CN219767251U

CN219767251U - Barrel internal support structure and barrel internal support device

Info

Publication number: CN219767251U
Application number: CN202321062531.4U
Authority: CN
Inventors: 王子豪; 吴永平; 常红坡
Original assignee: Kunshan Huaheng Cutting System Co ltd; Kunshan Huaheng Welding Co Ltd
Current assignee: Kunshan Huaheng Cutting System Co ltd; Kunshan Huaheng Welding Co Ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-09-29
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a cylinder internal supporting structure and a cylinder internal supporting device, wherein the cylinder internal supporting structure comprises a fixed disc, a plurality of supporting rods connected to the fixed disc and arranged in a sliding manner along the radial direction of the fixed disc, and a rotary table coaxially arranged with the fixed disc in a rotating manner, wherein a closed driving groove is formed in the rotary table, a driven part is arranged on one side, close to the rotary table, of each supporting rod in a protruding manner, and at least part of the driven part stretches into the driving groove so that the rotary table can drive the supporting rods to slide when rotating. When the inner supporting structure of the cylinder body stretches into the cylinder body, the rotary table can be rotated to drive the supporting rods to synchronously slide along the radial direction of the fixed disc, so that the supporting rods support the inner wall of the cylinder body to fix the cylinder body.

Description

Barrel internal support structure and barrel internal support device

Technical Field

The utility model relates to the field of welding equipment, in particular to a cylinder internal support structure and a cylinder internal support device.

Background

The storage box shell is one of important parts of the rocket booster, during actual production, when cylindrical parts such as the storage box shell are welded, the used clamping tool clamps the storage box shell in a manual mode, and the storage box shell is fixed in a mode of tightly pushing a mechanical bolt, so that two defects mainly exist in the mode: firstly, clamping deformation is easy to generate, and secondly, the clamping efficiency is low. When a large amount of storage box shells are required to be produced, the existing tool is difficult to meet the requirements.

Disclosure of Invention

The utility model aims to provide a cylinder inner support structure and a cylinder inner support device which are simple in manual operation and high in repeated positioning precision.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a barrel internal stay structure, includes the fixed disk, connects in the fixed disk and along a plurality of vaulting poles that fixed disk radial direction slided and set up, with the coaxial carousel that just rotates the setting of fixed disk, set up confined drive slot on the carousel, the vaulting pole is close to the protruding driven part that is provided with in one side of carousel, driven part at least part stretches into in the drive slot so that the carousel rotates and can drive the vaulting pole and slide.

As a further improvement of the utility model, the inner support structure further comprises a driving component for driving the turntable to rotate, the driving component comprises a driving part connected with the fixed disk and a telescopic rod driven by the driving part to stretch out and draw back, and the head part of the telescopic rod is rotationally connected with the turntable.

As a further improvement of the utility model, the driving part comprises a support rotatably connected with the fixed disc, a first bevel gear and a second bevel gear which are rotatably connected with the support and mutually matched, and an operation part which is connected with the first bevel gear to drive the first bevel gear to rotate, wherein the middle part of the second bevel gear is provided with a threaded hole coaxial with the second bevel gear, and the threaded hole is in threaded transmission connection with the telescopic rod.

As a further improvement of the utility model, the stay bar comprises a rod-shaped part and a supporting part connected with one end of the rod-shaped part, the fixed disc is provided with a sliding groove extending along the radial direction of the rod-shaped part corresponding to the rod-shaped part, and the rod-shaped part is at least partially arranged in the sliding groove in a sliding way.

As a further improvement of the utility model, the rod-shaped part comprises a rod body and a sliding block connected to one side of the rod body in the thickness direction, the sliding groove comprises a first sliding groove, the sliding block is in sliding fit with the first sliding groove, and the driven part is connected to one side of the sliding block, which is away from the rod body.

As a further improvement of the utility model, the first sliding groove is penetrated in the thickness direction of the fixed disc, the sliding block is provided with two limiting parts in a protruding manner from the side surface matched with the first sliding groove in a sliding manner, and the two limiting parts are respectively positioned at two sides of the thickness direction of the fixed disc.

As a further improvement of the utility model, the sliding groove further comprises a second sliding groove, and the rod body is in sliding connection with the second sliding groove.

