CN210391596U - Suspension system of flexible solar cell wing extension mechanism - Google Patents
Suspension system of flexible solar cell wing extension mechanism Download PDFInfo
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- CN210391596U CN210391596U CN201920760006.7U CN201920760006U CN210391596U CN 210391596 U CN210391596 U CN 210391596U CN 201920760006 U CN201920760006 U CN 201920760006U CN 210391596 U CN210391596 U CN 210391596U
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- slide rail
- solar cell
- adjusting rod
- extension mechanism
- sliding
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Abstract
The utility model provides a suspension system of flexible solar cell wing extension mechanism belongs to cable suspension device technical field. The system comprises a cross beam, a slide rail, N hang units and M supporting seats, N is the integer more than or equal to 3, M is the integer more than or equal to 2, the supporting seat includes the base, support column and horizontal support board, the support column lower extreme is fixed on the base, the upper end is used for supporting fixed horizontal support board, N supporting seats are arranged in a word at equidistant intervals, and the bottom surface fixed connection of N horizontal support board is on the crossbeam that the level set up, the slide rail is fixed in the crossbeam lower part, and parallel with the crossbeam, N hangs the unit setting on the slide rail, and slide along the slide rail under the exogenic action, N hangs the unit and is used for hanging the different positions that flexible solar cell wing extended mechanism. The system well simulates the in-orbit weightlessness working environment of the extension mechanism, and solves the zero gravity environment simulation problems of large size change and unfixed gravity center of the extension mechanism under different working states.
Description
Technical Field
The utility model relates to a cable suspension device technical field provides a cable suspension system who uses in flexible solar cell wing extension mechanism level exhibition is received and is tested very much.
Background
The orbits of the spacecraft are all in a zero gravity environment, the action of load of the flexible wing extension mechanism working in space is greatly different from that of the flexible wing extension mechanism working on the ground, the extension mechanism has frequent expansion and folding working conditions on the orbit, and the working conditions need to be fully checked before flying. In order to simulate the real working conditions of the extension mechanism, the test under ground conditions must also eliminate the influence of gravity as much as possible.
In the prior art, the low-gravity simulation of domestic space mechanisms adopts a single-point suspension method to balance the self gravity of the mechanism, and the hanging device required by the method has a simple structure and is easy to realize, such as 1/6g ground low-gravity simulation test of a lunar vehicle and the like. However, the sizes of the unfolding state and the folding state of the stretching mechanism have 1 magnitude order difference, the weight distribution is greatly changed, the position of the gravity center relative to the mechanism is always changed, and the single-point suspension method cannot meet the requirement of a ground test.
Disclosure of Invention
Problem to exist among the prior art, the embodiment of the utility model provides a suspension system of flexible solar cell wing extension mechanism, the fine simulation of this system extend the mechanism at the weightless operational environment of rail, and the zero gravity environmental simulation problem that dimensional change is big, the focus is unset under the different operating condition of extension mechanism has been solved to this system.
The technical solution of the utility model is that:
a hanging system of a flexible solar cell wing extension mechanism comprises a cross beam, a slide rail, N hanging units and M supporting seats, wherein N is an integer larger than or equal to 3, M is an integer larger than or equal to 2, the supporting seats comprise a base, supporting columns and horizontal supporting plates, the lower ends of the supporting columns are fixed on the base, the upper ends of the supporting columns are used for supporting and fixing the horizontal supporting plates, the N supporting seats are arranged in a line at equal intervals, the bottom surfaces of the N horizontal supporting plates are fixedly connected to the horizontally arranged cross beam, the slide rail is fixed to the lower portion of the cross beam and parallel to the cross beam, the N hanging units are arranged on the slide rail and slide along the slide rail under the action of external force, and the N hanging units are used for hanging different positions of the flexible solar cell wing extension mechanism.
In an optional embodiment, the hanging unit comprises a sliding assembly, an adjusting assembly, a force measuring device and a hook, the sliding assembly is used for sliding along the sliding rail, the hook is fixed on the sliding assembly through the adjusting assembly, the adjusting assembly is used for adjusting the height of the hook in the vertical direction, and the force measuring device is arranged on the hook and used for measuring the bearing capacity of the hook.
In an alternative embodiment, the sliding assembly includes a Y-shaped sliding member and two sliding bearings, the two sliding bearings are respectively disposed on two branches of the sliding member, the sliding rail is located between the two branches of the sliding member, and the two sliding bearings slide along the sliding rail.
