Contact rail joint clamping plate

What is AI technical title?
AI technical title is built by Patsnap AI team. It summarizes the technical point description of the patent document.
By designing the contact rail joint clamp, the problem of connection differences between steel-aluminum composite contact rail and low-carbon steel contact rail was solved, achieving stable electrical connection, reducing operating costs, and improving the smoothness and safety of train operation.

CN223559515UActive Publication Date: 2025-11-18CHINA RAILWAY FIRST GROUP CO LTD +1

View PDF 0 Cites 0 Cited by

Patent Information

Application Number: CN202422193550.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-09-06
Publication Date: 2025-11-18
Estimated Expiration: 2034-09-06

AI Technical Summary

Technical Problem

The differences in rail height and cross-sectional dimensions between steel-aluminum composite contact rails and low-carbon steel contact rails make direct connection difficult, affecting conductivity, installation and maintenance, and increasing costs.

Method used

A contact rail joint clamping plate was designed, including a special-shaped clamping plate base plate, a fixing and adjusting clamping plate, a copper block clamping plate and an adjusting pressure plate. The special structure connects two types of contact rails to ensure a tight fit and stable connection.

Benefits of technology

It achieves stable electrical connections, improves current transmission efficiency, reduces wear and malfunctions, enhances the smoothness and safety of train operation, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

Smart Images

Figure CN223559515U_ABST

Patent Text Reader

Abstract

The utility model discloses a contact rail joint clamping plate, which belongs to the technical field of urban contact rail construction equipment transformation, and comprises a special-shaped clamping plate bottom plate positioned at the lower ends of the connecting end of a low-carbon steel contact rail and the connecting end of a steel-aluminum composite contact rail; the special-shaped clamping plate low-carbon steel rail fixing buckling and pressing plate and the low-carbon steel rail distance adjusting buckling and pressing plate are oppositely arranged, the special-shaped clamping plate low-carbon steel rail fixing buckling and pressing plate is located on one side of the low-carbon steel contact rail and fixedly installed on the special-shaped clamping plate bottom plate, and the low-carbon steel rail distance adjusting buckling and pressing plate is arranged on the other side of the low-carbon steel contact rail. The clamping plates are mounted on the special-shaped clamping plate bottom plate in a distance-adjustable manner; the two steel-aluminum composite rail distance-adjusting buckling and pressing plates are oppositely arranged on the two sides of the steel-aluminum composite contact rail in a distance-adjustable mode and fixedly installed on the special-shaped clamping plate bottom plate; and the two copper block clamping plates which are oppositely arranged are respectively positioned on two sides of the steel-aluminum composite contact rail and the low-carbon steel contact rail. The contact rail can be tightly attached to the contact rails on the two sides, and a stable connection interface is formed.

Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of city contact rail construction equipment modification technology, especially relates to a contact rail joint clamp plate. BACKGROUND

[0002] In the contact rail modification section of the track professional installation engineering (A line) I bid project of Beijing rail transit No. 13 line capacity expansion and upgrading engineering, there is a 23.484km long modification task.

[0003] On the one hand, the low carbon steel rail has limited conductivity, which is difficult to meet the high efficiency power supply demand under large passenger flow, and has become a bottleneck for improving the overall performance of the line. On the other hand, the low carbon steel rail is heavy, which not only increases the difficulty of installation and maintenance, but also increases the related cost. Therefore, it is necessary to remove the old low carbon steel rail and replace it with a new material steel aluminum composite conductive rail with better performance.

[0004] However, due to the difference in rail height and cross-sectional size between the steel aluminum composite contact rail and the low carbon steel contact rail, direct connection becomes a problem. INVENTION CONTENTS

[0005] In order to solve the above problems, the utility model adopts the following technical scheme:

[0006] A contact rail joint clamp plate comprises:

[0007] A special-shaped clamp plate bottom plate is located at the lower end of the connecting end of the low carbon steel contact rail and the connecting end of the steel aluminum composite contact rail;

