Hydraulic lockable controlled parking device

Abstract

A hydraulic locking controllable parking device, comprising a pair of brake rails (1), a bottom beam assembly (4), a plurality of pairs of left and right branch arm assemblies (5) and (6) capable of storing energy, a hydraulic locking assembly (8) for driving the left and right branch arm assemblies (5) and (6) to act, each pair of left and right branch arm assemblies (5) and (6) acts in a plane perpendicular to the basic rail, and the brake rails (1) are fixed outside the corresponding left and right branch arm assemblies (5) and (6) respectively; in the no-load state, the distance between the brake surfaces (1-2) of the brake rails (1) is greater than the inside distance of the wheels, and the technical key points are that in the loaded state, the energy storage mechanism is extruded and outputs the reaction force and generates the friction force outward. It has the advantages of simple and compact structure, easy installation, convenient adjustment limit, fast work position conversion speed, low energy consumption, less maintenance, convenient use and the like.

Description

TECHNICAL FIELD

[0001] The present application relates to railway yard parking anti-slip safety equipment, in particular to a hydraulic locking controllable parking device. BACKGROUND

[0002] The parking device (or anti-slip device, etc.) is a kind of hydraulic transmission or electric drive, inner support type double rail strip brake, spring pressure, with static and dynamic anti-slip function. When the parking device needs to brake the parked vehicle, it is controlled in the braking position, the braking rail presses the inner side of the wheel, the wheel compresses the spring through the braking rail, and the reaction force of the braking spring generates strong friction between the braking rail and the wheel to prevent the vehicle from slipping. When controlled in the relief position, the vehicle is not braked.

[0003] However, the existing parking device technical scheme has the following problems: 1. The upper limit size is fixed, but the basic rail wear degree is different in different places, which causes the limit height to be adjusted according to the actual situation during installation; 2. The switching process between the relief position and the braking position is slow; 3. Electric drive, high energy consumption; 4. Hydraulic transmission, complex structure, difficult to maintain. SUMMARY

[0004] The purpose of the present application is to provide a hydraulic locking speed reducer, which fundamentally solves the above problems, and has the advantages of simple and compact structure, easy installation, convenient limit adjustment, fast work position conversion, low energy consumption, less maintenance, and convenient use.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] The hydraulic locking controllable parking device comprises a pair of braking rails, a bottom beam assembly, a plurality of pairs of left and right branch arm assemblies capable of storing energy, a hydraulic locking device assembly for driving the left and right branch arm assemblies to act, each pair of left and right branch arm assemblies acts in the action plane perpendicular to the basic rail, and the braking rails are fixed on the outer sides of the corresponding left and right branch arm assemblies; in the no-load state, the distance between the braking surfaces of the braking rails is greater than the inner side distance of the wheels, and the technical key points are: in the loaded state, the energy storage mechanism is extruded and outputs the reaction force and generates the friction force outward;

[0007] Each pair of left and right branch arm assemblies stores energy through a spring group assembly, the spring group assembly and the hydraulic locking device assembly are limited between the left and right branch arm assemblies in a way that the outer side is fixed to the branch arm main plate and the inner side is hinged, and the reciprocating output end of the hydraulic locking device assembly is linked with the spring group assembly.

[0008] As a preferred, the left and right branch arm assemblies comprise a branch arm main plate, and the inner side and the outer side of the bottom of the branch arm main plate are respectively provided with front and rear installation grooves for horizontal guidance.

[0009] As preferred, the hydraulic lock assembly comprises a cylinder, an electromagnetic reversing valve communicated through a one-way valve, a reciprocable piston rod limited in the cylinder, a return spring limited on the piston rod through a return spring seat, and a joint bearing limited by the joint bearing seat at the end of the return spring seat.

[0010] As preferred, the spring group assembly comprises a spring seat plate fixed with the distal end of the support arm connecting plate and the support arm main plate of the right and left support arm assemblies, a spring guide sleeve for guiding the spring group, and a joint bearing connecting plate for articulating the hydraulic lock assembly.

[0011] As preferred, the brake rail is provided with a guide opening and a brake surface.

[0012] As preferred, the bottom beam assembly is installed between the basic rails through the rail clamp assembly, which comprises an outer rail clamp assembly and an inner rail clamp assembly fastened by bolts, and the inner rail clamp assembly is connected to the bottom beam assembly in a vertically adjustable manner.

