CN208795292U - Electric pushrod test device - Google Patents

Electric pushrod test device Download PDF

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Publication number
CN208795292U
CN208795292U CN201821831515.6U CN201821831515U CN208795292U CN 208795292 U CN208795292 U CN 208795292U CN 201821831515 U CN201821831515 U CN 201821831515U CN 208795292 U CN208795292 U CN 208795292U
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China
Prior art keywords
electric pushrod
plate
adapter frame
hydraulic cylinder
test device
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CN201821831515.6U
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Chinese (zh)
Inventor
郭庆
马振兴
汤占峰
陈曦
王金伟
唐涛
朱政
李鸣
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Co Ltd Of Yangzhou Electric Power Equipment Repair & Manufacture Factory
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Co Ltd Of Yangzhou Electric Power Equipment Repair & Manufacture Factory
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Abstract

Electric pushrod test device is related to the test device of electric pushrod more particularly to electric pushrod.It is reliable to provide a kind of operation, is convenient for type approval test, the electric pushrod test device that factory is tested and performance is stable.Including rack, electric pushrod, hydraulic cylinder, sliding rail, adapter frame and grating scale, the top of the rack is equipped with plate, rectangular through-hole and electric pushrod are successively arranged on the plate, horizontally disposed plate is equipped in the through-hole, the sliding rail is connected on plate, the electric pushrod is connected to the top of plate by push rod mounting base, and the hydraulic cylinder is connected to the lower section of plate, and the hydraulic cylinder is located at the underface of electric pushrod;The adapter frame is in n shape, and the sliding rail is located in adapter frame, and the adapter frame is slidably connected on the slide rail, and the two sides of the adapter frame are located in through-hole;The displacement of the utility model output shaft of electric pushrod at work directly feeds back to grating scale, to export the output displacement of electric pushrod.

