CN217155846U - Adjustable auxiliary supporting device for large-scale solid rocket engine test - Google Patents
Adjustable auxiliary supporting device for large-scale solid rocket engine test Download PDFInfo
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- CN217155846U CN217155846U CN202220406182.2U CN202220406182U CN217155846U CN 217155846 U CN217155846 U CN 217155846U CN 202220406182 U CN202220406182 U CN 202220406182U CN 217155846 U CN217155846 U CN 217155846U
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Abstract
The utility model provides a supplementary strutting arrangement of adjustable for large-scale solid rocket engine is experimental solves supplementary strutting arrangement of adjustable and requires highlyer to hoist and mount, and mobility is poor, and the weak point that the platform body and crane are difficult to satisfy experimental requirement. Comprises a bottom plate, an arc support, a felt and two adjusting units; the two adjusting units are symmetrically and vertically arranged between the arc support and the bottom plate along the length direction of the bottom plate; each adjusting unit comprises two safety supports and an adjusting device, and the two safety supports are symmetrically arranged relative to the adjusting device along the arc support axial direction; the arc support comprises an arc plate, a rib plate and two vertical plates; two ends of the outer circular arc of the arc plate are respectively connected with two ends of the rib plate; the two vertical plates are vertically and symmetrically arranged between the outer peripheral surface of the arc plate and the inner wall surface of the rib plate along the axial direction of the arc support and are connected with the arc plate and the rib plate so as to enhance the strength; the rib plates are bent rib plates, and the plate surfaces of the rib plates matched with the two adjusting units are planes parallel to the bottom plate; the felt is arranged on the upper surface of the arc support.
Description
Technical Field
The utility model belongs to the technical field of jumbo size solid rocket engine ground horizontal test auxiliary assembly, concretely relates to an adjustable auxiliary stay device for large-scale solid rocket engine is experimental is applicable to the experiment of the great engine of diameter.
Background
The ground test of the solid rocket engine directly influences model development and product performance. In a traditional test, a pair of front and rear arc-shaped seats are basically used for holding and supporting an engine tightly by a supporting device, and a large-size and high-thrust solid rocket engine is long in cylinder section and large in mass, and the pair of arc-shaped seats is not enough for stably supporting the engine, so that one or a plurality of auxiliary supporting devices are matched between the front and rear arc-shaped seats according to the size and weight of the engine to ensure the stability of the test process.
Since the engine housing is cylindrical, the pressure created by the weight is concentrated at the base 120 wrap angle, and thus the secondary support means wrap angle is typically 120. Because the engine is supported by two arc-shaped seats with nonadjustable heights, the height of the auxiliary supporting device additionally arranged in the middle is adjustable so as to avoid the possible over-positioning condition of multi-point support.
In traditional experiment, the mode of height adjustment of auxiliary stay device adopts the bottom to install the form that fluid pressure type elevating platform increases additional basically, though this form is adjusted conveniently, but the shortcoming is that the structure size is great, the required space in the below of supporting the arc board is many, lead to auxiliary stay device center height very high, the height that needs to cross when the engine installation falls on strutting arrangement is also high, make hoist and mount dangerous, the degree of difficulty all increases, the requirement to the stage crane is also higher, and the interference problem of stage body top with the crane hoist appears easily, site conditions is difficult to satisfy and hangs the height requirement.
In view of the above, there is a need for a new adjustable auxiliary supporting device, which is triggered by a high thrust model.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve adjustable auxiliary stay device and require higher to hoist and mount, mobility is poor, and the weak point that the platform body and crane are difficult to satisfy experimental requirement, and provide an adjustable auxiliary stay device for large-scale solid rocket engine is experimental.
