Gravel paving device for municipal road construction

Abstract

The utility model relates to the technical field of macadam paving for municipal road construction, and discloses a macadam paving device for municipal road construction, which comprises a support frame and a paving mechanism, the paving mechanism comprises a pouring frame and a scraper blade, the left side of the pouring frame is fixedly provided with a filter grating, and the left side of the pouring frame is fixedly provided with a motor; mounting plates are fixedly mounted on the front side and the reverse side of the left end of a material pouring frame correspondingly, through the arranged paving mechanism, gravel slides down along the material pouring frame, large gravel can be intercepted by a filtering grid, and the problem that paving is uneven due to the fact that the large gravel falls on the road surface is avoided; a worker can clean broken stones blocked on a filtering grid in real time by sticking the worker on a standing operation frame, the height between a scraper and the ground can be adjusted by adjusting stretching and retracting of a spring in a telescopic groove, the broken stones can be conveniently paved with different thicknesses, redundant broken stones can be pushed to the two sides through a V-shaped stone scattering plate, and the broken stones can be conveniently spread. Redundant gravel is prevented from being accumulated in the middle, and the flexibility of gravel paving is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushed stone paving for municipal road construction, in particular to a crushed stone paving device for municipal road construction. Background Art

[0002] The gravel paving device is one of the road construction machines. It is a construction machine that can spread gravel evenly on the roadbed. It is mainly composed of a hopper, supporting rollers, a skid, a V-shaped scraper, a widened side plate and running wheels. The hopper is towed behind a dump truck and is fed and towed by the dump truck for paving operations. The front part of the hopper is supported on the rollers. When the gravel paver is towed for a short distance, the rear part is supported on the skid to reduce the specific pressure on the foundation and improve the flatness of the paving layer.

[0003] In the prior art, when paving gravel on municipal roads, different thicknesses are required according to different roads. The current paving device is not convenient for adjusting the height of the scraper and is unable to intercept larger gravel, making it difficult to flatten the larger gravel during paving, thereby affecting the overall paving effect. For this reason, we propose a gravel paving device for municipal road construction. Utility Model Content

[0004] The purpose of the utility model is to provide a gravel paving device for municipal road construction, so as to solve the problem proposed in the above background technology that the height of the scraper of the current paving device is inconvenient to adjust and the larger gravel cannot be intercepted, making it difficult to flatten the larger gravel during paving, thus affecting the overall paving effect.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gravel paving device for municipal road construction, comprising a support frame and a paving mechanism, the paving mechanism comprising a dumping rack and a scraper, a filter grille is fixedly installed on the left side of the dumping rack, mounting plates are fixedly installed on both sides of the left end of the dumping rack, limiting grooves are passed through the front and back sides of the mounting plate, one side of the limiting groove is provided with a slot, a stone scavenging plate is fixedly installed on the right side of the scraper, the stone scavenging plate is "V" shaped, the scraper is movably connected with an adjusting spring through a telescopic slot, and an adjusting rod is fixedly installed on the outer end of the adjusting spring.

[0006] As a preferred solution, a rotating shaft is rotatably connected to the inner part of the support frame near the bottom, and a roller is fixedly mounted on the outer end of the rotating shaft.

[0007] As a preferred solution, the material dumping rack is fixedly installed on the upper end of the support frame, the telescopic slot is opened on the front and back sides of the scraper, the inner end of the adjusting spring is fixedly installed inside the telescopic slot, and a handle is fixedly installed on the outer wall of the adjusting rod near the outer end. The size of the adjusting rod is adapted to the limit slot, and the size of the handle is adapted to the slot.

[0008] As a preferred solution, standing operating frames for workers to stand on are evenly fixedly installed on both sides of the front and back of the material dumping rack.

[0009] As a preferred solution, a connecting mechanism is provided on the right side of the paving mechanism, and the connecting mechanism includes a welding frame and a fixed cover plate. The welding frame is fixedly installed on the tractor, and a slot is provided on the left side of the welding frame. A card block is clamped inside the slot, and the left side of the card block is fixedly installed on the right side of the dumping rack.

[0010] As a preferred solution, threaded holes are provided on the upper surface of the welding frame near the four corners, the internal threads of the threaded holes are connected with fixing bolts, and the fixing bolts are threadedly connected to the fixing cover plate.

[0011] Technical effects and advantages of the utility model:

[0012] 1. Through the setting of the paving mechanism, the gravel slides down along the dumping rack, and the larger gravel will be intercepted by the filter grille to avoid the problem of larger gravel falling on the road surface and causing uneven paving. Workers sticking to the standing operating frame can clean the gravel blocked on the filter grille in real time. By adjusting the extension and contraction of the spring in the telescopic groove, the height between the scraper and the ground can be adjusted to facilitate the paving of gravel of different thicknesses. The "V"-shaped stone plate can push the excess gravel to both sides to avoid excess gravel accumulating in the middle, thereby improving the flexibility of gravel paving.

