CN219925779U

CN219925779U - Support tool for disassembling and assembling gearbox

Info

Publication number: CN219925779U
Application number: CN202320734190.4U
Authority: CN
Inventors: 刘保侠; 拜禾; 刘超; 陈振国; 戚超; 王浩然; 吴田恒
Original assignee: China Oil and Gas Pipeline Network Corp; National Pipe Network Group North Pipeline Co Ltd
Current assignee: China Oil and Gas Pipeline Network Corp; National Pipe Network Group North Pipeline Co Ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-10-31
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to a supporting tool for disassembling and assembling a gear box, which comprises a carrier, a supporting frame and a height adjusting device, wherein a travelling mechanism is arranged at the lower end of the carrier, the supporting frame is arranged above the carrier, the height adjusting device is arranged at the upper end of the carrier and connected with the lower end of the supporting frame and used for adjusting the height of the supporting frame, two sides of the upper part of the supporting frame are respectively provided with a lateral supporting piece of the gear box, and one end of the upper part of the supporting frame is provided with a supporting piece of the end part of the gear box. The advantages are that: the structure design is simple and reasonable, the gearbox is simple and easy to carry, the disassembly and assembly of the gearbox are smooth, and the working efficiency is higher; the movable type gearbox is strong, the gearbox is convenient to integrally move out after being disassembled, and unsafe factors caused by manually lifting the gearbox are avoided; the positioning is accurate, and the support of the gear box is stable; the tool can be used for detaching the gear box from the combustion engine under the condition that the combustion engine is not detached from the box body, so that various fault problems of the gear box are rapidly and effectively solved.

Description

Support tool for disassembling and assembling gearbox

Technical Field

The utility model relates to a disassembly and assembly tool for a gearbox of a gas generator, in particular to a support tool for disassembly and assembly of a gearbox.

Background

There are many accessory systems and accessories on gas turbines that require the actuation of the gas generator rotor, such as lubricating pumps, scavenging pumps, hydraulic pump servovalves, etc. Other accessory systems and accessories of the device are used for driving the rotor of the gas turbine to rotate, such as a starter, a jigger device and the like. In order to achieve a transmission between the gas turbine rotor and these accessories, special transmissions, i.e. accessory transmissions also called gearbox assemblies, need to be provided.

In the running process of the fuel engine, if the gear box component fails, the whole fuel engine needs to be removed from the box body and is placed in a repair shop for repair, so that the maintenance cost is high and the maintenance period is long. In addition, in the operation process, the manual work is relied on only to the dismouting operation of gear box, but because the position of gear box installation is narrow and small to do not have dedicated gear box to support frock, lead to the workman to need look for the instrument that can use everywhere when the dismouting, provide the support to the gear box with the help of multiple instrument, thereby demolish the gear box, this kind of dismouting process is more loaded down with trivial details, and because the gear box itself has certain weight, the unsafe accident takes place relatively easily.

Based on the above, considering the inconvenience of the whole disassembly of the gas turbine, a supporting tool which is convenient for the disassembly of the gear box under the condition of not disassembling the whole gas turbine is specially developed.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a supporting tool for disassembling and assembling a gear box, and effectively overcomes the defects of the prior art.

The technical scheme for solving the technical problems is as follows:

the utility model provides a gear box dismouting is with supporting frock, includes carrier, support frame and height adjusting device, and above-mentioned carrier lower extreme is equipped with running gear, and above-mentioned support frame is arranged in above-mentioned carrier top, and above-mentioned height adjusting device installs in above-mentioned carrier upper end to be connected with above-mentioned support frame lower extreme for adjust the height of above-mentioned support frame, the both sides on above-mentioned support frame upper portion are equipped with gear box side support piece respectively, and the one end on above-mentioned support frame upper portion is equipped with gear box tip support piece.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the support frame comprises a mounting plate and a frame body which are respectively and horizontally arranged, the frame body is fixed at the upper end of the mounting plate, and the lower end of the mounting plate is connected with the height adjusting device.

