CN103482477A - Hydraulic control system of monorail crane locomotive - Google Patents
Hydraulic control system of monorail crane locomotive Download PDFInfo
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Abstract
A hydraulic control system of a monorail crane locomotive provided by the invention relates to a hydraulic control system for mining transport equipment. The invention aims to provide a space-saving, high-efficiency and safe hydraulic control system of the monorail crane locomotive. The hydraulic control system of the monorail crane locomotive provided by the invention comprises a main pump control loop, a walking and speed switching loop, a clamping loop, a brake loop, a starting loop and a cooling loop. The main pump control loop comprises a diesel oil engine, a bidirectional variable displacement pump, an oil supplement pump and a variable mechanism. The diesel oil engine is used for driving the bidirectional variable pump and the oil supplement pump to generate high pressure oil; and the variable mechanism is used for controlling the displacement and output direction of the bidirectional variable displacement pump.
Description
Technical field
The present invention relates to a kind of hydraulic control system of mining transportation equipment, particularly relate to a kind of monorail crane locomotive hydraulic control system for the drive transportation.
Background technology
Along with the application of new science and technology at coal industry field, the construction of safety, highly efficient and productive Modern Pit, the up-to-dateness of assistant conveyance becomes the important indicator of weighing the modern level in a colliery, and the efficiency of assistant conveyance directly affects mine production efficiency simultaneously.Therefore the assistant conveyance mode that develops efficient quick is a vital task of China's coal-mine industrial construction.More and more demonstrate its advantage as the monorail crane Stady On The Auxiliary Transportation Systems of one of high-yield and high-efficiency assistant conveyance, it is not subject to the impact of base plate condition, and the belt heading arrangement convenience is saved space, and conveying efficiency is high.The fully mechanized coal face removal of home work of falling the face that past one month just can complete, utilize the monorail crane locomotive hydraulic control system to complete in one week, greatly improved the efficiency of assistant conveyance, thereby improved full efficiency.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of space, efficient, safe monorail crane locomotive hydraulic control system of saving.
Monorail crane locomotive hydraulic control system of the present invention, comprise main pump control loop, walking and speed switching circuit, Clamping Circuit, brake circuit, startup loop and cooling loop, wherein said main pump control loop comprises diesel motor, two way variable displacement pump, slippage pump and stroking mechanism, described diesel motor is for driving two way variable displacement pump and slippage pump to produce high pressure oil, and described stroking mechanism is for controlling bidirectional variable capacity of pump and outbound course;
Described walking and speed switching circuit comprise some HM Hydraulic Motor, Speed Switch Valve and fault control valve group, wherein the described HM Hydraulic Motor of part is directly parallel in two actuator ports of two way variable displacement pump, the remainder HM Hydraulic Motor is connected in parallel on two actuator ports of two way variable displacement pump by fault control valve group, described Speed Switch Valve is two position and four-way reversing valves, its oil inlet is connected with two actuator ports of two way variable displacement pump by shuttle valve, its return opening is connected with fuel tank, two actuator port is connected with fault control valve group, the part HM Hydraulic Motor that described Speed Switch Valve makes two way variable displacement pump drive fault control valve group to be connected for controlling fault control valve group,
Described Clamping Circuit comprises the first check valve, the second check valve, some clamping oil cylinders, the first shutoff valve and the first energy storage, the oil inlet of described the first check valve and the second check valve is connected with two actuator ports of two way variable displacement pump respectively, be connected with some clamping oil cylinders and the first energy storage after being connected between the oil outlet of the first check valve and the second check valve, and be connected with fuel tank by the first shutoff valve;
Described brake circuit comprises the first fix-displacement pump, two-bit triplet electromagnetic valve and some brake cylinders, described the first fix-displacement pump passes through diesel engine drives, the oil inlet of described two-bit triplet electromagnetic valve and return opening are connected with oil outlet and the fuel tank of the first fix-displacement pump respectively, and the actuator port of two-bit triplet electromagnetic valve is connected with the brake cylinder of some parallel connections;
Described startup loop comprises the second energy storage, hydraulic hand-pump, two four-way hand change over valves and hydraulic starter, described the second energy storage is connected with the oil inlet of two four-way hand change over valves, the actuator port of described two four-way hand change over valves is connected with hydraulic starter, and the oil outlet of described hydraulic hand-pump is connected between the second energy storage and two four-way hand change over valves by the 3rd check valve;
Described cooling loop comprises the second fix-displacement pump, the 3rd fix-displacement pump, radiator inner loop motor and radiator external fan motor, described the second fix-displacement pump and the 3rd fix-displacement pump are by diesel engine drives, and the oil outlet of the second fix-displacement pump and the 3rd fix-displacement pump is connected with the oil inlet of radiator inner loop motor and radiator external fan motor respectively.
