Close-attaching coupler lock device for turnout operation and maintenance

Abstract

The utility model belongs to the technical field of railway turnout coupler locks, and particularly relates to a closely-attached coupler lock for turnout operation and maintenance, which comprises a closely-attached hook head and a movable hook head. The movable hook head and the close-fitting hook head are in sliding fit in the transverse direction, and the close-fitting hook head is used for buckling a switch rail; the movable hook head is used for buckling the stock rail, and when the movable hook head slides towards the close-attaching hook head, the switch rail can be tightly attached to the stock rail. The utility model has the advantage of preventing the closely attached hook head and the movable hook head from scratching the switch rail and the stock rail.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway turnout hook lock ware technical field, specifically, the utility model relates to a kind of for switch operation and maintenance tight hook lock ware. BACKGROUND

[0002] Turnout system plays a crucial role in the process of train operation in the diversion and guiding effect. Turnout changes track into different line direction through conversion device. However, due to external vibration, environmental change and equipment aging factors, turnout is prone to looseness or displacement after conversion, which may cause train derailment and other major safety hazards. Therefore, ensuring the stability and reliable locking of turnout after conversion is one of the key tasks in train safe operation.

[0003] The locking and unlocking of traditional turnout often rely on large mechanical equipment, which is difficult to achieve precise control of turnout components, resulting in problems such as loose and loose turnout components during turnout operation, affecting the safety of train operation. At the same time, in the process of actual use, the existing tight turnout hook lock ware is prone to sway when the tight hook head and movable hook head do not exert force on the point rail and basic rail, so that the tight hook head and movable hook head respectively buckle the point rail and basic rail. When the tight hook head and movable hook head exert force on the point rail and basic rail, the point rail and basic rail are prone to scratch, which damages the surface of the point rail and affects the smooth running of the train. In severe cases, it may cause derailment and other safety accidents, and at the same time, it will accelerate the wear of the point rail and basic rail, shorten their service life and increase maintenance cost. SUMMARY

[0004] Therefore, the utility model provides a kind of tight hook lock ware for switch operation and maintenance, to solve or at least alleviate the above-mentioned problems existing in the prior art.

[0005] In order to achieve the foregoing purpose, the utility model provides a kind of tight hook lock ware for switch operation and maintenance, including tight hook head and movable hook head;The movable hook head and tight hook head are in transverse sliding fit, and the tight hook head is used to buckle the point rail;

[0006] The movable hook head is used to buckle the basic rail, and when the movable hook head slides towards the tight hook head, the point rail and the basic rail can be tightly attached.

[0007] In the tight hook lock ware for switch operation and maintenance as described above, optionally, the tight hook head includes a first connecting head for buckling the point rail and a threaded rod for guiding the movable hook head, the threaded rod is fixedly installed at the end of the first connecting head, and is vertically arranged with the first connecting head.

[0008] In the close hook lock for turnout operation and maintenance as described above, optionally, the movable hook head comprises a second connecting head for buckling the basic rail and a moving block for transverse sliding of the threaded rod, the second connecting head slides on the top of the moving block in the height direction, the top surface of the moving block can abut against the bottom surface of the basic rail, and the cooperation of the second connecting head and the moving block can clamp the bottom of the basic rail when the second connecting head slides towards the moving block.

[0009] In the close hook lock for turnout operation and maintenance as described above, optionally, the movable hook head further comprises a support head for supporting the ground, the support head is slidingly installed on the bottom of the moving block in the height direction, the support head is sleeved on the outer wall of the bottom end of the second connecting head, and an elastic assembly for providing a supporting force is arranged between the support head and the second connecting head, the distance between the bottom surface of the support head and the bottom surface of the moving block is greater than the distance between the bottom surface of the moving block and the ground when the elastic assembly is not stressed, and the elastic assembly can provide the supporting force when the support head supports the ground.

[0010] In the close hook lock for turnout operation and maintenance as described above, optionally, the movable hook head further comprises two sliding rails for driving the second connecting head to descend, driving blocks capable of sliding in the sliding rails are fixedly installed on the two sides of the movable hook head, and a driving rod capable of sliding in the moving block is fixedly installed at the bottom end of the sliding rail, and the driving rod is used for driving the sliding rail to move.

[0011] In the close hook lock for turnout operation and maintenance as described above, optionally, a hand wheel is threadedly connected on the threaded rod, and the hand wheel is used for controlling the clamping of the bottom of the basic rail and the close of the point rail and the basic rail.

