CN216737367U - Cylinder type spring taper brake of pneumatic hoist - Google Patents
Cylinder type spring taper brake of pneumatic hoist Download PDFInfo
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- CN216737367U CN216737367U CN202122508066.XU CN202122508066U CN216737367U CN 216737367 U CN216737367 U CN 216737367U CN 202122508066 U CN202122508066 U CN 202122508066U CN 216737367 U CN216737367 U CN 216737367U
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Abstract
The utility model discloses a pneumatic hoist cylinder type spring taper brake, which comprises a shell, a pneumatic motor, a speed reducer, a chain wheel device and a brake device, wherein the shell is provided with a first end and a second end; a pneumatic motor is arranged at one end inside the casing, a brake device is arranged at the rear end of the pneumatic motor, and a brake disc of the brake device is arranged on a rear shaft body of a transmission shaft of the pneumatic motor; the brake cylinder of the brake device is fixed on the shell; the brake disc of the brake device is arranged on the shaft body of the output shaft of the brake cylinder; and a spring thrust disc is arranged between the brake disc and the brake cylinder. Compressed air is introduced into the brake cylinder, an output shaft of the brake cylinder drives the brake disc to move, and the brake disc is separated from the brake disc; compressed air in the cylinder body of the brake cylinder is discharged, the thrust spring pushes the brake disc and the output shaft of the brake cylinder to move, the pneumatic motor stops rotating, and the brake disc are in contact for braking.
Description
Technical Field
The utility model discloses a pneumatic hoist cylinder type spring taper brake, and relates to the technical field of hoisting machinery.
Background
The pneumatic hoist is the most ideal explosion-proof hoisting equipment in the world at present, is widely applied to industries such as petroleum, chemical engineering, coal mines, storage and the like, and is indispensable equipment for safety production of enterprises, efficiency improvement and cost reduction. In the hoisting process of the pneumatic hoist, safety accidents caused by braking problems occur sometimes, and most of the conventional pneumatic hoists lack an effective braking function, so that the market urgently needs the pneumatic hoist with an overload protection function.
Disclosure of Invention
The utility model aims to provide a pneumatic hoist cylinder type spring taper brake, which increases the brake limiting function while performing explosion-proof lifting work and improves the reliability and safety of equipment.
In view of the above technical problems, the present invention provides a cylinder spring taper brake for a pneumatic hoist, which comprises a housing, a pneumatic motor, a reducer, a sprocket device and a brake device. One end in the casing is provided with a pneumatic motor, and the other end in the casing is provided with a speed reducer and a chain wheel device. The brake device is arranged at the rear end of the pneumatic motor, and a brake disc of the brake device is arranged on a rear shaft body of a transmission shaft of the pneumatic motor; the brake cylinder of the brake device is fixed on the shell; the brake disc of the brake device is arranged on the shaft body of the output shaft of the brake cylinder. A spring thrust disc is arranged between the brake disc and the brake cylinder, the outer portion of a disc body of the spring thrust disc is fixedly installed on the shell, a plurality of spring grooves which are symmetrically distributed in an annular mode are formed in the disc body of the spring thrust disc, and thrust springs are arranged in the spring grooves. Compressed air is introduced into the brake cylinder, an output shaft of the brake cylinder drives the brake disc to move, and the brake disc is separated from the brake disc. Compressed air in the cylinder body of the brake cylinder is discharged, the thrust spring pushes the brake disc and the output shaft of the brake cylinder to move, the brake disc and the brake disc are in contact for braking, and the pneumatic motor stops rotating.
The utility model is further improved, and the adopted preferable technical measures are as follows: the outer portion of a brake disc of the brake device is provided with an outer spline housing, the outer portion of the outer spline housing is provided with an inner spline housing, an outer ring of the inner spline housing is fixedly arranged on the inner wall of the machine shell, or the outer ring of the inner spline housing is fixedly arranged on the wall surface of a disc body of the spring thrust disc. The brake disc reciprocates, and the straight reciprocating motion in the internal spline cover is overlapped to the external spline, prevents that the brake disc from rotatory.
