CN204027804U - The test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment - Google Patents
The test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment Download PDFInfo
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- CN204027804U CN204027804U CN201420452189.3U CN201420452189U CN204027804U CN 204027804 U CN204027804 U CN 204027804U CN 201420452189 U CN201420452189 U CN 201420452189U CN 204027804 U CN204027804 U CN 204027804U
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Abstract
A test unit for three-degree-of-freedom motion under high hydraulic pressure environment, relates to submarine mechanical exercise test technical field.Be provided with support bar in casing, support bar cover has integrated nut.In casing, one end of three drive units is equipped with output shaft, and the other end is connected with electrical control cabinet.First drive unit connects the first screw mandrel by a transmission component, and the first screw mandrel is through integrated nut, and the first screw mandrel, by rotating, drives integrated nut to realize the translation of horizontal direction; The output shaft of the second drive unit connects the second screw mandrel passing perpendicularly through integrated nut, and the second screw mandrel, by rotating, drives the second drive unit to realize the translation of vertical direction; 3rd drive unit is connected with the second drive unit, its output shaft joint test part, and testpieces, by the drive of this output shaft, is that axle center realizes 360 ° of rotations with vertical direction.The utility model can realize three-degree-of-freedom motion under high hydraulic pressure environment, and kinematic accuracy is high, ensure that the comprehensive of experiment effect and accuracy.
Description
Technical field
The utility model relates to submarine mechanical exercise test technical field, is specifically related to the test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment.
Background technology
Along with the development of China's underwater operation technology, also more and more higher to the requirement of submarine mechanical.In order to the requirement making the properties of submarine mechanical reach certain, various submarine mechanical motion test device of motion also arises at the historic moment.Under water in environment, submarine mechanical motion test device of motion is by motoring ring test object motion, and the test angle of continuous change trial object and position, reach the object of testing experiment object properties.
At present, existing submarine mechanical motion test device of motion many employings driven by motor speed reduction unit, then drives a screw mandrel to move by speed reduction unit.But the test unit of the type can only realize the motion of single degree of freedom, and kinematic accuracy is not high, test effect not comprehensively, precisely.In addition, this test unit only can be tested under certain hydraulic pressure, can not meet the requirement under high hydraulic pressure environment, narrow application range.
Utility model content
For the defect existed in prior art, the purpose of this utility model is to provide the test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment, can realize three-degree-of-freedom motion under high hydraulic pressure environment, and kinematic accuracy is high, ensure that the comprehensive of experiment effect and accuracy.
For reaching above object, the technical scheme that the utility model is taked is: the test unit providing three-degree-of-freedom motion under a kind of high hydraulic pressure environment, comprise casing, in described casing, level is fixed with support bar, described support bar movable sleeve is provided with integrated nut, also be provided with three drive units in described casing, one end of each drive unit is provided with output shaft, and the other end is connected with external electrical control cabinet.
First drive unit and support bar be arranged in parallel, and be fixed on chassis sidewall, the output shaft of described first drive unit connects the first screw mandrel by a transmission component, described first screw mandrel and support bar be arranged in parallel, and through integrated nut, and the first screw mandrel is by rotating, and drives integrated nut to realize the translation of horizontal direction.
Second drive unit is vertically arranged at the top of integrated nut, the output shaft of described second drive unit is arranged downwards, and connects the second screw mandrel, and described second screw mandrel passes perpendicularly through integrated nut, and the second screw mandrel is by rotating, and drives the second drive unit to realize the translation of vertical direction.
3rd drive unit is vertically arranged at the side of integrated nut, described 3rd drive unit is connected with the second drive unit, and the output shaft of described 3rd drive unit is arranged downwards, and joint test part, described testpieces, by the drive of this output shaft, is that axle center realizes 360 ° of rotations with vertical direction.
On the basis of technique scheme, each drive unit comprises the speed reduction unit, stepper motor and the scrambler that connect successively.The axle of described speed reduction unit is the output shaft of drive unit, and one end of described scrambler is connected with external electrical control cabinet by scrambler extension line.
On the basis of technique scheme, the outside of each drive unit is also provided with withstand voltage hatchcover and compressive cabin.Described withstand voltage hatchcover and speed reduction unit affixed, and the axle of speed reduction unit passes withstand voltage hatchcover; Described compressive cabin is placed on the outside of speed reduction unit, stepper motor and scrambler, and one end of compressive cabin and withstand voltage hatchcover affixed, the other end is provided with the cable interface passed for scrambler extension line.