Further, at least three sets of guide sleeves are arranged at the upper end of the carrier, at least three sets of guide rods corresponding to the guide sleeves one by one are arranged at the lower end of the mounting plate, and the lower ends of the guide rods are inserted into the corresponding guide sleeves and can move up and down relative to the guide sleeves.

Further, the height adjusting device is a hydraulic jack.

Further, a tightening piece for tightening the gear box is connected between two sides of the upper end of the support frame.

Further, the tightening piece is an elastic bandage, two sides of the upper end of the supporting frame are respectively provided with a plurality of hanging rings at intervals, two ends of the bandage are respectively provided with a hook, and the hooks at two ends of the bandage are respectively hung with any hanging ring at two sides of the supporting frame.

Further, the travelling mechanism comprises four groups of travelling wheels, and the four groups of travelling wheels are distributed at the lower end of the carrier at intervals.

Further, an armrest for the pusher to travel is provided at one end of the carrier.

Further, the gear box side support member includes a first positioning sleeve, a first positioning rod and a side end support seat, the first positioning sleeve is vertically fixed at the upper end of the support frame, the first positioning rod is vertically detachably inserted into the first positioning sleeve, the side end support seat is fixed at the upper end of the first positioning rod, the upper end surface of the side end support seat is set to be an inclined surface, a flexible first support pad is arranged on the inclined surface, and the upper end inclined surfaces of the side end support seats of the two gear box side support members are mutually close.

Further, the gear box end supporting piece comprises a second positioning sleeve, a second positioning rod and an end supporting seat, wherein the second positioning sleeve is vertically fixed at the upper end of the supporting frame, the second positioning rod is vertically and detachably inserted into the second positioning sleeve, the end supporting seat is fixed at the upper end of the second positioning rod, the upper end face of the end supporting seat is a plane, and a flexible second supporting pad is arranged at the upper end of the end supporting seat.

The beneficial effects of the utility model are as follows:

1) The structural design is simple and reasonable, and is simple and easy to carry;

2) The gear box is smooth to disassemble and assemble, and the working efficiency is higher;

3) The movable type gearbox is strong, the gearbox is convenient to integrally move out after being disassembled, and unsafe factors caused by manually lifting the gearbox are avoided;

4) The positioning is accurate, and the support of the gear box is stable;

5) The tool can be used for detaching the gear box from the combustion engine under the condition that the combustion engine is not detached from the box body, so that various fault problems of the gear box are rapidly and effectively solved.

Drawings

FIG. 1 is a side view of the structure of a support tooling for assembling and disassembling a gearbox of the present utility model;

FIG. 2 is a side view of the structure of the assembly of two lateral gearbox support members at the upper end of a support frame in the support tool for assembling and disassembling a gearbox of the utility model;

fig. 3 is a top view of the structure of the support tool for assembling and disassembling a gear box of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a carrier; 2. a support frame; 3. a height adjusting device; 4. a walking mechanism; 5. a gearbox side support; 6. a gearbox end support; 7. a tightening member; 11. a guide sleeve; 12. an armrest; 21. a mounting plate; 22. a frame body; 51. a first positioning sleeve; 52. a first positioning rod; 53. a side end supporting seat; 61. a second positioning sleeve; 62. a second positioning rod; 63. an end support base; 211. a guide rod.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

Examples: as shown in fig. 1, 2 and 3, the support tool for assembling and disassembling a gearbox in this embodiment includes a carrier 1, a support frame 2 and a height adjusting device 3, wherein a travelling mechanism 4 is disposed at the lower end of the carrier 1, the support frame 2 is disposed above the carrier 1, the height adjusting device 3 is mounted at the upper end of the carrier 1 and connected to the lower end of the support frame 2 for adjusting the height of the support frame 2, two sides of the upper portion of the support frame 2 are respectively provided with a lateral support member 5 of the gearbox, and one end of the upper portion of the support frame 2 is provided with a support member 6 of the gearbox end.

