CN218646203U

CN218646203U - Solid rocket engine spouts pipe wall thickness measuring device

Info

Publication number: CN218646203U
Application number: CN202222773775.5U
Authority: CN
Inventors: 阎明江; 杜洋; 庞锦辉; 杜建宏; 王丹
Original assignee: Shaanxi Bai Xun Arrow Aerospace Science And Technology Co ltd
Current assignee: Shaanxi Bai Xun Arrow Aerospace Science And Technology Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-17
Anticipated expiration: 2032-10-21

Abstract

The utility model belongs to the technical field of pipe wall measurement, especially, be a solid rocket engine spouts pipe wall thickness measuring device, including transporting the base, it has 20866; "type mount to transport base top middle part welding, it all installs the universal wheel to transport base bottom four corners department, it has hydraulic push rod to transport 20866;" type mount top middle part mounting, hydraulic push rod installs the direction slide bottom, the direction slide both ends all weld first v '21274 type fixed plate, the middle part is installed with first transmission screw in the first v' 21274type fixed plate, first transmission screw one end is connected with first transmission motor. Through with two measuring roller respectively with engine spray tube inner wall and outer wall contact to use the dipperstick to measure two intervals of measuring between the roller, can learn the tube wall thickness of engine spray tube, reduced the measurement degree of difficulty of engine spray tube wall thickness, the staff of being convenient for is to the use of device.

Description

Solid rocket engine spouts pipe wall thickness measuring device

Technical Field

The utility model belongs to the technical field of the pipe wall is measured, concretely relates to solid rocket engine spouts pipe wall thickness measuring device.

Background

Solid rocket engines are chemical rocket engines that use solid propellants. The solid propellant is ignited and then burnt in the combustion chamber, and chemical energy is converted into heat energy to produce high-temperature and high-pressure combustion products. The combustion products flow through the nozzle where they expand and accelerate, and the thermal energy is converted to kinetic energy and expelled from the nozzle at high velocity to produce thrust.

In solid rocket engine production process, need measure spout pipe wall thickness, conventional measuring method does, uses the micrometer to carry out the direct measurement to spray tube edge part, and nevertheless this mode can't be measured the regional thickness in spray tube middle part, and measuring effect is relatively poor, for this reason, the utility model provides a solid rocket engine spouts pipe wall thickness measuring device.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a solid rocket engine spouts thick measuring device of pipe has characteristics that easy to use and measuring performance are good.

In order to achieve the above object, the utility model provides a following technical scheme: a wall thickness measuring device for a spraying pipe of a solid rocket engine comprises a transfer base, wherein a 20866a type fixing frame is welded in the middle of the top end of the transfer base, universal wheels are mounted at four corners of the bottom end of the transfer base, a hydraulic push rod is mounted in the middle of the top end of the 20866a type fixing frame, a guide sliding plate is mounted at the bottom end of the hydraulic push rod, first v-21274type fixing plates are welded at two ends of each guide sliding plate, a first transmission screw rod is mounted in the middle of each first v-21274type fixing plate, one end of each first transmission screw rod is connected with a first transmission motor, a first v-21274type fixing plate is provided with a first accommodating groove at one side edge part, a first limiting sliding hole is formed in the middle part of one end of the inner wall of the first accommodating groove, a first extending plate is mounted in the first accommodating groove, and a first transmission block is arranged at one end part of the first extending plate;

a second 21274fixed plate is welded on one side of the first extension plate, a second transmission screw is arranged in the middle of the second 21274fixed plate, one end of the second transmission screw is connected with a second transmission motor, a second storage groove is formed in the edge of one end of the second 21274fixed plate, a second limiting slide hole is formed in the middle of one side of the inner wall of the second storage groove, a second extension plate is arranged in the second storage groove, a second transmission block is arranged on the edge of one side of the second extension plate, a measuring roller is arranged in the middle of one end of the second extension plate, the 20866is welded in the middle of one side of the 20866208, a measuring scale is stored in the storage box.

As the utility model discloses a preferred technical scheme of solid rocket engine spray pipe wall thickness measuring device, transport base top one side and install the balancing weight.

As the utility model discloses a preferred technical scheme of solid rocket engine spout pipe wall thickness measuring device, 20866the direction slide opening has all been seted up at type mount inner wall both ends middle part, the inner wall width of direction slide opening is the same with the thickness of direction slide plate, the length of direction slide plate is the same with the width of type mount of 20866, the direction slide is penetrated to inside the direction slide opening and has been had the direction slide.

As the utility model discloses a preferred technical scheme of solid rocket engine spout pipe wall thickness measuring device, the longitudinal section size of holding the groove and the longitudinal section size of an extension board are the same No. one, the inner wall width of a spacing slide opening is the same with the width of a driving block, a driving screw has been seted up to a driving block one side limit portion, a driving screw is inside to run through there is first drive screw.

As the utility model discloses a solid rocket engine spouts the preferred technical scheme of wall thickness measuring device, U type draw-in groove has been seted up at extension board one side middle part, the longitudinal section size of U type draw-in groove is the same with the longitudinal section size of No. two driving blocks.