On the basis of technique scheme, be provided with sealed core in described cable interface, the top of sealed core, bottom are respectively equipped with top board, lower platen, and the top of described top board is provided with gland nut, and sidepiece is provided with register pin; And sealed core, top board, lower platen correspondence offers multiple through hole passed for scrambler extension line.
On the basis of technique scheme, be also provided with in described compressive cabin and leak and the leakage sensor of automatic alarm for detecting.
On the basis of technique scheme, be provided with the dynamic seal ring of multiple preventing water leakage between described withstand voltage hatchcover and the axle of speed reduction unit, described dynamic seal ring is made up of grommet and the O type circle being placed on grommet.
On the basis of technique scheme, between described withstand voltage hatchcover and the axle of speed reduction unit, be provided with the slide bushing reducing to rub.
On the basis of technique scheme, described slide bushing adopts plastic material to make.
On the basis of technique scheme, described transmission component comprises Timing Belt and two synchronous pulleys, and a synchronous pulley is installed on the output shaft of the first drive unit, and another synchronous pulley is installed on the first screw mandrel, and two synchronous pulleys are connected by Timing Belt.
On the basis of technique scheme, the width of described casing is not more than 550mm; The length of described first screw mandrel, the second screw mandrel is greater than 200mm, is less than 550mm.
The beneficial effects of the utility model are:
1, the utility model is designed with three drive units, is respectively used to realize the translation of horizontal direction, the translation of vertical direction and take vertical direction as 360 ° of rotations in axle center, reaches three-degree-of-freedom motion, makes test effect more comprehensive.
2, in the utility model, each drive unit is all designed with the scrambler carrying out closed-loop control, translation precision controlling can be controlled, at ± 1 °, to make kinematic accuracy high in ± 0.5mm, rotation precision, ensure that the accuracy of experiment effect.
3, in the utility model; the outside of each drive unit is provided with withstand voltage hatchcover and compressive cabin; withstand voltage hatchcover and compressive cabin define pressure-resistant seal cabin, well can protect drive unit, thus a whole set of test unit can be operated under the high hydraulic pressure environment of 22MPa.
4, in the utility model, in compressive cabin, also leakage sensor is provided with.When there is water inlet in compressive cabin, leakage sensor can detect and leak and automatic alarm, can better ensure the normal operation of drive unit.
5, in the utility model, be provided with multiple dynamic seal ring between withstand voltage hatchcover and the axle of speed reduction unit, this dynamic seal ring is made up of grommet and O type circle, can play good preventing water leakage effect.In addition, also be provided with slide bushing between withstand voltage hatchcover and the axle of speed reduction unit, this slide bushing adopts the TTS78 plastic material of import, and this plastic material has good self-lubricating effect in water, expansion coefficient in water is little, the axle of speed reduction unit is rubbed in water less during driving torque.
6, the utility model have employed the cable interface hermetically-sealed construction form being applicable to high pressure sealing, ensure that the executive components such as speed reduction unit, stepper motor and scrambler are well protected in pressure-resistant seal cabin.
7, this test unit compact conformation, the width control system of casing, within 550mm, more can adapt to the test operation under high hydraulic pressure environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model test unit;
Fig. 2 is the A-A ＇ directional profile figure after Fig. 1 removes the second drive unit and the second screw mandrel;
Fig. 3 is the enlarged drawing of part B in Fig. 1;
Fig. 4 is the enlarged drawing of C part in Fig. 3;
Fig. 5 is the structural representation of dynamic seal ring.
Reference numeral:
1-casing; 2-support bar; The integrated nut of 3-; 4-first drive unit; 5-second drive unit; 6-the 3rd drive unit; 7-transmission component, 71-Timing Belt, 72-synchronous pulley; 8-first screw mandrel; 9-second screw mandrel; 10-speed reduction unit; 11-stepper motor; 12-scrambler; 13-is withstand voltage hatchcover; 14-compressive cabin; 15-cable interface, 151-sealed core, 152-top board, 153-lower platen, 154-gland nut, 155-register pin; 16-leakage sensor; 17-dynamic seal ring, 171-grommet, 172-O type circle; 18-slide bushing; 19-testpieces.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As depicted in figs. 1 and 2, the utility model provides the test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment, comprise casing 1, in described casing 1, level is fixed with support bar 2, described support bar 2 movable sleeve is provided with integrated nut 3, also be provided with three drive units in described casing 1, one end of each drive unit is provided with output shaft, and the other end is connected with external electrical control cabinet.