In an optional embodiment, the adjusting assembly comprises a first adjusting rod, a second adjusting rod and an adjusting rod fixing seat, the adjusting rod fixing seat is of a hollow structure, one end of the first adjusting rod is connected with the sliding assembly, the other end of the first adjusting rod enters the adjusting rod fixing seat from the first end of the adjusting rod fixing seat and is in threaded connection with the adjusting rod fixing seat, one end of the second adjusting rod is connected with the hook, and the other end of the second adjusting rod enters the adjusting rod fixing seat from the second end of the adjusting rod fixing seat and is in threaded connection with the adjusting rod fixing seat.
In an alternative embodiment, the force measuring device is a pipe-type force gauge, and the hook is connected with the adjusting assembly through the pipe-type force gauge.
In an optional embodiment, the suspension system of the flexible solar cell wing extension mechanism comprises two parallel beams and two parallel slide rails, the slide rails correspond to the beams one to one, the slide rails are located right below the corresponding beams, one slide rail corresponds to N slide assemblies, the two corresponding slide assemblies on the slide rails are fixedly connected through a connecting beam, and the adjusting assembly is fixed in the middle of the connecting beam.
In an optional embodiment, the supporting column comprises two parallel upright columns and a supporting beam supported between the two upright columns, and supporting rods are arranged between the lower end of the supporting column and the base and between the upper end of the supporting column and the horizontal supporting plate.
In an alternative embodiment, the bottom of the base is provided with a height-adjustable foot support and a caster.
In an optional embodiment, the slide rail is of a hollow cylindrical structure, the cross beam is of a hollow square column structure, the slide rail and the cross beam are fixedly connected through a plurality of uniformly distributed rod-shaped connecting pieces, and the rod-shaped connecting pieces penetrate through the slide rail along a vertical center line of a circular section of the slide rail.
In an alternative embodiment, N and M are each integers from 9 to 13.
Compared with the prior art, the utility model beneficial effect be:
the embodiment of the utility model provides a suspension system of flexible solar cell wing extension mechanism, through the crossbeam establish ties and fixes a plurality of supporting seats and form the structure that a plurality of supporting seats are arranged in a word, utilize the rigidity of crossbeam to provide even vertical ascending power for the slide rail, guarantee the straightness accuracy of slide rail; hang the hoisting point of extending the different positions of mechanism through a plurality of units of hanging, through setting up the slide rail parallel with the crossbeam, make each hang the unit and can follow the crossbeam and slide to realize hanging the point and then the exhibition of extending the mechanism and receive and do the space and accompany the motion, for the expansion mechanism provides perpendicular ascending pulling force, fine simulation extends the zero gravity environment simulation problem that the mechanism is weightless in the rail, this system has solved under the different operating condition of extension mechanism that dimensional change is big, focus is unsettled.
Drawings
Fig. 1 is a side view and an enlarged view of a portion a of a suspension system of a flexible solar cell wing extension mechanism according to an embodiment of the present invention;
fig. 2 is an assembly schematic diagram of a hanging system and an extending mechanism of a flexible solar cell wing extending mechanism according to an embodiment of the present invention;
fig. 3 is a schematic view of a support seat provided in the embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a hanging system of a flexible solar cell wing extension mechanism, including a cross beam 2, a slide rail 3, N hanging units 5 and M supporting seats 1, where N is an integer greater than or equal to 3, M is an integer greater than or equal to 2, as shown in fig. 3, the supporting base 1 includes a base 11, a supporting column 12 and a horizontal supporting plate 13, the lower end of the supporting column 12 is fixed on the base 11, the upper end is used for supporting and fixing the horizontal supporting plate 13, N supporting seats 1 are arranged in a line at equal intervals, the bottom surfaces of the N horizontal supporting plates 13 are fixedly connected to the horizontally arranged cross beam 2, the slide rails 3 are fixed at the lower part of the cross beam 2, and is parallel to the beam 2, the N hanging units 5 are arranged on the slide rail 3 and slide along the slide rail 3 under the action of external force, the N hanging units 5 are used for hanging different positions of the flexible solar cell wing stretching mechanism.
Specifically, in the embodiment of the present invention, the hanging unit may be a hanging assembly used in the existing testing method, and the supporting seat may be a supporting seat used in the existing testing method, which is not limited by the present invention; m and N can be the same or different, for the equilibrium of guaranteeing to support firm and crossbeam and slide rail, the embodiment of the utility model provides an M and N are preferred the same, more preferably the integer of 9-13.