Description

Electric pushrod test device
Technical field
The utility model relates to the test devices of electric pushrod more particularly to electric pushrod.
Background technique
Tower type solar energy thermal power generation technology is one of current most important Salar light-gathering hot generation technology, wherein heliostat Technology is to restrict an important factor for improving optically focused temperature, efficiency and scale, and electric pushrod is the important composition portion of heliostat again / mono-.Electric pushrod is a kind of power-driven gear of straight reciprocating motion for the rotary motion of motor being converted into push rod. However, needing to test electric pushrod due to different duty requirements and (testing its push/pull power and rectilinear path), select Corresponding electric pushrod, to meet performance requirement;However, in the prior art, without special test device, reducing work Reliability.
Utility model content
The utility model is convenient for type approval test, factory test and property in view of the above problems, to provide a kind of operation reliable The stable electric pushrod test device of energy.
The technical solution of the utility model is: including rack, electric pushrod, hydraulic cylinder, sliding rail, adapter frame and grating Ruler, the top of the rack are equipped with plate, are successively arranged rectangular through-hole and electric pushrod on the plate, are equipped in the through-hole Horizontally disposed plate, the sliding rail are connected on plate, and the electric pushrod is connected to the upper of plate by push rod mounting base Side, the hydraulic cylinder are connected to the lower section of plate, and the hydraulic cylinder is located at the underface of electric pushrod;
The adapter frame is in n shape, and the sliding rail is located in adapter frame, and the adapter frame is slidably connected on the slide rail, described The two sides of adapter frame are located in through-hole;
The electric pushrod connects pull pressure sensor, and the pull pressure sensor is connected by pull pressure sensor pedestal Adapter frame,
The piston rod of the hydraulic cylinder connects adapter frame;
The grating scale includes scale grating and grating reading head, and the scale grating fixation is located on plate, the mark Ruler parallel gratings connect adapter frame by connecting plate in sliding rail, the grating reading head.
The connector includes U-shaped body and the plate for being located at U-shaped body bottom, and the output shaft of the electric pushrod is connected to U In the U-shaped mouth of body, the two is connected by positioning pin one;
The connecting shaft includes connecting shaft body and the threaded rod for being located at connection shaft body side, in the connection shaft body Equipped with slot, the plate is located in slot, and the two is connected by positioning pin two, and the threaded rod passes through with pull pressure sensor It is threadedly coupled.
The two sides of the adapter frame are respectively equipped with perforation, are equipped with connecting rod, the piston of the hydraulic cylinder in the perforation Bar connects the connecting rod.
The bottom of the adapter frame is equipped with u shape support rod, is detachably equipped with clump weight on the support rod.
The support rod is equipped with several positioning columns being uniformly arranged, and the clump weight is equipped with locating slot, the positioning Column is adaptedly located in locating slot.
The adapter frame is equipped with L shape support frame far from one end of hydraulic cylinder,
The bottom surface of the plate is equipped at least two slide bars, and the two sides of the slide bar are respectively equipped with guide groove, wherein is located at most The slide bar in outside is equipped with several counterweight guide blocks, and the counterweight guide block includes block, is provided symmetrically at the top of the block Conductor, conductor one-to-one correspondence is located in guide groove;
Equal spacing is equipped between slide bar two-by-two, is fallen for counterweight guide block.
The bottom surface of the plate is equipped with a horizontal hydraulic cylinder, and the horizontal hydraulic cylinder is located at the side of through-hole and for pushing away Dynamic counterweight guide block.
At work, when pressure is shown, electric pushrod is fixed on plate by push rod mounting base for the utility model, The output shaft of electric pushrod is connected with pull pressure sensor, in this way, pull pressure sensor export in real time electric pushrod pulling force or Pressure;
When displacement display, the output shaft of electric pushrod passes through connector, connecting shaft, pull pressure sensor, pressure sensing Device pedestal is connected in adapter frame, and switching is erected on sliding rail;Since grating scale is arranged, scale grating fixation is located on plate, Grating reading head connects adapter frame by connecting plate, in this way, the displacement of the output shaft of electric pushrod directly feeds back to grating scale, from And export the output displacement of electric pushrod.
The utility model facilitates test, and operation is reliable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model,
Fig. 2 is the top view of Fig. 1,
Fig. 3 is the attachment structure schematic diagram of connector and connecting shaft,
Fig. 4 is the attachment structure schematic diagram of framework and support rod,
Fig. 5 is the structural schematic diagram of the utility model optimal enforcement mode,
Fig. 6 is the structural schematic diagram of slide bar,
Fig. 7 is the structural schematic diagram of counterweight guide block;
Fig. 8 is hydraulic system principle figure in the utility model,
Fig. 9 is the structural schematic diagram for pushing and pulling tension detection mechanism;
1 is rack in figure, and 11 be bracket, and 12 be plate, and 121 be through-hole, and 122 be intermediate support plate, and 13 be push rod installation Seat,