As the utility model discloses a preferred technical scheme of solid rocket engine spray pipe wall thickness measuring device, the longitudinal section size of No. two accomodating grooves is the same with the longitudinal section size of No. two extension boards, the inner wall width of No. two spacing slide openings is the same with the width of No. two drive blocks, no. two drive block one end limit portion has seted up No. two transmission screws, no. two inside running through of transmission screw has second drive screw.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses when using, use through hydraulic push rod, can highly adjust the use of measuring the gyro wheel, use through first driving motor, can vertically adjust the position of measuring the gyro wheel, use through second driving motor, can transversely adjust the position of measuring the gyro wheel, the device of being convenient for is to the not regional measurement of spray tube inner wall, be favorable to improving measurement performance, through with two measuring gyro wheels respectively with engine spray tube inner wall and outer wall contact, and use the dipperstick to measure two intervals of measuring between the gyro wheel, can learn the tube wall thickness of engine spray tube, the measurement degree of difficulty of engine spray tube wall thickness has been reduced, the staff of being convenient for is to the use of device.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the mounting structure of the second driving screw according to the present invention;

fig. 4 is an installation exploded view of the first extension plate of the present invention.

In the figure: 1. a transfer base; 2. 20866a type fixing frame; 3. a guide slide hole; 4. a hydraulic push rod; 5. a guide slide plate; 6. a first fixing plate of type 21274; 7. a first receiving slot; 8. a first limiting slide hole; 9. a first drive screw; 10. a first drive motor; 11. a first extension plate; 12. a first transmission block; 13. a U-shaped clamping groove; 14. a second, type 21274; 15. a second receiving groove; 16. a second limiting slide hole; 17. a second drive screw; 18. a second drive motor; 19. a second extension plate; 20. a second transmission block; 21. measuring a roller; 22. a storage box; 23. measuring a scale; 24. a counterweight block; 25. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a solid rocket engine spraying pipe wall thickness measuring device comprises a transferring base 1, wherein 20866is welded in the middle of the top end of the transferring base 1, a type fixing frame 2 is provided, a balancing weight 24 is installed on one side of the top end of the transferring base 1, the stability of the device can be improved, universal wheels 25 are installed at four corners of the bottom end of the transferring base 1, 20866A hydraulic push rod 4 is installed in the middle of the top end of the type fixing frame 2, a guide sliding plate 5 is installed at the bottom end of the hydraulic push rod 4, a first 21274type fixing plate 6 is welded at two ends of the guide sliding plate 5, a first transmission screw 9 is installed in the middle of the first 21274type fixing plate 6, one end of the first transmission screw 9 is connected with a first motor 10, a first containing groove 7 is formed in one side edge of the first 212746, a first limiting sliding hole 8 is formed in the middle of one end of the inner wall of the first containing groove 7, a first extension plate 11 is installed in the first containing groove 7, and a first extension plate 12 is arranged in the edge of one end of the first extension plate 11;

a second 2127414 type fixing plate 14 is welded on one side of the first extending plate 11, a second transmission screw 17 is installed in the middle of the inner portion of the second 2127414, one end of the second transmission screw 17 is connected with a second transmission motor 18, a second accommodating groove 15 is formed in the edge of one end of the second 2127414, a second limiting slide hole 16 is formed in the middle of one side of the inner wall of the second accommodating groove 15, a second extending plate 19 is installed in the second accommodating groove 15, a second transmission block 20 is arranged on the edge of one side of the second extending plate 19, a U-shaped clamping groove 13 is formed in the middle of one side of the first extending plate 11, the longitudinal section size of the U-shaped clamping groove 13 is the same as that of the second transmission block 20, the second transmission block 20 can be conveniently moved and used, a measuring roller 21 and a 20866are installed in the middle of one end of the second extending plate 19, a storage box 22 is welded in the middle of one side of the type fixing frame 2, and a measuring scale 23 is stored in the storage box 22.

20866;, the middle parts of the two ends of the inner wall of the type fixing frame 2 are all provided with a guide sliding hole 3, the width of the inner wall of the guide sliding hole 3 is the same as the thickness of the guide sliding plate 5, the length of the guide sliding plate 5 is the same as that of 20866;, the width of the type fixing frame 2 is the same, and the guide sliding plate 5 penetrates through the inside of the guide sliding hole 3, so that the movement of the guide sliding plate 5 can be limited, and the guide sliding plate 5 can be conveniently used.

The longitudinal section size of accomodating groove 7 is the same with the longitudinal section size of an extension board 11, the inner wall width of a spacing slide opening 8 is the same with the width of a transmission piece 12, a transmission screw has been seted up to a transmission piece 12 side limit portion, it has first drive screw 9 to run through inside the transmission screw, the regulation of the extension board 11 position of use of being convenient for, it is the same with the longitudinal section size of No. two extension boards 19 to accomodate the longitudinal section size of groove 15 No. two, the inner wall width of No. two spacing slide openings 16 is the same with the width of No. two transmission pieces 20, no. two transmission screws have been seted up to No. two transmission piece 20 side limit portions, it has second drive screw 17 to run through inside the transmission screw, the regulation of the extension board 19 position of use of being convenient for No. two.

