Ballastless track settlement maintenance equipment

By designing a ballless track settlement maintenance equipment with integrated walking, lifting and filling functions, the construction difficulty problems caused by the easy damage to the track plate and the large-scale equipment are solved, and efficient and flexible ballless track settlement repair is achieved.

CN222948751UActive Publication Date: 2025-06-062ND ENG CO LTD OF CHINA RAILWAY 12TH BUREAU GRP +1
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Patent Information

Application Number
CN202421902501.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-07
Publication Date
2025-06-06
Estimated Expiration
2034-08-07

AI Technical Summary

Technical Problem

In the existing ballastless track settlement repair methods, the track plates are prone to damage, and the large-scale self-finished concrete grouting equipment leads to restrictions on terrain such as bridges and tunnels, making construction difficult.

Method used

A ball-free track settlement maintenance equipment is designed, including a frame, a walking system, a lifting system and a self-contained concrete filling system. The frame is detachable, the walking system adopts four-wheel drive form, and the lifting system can lift damaged track plates for replacement. The self-contained concrete filling system is integrated into the equipment.

Benefits of technology

It realizes rapid replacement of track slabs and self-contained concrete filling, miniaturization of equipment, maneuverability and flexibility, reduces terrain restrictions, and improves the construction efficiency and flexibility of ballastless track settlement restoration.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222948751U_ABST
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Abstract

The utility model provides ballastless track settlement maintenance equipment, which belongs to the technical field of railway construction and comprises a frame, and a walking system, a hoisting system and a self-compacting concrete pouring system are arranged on the frame. The frame comprises a bearing frame and four stand columns arranged below the bearing frame. The walking system comprises walking wheels and a walking motor; the lifting system comprises a lifting motor, a sling cylinder, a sling and a lifting lug; the self-compacting concrete pouring system comprises a mortar tank and a material guide groove. The device integrates track plate replacement and self-compacting concrete pouring, multi-aspect maintenance of the ballastless track is achieved, the device is easy to operate and high in efficiency, manpower and material resources are saved, and the problem that construction of settlement repair engineering of the ballastless track of a business line is difficult is solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of railway construction, and specifically discloses a ballastless track settlement maintenance device. Background Art

[0002] The ballastless track structure of high-speed railways, conventional railways or subways has high requirements for track smoothness. However, in actual practice, the track is prone to settlement and deviation problems. The common method is to restore the smoothness of the track line through fastener adjustment. However, once the settlement exceeds the adjustment capacity of the fasteners, other methods must be used to restore the elevation and plane position of the track.

[0003] For example, CN115075067A discloses a method for intelligently lifting and repairing ballastless track subsidence. During the repair process, the base plate and the track plate thereon need to be lifted to the track design elevation, and the gap after lifting is filled with a structural layer that meets the requirements to increase the height of the track structure itself. The above patent also has the following problems to be improved:

[0004] 1. The track is installed on the track plate through fasteners. The track plate is the main component for transmitting loads and is prone to damage. After loosening the track fasteners during the settlement repair process, the track plate can be replaced to achieve multi-faceted maintenance of the ballastless track. However, the above patent does not take this issue into consideration;

[0005] 2. Although self-compacting concrete grouting equipment is configured, the specific structure is not provided. However, the existing self-compacting concrete grouting equipment, such as the self-compacting concrete mixing and pouring device disclosed in CN208197201U, is a large-scale equipment. High-speed railways may pass through various sections, such as bridges and tunnels. The use of large-scale equipment in the process of track settlement repair will be limited by the terrain and the construction space of the operating line (driving on the adjacent line). Utility Model Content

[0006] The utility model provides a ballastless track settlement maintenance device, which at least improves one technical problem in the background technology.

[0007] The above-mentioned ballastless track settlement maintenance equipment includes a frame, on which a traveling system, a lifting system and a self-compacting concrete pouring system are arranged; the frame includes a load-bearing frame and four columns arranged below the load-bearing frame; the traveling system includes a traveling wheel and a traveling motor; a traveling wheel is vertically installed at the bottom end of each column, and the traveling wheel on each column is driven to rotate by the corresponding traveling motor; the lifting system includes a lifting motor, a sling drum, a sling and a lifting lug; the lifting motor is installed above the load-bearing frame, and a sling drum is installed on the output shaft; the sling is wound around the sling drum, and the sling is led out from the sling drum and passes through the load-bearing frame to be connected with the lifting lug; the lifting lug is used to connect with the track plate to be lifted; the self-compacting concrete pouring system includes a mortar tank and a material guide trough; the mortar tank is installed above the load-bearing frame, and the discharge port is aligned with the concrete pouring positioning hole on the load-bearing frame; the material guide trough is located below the concrete pouring positioning hole, the first end is rotatably connected to the load-bearing frame, and the second end is detachably connected to the load-bearing frame.