When the test extends the mechanism in draw in state, adopt one that is located the middle part to hang the unit and hang the extension mechanism of draw in state, when the test expanded state, adopt the different unit of hanging to hang the different truss units that extend the mechanism, along with the expansion of extending the mechanism, each hangs the unit and removes to disperse state along the slide rail, in the embodiment of the utility model, all hang some preferred with extend the mechanism central line symmetry.
The embodiment of the utility model provides a suspension system of flexible solar cell wing extension mechanism, through the crossbeam series connection fixed a plurality of supporting seats form a structure that a plurality of supporting seats are arranged in a line, utilize the rigidity of crossbeam to provide even vertical upward power for the slide rail, guarantee the straightness accuracy of slide rail; hang the hoisting point of extending the different positions of mechanism through a plurality of units of hanging, through setting up the slide rail parallel with the crossbeam, make each hang the unit and can follow the crossbeam and slide to realize hanging the point and then the exhibition of extending the mechanism and receive and do the space and accompany the motion, for the expansion mechanism provides perpendicular ascending pulling force, fine simulation extends the zero gravity environment simulation problem that the mechanism is weightless in the rail, this system has solved under the different operating condition of extension mechanism that dimensional change is big, focus is unsettled.
As shown in fig. 1 and 2, specifically, the hanging unit 5 includes a sliding assembly 51, an adjusting assembly 52, a force measuring device 53 and a hook 54, the sliding assembly 51 is configured to slide along the sliding rail 3, the hook 54 is fixed on the sliding assembly 51 through the adjusting assembly 52, the adjusting assembly 52 is configured to adjust the height of the hook 54 in the vertical direction, and the force measuring device 53 is disposed on the hook 54 and configured to measure the bearing capacity of the hook 54. The hanging force borne by the hanging point can be measured by arranging the force measuring device, and the height of the hook can be adjusted by arranging the adjusting assembly according to the hanging force of each hanging point, so that the hanging force borne by each hanging point is ensured to be the same.
As shown in fig. 1, specifically, the sliding assembly 51 includes a Y-shaped sliding member 511 and two sliding bearings 512, the two sliding bearings 512 are respectively disposed on two branches of the sliding member 511, the sliding rail 3 is located between the two branches of the sliding member 511, and the two sliding bearings 512 slide along the sliding rail 3. The sliding component can slide on the long sliding rail with low damping.
As shown in fig. 2, specifically, the adjusting assembly 52 includes a first adjusting rod 521, a second adjusting rod 522 and an adjusting rod fixing seat 523, the adjusting rod fixing seat 523 is a cylindrical hollow structure, one end of the first adjusting rod 521 is connected to the sliding assembly, the other end of the first adjusting rod 521 enters the adjusting rod fixing seat 523 from the upper end of the adjusting rod fixing seat 523 and is in threaded connection with the adjusting rod fixing seat 523, one end of the second adjusting rod is connected to the hook 54, and the other end of the second adjusting rod enters the adjusting rod fixing seat 523 from the lower end of the adjusting rod fixing seat 523 and is in threaded connection with the adjusting rod fixing seat 523. The embodiment of the utility model provides an in first regulation pole and second adjust the pole and be full thread screw rod, this adjusting part is convenient for install fixed, and convenient height-adjusting.
Specifically, in order to facilitate the fixed connection of the force measuring device, the force measuring device 53 is a pipe-type dynamometer, and the hook 54 is connected with the adjusting assembly 52 through the pipe-type dynamometer.
As shown in fig. 1 and 2, the suspension system of the flexible solar cell wing extension mechanism includes two parallel-arranged beams 2 and two parallel-arranged slide rails 3, the slide rails 3 are in one-to-one correspondence with the beams 2, the slide rails 3 are located right below the corresponding beams 2, one slide rail 3 corresponds to N slide assemblies 51, the slide assemblies 51 on the two slide rails 3 are in one-to-one correspondence, the two corresponding slide assemblies 51 are fixedly connected through a connecting beam 513, and the adjusting assembly 52 is fixed in the middle of the connecting beam 513. As shown in fig. 2, the connection beam 513 is preferably a hollow cylindrical tube, the adjusting assembly 52 is fixed in the middle of the connection beam 513 through another sliding assembly 51, and the horizontal movement of the hook is guided by arranging two beams and two sliding rails in parallel and by fixedly connecting the corresponding two sliding assemblies.
Specifically, as shown in fig. 3, the supporting column 12 includes two upright columns 121 arranged in parallel and a supporting beam 122 supported between the two upright columns 121, and supporting rods 123 are respectively disposed between the lower end of the supporting column 12 and the base 11 and between the upper end of the supporting column 12 and the horizontal supporting plate 13.