The utility model is further improved, and the adopted preferable technical measures are as follows: the outer wall of the disc body of the brake disc is an outer taper wall surface, and the inner wall surface of the disc of the brake disc is an inner taper wall surface. The brake disc and the brake disc are in contact braking operation, and the outer taper wall surface and the inner taper wall surface are in contact friction braking.
The utility model is further improved, and the adopted preferable technical measures are as follows: a protective cover is arranged between the pneumatic motor and the spring thrust disc, a cover body of the protective cover is arranged at the rear part of the pneumatic motor, an annular cover opening of the protective cover is fixedly arranged on the upper wall surface of the spring thrust disc, and the brake disc is arranged inside the protective cover.
The utility model is further improved, and the adopted preferable technical measures are as follows: the brake pad of the brake disc is an explosion-proof brake pad.
The utility model is further improved, and the adopted preferable technical measures are as follows: the lower part of the machine shell is provided with a gas distribution device, a first gas distribution valve of the gas distribution device regulates and controls the gas pressure in the front cylinder body of the brake cylinder, and a second gas distribution valve of the gas distribution device controls the gas pressure in the rear cylinder body of the brake cylinder. Compressed air in the front cylinder body of the brake cylinder is discharged, the thrust spring pushes the brake disc and the output shaft of the brake cylinder to move, the brake disc and the brake disc are in contact for braking, compressed air is introduced into the rear cylinder body, pressure is further applied to the brake disc, and the braking performance is further improved.
Advantageous effects
Based on the technical scheme, the utility model at least has one of the following beneficial effects:
1, the brake device of the cylinder spring taper brake of the pneumatic hoist is arranged at the rear part of a pneumatic motor, and has simple structure and convenient maintenance;
2, the brake device adopts an air-cut-off brake device, when the air pressure in the brake cylinder is reduced, the brake disc is in contact with the brake disc to brake under the action of the thrust of the spring, the braking is rapid, the effect is excellent, and the safety performance is high;
3, the brake disc and the brake disc are designed to be in contact braking through tapered wall surfaces, the contact surface is large, and the braking performance is remarkably improved;
4, an outer spline sleeve is arranged outside the brake disc, an inner spline sleeve is arranged outside the outer spline sleeve, and the brake disc is controlled to linearly reciprocate through the inner spline and the outer spline, so that the brake disc is prevented from rotating automatically, and the spring thrust device is prevented from being damaged;
5, protective covers are arranged outside the brake disc and the brake disc, and the brake pads on the brake disc are anti-explosion brake pads, so that the anti-explosion performance is improved to the maximum extent;
6, adopting a cylinder to assist the brake, wherein the lower part of the shell is provided with a gas distribution device, a first gas distribution valve of the gas distribution device regulates and controls the gas pressure in a front cylinder body of the movable cylinder, and a second gas distribution valve of the gas distribution device controls the gas pressure in a rear cylinder body of the brake cylinder; compressed air in the front cylinder body of the brake cylinder is discharged, the thrust spring pushes the brake disc and the output shaft of the brake cylinder to move, the brake disc and the brake disc are in contact for braking, compressed air is introduced into the rear cylinder body, pressure is further applied to the brake disc, and the braking performance is further improved.
Drawings
Fig. 1 is a working schematic diagram of the pneumatic hoist cylinder type spring taper brake of the utility model.
Fig. 2 is an installation schematic diagram of the braking device of the pneumatic block cylinder type spring taper brake.
Fig. 3 is a schematic view of the installation of the cylinder booster brake of the pneumatic block cylinder type spring taper brake of the utility model.
Detailed Description
In order that the objects, technical solutions and advantages of the present invention will become more apparent, the present invention will be further described in detail with reference to the accompanying drawings in conjunction with the following specific embodiments.
