CN213598544U

CN213598544U - Gear transmission labor-saving device for manual barring gear

Info

Publication number: CN213598544U
Application number: CN202022781533.1U
Authority: CN
Inventors: 杨龙; 张健; 李欣; 汤鱼
Original assignee: 703th Research Institute of CSIC
Current assignee: 703th Research Institute of CSIC
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-02
Anticipated expiration: 2030-11-25

Abstract

A gear transmission labor-saving device for a manual barring gear relates to a gear transmission labor-saving device, in particular to a gear transmission labor-saving device for a manual barring gear. The utility model discloses a solve because the general velocity ratio of barring device is great, and shafting rotor quality is great, manual barring is hard and consuming time, the great problem of workman's actual work burden. The utility model comprises a bottom cover, a big gear, an idler wheel, a first shaft, a small gear and a second shaft; the bull gear, the first shaft and the second shaft are sequentially arranged on the bottom cover from left to right, the bull gear is rotationally connected with the bottom cover, the idler gear is sleeved on the first shaft, the pinion gear is sleeved on the second shaft, the bull gear is meshed with the idler gear, and the idler gear is meshed with the pinion gear. The utility model belongs to the field of machinery.

Description

Gear transmission labor-saving device for manual barring gear

Technical Field

The utility model relates to a gear drive laborsaving device, concretely relates to gear drive laborsaving device for manual barring belongs to machinery.

Background

At present, the domestic power transmission modes mainly comprise transmission modes such as steam power transmission, gas turbine power transmission, diesel engine power transmission and the like. The preheating of a steam turbine, the heat dissipation of the low-speed operation after the operation and the daily maintenance in the steam power transmission all need to be intervened by a barring gear, and the barring gear is widely applied as installation and debugging equipment in other power transmissions. At present, the domestic barring device has three types, namely a full-automatic barring device, a semi-automatic electric barring device and a manual barring device, but the three types of barring devices all have the manual barring function, and the current domestic manual barring device is generally provided with a hand wheel behind a motor or is used for manually barring by using a labor-saving connecting rod. Because the general velocity ratio of barring device is great, and shafting rotor quality is great, manual barring is hard and consuming time, in order to alleviate operation workman's actual work burden, the practical novel laborsaving manual barring device of this kind.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve because the general velocity ratio of barring device is great, and shafting rotor quality is great, manual barring is hard and consuming time, the great problem of workman's actual work burden, and then provides a gear drive laborsaving device for manual barring.

The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be: the utility model comprises a bottom cover, a big gear, an idler wheel, a first shaft, a small gear and a second shaft;

the bull gear, the first shaft and the second shaft are sequentially arranged on the bottom cover from left to right, the bull gear is rotationally connected with the bottom cover, the idler gear is sleeved on the first shaft, the pinion gear is sleeved on the second shaft, the bull gear is meshed with the idler gear, and the idler gear is meshed with the pinion gear.

Further, the utility model discloses still include the rocker, rocker and pinion fixed connection.

Furthermore, the utility model also comprises a flange and a deep groove ball bearing; the bull gear passes through deep groove ball bearing and installs on the bottom, and the flange is installed on the lower surface of bottom, and the flange is spacing to deep groove ball bearing's axial.

Furthermore, the utility model also comprises a housing and a bracket; the housing is mounted on the bottom cover, and the bracket is mounted on the housing.

Furthermore, the utility model also comprises a flat key; the pinion is of a hollow structure and is connected with the rocker through a flat key.

Furthermore, the utility model also comprises a plurality of bolts; a plurality of bolts are mounted on the first shaft.

The utility model has the advantages that: the utility model realizes that the shafting rotor with larger quality can be driven by smaller force through the characteristics of the gear transmission device, thereby realizing the reduction of the physical requirement on operators, lightening the burden of the operators and realizing the labor-saving transmission requirement; the utility model has the advantages that the rocker directly drives the pinion to rotate, the pinion drives the gearwheel to rotate, labor saving can be realized through the speed reducing device, the gear inner ring is used as a bearing support, the result is simple, the processing and assembling difficulty is reduced, the transmission form with a simple structure is achieved, and the requirements of labor saving, compact structure and the like are met; the utility model discloses cross that the rocker directly drives the pinion rotatory, the pinion drives the gear wheel rotatory, can realize laborsaving through decelerator, and the gear inner ring is as the bearing supporting, and is simple as a result, has reduced the design rate, has processed and the assembly degree of difficulty, reaches the transmission form that adopts simple structure, just satisfies demands such as laborsaving, compact structure.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a top cross-sectional view of the present invention.

