Gravel laying vehicle for desertification control

Abstract

The gravel laying vehicle comprises a vehicle frame, a rubber track chassis, loading wheels with spring suspension devices, a chain plate type unloading mechanism, a large compartment rear plate, large compartment side plates, an engine and an oil cylinder, the rubber track chassis is fixed below the vehicle frame, and the chain plate type unloading mechanism and the engine are fixed on the vehicle frame. The engine is connected with the chain plate type unloading mechanism; the top of the large compartment rear plate is hinged to the top of the rear side of the frame, the tops of the large compartment side plates are hinged to the tops of the two sides of the frame, an inclined oil cylinder is arranged between the large compartment rear plate and the frame, and an inclined oil cylinder is arranged between the large compartment side plates and the frame. The loading wheel with the spring suspension device is arranged in the rubber track chassis, and the top of the loading wheel is fixed with the bottom of the frame. The gravel laying vehicle can be used for transporting gravels and automatically laying the gravel grids to build a sand-proof barrier, the labor intensity of workers can be relieved, the working efficiency is greatly improved, work is reliable, and safety is high.

Description

Technical Field

[0001] The utility model relates to desert control equipment technology, in particular to a desert control gravel paving vehicle. Background Art

[0002] In the field of desert control, the main measures taken by my country are to fix sand dunes by laying grass grids and burying sand barriers to prevent further expansion of the desert. In response to the manual nature and high labor intensity of sand control work, automated and electronically controlled sand control devices have been developed to improve work efficiency and reduce labor burden. However, the existing automated sand control equipment has the following problems: (1) Many sand control equipment still rely on manual operation, and the degree of automation is not high enough; (2) Most of the existing sand control equipment has high manufacturing costs, and the use and maintenance costs are also high; (3) Some existing sand control equipment may only be suitable for specific geographical environments or desert types, and may not be adaptable enough to the sand control needs of different regions. In order to solve the above-mentioned problems of insufficient automation and insufficient adaptability to complex terrain, a new type of automated desert control gravel paving vehicle has been developed. Utility Model Content

[0003] The purpose of the utility model is to solve the problems of low automation, high cost and difficulty in adapting to complex environments in laying gravel grid-shaped sand barriers, and to propose a desert control gravel laying vehicle, which can be used to transport gravel and automatically lay gravel grids to build sand barriers. The gravel laying vehicle can reduce the labor intensity of workers, greatly improve work efficiency, work reliably and be highly safe.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a desert control gravel paving vehicle includes: a frame, a rubber track chassis, a load-bearing wheel with a spring suspension device, a chain plate type unloading mechanism, a large compartment rear plate, a large compartment side plate, an engine, a large compartment rear plate hydraulic cylinder and a large compartment side plate hydraulic cylinder, the rubber track chassis is fixed under the frame, the chain plate type unloading mechanism and the engine are fixed on the frame, and the engine is connected to the chain plate type unloading mechanism; the top of the large compartment rear plate is hinged to the top of the rear side of the frame, the top of the large compartment side plate is hinged to the top of both sides of the frame, a large compartment rear plate hydraulic cylinder is arranged between the large compartment rear plate and the frame, and a large compartment side plate hydraulic cylinder is arranged between the large compartment side plate and the frame; the load-bearing wheel with a spring suspension device is arranged in the rubber track chassis, and its top is fixed to the rubber track chassis.

[0005] Furthermore, a latch is provided between the side plate of the large compartment and the frame.

[0006] Furthermore, the desert control gravel paving vehicle also includes a large compartment front plate and a tilting cylinder. The large compartment front plate is tiltedly arranged on the front side of the frame, the bottom end of the large compartment front plate is hinged to the middle of the front side of the frame, and the cylinder body and piston of the tilting cylinder are respectively fixed on the bottom of the frame and the lower surface of the large compartment front plate.

[0007] Furthermore, the angle between the front plate of the large compartment and the horizontal plane is 20-80°.

[0008] Furthermore, the road wheel with spring suspension device includes a wheel, an axle, a buffer spring, a suspension bracket and a sleeve, the wheel is connected to the suspension bracket through the axle, the suspension bracket is connected to one end of the buffer spring, the other end of the buffer spring is connected to the track frame, the buffer spring is provided with a sleeve outside to ensure that the buffer spring does not slip out, one end of the sleeve is connected to the rubber track chassis, and the other end is not connected.

