斯钛科技有限公司 A kind of hydraulic control device for titanium products processing
CN110239109A (en) * 2018-03-07 2019-09-17 浙江伟星新型建材股份有限公司 The inspection equipment and the method for inspection of polyethylene tube welding line mass
CN110239109B (en) * 2018-03-07 2024-03-22 临海伟星新型建材有限公司 Equipment and method for inspecting welding line quality of polyethylene pipe fitting

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20081205

Address after: Shanghai City, Songjiang District Spring Road No. 18, zip code: 201612

Patentee after: MTS Systems (China) Corporation

Address before: No. 2300, Lane 31, Shanghai South Road, Shanghai, 201204

Patentee before: Shanghai Sans Measuring Instrument Manufacturing Co., Ltd.

ASS Succession or assignment of patent right

Owner name: METERS INDUSTRY SYSTEMS ( CHINA) CO., LTD.

Free format text: FORMER OWNER: SHANGHAI SANS MEASURING INSTRUMENT MANUFACTURING CO., LTD.

Effective date: 20081205

CX01 Expiry of patent term

Granted publication date: 20080604

CX01 Expiry of patent term