CN216805458U - Double-brake device of monorail crane - Google Patents
Double-brake device of monorail crane Download PDFInfo
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- CN216805458U CN216805458U CN202220198926.6U CN202220198926U CN216805458U CN 216805458 U CN216805458 U CN 216805458U CN 202220198926 U CN202220198926 U CN 202220198926U CN 216805458 U CN216805458 U CN 216805458U
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Abstract
The utility model discloses a double-braking device of a monorail crane, which comprises a bearing unit, a braking unit and a speed limiting unit, wherein the bearing unit comprises: the bearing unit comprises a bearing wheel, a bearing wheel shaft and a bearing frame; the brake unit consists of a brake cylinder, a brake spring, two groups of brake levers, a first brake lever pin, a second brake lever pin, a third brake lever pin, a fine adjustment lever pin, a brake pad and a brake pad U-shaped clamp; the speed limiting unit consists of a rotating device, a speed limiter, a speed limiting pulley, a pressure release valve and a valve block fixing seat. The utility model can realize conventional braking and overspeed protection, the overspeed protection function and the inherent overspeed protection device of the locomotive realize the emergency braking function together, the emergency braking working efficiency of the locomotive is doubled, and meanwhile, the emergency braking device can be detached and installed at any time according to the actual requirement, thereby being more convenient for adjusting the braking parameters.
Description
Technical Field
The utility model belongs to the field of device braking, and particularly relates to a double-braking device of a monorail crane.
Background
The monorail crane is auxiliary transportation equipment which is strong in mobility, high in running speed, large in load capacity, safe and reliable and runs on a suspended monorail system, can realize continuous and direct transportation without transshipment in a variable slope, multiple turnouts and multiple branch roadways, is not influenced by deformation of a roadway bottom plate, water accumulation or material accumulation, and is applied to coal mines more and more widely at present.
The prior patent number is 201610498176.3, the patent name is a single track crane double-brake driving device, the utility model patent provides a double-brake structure, a load-bearing walking unit, a driving walking unit and a brake unit are combined together, and a double-brake device is adopted.
The existing braking devices are integrated with the driving and traveling unit, and a double-braking device of the monorail crane is provided, so that conventional braking and overspeed protection can be realized, the overspeed protection function and the inherent overspeed protection device of the locomotive realize an emergency braking function together, the emergency braking working efficiency of the locomotive is doubled, and meanwhile, the double-braking device can be detached and installed at any time according to actual requirements, and the braking parameters can be adjusted more conveniently.
SUMMERY OF THE UTILITY MODEL
The utility model provides a double-brake device of a monorail crane, which can realize conventional braking and overspeed protection, wherein the overspeed protection function and the inherent overspeed protection device of a locomotive realize an emergency braking function together, so that the emergency braking working efficiency of the locomotive is doubled, and meanwhile, the double-brake device can be detached and installed at any time according to actual requirements, so that the braking parameters can be adjusted more conveniently.
The utility model provides a double-braking device of a monorail crane, which comprises a bearing unit, a braking unit and a speed limiting unit, wherein:
the bearing unit consists of bearing wheels, a bearing wheel shaft and a bearing frame, wherein the bearing wheels are fixed at two ends of the bearing frame through the bearing wheel shaft, one end of the bearing wheels is provided with two bearing wheels, and the other end of the bearing wheels is provided with one bearing wheel which is fixed oppositely;
the brake unit consists of a brake oil cylinder, a brake spring, two groups of brake levers, a first brake lever pin, a second brake lever pin, a third brake lever pin, a fine adjustment lever pin, a brake pad and a brake pad U-shaped clamp, the brake unit is arranged at two ends of a bearing frame, flanges are arranged at two ends of the brake oil cylinder, the brake spring is arranged between the two flanges, connecting holes at two ends of the brake oil cylinder are connected with a lower end hole of the brake lever through the first brake lever pin, a middle hole of the brake lever is connected with one end of the fine adjustment lever through the second brake lever pin, the other end of the fine adjustment lever is connected with the bearing frame through the fine adjustment lever pin, an upper end hole of the brake lever is connected with a tail end hole of the brake pin through the third brake lever pin, the other end of the brake pin is of a hemispherical structure, and a groove is arranged between the hemispherical structure and the brake pin, the U-shaped card of the brake pad fixes the brake pad through the groove;
the speed limiting unit consists of a rotating device, a speed limiter, a speed limiting pulley, a pressure release valve and a valve block fixing seat; the pressure release valve is fixedly connected with the valve block fixing seat, the speed limiting pulley is installed on the speed limiter and is fixed on the bearing frame, and the rotating device is fixed on the speed limiter and abuts against the pulley on the pressure release valve.
Preferably, the brake pad rotates at the end of the hemispherical structure of the brake pin.
Preferably, the ends of the first brake lever pin, the second brake lever pin, the third brake lever pin and the vernier lever pin are fixed by a flat washer and a cotter pin.