2 be hydraulic loading system, and 21 be hydraulic cylinder, and 22 be high-pressure oil pipe, and 23 be hydraulic system, and 231 be fuel tank, 232 It is motor, 233 be gear pump, and 234 be solenoid directional control valve, and 235 be check valve, and 236 be pressure sensor, and 237 be overflow valve, 238 be speed governing valve, and 239 be proportional pressure-reducing valve, and 240 be return filter, and 241 be air cleaner,
3 be sliding rail,
4 be adapter frame, and 41 be perforation, and 42 be connecting rod, and 43 be support rod, and 44 be positioning column, and 45 be clump weight, and 46 be fixed Position slot, 47 be support frame, and 48 be slide bar, and 481 be guide groove, and 49 be spacing,
5 be push-and-pull tension detection mechanism, and 50 be counterweight guide block, and 501 be block, and 502 be conductor, and 503 be horizontal hydraulic cylinder, 51 It is pull pressure sensor pedestal, 52 be pull pressure sensor, and 53 be disc spring, and 54 be connecting shaft, and 541 be connection shaft body, and 542 are Threaded rod, 55 be positioning pin two, and 56 be connector, and 561 be U-shaped body, and 562 be plate, and 57 be positioning pin one,
6 be displacement detector, and 61 be grating scale, and 611 be scale grating, and 612 be grating reading head, and 62 be connecting plate;
7 be controller, and 8 be electric pushrod.
Specific embodiment
The utility model as shown in figs 1-9, including rack 1, hydraulic loading system 2, sliding rail 3, adapter frame 4, push-pull effort inspection Mechanism 5, displacement detector 6 and controller 7 are surveyed,
The rack 1 includes bracket 11, plate 12 and push rod mounting base 13, and the bracket 11 is increased using the support of " people " word Frame strength.The top of the bracket 11 is equipped with plate 12, is successively arranged rectangular through-hole 121 and intermediate supports on the plate 12 Plate 122, two rectangular through-holes pass through plate convenient for the side plate of adapter frame 4, and intermediate support plate is used for the installation of sliding rail 3;It is described to push away Bar mounting base 13 is fixed on plate 12;The i.e. tested electric pushrod of electric pushrod 8() it is fixed in push rod mounting base 13, structure is tight It gathers, reduces occupied area, ease of assembly.
Hydraulic cylinder 21 connects hydraulic system 23, the hydraulic cylinder 21, high-pressure oil pipe 22 and liquid by high-pressure oil pipe 22 Pressure system 23 forms hydraulic loading system 2.Hydraulic cylinder 21 is double-act-ing hydraulic J-Horner, can provide thrust for electric pushrod 8 With the load of pulling force.The hydraulic cylinder 21 is arranged below plate 12, and space can be saved by being arranged so, and be able to maintain simultaneously 12 upper surface of plate is clean and tidy.
Described 22 one end of high-pressure oil pipe is connected with hydraulic cylinder 21, and one end is connected with hydraulic system 23.The hydraulic system 23 include fuel tank 231, motor 232, gear pump 233, solenoid directional control valve 234, check valve 235, pressure sensor 236, overflow valve 237, speed governing valve 238, proportional pressure-reducing valve 239, return filter 240 and air cleaner 241,
When work, motor 232 drives gear pump 233 from 231 oil suction of fuel tank, and oil circuit enters overflow valve by check valve 235 237, overflow valve 237 guarantees that 233 outlet pressure of gear pump is constant, and piping flow is adjusted in speed governing valve 238, and hydraulic oil passes through Proportional pressure-reducing valve 239 and pressure sensor 236 enter solenoid directional control valve 234 after loine pressure is down to target value, pass through electromagnetism Reversal valve 234 realizes that oil circuit enters the switching in 21 direction of hydraulic cylinder, and hydraulic cylinder 21 realizes thrust under oil circuit pressure effect Or pulling force, finally fuel tank 231 is returned to from 21 side of hydraulic cylinder by return filter 240.
The sliding rail 3 includes slide assemblies and fixation member, and the fixation member (such as fixed plate) of the sliding rail 3 passes through bolt It is connected between in support plate 122, the slide assemblies (such as slide plate) of the sliding rail 3 are connect by bolt with adapter frame 4, the cunning More steel balls built in the slide assemblies of rail 3, slide assemblies and fixation member reduce the Slide Group of sliding rail 3 by steel ball point contact Friction of the part when being slided in fixation member.
The adapter frame 4 is designed to n shape, and the two sides of the adapter frame 4 are respectively equipped with perforation 41, the company of being equipped in the perforation The piston rod of extension bar 42, the hydraulic cylinder 21 connects the connecting rod 42.The piston rod of hydraulic cylinder 21 is connected to adapter frame 4 On, it is convenient to operate.
The push-and-pull tension detection mechanism 5 includes pull pressure sensor pedestal 51, pull pressure sensor 52, disc spring 53, connection Axis 54, positioning pin 2 55, connector 56 and push-pull effort display instrument are supported on push-pull effort detection machine by what hydraulic loading system provided Real-time display in structure.
The connector 56 includes U-shaped body 561 and the plate 562 for being located at U-shaped body bottom, the output of the electric pushrod 8 In the U-shaped mouth of U-shaped body 561, the two is connected axis connection by positioning pin 1;Positioning is respectively set in U-shaped body 561 and push rod Hole, then connected by positioning pin 1, it is convenient for disassembly and assembly.
