CN214495530U - Hydraulic station of mining haulage winch - Google Patents
Hydraulic station of mining haulage winch Download PDFInfo
- Publication number
- CN214495530U CN214495530U CN202022587302.7U CN202022587302U CN214495530U CN 214495530 U CN214495530 U CN 214495530U CN 202022587302 U CN202022587302 U CN 202022587302U CN 214495530 U CN214495530 U CN 214495530U
- Authority
- CN
- China
- Prior art keywords
- brake
- valve
- pressure
- oil
- branches
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to a mining haulage winch hydraulic pressure station, including first brake circuit and second brake circuit, first brake circuit includes the first air-vent valve that is used for adjusting the oil pressure that gets into first brake disc, and first automatic circuit has through two parallelly connected pipelines, and two branches all have first hydraulic pump and first switching-over valve, and wherein, one of the first ring valve in two branches is the electromagnetism switching-over valve, and the other is manual ring valve; the second brake circuit includes a second pressure regulating valve for regulating oil pressure entering the second brake disc. The technical scheme and the disc brake are combined into a set of complete brake system, and pressure oil with stable flow and linearly adjustable pressure is provided for the disc brake, so that the winch can obtain different brake torques during braking, and the winch can normally run, regulate speed and stop. In an accident state (including power failure of the whole mine), hydraulic oil of the brake can be returned to the oil tank all at once, so that the brake can achieve a complete braking state.
Description
Technical Field
The utility model relates to a mining haulage winch, in particular to mining haulage winch hydraulic pressure station.
Background
The mining haulage winch is mechanical equipment which uses a steel wire rope wound on a winding drum to pull a load to move, the mining haulage winch generally adopts a hydraulic braking system, and the conventional mining haulage winch cannot achieve a complete braking state under an accident state (including power failure of the whole mine or emergency situation that hydraulic oil of the hydraulic braking system cannot return to an oil tank at one time, so that a greater accident can be caused, and potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can make hydraulic oil all get back to the oil tank under emergency, make the mining haulage winch hydraulic pressure station of hydraulic braking device braking completely.
In order to achieve the above object, the utility model provides a mining haulage winch hydraulic pressure station, including first brake circuit and second brake circuit, first brake circuit connects on at least one first brake disc, and the second circuit connects on the second brake disc, and first brake circuit includes the first air-vent valve that is used for adjusting the oil pressure that gets into the first brake disc, and first automatic circuit has through the pipeline two parallelly connected, and two branches all have first hydraulic pump and first switching-over valve, wherein, one of the first switching-over valve in two branches is the electromagnetic directional valve, and the other is the manual directional valve; the second brake circuit includes a second pressure regulating valve for regulating oil pressure entering the second brake disc.
Further, the first pressure regulating valve and the second pressure regulating valve are both remote pressure regulating valves.
Furthermore, the number of the first brake discs is two, the two first brake discs are connected in parallel through a pipeline, and a first pressure regulating valve is arranged on the pipeline in front of an oil inlet of the first brake disc.
Further, a second pressure regulating valve is arranged on a pipeline in front of the oil inlet of the second brake disc.
Furthermore, a third reversing valve and a fourth reversing valve are respectively connected to a pipeline between the first reversing valve and the first hydraulic pump of the two branches of the first brake circuit through pipelines.
Furthermore, the second brake circuit comprises two branches connected in parallel through a pipeline, the two branches are respectively provided with a second hydraulic pump and a first reversing valve, one of the first reversing valves in the two branches is an electromagnetic reversing valve, and the other one of the first reversing valves in the two branches is a manual reversing valve.
Furthermore, a fifth reversing valve and a sixth reversing valve are respectively connected to a pipeline between the second reversing valve of the two branches of the second brake circuit and the second hydraulic pump through pipelines.