In order to achieve the above object, the present invention provides a technical solution:
a adjustable auxiliary stay device for large-scale solid rocket engine test, its special character lies in: comprises a bottom plate, an arc support, a felt and two adjusting units;
the two adjusting units are symmetrically and vertically arranged between the arc support and the bottom plate along the length direction of the bottom plate, namely arranged at two ends of a gap between the arc support and the bottom plate;
each adjusting unit comprises two safety supports and an adjusting device, and the two safety supports are symmetrically arranged relative to the adjusting device along the arc support axial direction;
the arc support comprises an arc plate, a rib plate and two vertical plates;
two ends of the outer circular arc of the arc plate are respectively connected with two ends of the rib plate;
the two vertical plates are vertically and symmetrically arranged between the outer peripheral surface of the arc plate and the inner wall surface of the rib plate along the axial direction of the arc support and are connected with the arc plate and the rib plate so as to enhance the strength;
the rib plates are bent rib plates, the plate surfaces matched with the two adjusting units are planes parallel to the bottom plate, and the two plate surfaces are preferably positioned on the same horizontal plane for the convenience of adjustment;
the felt is arranged on the upper surface of the arc support, so that the felt can be ensured not to scratch and tightly attached to the shell of the engine, and meanwhile, the expansion amount generated by the shell in the ignition process is absorbed;
furthermore, the safety support comprises a base, a locking nut and an adjusting rod;
the rod body of the adjusting rod is sequentially matched with the locking nut and the base through threads from top to bottom;
the circumferential surface of the end part of the base is uniformly provided with safety angle ribs.
Furthermore, the top of the adjusting rod is a hemispherical surface.
Furthermore, the adjusting device comprises a bidirectional threaded sleeve, and a left-hand stud and a right-hand stud which are in threaded fit with the bidirectional threaded sleeve;
the circumferential surfaces of the end parts of the left-handed stud and the right-handed stud are uniformly provided with adjusting angle ribs.
Furthermore, a plurality of U-shaped holes are formed in the side edge of the bottom plate, so that the whole auxiliary support is fixedly connected with the movable and fixed frame part which is responsible for bearing below.
Further, the bottom of the safety support is vertically welded on the bottom plate.
Furthermore, the top of the adjusting device is welded on the arc support, and the bottom of the adjusting device is welded on the bottom plate.
Further, the center angle of the inner arc of the arc plate is 120 °.
Further, the rib plates are of a symmetrical structure and comprise seven plate surfaces which are sequentially connected (for example, welded), wherein the first rib plate, the second rib plate, the third rib plate, the fourth rib plate, the fifth rib plate, the sixth rib plate and the seventh rib plate are sequentially arranged from one end to the other end, the shape of the whole rib plate is similar to an outward-expanded U shape, the second rib plate and the sixth rib plate are panels which are positioned on the same plane, the fourth rib plate is also a plane plate, and the rest plate surfaces are inclined plane plates.
Furthermore, the adjusting angle ribs and the supporting angle ribs are all right-angled triangles, and the number of the adjusting angle ribs and the number of the supporting angle ribs are 4.
The utility model has the advantages that:
1. the utility model discloses a highly low and high test device of security, the auxiliary stay of the horizontal test run of mainly used large-scale solid engine to reach quick realization engine and strutting arrangement's installation butt joint, reduce the workman and operate the degree of difficulty, reduce experimental dangerous purpose, have characteristics such as mobility is strong, the security is high.
2. The utility model discloses the device utilizes the difference in height of arc board self both ends and middle bottom, adopts the both ends to add adjusting device's combination form (controlling the high adjusting device that both ends installed two-way screw sleeve form additional promptly under supporting the arc board), has reduced the height of auxiliary stay as far as possible, cooperates four insurance supports of installation simultaneously, guarantees auxiliary stay device's stability.
3. The utility model discloses the device also reduces the hoist and mount height that the engine need cross the arc seat upper end when putting on the stage from the side when reducing device height 15%, and the cooperation is used the insurance of four sets of symmetries to be furnished with a plurality of risers and gusset, guaranteed auxiliary stay device's bearing capacity, promoted maneuverability and the security of whole test device installation and use, the bottom plate is furnished with the installation hole, and the movable and fixed frame assembly of joinable experimental usefulness.