[0012] The close hook lock for turnout operation and maintenance of the utility model adopts a movable hook head supported on the ground, can realize the stability of the close hook head, prevents the close hook head from shaking, causes damage to the surface of the point rail, and the rotation of the hand wheel can drive the close hook head to move towards the movable hook head, and the second connecting head is pressed downwards to cooperate with the moving block, the basic rail is clamped, and the close process is more stable. BRIEF DESCRIPTION OF DRAWINGS

[0013] The disclosure of the utility model will be more apparent with reference to the drawings. It should be understood that these drawings are only for illustrative purposes, and are not intended to limit the protection scope of the utility model. In the drawings:

[0014] Figure 1 It is a structure schematic view that the second connecting head of the utility model is located at the highest position;

[0015] Figure 2 It is a structure schematic view that the second connecting head of the utility model is located at the lowest position;

[0016] Figure 3 This is a schematic diagram of the structure of the movable hook head of this utility model;

[0017] Figure 4 This is a schematic diagram of the connection structure between the second connector and the support head of this utility model;

[0018] Figure 5 This is a schematic diagram of the connection structure between the moving block and the slide rail of this utility model.

[0019] Reference numerals in the attached drawings: 1. Close-fitting hook head; 1-1. First connector head; 1-2. Threaded rod; 1-3. Plane; 2. Movable hook head; 2-1. Second connector head; 2-2. Moving block; 2-3. Support head; 2-4. Drive block; 3. Slide rail; 3-1. Drive rod; 4. Handwheel; 5. Spring; 6. First slider; 7. Second slider; 8. Slide groove; 9. Strip groove. Detailed Implementation

[0020] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] like Figures 1 to 5 As shown, a typical embodiment of this utility model provides a close-fitting hook lock for turnout operation and maintenance, including a close-fitting hook head 1 and a movable hook head 2; the movable hook head 2 and the close-fitting hook head 1 are in lateral sliding engagement, and the close-fitting hook head 1 is used to lock the switch rail;

[0022] The movable hook 2 is used to hold the base rail. When the movable hook 2 slides toward the close-fitting hook 1, it can make the switch rail and the base rail fit together.

[0023] To achieve a close fit between the switch rail and the base rail, first pass the close-fitting hook 1 through the bottom of the base rail and rotate the close-fitting hook 1 so that the hook head of the close-fitting hook 1 faces upward so that it can hook the switch rail. Then hook the movable hook 2 onto the bottom of the base rail. At this time, move the movable hook 2 toward the close-fitting hook 1 to clamp the switch rail and the base rail until they are close together.

[0024] The close-fitting hook head 1 includes a first connector 1-1 for engaging the switch rail and a threaded rod 1-2 for guiding the movable hook head 2. The threaded rod 1-2 is fixedly installed at the end of the first connector 1-1 and is perpendicular to the first connector 1-1.

[0025] To achieve the effect that the close hook head 1 can hold the point rail, the close hook head 1 comprises a first connecting head 1-1 for holding the point rail and a threaded rod 1-2 for guiding the movable hook head 2, after the close hook head 1 passes through the bottom end of the base rail, the first connecting head 1-1 can be rotated by rotating the threaded rod 1-2 to hold the point rail, at this time, the threaded rod 1-2 is pulled to make the first connecting head 1-1 hold the point rail stably.

[0026] The movable hook head 2 comprises a second connecting head 2-1 for holding the base rail and a moving block 2-2 for sliding transversely on the threaded rod 1-2, the second connecting head 2-1 slides on the top of the moving block 2-2 in the height direction, the top surface of the moving block 2-2 can abut against the bottom surface of the base rail, when the second connecting head 2-1 slides towards the moving block 2-2, the cooperation of the second connecting head 2-1 and the moving block 2-2 can clamp the bottom of the base rail.

[0027] To achieve the effect that the close hook head 1 and the movable hook head 2 can remain stable during movement, the movable hook head 2 comprises a second connecting head 2-1 for holding the base rail and a moving block 2-2 for sliding transversely on the threaded rod 1-2, a through hole is formed in the moving block 2-2, the through hole is matched with the cross section of the threaded rod 1-2, the two sides of the threaded rod 1-2 are provided with parallel planes 1-3, the side surface of the through hole is matched with the planes 1-3, so that the moving block 2-2 can limit the rotation of the threaded rod 1-2, thereby limiting the rotation of the close hook head 1 and preventing the close hook head 1 from shaking to damage the surface of the point rail.