Compared with the prior art, the utility model discloses following technological effect has:
the utility model discloses hydraulic pressure station has two sets of controlling means: one set of electromagnetic control system controls the electromagnetic valve to control the oil path to the brake cylinder by the electric control system, and controls the brake to open and close by the operating console button; one set is a hydraulic manual control device, an oil path is controlled by a manual reversing valve to the oil cylinder, and the opening and closing of a brake are controlled by a remote pressure regulating valve. The hydraulic station is an important safety and control part of the haulage winch, and the hydraulic station and the disc brake are combined into a set of complete brake system to provide pressure oil with stable flow and linearly adjustable pressure for the disc brake, so that the winch can brake to obtain different brake torques, and the winch can normally run, regulate the speed and stop. In an accident state (including power failure of the whole mine), hydraulic oil of the brake can return to the oil tank all at once, so that the brake can reach a complete braking state.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention. In the figure:
fig. 1 is a working principle diagram of the hydraulic station of the mining haulage winch according to the utility model.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be embodied in many different forms and covered by the claims.
The present invention will be described in detail with reference to fig. 1, wherein the hydraulic station of the mining haulage winch according to a preferred embodiment of the present invention includes a first control circuit 1a and a second control circuit 1b, the first control circuit is connected to at least one first brake disc 2a of the winch brake, the number of the first brake discs 2a of the present embodiment is two, the first brake discs are connected in parallel through a pipe 3, the first brake circuit has a first pressure regulating valve 4a, the first pressure regulating valve 4a is used for regulating the pressure of the hydraulic oil entering the brake discs, the first pressure regulating valve 4a is not limited to a pressure reducing valve, and a remote pressure regulating valve is used. The second control circuit 1b is connected to the second brake disk 2b, and has a second pressure regulating valve 4b, and similarly, the second pressure regulating valve 4b is used to regulate the pressure of the hydraulic oil entering the brake disk, and the second pressure regulating valve 4b is not limited to a pressure reducing valve, and a remote pressure regulating valve is used.
The first control circuit is provided with a first hydraulic pump 5a1 and a first hydraulic pump 5a2, the suction sides of the first hydraulic pump 5a1 and the first hydraulic pump 5a2 are connected with the oil cylinders through suction pipelines, the corresponding conveying sides are respectively connected with a first reversing valve 7a1 and a first reversing valve 7a2 through a pipeline 6a1 and a pipeline 6a2, one of the first reversing valve 7a1 and the first reversing valve 7a2 is an electromagnetic reversing valve, the other is a manual reversing valve, in the embodiment, the reversing valve 7a1 is an electromagnetic reversing valve, and the reversing valve 637 a2 is a manual reversing valve. The pipeline 6a1 and the pipeline 6a2 are correspondingly provided with a check valve 8a1 and a check valve 8a2 for preventing the backflow of the hydraulic oil, and the check valve 8a1 and the check valve 8a2 are respectively provided with a filter between the first hydraulic pump 5a1 and the first hydraulic pump 5a2, so that impurities are prevented from entering the valves. A third pressure regulating valve 10a1 and a fourth pressure regulating valve 10a2 are connected between filters on the corresponding pipelines of the check valve 8a1 and the check valve 8a2, namely pipelines before oil inlets of the check valve 8a1 and the check valve 8a2 through pipelines 9a1 and 9a2 respectively, and pressure gauges are arranged on oil inlet pipelines of the third pressure regulating valve 10a1 and the fourth pressure regulating valve 10a2 to display oil pressure values. A throttle valve and a stop valve are arranged on a pipeline of the connecting pipeline 3 of the first reversing valve 7a1 and the first reversing valve 7a2, and the throttle valve of the embodiment adopts a one-way throttle valve.