Monorail crane locomotive hydraulic control system of the present invention, wherein said fault control valve group comprises first, the second and the 3rd two-way plug-in valve, one of them actuator port of described Speed Switch Valve is connected with the control mouth X of the first two-way plug-in valve and the second two-way plug-in valve, another actuator port of Speed Switch Valve is connected with the control mouth X of the 3rd two-way plug-in valve, the hydraulic fluid port B of described the first two-way plug-in valve and the second two-way plug-in valve is connected with two actuator ports of two way variable displacement pump respectively, another hydraulic fluid port A of the first two-way plug-in valve is connected with the hydraulic fluid port B of the 3rd two-way plug-in valve and is connected with one of them actuator port of HM Hydraulic Motor, another hydraulic fluid port A of the second two-way plug-in valve is connected with another hydraulic fluid port A of the 3rd two-way plug-in valve and is connected with another actuator port of HM Hydraulic Motor.
Monorail crane locomotive hydraulic control system of the present invention, the oil outlet of wherein said the first check valve and the second check valve is connected with fuel tank by filter, flow regulating valve and safety valve successively.
Monorail crane locomotive hydraulic control system of the present invention, two actuator ports of wherein said two way variable displacement pump are connected with flush valve.
Monorail crane locomotive hydraulic control system of the present invention, wherein said the second energy storage is connected with the oil inlet of two-bit triplet electromagnetic valve.
Monorail crane locomotive hydraulic control system of the present invention, the oil outlet of wherein said hydraulic hand-pump is connected with the oil inlet of two-bit triplet electromagnetic valve by the 3rd check valve.
Monorail crane locomotive hydraulic control system difference from prior art of the present invention is monorail crane locomotive hydraulic control system main pump control loop of the present invention, walking and speed switching circuit, Clamping Circuit, brake circuit, startup loop and cooling loop, and wherein the stroking mechanism in the main pump control loop is for controlling bidirectional variable capacity of pump and outbound course; Wherein the HM Hydraulic Motor in walking and speed switching circuit is rotated under the delivery pressure of two way variable displacement pump drives, thereby the drive wheel that drives monorail crane locomotive rotates and makes monorail crane locomotive along track travel, Speed Switch Valve and fault control valve group for control two way variable displacement pump and the part HM Hydraulic Motor between break-make, thereby change the running velocity of monorail crane locomotive; Wherein the clamping oil cylinder in Clamping Circuit provides gripping power to the drive wheel on monorail crane locomotive under the delivery pressure of two way variable displacement pump, and drive wheel is close on the track web, avoids drive wheel and track to skid; Thereby the first fix-displacement pump wherein in brake circuit by two position four-way solenoid valves to providing hydraulic oil that brake cylinder is shunk to remove the braking force between brake system and track on monorail crane locomotive in brake cylinder, monorail crane locomotive can be walked in orbit, when needs provide braking force to monorail crane locomotive, controlling two position four-way solenoid valves makes brake cylinder be connected with fuel tank, open under the effect of brake cylinder retarding spring in brake system, make brake shoe in brake system step up the track web braking force is provided; Wherein start loop and utilize the second energy storage to provide hydraulic pressure to hydraulic starter, make hydraulic starter drive the diesel motor starting ignition; Wherein cooling loop utilizes the second fix-displacement pump and the 3rd fix-displacement pump to drive respectively radiator inner loop motor and radiator external fan motor, radiator inner loop motor drives the heat eliminating medium in radiator to circulate, and radiator external fan motor drives the radiator fan rotation to be lowered the temperature to radiator.
