CN218564344U

CN218564344U - Blower gear box

Info

Publication number: CN218564344U
Application number: CN202223090401.XU
Authority: CN
Inventors: 孙平; 徐敏
Original assignee: Nanjing Lide Transmission Technology Co ltd
Current assignee: Nanjing Lide Transmission Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-03
Anticipated expiration: 2032-11-22

Abstract

The utility model relates to a gear box technical field just discloses an air-blower gear box, including gear box body and breather pipe, the top swing joint of breather pipe has the overhead guard of ventilating, the top fixedly connected with connecting cylinder of gear box body, connecting cylinder and gear box body intercommunication, the outer anchor ring of connecting cylinder is provided with locating component. This air-blower gear box, through setting up locating component and runner assembly, when putting into the inner chamber of connecting cylinder from last to down with the bottom of breather pipe, the inner chamber of constant head tank can be got into simultaneously to three wedge one end in opposite directions, can accomplish the installation between connecting cylinder and the breather pipe, only need rotate the swivel becket when dismantling, make the drive ring move down promote the inner chamber of wedge and constant head tank break away from can, install between breather pipe and the gear box body and dismantle all comparatively simple swiftly, the dismouting work of giving the user provides very big convenience, moreover, the steam generator is simple in structure, reasonable layout, high practicability.

Description

Blower gear box

Technical Field

The utility model relates to a gear box technical field specifically is an air-blower gear box.

Background

The gear box has a wide application range, for example, in a wind turbine generator set, and its main function is to transmit the power generated by the wind wheel under the action of wind force to the generator and make it obtain a corresponding rotation speed, usually the rotation speed of the wind wheel is very low and far below the rotation speed required by the generator for generating electricity, which must be realized by the speed increasing action of the gear box gear pair, so the gear box is also called as a speed increasing box, the blower transfers the energy to the continuously flowing fluid by the power action of the blades on the rotating impeller or the device pushes the blades to rotate by the energy transferred by the fluid, and the gear box is an important mechanical component widely applied in the blower generator set.

Air-blower gear box is at the in-process of function, and because the part produces the heat when functioning and leads to the temperature higher in the gear box, easily produces the oil mist, consequently need use ventilation structure, installs through lock nut usually between gear box ventilation structure and the gear box fixedly, and operating procedure is loaded down with trivial details when leading to installing and dismantling ventilation structure to the screw volume is less, loses easily when the dismouting, causes inconvenience for the dismouting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air-blower gear box to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a blower gear box comprises a gear box body and a vent pipe, wherein the top of the vent pipe is movably connected with a vent top cover, the top of the gear box body is fixedly connected with a connecting cylinder, the connecting cylinder is communicated with the gear box body, a positioning assembly is arranged on the outer ring surface of the connecting cylinder, a positioning groove is formed in the bottom of the surface of the vent pipe, a rotating assembly is arranged on the surface of the vent pipe, a sealing assembly is arranged at the bottom of the vent pipe, and a disassembling assembly is arranged at the bottom of the vent top cover;

the positioning assembly comprises three wedge-shaped blocks which movably penetrate through the outer ring surface of the connecting cylinder, the three wedge-shaped blocks are distributed in an annular array mode, the outer ring surface of the connecting cylinder is fixedly connected with three L-shaped plates in an annular array mode, and the three L-shaped plates correspond to the three wedge-shaped blocks respectively in position.

Preferably, the inner side of the L-shaped plate is transversely and fixedly connected with a spring, and one end of the spring is fixedly connected with the wedge-shaped block.

Preferably, the bottom of the inner cavity of the L-shaped plate is provided with a limit groove, the inner cavity of the limit groove is in sliding connection with the bottom of the wedge-shaped block, and two side walls of the inner cavity of the limit groove are respectively attached to the bottoms of two sides of the wedge-shaped block.

The wedge moves in the inner cavity of the limiting groove, so that the limiting groove plays a limiting role in moving the wedge, and the wedge is prevented from shaking in the moving process to cause deviation.