[0008] In the above-mentioned ballastless track settlement maintenance equipment, the bearing frame and the column are detachably connected.

[0009] In the above-mentioned ballastless track settlement maintenance equipment, the travel system also includes guide wheels; each column is horizontally provided with a guide wheel for rolling connection with the side of the roadbed.

[0010] In the above-mentioned ballastless track settlement maintenance equipment, the running wheels are solid rubber wheels, and the guide wheels are made of wear-resistant nylon material.

[0011] In the above-mentioned ballastless track settlement maintenance equipment, the lifting system also includes a lifting height limit switch; four lifting motors are provided, and each lifting motor is correspondingly equipped with a lifting height limit switch.

[0012] In the above-mentioned ballastless track settlement maintenance equipment, the lifting system also includes a safety beam; the safety beam is located between two columns, and the end of the safety beam is detachably connected to the column.

[0013] In the above-mentioned ballastless track settlement maintenance equipment, the discharge port of the mortar tank is provided with a discharge valve; and the width of the guide trough gradually decreases from the first end to the second end.

[0014] In the above-mentioned ballastless track settlement maintenance equipment, the self-compacting concrete pouring system also includes a mortar tank support frame; the mortar tank support frame is installed above the bearing frame; and the mortar tank is installed in the mortar tank support frame.

[0015] The above-mentioned ballastless track settlement maintenance equipment also includes a cable system; the cable system includes a cable retractable motor, a cable retractable drum and a power cable; the cable retractable motor is installed above the carrier frame, and a cable retractable drum is installed on the output shaft; the power cable is wound on the cable retractable drum, and an aviation plug is used at the power cable joint.

[0016] The above-mentioned ballastless track settlement maintenance equipment also includes a control system; the control system adopts wireless control and wired control.

[0017] Compared with the prior art, the utility model has the following beneficial effects.

[0018] 1. By setting up a lifting system, the damaged track plate can be lifted and transported, and then a new track plate can be transported for installation.

[0019] 2. The frame structure is simple, the travel system adopts four-wheel drive, and the overall structure is miniaturized. Compared with large equipment, it is more maneuverable and flexible, reducing the restrictions of terrain on the equipment.

[0020] 3. It integrates track plate replacement and self-compacting concrete pouring to achieve multi-faceted maintenance of ballastless track. The equipment is easy to operate and highly efficient, saving manpower and material resources and improving the construction difficulty of ballastless track settlement repair projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 This is the main view of the ballastless track settlement maintenance equipment;

[0023] Figure 2 This is a side view of the ballastless track settlement maintenance equipment (the guide chute is retracted);

[0024] Figure 3 This is a side view of the ballastless track settlement maintenance equipment (with the guide trough unfolded).

[0025] In the figure: 1.1-carrying frame; 1.2-column; 2.1-traveling wheel; 2.2-traveling motor; 2.3-guide wheel; 3.1-hoisting motor; 3.2-sling drum; 3.3-sling; 3.4-lifting ear; 3.5-safety beam; 4.1-mortar tank; 4.2-material guide trough; 4.3-mortar tank support frame; 5.1-cable retractable motor; 5.2-cable retractable drum; 6-control system; 100-track plate. DETAILED DESCRIPTION

[0026] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Example 1

[0028] This embodiment provides a ballastless track settlement maintenance device, including a frame, on which a traveling system, a lifting system, a self-compacting concrete pouring system, a cable system and a control system are arranged.

[0029] The frame plays a supporting and connecting role, including a load-bearing frame 1.1 and four columns 1.2 arranged below the load-bearing frame 1.1; the frame adopts a split design, that is, the load-bearing frame 1.1 and the columns 1.2 are detachably connected, which is convenient for disassembly and transportation, and the height of the frame can be adjusted as needed.