As a further improvement of the utility model, the plurality of stay bars are arranged uniformly in the circumferential direction of the fixed disk, and the side surface of the support part facing away from the fixed disk is arc-shaped.

As a further improvement of the utility model, a plurality of clamping blocks are arranged on the fixed disc at positions close to the periphery of the turntable, clamping grooves are concavely formed in one side of the clamping blocks, facing the turntable, of the clamping blocks, and the periphery of the turntable is accommodated in the clamping grooves.

The utility model also provides a cylinder internal support device which comprises a bracket, a fixed shaft connected with the bracket and extending out of the bracket at least partially in length, and the cylinder internal support structure connected with the fixed shaft and extending out of the bracket.

The utility model has the beneficial effects that:

the utility model provides a cylinder inner supporting structure and a cylinder inner supporting device comprising the same, when the cylinder inner supporting structure stretches into a cylinder, a plurality of supporting rods can be driven to synchronously slide along the radial direction of a fixed disc by rotating a rotary disc, so that the plurality of supporting rods support the inner wall of the cylinder to fix the cylinder.

Drawings

FIG. 1 is a schematic diagram of a structure of a cylinder inner support device provided by the utility model;

FIG. 2 is a schematic view of the internal support structure of the cylinder in FIG. 1;

FIG. 3 is a schematic view of an exploded view of the internal support structure of the cartridge of FIG. 1;

fig. 4 is a schematic view of the drive assembly and a portion of the turntable of fig. 2.

FIG. 5 is a schematic view of the stay bar of FIG. 2;

FIG. 6 is a schematic view of the stay and a portion of the mounting plate of FIG. 2;

in the figure:

100. a cylinder internal supporting device;

10. an inner supporting structure of the cylinder body;

1. a fixed plate; 11. a first chute; 12. a second chute; 13. a clamping block;

2. a brace rod; 21. a driven part; 22. a rod-shaped part; 221. a rod body; 222. a slide block; 223. a limit part; 23. a support part;

3. a turntable; 31. a driving groove;

4. a drive assembly; 41. a driving section; 411. a support; 412. a first bevel gear; 413. a second bevel gear; 414. an operation unit; 42. a telescopic rod;

20. a bracket;

30. and a fixed shaft.

Detailed Description

The present utility model will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but all mechanical, method, or functional modifications of the utility model based on the embodiments are within the scope of the utility model.

Terms such as "upper," "lower," "left," "right," "front," "rear," and the like as used herein to refer to a spatial relative position are used for ease of description to describe one feature's relationship to another feature as illustrated in the figures. It will be appreciated that the term spatially relative position is intended to encompass different orientations than those depicted in the figures, depending on the product placement location, and should not be construed as limiting the claims. In addition, the term "horizontal" as used herein is not entirely equivalent to being oriented perpendicular to gravity, allowing for some degree of tilt.

As shown in fig. 1, the present embodiment provides a cylinder internal support device 100, which includes a support 20, a fixing shaft 30 is connected to the support 20, at least part of the length of the fixing shaft 30 extends out of the support 20, at least one cylinder internal support structure 10 is connected to the extending length of the fixing shaft 30, and the cylinder internal support structure 10 can support the inner wall of a cylindrical part (abbreviated as a cylinder) such as a rocket tank shell, so as to facilitate subsequent welding. The cylinder internal stay structure 10 is preferably provided in two, and one of the two cylinder internal stay structures 10 is fixedly connected to the fixed shaft 30, and the other is slidably provided in the axial direction of the fixed shaft 30, and a fixing structure that allows fixing of both is provided between the other and the fixed shaft 30. By such design, the manual work can adapt the cylinder inner supporting device 100 to cylinders with different lengths by adjusting the distance between the two cylinder inner supporting structures 10. The drum internal stay device 100 may further include rollers provided at the bottom of the stand 20 and rails engaged with the rollers to facilitate movement of the drum internal stay device 100.