Preferably, the positioning groove is annular, and the height of the positioning groove is matched with the heights of the three wedge-shaped blocks.

Preferably, the rotating assembly comprises a rotating ring which is in threaded connection with the surface of the vent pipe, and a driving ring is fixedly connected to the bottom of the rotating ring.

Preferably, the sealing assembly comprises a bottom ring fixedly connected to the bottom of the surface of the vent pipe, and a sealing ring is fixedly mounted at the bottom of the bottom ring.

Preferably, the disassembling component comprises lug plates fixedly connected to two sides of the bottom of the ventilation top cover, a screw penetrates through the lug plates in a threaded manner, threaded holes are formed in two sides of the surface of the ventilation pipe, one end of the screw penetrates through an inner cavity of each threaded hole and is in threaded connection with the threaded holes, and a knob is fixedly connected to the outer end of the screw.

On the one hand, the ventilation top cover can be positioned, the phenomenon that the ventilation top cover falls off to cause loss in use is avoided, on the other hand, the ventilation top cover is taken down, and then a user can conveniently check or replace parts inside the ventilation pipe.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

first, the utility model discloses a set up locating component and runner assembly, when putting into the inner chamber of connecting cylinder from last to down with the bottom of breather pipe, the inner chamber of constant head tank can be got into simultaneously to three wedge one end in opposite directions, can be to accomplishing the installation between connecting cylinder and the breather pipe, only need rotate the swivel becket when dismantling, make the drive ring move down promote the wedge break away from with the inner chamber of constant head tank can, install between breather pipe and the gear box body and dismantle all comparatively simple swiftly, the dismouting work of giving the user provides very big convenience, and compare in traditional lock nut, the condition that the part was lost can not appear, moreover, the steam generator is simple in structure, reasonable arrangement, high practicability.

Second, the utility model discloses a set up the dismantlement subassembly, can fix a position the overhead guard of ventilating, avoid in use to ventilate the overhead guard and appear dropping and cause the condition of losing, the user rotates two knobs, alright with will ventilate the overhead guard and take off, and then has made things convenient for the user to inspect or change the inside part of breather pipe, has further improved the practicality.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a split perspective view of the present invention;

fig. 3 is a perspective view of the connecting cylinder of the present invention.

Fig. 4 is a partial bottom perspective view of the present invention.

Fig. 5 is an enlarged view of point a in fig. 4 according to the present invention.

Wherein: 1. a gear case body; 2. a breather pipe; 3. a vented top cover; 4. a connecting cylinder; 5. a positioning assembly; 51. a wedge block; 52. an L-shaped plate; 53. a spring; 54. a limiting groove; 6. positioning a groove; 7. a rotating assembly; 71. a rotating ring; 72. a drive ring; 8. a seal assembly; 81. a bottom ring; 82. a seal ring; 9. disassembling the assembly; 91. an ear plate; 92. a screw; 93. a threaded hole; 94. a knob.

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.

Referring to fig. 1-5, a blower gear box comprises a gear box body 1 and a vent pipe 2, wherein the top of the vent pipe 2 is movably connected with a vent top cover 3, the top of the gear box body 1 is fixedly connected with a connecting cylinder 4, the connecting cylinder 4 is communicated with the gear box body 1, the outer ring surface of the connecting cylinder 4 is provided with a positioning assembly 5, the bottom of the surface of the vent pipe 2 is provided with a positioning groove 6, the surface of the vent pipe 2 is provided with a rotating assembly 7, the bottom of the vent pipe 2 is provided with a sealing assembly 8, and the bottom of the vent top cover 3 is provided with a dismounting assembly 9;

the positioning assembly 5 comprises three wedge-shaped blocks 51 movably penetrating through the outer annular surface of the connecting cylinder 4, the three wedge-shaped blocks 51 are distributed in an annular array, three L-shaped plates 52 are fixedly connected to the annular array of the outer annular surface of the connecting cylinder 4, and the positions of the three L-shaped plates 52 correspond to the positions of the three wedge-shaped blocks 51 respectively.