The connecting shaft 54 includes connection shaft body 541 and the threaded rod 542 for being located at connection shaft body side, the connection Shaft body 541 is equipped with slot, and the plate 562 is located in slot, and the two is connected by positioning pin 2 55, connects shaft body 54 Be respectively equipped with location hole on plate 562, then connected by positioning pin 2 55, it is convenient for disassembly and assembly.The threaded rod 542 and pressure Sensor 52 is connected through a screw thread, and facilitates the two to dismount, reliable in action.By setting connector 56 and connecting shaft 54, play Between transitional function simultaneously because being provided with oscillating bearing between plate 562 and connection shaft body 541 allow axial micro angle Degree changes, and avoids the Hard link between electric pushrod 8 and pressure sensor 15, improves connective stability and reliability.
It further include disc spring, the disc spring is set on threaded rod, is located between pull pressure sensor and connection shaft body.Institute Threaded connection gap between the offer pretightning force elimination pull pressure sensor 52 of disc spring 53 and connecting shaft 54 is provided.The pressure passes Sensor 52 is connect with pull pressure sensor pedestal 51.At work, when pressure is shown, electric pushrod 8 is installed by push rod Seat 13 is fixed on plate 12, and output shaft and the pull pressure sensor 52 of electric pushrod 8 are indirectly connected, in this way, pressure senses Device 52 exports the pulling force or pressure of electric pushrod 8 in real time.In test process, due to the output axis connection adapter frame of electric pushrod 8 4, the piston rod of hydraulic cylinder 21 connects adapter frame 4, provides load by hydraulic cylinder 21, provides the accuracy of test and reliable Property.
Institute's displacement sensing device 6 includes grating scale 61 and connecting plate 62, and the grating scale 61 includes 611 He of scale grating Grating reading head 612, the sliding of grating reading head 612 are located in scale grating 611, and the fixation of scale grating 611 is located at plate On 12, the scale grating 611 is parallel to sliding rail 3, and the grating reading head 612 connects adapter frame 4, grating by connecting plate 62 Reading head 612 is mobile with adapter frame 4, is tested.Since adapter frame 4 is connected by connector with electric pushrod 8, grating scale 61 It is connected with adapter frame 4, displacement detector 6 feeds back by being displaced display instrument and shows the displacement of electric pushrod 8.
The controller 7 uses labview test macro, be integrated with the push-and-pull tension detection mechanism of electric pushrod 8 signal, The signal of displacement detector can provide signal to hydraulic system in real time and hydraulic cylinder is made to generate respective loads;Finally, real When show push/pull power numerical value, shift value etc..
The test method of the utility model is as follows: electric pushrod 8 being fixed on plate 12 by push rod mounting base 13, electricity The output shaft of dynamic push rod is connected with pull pressure sensor 52, and hydraulic loading system 2 starts, and hydraulic cylinder 21 passes through hydraulic loaded system System 2 generates load, and push/pull power and hydraulic cylinder 21 load of electric pushrod 8 form counterweight balance, and pull pressure sensor 52 will adopt The 0-10V voltage signal feedback collected passes through display screen real-time display push/pull power numerical value to controller.Electric pushrod it is defeated Shaft is connected in adapter frame 4 by connector 56, connecting shaft 54, pull pressure sensor 52, pull pressure sensor pedestal 51, is turned Frame 4 is connect to be located on sliding rail 3.Since grating scale 61 is arranged, the fixation of scale grating 611 is located on plate 12, and grating reading head 612 is logical It crosses connecting plate 62 and connects adapter frame 4, collected signal is conveyed to controller by grating reading head 612, to pass through display screen Real-time display shift value.
As shown in figure 4, the bottom of the adapter frame 4 is equipped with u shape support rod 43, detachably it is equipped with and matches on the support rod 43 Pouring weight 45.
Clump weight 45 is set, convenient for providing additional load, for testing the thrust rating and displacement of electric pushrod.
The support rod 43 is equipped with several positioning columns 44 being uniformly arranged, and the clump weight 45 is equipped with locating slot 46, The positioning column 44 is adaptedly located in locating slot 46.
By the way that the type of attachment of positioning column 44 and locating slot 46 is arranged, so that clump weight 45 positions reliably;Meanwhile convenient for putting Set the clump weight 45 of different number, the different thrust rating of test electric pushrod.
As illustrated in figs. 5-7, the adapter frame 4 is equipped with L shape support frame 47 far from one end of hydraulic cylinder 21,
The bottom surface of the plate is equipped at least two slide bars 48, and the two sides of the slide bar 48 are respectively equipped with guide groove 481, In, slide bar 48 on the outermost side is equipped with several counterweight guide blocks 50, and the counterweight guide block 50 includes block 501, the block The conductor 502 that 501 top is provided symmetrically, the conductor one-to-one correspondence are located in guide groove 481;
Equal spacing 49 is equipped between slide bar two-by-two, is fallen for counterweight guide block.
In work, counterweight guide block is slidably connected on slide bar 48, and different positions is moved to by adapter frame 4, and counterweight is led Block is moved in the spacing of corresponding adjacent slide bar, to fall in L shape support frame, plays the role of increasing weight to adapter frame 4, Convenient for placing the counterweight guide block of different number, test electric pushrod different thrust rating and displacement.
The bottom surface of the plate 12 be equipped with a horizontal hydraulic cylinder 503, the horizontal hydraulic cylinder 503 be located at through-hole side, And for pushing counterweight guide block.
By the way that horizontal hydraulic cylinder 503 is arranged, play the role of pushing counterweight guide block, convenient for 4 counterweight of adapter frame, raising pair The efficiency of electric pushrod test.