Further, the bottom of the base 11 is provided with a height-adjustable foot support 111 and a caster 112. The base can move in three-dimensional directions according to the requirement of posture adjustment of the sliding rail, the horizontal two directions are adjusted by the self-provided caster, and the vertical one direction is adjusted by the foot support.
Specifically, as shown in fig. 1, the utility model provides a slide rail 3 is the hollow cylinder structure, crossbeam 2 is the hollow square column structure, slide rail 3 with crossbeam 2 is connected fixedly through many shaft-like connecting pieces 6 of equipartition, shaft-like connecting piece is followed 3 circular cross section's of slide rail perpendicular central line runs through slide rail 3, specifically, the shaft-like connecting piece can be for full thread cylinder screw rod, screw etc. in this embodiment, both ends accessible nut fastening about the connecting piece to be convenient for adjust the height of slide rail, be convenient for realize the adjustment to long slide rail levelness.
The following is a specific embodiment of the present invention:
examples are given.
The utility model provides a suspension system overall length (the length of slide rail and crossbeam) 24m that is used for flexible solar cell wing to extend mechanism level exhibition and receive experiment, includes 11 units of hanging, 11 supporting seats, two crossbeams and two slide rails, before the exhibition is received and is tested, has carried out the measure and regulate to the device, guarantees that whole slide rail straightness accuracy is no longer than 5mm, and the slide rail that every supporting seat corresponds and the levelness of tie-beam are within 0.5mm, guarantee that single hoisting point frictional force is minimum as far as possible. The embodiment specifically debugs by the following method:
1. coarse adjustment
As shown in fig. 1, the system is observed from the head (or tail) support seat 1 along the direction of the slide rail 3, and each support seat 1 is basically located on the same straight line visually; then, the height of the foot support under the supporting seat 1 is adjusted to make it supported on the ground, so as to avoid moving, as shown in fig. 3.
2. Precision adjustment of linearity of whole sliding rail
As shown in fig. 1, the shape of one or two or three of the supports 1 is used as the reference for the measurement and adjustment of the laser tracker, a target is placed on the outer side (non-working surface) of one of the sliding assemblies, the sliding assembly is moved along the whole guide rail 3, a point is taken at the position of the slide rail 3 corresponding to each support 1, and the straightness offset data (relative to the reference for the measurement of the laser tracker) of the acquisition point position of the slide rail 3 corresponding to all the supports 1 is measured by the laser tracker.
According to the measuring result, the straightness of the slide rail 3 in the horizontal direction is adjusted by moving the corresponding supporting seat 1 left and right, and the straightness of the slide rail 3 in the vertical direction is adjusted by adjusting the telescopic length of the rod-shaped connecting piece.
Then measuring the straightness of the other slide rail 3 by the same method, and repeatedly ensuring that the straightness of the whole slide rail 3 is not more than 5 mm; after the measurement is completed, the target is not removed for the moment, and the target is used for subsequent leveling of the sliding rail 3 and the connecting beam.
3. Leveling
As shown in fig. 1, the target on the slide assembly is used to move the slide assembly on the support base 1, sampling points are sequentially performed at all the rod-shaped connecting pieces 6 of the slide rail 3, the Z-direction (vertical) coordinates of the sampling points are recorded by the laser tracker, and after the sampling points at all the rod-shaped connecting pieces 6 of the slide rail 3 are completed, reference data for adjusting the height of the slide rail 3 is determined by comparing the data.
After the height adjusting reference value is determined, the sliding assembly is moved to be respectively positioned at the positions of the rod-shaped connecting pieces 6 from top to bottom, the laser tracker measures height data of the positions in real time, the rod-shaped connecting pieces 6 are adjusted to be basically consistent with the height adjusting reference value (the difference is not more than 0.5mm), and the processes are repeated to enable the sliding rail 3 to be basically horizontal.
The method for completing the gravity balance and following unfolding and folding of the flexible solar cell wing unfolding mechanism by the hanging device comprises the following steps:
and after the measurement and adjustment of the hanging device are completed, performing a horizontal unfolding and folding test. As shown in fig. 2, 1 lifting point a is installed at the first triangular frame at the head of the extension mechanism b, and 1 lifting point a is installed at each 5-section truss unit of the extension mechanism during the unfolding process. The suspension point a can be suspended at the triangular frame profile nut, prohibiting the suspension point from being suspended only on the hinge rod assembly.
In the folding process, attention needs to be paid to timely picking off the lifting point to avoid the interference of the lifting point and the box body of the unfolding mechanism.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. The non-detailed description of the present invention is within the common general knowledge of those skilled in the art.