First drive unit 4 be arranged in parallel with support bar 2, and is fixed on casing 1 sidewall, and the output shaft of described first drive unit 4 connects the first screw mandrel 8 by a transmission component 7, and described first screw mandrel 8 be arranged in parallel with support bar 2, and through integrated nut 3.First screw mandrel 8, by rotating, drives integrated nut 3 to realize the translation of horizontal direction.
Second drive unit 5 is vertically arranged at the top of integrated nut 3, and the output shaft of described second drive unit 5 is arranged downwards, and connects the second screw mandrel 9, and described second screw mandrel 9 passes perpendicularly through integrated nut 3.Second screw mandrel 9, by rotating, drives the second drive unit 5 to realize the translation of vertical direction.
3rd drive unit 6 is vertically arranged at the side of integrated nut 3, and described 3rd drive unit 6 is connected with the second drive unit 5, and the output shaft of described 3rd drive unit 6 is arranged downwards, and joint test part 19.Described testpieces 19, by the drive of this output shaft, is that axle center realizes 360 ° of rotations with vertical direction.
As shown in Figure 3, each drive unit comprises the speed reduction unit 10, stepper motor 11 and the scrambler 12 that connect successively, the axle of described speed reduction unit 10 is the output shaft of drive unit, and one end of described scrambler 12 is connected with external electrical control cabinet by scrambler extension line.This scrambler is used for carrying out closed-loop control, translation precision controlling can be controlled, at ± 1 °, to make kinematic accuracy high in ± 0.5mm, rotation precision, ensure that the accuracy of experiment effect.
In addition, the outside of each drive unit is also provided with withstand voltage hatchcover 13 and compressive cabin 14, and described withstand voltage hatchcover 13 is affixed with speed reduction unit 10, and the axle of speed reduction unit 10 passes withstand voltage hatchcover 13; Described compressive cabin 14 is placed on the outside of speed reduction unit 10, stepper motor 11 and scrambler 12, and one end of compressive cabin 14 and withstand voltage hatchcover 13 affixed, the other end is provided with the cable interface 15 passed for scrambler extension line.This is withstand voltage hatchcover 13 and compressive cabin 14 define pressure-resistant seal cabin, well can protect, thus a whole set of test unit can be operated under the high hydraulic pressure environment of 22MPa to drive unit.
As shown in Figure 4, be provided with sealed core 151 in described cable interface 15, the top of sealed core 151, bottom are respectively equipped with top board 152, lower platen 153, and the top of described top board 152 is provided with gland nut 154, and sidepiece is provided with register pin 155.And sealed core 151, top board 152, lower platen 153 correspondence offer multiple through hole passed for scrambler extension line.Wherein, gland nut 154 compresses and fixation, and make sealed core 151 precompression by the pressure of gland nut 154, set up initial sealing, when hydraulic pressure effect, sealed core 151 is by compacted further, seals more reliable.Top board 152, lower platen 153 can keep the shape of sealed core 151, the pressure uniform of sealed core 151 is distributed, prevents sealed core 151 squeezed bad.Register pin 155 rotates when sealed core 151 is tightened with gland nut 154 for preventing top board 152, is reversed by scrambler extension line.Sealed core 151 is circular configuration, and the through hole that sealed core 151, top board 152 and lower platen 153 correspondence are offered matches with scrambler extension line external diameter.
In order to prevent withstand voltage hatchcover 13 place from leaking, between described withstand voltage hatchcover 13 and the axle of speed reduction unit 10, be provided with the dynamic seal ring 17 of multiple preventing water leakage.As shown in Figure 5, described dynamic seal ring 17 is made up of grommet 171 and the O type circle 172 being placed on grommet 171, can play good preventing water leakage effect.Further, be also provided with in described compressive cabin 14 and leak and the leakage sensor 16 of automatic alarm for detecting.
In order to avoid producing excessive friction between withstand voltage hatchcover 13 and the axle of speed reduction unit 10, between described withstand voltage hatchcover 13 and the axle of speed reduction unit 10, be also provided with the slide bushing 18 reducing to rub.This slide bushing 18 adopts the TTS78 plastic material of import, and the TTS78 plastic material of import has good self-lubricating effect in water, the advantages such as the expansion coefficient in water is little, ensure that the axle of speed reduction unit rubs during driving torque in water less.