Specifically, a spring 53 is fixedly connected to the inner side of the L-shaped plate 52 in the transverse direction, and one end of the spring 53 is fixedly connected with the wedge block 51.

Through the technical scheme, when the wedge block 51 is pressed to move outwards, the spring 53 is in a compressed state, and after the force acting on the surface of the wedge block 51 disappears, the spring 53 drives the wedge block 51 to reset under the action of elastic force, so that the wedge block 51 is automatically reset.

Specifically, the bottom of the inner cavity of the L-shaped plate 52 is provided with a limiting groove 54, the inner cavity of the limiting groove 54 is slidably connected with the bottom of the wedge-shaped block 51, and two side walls of the inner cavity of the limiting groove 54 are respectively attached to the bottoms of two sides of the wedge-shaped block 51.

Through the technical scheme, the wedge block 51 moves in the inner cavity of the limiting groove 54, so that the limiting groove 54 plays a limiting role in the movement of the wedge block 51, the wedge block 51 is prevented from shaking in the moving process to cause deviation, and the stability of the wedge block 51 in the moving process is improved.

Specifically, the positioning groove 6 is annular, and the height of the positioning groove 6 is matched with the heights of the three wedge-shaped blocks 51.

Through above-mentioned technical scheme, 6 annular settings of constant head tank for need not to carry out the counterpoint operation to three wedge 51 in the installation, when breather pipe 2 was in any direction, under the annular setting of constant head tank 6, three wedge 51 still can carry out the inner chamber of constant head tank 6 simultaneously, has simplified the operation of installation, has improved the convenience of installation.

Specifically, the rotating assembly 7 includes a rotating ring 71 screwed to the surface of the snorkel 2, and a driving ring 72 is fixedly connected to the bottom of the rotating ring 71.

Through the technical scheme, the rotating ring 71 rotates under the action of the threads and simultaneously drives the driving ring 72 to move downwards, so that the bottom of the driving ring 72 is in contact with the inclined surfaces of the three wedge-shaped blocks 51, the three wedge-shaped blocks 51 can be simultaneously pushed to move outwards, the three wedge-shaped blocks 51 are driven to move simultaneously, and unlocking is facilitated.

Specifically, the sealing assembly 8 includes a bottom ring 81 fixedly connected to the bottom of the surface of the air pipe 2, and a sealing ring 82 is fixedly installed at the bottom of the bottom ring 81.

Through the technical scheme, when the three wedge-shaped blocks 51 enter the inner cavity of the positioning groove 6, the bottom ring 81 and the sealing ring 82 are tightly abutted to the bottom of the inner cavity of the connecting cylinder 4, so that the connecting cylinder 4 is communicated with the vent pipe 2, and the sealing performance between the connecting cylinder 4 and the vent pipe 2 is guaranteed.

Specifically, the disassembling component 9 includes the otic placode 91 of fixed connection in the top of ventilating 3 bottom both sides, and one side screw thread of otic placode 91 runs through has screw rod 92, and threaded hole 93 has all been seted up to the both sides on breather pipe 2 surface, and screw rod 92's one end run through to the inner chamber of threaded hole 93 and with threaded hole 93 threaded connection, screw rod 92's outer end fixedly connected with knob 94.

Through above-mentioned technical scheme, can fix a position ventilation hood 3 on the one hand, avoid in use ventilation hood 3 to appear dropping and cause the condition of losing, on the other hand will ventilate hood 3 and take off, and then still made things convenient for the user to inspect or change the part of breather pipe 2 inside, further improved the practicality.

