A pickling line trolley line expansion joint

By designing the T-shaped mounting groove and U-shaped groove structure of the expansion joint of the pickling line sliding contact line, the problem of the expansion joint being difficult to replace quickly after wear was solved, thus improving the replacement efficiency and stability of the equipment.

CN224472888UActive Publication Date: 2026-07-07JIANGYIN XINGCHENG GOLD MATERIALS CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGYIN XINGCHENG GOLD MATERIALS CO LTD
Filing Date
2025-06-24
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

The existing sliding contact line expansion joints in pickling lines are difficult to replace quickly after wear, resulting in prolonged equipment hot shutdown time and a lack of effective positioning and support functions.

Method used

The connector body is designed with a T-shaped groove for mounting, combined with a U-shaped groove and an expanded neck, to provide positioning and support capabilities and simplify the replacement process.

Benefits of technology

It enables quick replacement and reliable fixing of the sliding contact line expansion joint, shortening the equipment's hot shutdown time.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses an expansion joint for a pickling line sliding contact line, relating to the field of sliding contact line technology. The utility model includes a rectangular block-shaped connector body with a rail-connecting end and a compensation end at each end. A mounting opening is provided on the top surface of the connector body near the compensation end. The mounting opening has a T-shaped structure with the smaller diameter portion facing the top surface of the connector body. An extension groove extending to the end face of the connector body is provided on the outer side of the mounting opening. The extension groove consists of an outer strip portion and an inner strip portion connected to each other. The outer strip portion connects to the smaller diameter section of the mounting opening, and the width of the outer strip portion is consistent with the inner diameter of the smaller diameter section of the mounting opening. By designing the circular mounting opening of the connector body as a strip structure with a T-shaped cross-section mounting groove, this utility model provides a certain positioning and support capacity, enabling quick replacement of the expansion joint and ensuring reliable and stable fixing of the sliding contact line expansion joint, thus shortening the hot-stop time.
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Description

Technical Field

[0001] This utility model belongs to the field of sliding contact line technology, and in particular relates to a sliding contact line expansion joint for pickling lines. Background Technology

[0002] like Figure 3 The image shows the expansion joint of the sliding contact line on the current pickling line. The area away from the rail end is provided with a round hole for installation and connection. In actual use, due to the wear of the blade and the expansion joint, the expansion joint may be worn and damaged, which may cause the blade to jump out of the sliding contact line and cause the equipment to stop.

[0003] Therefore, the expansion joint needs to be replaced. However, since the round hole does not have a positioning function and the diameter of the round hole is small, the front and rear positions need to be constantly adjusted during installation, which is time-consuming and greatly increases the equipment's hot shutdown time. Summary of the Invention

[0004] The purpose of this utility model is to provide an expansion joint for a pickling line sliding contact line. By designing the circular hole of the connector body as a strip structure with a T-shaped cross-section mounting groove, it can provide a certain positioning and support capacity, enable quick replacement of the expansion joint, and ensure the reliability and stability of the sliding contact line expansion joint fixing, thereby shortening the hot stop time.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is a sliding contact line expansion joint for pickling lines, comprising a rectangular block-shaped connector body, with a rail connection end and a compensation end respectively provided at both ends of the connector body;

[0007] The top surface of the connector body near the compensation end is provided with an installation port, which is a T-shaped structure with the small diameter part facing the top surface of the connector body.

[0008] The mounting port is provided with an extension groove extending to the end face of the connector body. The extension groove is composed of an outer strip and an inner strip that are connected to each other.

[0009] The outer strip is connected to the small-diameter section of the mounting opening, and the width of the outer strip is consistent with the inner diameter of the small-diameter section of the mounting opening;

[0010] The inner strip is connected to the large-diameter section of the mounting opening, and the width of the inner strip is consistent with the inner diameter of the large-diameter section of the mounting opening.

[0011] Furthermore, the connector body has a groove at the rail-connecting end, which forms a U-shaped groove structure at the rail-connecting end of the connector body.

[0012] Furthermore, the connecting end of the connector body is provided with a set of bolt holes, both of which are connected to the groove.

[0013] Furthermore, the compensation end of the connector body is provided with a straight groove, one end of which is flush with the end face of the connecting end of the connector body, and the other end of which is connected to the groove.

[0014] Furthermore, the outer end of the straight groove is provided with a flared neck opening, the width of which increases sequentially from bottom to top and from inside to outside.