[0008] Two oppositely arranged special-shaped clamp plate low carbon steel rail fixed buckle plates and low carbon steel rail distance adjusting buckle plates, the special-shaped clamp plate low carbon steel rail fixed buckle plate is located on one side of the low carbon steel contact rail and is fixedly installed on the special-shaped clamp plate bottom plate, and the low carbon steel rail distance adjusting buckle plate is arranged on the other side of the low carbon steel contact rail and is adjustably installed on the special-shaped clamp plate bottom plate; the special-shaped clamp plate low carbon steel rail fixed buckle plate and the low carbon steel rail distance adjusting buckle plate are buckled on both sides of the low carbon steel contact rail respectively;

[0009] Two oppositely arranged steel aluminum composite rail distance adjusting buckle plates, two steel aluminum composite rail distance adjusting buckle plates are adjustably arranged on both sides of the steel aluminum composite contact rail respectively and are fixedly installed on the special-shaped clamp plate bottom plate; the two steel aluminum composite rail distance adjusting buckle plates are buckled on the steel aluminum composite contact rail;

[0010] Two copper block clamping plates are oppositely arranged, and two copper block clamping plates are respectively arranged on the two sides of the steel-aluminum composite contact rail and the low-carbon steel contact rail, wherein the first end of the copper block clamping plate is in abutment with the steel-aluminum composite contact rail and is fixedly connected by a steel-aluminum composite rail copper block clamping plate bolt, and the second end of the copper block clamping plate is in abutment with the low-carbon steel contact rail and is fixedly connected by a low-carbon steel rail copper block clamping plate bolt.

[0011] Further, a steel-aluminum composite rail height adjusting pressing plate is arranged between the two steel-aluminum composite rail distance adjusting pressing plates, is arranged corresponding to the steel-aluminum composite contact rail, and is arranged on the upper end of the special-shaped clamping plate bottom plate in a height-adjustable manner to adjust the height of the steel-aluminum composite contact rail.

[0012] Further, the extension direction of the steel-aluminum composite rail height adjusting pressing plate is arranged perpendicularly to the extension direction of the steel-aluminum composite rail distance adjusting pressing plate.

[0013] Further, the steel-aluminum composite rail height adjusting pressing plate is 2, and the two steel-aluminum composite rail height adjusting pressing plates are arranged in parallel.

[0014] Further, a first threaded hole is arranged on the special-shaped clamping plate bottom plate, a steel-aluminum composite rail height adjusting bolt is threadedly connected with the first threaded hole, and the steel-aluminum composite rail height adjusting bolt is in abutment with the steel-aluminum composite contact rail through the first threaded hole to adjust the height of the steel-aluminum composite contact rail.

[0015] Further, a first special-shaped clamping plate fixed baffle is fixedly connected to the special-shaped clamping plate bottom plate, a first distance adjusting thread is arranged on the first special-shaped clamping plate fixed baffle, a first distance adjusting bolt is threadedly connected with the first distance adjusting thread, and the first distance adjusting bolt is in abutment with the low-carbon steel contact rail through the first distance adjusting thread to adjust the relative position of the low-carbon steel contact rail and the steel-aluminum composite contact rail.

[0016] Further, a second special-shaped clamping plate fixed baffle is arranged corresponding to the steel-aluminum composite rail distance adjusting pressing plate on the special-shaped clamping plate bottom plate, the second special-shaped clamping plate fixed baffle is provided with a second distance adjusting threaded hole, a second distance adjusting bolt is threadedly connected with the second distance adjusting threaded hole, and the second distance adjusting bolt is in abutment with the steel-aluminum composite contact rail through the second distance adjusting threaded hole to adjust the relative position of the low-carbon steel contact rail and the steel-aluminum composite contact rail.

[0017] Beneficial effects:

[0018] The utility model fully considers the specification difference of two contact rails, guarantees that copper block clamping plate can be closely combined with both sides contact rail through special structure setting, forms stable connection interface, guarantees the stability and reliability of electrical connection.

[0019] The stable connection interface reduces the contact resistance, improves the current transmission efficiency, and thus improves the current collection quality of the train.

[0020] The good electrical connection also helps to reduce the generation of arc and spark, reduce the wear and tear of the contact rail and current collector, and prolong the service life of the equipment; effectively eliminates the safety hazards caused by unstable connection, such as loosening and breaking, and enhances the overall safety of the track system.