[0009] Furthermore, the engine is connected to the transmission bridge assembly of the chain plate type unloading mechanism through a gear transmission and a transmission shaft to drive the chain plate type unloading mechanism to operate. A more specific transmission method is: diesel engine-clutch-gear transmission-transmission shaft-differential-drive wheel-crawler.

[0010] Furthermore, the track width of the rubber track chassis is 500-1000 mm, preferably 650 mm.

[0011] Furthermore, two large compartment rear plate hydraulic cylinders are symmetrically arranged between the large compartment rear plate and the vehicle frame.

[0012] The working principle of the utility model desert control gravel paving vehicle is as follows:

[0013] When uninstalling:

[0014] (1) Open the rear panel 5 of the large compartment, and the opening angle of the rear panel 5 of the large compartment is adjusted according to the unloading thickness;

[0015] (2) The latch is withdrawn by the hydraulic cylinder 18 of the large compartment side plate latch, and the large compartment side plates 6 on both sides are opened to reduce the running resistance of the chain plate type unloading mechanism 4;

[0016] (3) Start the chain plate type unloading mechanism 4, unloading gravel while walking;

[0017] (4) When there is gravel or soil on the front deck that has not fallen off, the hydraulic cylinder can be operated to push the front deck to tilt backward, so that the gravel or soil falls onto the chain unloader for unloading.

[0018] After uninstallation is complete:

[0019] (1) Stop the chain plate type unloading mechanism 4;

[0020] (2) Close the rear panel 5 of the large compartment;

[0021] (3) Close the side panel 5 of the large compartment, extend the latch, and fix the side panel 5 of the large compartment;

[0022] (4) Check the front compartment panel and reset it.

[0023] All actions are mechanized.

[0024] The utility model is a desert control gravel paving vehicle for preventing further expansion of the desert, which is used for transporting gravel and paving stone grids to build anti-sand barriers. Specifically, compared with the prior art, the utility model has the following advantages:

[0025] 1) The utility model is equipped with a rubber crawler chassis to reduce the ground pressure and prevent the vehicle from getting stuck; the rubber crawler also has the advantages of good belt flexibility, low resistance and low noise;

[0026] 2) The utility model adopts a road wheel with a spring suspension device for load bearing and shock absorption to adapt to relatively large loads, poor desert road conditions and high driving speeds;

[0027] 3) The utility model adopts a chain plate type unloading mechanism, which is directly driven by two hydraulic motors and a reducer. It can transfer the gravel above the chain plate in the carriage to the rear and unload it during movement to lay out a sand barrier.

[0028] 4) The utility model is designed with two tilting cylinders for opening and closing the large compartment plate at the rear of the compartment, and the opening size can be controlled to adjust the unloading thickness.

[0029] In summary, the utility model desert control gravel paving vehicle has a simple, reasonable and compact structure, a relatively low manufacturing cost, can reduce the labor intensity of workers, greatly improve work efficiency, and has reliable operation and high safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a simplified diagram of the main view of the desert control gravel paving vehicle;

[0031] Figure 2 A bird's-eye view of the gravel paving vehicle for desert control;

[0032] Figure 3 It is the front view of the road wheel with spring suspension device;

[0033] Figure 4 It is a left side view of the road wheels with spring suspension and rubber track chassis;

[0034] Figure 5 It is a schematic diagram of a chain plate type unloader;

[0035] Figure 6 Arrangement for chain plate unloader Figure 1 (main view);

[0036] Figure 7 Arrangement for chain plate unloader Figure 2 (looking down);

[0037] Figure 8 This is the main view of the large compartment frame;

[0038] Fig. 9 This is a top view of the large compartment frame;

[0039] Fig.10 This is the front view of the rear panel of the large compartment;

[0040] Fig.11 This is the rear view of the rear panel of the large compartment;

[0041] Fig.12 This is the front view of the side panel of the large compartment;

[0042] Fig.13 This is the rear view of the side panel of the large compartment;

[0043] Fig.14 This is a top view of the front panel of the large compartment.