[0030] The walking system includes walking wheels 2.1, walking motors 2.2 and guide wheels 2.3; a walking wheel 2.1 is vertically installed at the bottom of each column 1.2, and the walking wheel 2.1 on each column 1.2 is driven to rotate by the corresponding walking motor 2.2, so that the walking speed of each walking wheel 2.1 is adjustable; the walking wheel 2.1 is a solid rubber wheel, which can provide sufficient grip and support to avoid damaging the foundation of the construction section during lifting and walking; the walking motor 2.2 adopts a brake motor, which runs when powered on and brakes when powered off. High safety; a guide wheel 2.3 is horizontally arranged on each column 1.2. During the walking process, the guide wheel 2.3 is in rolling contact with the roadbed, so that the construction equipment can move along the construction route. The horizontal position of the guide wheel 2.3 is adjustable to offset the position of the construction equipment relative to the center line of the construction route. The specific adjustment method can adopt telescopic electric cylinder, gear rack structure, linear guide rail and the like; the guide wheel 2.3 is made of wear-resistant nylon material, which can not only ensure its own durability but also avoid damage to the roadbed.

[0031] The lifting system includes a lifting motor 3.1, a lifting cable drum 3.2, a lifting cable 3.3, a lifting lug 3.4, a lifting height limit switch and a safety beam 3.5; the lifting motor 3.1 is installed above the carrier 1.1, and the lifting cable drum 3.2 is installed on the output shaft; the lifting cable 3.3 is wound around the lifting cable drum 3.2, and the lifting cable 3.3 is led out from the lifting cable drum 3.2 and passes through the carrier 1.1 to connect with the lifting lug 3.4; the lifting lug 3.4 is used to connect with the track plate 100 to be lifted; the lifting system adopts a power distribution design, with a total of 4 lifting points, that is, there are four lifting motors 3.1, each lifting point The height can be adjusted individually, and the lifting process is smooth and reliable; each lifting motor 3.1 is equipped with a corresponding lifting height limit switch, and the lifting action stops when the lifting reaches the set height; the safety beam 3.5 is located between the two columns 1.2, and the end is detachably connected to the column 1.2. The safety beam 3.5 is removed before lifting, and the safety beam 3.5 is installed on the column 1.2 after the track plate 100 is lifted to the preset height, and then the track plate 100 is placed on the safety beam 3.5 for transportation. The safety beam 3.5 is made of high-quality structural steel, which is safe and reliable and can prevent the track plate 100 from falling.

[0032] The self-compacting concrete pouring system includes a mortar tank 4.1, a material guide trough 4.2 and a mortar tank support frame 4.3; the mortar tank support frame 4.3 is installed above the support frame 1.1, and encloses the concrete pouring positioning hole on the support frame 1.1, so that the mortar tank 4.1 can be quickly placed at a designated position on the support frame 1.1; the mortar tank 4.1 is installed in the mortar tank support frame 4.3, and the discharge port is aligned with the concrete pouring positioning hole on the support frame 1.1. The discharge port is provided with a discharge valve, and the flow rate of the self-compacting concrete can be controlled by the discharge valve; the material guide trough 4.2 is located below the concrete pouring positioning hole, and can be used in conjunction with the mortar tank 4.1 for pouring operations. The first end is rotatably connected to the support frame 1.1, and the second end is detachably connected to the support frame 1.1. The material guide trough 4.2 is folded and unfolded by rotation, and the width of the material guide trough 4.2 gradually decreases from the first end to the second end. The closing design is convenient for pouring. In this embodiment, the volume of the mortar tank 4.1 is 2m 3 .

[0033] The cable system can provide power for the long-distance operation of the construction equipment, including a cable retractable motor 5.1, a cable retractable drum 5.2 and a power cable; the cable retractable motor 5.1 is installed above the carrier 1.1, and the cable retractable drum 5.2 is installed on the output shaft; the power cable is wound around the cable retractable drum 5.2, and the power cable joint is connected to the power supply using an aviation plug, which can be quickly plugged in and out, saving time and effort. In this embodiment, the cable retractable drum 5.2 can accommodate 200 meters of power cables, and the cable system can be installed on the left or right side of the construction equipment as required to facilitate power supply. The control system 6 adopts wireless control and wired control. The wireless control distance is up to 100 meters under straight, open and interference-free conditions; the buttons of the two control modes are both normally open contacts, pressing to start the action, and releasing to stop the action, which has high safety.