[0021] The stable connection performance also helps to reduce the vibration and impact during the train operation, improve the smoothness of the train running, and further improve the comfort of passengers. The stable connection performance reduces the number of failures and maintenance caused by connection problems, thereby reducing the maintenance cost.

[0022] The good electrical connection reduces the wear and tear of the contact rail and current collector, prolongs the equipment replacement cycle, and further reduces the operating cost; by improving the smoothness of the train running and the comfort of passengers, reducing failures and delays, it helps to improve the satisfaction and trust of the general public to the urban rail transit system. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 A structure schematic view of the contact rail joint clamping plate is provided for the utility model;

[0024] Figure 2 A structure top view of the contact rail joint clamping plate is provided for the utility model;

[0025] Figure 3 A structure bottom view of the contact rail joint clamping plate is provided for the utility model;

[0026] Figure 4 A structure schematic view of the copper block clamping plate is provided for the utility model;

[0027] Figure 5 A structure left sectional view of the contact rail joint clamping plate is provided for the utility model;

[0028] Figure 6 A left sectional view of the contact rail joint clamping plate after connecting the contact rail is provided for the utility model;

[0029] Figure 7 A structure right sectional view of the contact rail joint clamping plate is provided for the utility model;

[0030] Figure 8 A right sectional view of the contact rail joint clamping plate after connecting the contact rail is provided for the utility model;

[0031] Figure 9 A front view of the contact rail joint clamping plate after connecting the contact rail is provided for the utility model;

[0032] Figure 10 The utility model provides a whole effect picture after the contact rail joint clamp plate connects the contact rail;

[0033] Among them, 1-1, the special-shaped clamp plate bottom plate, 1-2, the special-shaped clamp plate low carbon steel rail fixed buckle plate, 1-3, the second special-shaped clamp plate fixed baffle, 1-4, the special-shaped clamp plate low carbon steel rail bearing groove, 1-5, the special-shaped clamp plate steel aluminum composite rail bearing groove, 1-6, the first special-shaped clamp plate fixed baffle, 2, the low carbon steel rail distance adjusting buckle plate, 3, the steel aluminum composite rail distance adjusting buckle plate, 4, the steel aluminum composite rail height adjusting buckle plate, 5, the second distance adjusting bolt, 6, the buckle plate fixed bolt, 7, the steel aluminum composite rail height adjusting bolt, 8, the copper block clamp plate, 9, the steel aluminum composite rail copper block clamp plate bolt, 10, the low carbon steel rail copper block clamp plate bolt, 11, the low carbon steel contact rail, 12, the steel aluminum composite contact rail, 13, the first distance adjusting bolt. DETAILED DESCRIPTION

[0034] Example 1

[0035] Reference Figure 1 - Figure 10 A contact rail joint clamp plate, comprising:

[0036] The special-shaped clamp plate bottom plate 1-1 is located at the lower end of the connection end of the low carbon steel contact rail 11 and the connection end of the steel aluminum composite contact rail 12.

[0037] The oppositely arranged special-shaped clamp plate low carbon steel rail fixed buckle plate 1-2 and the low carbon steel rail distance adjusting buckle plate 2, the special-shaped clamp plate low carbon steel rail fixed buckle plate 1-2 is located on one side of the low carbon steel contact rail 11 and is fixedly installed on the special-shaped clamp plate bottom plate 1-1, and the low carbon steel rail distance adjusting buckle plate 2 is arranged on the other side of the low carbon steel contact rail 11 and is adjustably installed on the special-shaped clamp plate bottom plate 1-1; the special-shaped clamp plate low carbon steel rail fixed buckle plate 1-2 and the low carbon steel rail distance adjusting buckle plate 2 are buckled on both sides of the low carbon steel contact rail 11.

[0038] The oppositely arranged two steel aluminum composite rail distance adjusting buckle plates 3 are adjustably arranged on both sides of the steel aluminum composite contact rail 12 and are fixedly installed on the special-shaped clamp plate bottom plate 1-1; the two steel aluminum composite rail distance adjusting buckle plates 3 are buckled on the steel aluminum composite contact rail 12.