As shown in fig. 1 and 2, the cylinder spring taper brake of the pneumatic hoist comprises a housing 1, a pneumatic motor 2, a reducer 3, a sprocket device 4 and a brake device 5. The pneumatic motor 2 is arranged at one end inside the casing 1, and the speed reducer 3 and the chain wheel device 4 are arranged at the other end inside the casing 1. The brake device 5 is arranged at the rear end of the pneumatic motor 2, and a brake disc 6 of the brake device 5 is arranged on a rear shaft body 8 of a transmission shaft 7 of the pneumatic motor 2. A brake cylinder 9 of the brake device 5 is fixed on the housing 1, and a brake disc 10 of the brake device 5 is provided on a shaft body of an output shaft 11 of the brake cylinder 9. A spring thrust disc 12 is arranged between the brake disc 10 and the brake cylinder 9, and the outer part of a disc body 13 of the spring thrust disc 12 is fixedly arranged on the machine shell 1; the body 13 of the spring thrust disc 12 is provided with a plurality of spring grooves 14 which are annularly and symmetrically distributed, and the spring grooves 14 are provided with thrust springs 15. Compressed air is introduced into the brake cylinder 9, an output shaft 11 of the brake cylinder 9 drives a brake disc 10 to move, and the brake disc 10 is separated from the brake disc 6. Compressed air in the cylinder body of the brake cylinder 9 is exhausted, the thrust spring 15 pushes the brake disc 10 and the output shaft 11 of the brake cylinder 9 to move, the brake disc 10 is in contact with the brake disc 6 to brake, and the pneumatic motor 2 stops rotating. As shown in fig. 1, the disc outer wall 20 of the brake disc 6 is an outer tapered wall surface 21, and the disc inner wall surface 22 of the brake disc 10 is an inner tapered wall surface 23. The brake disc 10 and the brake disc 6 are in contact braking operation, and the outer taper wall surface 21 and the inner taper wall surface 23 are in contact friction braking. The brake disc 10 of the brake device 5 is externally provided with an external spline housing 26, the external spline housing 26 is externally provided with an internal spline housing 27, and an outer ring 28 of the internal spline housing 27 is fixedly arranged on the inner wall of the machine shell 1. As shown in fig. 3, the outer race 28 of the inner spline housing 27 is fixed to the wall surface of the disk body 13 of the spring thrust disk 12. The brake disc 10 reciprocates and the male spline housing 26 reciprocates linearly within the female spline housing 27, preventing rotation of the brake disc 10.
As shown in fig. 2, a shield 24 is provided between the air motor 2 and the spring thrust plate 12, a cover 25 of the shield 24 is provided at the rear of the air motor 2, an annular cover opening 36 of the shield 24 is fixedly attached to the upper wall surface of the spring thrust plate 12, and the brake disk 6 is provided inside the shield 24. The brake pad of the brake disc 6 is an explosion-proof brake pad 35. As shown in fig. 3, a gas distribution device 30 is provided at a lower portion of the housing 1, a first gas distribution valve 31 of the gas distribution device 30 regulates gas pressure in a front cylinder 32 of the brake cylinder 9, and a second gas distribution valve 33 of the gas distribution device 30 controls gas pressure in a rear cylinder 34 of the brake cylinder 9. Compressed air in a front cylinder body 32 of the brake cylinder 9 is exhausted, the thrust spring 15 pushes the brake disc 10 and an output shaft 11 of the brake cylinder 9 to move, the brake disc 10 is in contact with the brake disc 6 to brake, compressed air is introduced into a rear cylinder body 34 to further apply pressure to the brake disc 10, and the braking performance is further improved.
Thus, the embodiments of the present invention have been described.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A pneumatic hoist cylinder type spring taper brake is characterized by comprising a shell (1), a pneumatic motor (2), a speed reducer (3), a chain wheel device (4) and a brake device (5); a pneumatic motor (2) is arranged at one end inside the machine shell (1), and a speed reducer (3) and a chain wheel device (4) are arranged at the other end inside the machine shell (1); the brake device (5) is arranged at the rear end of the pneumatic motor (2); the brake disc (6) of the brake device (5) is arranged on a rear shaft body (8) of a transmission shaft (7) of the pneumatic motor (2); a brake cylinder (9) of the brake device (5) is fixed on the shell (1), and a brake disc (10) of the brake device (5) is arranged on a shaft body of an output shaft (11) of the brake cylinder (9); a spring thrust disc (12) is arranged between the brake disc (10) and the brake cylinder (9), the outer part of a disc body (13) of the spring thrust disc (12) is fixedly arranged on the shell (1), a plurality of spring grooves (14) which are annularly and symmetrically distributed are formed in the disc body (13) of the spring thrust disc (12), and thrust springs (15) are arranged in the spring grooves (14); compressed air is introduced into the brake cylinder (9), an output shaft (11) of the brake cylinder (9) drives a brake disc (10) to move, and the brake disc (10) is separated from the brake disc (6); compressed air in the cylinder body of the brake cylinder (9) is exhausted, the thrust spring (15) pushes the brake disc (10) and the output shaft (11) of the brake cylinder (9) to move, the brake disc (10) is in contact with the brake disc (6) to brake, and the pneumatic motor (2) stops rotating.
