Multifunctional plasma torch supporting device

Abstract

The utility model relates to a multifunctional plasma torch supporting device, which belongs to the technical field of aerodynamic thermal ground simulation tests of aerospace crafts and comprises a clamping screw, a clamping plate, a clamping sleeve, a lifting table, a guide rod, a guide plate, a rotary base, a supporting table, a lifting device and a locking device. The problems that space is insufficient, hoisting equipment needs to be used for hoisting operation, and multiple persons cooperate in the disassembly, assembly and maintenance process of plasma torch equipment are solved, the advantages of flexibility, reliability, safety, convenience, high universality and the like are achieved, the working efficiency is improved, and manpower and material resources are saved; in addition, the plasma torch supporting device can be suitable for supporting and fixing plasma torches of different sizes.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multifunctional plasma torch supporting device, belong to aerospace vehicle aerodynamic heat ground simulation test technical field. BACKGROUND

[0002] High-temperature high-speed airflow is generated by heating gas by plasma torch, simulating aerodynamic heating environment in flight process of vehicle, and ground test research is carried out on thermal protection material or structure of vehicle, which is important technical means for vehicle thermal protection research and design.

[0003] Plasma torch is assembled by multiple components, and its shape is mostly tubular and designed as inner and outer sleeve. The whole set of equipment is erected on test bench. During the whole heating test process of plasma torch, the thermal environment is poor, and there may be normal ablation and abnormal burning. According to actual working conditions, maintenance, repair, replacement and other work need to be carried out frequently, for example, plasma torch anode and cathode inner sleeve need to be replaced regularly. Some components of plasma torch also need to be replaced with different sizes according to different test requirements, such as nozzle and throat. In the case of connection between plasma torch and wind tunnel, the operation space is extremely small, and hoisting equipment and multiple people are needed. The existing installation and supporting mode of plasma torch is pipe clamp type support, and hoisting equipment and multiple people are needed for replacement, repair and installation. The installation precision of plasma torch is high, and the position of each component needs to be adjusted finely to ensure that there is no step between each component after installation. The time consumption is long and the efficiency is low during the whole installation and maintenance process. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of multifunctional plasma torch supporting device, overcome the deficiency of prior art, can carry out multidirectional adjustment, improve equipment installation precision, further reduce the step between each component, avoid equipment ablation during test process, prolong service life, adjustment clamping mechanism can also be applicable to other size components.

[0005] The technical scheme provided by the utility model is as follows:

[0006] The utility model provides a multifunctional plasma torch support device, characterized in that it comprises clamping screws, clamping plates, a clamping sleeve, a lifting platform, guide rods, guide plates, a rotating base, a support platform, a lifting device and a locking device, wherein the clamping sleeve is a cylindrical structure with open ends, a plurality of clamping plates are arranged on the inner wall of the cylindrical structure, and a plurality of clamping screws are arranged at positions corresponding to the clamping plates on the outer wall of the cylindrical structure; the clamping plates are forced to clamp the plasma torch placed in the cylindrical structure of the clamping sleeve by tightening the clamping screws; the clamping sleeve and the lifting platform are assembled through a track and can move horizontally; the guide rods are connected to the bottom of the lifting platform; the guide plates are connected to the rotating base, and the guide rods can move in the guide plates; the lifting device is arranged between the lifting platform and the rotating base to drive the lifting platform to move up and down; the rotating base is arranged on the support platform to drive the support device to rotate; and the locking device is arranged on the rotating base to lock and fix the support device when the support device is rotated to a required angle.

[0007] In the multifunctional plasma torch support device described above, the lifting device comprises an upper support rod, a lower support rod and a lifting sleeve, wherein the upper support rod is connected to the bottom of the lifting platform, the lower support rod is connected to the upper surface of the rotating base, and the upper support rod and the lower support rod are connected through the lifting sleeve.

[0008] In the multifunctional plasma torch support device described above, the upper support rod and the lower support rod are both threaded rods with reverse threads, and the inside of the lifting sleeve is provided with internal threads; and the outer shell of the lifting sleeve is hexagonal.

[0009] In the multifunctional plasma torch support device described above, the clamping plates are three in number and are uniformly arranged on the inner wall of the cylindrical structure of the clamping sleeve; and the surface of the clamping plates in contact with the plasma torch is curved.