As shown in fig. 2 and 3, the cylinder internal support structure 10 includes a fixed disk 1 and a turntable 3, the turntable 3 is connected to one side of the fixed disk 1 and is coaxially rotated with the fixed disk 1, the fixed disk 1 is connected with a plurality of support rods 2, the support rods 2 are slidably arranged along the radial direction of the fixed disk 1, a closed driving slot 31 is formed in the turntable 3, a driven part 21 is protruding from one side of the support rod 2 close to the turntable 3, and the driven part 21 at least partially stretches into the driving slot 31, so that when the turntable 3 rotates, the turntable 3 can drive the support rods 2 to slide through the guiding slot. When the cylinder supporting structure 10 is placed in the cylinder, the rotary table 3 is rotated, so that the plurality of supporting rods 2 can slide in the direction away from the axis of the fixed disc 1, the inner wall of the cylinder is supported, and the cylinder is reliably fixed. The driving grooves 31 are arc-shaped, and are arranged in the same number as the supporting rods 2 so as to be capable of driving the supporting rods 2 to slide synchronously.

The fixed disk 1 is provided with a plurality of clamping blocks 13 at positions close to the periphery of the turntable 3, one side of the clamping blocks 13 facing the fixed disk 1 is concavely provided with clamping grooves, and the periphery part of the turntable 3 is accommodated in the clamping grooves, so that the relative positions of the turntable 3 and the fixed disk 1 in the axial directions of the turntable and the fixed disk can be fixed.

Further, with continued reference to fig. 4, the inner support structure 10 further includes a driving component 4 for driving the turntable 3 to rotate, where the driving component 4 includes a driving portion 41 connected to the fixed disk 1, and a telescopic rod 42 driven by the driving portion 41 to stretch out and draw back, and the head of the telescopic rod 42 is rotatably connected to the turntable 3, and when the driving portion 41 drives the telescopic rod 42 to stretch out and draw back, the turntable 3 can be driven to rotate.

Specifically, the driving part 41 includes a support 411 rotatably connected to the fixed disk 1, a first bevel gear 412 and a second bevel gear 413 rotatably connected to the support 411 and meshed with each other, axes of the first bevel gear 412 and the second bevel gear 413 are relatively and vertically arranged, the driving part 41 further includes an operation part 414 connected to the first bevel gear 412, the manually operable operation part 414 drives the first bevel gear 412 to rotate and drives the second bevel gear 413 to rotate, a threaded hole coaxial with the second bevel gear 413 is provided in the middle part of the second bevel gear 413, threads matched with the threaded hole are provided on the outer circumference of the telescopic rod 42, and the threaded hole is in threaded transmission connection with the telescopic rod 42, so that when the second bevel gear rotates, the telescopic rod 42 can be driven to stretch in a threaded transmission manner.

In this embodiment, the operation portion 414 may extend from a side of the fixed disk 1 where the driving portion 41 is disposed in the thickness direction to a side of the fixed disk 1 where the driving portion 41 is away from the thickness direction, and the side of the operation portion 414 may be provided with two relatively parallel planes, so as to facilitate manual driving of the rotation thereof by using tools such as a wrench. When two cylinder internal support structures 10 are provided, the driving part 41 should be arranged on one side of the corresponding cylinder internal support structure 10 close to the other cylinder internal support structure 10, and the operation part 414 extends to one side of the two cylinder internal support structures 10 far away from each other, so that when the two cylinder internal support structures 10 extend into the cylinders, the operation part 414 is operated manually by using a wrench.

Referring to fig. 5 and 6, the stay 2 includes a rod portion 22 and a supporting portion 23 connected to one side of the rod portion 22, the supporting portion 23 is configured to contact with the inner wall of the cylinder to support the inner wall of the cylinder, the fixing plate 1 is provided with a sliding groove extending in a radial direction thereof corresponding to the rod portion 22, and the rod portion 22 is at least partially slidably disposed in the sliding groove to enable the stay 2 to slide in the radial direction of the fixing plate 1.

Specifically, the rod-shaped portion 22 includes a rod body 221 and a sliding block 222 connected to one side of the rod body 221 in the thickness direction, the sliding groove includes a first sliding groove 11 and a second sliding groove 12, the sliding block 222 is slidably matched with the first sliding groove 11, the driven portion 21 is located on one side of the sliding block 222 away from the rod body 221, and extends into the guiding groove located on one side of the fixed disc 1. The second sliding groove 12 is formed by surrounding a plurality of side walls, and in order to enable the stay bar 2 to slide along the radial direction of the fixed disc 1 more reliably, in this embodiment, a rod 221 is inserted into the second sliding groove 12 and is connected with the second sliding groove 12 in a sliding manner.

