CN202251744U

CN202251744U - Reverser

Info

Publication number: CN202251744U
Application number: CN2011203790066U
Authority: CN
Inventors: 朱利根
Original assignee: Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Current assignee: Jiangsu Wuxi Mineral Exploration Machinery General Factory Co Ltd
Priority date: 2011-09-28
Filing date: 2011-09-28
Publication date: 2012-05-30
Anticipated expiration: 2021-09-28

Abstract

The utility model relates to a reverser. The reverser comprises a gear, a shaft-equipped spiral bevel gear, a first box body, an output shaft, a second box body, a first spiral bevel gear, a first jaw clutch, a second jaw clutch, a third jaw clutch and a second spiral bevel gear, wherein the gear is installed on the shaft-equipped spiral bevel gear through a spline, a second shaft sleeve is arranged on the output shaft and is arranged in the second box body, the first spiral bevel gear is installed on the first jaw clutch, the gear is meshed with the shaft-equipped spiral bevel gear, the first jaw clutch is installed at the upper end of the output shaft, the second spiral bevel gear is installed on the third jaw clutch, the third jaw clutch is installed at the lower end of the output shaft, and the second jaw clutch is installed at the middle part of the output shaft through the spline, can slide up and down, and is meshed with the upper jaw clutch and the lower jaw clutch respectively. When the reverser is adopted, the output shaft can rotate forwards and backwards reliably; and the reverser has the advantages of low cost for production and maintenance as well as high adaptability, and can adapt to a severe working environment of a drilling rig.

Description

A kind of commutator

Technical field

The utility model relates to a kind of commutator, and specifically a kind of device of on the rig output shaft, realizing switching-over belongs to engineering machinery (rig) field.

Background technique

The operating mode of rig is more abominable, and its part and structure are design principle with simple, practicality all; Require to install and convenient disassembly, and for ease of maintenaince, be fit to open-air area and use.The structural commutator of conventional machinery all has complex structure, installation and the inconvenient narrow limitation of maintenance, so be not suitable for the power clutch of G-3 rig.

Summary of the invention

The purpose of the utility model is to overcome above-mentioned deficiency; Thereby a kind of commutator is provided; This commutator is through the engagement of the claw collar of back and forth movement and two circular-arc bevel gears of jaw clutch on output shaft; Realize the function of the positive and negative direction rotation of output shaft, finally realize the power transmission, the frequent clutch of commutator power when realizing rig work reliably.

According to the technological scheme that the utility model provides, a kind of commutator comprises gear, tape spool spiral bevel gear, first casing, output shaft, second casing, first spiral bevel gear, first jaw clutch, second jaw clutch, hyperdontogeny embedding clutch, second spiral bevel gear; Gear is installed on the tape spool spiral bevel gear through spline, and bearing housing is installed on first casing through bolt, and the tape spool spiral bevel gear passes through clutch shaft bearing, second bearing, the 3rd Bearing Installation on axle sleeve; First axle sleeve is installed on second casing through bolt, and second axle sleeve is housed on the output shaft, and four bearing of output shaft through upper and lower end, the 5th bearing, second key, the 6th bearing, the 7th Bearing Installation are in second casing; First spiral bevel gear is installed on first jaw clutch through first sliding bearing, first key, and the gear teeth are meshed with the tape spool spiral bevel gear, and first jaw clutch is installed in the upper end of output shaft through first sliding bearing; Second spiral bevel gear is installed on the hyperdontogeny embedding clutch through second key, and the gear teeth are meshed with the tape spool spiral bevel gear, and hyperdontogeny embedding clutch is installed in the lower end of output shaft through second sliding bearing; Second jaw clutch is installed in the middle part of output shaft through spline, can slide up and down, and is meshed with jaw clutch up and down respectively.

Bearing (ball) cover is equipped with in said tape spool spiral bevel gear outer end, by the bearing (ball) cover axially locating.

Said output shaft upper and lower end is equipped with bearing upper cover, lower ball cover respectively, by bearing upper cover, lower ball cover axially locating.

Compared with present technology the utility model has the following advantages:

The utility model is simple in structure, compact structure, and processing ease, easy to maintenance; Clutch mechanism is built on output shaft and the spiral bevel gear, pumps, can realize commutation function, be adapted at applying on the similar rig by sliding sleeve in the middle of pulling action drive of Joystick; This structure has used the positive and negative clutch of jaw clutch to come the mode of transferring power dexterously, has realized the function of the positive and negative direction rotation of output shaft simple and reliablely, relatively is adapted at open-air drilling operation; Manufacturing and maintenance cost are low, and adaptability is strong, can adapt to the rig bad working environment.

Description of drawings

Fig. 1 is the utility model structural representation.

Embodiment

Following the utility model will combine the embodiment in the accompanying drawing to further describe:

As shown in Figure 1, comprise gear 1, tape spool spiral bevel gear 2, bearing (ball) cover 3, clutch shaft bearing 4, bearing housing 5, first casing 6, second bearing 7, the 3rd bearing 8, first axle sleeve 9, bearing upper cover 10, the 4th bearing 11, second axle sleeve 12, output shaft 13, second casing 14, the 5th bearing 15, first sliding bearing 16, first key 17, first spiral bevel gear 18, first jaw clutch 19, second jaw clutch 20, hyperdontogeny embedding clutch 21, second key 22, second sliding bearing 23, second spiral bevel gear 24, the 6th bearing 25, the 7th bearing 26, lower ball cover 27 etc.

