Railway ballast paving device

Abstract

The utility model provides a railway ballast paving device which comprises a frame, the frame is fixedly connected to a front shovel of a bulldozer, and the bottom of the frame is hollowed out. Skids used for limiting the paving thickness are arranged on the two sides of the bottom of the frame in the paving direction. Rollers for pushing the dumper to advance are arranged at the front end of the frame. The paving equipment can be fixed on a front shovel of bulldozer equipment, and is simple in structure and low in cost. And in the railway ballast paving process, through butt joint with a dumper, rapid paving operation is achieved. The skid structure can achieve the effect of controlling the paving thickness so as to meet the paving requirements of different designs, the universality of the device is improved, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ballast paving, in particular to a ballast paving device. Background Art

[0002] With the rapid development of railway engineering infrastructure, the mileage of high-speed railways is also increasing, but ballasted railways are still the most commonly used type of railways today, and they still play an important role in the transportation of people and goods.

[0003] At present, in order to ensure the compaction of the ballast, the ballast of the line needs to be layered and compacted or stabilized in stages to ensure that the ballasted railway is fully compacted.

[0004] In the prior art, there are two paving methods for paving the bottom ballast:

[0005] 1. A paver dedicated to ballast paving is required to pave the ballast in one go. Ordinary asphalt or graded pavers cannot pave ballast, so a paver dedicated to ballast paving is required. However, ballast pavers are expensive, limited in number, and cannot pave the bottom ballast on multiple working surfaces.

[0006] 2. Use a motor grader for paving. However, the overall flatness of the bottom ballast paved by the motor grader is poor and it is difficult to meet the technical specifications. In addition, when using a motor grader to pave the ballast, the flat shovel of the motor grader is too long and the flat shovel is easy to scratch the rails. And when using a motor grader to pave the bottom ballast, the motor grader needs to be repeatedly pushed open and gradually flattened, resulting in low paving efficiency. Utility Model Content

[0007] The utility model aims to overcome the deficiencies of the prior art and provide a ballast paving device to solve the problems of high paving cost, poor paving effect and low operating efficiency in the prior art.

[0008] The utility model provides a ballast paving device, which comprises: a frame, the frame is fixedly connected to the front shovel of a bulldozer, and the bottom of the frame is hollowed out; skids for limiting the paving thickness are arranged on both sides of the bottom of the frame along the paving direction; and rollers for pushing a dump truck forward are arranged at the front end of the frame.

[0009] In an embodiment of the utility model, the frame includes longitudinal beams and transverse beams arranged longitudinally at the bottom, and support plates fixedly arranged at both sides of the bottom; the support plates and the front shovel constitute the hopper of the paving device.

[0010] Furthermore, a lateral baffle is arranged on the inner side of each of the support plates, and the upper end of the lateral baffle is connected to the inner side wall of the support plate and is arranged to be inclined relative to the support plate.

[0011] Furthermore, the upper end of the lateral baffle is rotatably connected to the inner wall of the support plate via a rotating structure, and the lower part of the lateral baffle is supported by the support structure for angle adjustment.

[0012] In the implementation manner of the utility model, a material distribution rod is fixedly arranged on the longitudinal beam in the middle of the bottom of the frame along the longitudinal beam.

[0013] In an implementation manner of the utility model, the roller includes a wheel frame and a wheel, wherein the wheel frame is transversely arranged on the crossbeam at the front end of the frame; and the wheel is rotatably arranged on the wheel frame.

[0014] Furthermore, two rollers are transversely arranged on the crossbeam, corresponding to the wheels of the dump truck.

[0015] In an implementation manner of the utility model, the slide is longitudinally arranged at the lower part of the longitudinal beam on both sides of the bottom of the frame.

[0016] In another embodiment of the present invention, the lower portion of the longitudinal beam has a clamping groove, the upper portion of the slide has a clamping block, and the clamping block is clamped in cooperation with the clamping groove.

[0017] According to the above embodiments, the ballast paving device provided by the utility model has at least the following benefits: the paving device can be fixed on the front shovel of the bulldozer equipment, with a simple structure and low cost. And during the ballast paving process, it can be docked with the dump truck to achieve rapid paving operations. The skid structure can achieve the effect of controlling the paving thickness to meet different design paving requirements, improve the versatility of the device, and improve the operating efficiency. In addition, the lateral baffle structure can limit the width of the paving operation to achieve different paving requirements.

[0018] It should be understood that the above general description and the following specific embodiments are only exemplary and illustrative and are not intended to limit the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The following drawings are a part of the specification of the present utility model, which illustrate exemplary embodiments of the present utility model. The attached drawings and the description of the specification are used to explain the principle of the present utility model.

[0020] Figure 1 The utility model is provided by a ballast paving device application side view.

[0021] Figure 2 This is a front view of an application of a ballast paving device provided by the utility model.

[0022] Figure 3A top view of the application of a ballast paving device provided by the utility model.