[0044] Among them: 1-frame, 2-rubber track chassis, 3-road wheels with spring suspension device, 4-chain plate unloading mechanism, 5-large compartment rear plate, 6-large compartment side plate, 7-engine, 8-tilt cylinder, 9-large compartment front plate, 10-large compartment rear plate hydraulic cylinder, 11-gear transmission, 12-drive shaft, 13-drive axle assembly, 14-large compartment side plate hydraulic cylinder, 15-buffer spring, 16-road wheels, 17-track frame, 18-large compartment side plate latch hydraulic cylinder. DETAILED DESCRIPTION

[0045] The present invention is further described below with reference to the embodiments:

[0046] Example 1

[0047] This embodiment discloses a desert control gravel paving vehicle, such as Figure 1-14 As shown, it includes: a frame 1, a rubber track chassis 2, a load-bearing wheel with a spring suspension device 3, a chain plate type unloading mechanism 4, a large compartment rear plate 5, a large compartment side plate 6, an engine 7, a large compartment rear plate hydraulic cylinder 10 and a large compartment side plate hydraulic cylinder 14.

[0048] The rubber crawler chassis 2 is fixed below the vehicle frame 1, and the track width of the rubber crawler chassis 2 is 650 mm. The road wheel 3 with a spring suspension device is arranged in the rubber crawler chassis 2, and the bottom of the road wheel 3 with a spring suspension device is engaged with the track of the rubber crawler chassis 2, and the top is fixed to the rubber crawler chassis 2. The road wheel 3 with a spring suspension device includes a wheel 16, an axle, a buffer spring 15, a suspension bracket and a sleeve. The wheel 16 is connected to the suspension bracket through the axle, and the suspension bracket is connected to one end of the spring, and the other end of the spring is connected to the track frame 17. The buffer spring 15 has a sleeve outside to ensure that the buffer spring 15 does not slip out. One end of the sleeve is connected to the rubber crawler chassis 2, and the other end is not connected.

[0049] The chain plate type unloading mechanism 4 and the engine 7 are fixed above the bottom of the frame 1, and the engine 7 is connected to the transmission bridge assembly 13 of the chain plate type unloading mechanism 4 through the gear transmission 11 and the transmission shaft 12 to drive the chain plate type unloading mechanism 4 to operate. A more specific transmission method is: diesel engine-clutch-gear transmission-transmission shaft-differential-drive wheel-crawler.

[0050] The top of the large compartment rear plate 5 is hinged to the top of the rear side of the frame 1, and the large compartment rear plate 5 can be flipped toward the outside of the compartment around the hinge axis, and two large compartment rear plate hydraulic cylinders 10 are symmetrically arranged between the large compartment rear plate 5 and the frame 1; the top of the large compartment side plate 6 is hinged to the top of both sides of the frame 1, and a large compartment side plate hydraulic cylinder 14 is arranged between the large compartment side plate 6 and the frame 1, and the large compartment side plate 6 can be flipped toward the outside of the compartment around the hinge axis, and a pin for limiting is also arranged between the large compartment side plate 6 and the frame 1.

[0051] The desert control gravel paving vehicle also includes a large compartment front plate 9 and a tilting cylinder 8. The large compartment front plate 9 is tiltedly arranged on the front side of the frame 1. In this embodiment, the angle between the large compartment front plate 9 and the horizontal plane is 45°; the bottom end of the large compartment front plate 9 is hinged to the middle of the front side of the frame 1, and the cylinder body and piston of the tilting cylinder 8 are respectively fixed on the bottom of the frame 1 and the lower surface of the large compartment front plate 9.

[0052] The working principle of the utility model desert control gravel paving vehicle is as follows:

[0053] When uninstalling:

[0054] (1) Open the rear panel 5 of the large compartment, and the opening angle of the rear panel 5 of the large compartment is adjusted according to the unloading thickness;

[0055] (2) Remove the latch and open the side panels 6 on both sides of the large compartment to reduce the running resistance of the chain plate type unloading mechanism 4;

[0056] (3) Start the chain plate type unloading mechanism 4, unloading gravel while walking;

[0057] (4) When there is gravel or soil on the front deck that has not fallen off, the hydraulic cylinder can be operated to push the front deck to tilt backward, so that the gravel or soil falls onto the chain unloader for unloading.

[0058] After uninstallation is complete:

[0059] (1) Stop the chain plate type unloading mechanism 4;

[0060] (2) Close the rear panel 5 of the large compartment;

[0061] (3) Close the side panel 5 of the large compartment, extend the latch, and fix the side panel 5 of the large compartment;

[0062] (4) Check the front compartment panel and reset it.