[0039] Two copper block clamping plates 8 are oppositely arranged, and are respectively arranged on both sides of the steel-aluminum composite contact rail 12 and the low-carbon steel contact rail 11. The first end of the copper block clamping plate 8 abuts against the steel-aluminum composite contact rail 12 and is fixedly connected through the steel-aluminum composite rail copper block clamping bolt 9. The second end of the copper block clamping plate 8 abuts against the low-carbon steel contact rail 11 and is fixedly connected through the low-carbon steel rail copper block clamping bolt 10.

[0040] The low-carbon steel rail distance adjusting buckle plate 2 is installed on the profiled clamping plate bottom plate 1-1 through the buckle plate fixing bolt 6. The profiled clamping plate bottom plate 1-1 is provided with a profiled clamping plate low-carbon steel rail bearing groove 1-4 on one side of the connecting end of the low-carbon steel contact rail 11.

[0041] The contact rail joint clamping plate provided in the embodiment further includes a steel-aluminum composite rail height adjusting buckle plate 4, which is arranged between two steel-aluminum composite rail distance adjusting buckle plates 3, is arranged correspondingly to the steel-aluminum composite contact rail 12, and is arranged at the upper end of the profiled clamping plate bottom plate 1-1 in a height-adjustable manner to adjust the height of the steel-aluminum composite contact rail 12.

[0042] Specifically, the profiled clamping plate steel-aluminum composite rail bearing groove 1-5 is arranged between the steel-aluminum composite rail height adjusting buckle plate 4 and the profiled clamping plate bottom plate 1-1.

[0043] In the embodiment, the extension direction of the steel-aluminum composite rail height adjusting buckle plate 4 is arranged perpendicularly to the extension direction of the steel-aluminum composite rail distance adjusting buckle plate 3.

[0044] In the embodiment, there are two steel-aluminum composite rail height adjusting buckle plates 4, and the two steel-aluminum composite rail height adjusting buckle plates 4 are arranged in parallel.

[0045] In the embodiment, the profiled clamping plate bottom plate 1-1 is provided with a first threaded hole, and a steel-aluminum composite rail height adjusting bolt 7 is threadedly connected to the first threaded hole. The steel-aluminum composite rail height adjusting bolt 7 abuts against the steel-aluminum composite contact rail 12 through the first threaded hole to adjust the height of the steel-aluminum composite contact rail 12.

[0046] In the embodiment, the profiled clamping plate bottom plate 1-1 is fixedly connected with a first profiled clamping plate fixed baffle 1-6. The first profiled clamping plate fixed baffle 1-6 is provided with a first distance adjusting thread. A first distance adjusting bolt 13 is threadedly connected to the first distance adjusting thread. The first distance adjusting bolt 13 abuts against the low-carbon steel contact rail 11 through the first distance adjusting thread hole to adjust the relative position of the low-carbon steel contact rail 11 and the steel-aluminum composite contact rail 12.

[0047] In the embodiment, the second profiled clamping plate fixing baffle 1-3 is arranged on the profiled clamping plate bottom plate 1-1 corresponding to the steel-aluminum composite rail pitch adjusting buckle plate 3, the second profiled clamping plate fixing baffle 1-3 is provided with a second pitch adjusting threaded hole, the second pitch adjusting threaded hole is threadedly connected with a second pitch adjusting bolt 5, and the second pitch adjusting bolt 5 is in abutment with the steel-aluminum composite contact rail 12 through the second pitch adjusting threaded hole, so as to adjust the relative position of the low-carbon steel contact rail 11 and the steel-aluminum composite contact rail 12.

[0048] Specifically, the profiled clamping plate bottom plate 1-1, the low-carbon steel rail fixing buckle plate 1-2, the second profiled clamping plate fixing baffle 1-3, the low-carbon steel rail bearing groove 1-4, the steel-aluminum composite rail bearing groove 1-5 and the first profiled clamping plate fixing baffle 1-6 in the embodiment are an integral whole and are manufactured by means of grooving, grinding and welding.