Claims (8)

1. electric pushrod test device, which is characterized in that including rack, electric pushrod, hydraulic cylinder, sliding rail, adapter frame and light Grid ruler, the top of the rack are equipped with plate, are successively arranged rectangular through-hole and electric pushrod on the plate, set in the through-hole There is horizontally disposed plate, the sliding rail is connected on plate, and the electric pushrod is connected to plate by push rod mounting base Top, the hydraulic cylinder are connected to the lower section of plate, and the hydraulic cylinder is located at the underface of electric pushrod;
The adapter frame is in n shape, and the sliding rail is located in adapter frame, and the adapter frame is slidably connected on the slide rail, the switching The two sides of frame are located in through-hole;The electric pushrod connects pull pressure sensor, and the pull pressure sensor is passed by pressure Sensor pedestal connects adapter frame, and the piston rod of the hydraulic cylinder connects adapter frame;The grating scale includes scale grating and light Grid reading head, the scale grating fixation are located on plate, and the scale grating is parallel to sliding rail, and the grating reading head passes through Connecting plate connects adapter frame.
2. electric pushrod test device according to claim 1, which is characterized in that further include connector and connecting shaft, institute Stating connector includes U-shaped body and the plate for being located at U-shaped body bottom, and the output shaft of the electric pushrod is connected to the U-shaped mouth of U-shaped body Interior, the two is connected by positioning pin one;
The connecting shaft includes the threaded rod for connecting shaft body and being located at connection shaft body side, and the connection shaft body is equipped with Slot, the plate are located in slot, and the two is connected by positioning pin two, and the threaded rod and pull pressure sensor pass through screw thread Connection.
3. electric pushrod test device according to claim 1 or 2, which is characterized in that distinguish the two sides of the adapter frame Equipped with perforation, connecting rod is equipped in the perforation, the piston rod of the hydraulic cylinder connects the connecting rod.
4. electric pushrod test device according to claim 1, which is characterized in that the bottom of the adapter frame is equipped with u shape Support rod is detachably equipped with clump weight on the support rod.
5. electric pushrod test device according to claim 4, which is characterized in that the support rod is equipped with several uniformly distributed The positioning column of setting, the clump weight are equipped with locating slot, and the positioning column is adaptedly located in locating slot.
6. electric pushrod test device according to claim 1, which is characterized in that the adapter frame is far from hydraulic cylinder One end is equipped with L shape support frame,
The bottom surface of the plate is equipped at least two slide bars, and the two sides of the slide bar are respectively equipped with guide groove, wherein is located at outermost Slide bar be equipped with several counterweight guide blocks, the counterweight guide block includes block, and what is be provided symmetrically at the top of the block leads Body, the conductor one-to-one correspondence are located in guide groove;
Equal spacing is equipped between slide bar two-by-two, is fallen for counterweight guide block.
7. electric pushrod test device according to claim 6, which is characterized in that it is horizontal that the bottom surface of the plate is equipped with one Hydraulic cylinder, the horizontal hydraulic cylinder are located at the side of through-hole and for pushing counterweight guide block.
8. electric pushrod test device according to claim 2, which is characterized in that further include disc spring, the disc spring is arranged On threaded rod, it is located between pull pressure sensor and connection shaft body.
CN201821831515.6U 2018-11-07 2018-11-07 Electric pushrod test device Active CN208795292U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821831515.6U CN208795292U (en) 2018-11-07 2018-11-07 Electric pushrod test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821831515.6U CN208795292U (en) 2018-11-07 2018-11-07 Electric pushrod test device