[0010] In the multifunctional plasma torch support device described above, the clamping sleeve and the lifting platform are assembled through a convex track, i.e. the bottom of the clamping sleeve is slotted, the convex block of the lifting platform is arranged in the slot, and the clamping sleeve and the lifting platform can be completely separated through the track.

[0011] In the multifunctional plasma torch support device described above, the locking device comprises a pressing block and a locking screw, wherein a U-shaped groove is formed in the circumferential direction of the rotating base, the pressing block is arranged in the U-shaped groove, and the locking screw passes through the pressing block and the U-shaped groove and reaches the threaded hole in the support platform.

[0012] In the multifunctional plasma torch support device described above, it further comprises a convex bearing installed between the rotating base and the support platform, which comprises an outer sleeve and an inner sleeve, wherein the outer sleeve is embedded in the support platform, and the inner sleeve is embedded in the bottom surface of the rotating base.

[0013] In the multifunctional plasma torch support device described above, the diameter of the clamping plates can be adjusted in the range of ±30%.

[0014] In the multifunctional plasma torch supporting device, the lifting device is arranged at the center of the rotating base, the guide plates are two and are arranged in parallel on the rotating base and are located at the two sides of the lifting device, the guide plates are internally provided with holes, and the hole diameters are greater than the diameters of the guide rods.

[0015] In the multifunctional plasma torch supporting device, the supporting device bears 100 kg, the horizontal movable distance is 300 mm to 500 mm, and the lifting height is 50 mm to 200 mm.

[0016] Compared with the prior art, the utility model at least has the following beneficial effects:

[0017] (1), the utility model discloses a multifunctional plasma torch supporting device, including clamping screw, clamping plate, sleeve, lifting platform, guide rod, guide plate, rotating base, support platform, lifting device and locking device, solve the plasma torch equipment in the process of dismounting, overhaul, and need to use hoisting equipment hoisting operation, many people cooperate etc.

[0018] (2), the utility model discloses a multifunctional plasma torch supporting device, and the rotation in the horizontal direction of the device is realized through the rotating base, and when replacing and overhauling, the operation space is flexibly provided, the lifting device can not only realize the support and fixation of the whole plasma torch, but also realize the movement in the up-down direction, so that the mounting precision between the parts of the plasma torch is guaranteed, the clamping plate can also be used to clamp plasma torchs of different diameters by adjusting, and the applicability is better than that of the existing pipe clamp type support, so that the utility model has certain universality. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a disassembly structure schematic view of the plasma torch supporting device in the utility model embodiment.

[0020] Figure 2 It is an assembly drawing of the plasma torch supporting device in the utility model embodiment.

[0021] 1-clamping screw, 2-clamping plate, 3-sleeve, 4-lifting platform, 5-guide rod, 6-guide plate, 7-lower support rod, 8-rotating base, 9-convex bearing, 10-support platform, 11-pressing block, 12-locking screw rod, 13-lifting sleeve, 14-upper support rod. DETAILED DESCRIPTION

[0022] The utility model will be made further detailed description in combination with the drawings and specific implementation.

[0023] As Figure 1 , Figure 2 As shown in the embodiment, the multifunctional plasma torch supporting device comprises clamping screws 1, clamping plates 2, clamping sleeves 3, lifting tables 4, guide rods 5, guide plates 6, rotating bases 8, convex bearings 9, supporting tables 10, lifting devices and locking devices, wherein the lifting device comprises upper supporting rods 14, lower supporting rods 7 and lifting sleeves 13, and the locking device comprises pressing blocks 11 and locking screws 12.

[0024] The clamping sleeve 3 has a cylindrical structure with open ends, and in the embodiment, three clamping plates 2 are uniformly arranged on the inner wall surface of the cylindrical structure of the clamping sleeve 3, and three clamping screws 1 are arranged at positions corresponding to the clamping plates 2 on the outer wall surface of the cylindrical structure. By tightening the clamping screws 1, the clamping plates 2 are forced to clamp the plasma torch placed in the cylindrical structure of the clamping sleeve 3. Preferably, the surface of the clamping plate 2 in contact with the plasma torch is a curved surface, for example, a fan-shaped metal plate, which not only ensures the clamping strength but also is easy to operate. The clamping plate 2 is coaxial with the clamping sleeve 3 and the clamped plasma torch after clamping.

