Clamping type steel rail lifting appliance

Abstract

The utility model discloses a clamping type steel rail lifting appliance, which is simple in structure and convenient to use, and forms an adjustable whole with degree of freedom through a yoke plate and a forking arm. When the steel rail is hoisted, the locking arm and the hinge plate tightly press the yoke plate to limit the degree of freedom of the forking arm to form self-locking, so that unhooking is avoided, and the hoisting safety of the steel rail is improved. Self-locking of the device can be achieved through interaction of the components, the steel rail hoisting safety is improved, later component replacement is easy to operate, and hoisting is reliable. And meanwhile, the lifting appliance further has detachability, any part of the lifting appliance can be repaired and replaced according to the actual use and abrasion conditions of the lifting appliance, the working efficiency is improved, and meanwhile the working safety is guaranteed due to the self-locking function. And large-area popularization and application are worthy.

Description

Technical Field

[0001] The utility model relates to the technical field of railway equipment, in particular to a clamping type rail hanger with a self-locking function. Background Art

[0002] In the actual production and processing procedures, rail transport and hoisting operations are often completed by wire rope bundling or ordinary hoists. Although the wire bundling method can hoist multiple rails at a time, it requires operators to bundle the wires, has disadvantages such as rail flipping, and is time-consuming and labor-intensive.

[0003] Ordinary hoists cannot achieve the self-locking function, and there is a possibility of unhooking at the small-section lifting points of the AT rail, which poses certain safety hazards.

[0004] Therefore, how to provide a rail hanger with a self-locking function is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] The utility model provides a clamping type rail hanger.

[0006] The utility model provides the following solutions:

[0007] A clamping type rail hanger, comprising:

[0008] A first forking arm and a second forking arm, wherein the first forking arm and the second forking arm are arranged crosswise and symmetrically and connected by pin bolts to form an X-shaped structure; the first forking arm and the second forking arm are respectively provided with opposite return hooks at the bottom, and the return hooks are used to carry the working rails; the first forking arm and the second forking arm are respectively provided with lifting rings at the top, and the lifting rings are used to be connected to the lifting steel cables; the second forking arm is fixedly connected with a connecting plate;

[0009] A hinge plate, the hinge plate being hinged to the first forking arm and the connecting plate respectively;

[0010] A locking arm is connected to the free end of the hinge plate; when lifting the rail, the return hook portions of the first forking arm and the second forking arm are retracted inward, and the hinge plate drives the locking arm to move and press the first forking arm to form a self-locking structure.

[0011] Preferably: a threaded section is formed at one end of the locking arm, the hinge plate is provided with a threaded hole, and the locking arm is connected to the hinge plate in a threaded matching manner.

[0012] Preferably: the surface of the locking arm is provided with an anti-slip layer.

[0013] Preferably, the anti-slip layer comprises a knurled structure.

[0014] Preferably, a circular arc transition structure is provided at the joint between the return hook portion and the rail.

[0015] According to the specific embodiments provided by the utility model, the utility model discloses the following technical effects:

[0016] Through the utility model, a clamping rail hanger can be realized. In one implementation mode, the hanger can include a first fork-picking arm and a second fork-picking arm, the first fork-picking arm and the second fork-picking arm are arranged crosswise and symmetrically and connected by pin bolts to form an X-shaped structure; the first fork-picking arm and the second fork-picking arm are respectively provided with a relative hook back portion at the bottom, and the hook back portion is used to carry the working rail; the first fork-picking arm and the second fork-picking arm are respectively provided with a lifting ring at the top, and the lifting ring is used to connect with the lifting steel cable; the second fork-picking arm is fixedly connected with a connecting plate; a hinge plate, the hinge plate is respectively hinged with the first fork-picking arm and the connecting plate; a locking arm, the locking arm is connected with the free end of the hinge plate; when the rail is hoisted, the hook back portion of each of the first fork-picking arm and the second fork-picking arm shrinks inward, and the locking arm is driven by the hinge plate to press the first fork-picking arm to form a self-locking structure. The hanger has a simple structure and is easy to use. The connecting plate and the fork-picking arm form an adjustable whole with a degree of freedom. When hoisting the rails, the locking arm and the hinge plate press the connecting plate, limiting the freedom of the fork-taking arm to form a self-locking, avoiding unhooking, and improving the safety of rail hoisting. The interaction of the components can realize the self-locking of the device, improve the safety of rail hoisting, and make the replacement of components easy and reliable. At the same time, the hoist is also detachable, and any part of the device can be repaired and replaced according to the actual use and wear of the device, which improves the work efficiency and ensures the safety of the operation due to the self-locking function. It is worth promoting and using on a large scale.