Drawings
FIG. 1 is a perspective view of the adjustable auxiliary supporting device of the present invention;
FIG. 2 is a front view of the adjustable auxiliary supporting device of the present invention;
FIG. 3 is a side view of the adjustable auxiliary supporting device of the present invention;
FIG. 4 is a structural diagram of an arc support of the adjustable auxiliary supporting device of the present invention;
FIG. 5 is a structural diagram of the bottom plate of the adjustable auxiliary supporting device of the present invention;
FIG. 6 is a structural diagram of the adjusting device of the adjustable auxiliary supporting device of the present invention;
FIG. 7 is a structural diagram of the safety support of the adjustable auxiliary supporting device of the present invention;
the reference numbers are as follows:
1-felt, 2-arc support, 3-safety support, 4-adjusting device, 5-arc plate, 6-vertical plate, 7-rib plate, 8-left-handed stud, 9-bidirectional threaded sleeve, 10-right-handed stud and 11-adjusting angle rib; 12-adjusting rod, 13-locking nut, 14-base and 15-supporting angle rib.
Detailed Description
The invention is described in further detail below with reference to the following figures and specific examples:
as shown in fig. 1-7, the adjustable auxiliary supporting device is composed of a bottom plate, an arc support, a felt and two adjusting units.
The wrap angle of the arc support part is 120 degrees, and the arc support part is formed by welding 1 arc plate, 2 vertical plates in front and at the back and a rib plate; the two vertical plates are vertically and symmetrically arranged between the peripheral surface of the arc plate and the inner wall surface of the rib plate along the axial direction of the arc support; the rib plates are bent rib plates, the plate surfaces matched with the two adjusting units are planes parallel to the bottom plate, and the two plate surfaces are preferably positioned on the same horizontal plane for the convenience of adjustment. The felt is arranged on the upper surface of the arc support, so that the felt can be guaranteed not to scratch and tightly attached to the engine shell, and meanwhile, the expansion amount generated by the shell in the ignition process is absorbed. A certain number of U-shaped holes are formed in the front and the back of the bottom plate, so that the whole auxiliary support is fixedly connected with the movable and fixed frame part which is used for bearing the weight of the lower part.
The two adjusting units are symmetrically and vertically arranged between the arc support and the bottom plate along the length direction of the bottom plate, namely arranged at two ends of a gap between the arc support and the bottom plate; each adjusting unit comprises two safety supports and an adjusting device, and the two safety supports are symmetrically arranged relative to the adjusting device along the arc support axial direction; the adjusting device and the safety support are adjustable in height.
The adjusting device consists of a left-handed stud, a bidirectional threaded sleeve, a right-handed stud and an angle rib, the stud and the threaded sleeve are connected in a thread fit mode, the stud and the angle rib are connected in a welding mode, and the arc support height can be reduced or increased by simultaneously rotating the bidirectional threaded sleeve at the two ends in a forward and reverse mode;
the insurance is supported and is become by adjusting pole, lock nut, base, angle muscle, adjusts pole and lock nut, base and passes through screw-thread fit and connect, and angle muscle and base pass through the welding form and connect, adjusts the pole through corotation, reversal, can realize the turn down, the height-adjusting that the insurance supported, after the altitude mixture control was accomplished, lock nut screwed to with the base laminating, can pin and adjust the pole position in order to guarantee that the regulation pole can not appear not hard up phenomenon.
The top of the adjusting device is welded at the bottom of the arc support, the top of the safety support is a hemispherical surface and is in contact support with the bottom of the arc support, and the bottom of the adjusting device and the bottom of the safety support are welded on the bottom plate.
Compared with the traditional auxiliary supporting device, the height is reduced by 15 percent, and the height is reduced by 300mm by taking the engine test of 3500mm diameter used in the test as an example.
Before the engine is hoisted, the movable and fixed frame platform, the lower arc seat and the auxiliary supporting device are firstly installed and prepared to be in place, then the two ends of the auxiliary supporting device are rotated to be supported to the lowest degree, and then the two end adjusting devices are rotated forwardly and simultaneously, so that the height of the arc support is reduced below the lower arc seats of the front and rear arc seats.
