Novel crowbar for railway track circuit

Abstract

The utility model relates to the technical field of railway maintenance tools, and discloses a novel crowbar for a railway track circuit, which comprises a crowbar rod, the bottom end of the crowbar rod is fixedly connected with a first bent rod, the right end of the first bent rod is fixedly connected with a second bent rod, and the right end of the second bent rod is fixedly connected with a prying head. A rotating groove is formed in the left side of the outer wall of the first bent rod, a T-shaped rod is rotationally connected to the inner wall of the rotating groove, a supporting block is fixedly connected to the bottom end of the T-shaped rod, and a protection mechanism is arranged in the middle of the outer wall of the crowbar rod. According to the utility model, through the special bending shape design of the first bending rod and the second bending rod, the prying head can adapt to a complicated space environment around a railway track, so that the prying head can accurately act on a target part at different angles and positions, and meanwhile, an operator is ensured to have enough operation space and a proper force application angle; and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway maintenance tool technical field especially relates to a new crowbar for railway track circuit. BACKGROUND

[0002] In the railway line maintenance operation, the replacement of steel rail is particularly important, when the steel rail appears serious wear, fracture or replacement turnout and other damage that cannot be repaired, the new steel rail needs to be replaced in time, so as to ensure the integrity of railway track structure and driving safety, especially when the steel rail or turnout in interlocking area needs to be replaced, the existing turnout jumper and lead-in line plug needs to be removed first by using'skylight', especially the plug of the replacement frog part is multiplied in difficulty, therefore a new crowbar for railway track is needed.

[0003] Through the retrieval, the utility model discloses a folding crowbar, including first rod body and second rod body, the end of first rod body and second rod body is hinged, the end of first rod body away from second rod body is sharp mouth, the end of second rod body away from first rod body is flat mouth, the outside of second rod body is fixedly connected with limit block, the outside of first rod body is equipped with limit sleeve, and the limit sleeve and first rod body are provided with limit mechanism, the folding crowbar, through the cooperation between first rod body, second rod body, limit sleeve and limit mechanism, can be folded while ensuring its length, is labor-saving and more portable, and is more convenient to use, through the cooperation between sleeve rod and cross bar, in the use process, the end of the staff can hold the pole piece, improves the comfort degree of tool use, is favorable to the staff to exert force, but in the actual use process, since the inside of line track is generally installed with guard rail, the distance between guard rail and line steel rail head is small, in the line maintenance process, when the plug is pressed down by the crowbar, the guard rail can block the crowbar rod, so that the lever action of the crowbar head cannot be exerted, the normal use of the crowbar is hindered, so the practicability of the device is reduced. UTILITARIAN CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a new crowbar for railway track circuit, which aims at improving the problem that when the plug is pressed down by the crowbar, the guard rail can block the crowbar rod, so that the lever action of the crowbar head cannot be exerted, the normal use of the crowbar is hindered, so the practicability of the device is reduced.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: a new type of crowbar for railway track circuit, including crowbar rod, the bottom of the crowbar rod is fixedly connected with first curved rod, the right -hand member of first curved rod is fixedly connected with second curved rod, the right -hand member of second curved rod is fixedly connected with crowbar head, the outer wall left side of first curved rod is equipped with rotary groove, the inner wall of rotary groove is rotatably connected with T-shaped rod, the bottom of T-shaped rod is fixedly connected with support block, the outer wall middle part of crowbar rod is provided with protection mechanism.

[0006] Through the above technical scheme: through the special curved shape design of first curved rod and second curved rod, the complex space environment around the railway track can be adapted to, the crowbar head can be accurately acted on the target component at different angles and positions, the operator has enough operating space and suitable force angle simultaneously, the efficiency and convenience of prying operation are improved, since the support block is connected with T-shaped rod and can rotate in the rotary groove, when prying the peg, the rotating support can be provided.

[0007] As further description of the above technical scheme:

[0008] The protection mechanism includes two fixed rings, two fixed rings are fixedly connected on the outer wall of the crowbar rod, the outer wall of two fixed rings is equipped with thread groove no.

[0009] Through the above technical scheme: since the outer wall of the fixed ring is equipped with the thread groove no.

[0010] As further description of the above technical scheme:

[0011] The outer wall of the first curved rod is fixedly connected with the reinforcing rib no.

[0012] Through the above technical scheme: in the prying process, the crowbar parts will bear large force, the reinforcing rib no.