[0063] All actions are mechanized.

[0064] The tracks are rubber tracks, which are not wear-resistant and need to be replaced frequently.

[0065] The replacement steps are as follows (vertical spring shock-absorbing suspension):

[0066] (1) Empty - empty the cargo;

[0067] (2) Locking the road wheel: Insert the pin into the road wheel locking pin hole to lock the road wheel and the track frame;

[0068] (3) Lift the vehicle body - Use the outrigger cylinder to lift one side of the vehicle body so that the tracks leave the ground;

[0069] (4) Loosen the track - release the grease in the tensioning cylinder, loosen the tensioning spring, push the guide wheel back, and loosen the track;

[0070] (5) Replacement of crawler tracks;

[0071] (6) Re-tension the track - inject grease into the tensioning cylinder, compress the tensioning spring, push the guide wheel forward, and tighten the track to the appropriate degree;

[0072] (7) Lower the vehicle body;

[0073] (8) Pull out the road wheel locking pin.

[0074] 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 gravel paving vehicle for desert control, characterized in that: include: A vehicle frame (1), a rubber crawler chassis (2), a road wheel with a spring suspension device (3), a chain plate type unloading mechanism (4), a large compartment rear plate (5), a large compartment side plate (6), an engine (7), a large compartment rear plate hydraulic cylinder (10) and a large compartment side plate hydraulic cylinder (14), wherein the rubber crawler chassis (2) is fixed below the vehicle frame (1), the chain plate type unloading mechanism (4) and the engine (7) are fixed on the vehicle frame (1), and the engine (7) is connected to the chain plate type unloading mechanism (4). The top of the large compartment rear plate (5) is hinged to the top of the rear side of the frame (1), the top of the large compartment side plate (6) is hinged to the top of both sides of the frame (1), a large compartment rear plate hydraulic cylinder (10) is arranged between the large compartment rear plate (5) and the frame (1), and a large compartment side plate hydraulic cylinder (14) is arranged between the large compartment side plate (6) and the frame (1); the load-bearing wheel (3) with a spring suspension device is arranged in the rubber crawler chassis (2), and the top of the load-bearing wheel (3) is fixed to the rubber crawler chassis (2).

2. The desert control gravel paving vehicle according to claim 1, characterized in that: A latch is provided between the large compartment side plate (6) and the vehicle frame (1).

3. The desert control gravel paving vehicle according to claim 1, characterized in that: It also includes a large compartment front plate (9) and a tilting cylinder (8), wherein the large compartment front plate (9) is tiltedly arranged on the front side of the vehicle frame (1), the bottom end of the large compartment front plate (9) is hinged to the middle of the front side of the vehicle frame (1), and the cylinder body and piston of the tilting cylinder (8) are respectively fixed to the bottom of the vehicle frame (1) and the lower surface of the large compartment front plate (9).

4. The desert control gravel paving vehicle according to claim 3, characterized in that: The angle between the large compartment front plate (9) and the horizontal plane is 20-80°.

5. The desert control gravel paving vehicle according to claim 1, characterized in that: The road wheel (3) with a spring suspension device comprises a wheel (16), a wheel axle, a buffer spring (15), a suspension bracket and a sleeve. The wheel (16) is connected to the suspension bracket via the wheel axle. The suspension bracket is connected to one end of the buffer spring (15). The other end of the buffer spring (15) is connected to a track frame (17). The buffer spring (15) is provided with a sleeve outside to ensure that the buffer spring (15) does not slip out. One end of the sleeve is connected to the rubber track chassis (2), and the other end is not connected.

6. The desert control gravel paving vehicle according to claim 1, characterized in that: The engine (7) is connected to the transmission bridge assembly (13) of the chain plate type unloading mechanism (4) through a gear transmission box (11) and a transmission shaft (12).

7. The desert control gravel paving vehicle according to claim 1, characterized in that: The track width of the rubber track chassis is 500-1000mm.

8. The desert control gravel paving vehicle according to claim 1, characterized in that: Two large compartment rear plate hydraulic cylinders (10) are symmetrically arranged between the large compartment rear plate (5) and the vehicle frame (1).

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