The utility model discloses a theory of operation and use flow: the working personnel adjust the position of the device, so that one first 21274type fixing plate 6 is positioned inside the engine spray pipe, the other first 212746 is positioned outside the engine spray pipe, then the working personnel start the hydraulic push rod 4, adjust the use height of the measuring roller 21 and adjust the position of the device again, so that the universal wheel 25 and the monitoring point are in an aligned state, then the working personnel start the two second transmission motors 18, the second transmission motors 18 work to drive the second transmission screw 17 to rotate, the second transmission screw 17 rotates to drive the second transmission block 20 to move, the second extension plate 19 and the measuring roller 21 synchronously move along with the second transmission block 20, when the two measuring rollers 21 respectively contact the inner wall and the outer wall of the engine spray pipe, the working personnel close the second transmission motors 18 and slowly move the device to enable the measuring roller 21 to be separated from the engine spray pipe, then the working personnel take out the measuring scale 23 from the inside the storage box 22 to measure the distance between the two measuring rollers 21, and accordingly the pipe wall thickness of the engine spray pipe can be known;

when the wall thickness of a deeper part of an engine spray pipe needs to be measured, a worker starts the first drive motor 10, the first drive motor 10 works to drive the first drive screw 9 to rotate, the first drive screw 9 rotates to drive the first drive block 12 to move, and the first extension plate 11 and the second 21274type fixing plate 14 synchronously move along with the first drive block 12, so that the working distance of the measuring roller 21 can be adjusted, and the measuring performance of the device is improved favorably.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a solid rocket engine nozzle wall thickness measuring device, includes transportation base (1), its characterized in that: the middle part of the top end of the transferring base (1) is welded with a 20866and a type fixing frame (2), four corners of the bottom end of the transferring base (1) are respectively provided with a universal wheel (25), 20866and the middle part of the top end of the type fixing frame (2) are provided with a hydraulic push rod (4), the bottom end of the hydraulic push rod (4) is provided with a guide sliding plate (5), two ends of the guide sliding plate (5) are respectively welded with a first 21274type fixing plate (6), the middle part in the first 21274type fixing plate (6) is provided with a first transmission screw rod (9), one end of the first transmission screw rod (9) is connected with a first transmission motor (10), one side part of the first 21274type fixing plate (6) is provided with a first accommodating groove (7), the middle part of one end of the inner wall of the first accommodating groove (7) is provided with a first limiting slide hole (8), a first extension plate (11) is arranged in the first accommodating groove (7), and one end part of the first extension plate (11) is provided with a first transmission block (12);

a second 21274type fixing plate (14) is welded on one side of the first extending plate (11), a second transmission screw (17) is installed in the middle of the second 2127414, one end of the second transmission screw (17) is connected with a second transmission motor (18), a second accommodating groove (15) is formed in the edge of one end of the second 2127414, a second limiting slide hole (16) is formed in the middle of one side of the inner wall of the second accommodating groove (15), a second extending plate (19) is installed in the second accommodating groove (15), a second transmission block (20) is arranged on the edge of one side of the second extending plate (19), a measuring roller (21) is installed in the middle of one end of the second extending plate (19), a storage box (22) is welded in the middle of one side of the 2086620866) and a measuring scale (23) is stored in the storage box (22).

2. The solid-rocket engine nozzle wall thickness measuring device according to claim 1, wherein: a balancing weight (24) is installed on one side of the top end of the transferring base (1).

3. The solid-rocket engine nozzle wall thickness measuring device according to claim 1, wherein: 20866the middle parts of the two ends of the inner wall of the type fixing frame (2) are provided with guide slide holes (3), the width of the inner wall of each guide slide hole (3) is the same as the thickness of the guide slide plate (5), the length of each guide slide plate (5) is the same as the width of the type fixing frame (2), and the guide slide plates (5) penetrate through the inner parts of the guide slide holes (3).

4. The solid-rocket engine nozzle wall thickness measuring device according to claim 1, wherein: a longitudinal section size of accomodating groove (7) is the same with the longitudinal section size of an extension board (11), the inner wall width of a spacing slide opening (8) is the same with the width of a transmission piece (12), a transmission screw has been seted up to a transmission piece (12) one side limit portion, a transmission screw is inside to run through has first drive screw (9).

5. The device for measuring the nozzle wall thickness of a solid rocket engine according to claim 1, wherein: u type draw-in groove (13) have been seted up to extension board (11) one side middle part, the longitudinal section size of U type draw-in groove (13) is the same with the longitudinal section size of No. two transmission blocks (20).

6. The solid-rocket engine nozzle wall thickness measuring device according to claim 1, wherein: no. two longitudinal section sizes of accomodating groove (15) are the same with the longitudinal section size of No. two extension boards (19), the inner wall width of No. two spacing slide opening (16) is the same with the width of No. two transmission block (20), no. two transmission screw holes have been seted up to No. two transmission block (20) one end limit portion, no. two transmission screw holes are inside to run through to have second drive screw (17).