The utility model has the beneficial effects that:
1. when the brake lever rotates, the upper brake lever hole moves circularly to generate displacement in the vertical direction, and the fine adjustment lever moves up and down to offset the displacement in the vertical direction under the action of acting force, so that the brake pin is ensured to move horizontally, and the brake is better.
2. The braking device can realize conventional braking, and can realize overspeed protection through the speed limiting unit, and the overspeed protection function and the inherent overspeed protection device of the locomotive realize the emergency braking function together, so that the emergency braking working efficiency of the locomotive is doubled.
3. The existing locomotive braking devices are integrated with the driving and traveling unit, and the braking devices can be detached and installed at any time according to actual requirements, so that the braking parameters can be adjusted more conveniently.
Drawings
FIG. 1 is a front view of a double-braking device of a monorail crane of the utility model;
FIG. 2 is a left side view of a double brake device of the monorail crane of the utility model;
FIG. 3 is a top view of a double brake device of the monorail crane of the utility model;
FIG. 4 is a cross-sectional view B-B of a double-braking device of the monorail crane of the utility model;
the attached drawings are marked as follows:
1. the brake device comprises a bearing wheel, 2, a bearing wheel shaft, 3, a bearing frame, 4, a brake oil cylinder, 5, a brake spring, 6, a brake lever, 7, a first brake lever pin, 8, a second brake lever pin, 9, a third brake lever pin, 10, a fine adjustment lever, 11, a fine adjustment lever pin, 12, a brake pin, 13, a brake pad, 14, a brake pad U-shaped clamp, 15, a rotating device, 16, a speed limiter, 17, a speed limiting pulley, 18, a pressure release valve, 19, a valve block fixing seat, 20, a flat washer, 21 and a split pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and should not be construed as limiting the scope of the utility model.
The embodiment of the utility model is as follows, and the monorail crane double-brake device shown in figures 1, 2 and 3 comprises a bearing unit, a brake unit and a speed limiting unit.
As shown in fig. 3, the bearing unit is composed of a bearing wheel (1), a bearing wheel shaft (2) and a bearing frame (3), the bearing wheel (1) is fixed at two ends of the bearing frame (3) through the bearing wheel shaft (2), wherein two bearing wheels (1) are arranged at one end, and one bearing wheel (1) is arranged at the other end and fixed oppositely;
as shown in figure 2, the brake unit is composed of a brake cylinder (4), a brake spring (5), two groups of brake levers (6), a first brake lever pin (7), a second brake lever pin (8), a third brake lever pin (9), a fine adjustment lever (10), a fine adjustment lever pin (11), a brake pin (12), a brake pad (13) and a brake pad U-shaped clamp (14), the brake unit is arranged at two ends of a bearing frame (3), flanges are arranged at two ends of the brake cylinder (4), the brake spring (5) is arranged between the two flanges, connecting holes at two ends of the brake cylinder (4) are connected with a lower end hole of the brake lever (6) through the first brake lever pin (7), a middle hole of the brake lever (6) is connected with one end of the fine adjustment lever (10) through the second brake lever pin (8), the other end of the fine adjustment lever (10) is connected with the bearing frame (3) through the fine adjustment lever pin (11), the upper end hole of the brake lever (6) is connected with the tail end hole of the brake pin (12) through the third brake lever pin (9), the other end of the brake pin (12) is of a hemispherical structure, a groove is formed in the middle of the hemispherical structure and the brake pin (12), and as shown in figure 4, the brake pad U-shaped clamp (14) is fixed to the brake pad (13) through the groove. The brake pad (13) rotates at the hemispherical structure end of the brake pin (12). The ends of the first brake lever pin (7), the second brake lever pin (8), the third brake lever pin (9) and the fine adjustment lever pin (11) are fixed by a flat washer (20) and a split pin (21).
The braking process is as follows:
the brake lever (6), the fine adjustment lever (10) and the brake pin (12) form a multi-link mechanism, when the pressure inside the brake oil cylinder (4) is relieved, under the external force of the brake spring (5), the lower part of the brake lever (6) rotates outwards in the axial direction by taking the fine adjustment lever pin (11) as the shaft, the brake pin (12) moves inwards under the lever action, the brake pad (13) is tightly clamped on the vertical plate of the track, sufficient brake force is generated, and the equipment is guaranteed to be static. When the brake lever (6) rotates, the hole of the upper brake lever (6) moves circularly and generates displacement in the vertical direction, and at the moment, the fine adjustment lever (10) moves up and down to counteract the displacement in the vertical direction under the action of acting force, so that the brake pin (12) is ensured to move horizontally. When the brake is released, the brake cylinder (4) contracts under the action of hydraulic oil to compress the brake spring (5), and at the moment, the actions of all parts are opposite to those during the brake, so that the function is realized.