The use process is as follows:

the whole carrier 1 is moved to the lower part of the position of the gear box of the gas turbine by using the travelling mechanism 4, then the supporting frame 2 is lifted by the height adjusting device 3, so that two gear box side supporting pieces 5 are respectively supported on two sides of a shell circular arc section of the gear box, a gear box end supporting piece 6 is supported at the lower end of the end part of the gear box, then the gear box is manually operated to be disassembled, and meanwhile, the height of the gear box can be adjusted by reasonably operating the height adjusting device 3 to enable the gear box to be loosened relative to the gas turbine, and after the disassembly is completed, the gear box can be disassembled together by pulling out the whole tool. The whole tool is specially used for disassembling and assembling the gear box of the gas turbine, and the equipment can be used for independently disassembling the gear box to carry out maintenance work under the condition that the gas turbine is not disassembled.

In a preferred embodiment, the supporting frame 2 includes a mounting plate 21 and a frame 22 horizontally disposed, the frame 22 is fixed to an upper end of the mounting plate 21, and a lower end of the mounting plate 21 is connected to the height adjusting device 3.

In the above embodiment, the lower end of the supporting frame 2 is provided with the mounting plate 21, so that the supporting frame is convenient to be stably assembled and connected with the height adjusting device 3, and the upper end of the supporting frame adopts the hollowed-out frame body 22, so that the weight of the whole supporting frame 2 can be reduced, the structure of the supporting frame is lighter and more convenient to use.

Generally, the mounting plate 21 is designed as a rectangular plate, the frame 22 is designed as a hollowed-out rectangular frame, and the carrier 1 is also a rectangular seat.

As a preferred embodiment, at least three sets of guide sleeves 11 are disposed at the upper end of the carrier 1, at least three sets of guide rods 211 are disposed at the lower end of the mounting plate 21, the guide rods 211 are in one-to-one correspondence with the guide sleeves 11, and the lower ends of the guide rods 211 are inserted into the corresponding guide sleeves 11 and can move up and down with respect to the guide sleeves 11.

In the above embodiment, the lower end of the mounting plate 21 is inserted into the guide sleeve 11 corresponding to the upper end of the carrier 1 through the guide rod 211, so that when the height of the support frame 2 is adjusted by the height adjusting device 3, the support frame can only move up and down under the mutual constraint of the guide sleeve 11 and the guide rod 211, and no horizontal position deviation occurs, so that the support positioning of the gearbox is accurate.

In this embodiment, the height adjusting device 3 adopts a conventional hydraulic jack, specifically according to the actual use requirement; the adaptive model can be flexibly and reasonably selected, and the detailed description is omitted.

In this embodiment, the hydraulic jack may be a separate hydraulic jack, and the operation end of the separate hydraulic jack is outside the whole tool, that is, the telescopic height of the hydraulic jack is adjusted outside the tool.

As a preferred embodiment, a tightening member 7 for tightening the gear case is connected between both sides of the upper end of the support frame 2.

In the above embodiment, after the gear box is disassembled, the gear box is clamped at the upper end of the supporting frame 2 through the clamping piece 7, and then the gear box is matched with the support of the gear box side supporting piece 5 and the gear box end supporting piece 6, so that the gear box can be firmly fixed at the upper end of the tool.

In this embodiment, the tightening member 7 is an elastic bandage, two sides of the upper end of the support frame 2 are provided with a plurality of hanging rings at intervals, two ends of the bandage are provided with hooks, and the hooks at two ends of the bandage are respectively hung on any hanging ring at two sides of the support frame 2. When the tightening operation is carried out on the gear box, the bandage can be wound on the upper part of the gear box, and the two ends of the bandage are hung with any hanging rings distributed on the two sides of the upper end of the supporting frame 2 through the hanging hooks. Of course, multiple bandages may be used to achieve multi-directional tightening.

Of course, conventional inelastic straps may be used for the bandage.

In this embodiment, the travelling mechanism 4 includes four groups of travelling wheels, and the four groups of travelling wheels are distributed at intervals at the lower end of the carrier 1. The preferred carrier 1 designs to the pedestal of cuboid type, installs a set of walking wheel respectively in four right angles departments of carrier 1 lower extreme, and when moving, external force promotes the one end of frock, can make whole frock walk along ground or track.