[0028] To achieve the effect that the movable hook head 2 can clamp the base rail, a strip-shaped groove 9 is formed in the second connecting head 2-1, the threaded rod 1-2 is located in the strip-shaped groove 9, and the planes 1-3 are in surface contact with the two side inner walls of the strip-shaped groove 9, so as to facilitate the second connecting head 2-1 to remain stable during displacement in the height direction, the second connecting head 2-1 slides on the top of the moving block 2-2 in the height direction, the top surface of the moving block 2-2 can abut against the bottom surface of the base rail, after the close hook head 1 holds the point rail, the top surface of the moving block 2-2 is matched with the bottom surface of the base rail, at this time, the second connecting head 2-1 is lowered and cooperates with the moving block 2-2 to clamp the bottom of the base rail, thereby achieving the effect of preliminarily clamping the point rail and the base rail, which is convenient for the close fitting of the point rail and the base rail subsequently.

[0029] The movable hook head 2 further comprises a support head 2-3 for supporting the ground, the support head 2-3 is slidingly installed on the bottom of the moving block 2-2 in the height direction, the support head 2-3 is sleeved on the bottom outer wall of the second connecting head 2-1, and an elastic assembly for providing a supporting force is arranged between the support head 2-3 and the second connecting head 2-1, when the elastic assembly is not stressed, the distance between the bottom surface of the support head 2-3 and the bottom surface of the moving block 2-2 is greater than the distance between the bottom surface of the moving block 2-2 and the ground, so that the elastic assembly can provide a supporting force when the support head 2-3 supports the ground.

[0030] To achieve the effect of keeping the movable hook head 2 stable, the movable hook head 2 further comprises a support head 2-3 for supporting the ground, the support head 2-3 is slidingly installed at the bottom of the moving block 2-2 in the height direction, and the elastic assembly comprises a spring 5, which can move the support head 2-3 to the lowest position when the spring 5 is not stressed, at this time the distance between the bottom end of the support head 2-3 and the bottom surface of the moving block 2-2 is greater than the distance between the moving block 2-2 and the ground, so that when the movable hook head 2 is rotated, the support head 2-3 is in contact with the ground and compresses the spring 5, and the top surface of the moving block 2-2 can abut against the bottom surface of the base rail by the elastic force of the spring 5, at this time the bottom surface of the base rail, the top surface of the moving block 2-2 and the ground are mutually supported by the spring 5, so that the movable hook head 2 can be kept in the state of holding the bottom surface of the base rail;

[0031] To achieve the effect that the second connecting head 2-1 can stably move in the height direction, the second connecting head 2-1 is provided with a sliding groove 8 on both sides, the inner wall of both sides of the moving block 2-2 is fixedly installed with a first sliding block 6 which can be slidingly installed in the sliding groove 8, and the top inner wall of both sides of the support head 2-3 is fixedly installed with a second sliding block 7 which can be slidingly installed in the sliding groove 8, the second sliding block 7 is located below the first sliding block 6, which can limit the highest position of the support head 2-3 rising, prevent the support head 2-3 and the second connecting head 2-1 from falling off from the moving block 2-2, and the cooperation of the first sliding block 6, the second sliding block 7 and the sliding groove 8 can make the second connecting head 2-1 stably move in the height direction.

[0032] The movable hook head 2 further comprises two sliding rails 3 for driving the second connecting head 2-1 to descend, the two sides of the movable hook head 2 are fixedly installed with a driving block 2-4 which can slide in the sliding rail 3, and the bottom end of the sliding rail 3 is fixedly installed with a driving rod 3-1 which can slide in the moving block 2-2, and the driving rod 3-1 is used to drive the sliding rail 3 to move.

[0033] To achieve the effect that the second connecting head 2-1 can cooperate with the moving block 2-2 to clamp the base rail, the movable hook head 2 further comprises two sliding rails 3 for driving the second connecting head 2-1 to descend, the two sides of the movable hook head 2 are fixedly installed with a driving block 2-4 which can slide in the sliding rail 3, and the bottom end of the sliding rail 3 is fixedly installed with a driving rod 3-1 which can slide in the moving block 2-2, and the driving rod 3-1 is used to drive the sliding rail 3 to move, the driving rod 3-1 moves in the moving block 2-2 and drives the sliding rail 3 to move, at this time the driving block 2-4 is limited by the sliding rail 3, so that the driving block 2-4 can slide in the sliding rail 3 and drive the second connecting head 2-1 to descend and cooperate with the moving block 2-2 to clamp the bottom of the base rail, having the effect of pre-clamping and fixing.

