Integrated anti-drop pulley hook for erecting railway overhead line system

Abstract

The utility model discloses an integrated anti-drop pulley hook for erecting a railway overhead line system, which comprises a hook component, and the hook component comprises a hook rod and a movable rod; and an anti-falling assembly, the anti-disengaging assembly comprises a supporting plate connected to the lower end of the movable rod in a sleeving mode, a hollow groove formed in the center of the upper end of the supporting plate, guide rods fixedly connected to the inner portions of the two ends of the supporting plate, and first telescopic springs surrounding the outer portions of the upper ends of the guide rods. The pulley is placed below the supporting plate; and the supporting blocks are fixedly connected to the two sides of the upper end of the pulley. The pulley hook solves the problems that an existing pulley hook for overhead line system erection is not integrally connected with a pulley and cannot be tightly fixed with a carrier cable, so that the pulley hook and the pulley are prone to falling off in the overhead line erection process, or due to the fact that the pulley is disengaged from a groove in the rotating process, the contact line is clamped and damaged, the contact line needs to be replaced, and the contact line is damaged. And the cost is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of railway contact network erection hooks, in particular to an integrated anti-slip pulley hook for railway contact network erection. Background Art

[0002] The hook used for contact line erection is a device used to suspend and fix the contact line, usually made of metal materials. The hook body is the main part of the S hook, which is used to connect with the contact line; the hook tongue is used to connect with the suspension device to suspend the contact line on the load-bearing cable. During the contact line erection process, the construction workers will fix the contact line on the hook body of the S hook, then connect the hook tongue of the S hook with the suspension device, and finally hang the entire device on the load-bearing cable.

[0003] However, it still has the following disadvantages in actual use:

[0004] The existing pulley hook for contact network erection is not integrally connected to the pulley and cannot be tightly fixed to the load-bearing cable, which causes the pulley hook and the pulley to easily fall off during the contact line erection process, or the pulley is out of the groove during rotation, causing the contact line to get stuck and damaged, requiring the contact line to be replaced, which increases costs. Utility Model Content

[0005] The purpose of the utility model is to provide an integrated anti-drop pulley hook for railway contact network erection, so as to solve the problem in the above-mentioned background technology that the existing pulley hook for contact network erection is not integrally connected to the pulley and cannot be tightly fixed to the load-bearing cable, resulting in the pulley hook and the pulley easily falling off during the contact line erection process, or the pulley is out of the groove during rotation, causing the contact line to be stuck and damaged, and the contact line needs to be replaced, which increases the cost.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is an integrated anti-slip pulley hook for installing a railway contact network, comprising:

[0008] A hook assembly, the hook assembly comprising a hook rod and a movable rod;

[0009] The anti-slip assembly includes a support plate sleeved on the lower end of a movable rod, a hollow groove opened at the central position of the upper end of the support plate, a guide rod fixedly connected to the inner positions of both ends of the support plate, a first telescopic spring surrounding the outer position of the upper end of the guide rod, a pulley placed below the support plate, and support blocks fixedly connected to the positions on both sides of the upper end of the pulley.

[0010] Further, the hook assembly also includes a hook tongue;

[0011] The hook tongue is fixedly connected to the upper end of the hook rod, and the movable rod is threadedly connected to the inner position of the lower end of the hook rod.

[0012] Furthermore, the movable rod is an I-shaped structure, and corresponding thread structures are provided on the outer surface of the movable rod and inside the lower end of the hook rod.

[0013] Furthermore, both ends of each of the first telescopic springs are respectively fixedly connected to the top of the inner position of each end of the support plate and the corresponding upper end position of the support block, and the support block is sleeved on the outer surface position of the guide rod.

[0014] Furthermore, it also includes a movable component, which includes a through hole, a limit rod, a support plate and a second telescopic spring;

[0015] The through hole is opened at the inner position of the upper end of the hook rod and extends to the inside of the hook tongue. The limiting rod is placed inside the through hole. The support plate is fixedly connected to the outer end of the limiting rod. The second telescopic spring surrounds the outer surface of the outer end of the limiting rod.