[0025] The clamping screws 1 are uniformly distributed in the circumferential direction of the clamping sleeve 3, and the number is not limited. The clamping screws 1, the clamping sleeve 3 and the clamping plates 2 are connected by threads. According to the length and size of the plasma torch component, the clamping screws 1 can be used in single or multiple groups in the axial direction. Preferably, the adjustable diameter range of the clamping plate 2 is plus or minus 30% of the diameter of the plasma torch, which can be used for clamping different plasma torches.

[0026] The clamping sleeve 3 and the lifting table 4 are assembled through a convex track, and both can move in the horizontal direction. That is, the bottom of the clamping sleeve 3 is slotted, and the convex block of the lifting table 4 is arranged in the slot. They can be completely separated through the track. When replacing plasma torch components of different shapes, different clamping sleeves 3 can be matched, and the lifting table 4 is also applicable.

[0027] The lifting device is arranged between the lifting table 4 and the rotating base 8, which drives the lifting table 4 to move up and down. The upper supporting rod 14 of the lifting device is connected with the bottom of the lifting table 4, and the lower supporting rod 7 is connected with the upper surface of the rotating base 8. The upper supporting rod 14 and the lower supporting rod 7 are connected through the lifting sleeve 13, and the lifting table 4 can move up and down when the lifting sleeve 13 is adjusted. Preferably, the upper supporting rod 14 and the lower supporting rod 7 are both threaded rods with reverse threads. The inside of the lifting sleeve 13 is provided with internal threads, and the shell of the lifting sleeve 13 is hexagonal. In the embodiment, the lifting device is arranged at the center position of the rotating base 8. The guide plates 6 are two and are arranged in parallel on the rotating base 8 and located on both sides of the lifting device. The guide plates 6 are internally holed, and the hole diameter is greater than the diameter of the guide rod 5. The guide rod 5 is connected with the bottom of the lifting table 4, and the guide plates 6 are welded and fixed with the rotating base 8. At the same time, the guide rod 5 can move in the guide plates 6.

[0028] A convex bearing 9 is installed between the rotating base 8 and the support table 10, and the convex bearing 9 comprises an outer sleeve and an inner sleeve, wherein the outer sleeve is embedded in the support table 10, and the inner sleeve is embedded in the bottom surface of the rotating base 8. When the rotating base 8 is rotated, the whole device can be rotated in the circumferential direction.

[0029] The locking device comprises a pressing block 11 and a locking screw 12. In this embodiment, a U-shaped groove of 180° is formed in the circumferential direction of the rotating base 8, the pressing block 11 is arranged in the U-shaped groove of the rotating base 8, and the locking screw 12 passes through the pressing block 11 and the U-shaped groove and is screwed into the threaded hole of the support table 10. The rotating base 8 can provide a suitable maintenance angle in the horizontal direction. Before the rotating base 8 is rotated, the locking screw 12 is loosened, and when the rotating base 8 is rotated to the required working angle, the locking screw 12 is tightened to fix the whole support device.

[0030] The support table 10 is made of glass fiber reinforced plastic to avoid the plasma torch from striking the ground. The support table 10 is provided with a threaded hole matched with the locking screw 12, and the position is arranged at the central position of the U-shaped groove of the rotating base 8.

[0031] The support device can bear 100 kg, and the horizontal movable distance is 300 mm to 500 mm, and the lifting height is 50 mm to 200 mm, which provides sufficient working space in terms of replacement and installation space.

[0032] When the whole plasma torch is installed, the clamping sleeve 3 of the utility model is sleeved on each component of the plasma torch, the clamping plate 2 clamps each component of the plasma torch, the lifting table 4 is connected and installed with the clamping sleeve 3 through the track, then the lifting sleeve 13 is adjusted so that each component of the plasma torch is coaxially installed, and the installation process is completed. According to the size of each component of the plasma torch, the utility model can be used alone or in groups; when the components of the plasma torch are replaced or maintained, the rotating base 8 of the utility model can be adjusted, the locking screw 12 is tightened when the rotating base 8 is adjusted to the working angle, the whole support device is fixed, and sufficient space is provided for operation; the clamping diameter of the clamping plate 2 can also be applicable to other diameter plasma torch components.

