Pin shaft for replacing hanging beam and plate hook of bridge crane
By designing a pin structure including a pin body and a shaft guide, the problem of difficulty in aligning the pin during the replacement of the overhead crane beam and plate hook is solved, achieving precise and rapid pin perforation, and improving the efficiency of the pin. Work efficiency and reduce labor intensity.
Patent Information
- Application Number
- CN202421039694.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-14
AI Technical Summary
When replacing the hoist beams and plate hooks of the bridge crane, it is difficult to align the position during the pin shaft, which consumes a lot of time and manpower.
A pin structure including a pin body and a shaft guide is designed. The shaft guide is plugged into the pin body to achieve precise guidance and alignment, simplifying the process of threading the pin shaft.
The accuracy and fastness of the axis perforation is achieved, the work efficiency is improved, the labor intensity and assembly time are reduced, and the reuse of the sales shaft is allowed.
Smart Images
Figure CN222391722U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bridge crane maintenance, in particular to a pin shaft for replacing a bridge crane hanging beam and a plate hook. Background Art
[0002] As we all know, bridge cranes have been widely used in steel-making enterprises. Due to the harsh operating environment, the beams and plate hooks of bridge cranes are frequently replaced. Among them, the most difficult and time-consuming part is the link of inserting the pin shaft in the matching parts. For example, the pin shaft connecting the plate hook of the beam and the lifting fork of the beam must be aligned with the pin shaft hole of the plate hook and the hole of the lifting fork when inserting the pin shaft. Due to the tight fit and the heavy plate hook, it is extremely difficult to align the position. Often, a lot of time and manpower are wasted in this link. Utility Model Content
[0003] In view of the problems existing in the prior art, the utility model provides a pin shaft for replacing a suspension beam and a plate hook of a bridge crane, which can accurately, quickly and time-savingly complete the pin shaft perforation work.
[0004] The technical solution adopted by the utility model is:
[0005] A pin shaft for replacing a bridge crane beam and a plate hook, comprising:
[0006] A cylindrical pin body; a socket is provided at one end of the pin body;
[0007] A pin shaft guide; the pin shaft guide comprises a truncated cone-shaped guide shaft body; a protrusion cooperating with a socket is arranged on the bottom surface of the guide shaft body; the bottom surface diameter of the guide shaft body is larger than the top surface diameter; after the pin shaft body and the pin shaft guide are plugged in, the two are in a coaxial relationship; a protruding ring is arranged at the other end of the pin shaft body.
[0008] Preferably, the insertion hole is a circular hole, and the circular hole and the pin shaft body are in a coaxial relationship; the protrusion is a cylindrical structure; and the outer diameter of the protrusion is equal to the inner diameter of the circular hole.
[0009] Preferably, the jacks are a plurality of circular holes of the same size located on the same circumference; the protrusions are a plurality of cylinders of the same size located on the same circumference; and the outer diameter of the protrusions is equal to the inner diameter of the circular holes.
[0010] Preferably, the depth of the circular hole is not less than the axial length of the protrusion.
[0011] Compared with the prior art, the advantages and positive effects of this application are:
[0012] The utility model adopts the pin shaft of the above structure, and can accurately, quickly and time-savingly complete the pin shaft perforation work, improve the work efficiency, the pin shaft can be reused, greatly reduce the labor intensity and shorten the assembly time. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] 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 or the description of the prior art 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.
[0014] Figure 1 An exploded view of a preferred embodiment of the utility model;
[0015] Figure 2 It is an assembly diagram of a preferred embodiment of the utility model;
[0016] Figure 3 The first state of the preferred embodiment of the utility model uses a structural diagram;
[0017] Figure 4 The second state of the preferred embodiment of the utility model uses a structural diagram. DETAILED DESCRIPTION
[0018] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.
[0019] In the description of the invention of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 invention of the utility model can be understood according to specific circumstances.