Below in conjunction with accompanying drawing, monorail crane locomotive hydraulic control system of the present invention is described further.
The accompanying drawing explanation
The hydraulic schematic diagram that Fig. 1 is monorail crane locomotive hydraulic control system of the present invention;
Fig. 2 is walking and the hydraulic schematic diagram of speed switching circuit in monorail crane locomotive hydraulic control system of the present invention;
Fig. 3 is Clamping Circuit hydraulic schematic diagram in monorail crane locomotive hydraulic control system of the present invention.
Fig. 4 is brake circuit hydraulic schematic diagram in monorail crane locomotive hydraulic control system of the present invention;
Fig. 5 starts the loop hydraulic schematic diagram in monorail crane locomotive hydraulic control system of the present invention;
Fig. 6 is cooling loop first hydraulic schematic diagram in monorail crane locomotive hydraulic control system of the present invention;
Fig. 7 is cooling loop second portion hydraulic schematic diagram in monorail crane locomotive hydraulic control system of the present invention.
The specific embodiment
As shown in Figure 1, monorail crane locomotive hydraulic control system of the present invention comprises main pump control loop, walking and speed switching circuit, Clamping Circuit, brake circuit, startup loop and cooling loop.The main pump control loop comprises diesel motor 1, two way variable displacement pump 2, slippage pump 3 and stroking mechanism 4, diesel motor 1 is for driving two way variable displacement pump 2 and slippage pump 3 to produce high pressure oil, discharge capacity and the outbound course of stroking mechanism 4 for controlling two way variable displacement pump 2, thus the speed of travel and the direction of travel of monorail crane locomotive can be controlled.
Shown in Fig. 2, walking and speed switching circuit comprise 10 HM Hydraulic Motor 5, Speed Switch Valve 6 and fault control valve group 7, wherein 4 HM Hydraulic Motor 5 are directly parallel in two actuator ports of two way variable displacement pump 2, Speed Switch Valve 6 is two position and four-way reversing valves, its oil inlet is connected with two actuator ports of two way variable displacement pump 2 by shuttle valve 8, its return opening is connected with fuel tank, fault control valve group 7 comprises first, the second and the 3rd two-way plug-in valve, one of them actuator port of Speed Switch Valve 6 is connected with the control mouth X of the first two-way plug-in valve 26 and the second two-way plug-in valve 27, another actuator port of Speed Switch Valve 6 is connected with the control mouth X of the 3rd two-way plug-in valve 28, the hydraulic fluid port B of the first two-way plug-in valve 26 and the second two-way plug-in valve 27 is connected with two actuator ports of two way variable displacement pump 2 respectively, another hydraulic fluid port A of the first two-way plug-in valve 26 is connected with the hydraulic fluid port B of the 3rd two-way plug-in valve 28 and is connected with one of them actuator port of HM Hydraulic Motor 5, another hydraulic fluid port A of the second two-way plug-in valve 27 is connected with another hydraulic fluid port A of the 3rd two-way plug-in valve 28 and is connected with another actuator port of HM Hydraulic Motor.The oil outlet of the first check valve 9 and the second check valve 10 is connected with fuel tank by filter 29, flow regulating valve 30 and safety valve 31 successively, and two actuator ports of two way variable displacement pump 2 are connected with flush valve 32.