[0013] As preferred, the inner rail clamp assembly is provided with a plurality of mounting holes with different heights, and the end of the bottom beam assembly is provided with a positioning hole matched with the mounting hole of the inner rail clamp assembly.

[0014] As preferred, the bottom beam assembly comprises a pair of bottom beam main plates supported by a spacer plate, two pairs of rotation shafts perpendicular to the bottom beam main plates, and bottom beam rollers limited on the rotation shafts; the bottom beam rollers are linked with the left and right support arm assemblies through the horizontally guided mounting slots limited on the left and right support arm assemblies.

[0015] As preferred, the clamping opening of the outer rail clamp plate or the inner rail clamp plate is provided with an insulating groove.

[0016] The positioning shaft pin is inserted into the corresponding bottom beam main plate positioning hole and the mounting hole of the inner rail clamp assembly to realize the matching of the relative height of the two, so that the upper part is limited to adapt to the adjustment of the different heights of the basic rails.

[0017] Simple structure, short action time, energy saving and environmental protection.

[0018] For the bottom beam rollers that need to be lubricated and maintained frequently, an oil injection nozzle is provided on the side of the bottom beam fixed shaft, which greatly facilitates daily maintenance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural diagram of the hydraulic lock controllable parking device.

[0020] Figure 2 It is a sectional view of the hydraulic lock controllable parking device.

[0021] Figure 3 It is Figure 2Top view.

[0022] Figure 4 This is a schematic diagram of the brake rail.

[0023] Figure 5 This is the main view of the outer rail card assembly.

[0024] Figure 6 This is a side view of the outer rail clamp assembly.

[0025] Figure 7 This is the main view of the inner rail card assembly.

[0026] Figure 8 This is a top view of the inner rail card assembly.

[0027] Figure 9 This is the main view of the bottom beam assembly.

[0028] Figure 10 This is a top view of the bottom beam assembly.

[0029] Figure 11 This is the front view of the left control arm assembly.

[0030] Figure 12 This is a top view of the left control arm assembly.

[0031] Figure 13 This is the front view of the right control arm assembly.

[0032] Figure 14 This is a top view of the right control arm assembly.

[0033] Figure 15 This is the front view of the spring assembly.

[0034] Figure 16 This is a top view of the spring assembly.

[0035] Figure 17 This is a front view of the hydraulic locking device assembly.

[0036] Figure 18 This is a top view of the hydraulic locking device. Detailed Implementation

[0037] The following combination Figures 1-18 The present invention will be described in detail through specific embodiments.

[0038] Hydraulic locking controllable parking device

[0039] like Figures 1-4 As shown, the hydraulically locked controllable parking device consists of a brake rail 1, an outer rail clamp assembly 2, an inner rail clamp assembly 3, a bottom beam assembly 4, a left support arm assembly 5, a right support arm assembly 6, a spring assembly 7, and a hydraulic locking device assembly 8.

[0040] Brake rail 1 is installed on cross arm assembly 5 and 6 with spring washer 5-4, 6-4, slotted nut 5-5, 6-5, cotter pin 5-6, 6-6 and square head bolt 5-7, 6-7.

[0041] Outer rail clamp assembly 2 and inner rail clamp assembly 3 are fastened on basic rail with bolt 3-1, nut 3-7 and spring washer 3-6.

[0042] Bottom beam assembly 4 is installed on inner rail clamp assembly 3 with locating pin 3-8, cotter pin 3-9 through mounting hole 3-5 and locating hole 4-7.

[0043] Left arm assembly 5 is installed on roller 4-4 of bottom beam 4 with front mounting slot 5-9 and rear mounting slot 5-10. Guard is installed on left arm assembly 5 with screw.

[0044] Right arm assembly 6 is installed on roller 4-4 of bottom beam 4 with front mounting slot 6-8 and rear mounting slot 6-9.

[0045] Spring group assembly 7 is welded on main plate 6-3 of right arm assembly 6 with spring seat plate 7-2 at one end and connected on hydraulic lock assembly 8 with joint bearing connecting plate 7-1 at the other end through connecting shaft 7-10 and elastic retainer 7-11.