When the connecting cylinder is used, when the bottom end of the vent pipe 2 is placed into the inner cavity of the connecting cylinder 4 from top to bottom, the inclined surfaces of the three wedge-shaped blocks 51 are in contact with the side edge of the bottom of the vent pipe 2, the inclined surfaces of the three wedge-shaped blocks 51 are pushed downwards, so that the wedge-shaped blocks 51 move outwards, the springs 53 are in a compressed state, until the vent pipe 2 drives the positioning grooves 6 to move to the horizontal position of the three wedge-shaped blocks 51, the springs 53 drive the wedge-shaped blocks 51 to reset under the action of elastic force, the opposite ends of the three wedge-shaped blocks 51 simultaneously enter the inner cavity of the positioning grooves 6, so that the installation between the connecting cylinder 4 and the vent pipe 2 can be completed, when the three wedge-shaped blocks 51 enter the inner cavities of the positioning grooves 6, the bottom rings 81 and the sealing rings 82 tightly abut against the bottom of the inner cavity of the connecting cylinder 4, the rotating rings 71 are rotated under the action of threads, and then the driving rings 72 are driven to move downwards, the bottom of the driving rings 72 is in contact with the inclined surfaces of the three wedge-shaped blocks 51, and the driving rings 72 continue to move downwards, namely, so that the three wedge-shaped blocks 51 can be simultaneously pushed to move outwards until the inner cavity of the connecting cylinder 4 is separated from the connecting cylinder 2.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 blower gear box, includes gear box body (1) and breather pipe (2), its characterized in that: the top of the breather pipe (2) is movably connected with a breather top cover (3), the top of the gear box body (1) is fixedly connected with a connecting cylinder (4), the connecting cylinder (4) is communicated with the gear box body (1), the outer ring surface of the connecting cylinder (4) is provided with a positioning component (5), the bottom of the surface of the breather pipe (2) is provided with a positioning groove (6), the surface of the breather pipe (2) is provided with a rotating component (7), the bottom of the breather pipe (2) is provided with a sealing component (8), and the bottom of the breather top cover (3) is provided with a dismounting component (9);

the positioning assembly (5) comprises three wedge-shaped blocks (51) movably penetrating through the outer annular surface of the connecting cylinder (4), the three wedge-shaped blocks (51) are distributed in an annular array, three L-shaped plates (52) are fixedly connected to the outer annular surface of the connecting cylinder (4) in an annular array mode, and the positions of the three L-shaped plates (52) correspond to the positions of the three wedge-shaped blocks (51) respectively.

2. A blower gearbox as set forth in claim 1 wherein: the inner side of the L-shaped plate (52) is transversely and fixedly connected with a spring (53), and one end of the spring (53) is fixedly connected with the wedge block (51).

3. A blower gearbox as set forth in claim 1 wherein: the bottom of the inner cavity of the L-shaped plate (52) is provided with a limiting groove (54), the inner cavity of the limiting groove (54) is in sliding connection with the bottom of the wedge-shaped block (51), and two side walls of the inner cavity of the limiting groove (54) are respectively attached to the bottoms of two sides of the wedge-shaped block (51).

4. A blower gearbox as set forth in claim 1 wherein: the positioning groove (6) is annular, and the height of the positioning groove (6) is matched with the height of the three wedge-shaped blocks (51).

5. A blower gearbox as set forth in claim 1 wherein: the rotating assembly (7) comprises a rotating ring (71) which is in threaded connection with the surface of the vent pipe (2), and a driving ring (72) is fixedly connected to the bottom of the rotating ring (71).

6. A blower gearbox as set forth in claim 1 wherein: seal assembly (8) are including bottom ring (81) of fixed connection in breather pipe (2) surface bottom, the bottom fixed mounting of bottom ring (81) has sealing washer (82).

7. A blower gearbox as set forth in claim 1 wherein: the detachable component (9) comprises lug plates (91) fixedly connected to two sides of the bottom of the ventilating top cover (3), a screw rod (92) penetrates through one side of each lug plate (91), threaded holes (93) are formed in two sides of the surface of the ventilating pipe (2), one end of the screw rod (92) penetrates through an inner cavity of each threaded hole (93) and is in threaded connection with the corresponding threaded hole (93), and a knob (94) is fixedly connected to the outer end of the screw rod (92).