Railway track bed repair device

By designing a railway roadbed renovation device with motor, rotating rod and reinforcement plate, the problem of poor screening effect due to small vibration amplitude in the prior art is solved, and more efficient ballast screening and longer equipment service life are achieved.

CN222715717UActive Publication Date: 2025-04-04HENAN HAOTONGDAO BRIDGE CONSTR MASCH CO LTD
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Patent Information

Application Number
CN202421362809.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-04
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

When screening the roadbed renovation device of the existing railway bed, the vibration amplitude is small, resulting in poor screening effect.

Method used

A railway roadbed renovation device including renovation grabbers, screening frames, motors, rotary rods, cams and reinforcement plates is designed. The motor drives the rotating rod and cam to rotate, and the screening frame moves back and forth in the renovation grabber to increase the movement range, and screen the stairs through the screening hole.

Benefits of technology

It improves the screening effect of the dock, can effectively remove smaller soil and gravel, extends the service life of the renovation grab, and simplifies the disassembly and replacement process of teeth excavation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222715717U_ABST
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Abstract

The utility model discloses a railway track bed repair device, including a repair grab, wherein a screening frame is arranged inside the repair grab, and a screening hole is penetrated on one side surface of the screening frame. The utility model connects a connecting seat on the repair grab with an external power device, and after the connection, the ballast on the track bed can be repaired, wherein when the track bed is repaired, the excavated ballast stones enter the screening frame, and the motor drives the rotating rod to rotate, so that the cam on the rotating rod rotates, and the cam drives the screening frame to move while rotating, and then through the use of a connecting block, a connecting groove and a spring, the screening frame can be reciprocated inside the repair grab, thereby increasing the movement amplitude of the screening frame in the repair grab, and then through the use of the screening holes on the screening frame, the ballast can be screened, and smaller soil and gravel can be screened out, thereby improving the screening effect of the ballast, thereby facilitating the improvement of its practicality.
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Description

Technical Field

[0001] The utility model relates to the technical field of railway maintenance equipment, in particular to a railway track bed repair device. Background Art

[0002] Ballasted track refers to a track with a stone granular ballast bed as the foundation under the track, which is also commonly called a gravel ballast bed track. It is one of the main forms of track structure. It has the advantages of good elasticity, low price, easy replacement and maintenance, good noise absorption and vibration reduction performance. After the ballast on the ballast bed has been used for a long time, due to rain erosion, moisture and other reasons, the crushed ballast powder will adhere to the soil mixed in the ballast during construction, causing the ballast bed to be unclean, filling the gaps in the ballast, forming an impermeable layer, causing poor drainage, mud and mud, which will subsequently cause the ballast bed to become compacted, elasticity to decrease, and shock absorption to deteriorate. Therefore, the ballast on the ballasted track needs to be replaced or repaired regularly to ensure the good vibration reduction performance of the railway track.

[0003] The existing Chinese patent with authorization announcement number CN217629189U discloses a railway track bed repair device, the key points of its technical solution are: including a connecting seat, a scoop plate and a partition plate, the connecting seat is fixedly connected to the scoop plate, the scoop plate is provided with a mounting hole, the partition plate is plugged into the mounting hole, and the partition plate and the scoop plate together form a bucket-shaped structure. The railway track bed repair device of the utility model does not need to install a partition plate when it is used, and if it is necessary to dig ballast, the partition plate is installed, and the scoop plate and the partition plate together form a bucket to dig the ballast, which is very convenient to use and install.

[0004] The above-mentioned prior art solution has the following defects: although the above-mentioned technical solution can screen the excavated ballast through the sieve holes, screen out the soil and broken ballast powder in the ballast, and leave the ballast with larger block diameters for continued use, thus saving ore resources and not adding unnecessary construction processes, saving time and labor, but in the above-mentioned technical solution, the ballast is screened by a vibrator and sieve holes, which has the problem of small vibration amplitude, thereby easily reducing the screening effect of the ballast. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a railway track bed repair device, which has the advantages of facilitating the improvement of the screening effect of ballast and being highly practical, thereby solving the problems in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a railway track bed repair device, comprising a repair grab, a screening frame is provided inside the repair grab, and a screening hole is penetrated on one side surface of the screening frame, a connecting block is provided at the middle position between the top surface and the bottom surface of the screening frame, and one end of the connecting block extends to the inside of a connecting groove opened on the lower surface of the top end and the upper surface of the bottom end of the repair grab, a spring is provided between the connecting block and the connecting groove, a motor is installed on one side of the top surface of the repair grab, and the output end of the motor passes through the top surface of the repair grab and is fixedly connected to a rotating rod, a cam is provided on the rotating rod, a connecting seat is installed on one side of the top surface of the repair grab, a fixing block is provided on the bottom surface of the repair grab, and a mounting groove is opened on the bottom surface of the fixing block, a mounting seat is provided in the mounting groove, and a digging tooth is installed on the mounting seat, and a through opening is penetrated on one side surface of the repair grab.