[0023] Description of reference numerals:

[0024] 1-frame, 2-sled, 3-roller, 4-side baffle, 5-dividing rod, 6-front shovel;

[0025] 11-longitudinal beam, 12-cross beam, 13-support plate;

[0026] 31-wheel frame, 32-wheel. DETAILED DESCRIPTION

[0027] Various exemplary embodiments of the present invention are now described in detail. This detailed description should not be considered as limiting the present invention, but should be understood as a more detailed description of certain aspects, features and embodiments of the present invention.

[0028] It will be apparent to those skilled in the art that various modifications and variations may be made to the specific embodiments of the present invention without departing from the scope or spirit of the present invention. Other embodiments derived from the present invention will be apparent to those skilled in the art. The present application description and examples are merely exemplary.

[0029] The utility model provides a ballast paving device, such as Figure 1-3 In a specific implementation, the paving device comprises: a frame 1, which is fixedly connected to the front shovel 6 of the bulldozer, and the bottom of the frame 1 is hollowed out, and the hollow structure is used to lay the ballast on the dump truck on the roadbed through the hollow frame 1.

[0030] Slides 2 for limiting the paving thickness are arranged on both sides of the bottom of the frame 1 along the paving direction. Since the ballast leaks onto the roadbed through the hollow structure at the bottom of the frame 1, the height of the bottom of the frame 1 from the roadbed is changed by changing the height of the slides 2, thereby changing the thickness of the ballast paving. And through the hollow structure and the flat push of the frame 1, the ballast paving will also be smoother and the thickness will be more uniform.

[0031] The front end of the frame 1 is provided with rollers 3 for pushing the dump truck forward. The rollers 3 face the direction of the paving device and are used to contact the wheels of the dump truck to push the wheels to roll forward, so that the paving device can spread the ballast forward while receiving the ballast material poured out by the dump truck.

[0032] In a specific embodiment of the utility model, the frame 1 includes a longitudinal beam 11 arranged longitudinally at the bottom and a transverse beam 12 arranged transversely, and support plates 13 fixedly arranged on both sides of the bottom. In this embodiment, three longitudinal beams 11 are arranged longitudinally and parallelly at the bottom of the frame 1, and one or two transverse beams 12 are arranged transversely. The three longitudinal beams 11 are respectively located on both sides and in the middle of the frame 1. When there is one transverse beam 12, one end of the longitudinal beam 11 is welded perpendicularly to the transverse beam 12, and the other end is fixedly connected to the front shovel 6. When two transverse beams 12 are provided, both ends of the longitudinal beam 11 are welded perpendicularly to the transverse beam 12, and one of the transverse beams 12 is fixedly connected to the front shovel 6.

[0033] In addition, the support plate 13 and the front shovel 6 together form the hopper of the paving device. Preferably, the longitudinal beam 11, the cross beam 12 and the support plate 13 are all made of square steel.

[0034] Furthermore, a lateral baffle 4 is provided on the inner side of each support plate 13, and the upper end of the lateral baffle 4 is connected to the inner side wall of the support plate 13 and is arranged relatively inclined with respect to the support plate 13, so as to limit the width of the hollow structure at the bottom of the frame 1 through the lateral baffles arranged at both sides, thereby limiting the width of the ballast paving operation. In this embodiment, the lateral baffle 4 is made of steel plate, and the upper end of the lateral baffle 4 is welded to the inner side wall of the support plate 13 by welding, and the lower end is welded to the longitudinal beams 11 on both sides of the frame 1.

[0035] In the specific implementation of the utility model, in another implementation of the lateral baffle 4, the upper end of the lateral baffle 4 is rotatably connected to the inner side wall of the support plate 13 through a rotating structure, and the lower part of the lateral baffle 4 is supported by the support structure for angle adjustment. By rotating the lateral baffle 4 around the rotating structure, the height of the lower end of the lateral baffle 4 is changed, and the distance between the lateral baffles 4 on both sides of the frame 1 is also changed, thereby achieving the adjustment and limitation of the paving width. After adjusting the angle of the lateral baffle 4, the width limit adjustment can be completed by fixing it with the support structure at the lower part of the lateral baffle 4.

[0036] In a specific embodiment of the utility model, a dividing rod 5 is fixedly arranged on the longitudinal beam 11 in the middle of the bottom of the frame 1 along the longitudinal beam 11. The dividing rod 5 is welded on the longitudinal beam 11, and the cross section of the dividing rod 5 is triangular, with the triangular slope facing both sides, which is used to prevent material accumulation when the ballast is unloaded. Preferably, the dividing rod 5 is made of angle steel.

[0037] In a specific implementation of the present invention, the roller 3 includes a wheel frame 31 and a wheel 32. The wheel frame 31 is transversely arranged on the crossbeam 12 at the front end of the frame 1.

[0038] The wheel 32 is rotatably mounted on the wheel frame 31 .