2. The pneumatic hoist cylinder type spring taper brake of claim 1, characterized in that: an outer spline housing (26) is arranged outside a brake disc (10) of the brake device (5), an inner spline housing (27) is arranged outside the outer spline housing (26), an outer ring (28) of the inner spline housing (27) is fixedly arranged on the inner wall of the shell (1), or the outer ring (28) of the inner spline housing (27) is fixedly arranged on the wall surface of a disc body (13) of the spring thrust disc (12); the brake disc (10) reciprocates, and the outer spline sleeve (26) linearly reciprocates in the inner spline sleeve (27) to prevent the brake disc (10) from rotating.
3. The pneumatic hoist cylinder type spring taper brake of claim 1 or 2, characterized in that: the outer wall (20) of the brake disc (6) is an outer taper wall surface (21), and the inner wall surface (22) of the brake disc (10) is an inner taper wall surface (23); the brake disc (10) and the brake disc (6) are in contact braking operation, and the outer taper wall surface (21) and the inner taper wall surface (23) are in contact friction braking.
4. The pneumatic hoist cylinder type spring taper brake of claim 1 or 2, characterized in that: be provided with protection casing (24) between pneumatic motor (2) and spring thrust dish (12), the cover body (25) of protection casing (24) set up the rear portion at pneumatic motor (2), annular cover mouth (36) of protection casing (24), fixed mounting is on the last wall of spring thrust dish (12), brake disc (6) set up the inside at protection casing (24).
5. The pneumatic hoist cylinder type spring taper brake of claim 4, characterized in that: and the brake pad of the brake disc (6) is an explosion-proof brake pad (35).
6. The pneumatic hoist cylinder type spring taper brake of claim 1 or 2, characterized in that: a gas distribution device (30) is arranged at the lower part of the machine shell (1), a first gas distribution valve (31) of the gas distribution device (30) regulates and controls gas pressure in a front cylinder body (32) of the brake cylinder (9), and a second gas distribution valve (33) of the gas distribution device (30) controls gas pressure in a rear cylinder body (34) of the brake cylinder (9); compressed air in a front cylinder body (32) of the brake cylinder (9) is exhausted, the thrust spring (15) pushes the brake disc (10) and an output shaft (11) of the brake cylinder (9) to move, the brake disc (10) is in contact with the brake disc (6) to brake, the compressed air is introduced into the rear cylinder body (34), pressure is further applied to the brake disc (10), and the brake performance is further improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122508066.XU CN216737367U (en) | 2021-10-19 | 2021-10-19 | Cylinder type spring taper brake of pneumatic hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122508066.XU CN216737367U (en) | 2021-10-19 | 2021-10-19 | Cylinder type spring taper brake of pneumatic hoist |
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| Publication Number | Publication Date |
|---|---|
| CN216737367U true CN216737367U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122508066.XU Active CN216737367U (en) | 2021-10-19 | 2021-10-19 | Cylinder type spring taper brake of pneumatic hoist |
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| Country | Link |
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| CN (1) | CN216737367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199150A (en) * | 2023-03-23 | 2023-06-02 | 台州市索立机械有限公司 | Electric hoist for heat treatment |
-
2021
- 2021-10-19 CN CN202122508066.XU patent/CN216737367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116199150A (en) * | 2023-03-23 | 2023-06-02 | 台州市索立机械有限公司 | Electric hoist for heat treatment |
| CN116199150B (en) * | 2023-03-23 | 2024-02-23 | 台州市索立机械有限公司 | Electric hoist for heat treatment |
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