As a preferred embodiment, the carrier 1 is provided at one end with a handrail 12 for a pusher to travel.

In the above embodiment, one end of the carrier 1 is generally located outside the combustion engine, so that the handrail 12 is designed at the end, and the whole tool can be driven to move by applying an external force to the handrail 12, which is very convenient.

Of course, the handrail 12 may be replaced by a hook attached to one end of the carrier 1, a rope may be tied to the hook, and the whole tool may be pulled out from the lower part of the gas turbine together with the gear box by using the rope.

As a preferred embodiment, as shown in fig. 2, the gear box side support 5 includes a first positioning sleeve 51, a first positioning rod 52 and a side end support 53, the first positioning sleeve 51 is vertically fixed to the upper end of the support frame 2, the first positioning rod 52 is vertically detachably inserted into the first positioning sleeve 51, the side end support 53 is fixed to the upper end of the first positioning rod 52, the upper end surface of the side end support 53 is provided with a slope, and the slope is provided with a flexible first support pad (the first support is capable of avoiding damage to the gear box surface), and the upper end slopes of the side end support 53 of the two gear box side supports 5 are close to each other.

In the above embodiment, the design height of the gear box side support 5 matches the shape of the gear box, and the inclined surfaces of the side end support seats 53 at the upper ends thereof can provide good support for the gear box from the outer sides of the lower parts of the two sides, and generally, the inclined surfaces of the upper ends of the side end support seats 53 at the upper ends of the two gear box side support 5 are close to each other and distributed in an eight shape. And then the gear box end support 6 is matched, so that the gear box is provided with three-point stable support.

In this embodiment, the first positioning sleeve 51 may be designed as a cylinder with a square section, the first positioning rod 52 is a square rod (with a cross-section shape), a plurality of first positioning through holes penetrating through two sides of the first positioning rod 52 are vertically spaced at the lower end of the first positioning rod 52, first insertion holes penetrating through two sides of the first positioning rod are formed in the side wall of the first positioning sleeve 51, the first positioning rod 52 can be lifted and lowered relative to the first positioning sleeve 51 until any one of the first positioning through holes is aligned with the first insertion holes, then the first positioning sleeve and the first positioning sleeve are locked by a bolt penetrating through the first insertion holes and the first positioning through holes, the height of the first positioning rod 52 relative to the first positioning sleeve 51 can be adjusted by the whole design, and the height of the first positioning rod and the first positioning sleeve cannot be relatively rotated, so that the height fine adjustment of the inclined plane (the supporting surface) at the upper end of the side end supporting seat 53 is realized as a whole, and the whole is more flexible.

As a preferred embodiment, the gearbox end support 6 includes a second positioning sleeve 61, a second positioning rod 62 and an end support 63, the second positioning sleeve 61 is vertically fixed at the upper end of the support frame 2, the second positioning rod 62 is vertically detachably inserted into the second positioning sleeve 61, the end support 63 is fixed at the upper end of the second positioning rod 62, the upper end surface of the end support 63 is a plane, and a flexible second support pad (the second support can avoid damaging the gearbox surface) is provided at the upper end thereof.

In the above embodiment, because of the particularity of the end shape of the gear case, the upper end of the gear case end support 6 is provided with a straight end support seat 63, which is adapted to the end shape of the gear case, to provide a stable supporting force of the gear case end.