[0039] Furthermore, two rollers 3 are transversely arranged on the crossbeam 12, corresponding to the wheels of the dump truck. In this embodiment, two wheel frames 31 are arranged along the crossbeam 12 at the front end of the frame 1, and wheels 32 are arranged on the two wheel frames 31, corresponding to the wheels of the dump truck, and the width of the wheel frames 31 has a certain redundancy to adapt to dump trucks of different sizes and avoid inaccurate docking between the dump truck and the roller 3.

[0040] In a specific embodiment of the utility model, in one embodiment, the sled 2 is longitudinally arranged at the lower part of the longitudinal beam 11 on both sides of the bottom of the frame 1. In this embodiment, the sled 2 is welded to the lower part of the longitudinal beam 11 along the direction of the longitudinal beam 11, and sleds 2 of different thicknesses are welded for different paving thickness requirements. In addition, the bottom of the front end of the sled 2 is tilted upward to prevent the bottom from getting stuck in the roadbed and causing a jam in the forward movement.

[0041] In a specific implementation of the utility model, the lower part of the longitudinal beam 11 has a slot, and the upper part of the sled 2 has a snap-in block, and the snap-in block is clamped with the slot. In this embodiment, the sled 2 and the longitudinal beam 11 are connected by snapping, which can be quickly disassembled and conveniently replaced with sleds of different heights according to different paving thickness requirements, greatly improving construction efficiency and device applicability.

[0042] When the paving device provided by the utility model is used to perform bottom ballast paving operations in railway engineering construction, the paving device is first installed and fixed on the front shovel of the bulldozer, and the bulldozer installed with the ballast paving device is stopped at the starting position of the roadbed, and the modified bulldozer front shovel 6 drives the ballast paving device to fall naturally, and a slight downward pressure is applied.

[0043] Furthermore, the dump truck loaded with ballast is reversed to the front of the ballast paving device, so that the rear wheels of the dump truck are against the rollers 3 of the paving device.

[0044] Further, the dump truck is put into neutral gear, and the hopper of the dump truck is gradually raised to start unloading materials into the hopper of the ballast paving device.

[0045] Further, after the bottom hollow position of the frame 1 is covered by the paving material in the hopper of the paving device, the bulldozer is started to move forward at a constant speed. During the process of moving forward at a constant speed, the dump truck is always dumping ballast into the hopper and is always moving forward under the push of the device.

[0046] Furthermore, the sled 2 is kept close to the roadbed for advancement during the uniform speed.

[0047] Furthermore, after one dump truck has completed unloading, it is detached from the paving device and is loaded into a second dump truck for ballast dumping, and this process is repeated until the required paving mileage is completed.

[0048] The above description is only an illustrative specific implementation of the present invention. Without departing from the concept and principle of the present invention, any equivalent changes and modifications made by those skilled in the art should fall within the scope of protection of the present invention.

Claims

1. A ballast paving device, characterized in that: The paving device comprises: a frame (1), the frame (1) is fixedly connected to the front shovel (6) of the bulldozer, and the bottom of the frame (1) is hollowed out; Slides (2) for limiting the paving thickness are arranged on both sides of the bottom of the frame (1) along the paving direction; The front end of the frame (1) is provided with a roller (3) for pushing the dump truck forward.

2. The ballast paving device according to claim 1, characterized in that: The frame (1) comprises a longitudinal beam (11) arranged longitudinally at the bottom and a transverse beam (12) arranged transversely, and support plates (13) fixedly arranged at both sides of the bottom; The support plate (13) and the front shovel (6) form a hopper of the paving device.

3. The ballast paving device according to claim 2, characterized in that: A lateral baffle (4) is arranged on the inner side of each support plate (13); the upper end of the lateral baffle (4) is connected to the inner side wall of the support plate (13) and is arranged to be inclined relative to the support plate (13).

4. The ballast paving device according to claim 3, characterized in that: The upper end of the lateral baffle (4) is rotatably connected to the inner wall of the support plate (13) via a rotating structure, and the lower part of the lateral baffle (4) is supported by the support structure for angle adjustment.

5. The ballast paving device according to claim 2, characterized in that: A material distribution rod (5) is fixedly arranged on the longitudinal beam (11) in the middle of the bottom of the frame (1) and along the longitudinal beam (11).

6. The ballast paving device according to claim 2, characterized in that: The roller (3) comprises a wheel frame (31) and a wheel (32), wherein: The wheel frame (31) is transversely arranged on the crossbeam (12) at the front end of the frame (1); The wheel (32) is rotatably arranged on the wheel frame (31).

7. The ballast paving device according to claim 6, characterized in that: Two rollers (3) are transversely arranged on the crossbeam (12), corresponding to the wheels of the dump truck.

8. The ballast paving device according to claim 2, characterized in that: The skid (2) is longitudinally arranged at the lower part of the longitudinal beam (11) on both sides of the bottom of the frame (1).

9. The ballast paving device according to claim 2, characterized in that: The lower part of the longitudinal beam (11) is provided with a slot, and the upper part of the slide (2) is provided with a clamping block, and the clamping block is clamped in cooperation with the slot.

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