In the present embodiment, transmission component 7 has selected Timing Belt 71 and two synchronous pulleys 72.A synchronous pulley 72 is installed on the output shaft of the first drive unit 4, and another synchronous pulley 72 is installed on the first screw mandrel 8, two synchronous pulleys 72 and is connected by Timing Belt 71.In addition, the inner structure of described casing 1 is compact, and its width control system, within 550mm, more can adapt to the test operation under high hydraulic pressure environment; The length of described first screw mandrel 8, second screw mandrel 9 is greater than 200mm, is less than 550mm, the translation making testpieces 19 can realize level and vertical both direction to be not less than 200mm.
The implementation procedure of horizontal direction translation: (1) first arranges movement velocity and move distance on the control panel of external electrical control cabinet, the software program in control system can calculate the number of pulses of the stepper motor 11 of the first drive unit 4 automatically according to motion transmission ratio; (2) start button on control panel is pressed, stepper motor 11 starts to rotate, then speed reduction unit 10 and scrambler 12 is driven to move by stepper motor 11, the axle of speed reduction unit 10 is as the output shaft of the first drive unit 4, continue to transfer torque to the transmission component 7 be attached thereto, scrambler 12 records the umber of pulse of stepper motor 11 simultaneously; (3) transmission component 7 by power transmission on the first screw mandrel 8 being processed with acme thread, integrated nut 3 realizes the translation of horizontal direction under the acting force of the first screw mandrel 8, integrated nut 3 drives the second drive unit 5, the 3rd drive unit 6 translation together, thus makes the testpieces 19 be connected with the 3rd drive unit 6 realize the translation of horizontal direction; (4) stopping of the umber of pulse recorded by scrambler 12 control step motor 11 exactly, thus realize high-precision motion.
The implementation procedure of vertical direction translation: (1) first arranges movement velocity and move distance on the control panel of external electrical control cabinet, the software program in control system can calculate the number of pulses of the stepper motor 11 of the second drive unit 5 automatically according to motion transmission ratio; (2) press the start button on control panel, stepper motor 11 starts to rotate, and then drives speed reduction unit 10 and scrambler 12 to move by stepper motor 11, the umber of pulse of scrambler record stepper motor; (3) axle of speed reduction unit 10 is as the output shaft of the second drive unit 5, continue to transfer torque to and be processed with on the second screw mandrel 9 of acme thread, integrated nut 3 cannot move owing to there being the fixing of support bar 2, at this moment oppositely make the translation that the second screw mandrel 9 drives the second drive unit 5, the 3rd drive unit 6 realizes vertical direction, thus make the testpieces 19 be connected with the 3rd drive unit 6 realize the translation of vertical direction; (4) stopping of the umber of pulse recorded by scrambler 12 control step motor 11 exactly, thus realize high-precision motion.
Take vertical direction as 360 ° of implementation procedures rotated in axle center: (1) first arranges movement velocity and move distance on the control panel of external electrical control cabinet, the software program in control system can calculate the number of pulses of the stepper motor 11 of the 3rd drive unit 6 automatically according to motion transmission ratio; (2) start button on control panel is pressed, the stepper motor 11 of the 3rd drive unit 6 starts to rotate, then speed reduction unit 10 and scrambler 12 is driven to move by stepper motor 11, speed reduction unit 10 directly motoring ring test part 19 realizes taking vertical direction as 360 ° of rotations in axle center, and scrambler 12 records the umber of pulse of stepper motor 11; (3) stopping of the umber of pulse recorded by scrambler 12 control step motor 11 exactly, thus realize high-precision motion.
Utilize the utility model to test, the motion of single degree of freedom can be realized, also can realize the resultant motion of any two degree of freedom, the resultant motion of three degree of freedom can also be realized.Further, this device can operate under high hydraulic pressure environment, and kinematic accuracy is high, ensure that the comprehensive of experiment effect and accuracy.
The utility model is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technical scheme, all within its protection domain.
Claims (10)
1. the test unit of three-degree-of-freedom motion under one kind high hydraulic pressure environment, it is characterized in that: comprise casing (1), described casing (1) interior level is fixed with support bar (2), described support bar (2) movable sleeve is provided with integrated nut (3), three drive units are also provided with in described casing (1), one end of each drive unit is provided with output shaft, and the other end is connected with external electrical control cabinet;
First drive unit (4) and support bar (2) be arranged in parallel, and be fixed on casing (1) sidewall, the output shaft of described first drive unit (4) connects the first screw mandrel (8) by a transmission component (7), described first screw mandrel (8) and support bar (2) be arranged in parallel, and through integrated nut (3), and the first screw mandrel (8) is by rotating, and drives integrated nut (3) to realize the translation of horizontal direction;
Second drive unit (5) is vertically arranged at the top of integrated nut (3), the output shaft of described second drive unit (5) is arranged downwards, and connect the second screw mandrel (9), described second screw mandrel (9) passes perpendicularly through integrated nut (3), and the second screw mandrel (9) is by rotating, and drives the second drive unit (5) to realize the translation of vertical direction;
3rd drive unit (6) is vertically arranged at the side of integrated nut (3), described 3rd drive unit (6) is connected with the second drive unit (5), the output shaft of described 3rd drive unit (6) is arranged downwards, and joint test part (19), described testpieces (19), by the drive of this output shaft, is that axle center realizes 360 ° of rotations with vertical direction.
2. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 1, it is characterized in that: each drive unit comprises the speed reduction unit (10), stepper motor (11) and the scrambler (12) that connect successively, the axle of described speed reduction unit (10) is the output shaft of drive unit, and one end of described scrambler (12) is connected with external electrical control cabinet by scrambler extension line.
3. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 2, it is characterized in that: the outside of each drive unit is also provided with withstand voltage hatchcover (13) and compressive cabin (14), described withstand voltage hatchcover (13) is affixed with speed reduction unit (10), and the axle of speed reduction unit (10) passes withstand voltage hatchcover (13); Described compressive cabin (14) is placed on the outside of speed reduction unit (10), stepper motor (11) and scrambler (12), and one end of compressive cabin (14) and withstand voltage hatchcover (13) affixed, the other end is provided with the cable interface (15) passed for scrambler extension line.
4. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 3, it is characterized in that: in described cable interface (15), be provided with sealed core (151), the top of sealed core (151), bottom are respectively equipped with top board (152), lower platen (153), the top of described top board (152) is provided with gland nut (154), and sidepiece is provided with register pin (155); And sealed core (151), top board (152), lower platen (153) correspondence offer multiple through hole passed for scrambler extension line.
5. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 3, is characterized in that: be also provided with in described compressive cabin (14) and leak and the leakage sensor (16) of automatic alarm for detecting.
6. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 3, it is characterized in that: the dynamic seal ring (17) being provided with multiple preventing water leakage between described withstand voltage hatchcover (13) and the axle of speed reduction unit (10), described dynamic seal ring (17) is made up of grommet (171) and the O type circle (172) that is placed on grommet (171).
7. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 3, is characterized in that: be provided with the slide bushing (18) reducing to rub between described withstand voltage hatchcover (13) and the axle of speed reduction unit (10).
8. the test unit of three-degree-of-freedom motion under high hydraulic pressure environment as claimed in claim 7, is characterized in that: described slide bushing (18) adopts plastic material to make.
9. the test unit of three-degree-of-freedom motion under the high hydraulic pressure environment according to any one of claim 1 to 8, it is characterized in that: described transmission component (7) comprises Timing Belt (71) and two synchronous pulleys (72), a synchronous pulley (72) is installed on the output shaft of the first drive unit (4), another synchronous pulley (72) is installed on the first screw mandrel (8), and two synchronous pulleys (72) are connected by Timing Belt (71).
10. the test unit of three-degree-of-freedom motion under the high hydraulic pressure environment according to any one of claim 1 to 8, is characterized in that: the width of described casing (1) is not more than 550mm; The length of described first screw mandrel (8), the second screw mandrel (9) is greater than 200mm, is less than 550mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452189.3U CN204027804U (en) | 2014-08-12 | 2014-08-12 | The test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420452189.3U CN204027804U (en) | 2014-08-12 | 2014-08-12 | The test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment |
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| Publication Number | Publication Date |
|---|---|
| CN204027804U true CN204027804U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420452189.3U Expired - Fee Related CN204027804U (en) | 2014-08-12 | 2014-08-12 | The test unit of three-degree-of-freedom motion under a kind of high hydraulic pressure environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204027804U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180968A (en) * | 2014-08-12 | 2014-12-03 | 中船重工特种设备有限责任公司 | Testing device for three-degree-of-freedom movements under high water pressure environment |
-
2014
- 2014-08-12 CN CN201420452189.3U patent/CN204027804U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180968A (en) * | 2014-08-12 | 2014-12-03 | 中船重工特种设备有限责任公司 | Testing device for three-degree-of-freedom movements under high water pressure environment |
| CN104180968B (en) * | 2014-08-12 | 2017-01-25 | 中船重工特种设备有限责任公司 | Testing device for three-degree-of-freedom movements under high water pressure environment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170812 |
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| CF01 | Termination of patent right due to non-payment of annual fee |