[0034] Example 2

[0035] The construction equipment is controlled to move by the control system 6, and during the moving process, the guide wheels 2.3 in the moving system can be used to ensure that the construction equipment can move along the track direction; after reaching the specified position, the lifting system will lift the track plate 100 to be lifted, and after lifting, the safety beam 3.5 will prevent the track plate 100 from falling; the construction equipment is controlled to move to the specified position by the control system 6; the safety beam 3.5 is removed, and the lifting system slowly lowers the lifted track plate 100; the lifting of the track plate 100 can be continued according to the above steps.

[0036] Example 3

[0037] The construction equipment is controlled to move by a control system 6, and during the walking process, the guide wheel 2.3 in the walking system can be used to ensure that the construction equipment can move along the track direction; after reaching the specified position, the material guide trough 4.2 is adjusted to a suitable position; the flow rate of the self-compacting concrete can be controlled by the discharge valve on the mortar tank 4.1; after the self-compacting concrete is emptied, the construction equipment moves to the specified position, the empty mortar tank 4.1 is lifted and removed, and then the mortar tank 4.1 prepared in advance with self-compacting concrete is lifted and placed at the specified position of the construction equipment; the pouring of the self-compacting concrete can be continued according to the aforementioned steps.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A ballastless track settlement maintenance device, comprising a frame, characterized in that: The frame is equipped with a traveling system, a lifting system and a self-compacting concrete pouring system; The frame includes a load-bearing frame and four upright posts arranged below the load-bearing frame; The walking system includes walking wheels and a walking motor; A travel wheel is vertically installed at the bottom of each column, and the travel wheel on each column is driven to rotate by a corresponding travel motor; The lifting system comprises a lifting motor, a lifting cable drum, a lifting cable and a lifting lug; The lifting motor is installed above the bearing frame, and a lifting cable drum is installed on the output shaft; The sling is wound around the sling drum, and the sling is led out from the sling drum, passes through the bearing frame and is connected to the lifting lug; The lifting lug is used to connect with the track plate to be lifted; The self-compacting concrete pouring system comprises a mortar tank and a material guide trough; The mortar tank is installed above the bearing frame, and the discharge port is aligned with the concrete pouring positioning hole on the bearing frame; The material guide trough is located below the concrete pouring positioning hole, a first end of the material guide trough is rotatably connected to the bearing frame, and a second end of the material guide trough is detachably connected to the bearing frame.

2. The ballastless track settlement maintenance equipment according to claim 1, characterized in that: The support frame and the column are detachably connected.

3. The ballastless track settlement maintenance equipment according to claim 1 or 2, characterized in that: The walking system also includes guide wheels; A guide wheel is horizontally arranged on each column for rolling connection with the side of the roadbed.

4. The ballastless track settlement maintenance equipment according to claim 3, characterized in that: The travel wheels are solid rubber wheels and the guide wheels are made of wear-resistant nylon material.

5. The ballastless track settlement maintenance equipment according to claim 4, characterized in that: The lifting system also includes a lifting height limit switch; There are four lifting motors, and each lifting motor is equipped with a corresponding lifting height limit switch.

6. The ballastless track settlement maintenance equipment according to claim 5, characterized in that: The lifting system also includes a safety beam; The safety beam is located between two columns, and the ends are detachably connected to the columns.

7. The ballastless track settlement maintenance equipment according to claim 6, characterized in that: The discharge port of the mortar tank is provided with a discharge valve; The width of the material guiding trough gradually decreases from the first end to the second end.

8. The ballastless track settlement maintenance equipment according to claim 7, characterized in that: The self-compacting concrete pouring system also includes a mortar tank support frame; The mortar tank support frame is installed above the bearing frame; The mortar tank is installed in the mortar tank support frame.

9. The ballastless track settlement maintenance equipment according to claim 8, characterized in that: It also includes a cable system; the cable system includes a cable retracting and discharging motor, a cable retracting and releasing drum, and a power cable; The cable retracting and discharging motor is installed above the bearing frame, and a cable retracting and discharging drum is installed on the output shaft; The power cable is wound on a cable retracting drum, and an aviation plug is used at the power cable joint.

10. The ballastless track settlement maintenance equipment according to claim 9, characterized in that: Also includes control systems; The control system adopts wireless control and wired control.

Citation Information

Patent Citations

  • Intelligent lifting repair method for subgrade settlement of ballastless track

    CN115075067A

  • Self -compaction concrete mixing perfusion device

    CN208197201U