[0009] Preferably, the front end surface and the rear end surface of the refurbishment grab are provided with reinforcement plates, and the reinforcement plates are threadedly connected to the threaded holes provided on the refurbishment grab via bolts.

[0010] Preferably, a plurality of sieve holes are provided, and the plurality of sieve holes are evenly distributed on a side surface of the sieve frame.

[0011] Preferably, the connecting block is movably connected to the connecting groove.

[0012] Preferably, the digging teeth are fixedly connected to the mounting seat by bolts and nuts.

[0013] Preferably, the length and width of the screening frame are smaller than the length and width of the repair grab bucket.

[0014] Preferably, a protective shell is provided on the top surface of the refurbishment grab bucket, located outside the motor.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a railway track bed repair device, which has the following beneficial effects:

[0017] (1) In the utility model, the connection seat on the repair grab is connected to the external power equipment. After the connection, the ballast on the roadbed can be repaired. When the roadbed is repaired, the excavated ballast stones enter the screening frame, and the motor drives the rotating rod to rotate, so that the cam on the rotating rod rotates. The cam drives the screening frame to move while rotating. Then, by using the connecting block, the connecting groove and the spring, the screening frame can be reciprocated inside the repair grab, thereby increasing the movement range of the screening frame in the repair grab. Then, by using the screening holes on the screening frame, the ballast can be screened, and smaller soil and gravel can be screened out, thereby improving the screening effect of the ballast, which is conducive to improving its practicality.

[0018] (2) In the present invention, the repair grab bucket can be reinforced by using a reinforcement plate on the repair grab bucket, thereby improving the strength of the repair grab bucket and reducing the wear and tear caused by the repair grab bucket during use, which is beneficial to extending its service life. The digging teeth can be removed from the mounting seat by loosening the bolts and nuts on the mounting seat, so that the damaged digging teeth can be disassembled and replaced separately, which is convenient for use and further improves its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] 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.

[0020] Figure 1 It is a structural schematic diagram of a railway track bed repair device proposed by the utility model;

[0021] Figure 2 It is a front view of a railway track bed repair device proposed by the utility model;

[0022] Figure 3 It is a side view of a railway track bed repair device proposed by the utility model;

[0023] Figure 4 The utility model discloses a screening frame structure schematic diagram of a railway track bed repairing device.

[0024] Legend:

[0025] 1. Repair grab bucket; 2. Connecting seat; 3. Screening frame; 4. Connecting groove; 5. Spring; 6. Connecting block; 7. Protective shell; 8. Motor; 9. Cam; 10. Through port; 11. Rotating rod; 12. Screening hole; 13. Digging teeth; 14. Fixing block; 15. Reinforcement plate; 16. Mounting groove; 17. Mounting seat. DETAILED DESCRIPTION

[0026] 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 without creative work are within the scope of protection of the utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0028] Please refer to Figure 1-4A railway track bed repair device comprises a repair grab 1, a screening frame 3 is arranged inside the repair grab 1, and a screening hole 12 is penetrated on one side surface of the screening frame 3, a connecting block 6 is arranged at a middle position between the top surface and the bottom surface of the screening frame 3, and one end of the connecting block 6 extends to the inside of a connecting groove 4 provided on the lower surface of the top end and the upper surface of the bottom end of the repair grab 1, a spring 5 is arranged between the connecting block 6 and the connecting groove 4, a motor 8 is installed on one side of the top surface of the repair grab 1, and the output end of the motor 8 penetrates the top surface of the repair grab 1 and is fixedly connected to a rotating rod 11, a cam 9 is arranged on the rotating rod 11, a connecting seat 2 is installed on one side of the top surface of the repair grab 1, a fixing block 14 is arranged on the bottom surface of the repair grab 1, and a mounting groove 16 is provided on the bottom surface of the fixing block 14, a mounting seat 17 is arranged in the mounting groove 16, and a mounting seat 17 is installed on the mounting seat 17 There are digging teeth 13, and a through hole 10 is penetrated on one side surface of the repair grab 1. The connecting seat 2 on the repair grab 1 is connected to the external power equipment. After the connection, the ballast on the roadbed can be repaired. When the roadbed is repaired, the excavated ballast stones enter the screening frame 3, and the motor 8 drives the rotating rod 11 to rotate, so that the cam 9 on the rotating rod 11 rotates, and the cam 9 drives the screening frame 3 to move while rotating. Then, by using the connecting block 6, the connecting groove 4 and the spring 5, the screening frame 3 can be reciprocated inside the repair grab 1, increasing the movement amplitude of the screening frame 3 in the repair grab 1, and then by using the screening holes 12 on the screening frame 3, the ballast can be screened, and smaller soil and gravel can be screened out, thereby improving the screening effect of the ballast, which is conducive to improving its practicality.