The engine is from the lower arc seat top in the front and back arc seat when the upper desk of engine crosses and then falls on lower arc seat earlier, engine housing holds in the palm the top along the distance arc down this moment and has the certain distance, then reverse both ends adjusting device simultaneously and rise the arc and hold in the palm height to felt and engine housing down along closely laminating two-way swivel nut simultaneously and be difficult to continue to rotate again, the regulation pole that four insurance supported at last reverses respectively holds in the palm both ends bottom gusset with the arc and closely laminates with pole upper end sphere and guarantees to support, the lock nut that four insurance supported at last screws, it can not appear becoming flexible to guarantee to adjust the pole. From this, the installation of the auxiliary supporting device is completed.
And then, installing the upper arc seat parts of the front and rear arc seats, the transition frame, the force measuring assembly and other required test tools according to test requirements, and completing the tool preparation work before the test.
Through changing the inner diameter of the supporting device, the bottom plate connecting holes and the like, engines of different types and movable and fixed frame assemblies can be connected so as to meet the test requirements of engines of different specifications.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention.
Claims (10)
1. A adjustable auxiliary stay device for large-scale solid rocket engine is experimental, its characterized in that: comprises a bottom plate, an arc support, a felt and two adjusting units;
the two adjusting units are symmetrically and vertically arranged between the arc support and the bottom plate along the length direction of the bottom plate;
each adjusting unit comprises two safety supports and an adjusting device, and the two safety supports are symmetrically arranged relative to the adjusting device along the arc support axial direction;
the arc support comprises an arc plate, a rib plate and two vertical plates;
two ends of the outer circular arc of the arc plate are respectively connected with two ends of the rib plate;
the two vertical plates are vertically and symmetrically arranged between the outer peripheral surface of the arc plate and the inner wall surface of the rib plate along the axial direction of the arc support and are connected with the arc plate and the rib plate;
the rib plates are bent rib plates, and the plate surfaces of the rib plates matched with the two adjusting units are planes parallel to the bottom plate;
the felt is arranged on the upper surface of the arc support.
2. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 1, characterized in that:
the safety support comprises a base, a locking nut and an adjusting rod;
the rod body of the adjusting rod is sequentially matched with the locking nut and the base through threads from top to bottom;
the circumferential surface of the end part of the base is uniformly provided with safety angle ribs.
3. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 2, characterized in that:
the top of the adjusting rod is a hemispherical surface.
4. The adjustable auxiliary supporting device for large-scale solid rocket engine test according to any one of claims 1-3, wherein:
the adjusting device comprises a bidirectional threaded sleeve, a left-hand stud and a right-hand stud which are in threaded fit with the bidirectional threaded sleeve;
the circumferential surfaces of the end parts of the left-handed stud and the right-handed stud are uniformly provided with adjusting angle ribs.
5. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 4, characterized in that:
a plurality of U-shaped holes are formed in the side edge of the bottom plate.
6. The adjustable auxiliary supporting device for large-scale solid rocket engine test according to claim 5, wherein:
the bottom of the safety support is vertically welded on the bottom plate.
7. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 6, characterized in that:
the top of the adjusting device is welded on the arc support, and the bottom of the adjusting device is welded on the bottom plate.
8. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 7, characterized in that:
the central angle of the inner arc of the arc plate is 120 degrees.
9. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 8, characterized in that:
the rib plates are of a symmetrical structure and comprise seven plate surfaces which are sequentially connected.
10. The adjustable auxiliary support device for large-scale solid rocket engine tests according to claim 9, characterized in that:
the adjusting angle ribs and the supporting angle ribs are all right-angled triangles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220406182.2U CN217155846U (en) | 2022-02-28 | 2022-02-28 | Adjustable auxiliary supporting device for large-scale solid rocket engine test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220406182.2U CN217155846U (en) | 2022-02-28 | 2022-02-28 | Adjustable auxiliary supporting device for large-scale solid rocket engine test |
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| Publication Number | Publication Date |
|---|---|
| CN217155846U true CN217155846U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220406182.2U Active CN217155846U (en) | 2022-02-28 | 2022-02-28 | Adjustable auxiliary supporting device for large-scale solid rocket engine test |
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| Country | Link |
|---|---|
| CN (1) | CN217155846U (en) |
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- 2022-02-28 CN CN202220406182.2U patent/CN217155846U/en active Active
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