[0049] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. A contact rail joint clamp plate, characterized in that Comprise: An irregular clamping plate bottom plate located at the lower end of the connecting end of the low carbon steel contact rail and the connecting end of the steel-aluminum composite contact rail; Oppositely arranged irregular clamping plate low carbon steel rail fixing and pressing plates, the irregular clamping plate low carbon steel rail fixing and pressing plate is located on one side of the low carbon steel contact rail and is fixedly installed on the irregular clamping plate bottom plate, and the low carbon steel rail distance adjusting pressing plate is arranged on the other side of the low carbon steel contact rail and is adjustably installed on the irregular clamping plate bottom plate; the irregular clamping plate low carbon steel rail fixing and pressing plate and the low carbon steel rail distance adjusting pressing plate are respectively pressed on both sides of the low carbon steel contact rail; Two oppositely arranged steel-aluminum composite rail distance adjusting pressing plates, the two steel-aluminum composite rail distance adjusting pressing plates are respectively adjustably arranged on both sides of the steel-aluminum composite contact rail and are fixedly installed on the irregular clamping plate bottom plate; the two steel-aluminum composite rail distance adjusting pressing plates are pressed on the steel-aluminum composite contact rail; Two oppositely arranged copper block clamping plates, the two copper block clamping plates are respectively located on both sides of the steel-aluminum composite contact rail and the low carbon steel contact rail, wherein the first end of the copper block clamping plate abuts against the steel-aluminum composite contact rail and is fixedly connected by a steel-aluminum composite rail copper block clamping plate bolt, and the second end of the copper block clamping plate abuts against the low carbon steel contact rail and is fixedly connected by a low carbon steel rail copper block clamping plate bolt.

2. The contact rail joint clamp plate according to claim 1, characterized in that Further comprising a steel-aluminum composite rail height adjusting pressing plate, the steel-aluminum composite rail height adjusting pressing plate is located between the two steel-aluminum composite rail distance adjusting pressing plates, is correspondingly arranged with the steel-aluminum composite contact rail, and is adjustably arranged at the upper end of the irregular clamping plate bottom plate to adjust the height of the steel-aluminum composite contact rail.

3. The contact rail joint clamp plate according to claim 2, characterized in that The extension direction of the steel-aluminum composite rail height adjusting pressing plate is perpendicular to the extension direction of the steel-aluminum composite rail distance adjusting pressing plate.

4. The contact rail joint clamp plate according to claim 3, characterized in that The steel-aluminum composite rail height adjusting pressing plate is 2, and the two steel-aluminum composite rail height adjusting pressing plates are arranged in parallel.

5. The contact rail joint clamp plate according to claim 3, characterized in that The irregular clamping plate bottom plate is provided with a first threaded hole, the first threaded hole is threadedly connected with a steel-aluminum composite rail height adjusting bolt, and the steel-aluminum composite rail height adjusting bolt abuts against the steel-aluminum composite contact rail through the first threaded hole to adjust the height of the steel-aluminum composite contact rail.

6. The contact rail joint clamp plate according to claim 1, characterized in that The irregular clamping plate bottom plate is fixedly connected with a first irregular clamping plate fixed baffle, the first irregular clamping plate fixed baffle is provided with a first distance adjusting thread, the first distance adjusting thread is threadedly connected with a first distance adjusting bolt, and the first distance adjusting bolt abuts against the low carbon steel contact rail through the first distance adjusting thread hole to adjust the relative position of the low carbon steel contact rail and the steel-aluminum composite contact rail.

7. The contact rail joint clamp plate according to claim 6, characterized in that The irregular clamping plate bottom plate is provided with a second irregular clamping plate fixed baffle corresponding to the steel-aluminum composite rail distance adjusting pressing plate, the second irregular clamping plate fixed baffle is provided with a second distance adjusting threaded hole, the second distance adjusting threaded hole is threadedly connected with a second distance adjusting bolt, and the second distance adjusting bolt abuts against the steel-aluminum composite contact rail through the second distance adjusting threaded hole to adjust the relative position of the low carbon steel contact rail and the steel-aluminum composite contact rail.