Detailed Description

The first embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and the gear transmission labor saving device for a manual jigger of the present embodiment includes a bottom cover 4, a large gear 5, an idler gear 6, a first shaft 7, a small gear 8 and a second shaft 9;

the bull gear 5, the first shaft 7 and the second shaft 9 are sequentially arranged on the bottom cover 4 from left to right, the bull gear 5 is rotationally connected with the bottom cover 4, the idler gear 6 is sleeved on the first shaft 7, the pinion gear 8 is sleeved on the second shaft 9, the bull gear 5 is meshed with the idler gear 6, and the idler gear 6 is meshed with the pinion gear 8.

The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 3, and the gear transmission labor saving device for a manual barring gear further includes a rocker 1, and the rocker 1 is fixedly connected with a pinion 8. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 3, and the gear transmission labor-saving device for the manual barring gear further comprises a flange 3 and a deep groove ball bearing 27; the bull gear 5 is installed on the bottom cover 4 through deep groove ball bearing 27, and flange 3 is installed on the lower surface of bottom cover 4, and flange 3 carries out spacing to deep groove ball bearing 27's axial. Other components and connections are the same as those in the first embodiment.

The fourth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and the gear transmission labor saving device for a manual barring gear of the present embodiment further includes a housing 2 and a bracket 10; the housing 2 is mounted on the bottom cover 4, and the bracket 10 is mounted on the housing 2. The housing 2 is used to isolate the rocker from the gear drive so as to avoid danger during use, and the bracket 10 is mounted on the housing 2 by bolts 13 and washers 14 for convenient handling during movement of the device. Other components and connections are the same as those in the first embodiment.

The fifth concrete implementation mode: the present embodiment is described with reference to fig. 1 to 3, and the gear transmission labor saving device for a manual barring gear according to the present embodiment further includes a flat key 16; the pinion 8 is hollow and the pinion 8 is connected to the rocker 1 by a flat key 16. Other components and connection relationships are the same as those in the first or second embodiment.

The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 3, and the gear transmission labor saving device for a manual barring gear according to the present embodiment further includes a plurality of bolts 19; a plurality of bolts 19 are mounted on the first shaft 7. Other components and connections are the same as those in the first embodiment.

Principle of operation

The pinion shaft, the idler wheel and the bull gear are radially supported by a single deep groove ball bearing, and the shaft end is positioned by a nut. The pinion and the idler wheel are used as bearing seats, and the gears are all made of involute straight teeth. The small gear is connected with the rocker through a flat key, all gear devices are installed in the housing, the bracket is arranged to facilitate installation and use of an operator, the rocker handle is plated with chrome after being plated with copper, the rocker handle is attractive and durable, and the problems of rusting and the like after use can be solved. As shown in FIG. 1, only one form of transmission structure is provided, and if the transmission torque is different from that in the present document, the gear transmission ratio can be determined according to the actual stress situation.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a gear drive laborsaving device for manual barring which characterized in that: the gear transmission labor-saving device for the manual barring comprises a bottom cover (4), a large gear (5), an idler gear (6), a first shaft (7), a small gear (8) and a second shaft (9);

the large gear (5), the first shaft (7) and the second shaft (9) are sequentially arranged on the bottom cover (4) from left to right, the large gear (5) is rotationally connected with the bottom cover (4), the idler gear (6) is sleeved on the first shaft (7), the pinion gear (8) is sleeved on the second shaft (9), the large gear (5) is meshed with the idler gear (6), and the idler gear (6) is meshed with the pinion gear (8).

2. The gear-driven labor-saving device for the manual barring gear according to claim 1, wherein: the gear transmission labor-saving device for the manual barring gear further comprises a rocker (1), and the rocker (1) is fixedly connected with a pinion (8).

3. The gear-driven labor-saving device for the manual barring gear according to claim 1, wherein: the gear transmission labor-saving device for the manual barring further comprises a flange (3) and a deep groove ball bearing (27); the large gear (5) is installed on the bottom cover (4) through the deep groove ball bearing (27), the flange (3) is installed on the lower surface of the bottom cover (4), and the flange (3) limits the axial direction of the deep groove ball bearing (27).

4. The gear-driven labor-saving device for the manual barring gear according to claim 1, wherein: the gear transmission labor-saving device for the manual barring gear further comprises a housing (2) and a bracket (10); the housing (2) is arranged on the bottom cover (4), and the bracket (10) is arranged on the housing (2).

5. A gear-driven labor-saving device for a manual barring gear according to claim 1 or 2, wherein: the gear transmission labor-saving device for the manual barring gear further comprises a flat key (16); the pinion (8) is of a hollow structure, and the pinion (8) is connected with the rocker (1) through a flat key (16).

6. The gear-driven labor-saving device for the manual barring gear according to claim 1, wherein: the gear transmission labor-saving device for the manual barring gear further comprises a plurality of bolts (19); a plurality of bolts (19) are mounted on the first shaft (7).