Two way variable displacement pump 2 directly supplies high pressure oil to 4 HM Hydraulic Motor 5 that are connected with its actuator port, drive these 4 HM Hydraulic Motor, 5 work to make monorail crane locomotive along track travel, the electromagnetic valve of Speed Switch Valve 6 is when dead electricity, the high-pressure work hydraulic fluid port of two way variable displacement pump 2 is connected with the control mouth X of the 3rd two-way plug-in valve 28 by shuttle valve 8 and Speed Switch Valve 6, two hydraulic fluid port A of the 3rd two-way plug-in valve 28, between B, seal, the control mouth X Negotiation speed transfer valve 6 of the first two-way plug-in valve 26 and the second two-way plug-in valve 27 is connected with fuel tank, two hydraulic fluid port A of the first two-way plug-in valve 26 and the second two-way plug-in valve 27, between B, be communicated with respectively, two actuator ports of two way variable displacement pump 2 are connected with the actuator port of all the other 6 HM Hydraulic Motor 5 by the first two-way plug-in valve 26 and the second two-way plug-in valve 27 respectively, now, 10 HM Hydraulic Motor 5 task driven monorail crane locomotive walkings simultaneously.If only need 5 work of 4 HM Hydraulic Motor, can be to the electromagnetic valve energising of Speed Switch Valve 6, the high-pressure work hydraulic fluid port of two way variable displacement pump 2 is connected with the control mouth X of the first two-way plug-in valve 26 and the second two-way plug-in valve 27 by shuttle valve 8 and Speed Switch Valve 6, two hydraulic fluid port A of the first two-way plug-in valve 26 and the second two-way plug-in valve 27, between B, seal, the high pressure oil of two way variable displacement pump 2 can not be entered in 6 HM Hydraulic Motor, and the control mouth X Negotiation speed transfer valve 6 of the 3rd two-way plug-in valve 28 is connected with fuel tank, the 3rd 28 two of two-way plug-in valves hydraulic fluid port A, be communicated with the short circuit that is connected of the actuator port make 6 HM Hydraulic Motor between B, now, only have 4 HM Hydraulic Motor, the 5 task driven monorail crane locomotive walkings that directly are communicated with two way variable displacement pump 2.
Shown in Fig. 3, Clamping Circuit comprises the first check valve 9, the second check valve 10, some clamping oil cylinders 11, the first shutoff valve 12 and the first energy storage 13, the oil inlet of the first check valve 9 and the second check valve 10 is connected with two actuator ports of two way variable displacement pump 2 respectively, be connected with some clamping oil cylinders 11 and the first energy storage 13 after being connected between the oil outlet of the first check valve 9 and the second check valve 10, and be connected with fuel tank by the first shutoff valve 12.The high pressure oil that two way variable displacement pump 2 actuator ports produce enters in clamping oil cylinder 11 by the first check valve 9 or the second check valve 10, drive clamping oil cylinder 11 to provide gripping power to the drive wheel of monorail crane locomotive, improve the friction force between drive wheel and track web, avoid drive wheel to skid.The first energy storage 13 keeps stable for the hydraulic coupling that makes clamping oil cylinder 11, and the first shutoff valve 12 is for carrying out off-load to clamping oil cylinder 11.
Shown in Fig. 4, brake circuit comprises the first fix-displacement pump 14, two-bit triplet electromagnetic valve 15 and some brake cylinders 16, the first fix-displacement pump 14 drives by diesel motor 1, the oil inlet of two-bit triplet electromagnetic valve 15 and return opening are connected with oil outlet and the fuel tank of the first fix-displacement pump 14 respectively, and the actuator port of two-bit triplet electromagnetic valve 15 is connected with the brake cylinder of some parallel connections 16.The second energy storage 17 is connected with the oil inlet of two-bit triplet electromagnetic valve 15, and the oil outlet of hydraulic hand-pump 18 is connected with the oil inlet of two-bit triplet electromagnetic valve 15 by the 3rd check valve 21.When two-bit triplet electromagnetic valve 15 when electric, the oil outlet of the first fix-displacement pump 14 is connected with brake cylinder 16, the pressure oil that the first fix-displacement pump 14 produces enters in brake cylinder 16, the piston rod of brake cylinder 16 shrinks the brake shoe on monorail crane locomotive is opened to both sides, braking force between monorail crane locomotive and track is removed, can be along orbital motion.When manual control or locomotive speed-limiting device control two-bit triplet electromagnetic valve 15 dead electricity, brake cylinder 16 is connected with fuel tank, under the effect of locomotive brake spring, the piston rod of brake cylinder 16 trails, brake shoe on monorail crane locomotive is close to centre, and brake shoe is tight against by orbit monorail crane locomotive being produced to braking force.The second energy storage 17 is for keeping the stability of brake cylinder 16 hydraulic couplings, and hydraulic hand-pump 18 also can provide hydraulic coupling to remove the braking force of monorail crane locomotive in brake cylinder 16 simultaneously.