[0013] As a further description of the above technical solution:

[0014] The bottom of the supporting block is provided with a rubber pad, the top of the supporting block is threadedly connected with screws around, and the bottom ends of the screws are threadedly connected with the screws penetrating through the supporting block.

[0015] Through the above technical solution: the rubber pad plays a role of increasing friction and buffering, prevents the supporting block from sliding when being stressed, and ensures the stability of the support.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the pry head is provided with a groove on the right side, and a plurality of anti-skid blocks are fixedly connected to the inner wall of the groove.

[0018] Through the above technical solution: when the plug needs to be prised, the plurality of anti-skid blocks in the groove of the pry head are in close contact with the surface of the plug, the friction between the pry head and the plug is increased, and the pry head is not easy to slide when force is applied.

[0019] As a further description of the above technical solution:

[0020] The outer wall of the pry bar is provided with a threaded groove three on the top, and a protective cover is threadedly connected to the outer wall of the threaded groove three.

[0021] Through the above technical solution: the protective cover provides protection for the top end of the pry bar, preventing the user from being pricked by the top end of the pry bar.

[0022] As a further description of the above technical solution:

[0023] The outer wall of the two rubber sleeves is provided with a plurality of anti-skid grooves, the plurality of anti-skid grooves are staggered, the protective cover provides protection for the top end of the pry bar, and the user is prevented from being pricked by the top end of the pry bar.

[0024] Through the above technical solution: the main function of the anti-skid groove is to further increase the friction of the outer wall of the rubber sleeve, thereby enhancing the stability of the operator when holding the pry bar.

[0025] As a further description of the above technical solution:

[0026] The two holding handles are consistent in size, and the lengths of the two holding handles are equal.

[0027] Through the above technical solution: the two holding handles are consistent in size, so that the two holding handles can be replaced, saving time during assembly.

[0028] The utility model has the advantages of:

[0029] 1. The utility model discloses a special bending shape design of first bending rod and second bending rod can adapt to the complex space environment around the railway track, can adapt to the prying of vertical nail and horizontal nail, make the pry head can be in different angle and position accurate effect on target component, guarantee the operator to have enough operating space and proper force angle of application simultaneously, improve the efficiency and convenience of prying operation, and reduce the risk of injury of operating personnel because of the accidental sliding of pry bar.

[0030] 2. The utility model discloses through the rotation of holding handle makes holding handle can realize up and down movement to adjust the holding position of user, is applicable to different people, and rubber cover not only provides comfortable holding hand feeling, but also enhances the friction between hand and pry bar, prevents accidental hand slip, and the buffering performance of rubber cover can effectively protect the hand of operator from being hurt when the pry bar is subjected to reaction force or accidental impact. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 A perspective view of a novel pry bar for a railway track circuit is provided for the utility model;

[0032] Figure 2 A partial structure split drawing of a novel pry bar for a railway track circuit is provided for the utility model;

[0033] Figure 3 A partial structure schematic view of a novel pry bar for a railway track circuit is provided for the utility model;

[0034] Figure 4 A protective cover schematic view of a novel pry bar for a railway track circuit is provided for the utility model;

[0035] Figure 5 A protective mechanism schematic view of a novel pry bar for a railway track circuit is provided for the utility model.

[0036] LEGEND:

[0037] 1, pry bar; 2, protection mechanism; 201, fixed ring; 202, thread groove one; 203, holding handle; 204, thread groove two; 205, rubber cover; 3, first bending rod; 4, second bending rod; 5, pry head; 6, rotation groove; 7, T-shaped rod; 8, support block; 9, reinforcing rib one; 10, reinforcing rib two; 11, rubber pad; 12, screw; 13, recess; 14, antiskid block; 15, thread groove three; 16, protective cover; 17, antiskid groove. DETAILED DESCRIPTION