The second control circuit is provided with a first hydraulic pump 5b1 and a first hydraulic pump 5b2, the suction sides of the second hydraulic pump 5b1 and the second hydraulic pump 5b2 are connected with the oil cylinders through suction pipelines, the corresponding delivery sides are respectively connected with a second reversing valve 7b1 and a second reversing valve 7b2 through a pipeline 6b1 and a pipeline 6b2, one of the second reversing valve 7b1 and the second reversing valve 7b2 is an electromagnetic reversing valve, the other is a manual reversing valve, in the embodiment, the second reversing valve 7b1 is an electromagnetic reversing valve, and the second reversing valve 7b2 is a manual reversing valve. A check valve 8b1 and a check valve 8b2 for preventing the backflow of the hydraulic oil are correspondingly arranged on the pipeline 6b1 and the pipeline 6b2, and a filter is respectively arranged between the check valve 8b1 and the check valve 8b2 corresponding to the second hydraulic pump 5b1 and the second hydraulic pump 5b2, so that impurities are prevented from entering the valves. Pressure gauges are arranged on oil inlet pipelines of a fifth pressure regulating valve 10b1 and a sixth pressure regulating valve 10b2, a third pressure regulating valve 10a1, a fourth pressure regulating valve 10a2, a fifth pressure regulating valve 10b1 and a sixth pressure regulating valve 10b2 respectively between filters on corresponding pipelines of the check valve 8a1 and the check valve 8a2, namely pipelines before oil inlets of the check valve 8b1 and the check valve 8b2 are connected through pipelines 9b1 and 9b2 respectively, so that oil pressure values can be displayed. A throttle valve and a stop valve are provided on the pipe lines of the second brake disc of the second direction changing valve 7b1 and the second direction changing valve 7b2, and the throttle valve of the present embodiment is a one-way throttle valve.
The first hydraulic pump 5a1 and the second hydraulic pump 5b1 may be disposed between them on a common shaft 12 of the motor 11, and the first hydraulic pump 5a2 and the second hydraulic pump 5b2 may be disposed between them on a common shaft 14 of the motor 13. So designed, when the motor 11 is started, the first hydraulic pump 5a1 and the second hydraulic pump 5b1 respectively supply oil to the first reversing valve 7a1 and the second reversing valve 7b 1; when the motor 13 is started, the first hydraulic pump 5a2 and the second hydraulic pump 5b2 supply oil to the respective first direction change valve 7a2 and second direction change valve 7b 2. The first hydraulic pumps 5a1 and 5a2 of the embodiment adopt a pump of 10ml/r, and the second hydraulic pump adopts a pump of 610ml/r, so that the first hydraulic pump can provide enough oil pressure for the first brake disc.
The utility model discloses a hydraulic pressure station can provide the pressure oil of different oil pressures for the disc brake. The change in oil pressure is regulated by a pressure regulating valve. When the system works normally, the electromagnet (manual reversing valve) is electrified (reversed), and enters the disc brake through the electromagnetic valve, the throttle valve and the high-pressure ball valve respectively; the winch driver can realize the change of oil pressure through a remote pressure regulating valve, thereby achieving the purpose of regulating the braking torque. When the remote pressure regulating valve closes, the system oil pressure rises. Opening a brake by the brake; when the remote pressure regulating valve is opened, the system oil pressure drops. Closing a brake; when the remote pressure regulating valve is fully opened, the oil pressure of the system is the lowest and is residual pressure. The winch is in a fully braked state.
When the system fails, such as power failure of the whole mine, the winch needs to realize emergency braking. At the moment, the remote pressure regulating valve is required to be regulated to be in an opening state, the oil pressure unloading and returning oil tank brake of the system is in a closing state, and the oil pressure is reduced to zero to realize braking.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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 (7)
1. A mining haulage winch hydraulic station comprises a first brake circuit and a second brake circuit, wherein the first brake circuit is connected to at least one first brake disc, the second brake circuit is connected to a second brake disc, the mining haulage winch hydraulic station is characterized in that the first brake circuit comprises a first pressure regulating valve used for regulating oil pressure entering the first brake disc, the first automatic circuit is provided with two parallel pipelines, two branches are provided with a first hydraulic pump and a first reversing valve, one of the first reversing valves in the two branches is an electromagnetic reversing valve, and the other is a manual reversing valve; the second brake circuit includes a second pressure regulating valve for regulating oil pressure entering the second brake disc.