[0034] A hand wheel 4 is threadedly connected to the threaded rod 1-2, and the hand wheel 4 is used to control the close contact of the bottom of the basic rail and the point rail with the basic rail.

[0035] In order to achieve the effect of pre-clamping the basic rail, the threaded rod 1-2 is threadedly connected with the hand wheel 4, the hand wheel 4 is moved towards the driving rod 3-1 and is in contact with the driving rod 3-1, at this time, the hand wheel 4 is continuously rotated to drive the driving rod 3-1 to move, and the second connecting head 2-1 is cooperated with the moving block 2-2 to pre-clamp the basic rail;

[0036] In order to achieve the close contact effect of the point rail and the basic rail, the hand wheel 4 is continuously rotated, at this time, the bottom of the basic rail is clamped, so that the hand wheel 4 cannot continue to move towards the close contact hook head 1, so that the close contact hook head 1 can only move towards the hand wheel 4, and the close contact hook head 1 is cooperated with the movable hook head 2 to close the point rail and the basic rail.

[0037] The technical scope of the utility model is not only limited to the content in the above description, and the person skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications should all belong to the scope of the utility model.

Claims

1. A close hook lock for switch operation and maintenance, characterized in that, It comprises a fixed hook head (1) and a movable hook head (2); the movable hook head (2) and the fixed hook head (1) are in transverse sliding fit, the fixed hook head (1) is used for buckling a point rail; The movable hook head (2) is used for buckling a base rail, and when the movable hook head (2) slides towards the fixed hook head (1), the point rail can be tightly attached to the base rail.

2. A positive catch point lock for switch operation and maintenance as defined in claim 1 wherein, The fixed hook head (1) comprises a first connecting head (1-1) for buckling the point rail and a threaded rod (1-2) for guiding the movable hook head (2), the threaded rod (1-2) is fixedly installed at the end of the first connecting head (1-1) and is vertically arranged with the first connecting head (1-1).

3. A positive frog lock as claimed in claim 2, wherein, The movable hook head (2) comprises a second connecting head (2-1) for buckling the base rail and a moving block (2-2) for transverse sliding of the threaded rod (1-2), the second connecting head (2-1) slides on the top of the moving block (2-2) in the height direction, the top surface of the moving block (2-2) can abut against the bottom surface of the base rail, and when the second connecting head (2-1) slides towards the moving block (2-2), the cooperation of the second connecting head (2-1) and the moving block (2-2) can clamp the bottom of the base rail.

4. A positive catch point lock for switch operation and maintenance as defined in claim 3 wherein, The movable hook head (2) further comprises a support head (2-3) for supporting the ground, the support head (2-3) is slidably installed at the bottom of the moving block (2-2) in the height direction, the support head (2-3) is sleeved on the bottom end outer wall of the second connecting head (2-1), and an elastic component for providing a supporting force is arranged between the support head (2-3) and the second connecting head (2-1), when the elastic component is not stressed, the distance between the bottom surface of the support head (2-3) and the bottom surface of the moving block (2-2) is greater than the distance between the bottom surface of the moving block (2-2) and the ground, so that when the support head (2-3) supports the ground, the elastic component can provide a supporting force.

5. A positive catch point lock for switch operation and maintenance as defined in claim 4 wherein, The movable hook head (2) further comprises two slide rails (3) for driving the second connecting head (2-1) to descend, the movable hook head (2) is fixedly installed with a driving block (2-4) capable of sliding in the slide rail (3) on both sides, the bottom end of the slide rail (3) is fixedly installed with a driving rod (3-1) capable of sliding in the moving block (2-2), and the driving rod (3-1) is used for driving the slide rail (3) to move.

6. A positive catch point lock for switch operation and maintenance as defined in claim 5 wherein, A hand wheel (4) is threadedly connected on the threaded rod (1-2), and the hand wheel (4) is used for controlling the clamping of the bottom of the base rail and the tight attachment of the point rail to the base rail.

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