[0016] Furthermore, two ends of the second telescopic spring are respectively fixedly connected to the inner side surface of the support plate and the outer surface of the hook rod, and the support plate is located at the outer side of the hook rod.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] 1. The utility model provides an anti-slip assembly. When the pulley is in contact with the upper end of the contact line, the movable rod is rotated downward, so that the movable rod drives the support plate to move downward, and the support plate drives the pulley to move downward. Since the pulley is blocked by the contact line, the pulley moves upward relative to the support plate, and the first telescopic spring is compressed by the support block. The first telescopic spring is compressed to generate elastic force and exerts a downward force on the pulley, so that the pulley is always in contact with the upper end of the contact line, thereby preventing the pulley from falling off.

[0019] 2. Based on beneficial effect 1, by setting a movable component, the support plate is pulled outward, so that the support plate drives the limit rod to move outward, thereby placing the hook tongue on the outer surface of the load-bearing cable. After the placement is completed, under the elastic force of the second telescopic spring, the support plate and the limit rod are reset, and the outer end of the limit rod enters the interior of the hook tongue, thereby closing the hook tongue and preventing the hook tongue from separating from the load-bearing cable.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is the front view of the utility model;

[0023] Figure 2 This is a structural diagram of the hook assembly of the utility model;

[0024] Figure 3 This is a structural diagram of the anti-slip assembly of the utility model;

[0025] Figure 4 This is a structural diagram of the active components of the utility model.

[0026] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0027] 11. Hook rod; 12. Hook tongue; 13. Movable rod; 21. Support plate; 22. Hollow groove; 23. Guide rod; 24. First telescopic spring; 25. Pulley; 26. Support block; 31. Through hole; 32. Limit rod; 33. Support plate; 34. Second telescopic spring. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0029] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0030] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0031] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0032] See also Figure 1-3As shown, this embodiment is a railway contact network erection integrated anti-slip pulley hook, comprising:

[0033] A hook assembly, the hook assembly comprising a hook rod 11 and a movable rod 13;

[0034] The anti-slip assembly includes a support plate 21 sleeved at the lower end of the movable rod 13, a hollow groove 22 opened at the central position of the upper end of the support plate 21, a guide rod 23 fixedly connected to the inner positions of both ends of the support plate 21, a first telescopic spring 24 surrounding the outer position of the upper end of the guide rod 23, a pulley 25 placed at the lower position of the support plate 21, and support blocks 26 fixedly connected to the upper ends of the pulley 25.

[0035] The support plate 21 is used to support the guide rod 23, the guide rod 23 is used to support and guide the support block 26, the hollow groove 22 is used to place the movable rod 13, the first telescopic spring 24 is used to reset the pulley 25, the pulley 25 is used to contact the contact line, and the support block 26 is used to support the pulley 25;

[0036] The hook assembly also includes a hook tongue 12;

[0037] The hook tongue 12 is fixedly connected to the upper end of the hook rod 11, and the movable rod 13 is threadedly connected to the inner position of the lower end of the hook rod 11;

[0038] The hook tongue 12 is used to connect with the load-bearing cable, and the movable rod 13 is used to drive the support plate 21 to move;

[0039] The movable rod 13 is an I-shaped structure, and the outer surface of the movable rod 13 and the lower end of the hook rod 11 are provided with corresponding thread structures;

[0040] When the movable rod 13 rotates, it moves inside the lower end of the hook rod 11 through the threaded structure;

[0041] Both ends of each of the first telescopic springs 24 are respectively fixedly connected to the top of each end of the support plate 21 and the upper end of the corresponding support block 26, and the support block 26 is sleeved on the outer surface of the guide rod 23;

[0042] When the support block 26 moves upward along the guide rod 23, the first telescopic spring 24 can be driven to be compressed;

[0043] Working principle: When the pulley 25 contacts the upper end of the contact line, the movable rod 13 is rotated to move the movable rod 13 downward and drive the support plate 21 to move downward. The support plate 21 moves downward and drives the pulley 25 to move downward. Since the bottom end of the pulley 25 is blocked by the upper end of the contact line, the pulley 25 remains stationary, so that the guide rod 23 moves downward and the first telescopic spring 24 is compressed under the drive of the support block 26. The first telescopic spring 24 is deformed to generate elastic force to apply a downward force to the pulley 25, so that the pulley 25 is always in contact with the upper end of the contact line, thereby preventing the pulley 25 from falling off at the upper end of the contact line.