[0046] Hydraulic lock assembly 8 is connected on hydraulic cylinder connecting plate 5-8 of left arm assembly 5 with left cylinder cover 8-3 at one end through hexagon socket cap screw B1 and spring washer B2 and connected on joint bearing connecting plate 7-1 of spring group assembly 7 at the other end through connecting shaft 7-10 and elastic retainer 7-11.

[0047] Several groups of outer rail clamp assembly 2, inner rail clamp assembly 3, bottom beam assembly 4, left arm assembly 5, right arm assembly 6, spring group assembly 7 and hydraulic lock assembly 8 are arranged along the length direction of basic rail, and one brake rail 1 is installed on left arm assembly 5 and right arm assembly 6.

[0048] Mounting hole 3-5 on inner rail clamp assembly 3 and locating hole 4-7 on bottom beam assembly 4 are designed with different heights, and locating pin 3-8 is inserted into corresponding locating hole 4-7, so that the height of brake rail can be adjusted to adapt to the height difference of basic rail.

[0049]

Brake rail

[0050] As shown in Figure 4 , brake rail 1 is provided with guide opening 1-1, brake surface 1-2 and mounting hole 1-3.

[0051]

Outer rail clamp assembly

[0052] As shown in Figure 5 , Figure 6As shown, the outer rail clamping assembly 2 is composed of an outer rail clamping plate 2-1 and an insulation groove 2-2; the outer rail clamping plate 2-1 is provided with a mounting groove 2-3 and a mounting hole 2-4.

[0053]

Inner rail clamping assembly

[0054] As shown in Figure 7 , Figure 8 , the inner rail clamping assembly 3 is composed of an inner rail clamping plate 3-2, a reinforcing plate 3-3, a spacer plate 3-4, a bolt 3-1, a spring washer 3-6, a nut 3-7, a positioning pin shaft 3-8, a split pin 3-9 and an insulation groove 3-10, and the inner rail clamping plate 3-2, the reinforcing plate 3-3, the spacer plate 3-4 and the bolt 3-1 are welded into one whole; the inner rail clamping plate 3-2 is provided with a mounting hole 3-5.

[0055]

Bottom beam assembly

[0056] As shown in Figure 9 , Figure 10 , the bottom beam assembly 4 is composed of a bottom beam main plate 4-1, a spacer plate 4-2, a fixed shaft 4-3, a roller 4-4, an intermediate spacer plate 4-5 and an oil injection nozzle 4-6; the spacer plate 4-2, the fixed shaft 4-3 and the intermediate spacer plate 4-5 are welded on the bottom beam main plate 4-1; the oil injection nozzle 4-6 is press-fitted on the fixed shaft 4-3; the roller 4-4 is sleeved on the fixed shaft 4-3; and the bottom beam main plate 4-1 is provided with a positioning hole 4-7.

[0057]

Left support arm assembly

[0058] As shown in Figure 11 , Figure 12 , the left support arm assembly 5 is composed of a cross arm 5-1, a stop block 5-2, a main plate 5-3, a spring washer 5-4, a slotted nut 5-5, a split pin 5-6, a square head bolt 5-7 and a hydraulic cylinder connecting plate 5-8; the cross arm 5-1, the stop block 5-2 and the hydraulic cylinder connecting plate 5-8 are welded on the main plate 5-3; and the main plate 5-3 is provided with a front mounting groove 5-9 and a rear mounting groove 5-10.

[0059]

Right support arm assembly

[0060] As shown in Figure 13 , Figure 14 , the right support arm assembly 6 is composed of a cross arm 6-1, a stop block 6-2, a main plate 6-3, a spring washer 6-4, a slotted nut 6-5, a split pin 6-6 and a square head bolt 6-7; the cross arm 6-1 and the stop block 6-2 are welded on the main plate 6-3; and the main plate 6-3 is provided with a front mounting groove 6-8 and a rear mounting groove 6-9.