[0029] In one embodiment, the front end surface and the rear end surface of the repair grab 1 are provided with a reinforcement plate 15, and the reinforcement plate 15 is threadedly connected to the threaded hole provided on the repair grab 1 through bolts, wherein by using the reinforcement plate 15 on the repair grab 1, the repair grab 1 can be reinforced, thereby improving the strength of the repair grab 1, reducing the wear generated by the repair grab 1 during use, and helping to extend its service life.

[0030] In one embodiment, a plurality of screening holes 12 are provided, and the plurality of screening holes 12 are evenly distributed on a side surface of the screening frame 3 , wherein the use of the plurality of screening holes 12 can improve the screening effect of stones.

[0031] In one embodiment, the connection block 6 is movably connected to the connection groove 4, wherein the connection block 6 and the connection groove 4 are used in conjunction with each other to limit the screening frame 3, thereby facilitating the maintenance of the stability of the screening frame 3 during movement.

[0032] In one embodiment, the digging tooth 13 is fixedly connected to the mounting seat 17 by bolts and nuts, wherein the digging tooth 13 can be removed from the mounting seat 17 by loosening the nut on the bolt, so that the damaged digging tooth 13 can be disassembled and replaced individually, which is convenient for use and further improves its practicality.

[0033] In one embodiment, the length and width of the screening frame 3 are smaller than the length and width of the repair grab 1 , so that the screening frame 3 can be easily moved in the repair grab 1 .

[0034] In one embodiment, a protective shell 7 is provided on the top surface of the pruning grab 1 outside the motor 8 , wherein the motor 8 can be protected by using the protective shell 7 .

[0035] Working principle:

[0036] When in use, the connecting seat 2 on the repair grab 1 is connected to the external power equipment. After the connection, the ballast on the roadbed can be repaired. When the roadbed is repaired, the excavated ballast stones enter the screening frame 3, and the motor 8 drives the rotating rod 11 to rotate, so that the cam 9 on the rotating rod 11 rotates, and the cam 9 drives the screening frame 3 to move while rotating. Then, by using the connecting block 6, the connecting groove 4 and the spring 5, the screening frame 3 can be reciprocated inside the repair grab 1, thereby increasing the movement range of the screening frame 3 in the repair grab 1, and then through the screening holes 12 on the screening frame 3 By using the ballast, the ballast can be screened, and smaller soil and gravel can be screened out, thereby improving the screening effect of the ballast, which is beneficial to improving its practicality. The use of the reinforcement plate 15 on the repair grab 1 can reinforce the repair grab 1, improve the strength of the repair grab 1, reduce the wear of the repair grab 1 during use, and help to extend its service life. The digging teeth 13 can be removed from the mounting seat 17 by loosening the bolts and nuts on the mounting seat 17, so that the damaged digging teeth 13 can be disassembled and replaced separately, which is convenient for use and further improves its practicality.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A railway track bed repair device, comprising a repair grab (1), characterized in that: The interior of the repair grab (1) is provided with a screening frame (3), and a screening hole (12) is penetrated on one side surface of the screening frame (3). A connecting block (6) is provided at a middle position between the top surface and the bottom surface of the screening frame (3), and one end of the connecting block (6) extends to the interior of a connecting groove (4) provided on the top lower surface and the bottom upper surface of the repair grab (1). A spring (5) is provided between the connecting block (6) and the connecting groove (4). A motor (8) is installed on one side of the top surface of the repair grab (1), and the output of the motor (8) is The top surface of the repair grab (1) is penetrated by a rotating rod (11) and fixedly connected thereto. A cam (9) is provided on the rotating rod (11). A connecting seat (2) is installed on one side of the top surface of the repair grab (1). A fixing block (14) is provided on the bottom surface of the repair grab (1). A mounting groove (16) is provided on the bottom surface of the fixing block (14). A mounting seat (17) is provided in the mounting groove (16). A digging tooth (13) is installed on the mounting seat (17). A through opening (10) is penetrated on one side surface of the repair grab (1).

2. A railway track bed repair device according to claim 1, characterized in that: The front end surface and the rear end surface of the repair grab (1) are provided with reinforcement plates (15), and the reinforcement plates (15) are threadedly connected to threaded holes provided on the repair grab (1) through bolts.

3. The railway track bed repair device according to claim 1, characterized in that: A plurality of the sieve holes (12) are provided, and the plurality of sieve holes (12) are evenly distributed on a side surface of the sieve frame (3).

4. A railway track bed repair device according to claim 1, characterized in that: The connection block (6) is movably connected to the connection groove (4).

5. The railway track bed repair device according to claim 1, characterized in that: The digging teeth (13) are fixedly connected to the mounting seat (17) via bolts and nuts.

6. The railway track bed repair device according to claim 1, characterized in that: The length and width of the screening frame (3) are smaller than the length and width of the repair grab bucket (1).

7. The railway track bed repair device according to claim 1, characterized in that: The top surface of the repair grab (1) is located outside the motor (8) and is provided with a protective shell (7).

Citation Information

Patent Citations

  • Railway ballast bed repairing device

    CN217629189U