[0017] 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

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be 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 paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a clamp-on rail hanger provided by an embodiment of the utility model;

[0020] Figure 2 It is a front view of the hinge plate and the locking arm provided in the embodiment of the utility model;

[0021] Figure 3 It is a top view of the hinge plate and the locking arm provided in the embodiment of the utility model;

[0022] Figure 4 It is a side view of the hinge plate and the locking arm provided by the embodiment of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the first forking arm provided in an embodiment of the utility model.

[0024] In the figure: a first forking arm 1, a second forking arm 2, a pin bolt 3, a lifting ring 4, a connecting plate 5, a hinge plate 6, and a locking arm 7. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0026] Example

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , is a clamping type rail hanger provided by an embodiment of the utility model, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the spreader may include:

[0028] A first forking arm 1 and a second forking arm 2, wherein the first forking arm 1 and the second forking arm 2 are arranged crosswise and symmetrically and connected by a pin bolt 3 to form an X-shaped structure; the first forking arm 1 and the second forking arm 2 are respectively provided with a relative return hook at the bottom, and the return hook is used to carry the working rail; the first forking arm 1 and the second forking arm 2 are respectively provided with a lifting ring 4 at the top, and the lifting ring 4 is used to be connected to the lifting cable; the second forking arm 2 is fixedly connected with a connecting plate 5;

[0029] A hinge plate 6, wherein the hinge plate 6 is hinged to the first forking arm 1 and the connecting plate 5 respectively;

[0030] The locking arm 7 is connected to the free end of the hinge plate 6; when the rails are hoisted, the respective hook portions of the first forking arm 1 and the second forking arm 2 are retracted inward, and the locking arm 7 is driven by the hinge plate 6 to press the first forking arm 1 to form a self-locking structure.

[0031] The clamp-on rail hanger provided in the embodiment of the present application has a first forking arm 1 and a second forking arm 2 arranged crosswise and symmetrically and connected by a pin bolt 3 to form an X-shaped structure. The two forking arms are connected by the pin bolt 3 and arranged crosswise and symmetrically. The bottom of the forking arm carries the rail, and the hinge plate 6, the connecting plate 5, and the locking arm 7 are connected by a pin to form a self-locking structure. The clamp-on hanger completes the rail hoisting operation through the lifting ring 4 and the steel cable, which can avoid the hidden danger of unhooking of the point rail with a variable cross section during the hoisting process, especially the small cross section near the end. The clamp-on rail hanger has a simple structure and is easy to use, while avoiding hidden safety hazards in the operation.

[0032] In order to facilitate the installation of the locking arm 7, the embodiment of the present application can also provide that one end of the locking arm 7 forms a threaded section, the hinge plate 6 is provided with a threaded hole, and the locking arm 7 is connected to the hinge plate 6 by threaded matching. The connecting plate 5 and the fork-taking arm form an adjustable whole with freedom. When the rail is hoisted, the locking arm 7 and the hinge plate 6 press the connecting plate 5, limit the freedom of the fork-taking arm to form a self-locking, avoid unhooking, and improve the safety of rail hoisting.

[0033] Since the user needs to manually open the self-locking function of the sling after the lifting is completed, in order to achieve anti-skid, the embodiment of the present application can also provide that the surface of the locking arm 7 is provided with an anti-skid layer. Further, the anti-skid layer includes a knurled structure.