In this embodiment, the second positioning sleeve 61 may be designed as a square cylinder with a square section, the second positioning rod 62 is a square rod (with a cross-sectional shape), a plurality of second positioning through holes penetrating through two sides of the second positioning rod 62 are vertically spaced at the lower end of the second positioning rod 62, second insertion holes penetrating through two sides of the second positioning sleeve are formed in the side wall of the second positioning sleeve 61, the second positioning rod 62 can be lifted and lowered relative to the second positioning sleeve 61 until any one of the second positioning through holes aligns with the second insertion hole, then, the second positioning sleeve and the second positioning sleeve are locked by a bolt penetrating through the second insertion hole and the second positioning through hole, the whole design can realize the height adjustment of the second positioning rod 62 relative to the second positioning sleeve 61, and the second positioning rod and the second positioning sleeve cannot rotate relatively, so that the height fine adjustment of the inclined plane (the supporting surface) at the upper end of the end supporting seat 63 is realized as a whole, and the second positioning sleeve is more flexible.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. Support tooling for disassembling and assembling a gear box, and is characterized in that: including carrier (1), support frame (2) and high adjusting device (3), carrier (1) lower extreme is equipped with running gear (4), support frame (2) set up in carrier (1) top, high adjusting device (3) install in carrier (1) upper end, and with support frame (2) lower extreme is connected, is used for adjusting the height of support frame (2), the both sides on support frame (2) upper portion are equipped with gear box side support piece (5) respectively, the one end on support frame (2) upper portion is equipped with gear box end support piece (6).

2. The support tool for assembling and disassembling a gear box according to claim 1, wherein: the support frame (2) comprises a mounting plate (21) and a frame body (22) which are respectively and horizontally arranged, the frame body (22) is fixed at the upper end of the mounting plate (21), and the lower end of the mounting plate (21) is connected with the height adjusting device (3).

3. The support tool for assembling and disassembling a gear box according to claim 2, wherein: the upper end of the carrier (1) is provided with at least three groups of guide sleeves (11), the lower end of the mounting plate (21) is provided with at least three groups of guide rods (211) which are in one-to-one correspondence with the guide sleeves (11), and the lower ends of the guide rods (211) are inserted into the corresponding guide sleeves (11) and can move up and down relative to the guide sleeves (11).

4. The support tool for assembling and disassembling a gear box according to claim 1, wherein: the height adjusting device (3) is a hydraulic jack.

5. The support tool for assembling and disassembling a gear box according to claim 1, wherein: a tightening piece (7) used for tightening the gear box is connected between the two sides of the upper end of the supporting frame (2).

6. The support tooling for assembling and disassembling a gear box according to claim 5, wherein: the tightening piece (7) is an elastic bandage, a plurality of hanging rings are respectively arranged at two sides of the upper end of the support frame (2) at intervals, hooks are respectively arranged at two ends of the bandage, and the hooks at two ends of the bandage are respectively hung with any hanging ring at two sides of the support frame (2).

7. The support tool for assembling and disassembling a gear box according to claim 1, wherein: the travelling mechanism (4) comprises four groups of travelling wheels, and the four groups of travelling wheels are distributed at intervals at the lower end of the carrier (1).

8. The support tool for assembling and disassembling a gear box according to claim 1, wherein: an armrest (12) for the pusher to walk is arranged at one end of the carrier (1).

9. The support tool for assembling and disassembling a gear box according to claim 1, wherein: the gearbox side support piece (5) comprises a first positioning sleeve (51), a first positioning rod (52) and side end support seats (53), wherein the first positioning sleeve (51) is vertically fixed at the upper end of the support frame (2), the first positioning rod (52) is vertically detachably inserted into the first positioning sleeve (51), the side end support seats (53) are fixed at the upper end of the first positioning rod (52), the upper end faces of the side end support seats (53) are provided with inclined planes, flexible first support pads are arranged on the inclined planes, and the upper end inclined planes of the side end support seats (53) of the gearbox side support piece (5) are mutually close.

10. The support tooling for assembling and disassembling a gear box according to claim 9, wherein: the gearbox end support (6) comprises a second positioning sleeve (61), a second positioning rod (62) and an end support seat (63), wherein the second positioning sleeve (61) is vertically fixed at the upper end of the support frame (2), the second positioning rod (62) is vertically detachably inserted into the second positioning sleeve (61), the end support seat (63) is fixed at the upper end of the second positioning rod (62), the upper end face of the end support seat (63) is a plane, and a flexible second support pad is arranged at the upper end of the end support seat.