Shown in Fig. 5, start loop and comprise the second energy storage 17, hydraulic hand-pump 18, two four-way hand change over valves 19 and hydraulic starters 20, the second energy storage 17 is connected with the oil inlet of two four-way hand change over valves 19, the actuator port of two four-way hand change over valves 19 is connected with hydraulic starter 20, and the oil outlet of hydraulic hand-pump 18 is connected between the second energy storage 17 and two four-way hand change over valves 19 by the 3rd check valve 21.Controlling two four-way hand change over valves 19 makes the second energy storage 17 be communicated with hydraulic starter 20, the second energy storage 17 provides hydraulic coupling in hydraulic starter 20, make hydraulic starter 20 drive diesel motor 1 starting ignition, also can provide hydraulic coupling in hydraulic starter 20 by hydraulic hand-pump 18.
Shown in Fig. 6 and Fig. 7, cooling loop comprises the second fix-displacement pump 22, the 3rd fix-displacement pump 23, radiator inner loop motor 24 and radiator external fan motor 25, the second fix-displacement pump 22 and the 3rd fix-displacement pump 23 drive by diesel motor 1, and the oil outlet of the second fix-displacement pump 22 and the 3rd fix-displacement pump 23 is connected with the oil inlet of radiator inner loop motor 24 and radiator external fan motor 25 respectively.The second fix-displacement pump 22 drives 24 work of radiator inner loop motor, radiator inner loop motor 24 provides power that cooling media in radiator is circulated between radiator and diesel motor, freeing pipe, waste gas treatment tank, thereby carries out cooling to diesel motor, freeing pipe, waste gas treatment tank.The 3rd fix-displacement pump 23 drives 25 work of radiator external fan motor, and radiator external fan motor 25 drives radiator fan the cooling media in radiator is carried out to the active cooling, improves the cooling effectiveness of cooling media.
Above-described embodiment is described the preferred embodiment of the present invention; not scope of the present invention is limited; design under the prerequisite of spirit not breaking away from the present invention; various distortion and improvement that those of ordinary skills make technical scheme of the present invention, all should fall in the definite protection domain of the claims in the present invention book.
Claims (6)
1. a monorail crane locomotive hydraulic control system, comprise main pump control loop, walking and speed switching circuit, Clamping Circuit, brake circuit, startup loop and cooling loop, wherein is characterised in that:
Described main pump control loop comprises diesel motor (1), two way variable displacement pump (2), slippage pump (3) and stroking mechanism (4), described diesel motor (1) is for driving two way variable displacement pump (2) and slippage pump (3) to produce high pressure oil, and described stroking mechanism (4) is for controlling discharge capacity and the outbound course of two way variable displacement pump (2);
Described walking and speed switching circuit comprise some HM Hydraulic Motor (5), Speed Switch Valve (6) and fault control valve group (7), wherein the described HM Hydraulic Motor of part (5) is directly parallel in two actuator ports of two way variable displacement pump (2), remainder HM Hydraulic Motor (5) is connected in parallel on two actuator ports of two way variable displacement pump (2) by fault control valve group (7), described Speed Switch Valve (6) is two position and four-way reversing valves, its oil inlet is connected with two actuator ports of two way variable displacement pump (2) by shuttle valve (8), its return opening is connected with fuel tank, two actuator port is connected with fault control valve group (7), the part HM Hydraulic Motor (5) that described Speed Switch Valve (6) makes two way variable displacement pump (2) drive fault control valve group (7) to be connected for controlling fault control valve group (7),
Described Clamping Circuit comprises the first check valve (9), the second check valve (10), some clamping oil cylinders (11), the first shutoff valve (12) and the first energy storage (13), the oil inlet of described the first check valve (9) and the second check valve (10) is connected with two actuator ports of two way variable displacement pump (2) respectively, be connected with some clamping oil cylinders (11) and the first energy storage (13) after being connected between the oil outlet of the first check valve (9) and the second check valve (10), and be connected with fuel tank by the first shutoff valve (12);
Described brake circuit comprises the first fix-displacement pump (14), two-bit triplet electromagnetic valve (15) and some brake cylinders (16), described the first fix-displacement pump (14) drives by diesel motor (1), the oil inlet of described two-bit triplet electromagnetic valve (15) and return opening are connected with oil outlet and the fuel tank of the first fix-displacement pump (14) respectively, and the actuator port of two-bit triplet electromagnetic valve (15) is connected with the brake cylinder (16) of some parallel connections;
Described startup loop comprises the second energy storage (17), hydraulic hand-pump (18), two four-way hand change over valves (19) and hydraulic starter (20), described the second energy storage (17) is connected with the oil inlet of two four-way hand change over valves (19), the actuator port of described two four-way hand change over valves (19) is connected with hydraulic starter (20), and the oil outlet of described hydraulic hand-pump (18) is connected between the second energy storage (17) and two four-way hand change over valves (19) by the 3rd check valve (21);
Described cooling loop comprises the second fix-displacement pump (22), the 3rd fix-displacement pump (23), radiator inner loop motor (24) and radiator external fan motor (25), described the second fix-displacement pump (22) and the 3rd fix-displacement pump (23) drive by diesel motor (1), and the oil outlet of the second fix-displacement pump (22) and the 3rd fix-displacement pump (23) is connected with the oil inlet of radiator inner loop motor (24) and radiator external fan motor (25) respectively.
2. monorail crane locomotive hydraulic control system according to claim 1, it is characterized in that: described fault control valve group (7) comprises first, the second and the 3rd two-way plug-in valve, one of them actuator port of described Speed Switch Valve (6) is connected with the control mouth X of the first two-way plug-in valve (26) and the second two-way plug-in valve (27), another actuator port of Speed Switch Valve (6) is connected with the control mouth X of the 3rd two-way plug-in valve (28), the hydraulic fluid port B of described the first two-way plug-in valve (26) and the second two-way plug-in valve (27) is connected with two actuator ports of two way variable displacement pump (2) respectively, another hydraulic fluid port A of the first two-way plug-in valve (26) is connected with the hydraulic fluid port B of the 3rd two-way plug-in valve (28) and is connected with one of them actuator port of HM Hydraulic Motor (5), another hydraulic fluid port A of the second two-way plug-in valve (27) is connected and is connected with another actuator port of HM Hydraulic Motor with another hydraulic fluid port A of the 3rd two-way plug-in valve (28).
3. monorail crane locomotive hydraulic control system according to claim 2, it is characterized in that: the oil outlet of described the first check valve (9) and the second check valve (10) is connected with fuel tank by filter (29), flow regulating valve (30) and safety valve (31) successively.
4. monorail crane locomotive hydraulic control system according to claim 3, it is characterized in that: two actuator ports of described two way variable displacement pump (2) are connected with flush valve (32).
5. monorail crane locomotive hydraulic control system according to claim 1, it is characterized in that: described the second energy storage (17) is connected with the oil inlet of two-bit triplet electromagnetic valve (15).
6. monorail crane locomotive hydraulic control system according to claim 1, it is characterized in that: the oil outlet of described hydraulic hand-pump (18) is connected with the oil inlet of two-bit triplet electromagnetic valve (15) by the 3rd check valve (21).
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| CN201310467562.2A CN103482477B (en) | 2013-10-09 | 2013-10-09 | Hydraulic control system of monorail crane locomotive |
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| CN201310467562.2A CN103482477B (en) | 2013-10-09 | 2013-10-09 | Hydraulic control system of monorail crane locomotive |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930006A (en) * | 2015-06-12 | 2015-09-23 | 力源液压（苏州）有限公司 | Variable displacement control device of hydraulic pump |
| CN105217469A (en) * | 2015-10-23 | 2016-01-06 | 徐州华东机械有限公司 | A kind of new forms of energy hydraulic direct-drive monorail crane locomotive |
| CN105864133A (en) * | 2016-06-17 | 2016-08-17 | 沙尔夫矿山机械（徐州）有限公司 | Novel diesel engine monorail crane hydraulic system |
| CN114771597A (en) * | 2022-06-21 | 2022-07-22 | 徐州徐工基础工程机械有限公司 | Brake control system of monorail crane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499408B1 (en) * | 2002-04-02 | 2002-12-31 | Robert Kundel, Sr. | Rail support assembly for monorail crane |
| CN102410267A (en) * | 2011-11-03 | 2012-04-11 | 徐州雷曼机械科技有限公司 | Synchronous control device of revolving speed of hydraulic walking mechanism engine and discharge of main pump |
| CN202500842U (en) * | 2012-03-17 | 2012-10-24 | 江苏中机矿山设备有限公司 | Double-valve controlled hydraulic circuit system for monorail crane |
| CN202789790U (en) * | 2012-03-17 | 2013-03-13 | 江苏中机矿山设备有限公司 | Hydraulic loop system with single valve control and monorail crane |
| CN203172628U (en) * | 2013-04-19 | 2013-09-04 | 北京凯润机电设备制造有限责任公司 | Monorail crane with explosion-proof diesel engine |
| CN203497947U (en) * | 2013-10-09 | 2014-03-26 | 安徽中捷矿山运输设备有限责任公司 | Monorail hoist hydraulic control system |
-
2013
- 2013-10-09 CN CN201310467562.2A patent/CN103482477B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6499408B1 (en) * | 2002-04-02 | 2002-12-31 | Robert Kundel, Sr. | Rail support assembly for monorail crane |
| CN102410267A (en) * | 2011-11-03 | 2012-04-11 | 徐州雷曼机械科技有限公司 | Synchronous control device of revolving speed of hydraulic walking mechanism engine and discharge of main pump |
| CN202500842U (en) * | 2012-03-17 | 2012-10-24 | 江苏中机矿山设备有限公司 | Double-valve controlled hydraulic circuit system for monorail crane |
| CN202789790U (en) * | 2012-03-17 | 2013-03-13 | 江苏中机矿山设备有限公司 | Hydraulic loop system with single valve control and monorail crane |
| CN203172628U (en) * | 2013-04-19 | 2013-09-04 | 北京凯润机电设备制造有限责任公司 | Monorail crane with explosion-proof diesel engine |
| CN203497947U (en) * | 2013-10-09 | 2014-03-26 | 安徽中捷矿山运输设备有限责任公司 | Monorail hoist hydraulic control system |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104930006A (en) * | 2015-06-12 | 2015-09-23 | 力源液压（苏州）有限公司 | Variable displacement control device of hydraulic pump |
| CN104930006B (en) * | 2015-06-12 | 2017-01-11 | 力源液压（苏州）有限公司 | Variable displacement control device of hydraulic pump |
| CN105217469A (en) * | 2015-10-23 | 2016-01-06 | 徐州华东机械有限公司 | A kind of new forms of energy hydraulic direct-drive monorail crane locomotive |
| CN105864133A (en) * | 2016-06-17 | 2016-08-17 | 沙尔夫矿山机械（徐州）有限公司 | Novel diesel engine monorail crane hydraulic system |
| CN105864133B (en) * | 2016-06-17 | 2019-03-26 | 沙尔夫矿山机械（徐州）有限公司 | A kind of diesel engine monorail crane hydraulic system |
| CN114771597A (en) * | 2022-06-21 | 2022-07-22 | 徐州徐工基础工程机械有限公司 | Brake control system of monorail crane |
| CN114771597B (en) * | 2022-06-21 | 2022-09-02 | 徐州徐工基础工程机械有限公司 | Single track loop wheel machine braking control system |
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