The first chute 11 is penetrated in the thickness direction of the fixed disk 1, the sliding block 222 is provided with two limiting parts 223 protruding from the side surface matched with the first chute 11 in a sliding manner, and the two limiting parts 223 are respectively positioned at two sides of the thickness direction of the fixed disk 1, so that the sliding block 222 is prevented from being separated from the first chute 11.

In this embodiment, the plurality of supporting rods 2 are uniformly arranged in the circumferential direction of the fixed disk 1, the side surface of the supporting portion 23 facing away from the fixed disk 1 is arc-shaped, and the arc-shaped side surface is matched with the arc-shaped side surface of the inner side wall of the cylinder, so that the plurality of supporting rods 2 can uniformly support the inner wall of the cylinder.

In summary, the present utility model provides a cylinder inner supporting structure 10 and a cylinder inner supporting device 100 including the same, wherein when the cylinder inner supporting structure 10 extends into a cylinder, a plurality of supporting rods 2 can be driven to synchronously slide along a radial direction of a fixed disc 1 by rotating a turntable 3, so that the plurality of supporting rods 2 support an inner wall of the cylinder to fix the cylinder.

It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a barrel internal stay structure, its characterized in that includes the fixed disk, connects in the fixed disk and along a plurality of vaulting poles that fixed disk radial direction slided and set up, with the carousel of fixed disk coaxial rotation setting, set up confined drive slot on the carousel, the vaulting pole is close to the protruding driven part that is provided with in one side of carousel, driven part at least part stretches into in the drive slot so that the carousel rotates and can drive the vaulting pole and slide.

2. The drum internal stay structure according to claim 1, further comprising a driving assembly for driving the turntable to rotate, the driving assembly including a driving part connected to the fixed disk, a telescopic rod driven to be telescopic by the driving part, and a head part of the telescopic rod rotatably connected to the turntable.

3. The cylinder inner support structure according to claim 2, wherein the driving part comprises a support rotatably connected to a fixed disc, a first bevel gear and a second bevel gear which are rotatably connected to the support and meshed with each other, and an operation part connected with the first bevel gear to drive the first bevel gear to rotate, wherein a threaded hole coaxial with the second bevel gear is arranged in the middle of the second bevel gear, and the threaded hole is in threaded transmission connection with the telescopic rod.

4. The cylinder inner supporting structure according to claim 1, wherein the supporting rod comprises a rod-shaped portion and a supporting portion connected to one end of the rod-shaped portion, the fixing plate is provided with a sliding groove extending along the radial direction of the rod-shaped portion corresponding to the rod-shaped portion, and the rod-shaped portion is at least partially arranged in the sliding groove in a sliding manner.

5. The cylinder internal stay structure according to claim 4, wherein the rod-shaped portion includes a rod body and a slider connected to one side of the rod body in a thickness direction, the slider includes a first slider groove, the slider is slidably engaged with the first slider groove, and the driven portion is connected to one side of the slider facing away from the rod body.

6. The cylinder inner supporting structure according to claim 5, wherein the first sliding groove is formed through the fixing disc in the thickness direction, the sliding block is provided with two limiting portions protruding from the side surface of the sliding block, which is in sliding fit with the first sliding groove, and the two limiting portions are located on two sides of the fixing disc in the thickness direction respectively.

7. The cartridge internal stay structure according to claim 5, wherein the slide groove further includes a second slide groove, and the rod body is slidably connected to the second slide groove.

8. The cylinder inner support structure according to claim 4, wherein the plurality of stay bars are arranged in a uniform arrangement in a circumferential direction of the fixed disk, and a side surface of the support portion facing away from the fixed disk is arc-shaped.

9. The cylinder internal stay knot according to claim 1, wherein a plurality of clamping blocks are arranged on the fixed disc at positions close to the periphery of the rotary disc, clamping grooves are concavely formed in one side, facing the rotary disc, of the clamping blocks, and the periphery of the rotary disc is accommodated in the clamping grooves.

10. A cylinder internal stay device comprising a bracket, a fixed shaft connected to the bracket and extending at least partially beyond the bracket, at least one cylinder internal stay structure according to any one of claims 1 to 9 connected to the fixed shaft extending beyond the bracket.