[0020] See also Figure 1 and Figure 2 , the first preferred embodiment, a pin for replacing a bridge crane beam and a plate hook, comprising:
[0021] The pin body 1 is a cylindrical metal shaft 1-1; a socket is provided at one end of the pin body 1; and a raised ring 1-2 is provided at the other end of the pin body 1;
[0022] The pin shaft guide 2 comprises a truncated cone-shaped guide shaft body 2-1; a protrusion 2-2 matching with the insertion hole is arranged on the bottom surface of the guide shaft body 2-1; the bottom surface diameter of the guide shaft body 2-1 is larger than the top surface diameter; after the pin shaft body 1 and the pin shaft guide 2 are plugged in, the two are in a coaxial relationship; the structure after plugging is as follows Figure 2 shown.
[0023] Based on the above preferred embodiments:
[0024] The socket can be a circular hole, in which case the circular hole and the pin body 1 are coaxial; the protrusion is a cylindrical structure; the outer diameter of the protrusion 2-2 is equal to the inner diameter of the circular hole; this ensures that after plugging in, the two can ensure good connection stability.
[0025] Alternatively, the jacks are multiple circular holes of the same size located on the same circumference; the protrusions 2-2 are multiple cylinders of the same size located on the same circumference; the outer diameter of the protrusions 2-2 is equal to the inner diameter of the circular holes.
[0026] The depth of the circular hole is not less than the axial length of the protrusion 2-2.
[0027] It consists of two parts: the pin body and the pin guide. The pin body is used to connect the parts to bear the force, and the guide achieves the function of precise guidance and alignment and can be reused. When the new structural pin is used, the guide is plugged into the pin body and the guide can be removed after the pin is inserted.
[0028] The pin in the utility model mainly comprises two parts: a pin body and a pin guide;
[0029] See also Figure 3 and Figure 4 When in use, the process of connecting and installing the lifting beam fork and the plate hook is as follows:
[0030] 1) Place the hanging beam on the bracket;
[0031] 2) Move the plate hook into the lifting beam fork;
[0032] 3) The plate hook pin shaft hole and the hanging beam fork pin shaft hole are basically aligned, that is, the plate hook pin shaft hole and the hanging beam fork pin shaft hole are coaxial, and they do not need to be completely aligned;
[0033] 4) Figure 2 The right end of the assembled pin shaft is installed into the fork hole from one end of the fork, and passes through the plate hook and completely out from the other end of the fork of the lifting beam. Figure 3 shown.
[0034] 5) Finally, remove the pin guide, such as Figure 4 shown.
[0035] 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 pin for replacing a bridge crane beam and a plate hook, comprising a cylindrical pin body (1); characterized in that: It also includes a pin shaft guide (2); a socket is provided at one end of the pin shaft body (1); the pin shaft guide (2) includes a truncated cone-shaped guide shaft body (2-1); a protrusion (2-2) matching the socket is provided on the bottom surface of the guide shaft body (2-1); the bottom surface diameter of the guide shaft body (2-1) is larger than the top surface diameter; after the pin shaft body (1) and the pin shaft guide (2) are plugged in, the two are in a coaxial relationship; and a protrusion ring (1-2) is provided at the other end of the pin shaft body (1).
2. The pin shaft for replacing the bridge crane beam and plate hook according to claim 1 is characterized in that: The insertion hole is a circular hole, and the circular hole and the pin shaft body (1) are in a coaxial relationship; the protrusion is a cylindrical structure; and the outer diameter of the protrusion (2-2) is equal to the inner diameter of the circular hole.
3. The pin shaft for replacing the bridge crane beam and plate hook according to claim 1, characterized in that: The insertion holes are multiple circular holes of the same size located on the same circumference; the protrusions (2-2) are multiple cylinders of the same size located on the same circumference; the outer diameter of the protrusions (2-2) is equal to the inner diameter of the circular holes.
4. The pin for replacing the bridge crane beam and plate hook according to claim 2 or 3, characterized in that: The depth of the circular hole is not less than the axial length of the protrusion (2-2).