[0061]

Spring group assembly

[0062] As shown in Figure 15 , Figure 16As shown, the spring group assembly 7 is composed of joint bearing connecting plate 7-1, spring seat plate 7-2, spring guide sleeve 7-3, inner spring 7-4, outer spring 7-5, bolt 7-6, nut 7-7, spring washer 7-8, cotter pin 7-9, connecting shaft 7-10 and elastic retainer 7-11; the joint bearing connecting plate 7-1 is welded on one spring seat plate 7-2, and the other spring seat plate 7-2 is welded on the main plate 6-3 of the right arm assembly 6. The spring guide sleeve 7-3 is welded on the two spring seat plates 7-2 respectively; the inner spring 7-4 and the outer spring 7-5 are press-fitted in the middle of the two spring seat plates 7-2 by the bolt 7-6, the nut 7-7, the spring washer 7-8 and the cotter pin 7-9; and the connecting shaft 7-10 is installed on the joint bearing connecting plate 7-1.

[0063] [Hydraulic lock assembly]

[0064] As shown in Figure 17 , Figure 18 , the hydraulic lock assembly is composed of one-way valve 8-1, reset spring seat 8-2, left cylinder cover 8-3, piston rod 8-4, half-ring key 8-5, key cap 8-6, cylinder body 8-7, piston 8-8, piston guide ring 8-9, right cylinder cover 8-10, gasket 8-11, oil hole plug 8-12, reset spring 8-13, joint bearing seat 8-14, inner hexagonal screw B1, spring washer B2, electromagnetic reversing valve B3, Yx-shaped hole retainer B4, shaft elastic retainer B5, O-shaped sealing ring B6, joint bearing B7 and Yx-shaped shaft sealing ring B8.

[0065] [Working principle]

[0066] When the hydraulic lock assembly 8 is controlled in the relief position, the distance between the brake faces 1-2 of the two brake rails 1 is equal to the inside distance of the wheels under the wheel restriction, and the vehicle is in the relief position and does not have braking effect on the vehicle;

[0067] When the hydraulic lock assembly 8 is controlled in the braking position, the piston rod 8-4 is driven by the reset spring 8-13 to move the left arm assembly 5 and the right arm assembly 6 outward, and the distance between the brake faces 1-2 of the two brake rails 1 is greater than the inside distance of the wheels. When the wheels enter the parking device through the guide opening 1-1 of the brake rail 1, the brake rail 1 extrudes the inner spring 7-4 and the outer spring 7-5 to generate braking force, which has a deceleration effect on the vehicle.

[0068] [Other instructions]

[0069] In this embodiment, all welded parts such as outer rail clamps, inner rail clamps, bottom beams, left arms, right arms, etc. can also be cast parts after comprehensive evaluation of environmental protection, raw materials and labor costs.

[0070] [Explanation of reference signs]

[0071] 1 brake rail, 1-1 guide hole, 1-2 brake surface, 1-3 mounting hole;

[0072] 2 outer rail clamp assembly, 2-1 outer rail clamp plate, 2-2 insulation groove, 2-3 mounting groove, 2-4 mounting hole;

[0073] 3 inner rail clamp assembly, 3-1 bolt, 3-2 inner rail clamp plate, 3-3 reinforcing plate, 3-4 spacer plate, 3-5 mounting hole, 3-6 spring washer, 3-7 nut, 3-8 positioning pin shaft, 3-9 cotter pin, 3-10 insulation groove;

[0074] 4 bottom beam assembly, 4-1 bottom beam main plate, 4-2 spacer plate, 4-3 fixing shaft, 4-4 roller, 4-5 middle spacer plate, 4-6 oil injection nozzle, 4-7 positioning hole;

[0075] 5 left support arm assembly, 5-1 cross arm, 5-2 stop block, 5-3 main plate, 5-4 spring washer, 5-5 nut, 5-6 cotter pin, 5-7 bolt, 5-8 hydraulic cylinder connecting plate, 5-9 front mounting groove, 5-10 rear mounting groove;

[0076] 6 right support arm assembly, 6-1 cross arm, 6-2 stop block, 6-3 main plate, 6-4 spring washer, 6-5 slotted nut, 6-6 cotter pin, 6-7 square head bolt, 6-8 front mounting groove, 6-9 rear mounting groove;

[0077] 7 spring group assembly, 7-1 joint bearing connecting plate, 7-2 spring seat plate, 7-3 spring guide sleeve, 7-4 inner spring, 7-5 outer spring, 7-6 bolt, 7-7 nut, 7-8 spring washer, 7-9 cotter pin, 7-10 connecting shaft, 7-11 elastic retainer;

[0078] 8 hydraulic lock assembly, 8-1 one-way valve, 8-2 reset spring seat, 8-3 left cylinder cover, 8-4 piston rod, 8-5 half-ring key, 8-6 key cap, 8-7 cylinder body, 8-8 piston, 8-9 piston guide ring, 8-10 right cylinder cover, 8-11 sealing gasket, 8-12 oil filling hole plug, 8-13 reset spring, 8-14 joint bearing seat;

[0079] B1 inner hexagonal bolt, B2 spring washer, B3 electromagnetic directional control valve, B4 Yx-shaped hole retainer, B5 shaft elastic retainer, B6 O-shaped sealing ring, B7 joint bearing, B8 Yx-shaped shaft sealing ring.