[0038] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0039] With reference to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a new crowbar for railway track circuit, including crowbar rod 1, as the main support part of the whole crowbar, providing the basis for the operator to hold and apply force, while bearing the task of transmitting force, the bottom end of the crowbar rod 1 is fixedly connected with the first curved rod 3, which changes the direction of force transmission, so that the crowbar can adapt to the complex space environment around the railway track, the right end of the first curved rod 3 is fixedly connected with the second curved rod 4, which further adjusts the position and angle of the crowbar head 5, so that the crowbar head 5 can accurately act on the target position on the railway track component, the right end of the second curved rod 4 is fixedly connected with the crowbar head 5, when the crowbar head 5 contacts the track component, the operator transmits the force through the crowbar rod 1, the first curved rod 3 and the second curved rod 4, so that the crowbar head 5 exerts pressure or tension on the track component, the outer wall left side of the first curved rod 3 is provided with a rotating groove 6, the inner wall of the rotating groove 6 is rotatably connected with a T-shaped rod 7, the rotating groove 6 is provided on the left side of the outer wall of the first curved rod 3, providing a rotating space and track for the T-shaped rod 7, the T-shaped rod 7 connects the support block 8 and the first curved rod 3, and the angle adjustment of the support block 8 is realized through the rotating movement in the rotating groove 6, the bottom end of the T-shaped rod 7 is fixedly connected with the support block 8, and the outer wall of the crowbar rod 1 is provided with a protection mechanism 2; the outer wall of the first curved rod 3 is fixedly connected with a reinforcing rib one 9 on the front and back sides, both of the two reinforcing rib ones 9 are fixedly connected with the crowbar rod 1 and the second curved rod 4, the reinforcing rib one 9 is connected with the crowbar rod 1, the first curved rod 3 and the second curved rod 4 respectively, so as to enhance the strength and stability of the connection between the three components, the outer wall of the second curved rod 4 is fixedly connected with a reinforcing rib two 10 on the front and back sides, the right ends of the two reinforcing rib twos 10 are fixedly connected with the crowbar head 5, the reinforcing rib two 10 connects the second curved rod 4 and the crowbar head 5, so as to enhance the connection strength between the crowbar head 5 and the second curved rod 4; the bottom of the support block 8 is provided with a rubber pad 11, the top of the support block 8 is screw-connected with a screw 12 around, the bottom ends of the plurality of screws 12 are penetratingly screw-connected with the screw 12, the rubber pad 11 plays a role of increasing friction and buffering, preventing the support block 8 from sliding when being stressed, and ensuring the stability of the support;

[0040] Specifically, through the special bending shape design of the first bending rod 3 and the second bending rod 4, the complex space environment around the railway track can be adapted, so that the pry head 5 can accurately act on the target component at different angles and positions, while ensuring that the operator has sufficient operating space and appropriate force application angle, improving the efficiency and convenience of prying operation. Since the support block 8 is connected to the T-shaped rod 7 and can rotate in the rotating groove 6, it can provide rotating support when prying the plug; during prying, the pry bar parts will bear a large force, and the reinforcing rib one 9 and the reinforcing rib two 10 can effectively disperse these forces to prevent stress concentration and breakage or deformation at the connection part; the rubber pad 11 increases the friction and buffering effect, prevents the support block 8 from sliding under stress, and ensures the stability of the support.

[0041] With reference to Figure 4 and Figure 5 , the protection mechanism 2 includes two fixed rings 201, both of which are fixedly connected to the outer wall of the pry bar 1 to provide a stable mounting platform for the holding handle 203, ensuring that the holding handle 203 can be firmly connected to the pry bar 1. The outer wall of each fixed ring 201 is provided with a threaded groove one 202, and the outer wall of each threaded groove one 202 is threadedly connected with a holding handle 203. The threaded design of the threaded groove one 202 allows the holding handle 203 to adjust the axial position on the fixed ring 201 through rotational movement, to adapt to the hand size, operation habits of different operators, and the needs of holding position in different operation scenarios. The inner wall of each holding handle 203 is provided with a threaded groove two 204, and the outer wall of the threaded groove two 204 is fixedly connected with a rubber sleeve 205, providing a comfortable holding feeling. The soft material can reduce the pressure of the holding handle 203 on the hand, making the operator feel more comfortable when holding the pry bar for a long time, reducing the degree of hand fatigue, thereby improving the endurance and efficiency of operation. The two holding handles 203 are identical in size and equal in length, so that the two holding handles 203 can be replaced, saving time during assembly.

[0042] Specifically, since the outer wall of the fixing ring 201 is provided with a threaded groove one 202, the holding handle 203 is threadedly connected with the fixing ring 201, the holding handle 203 can be moved up and down by rotating the holding handle 203, so as to adjust the holding position of the user, which is suitable for different people, the rubber sleeve 205 not only provides a comfortable holding feeling, but also enhances the friction between the hand and the crowbar, prevents the hand from accidentally slipping, the buffering performance of the rubber sleeve 205 can effectively protect the hands of the operator from being injured when the crowbar is subjected to a reaction force or an accidental impact, and the insulation characteristics of the rubber sleeve 205 provide additional electrical safety protection for the operator in the case that there are electrical equipment around the railway track or the possibility of contacting live parts, thereby reducing the risk of electric shock; the two holding handles 203 are consistent in size, so that the two holding handles 203 can be replaced, saving time during assembly.