[0044] See also Figure 4 As shown, this embodiment is based on the above embodiment and also includes:

[0045] A movable assembly, the movable assembly includes a through hole 31, a limit rod 32, a support plate 33 and a second telescopic spring 34;

[0046] The through hole 31 is opened at the inner position of the upper end of the hook rod 11 and extends to the inside of the hook tongue 12. The limiting rod 32 is placed inside the through hole 31. The support plate 33 is fixedly connected to the outer end of the limiting rod 32. The second telescopic spring 34 surrounds the outer surface of the outer end of the limiting rod 32.

[0047] The through hole 31 is used to place a limit rod 32, the limit rod 32 is used to close the hook tongue 12, the support plate 33 is used to support the second telescopic spring 34, and the second telescopic spring 34 is used to drive the support plate 33 to reset;

[0048] The two ends of the second telescopic spring 34 are respectively fixedly connected to the inner side of the support plate 33 and the outer surface of the hook rod 11, and the support plate 33 is located at the outer side of the hook rod 11;

[0049] When the support plate 33 moves outward, the limiting rod 32 can be driven to move outward and the second telescopic spring 34 can be driven to stretch;

[0050] Working principle: when it is necessary to connect the hook tongue 12 and the load-bearing cable, an outward force is applied to the support plate 33, and the support plate 33 moves outward to drive the limit rod 32 to move outward, and drives the second telescopic spring 34 to stretch and generate elastic force. When the limit rod 32 moves outward, the lower end of the hook tongue 12 is not closed. At this time, the hook tongue 12 and the load-bearing cable can be connected. When the connection is completed, the force applied to the support plate 33 is released. Under the elastic force of the second telescopic spring 34, the support plate 33 moves inward and drives the limit rod 32 to move inward, so that the outer end of the limit rod 32 moves to the inside of the hook tongue 12, thereby closing the hook tongue 12.

[0051] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A railway contact network installation integrated anti-slip pulley hook, characterized in that: include: A hook assembly, the hook assembly comprising a hook rod (11) and a movable rod (13); An anti-slip assembly comprises a support plate (21) sleeved on the lower end of a movable rod (13), a hollow groove (22) provided at the central position of the upper end of the support plate (21), a guide rod (23) fixedly connected to the inner positions of both ends of the support plate (21), a first telescopic spring (24) surrounding the outer position of the upper end of the guide rod (23), a pulley (25) placed at a position below the support plate (21), and support blocks (26) fixedly connected to the upper ends of the pulley (25) on both sides.

2. The railway contact network installation integrated anti-slip pulley hook according to claim 1, characterized in that: The hook assembly also includes a hook tongue (12); The hook tongue (12) is fixedly connected to the upper end of the hook rod (11), and the movable rod (13) is threadedly connected to the inner position of the lower end of the hook rod (11).

3. The railway contact network installation integrated anti-slip pulley hook according to claim 1, characterized in that: The movable rod (13) is an I-shaped structure, and corresponding thread structures are provided on the outer surface of the movable rod (13) and inside the lower end of the hook rod (11).

4. The railway contact network erection integrated anti-slip pulley hook according to claim 1, characterized in that: Both ends of each of the first telescopic springs (24) are respectively fixedly connected to the top of the inner position of each end of the support plate (21) and the upper end position of the corresponding support block (26), and the support block (26) is sleeved on the outer surface position of the guide rod (23).

5. The railway contact network installation integrated anti-slip pulley hook according to claim 1, characterized in that: It also includes a movable component, the movable component including a through hole (31), a limiting rod (32), a support plate (33) and a second telescopic spring (34); The through hole (31) is formed at an inner position of the upper end of the hook rod (11) and extends to the inside of the hook tongue (12); the limiting rod (32) is placed inside the through hole (31); the support plate (33) is fixedly connected to the outer end of the limiting rod (32); and the second telescopic spring (34) surrounds the outer surface of the outer end of the limiting rod (32).

6. The railway contact network erection integrated anti-slip pulley hook according to claim 5, characterized in that: The two ends of the second telescopic spring (34) are respectively fixedly connected to the inner side surface of the support plate (33) and the outer surface of the hook rod (11), and the support plate (33) is located outside the hook rod (11).

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