[0033] The utility model can realize horizontal adjustment of the whole device by arranging the rotating base 8, can realize up-down adjustment of the device by arranging the lifting sleeve 3, and can clamp components of different diameters by arranging the clamping plate 2. The whole device also realizes the support and fixation of the plasma torch. The utility model can solve the problems of time-consuming and limited space operation when installing, replacing and maintaining each component of the plasma torch by using hoisting equipment and multiple people, improve the work efficiency, and save manpower and material resources.

[0034] The above merely describes the best mode of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

[0035] The contents not described in detail in the present application specification belong to the common knowledge of the person skilled in the art.

Claims

1. A multi-functional plasma torch support apparatus, characterized by, The device comprises clamping screws (1), clamping plates (2), clamping sleeves (3), lifting platforms (4), guide rods (5), guide plates (6), rotating bases (8), support platforms (10), lifting devices and locking devices, wherein the clamping sleeves (3) are cylindrical structures with open ends, a plurality of clamping plates (2) are arranged on the inner wall of the cylindrical structure, a plurality of clamping screws (1) are arranged on the outer wall of the cylindrical structure at positions corresponding to the clamping plates (2), the clamping plates (2) are forced to clamp the plasma torch placed in the cylindrical structure of the clamping sleeve (3) by tightening the clamping screws (1), the clamping sleeve (3) is assembled with the lifting platform (4) through a track, and the two can move in the horizontal direction; the guide rod (5) is connected with the bottom of the lifting platform (4), the guide plate (6) is connected with the rotating base (8), the guide rod (5) can move in the guide plate (6) at the same time, the lifting device is arranged between the lifting platform (4) and the rotating base (8) to drive the lifting platform (4) to move up and down, the rotating base (8) is arranged on the support platform (10) to drive the support device to rotate, and the locking device is arranged on the rotating base (8) to lock and fix when the support device rotates to the required angle.

2. The multi-functional plasma torch support apparatus of claim 1, wherein, The lifting device comprises upper support rods (14), lower support rods (7) and lifting sleeves (13), wherein the upper support rods (14) are connected with the bottom of the lifting platform (4), the lower support rods (7) are connected with the upper surface of the rotating base (8), and the upper support rods (14) are connected with the lower support rods (7) through the lifting sleeves (13).

3. The multi-functional plasma torch support apparatus of claim 2, wherein, The upper support rods (14) and the lower support rods (7) are both threaded rods, and are reverse threads, the inside of the lifting sleeve (13) is provided with an internal thread, and the shell of the lifting sleeve (13) is hexagonal.

4. The multi-functional plasma torch support apparatus of claim 1, wherein, The clamping plates (2) are three, and are uniformly arranged on the inner wall of the cylindrical structure of the clamping sleeve (3), and the surface in contact with the plasma torch is a curved surface.

5. The multi-functional plasma torch support apparatus of claim 1, wherein, The clamping sleeve (3) is assembled with the lifting platform (4) through a convex track, that is, the bottom of the clamping sleeve (3) is grooved, the convex block of the lifting platform (4) is arranged in the groove, and the two can be completely separated through the track.

6. The multi-functional plasma torch support apparatus of claim 1, wherein, The locking device comprises pressing blocks (11) and locking screws (12), wherein a U-shaped groove is formed in the circumferential direction of the rotating base (8), the pressing block (11) is arranged on the U-shaped groove, and the locking screw (12) passes through the pressing block (11) and the U-shaped groove and reaches the threaded hole in the support platform (10).

7. The multi-functional plasma torch support apparatus of claim 1, wherein, A convex bearing (9) is further arranged between the rotating base (8) and the support platform (10), and comprises an outer sleeve and an inner sleeve, wherein the outer sleeve is embedded in the support platform (10), and the inner sleeve is embedded in the bottom surface of the rotating base (8).

8. The multi-functional plasma torch support apparatus of claim 1, wherein, The diameter of the clamping plate (2) can be adjusted by ±30%.

9. The multi-functional plasma torch support apparatus of claim 1, wherein, The lifting device is arranged at the center position of the rotating base (8), the guide plates (6) are two and are arranged in parallel on the rotating base (8) and are located on both sides of the lifting device, the guide plates (6) are internally holed, and the hole diameter is greater than the diameter of the guide rod (5).

10. The multi-functional plasma torch support apparatus of claim 1, wherein, The bearing capacity of the support device is 100 kg, the horizontal movable distance is 300 mm to 500 mm, and the lifting height is 50 mm to 200 mm.

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