[0015] This utility model has the following beneficial effects:

[0016] This utility model designs the circular mounting opening of the connector body as a strip structure with a T-shaped cross-section mounting groove, which can provide a certain positioning and support capabilities, enable quick replacement of the expansion joint, and ensure the reliability and stability of the sliding contact line expansion joint fixing, thus shortening the hot stop time.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an expansion joint for a pickling line sliding contact line according to the present invention;

[0020] Figure 2 This is a structural schematic diagram from another perspective of the present invention;

[0021] Figure 3 This is a schematic diagram of the existing connector body;

[0022] The attached diagram lists the components represented by each number as follows:

[0023] 1-Connector body, 101-Mounting port, 102-Extension groove, 103-Outer strip, 104-Inner strip, 105-Groove, 106-Bolt port, 107-Straight groove, 108-Expanded neck. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-2 As shown, this utility model is a sliding contact line expansion joint for pickling lines, including a rectangular block-shaped connector body 1, with a rail connection end and a compensation end respectively provided at both ends of the connector body 1.

[0026] The top surface of the connector body 1 near the compensation end is provided with an installation port 101. The installation port 101 is a T-shaped structure with the small diameter part facing the top surface of the connector body 1.

[0027] An extension groove 102 extending to the end face of the connector body 1 is provided on the outer side of the mounting port 101. The extension groove 102 is composed of an outer strip portion 103 and an inner strip portion 104 that are connected to each other.

[0028] The outer strip 103 is connected to the small-diameter section of the mounting port 101, and the width of the outer strip 103 is the same as the inner diameter of the small-diameter section of the mounting port 101;

[0029] The inner strip 104 is connected to the large-diameter section of the mounting port 101, and the width of the inner strip 104 is the same as the inner diameter of the large-diameter section of the mounting port 101.

[0030] Among them, such as Figure 2 As shown, the connecting end of the connector body 1 is provided with a groove 105, which forms a U-shaped groove structure at the connecting end of the connector body 1.

[0031] Among them, such as Figure 1 As shown, the connecting end of the connector body 1 is provided with a set of bolt holes 106, and both bolt holes 106 are connected to the groove 105.

[0032] Among them, such as Figure 2 As shown, the compensation end of the connector body 1 is provided with a straight groove 107. One end of the straight groove 107 is flush with the end face of the connecting end of the connector body 1, and the other end of the straight groove 107 is connected to the groove 105.

[0033] Among them, such as Figure 1-2 As shown, the outer end of the straight groove 107 is provided with a flared neck 108, the width of the flared neck 108 increases from bottom to top, and the width of the flared neck 108 increases from inside to outside.

[0034] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0035] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A sliding contact line expansion joint for pickling lines, comprising a rectangular block-shaped connector body (1), wherein the connector body (1) has a rail connection end and a compensation end at both ends, characterized in that: The connector body (1) has an installation port (101) on the top surface near the compensation end. The installation port (101) is a T-shaped structure with the small diameter part facing the top surface of the connector body (1). The mounting port (101) is provided with an extension groove (102) extending to the end face of the connector body (1) on the outside. The extension groove (102) is composed of an outer strip (103) and an inner strip (104) that are connected to each other. The outer strip (103) is connected to the small-diameter section of the mounting port (101), and the width of the outer strip (103) is consistent with the inner diameter of the small-diameter section of the mounting port (101); The inner strip (104) is connected to the large-diameter section of the mounting port (101), and the width of the inner strip (104) is consistent with the inner diameter of the large-diameter section of the mounting port (101).

2. The expansion joint for a pickling line sliding contact line according to claim 1, characterized in that, The connector body (1) has a groove (105) at the rail connection end, and the groove (105) forms a U-shaped groove structure at the rail connection end of the connector body (1).

3. The expansion joint for a pickling line sliding contact line according to claim 2, characterized in that, The connector body (1) has a set of bolt holes (106) on the rail end, and both bolt holes (106) are connected to the groove (105).

4. The expansion joint for a pickling line sliding contact line according to claim 2, characterized in that, The compensation end of the connector body (1) is provided with a straight groove (107). One end of the straight groove (107) is flush with the end face of the connecting end of the connector body (1), and the other end of the straight groove (107) is connected to the groove (105).

5. The expansion joint for a pickling line sliding contact line according to claim 4, characterized in that, The outer end of the straight groove (107) is provided with a flared neck (108), the width of the flared neck (108) increases from bottom to top, and the width of the flared neck (108) increases from inside to outside.