[0034] Furthermore, the embodiment of the present application may provide that an arc transition structure is provided at the joint between the return hook portion and the rail.

[0035] The first forking arm 1 and the second forking arm 2 are arranged symmetrically, forming an "X" shape as a whole. The two forking arms are connected by a pin bolt 3 to form a mutually matching whole. The bottom hook position of the two forking arms carries the working rail. The locking arm 7 is threadedly connected to the hinge plate 6, and forms an adjustable whole with freedom through the connecting plate 5 and the two forking arms. The clamp-type lifting device completes the rail lifting operation together with the steel cable through the lifting ring 4.

[0036] During the rail hoisting operation, the two fork-taking arms are connected by the pin bolt 3 to clamp the rail together, and the lifting height of the mechanical equipment is controlled by the lifting ring 4 and the steel cable to complete the lifting. After lifting, the threaded connection part of the locking arm 7 and the hinge plate 6 is pressed against the first fork-taking arm 1 through the connecting plate 5 to form a self-locking structure, avoiding the hidden danger of unhooking when the lifting point is on a small section of the rail, ensuring the safety of the rail hoisting and transportation operations. The locking arm 7 is provided with knurling to increase the friction between the operator and the locking arm 7. After reaching the designated position, the steel cable is controlled to fall, and the locking arm 7 is lifted to cancel the self-locking, and the rail hoisting is completed.

[0037] The fork-taking arm and the rail joint are provided with a gentle arc transition to increase the contact area with the rail clamping point during hoisting and improve the stability and reliability of hoisting. The thickness of the transition section from the vertical to the bottom horizontal beam is increased to improve the rigidity of the device. The hinge plate 6 and the connecting plate 5 of the self-locking function part are connected with the two fork-taking arms through a pin shaft. The self-locking structure is fully utilized during hoisting, which can effectively avoid the hidden danger of unhooking, especially at the small end face during hoisting.

[0038] In summary, the clamp-on rail hoist provided by the present application has a simple structure and is easy to use. It forms an adjustable whole with freedom through the connecting plate and the fork-taking arm. When the rail is hoisted, the locking arm and the hinge plate press the connecting plate to limit the freedom of the fork-taking arm to form a self-locking, avoid unhooking, and improve the safety of rail hoisting. The interaction between the components can realize the self-locking of the device, improve the safety of rail hoisting, and the later component replacement is easy to operate and the hoisting is reliable. At the same time, the hoist is also detachable, and any part of the device can be repaired and replaced according to the actual use and wear of the device, which improves the work efficiency and ensures the safety of the operation due to the self-locking function. It is worthy of large-scale promotion and use.

[0039] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A clamp-on rail hanger, characterized in that: include: A first forking arm and a second forking arm, wherein the first forking arm and the second forking arm are arranged crosswise and symmetrically and connected by pin bolts to form an X-shaped structure; The first forking arm and the second forking arm are respectively provided with opposite hook parts at their bottoms, and the hook parts are used to carry the working rails; the first forking arm and the second forking arm are respectively provided with lifting rings at their tops, and the lifting rings are used to be connected with the lifting cables; the second forking arm is fixedly connected with a connecting plate; A hinge plate, the hinge plate being hinged to the first forking arm and the connecting plate respectively; A locking arm is connected to the free end of the hinge plate; when lifting the rail, the return hook portions of the first forking arm and the second forking arm are retracted inward, and the hinge plate drives the locking arm to move and press the first forking arm to form a self-locking structure.

2. The clamp-on rail hanger according to claim 1, characterized in that: A threaded section is formed at one end of the locking arm, a threaded hole is provided on the hinge plate, and the locking arm is connected to the hinge plate in a threaded matching manner.

3. The clamp-on rail hanger according to claim 1, characterized in that: The surface of the locking arm is provided with an anti-slip layer.

4. The clamp-on rail hanger according to claim 3, characterized in that: The anti-slip layer includes a knurled structure.

5. The clamp-on rail hanger according to claim 1, characterized in that: A circular arc transition structure is provided at the joint between the return hook portion and the rail.

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