Publications (1)

Publication Number Publication Date
CN208795292U true CN208795292U (en) 2019-04-26

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Application Number Title Priority Date Filing Date
CN201821831515.6U Active CN208795292U (en) 2018-11-07 2018-11-07 Electric pushrod test device

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269570A (en) * 2018-11-07 2019-01-25 扬州电力设备修造厂有限公司 A kind of electric pushrod test device
CN110686728A (en) * 2019-10-24 2020-01-14 绍兴新益流体传动机械有限公司 Full-automatic electric push rod combined test stand
CN111413082A (en) * 2020-04-26 2020-07-14 宁波大榭开发区天正模具有限公司 Device for detecting service life of push rod of die-casting die
CN111595678A (en) * 2020-06-11 2020-08-28 青岛豪江智能科技股份有限公司 Electric push rod aging test machine and method
CN112611492A (en) * 2020-11-30 2021-04-06 横店集团英洛华电气有限公司 Push rod empty load switching detection device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109269570A (en) * 2018-11-07 2019-01-25 扬州电力设备修造厂有限公司 A kind of electric pushrod test device
CN109269570B (en) * 2018-11-07 2024-03-22 扬州电力设备修造厂有限公司 Electric putter testing arrangement
CN110686728A (en) * 2019-10-24 2020-01-14 绍兴新益流体传动机械有限公司 Full-automatic electric push rod combined test stand
CN111413082A (en) * 2020-04-26 2020-07-14 宁波大榭开发区天正模具有限公司 Device for detecting service life of push rod of die-casting die
CN111413082B (en) * 2020-04-26 2021-10-29 宁波大榭开发区天正模具有限公司 Device for detecting service life of push rod of die-casting die
CN111595678A (en) * 2020-06-11 2020-08-28 青岛豪江智能科技股份有限公司 Electric push rod aging test machine and method
CN111595678B (en) * 2020-06-11 2023-09-22 青岛豪江智能科技股份有限公司 Electric push rod aging testing machine and method
CN112611492A (en) * 2020-11-30 2021-04-06 横店集团英洛华电气有限公司 Push rod empty load switching detection device

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