Claims

1. A hydraulic locking controllable parking device, comprising a pair of brake rails (1), a bottom beam assembly (4), a plurality of pairs of left and right branch arm assemblies (5, 6) capable of storing energy, a hydraulic locking assembly (8) for driving the left and right branch arm assemblies (5, 6) to move, each pair of left and right branch arm assemblies (5, 6) moves in a plane perpendicular to the basic rail, and the brake rails (1) are fixed outside the corresponding left and right branch arm assemblies (5, 6), respectively; in the no-load state, the distance between the brake surfaces (1-2) of the brake rails (1) is greater than the inside distance of the wheels, characterized in that: in the loaded state, the energy storage mechanism is extruded and outputs an external reaction force and generates a friction force; each pair of left and right branch arm assemblies (5, 6) stores energy through a spring group assembly (7), the spring group assembly (7) and the hydraulic locking assembly (8) are limited between the left and right branch arm assemblies (5, 6) in a way that the outside is fixed to the branch arm main plate (5-3, 6-3) and the inside is hinged to each other, and the reciprocating output end of the hydraulic locking assembly (8) is linked with the spring group assembly (7); The left and right branch arm assemblies (5, 6) comprise a branch arm main plate (5-3, 6-3), and the bottom inside and outside of the branch arm main plate (5-3, 6-3) are respectively provided with front and rear mounting grooves (5-9, 6-8) and (5-10, 6-9) for horizontal guidance; The hydraulic locking assembly (8) comprises a cylinder body (8-7), an electromagnetic reversing valve (8-3) connected through a one-way valve (8-1), a reciprocating piston rod (8-4) limited on the cylinder body (8-7), a return spring (8-1-3) limited on the piston rod (8-4) through a return spring seat (8-2), and a joint bearing seat (8-1-4) limiting a joint bearing at the end of the return spring seat (8-2); The spring group assembly (7) comprises a spring seat plate (7-2) fixed to the distal end of the branch arm connecting plate and the branch arm main plate (6-3, 5-3) of the right and left branch arm assemblies (6, 5), a spring guide sleeve (7-3) for guiding the spring group, and a joint bearing connecting plate (7-1) for hinging the hydraulic locking assembly (8); The brake rails (1) are provided with a guide opening (1-1) and a brake surface (1-2); The bottom beam assembly (4) is installed between the basic rails through a rail clamp assembly, the rail clamp assembly comprises an outer rail clamp assembly (2) and an inner rail clamp assembly (3) fastened by bolts, and the inner rail clamp assembly (3) is connected to the bottom beam assembly (4) in a vertically adjustable manner; The inner rail clamp assembly (3) is provided with a plurality of mounting holes (3-5) of different heights, the end of the bottom beam assembly (4) is provided with a positioning hole (4-7) matched with the mounting hole (3-5) of the inner rail clamp assembly (3), and the bottom beam assembly (4) is installed on the inner rail clamp assembly (3) through the mounting hole (3-5) and the positioning hole (4-7) by using a positioning shaft pin (3-8) and a split pin (3-9). ​ The bottom beam assembly (4) comprises a pair of bottom beam main plates (4-1) supported by a spacing plate (4-2), two or more pairs of rotating shafts perpendicular to the bottom beam main plates (4-1), and bottom beam rollers (4-4) limited on the rotating shafts; the bottom beam rollers (4-4) are connected with the left and right support arm assemblies (5 and 6) through the horizontally-guided mounting grooves (5-9, 5-10, 6-8 and 6-9) of the left and right support arm assemblies (5 and 6). Insulating grooves (2-2 and 3-10) are arranged in the clamping openings of the outer rail clamping plates (2-1) or the inner rail clamping plates (3-2).

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