Claims (10)
1. The hanging system of the flexible solar cell wing extension mechanism is characterized by comprising a cross beam, a slide rail, N hanging units and M supporting seats, wherein N is an integer larger than or equal to 3, M is an integer larger than or equal to 2, each supporting seat comprises a base, a supporting column and a horizontal supporting plate, the lower end of each supporting column is fixed on the base, the upper end of each supporting column is used for supporting and fixing the horizontal supporting plate, the N supporting seats are arranged in a straight line at equal intervals, the bottom surfaces of the N horizontal supporting plates are fixedly connected to the horizontally arranged cross beam, the slide rail is fixed to the lower portion of the cross beam and parallel to the cross beam, the N hanging units are arranged on the slide rail and slide along the slide rail under the action of external force, and the N hanging units are used for hanging different positions of the flexible solar cell wing extension mechanism.
2. The hanging system of the flexible solar cell wing extension mechanism according to claim 1, wherein the hanging unit comprises a sliding assembly, an adjusting assembly, a force measuring device and a hook, the sliding assembly is used for sliding along the sliding rail, the hook is fixed on the sliding assembly through the adjusting assembly, the adjusting assembly is used for adjusting the height of the hook in the vertical direction, and the force measuring device is arranged on the hook and used for measuring the bearing capacity of the hook.
3. The system of claim 2, wherein the sliding assembly comprises a Y-shaped sliding member and two sliding bearings, the two sliding bearings are respectively disposed on two branches of the sliding member, the sliding rail is located between the two branches of the sliding member, and the two sliding bearings slide along the sliding rail.
4. The hanging system of the flexible solar cell wing extension mechanism according to claim 2 or 3, wherein the adjusting assembly comprises a first adjusting rod, a second adjusting rod and an adjusting rod fixing seat, the adjusting rod fixing seat is of a hollow structure, one end of the first adjusting rod is connected with the sliding assembly, the other end of the first adjusting rod enters the adjusting rod fixing seat from the first end of the adjusting rod fixing seat and is in threaded connection with the adjusting rod fixing seat, one end of the second adjusting rod is connected with the hook, and the other end of the second adjusting rod enters the adjusting rod fixing seat from the second end of the adjusting rod fixing seat and is in threaded connection with the adjusting rod fixing seat.
5. The hanging system of the flexible solar cell wing extension mechanism according to claim 2 or 3, wherein the force measuring device is a tubular force gauge, and the hook is connected with the adjusting component through the tubular force gauge.
6. The hanging system of the flexible solar cell wing extension mechanism according to claim 2 or 3, comprising two parallel beams and two parallel slide rails, wherein the slide rails correspond to the beams one to one, the slide rails are located right below the corresponding beams, one slide rail corresponds to the N slide assemblies, the two corresponding slide assemblies on the two slide rails are fixedly connected through a connecting beam, and the adjusting assembly is fixed in the middle of the connecting beam.
7. The hanging system of the flexible solar cell wing extension mechanism according to claim 1, wherein the support column comprises two parallel columns and a support beam supported between the two columns, and support rods are disposed between the lower end of the support column and the base and between the upper end of the support column and the horizontal support plate.
8. The hanging system of the flexible solar cell wing extension mechanism according to claim 1 or 7, wherein the bottom of the base is provided with a height-adjustable foot support and a caster.
9. The hanging system of the flexible solar cell wing extension mechanism according to claim 1, wherein the slide rail is of a hollow cylindrical structure, the cross beam is of a hollow square column structure, the slide rail and the cross beam are fixedly connected through a plurality of uniformly distributed rod-shaped connecting pieces, and the rod-shaped connecting pieces penetrate through the slide rail along a vertical center line of a circular cross section of the slide rail.
10. The hanging system of the flexible solar cell wing extension mechanism of claim 1, wherein N and M are each an integer from 9 to 13.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920760006.7U CN210391596U (en) | 2019-05-24 | 2019-05-24 | Suspension system of flexible solar cell wing extension mechanism |
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| CN201920760006.7U CN210391596U (en) | 2019-05-24 | 2019-05-24 | Suspension system of flexible solar cell wing extension mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056608A (en) * | 2021-11-30 | 2022-02-18 | 北京卫星制造厂有限公司 | Counter weight mechanism and zero-gravity unfolding experimental device |
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- 2019-05-24 CN CN201920760006.7U patent/CN210391596U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114056608A (en) * | 2021-11-30 | 2022-02-18 | 北京卫星制造厂有限公司 | Counter weight mechanism and zero-gravity unfolding experimental device |
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