2. The mining haulage winch hydraulic station of claim 1, wherein the first and second pressure regulating valves are remote pressure regulating valves.
3. The mining haulage winch hydraulic station of claim 2, wherein there are two first brake discs connected in parallel by a pipeline, and a first pressure regulating valve is disposed on the pipeline before the oil inlet of the first brake disc.
4. The mining haulage winch hydraulic station of claim 2, wherein a second pressure regulating valve is provided on a line before the oil inlet of the second brake disc.
5. The mining haulage winch hydraulic station of claim 1, wherein a third directional control valve and a fourth directional control valve are connected to a pipeline between the first directional control valve and the first hydraulic pump of the two branches of the first brake circuit through pipelines, respectively.
6. The mining haulage winch hydraulic station of claim 1, wherein the second brake circuit comprises two branches having two parallel branches connected by a pipe, each branch having a second hydraulic pump and a first directional control valve, wherein one of the first directional control valves in the two branches is an electromagnetic directional control valve and the other is a manual directional control valve.
7. The mining haulage winch hydraulic station of claim 1, wherein a fifth reversing valve and a sixth reversing valve are connected to a pipeline between the second reversing valve and the second hydraulic pump of the two branches of the second brake circuit through pipelines, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022587302.7U CN214495530U (en) | 2020-11-10 | 2020-11-10 | Hydraulic station of mining haulage winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022587302.7U CN214495530U (en) | 2020-11-10 | 2020-11-10 | Hydraulic station of mining haulage winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214495530U true CN214495530U (en) | 2021-10-26 |
Family
ID=78205544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022587302.7U Active CN214495530U (en) | 2020-11-10 | 2020-11-10 | Hydraulic station of mining haulage winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214495530U (en) |
-
2020
- 2020-11-10 CN CN202022587302.7U patent/CN214495530U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101475130B (en) | Hydraulic time-delay double-stage braking hoister hydraulic station | |
| US4240463A (en) | Safety valve actuator and pilot system | |
| CN102072320B (en) | Transmission hydraulic control system having clutch compensator feed override | |
| US7980072B2 (en) | Apparatus and method for energy recovery | |
| CN108217376B (en) | A kind of proportional pressure control valve perseverance deceleration safety arrestment redundant hydraulic station and its control method | |
| CN1007335B (en) | Tractor air pressure braking system | |
| CN203754325U (en) | Safety protection device for winch | |
| CN109399482B (en) | Winch control system | |
| CN108557675B (en) | A kind of safety arrestment redundancy perseverance deceleration hydraulic station and its control method | |
| CN214495530U (en) | Hydraulic station of mining haulage winch | |
| CN108249339B (en) | A kind of perseverance deceleration safety arrestment redundant hydraulic station and its control method | |
| AU2015208223B2 (en) | Method and mechanism for releasing hydraulic elevator brakes | |
| CN212131139U (en) | Emergency oil discharge device for hydraulic station | |
| CN108238561B (en) | Safety arrestment series redundancy two-stage brake hydraulic station and its control method | |
| CN108180187A (en) | Safety arrestment connection in series-parallel redundancy two-stage brake hydraulic station and its control method | |
| CN106744192B (en) | A kind of safety catch of pinion and-rack lifting device | |
| CN115013210A (en) | Explosion-proof diesel engine start control system | |
| CN114873461A (en) | Hydraulic control system for lifting beam of monorail crane and working method of hydraulic control system | |
| CN214495549U (en) | Brake of mining haulage winch | |
| CN110065901B (en) | Hydraulic device for braking of hoister | |
| JPS6025835A (en) | Antilock device of wheel | |
| CN2262119Y (en) | Oil pump assembly | |
| CN217051416U (en) | Winch hydraulic system and winch control system | |
| SE440891B (en) | HYDRAULIC BRAKING SYSTEM FOR VEHICLES, SPECIFICALLY LIGHTED RAILWAY VEHICLES | |
| US4775191A (en) | Hydraulic brake system for rail vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |