Spring hydraulic internal support type parking anti-running device

Abstract

The utility model discloses a spring hydraulic internal supporting type parking anti-running device which comprises an executing mechanism, the executing mechanism is connected with an integrated block assembly through an executing pipe, the integrated block assembly is connected with an oil pump assembly through a first connecting pipe, the integrated block assembly is connected with an oil tank, the oil tank is connected with the oil pump assembly, and the oil tank is further connected with an energy accumulator. The energy accumulator is connected with the integrated block assembly through a second connecting pipe; during braking, hydraulic oil in the oil cylinder returns to the oil tank through the overflow valve, so that the braking capacity of the parking anti-slip device is convenient to adjust, the applicability of equipment is expanded, anti-slip is reliably carried out on a vehicle, and the safety of operation of a hump shunting yard is improved. When a vehicle is relieved, the spring and the working spring are installed in the oil cylinder, the oil cylinder is of a single-action type, hydraulic oil in the oil cylinder returns to an oil tank through the reversing valve during relieving, and the oil cylinder is novel in design, compact and simple in structure and safe and reliable in work.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the parking anti -slip equipment technical field, concretely relates to spring hydraulic inner bracing type parking anti -slip device. BACKGROUND

[0002] At present, domestic railway hump yard tail is equipped with parking anti -slip equipment to prevent vehicle from slipping, and can be divided into electric, mechanical, hydraulic and pneumatic parking anti -slip device according to the power generation mode of parking anti -slip equipment, and the mechanical actuator of parking anti -slip device generally adopts inner bracing type structure, and each type of parking anti -slip device has respective characteristics and advantages, and from the application effect, there are some deficiencies, wherein the hydraulic spring type and electric spring type parking anti -slip device actuator adopts spring to implement braking and relief to vehicle, and the braking force of vehicle cannot be adjusted when the railway line slope, equipment use environment etc. change, so that the anti -slip needs of vehicle cannot be met, resulting in unsafe accidents of hump yard operation, and the braking and relief of full hydraulic type parking anti -slip device are realized by the movement of hydraulic cylinder, the cylinder is double-acting type, the hydraulic control system and cylinder structure are complex, the working reliability is greatly reduced, and the installation and maintenance are inconvenient, and the later maintenance cost is high. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing spring hydraulic inner bracing type parking anti -slip device, and solves the problem that the anti -slip needs of vehicle cannot be met when the environment changes in the prior art.

[0004] The utility model adopts the technical scheme, spring hydraulic inner bracing type parking anti -slip device, including actuator, the actuator is connected with integrated block assembly through execution pipe, integrated block assembly is connected with oil pump assembly through first connecting pipe, integrated block assembly is connected with oil tank, and the oil tank is connected with oil pump assembly, and the oil tank is also connected with energy accumulator, and the energy accumulator is connected with integrated block assembly through second connecting pipe.

[0005] The utility model has the characteristics that:

[0006] The top of oil tank is connected with protective cover, and integrated block assembly and energy accumulator are arranged in protective cover.

[0007] The actuator includes cylinder, the output end of cylinder is connected with brake rail, the push rod in cylinder is connected with spring, and the end of cylinder away from brake rail is connected with execution pipe.

[0008] The cylinder is connected with travel switch, and the travel switch is arranged close to brake rail.

[0009] The oil pump assembly includes oil pump, the oil pump is connected with filter through third connecting pipe, the oil pump is connected with motor, and the oil pump and filter are arranged in oil tank, and the oil pump is connected with fourth connecting pipe and first connecting pipe.

[0010] The integrated block assembly comprises an integrated block connected with an oil tank, the integrated block is arranged in a protective cover, the integrated block is connected with an execution pipe, a second connecting pipe and a first connecting pipe respectively, the integrated block is connected with a system check valve, the system check valve is arranged between an oil circuit of an accumulator and an oil pump, the integrated block is further connected with a reversing valve, a working check valve and a working stop valve, the reversing valve, the working check valve and the working stop valve are arranged on an oil inlet circuit of the oil cylinder, and the reversing valve is arranged close to the oil cylinder.

[0011] The integrated block is connected with a system overflow valve and a system stop valve, the system overflow valve and the system stop valve are arranged on the same oil circuit as the working stop valve, the oil tank is connected with an air filter, and the air filter is arranged on the top of the oil tank.

[0012] The integrated block is connected with a pressure controller and a system pressure measuring connector.

[0013] The integrated block is connected with a working overflow valve and a working pressure measuring connector, and the working overflow valve and the working pressure measuring connector are arranged on a branch oil circuit between the oil cylinder and the reversing valve.

[0014] The spring hydraulic inner support type parking anti-slip device has the advantages that when braking, hydraulic oil in the oil cylinder returns to the oil tank through the overflow valve, the braking capacity of the parking anti-slip device is convenient to adjust, the applicability of the equipment is expanded, the anti-slip of the vehicle is reliably implemented, and the safety of the hump yard operation is improved.

[0015] The spring hydraulic inner support type parking anti-slip device has the advantages that when braking, hydraulic oil in the oil cylinder returns to the oil tank through the overflow valve, the braking capacity of the parking anti-slip device is convenient to adjust, the applicability of the equipment is expanded, the anti-slip of the vehicle is reliably implemented, and the safety of the hump yard operation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the spring hydraulic inner support type parking anti-slip device of the utility model;

[0017] Figure 2 is a partial structure view of the spring hydraulic inner support type parking anti-slip device of the utility model;

[0018] Figure 3 is a structural principle view of the spring hydraulic inner support type parking anti-slip device of the utility model.

[0019] In the figure, 1. oil tank, 2. filter, 3. motor, 4. oil pump, 5. system check valve, 6. system overflow valve, 7. system stop valve, 8. accumulator, 9. pressure controller, 10. system pressure measuring connector, 11. reversing valve, 12. working check valve, 13. working stop valve, 14. working overflow valve, 15. working pressure measuring connector, 16. air filter, 17. hydraulic system, 18. oil cylinder brake cavity, 19. spring, 20. brake rail, 21. oil cylinder, 22. actuator, 23. integrated block, 24. first connecting pipe, 25. second connecting pipe, 26. third connecting pipe, 27. fourth connecting pipe, 28. protective cover, 29. execution pipe, 30. oil pump assembly, 31. integrated block assembly. DETAILED DESCRIPTION

[0020] The utility model will be described in detail below in combination with the drawings and specific embodiments.

[0021] The utility model provides a spring hydraulic inner support type parking anti-slip device, as shown in the figure, including actuator 22, actuator 22 is connected with integrated block assembly 31 through execution pipe 29, integrated block assembly 31 is connected with oil pump assembly 30 through first connecting pipe 24, integrated block assembly 31 is connected with oil tank 1, oil tank 1 is connected with oil pump assembly 30, and oil tank 1 is also connected with accumulator 8, and accumulator 8 is connected with integrated block assembly 31 through second connecting pipe 25. Figures 1-2 Actuator 22 is connected with hydraulic system 17, and integrated block assembly 31, oil pump assembly 30, oil tank 1 and accumulator 8 all belong to hydraulic system 17.Oil pump assembly 30 is the power source of the whole device, and pressure oil is pumped into through oil pump assembly 30, and the function action of actuator 22 is realized through integrated block assembly 31, and actuator 22 brakes the vehicle, and accumulator 8 is the energy storage part of the device and is used to store the hydraulic oil in hydraulic system 17, and when hydraulic system 17 works or power supply fails and motor 3 cannot work normally, accumulator 8 supplies oil for the whole system or realizes the relief of the vehicle.

[0022] Embodiment 1

[0023] The spring hydraulic inner support type parking anti-slip device, including actuator 22, actuator 22 is connected with integrated block assembly 31 through execution pipe 29, integrated block assembly 31 is connected with oil pump assembly 30 through first connecting pipe 24, integrated block assembly 31 is connected with oil tank 1, oil tank 1 is connected with oil pump assembly 30, and oil tank 1 is also connected with accumulator 8, and accumulator 8 is connected with integrated block assembly 31 through second connecting pipe 25.

[0024] The top of oil tank 1 is connected with protective cover 28, and integrated block assembly 31 and accumulator 8 are arranged in protective cover 28.Protective cover 28 protects the whole device from damage by foreign matters.

[0025] Embodiment 2

[0026] The spring hydraulic inner support type parking anti-slip device comprises an actuator 22, the actuator 22 is connected with an integrated block assembly 31 through an execution pipe 29, the integrated block assembly 31 is connected with an oil pump assembly 30 through a first connecting pipe 24, the integrated block assembly 31 is connected with an oil tank 1, the oil tank 1 is connected with the oil pump assembly 30, and the oil tank 1 is also connected with an accumulator 8, and the accumulator 8 is connected with the integrated block assembly 31 through a second connecting pipe 25.

[0027] The top of the oil tank 1 is connected with a protective cover 28, and the integrated block assembly 31 and the accumulator 8 are arranged in the protective cover 28.

[0028] As shown in Figure 3 The actuator 22 comprises an oil cylinder 21, the output end of the oil cylinder 21 is connected with a brake rail 20, a push rod in the oil cylinder 21 is connected with a spring 19, and the end, away from the brake rail 20, of the oil cylinder 21 is connected with the execution pipe 29. The spring 19 and the inner bottom surface of the oil cylinder 21 form an oil cylinder brake cavity 18, hydraulic oil enters the oil cylinder brake cavity 18 in the oil cylinder 21 through the oil way of a hydraulic system 17 and the execution pipe 29, the spring 19 is compressed, and the oil cylinder 21 makes the brake rail 20 be in a brake position by overcoming the resistance of the spring 19.

[0029] The oil cylinder 21 is connected with a travel switch, and the travel switch is arranged close to the brake rail 20. The travel switch XK is used for detecting the position of the brake rail 20.

[0030] Embodiment 3

[0031] The spring hydraulic inner support type parking anti-slip device comprises an actuator 22, the actuator 22 is connected with an integrated block assembly 31 through an execution pipe 29, the integrated block assembly 31 is connected with an oil pump assembly 30 through a first connecting pipe 24, the integrated block assembly 31 is connected with an oil tank 1, the oil tank 1 is connected with the oil pump assembly 30, and the oil tank 1 is also connected with an accumulator 8, and the accumulator 8 is connected with the integrated block assembly 31 through a second connecting pipe 25.

[0032] The top of the oil tank 1 is connected with a protective cover 28, and the integrated block assembly 31 and the accumulator 8 are arranged in the protective cover 28.

[0033] The actuator 22 comprises an oil cylinder 21, the output end of the oil cylinder 21 is connected with a brake rail 20, a push rod in the oil cylinder 21 is connected with a spring 19, and the end, away from the brake rail 20, of the oil cylinder 21 is connected with the execution pipe 29.

[0034] The oil cylinder 21 is connected with a travel switch, and the travel switch is arranged close to the brake rail 20. The travel switch XK is used for detecting the position of the brake rail 20.

[0035] The oil pump assembly 30 comprises an oil pump 4 connected with a filter 2 through a third connecting pipe 26, and the oil pump 4 is connected with an electric motor 3. The oil pump 4 and the filter 2 are arranged in the oil tank 1, and the oil pump 4 is connected with the fourth connecting pipe 27 and the first connecting pipe 24. The electric motor 3 drives the oil pump 4 to pump the hydraulic oil in the oil tank 1, and the hydraulic oil enters the integrated block assembly 31 and the accumulator 8, and is stored in the accumulator 8.

[0036] Embodiment 4

[0037] The spring hydraulic inner support type parking anti-slip device comprises an actuator 22 connected with an integrated block assembly 31 through an execution pipe 29, and the integrated block assembly 31 is connected with an oil pump assembly 30 through a first connecting pipe 24. The integrated block assembly 31 is connected with an oil tank 1 connected with the oil pump assembly 30, and the oil tank 1 is further connected with an accumulator 8 connected with the integrated block assembly 31 through a second connecting pipe 25.

[0038] The top of the oil tank 1 is connected with a protective cover 28, and the integrated block assembly 31 and the accumulator 8 are arranged in the protective cover 28.

[0039] The actuator 22 comprises an oil cylinder 21, the output end of the oil cylinder 21 is connected with a brake rail 20, a push rod in the oil cylinder 21 is connected with a spring 19, and the end of the oil cylinder 21 away from the brake rail 20 is connected with the execution pipe 29.

[0040] The oil cylinder 21 is connected with a travel switch arranged close to the brake rail 20.

[0041] The oil pump assembly 30 comprises an oil pump 4 connected with a filter 2 through a third connecting pipe 26, and the oil pump 4 is connected with an electric motor 3. The oil pump 4 and the filter 2 are arranged in the oil tank 1, and the oil pump 4 is connected with the fourth connecting pipe 27 and the first connecting pipe 24. The electric motor 3 drives the oil pump 4 to pump the hydraulic oil in the oil tank 1, and the hydraulic oil enters the integrated block assembly 31 and the accumulator 8, and is stored in the accumulator 8.

[0042] The integrated block assembly 31 comprises an integrated block 23 connected with the oil tank 1, and the integrated block 23 is arranged in the protective cover 28. The integrated block 23 is connected with the execution pipe 29, the second connecting pipe 25 and the first connecting pipe 24, respectively. The second connecting pipe 25 is communicated with the fourth connecting pipe 27. The integrated block 23 is connected with a system check valve 5 arranged between the oil circuit of the accumulator 8 and the oil pump 4. The integrated block 23 is further connected with a reversing valve 11, a working check valve 12 and a working stop valve 13. The reversing valve 11, the working check valve 12 and the working stop valve 13 are arranged on the oil inlet circuit of the oil cylinder 21, and the reversing valve 11 is arranged close to the oil cylinder 21. The arrangement of the system check valve 5 ensures that the hydraulic oil from the oil tank 1 can only move in one direction after being pumped by the oil pump 4, and the remaining hydraulic oil is sequentially introduced into the oil cylinder 21 through the working stop valve 13, the working check valve 12 and the reversing valve 11 after being stored in the accumulator 8.

[0043] Embodiment 5

[0044] The spring hydraulic inner support type parking anti-slip device comprises an actuator 22, the actuator 22 is connected with an integrated block assembly 31 through an execution pipe 29, the integrated block assembly 31 is connected with an oil pump assembly 30 through a first connecting pipe 24, the integrated block assembly 31 is connected with an oil tank 1, the oil tank 1 is connected with the oil pump assembly 30, the oil tank 1 is further connected with an accumulator 8, the accumulator 8 is connected with the integrated block assembly 31 through a second connecting pipe 25.

[0045] The top of the oil tank 1 is connected with a protective cover 28, and the integrated block assembly 31 and the accumulator 8 are arranged in the protective cover 28.

[0046] The actuator 22 comprises a cylinder 21, the output end of the cylinder 21 is connected with a brake rail 20, a push rod in the cylinder 21 is connected with a spring 19, and the end of the cylinder 21 away from the brake rail 20 is connected with the execution pipe 29.

[0047] The cylinder 21 is connected with a travel switch, and the travel switch is arranged close to the brake rail 20.

[0048] The oil pump assembly 30 comprises an oil pump 4, the oil pump 4 is connected with a filter 2 through a third connecting pipe 26, the oil pump 4 is connected with a motor 3, the oil pump 4 and the filter 2 are arranged in the oil tank 1, and the oil pump 4 is connected with a fourth connecting pipe 27 and the first connecting pipe 24.

[0049] The integrated block assembly 31 comprises an integrated block 23, the integrated block 23 is connected with the oil tank 1, the integrated block 23 is arranged in the protective cover 28, the integrated block 23 is connected with the execution pipe 29, the second connecting pipe 25 and the first connecting pipe 24, the second connecting pipe 25 is communicated with the fourth connecting pipe 27, the integrated block 23 is connected with a system check valve 5, the system check valve 5 is arranged between the oil circuit of the accumulator 8 and the oil pump 4, the integrated block 23 is further connected with a reversing valve 11, a working check valve 12 and a working stop valve 13, the reversing valve 11, the working check valve 12 and the working stop valve 13 are arranged on the oil inlet oil circuit of the cylinder 21, and the reversing valve 11 is arranged close to the cylinder 21.

[0050] The integrated block 23 is connected with a system overflow valve 6 and a system stop valve 7, the system overflow valve 6, the system stop valve 7 and the working stop valve 13 are arranged on the same oil circuit, the oil tank 1 is connected with an air filter 16, and the air filter 16 is arranged at the top of the oil tank 1. The oil pump 4 is reconnected to the oil tank 1 through the system overflow valve 6, excess hydraulic oil in the system flows into the oil tank 1 through the system overflow valve 6, when the device needs to be overhauled, the system stop valve 7 can be closed to cut off the hydraulic oil passage, and then the overhauling is carried out.

[0051] Embodiment 6

[0052] The spring hydraulic inner support type parking anti-slip device comprises an actuator 22, the actuator 22 is connected with an integrated block assembly 31 through an execution pipe 29, the integrated block assembly 31 is connected with an oil pump assembly 30 through a first connecting pipe 24, the integrated block assembly 31 is connected with an oil tank 1, the oil tank 1 is connected with the oil pump assembly 30, and the oil tank 1 is also connected with an accumulator 8, and the accumulator 8 is connected with the integrated block assembly 31 through a second connecting pipe 25.

[0053] The top of the oil tank 1 is connected with a protective cover 28, and the integrated block assembly 31 and the accumulator 8 are arranged in the protective cover 28.

[0054] The actuator 22 comprises a cylinder 21, the cylinder 21 is connected with a brake rail 20 at an output end, a push rod in the cylinder 21 is connected with a spring 19, and an end of the cylinder 21, away from the brake rail 20, is connected with the execution pipe 29.

[0055] The cylinder 21 is connected with a travel switch, and the travel switch is arranged close to the brake rail 20.

[0056] The oil pump assembly 30 comprises an oil pump 4, the oil pump 4 is connected with a filter 2 through a third connecting pipe 26, the oil pump 4 is connected with a motor 3, the oil pump 4 and the filter 2 are arranged in the oil tank 1, and the oil pump 4 is connected with a fourth connecting pipe 27 and the first connecting pipe 24.

[0057] The integrated block assembly 31 comprises an integrated block 23, the integrated block 23 is connected with the oil tank 1, the integrated block 23 is arranged in the protective cover 28, the integrated block 23 is connected with the execution pipe 29, the second connecting pipe 25 and the first connecting pipe 24 respectively, the second connecting pipe 25 is communicated with the fourth connecting pipe 27, the integrated block 23 is connected with a system check valve 5, the system check valve 5 is arranged between an oil circuit of the accumulator 8 and the oil pump 4, the integrated block 23 is also connected with a reversing valve 11, a working check valve 12 and a working stop valve 13, the reversing valve 11, the working check valve 12 and the working stop valve 13 are arranged on an oil inlet oil circuit of the cylinder 21, and the reversing valve 11 is arranged close to the cylinder 21.

[0058] The integrated block 23 is connected with a system overflow valve 6 and a system stop valve 7, the system overflow valve 6, the system stop valve 7 and the working stop valve 13 are arranged on the same oil circuit, the oil tank 1 is connected with an air filter 16, and the air filter 16 is arranged at the top of the oil tank 1.

[0059] The integrated block 23 is connected with a pressure controller 9 and a system pressure measuring connector 10, the pressure controller 9 is connected with the motor 3 through a pipeline, the pressure controller 9 controls the motor 3 through an electrical system, the pressure controller 9 controls start and stop of the motor 3, and the system pressure measuring connector 10 detects the system pressure.

[0060] The integrated block 23 is connected with a working overflow valve 14 and a working pressure tapping 15, which are arranged on a branch oil circuit between the oil cylinder 21 and the reversing valve 11.

[0061] The working principle of the spring hydraulic inner support type parking anti-rolling device is as follows:

[0062] When the reversing valve 11 coil CT is powered off, the hydraulic system 17 pressure oil enters the oil cylinder brake chamber 18 through the reversing valve 11, the oil cylinder 21 overcomes the resistance of the spring 19 to make the brake rail 20 in the brake position, the spring 19 in the oil cylinder 21 is compressed, and the travel switch XK shows the brake state of the actuator 22.

[0063] The spring hydraulic inner support type parking anti-rolling device relies on hydraulic pressure to effectively brake the rolling vehicle, relies on the spring to effectively release the rolling vehicle, and has adjustable anti-rolling capacity. The oil cylinder is single-acting, the electromagnetic reversing valve of the hydraulic control system only supplies hydraulic oil to one oil port of the oil cylinder, realizes braking oil supply and release oil return of the oil cylinder, and the hydraulic oil in the oil cylinder returns to the oil tank through the overflow valve during braking, which is convenient for adjusting the braking capacity of the parking anti-rolling device. During release, the hydraulic oil in the oil cylinder returns to the oil tank through the electromagnetic reversing valve, which expands the applicability of the equipment. Meanwhile, the spring is installed in the oil cylinder, so that the device is novel in design, compact and simple in structure, safe and reliable in work, convenient to install, low in manufacturing and later maintenance cost.

Claims

1. A spring-hydraulic inside support type parking brake against slipping, characterized in that, The actuator (22) is connected with an integrated block assembly (31) through an execution pipe (29), the integrated block assembly (31) is connected with an oil pump assembly (30) through a first connecting pipe (24), the integrated block assembly (31) is connected with an oil tank (1), the oil tank (1) is connected with the oil pump assembly (30), and the oil tank (1) is further connected with an accumulator (8), and the accumulator (8) is connected with the integrated block assembly (31) through a second connecting pipe (25).

2. The spring-hydraulic inboard braked parking car preventer according to claim 1, characterized in that, The top of the oil tank (1) is connected with a protective cover (28), and the integrated block assembly (31) and the accumulator (8) are arranged in the protective cover (28).

3. The spring-hydraulic inboard braked parking car preventer according to claim 1, characterized in that, The actuator (22) comprises a hydraulic cylinder (21), the output end of the hydraulic cylinder (21) is connected with a brake rail (20), a push rod in the hydraulic cylinder (21) is connected with a spring (19), and the end of the hydraulic cylinder (21) away from the brake rail (20) is connected with the execution pipe (29).

4. The spring-hydraulic inboard braked parking car preventer according to claim 3, characterized in that, The hydraulic cylinder (21) is connected with a travel switch, and the travel switch is arranged close to the brake rail (20).

5. The spring-hydraulic inboard braked parking car preventer according to claim 1, characterized in that, The oil pump assembly (30) comprises an oil pump (4), the oil pump (4) is connected with a filter (2) through a third connecting pipe (26), the oil pump (4) is connected with a motor (3), the oil pump (4) and the filter (2) are arranged in the oil tank (1), and the oil pump (4) is connected with a fourth connecting pipe (27) and the first connecting pipe (24).

6. The spring-hydraulic inboard braked parking car preventer according to claim 2, characterized in that, The integrated block assembly (31) comprises an integrated block (23), the integrated block (23) is connected with the oil tank (1), the integrated block (23) is arranged in the protective cover (28), the integrated block (23) is connected with the execution pipe (29), the second connecting pipe (25) and the first connecting pipe (24) respectively, the integrated block (23) is connected with a system check valve (5), the system check valve (5) is arranged between the oil circuit of the accumulator (8) and the oil pump (4), the integrated block (23) is further connected with a reversing valve (11), a working check valve (12) and a working stop valve (13), the reversing valve (11), the working check valve (12) and the working stop valve (13) are arranged on the oil inlet circuit of the hydraulic cylinder (21), and the reversing valve (11) is arranged close to the hydraulic cylinder (21).

7. The spring-hydraulic inboard braked parking car preventer according to claim 6, characterized in that, The integrated block (23) is connected with a system overflow valve (6) and a system stop valve (7), the system overflow valve (6), the system stop valve (7) and the working stop valve (13) are arranged in the same oil circuit, the oil tank (1) is connected with an air filter (16), and the air filter (16) is arranged at the top of the oil tank (1).

8. The spring-hydraulic inboard braked parking car preventer according to claim 6, characterized in that, The integrated block (23) is connected with a pressure controller (9) and a system pressure measuring connector (10).

9. The spring-hydraulic inboard braked parking car preventer according to claim 6, characterized in that, The integrated block (23) is connected with a working overflow valve (14) and a working pressure measuring connector (15), and the working overflow valve (14) and the working pressure measuring connector (15) are arranged on a branch oil circuit between the hydraulic cylinder (21) and the reversing valve (11).

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