As shown in figure 1, the speed limiting unit consists of a rotating device (15), a speed limiter (16), a speed limiting pulley (17), a pressure relief valve (18) and a valve block fixing seat (19). The pressure release valve (18) is fixedly connected with a valve block fixing seat (19), the speed limiting pulleys (17) are installed on the speed limiter (16) and are all fixed on the bearing frame (3), and the rotating device (15) is fixed on the speed limiter (16) and props against the pulleys on the pressure release valve (18).
The speed limiting process is as follows:
under normal state, the switch of the pressure release valve (18) is closed, the pressure release valve (18) is connected with the brake oil cylinder (4) through an oil return pipeline to pressurize the brake oil cylinder (4), hydraulic oil in the cylinder body flows out through the oil return pipeline, the brake spring (5) is in a compression state, the brake pad (13) is not in contact with a rail, and the locomotive normally runs. Under the condition of overspeed, under the action of centrifugal force, the speed-limiting pulley (17) drives the speed limiter (16) to rotate in an overspeed mode, a spring inside the speed limiter (16) is extruded, a speed-limiting pin in the speed limiter (16) is exposed to knock the rotating device (15), the rotating device (15) deviates from a pressure relief valve pulley, a switch of a pressure relief valve (18) is opened, the pressure relief valve (18) is connected with the brake oil cylinder (4) through an oil inlet pipeline, the brake oil cylinder (4) relieves pressure, hydraulic oil flows into a cylinder body through the oil inlet pipeline, the brake spring (5) is in an open state, and a brake pad (13) clamps a track to realize an emergency braking function.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications are also considered to be within the scope of the present invention.
Claims (3)
1. A monorail crane double-brake device is characterized in that: including bearing unit, brake unit, speed limit unit, wherein:
the bearing unit consists of bearing wheels (1), bearing wheel shafts (2) and a bearing frame (3), wherein the bearing wheels (1) are fixed at two ends of the bearing frame (3) through the bearing wheel shafts (2), one end of the bearing frame (3) is provided with two bearing wheels (1), and the other end of the bearing frame is provided with one bearing wheel (1) which are fixed oppositely;
the brake unit comprises a brake cylinder (4), a brake spring (5), two groups of brake levers (6), a first brake lever pin (7), a second brake lever pin (8), a third brake lever pin (9), a fine adjustment lever (10), a fine adjustment lever pin (11), a brake pin (12), a brake pad (13) and a brake pad U-shaped clamp (14), the brake unit is arranged at two ends of a bearing frame (3), flanges are arranged at two ends of the brake cylinder (4), the brake spring (5) is arranged between the two flanges, connecting holes at two ends of the brake cylinder (4) are connected with a lower end hole of the brake lever (6) through the first brake lever pin (7), a middle hole of the brake lever (6) is connected with one end of the fine adjustment lever (10) through the second brake lever pin (8), and the other end of the fine adjustment lever (10) is connected with the bearing frame (3) through the fine adjustment lever pin (11), the upper end hole of the brake lever (6) is connected with the tail end hole of the brake pin (12) through the third brake lever pin (9), the other end of the brake pin (12) is of a hemispherical structure, a groove is formed between the hemispherical structure and the brake pin (12), and the brake pad U-shaped clamp (14) fixes the brake pad (13) through the groove;
the speed limiting unit is composed of a rotating device (15), a speed limiter (16), a speed limiting pulley (17), a pressure relief valve (18) and a valve block fixing seat (19), the pressure relief valve (18) is fixedly connected with the valve block fixing seat (19), the speed limiting pulley (17) is installed on the speed limiter (16) and is fixed on a bearing frame (3), and the rotating device (15) is fixed on the speed limiter (16) and abuts against a pulley on the pressure relief valve (18).
2. The double-brake device of the monorail crane as defined in claim 1, wherein: the brake pad (13) rotates at the hemispherical structure end of the brake pin (12).
3. A monorail crane double-brake device as defined in claim 1 or 2, wherein: the ends of the first brake lever pin (7), the second brake lever pin (8), the third brake lever pin (9) and the fine adjustment lever pin (11) are fixed by a flat washer (20) and a split pin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198926.6U CN216805458U (en) | 2022-01-25 | 2022-01-25 | Double-brake device of monorail crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198926.6U CN216805458U (en) | 2022-01-25 | 2022-01-25 | Double-brake device of monorail crane |
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| CN216805458U true CN216805458U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220198926.6U Active CN216805458U (en) | 2022-01-25 | 2022-01-25 | Double-brake device of monorail crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117023384A (en) * | 2023-10-07 | 2023-11-10 | 汶上义桥煤矿有限责任公司 | Adjustable monorail crane protection equipment |
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2022
- 2022-01-25 CN CN202220198926.6U patent/CN216805458U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117023384A (en) * | 2023-10-07 | 2023-11-10 | 汶上义桥煤矿有限责任公司 | Adjustable monorail crane protection equipment |
| CN117023384B (en) * | 2023-10-07 | 2024-01-09 | 汶上义桥煤矿有限责任公司 | Adjustable monorail crane protection equipment |
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