Gear 1 is installed on the tape spool spiral bevel gear 2 through spline; Bearing housing 5 is installed on first casing 6 through bolt; Tape spool spiral bevel gear 2 is installed on the axle sleeve 5 through clutch shaft bearing 4, second bearing 7, the 3rd bearing 8; Bearing (ball) cover 3 is equipped with in tape spool spiral bevel gear 2 outer ends, and the outer end is by bearing (ball) cover 3 axially locating.First axle sleeve 9 is installed on second casing 14 through bolt; Second axle sleeve 12 is housed on the output shaft 13; Four bearing 11 of output shaft 13 through upper and lower end, the 5th bearing 15, second key 22, the 6th bearing 25, the 7th bearing 26 are installed in second casing 14; Said output shaft 13 upper and lower end are equipped with bearing upper cover 10, lower ball cover 27 respectively, and upper and lower end is by bearing upper cover 10, lower ball cover 27 axially locating; First spiral bevel gear 18 is installed on first jaw clutch 19 through first sliding bearing 16, first key 17, and the gear teeth are meshed with tape spool spiral bevel gear 2, and first jaw clutch 19 is installed in the upper end of output shaft 13 through first sliding bearing 16; Second spiral bevel gear 24 is installed on the hyperdontogeny embedding clutch 21 through second key 22, and the gear teeth are meshed with tape spool spiral bevel gear 2, and hyperdontogeny embedding clutch 21 is installed in the lower end of output shaft 13 through second sliding bearing 23; Second jaw clutch 20 is installed in the middle part of output shaft 13 through spline, can slide up and down, and is meshed with jaw clutch up and down respectively.

The working procedure of the utility model:

1, neutral gear

Second jaw clutch 20 mediates; When the upper and lower arbitrary end of promptly getting along well meshes; Gear 1 drives 2 rotations of tape spool spiral bevel gear through spline; First spiral bevel gear 18, second spiral bevel gear 24 respectively with 2 engagements of tape spool spiral bevel gear, this moment is idle running all, promptly cannot drive output shaft 13 rotations.

2, forward (palpus hour hands) swing pinion 1 turns clockwise through tape spool spiral bevel gear 2; Second jaw clutch 20 is in lower end position; During promptly with lower end engages; Power is passed to second jaw clutch 20 via the lower end curved tooth, is passed to output shaft 13 through spline structure, output shaft 13 forwards this moment (palpus hour hands) rotation.

3, reverse (counterclockwise) swing pinion 1 turns clockwise through spline drive tape spool spiral bevel gear 2; Second jaw clutch 20 is in upper end position; When promptly meshing with the upper end; Power is passed to second jaw clutch 20 via the upper end curved tooth, is passed to output shaft 13 through spline structure, output shaft 13 this moment reverse (counterclockwise) rotation.

Claims

1. a commutator comprises gear (1), tape spool spiral bevel gear (2), first casing (6), output shaft (13), second casing (14), first spiral bevel gear (18), first jaw clutch (19), second jaw clutch (20), hyperdontogeny embedding clutch (21), second spiral bevel gear (24); Gear (1) is installed on the tape spool spiral bevel gear (2) through spline; Bearing housing (5) is installed on first casing (6) through bolt, and tape spool spiral bevel gear (2) is installed on the axle sleeve (5) through clutch shaft bearing (4), second bearing (7), the 3rd bearing (8); First axle sleeve (9) is installed on second casing (14) through bolt; Second axle sleeve (12) is housed on the output shaft (13), and output shaft (13) is installed in second casing (14) through the 4th bearing (11), the 5th bearing (15), second key (22), the 6th bearing (25), the 7th bearing (26) of upper and lower end; First spiral bevel gear (18) is installed on first jaw clutch (19) through first sliding bearing (16), first key (17); The gear teeth are meshed with tape spool spiral bevel gear (2), and first jaw clutch (19) is installed in the upper end of output shaft (13) through first sliding bearing (16); Second spiral bevel gear (24) is installed on the hyperdontogeny embedding clutch (21) through second key (22); The gear teeth are meshed with tape spool spiral bevel gear (2), and hyperdontogeny embedding clutch (21) is installed in the lower end of output shaft (13) through second sliding bearing (23); Second jaw clutch (20) is installed in the middle part of output shaft (13) through spline, and to slide up and down, first jaw clutch (19), hyperdontogeny embedding clutch (21) are meshed respectively with up and down.

2. a kind of commutator as claimed in claim 1 is characterized in that: bearing (ball) cover (3) is equipped with in said tape spool spiral bevel gear (2) outer end, by bearing (ball) cover (3) axially locating.

3. a kind of commutator as claimed in claim 1 is characterized in that: said output shaft (13) upper and lower end is equipped with bearing upper cover (10), lower ball cover (27) respectively, by bearing upper cover (10), lower ball cover (27) axially locating.