[0043] With reference to Figure 1 , Figure 2 and Figure 5 , the outer wall of the pry head 5 is provided with a groove 13 on the right side, and a plurality of anti-skid blocks 14 are fixedly connected to the inner wall of the groove 13, when it is necessary to pry the plug, the plurality of anti-skid blocks 14 in the groove 13 of the pry head 5 are in close contact with the surface of the plug, increasing the friction between the pry head 5 and the plug, so that the pry head 5 is not easy to slide when force is applied, ensuring the accuracy and effectiveness of the prying operation; the outer wall of the top of the crowbar rod 1 is provided with a threaded groove three 15, and a protective cover 16 is threadedly connected to the outer wall of the threaded groove three 15, the protective cover 16 provides protection for the top end of the crowbar rod 1, preventing the user from being stabbed by the top end of the crowbar rod 1; the outer wall of the two rubber sleeves 205 is provided with a plurality of anti-skid grooves 17, which are staggered between the plurality of anti-skid grooves 17, the main function of the anti-skid grooves 17 is to further increase the friction of the outer wall of the rubber sleeve 205, thereby enhancing the stability of the operator holding the crowbar;

[0044] Specifically, when it is necessary to pry the plug, the plurality of anti-skid blocks 14 in the groove 13 of the pry head 5 are in close contact with the surface of the plug, increasing the friction between the pry head 5 and the plug, so that the pry head 5 is not easy to slide when force is applied, ensuring the accuracy and effectiveness of the prying operation; the protective cover 16 provides protection for the top end of the crowbar rod 1, preventing the user from being stabbed by the top end of the crowbar rod 1; the main function of the anti-skid grooves 17 is to further increase the friction of the outer wall of the rubber sleeve 205, thereby enhancing the stability of the operator holding the crowbar.

[0045] Working principle: before using the device, first through the special bending shape design of the first bending rod 3 and the second bending rod 4, can adapt to the complex space environment around the railway track, make the crowbar head 5 can be in different angle and position accurately act on the target component, while ensuring that the operator has enough operating space and appropriate force angle, improve the efficiency and convenience of the pry operation, the pry stick rod 1 is placed transversely, so that the pry head 5 is inserted into the gap between the track side, the plug pin and the rail, because the support block 8 is connected with the T-shaped rod 7 and can rotate in the rotating groove 6, adjust the support block 8 so that the support block 8 sticks to the track side, so that it can provide rotating support when prying, force in the opposite direction, that is, the plug pin can be pried out; and by rotating the holding handle 203, the holding handle 203 can be moved up and down, so as to adjust the holding position of the user, suitable for different people, the rubber sleeve 205 not only provides comfortable holding feeling, but also enhances the friction between the hand and the pry stick, prevents the hand from slipping accidentally, the buffer performance of the rubber sleeve 205 can effectively protect the hands of the operator from injury when the pry stick is subjected to reaction force or accidental impact.

[0046] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A new type of lever for railway track circuits, comprising a lever bar (1), characterized in that: The bottom end of the crowbar rod (1) is fixedly connected with a first curved rod (3), the right end of the first curved rod (3) is fixedly connected with a second curved rod (4), the right end of the second curved rod (4) is fixedly connected with a crowbar head (5), the outer wall left side of the first curved rod (3) is provided with a rotating groove (6), the inner wall of the rotating groove (6) is rotatably connected with a T-shaped rod (7), the bottom end of the T-shaped rod (7) is fixedly connected with a supporting block (8), and the outer wall middle part of the crowbar rod (1) is provided with a protection mechanism (2).

2. A new type of crowbar for railway track circuit according to claim 1 characterized in that: The protection mechanism (2) comprises two fixed rings (201), both of which are fixedly connected with the outer wall of the crowbar rod (1), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a threaded groove (202) on the outer wall of the fixed ring (201), both of which are provided with a 3. A new type of crowbar for railway track circuit according to claim 1 characterized in that: ​ 4. A new type of crowbar for railway track circuit according to claim 1 characterized in that: ​ 5. A new type of crowbar for railway track circuit according to claim 1 characterized in that: ​ 6. A new type of lever for railway track circuit according to claim 1 characterized in that: ​ 7. A new type of lever for railway track circuit according to claim 2 characterized in that: ​ 8. A new type of lever for railway track circuit according to claim 2 characterized in that: ​

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