[0013] 2. Through the connection mechanism, it can be connected to the gravel paving tractor for municipal road construction through the welding frame, and then connected to the slot through the clamping block, so that the dumping frame is connected to the tractor, and finally the fixing bolts are tightened in the threaded holes to complete the fixation between the dumping frame and the tractor, thereby providing power for the paving mechanism and facilitating the use of the paving mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a partial structural schematic diagram of the utility model.

[0016] Figure 3 This is one of the partial structural schematic diagrams of the paving mechanism of the utility model.

[0017] Figure 4 This is the second partial structural schematic diagram of the paving mechanism of the utility model.

[0018] Figure 5 It is a partial structural exploded diagram of the paving mechanism of the utility model.

[0019] Figure 6 It is an exploded view of the connection mechanism of the utility model.

[0020] In the figure: 1. support frame; 2. rotating shaft; 3. roller; 4. paving mechanism; 401. pouring frame; 402. filter grille; 403. standing operating frame; 404. mounting plate; 405. limit groove; 406. slot; 407. scraper; 408. stone plate; 409. telescopic groove; 410. adjustment spring; 411. adjustment rod; 412. handle; 5. connecting mechanism; 51. welding frame; 52. slot; 53. block; 54. threaded hole; 55. fixing cover plate; 56. fixing bolt. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-6The paving device for municipal road construction shown in the figure comprises a support frame 1 and a paving mechanism 4, wherein the paving mechanism 4 comprises a material dumping frame 401 and a scraper 407, wherein a filter grille 402 is fixedly installed on the left side of the material dumping frame 401, and mounting plates 404 are fixedly installed on both sides of the left end of the material dumping frame 401, and the front and back sides of the mounting plate 404 are penetrated by a limiting groove 405, and a groove 406 is opened on one side of the limiting groove 405, and a stone dredging plate 408 is fixedly installed on the right side of the scraper 407, and the stone dredging plate 408 is "V" shaped, and the scraper 407 is fixedly installed on the right side of the scraper 407. An adjusting spring 410 is movably connected through the telescopic slot 409, an adjusting rod 411 is fixedly installed on the outer end of the adjusting spring 410, the unloading rack 401 is fixedly installed on the upper end of the support frame 1, the telescopic slot 409 is opened on the front and back sides of the scraper 407, the inner end of the adjusting spring 410 is fixedly installed inside the telescopic slot 409, and a handle 412 is fixedly installed on the outer wall of the adjusting rod 411 near the outer end. The size of the adjusting rod 411 is adapted to the limit slot 405, and the size of the handle 412 is adapted to the slot 406. The front and back sides of the mounting plate 404 are evenly fixed with standing operation frames 403 for workers to stand on. When paving gravel for municipal road construction, the height of the scraper 407 and the ground is adjusted according to the paving thickness, and the handle 412 is pressed to make the adjustment rod 411 squeeze the adjustment spring 410, and the adjustment spring 410 contracts in the telescopic groove 409 until the outer end of the adjustment rod 411 is separated from the limit groove 405, and the scraper 407 is moved along the longitudinal direction of the mounting plate 404 until it is parallel to the limit groove 405 with a height corresponding to the paving thickness. , release the handle 412, so that the adjustment spring 410 begins to recover its deformation and rebound, and push the outer end of the adjustment rod 411 into the corresponding limit groove 405 to complete the height adjustment of the scraper 407. When the gravel slides down from the dumping rack 401, the larger gravel will be intercepted by the filter grille 402. The worker stands in the standing operating frame 403 to process the intercepted gravel to avoid clogging the filter grille 402. The gravel that passes through the filter grille 402 falls on the road and is flattened by the "V"-shaped stone sludge board 408, and the excess gravel is pushed to both sides.

[0023] In this embodiment, a connecting mechanism 5 is provided on the right side of the paving mechanism 4, and the connecting mechanism 5 includes a welding frame 51 and a fixed cover plate 55. The welding frame 51 is fixedly installed on the tractor, and a slot 52 is provided on the left side of the welding frame 51. A block 53 is clamped inside the slot 52. The left side of the block 53 is fixedly installed on the right side of the dumping frame 401. Threaded holes 54 are provided on the upper surface of the welding frame 51 near the four corners. The internal threads of the threaded holes 54 are connected with fixing bolts 56, and the fixing bolts 56 are connected to the The fixed cover plates 55 are threadedly connected. First, the right side of the welding frame 51 is welded to the tractor. Then, the block 53 on the right end of the dumping frame 401 is clamped in the slot 52 of the welding frame 51 to connect the dumping frame 401 to the tractor. Then, the fixed cover plate 55 is covered on the upper end of the welding frame 51. Finally, the fixing bolts 56 are tightened inside the threaded holes 54. The dumping frame 401 is fixed to the tractor, and the paving mechanism 4 is driven to spread the gravel while the tractor moves forward.

[0024] In this embodiment, a rotating shaft 2 is rotatably connected to the inner portion of the support frame 1 near the bottom, and a roller 3 is fixedly mounted on the outer end of the rotating shaft 2 .

[0025] Working principle of the utility model: the utility model is a gravel paving device for municipal road construction. First, the right side of the welding frame 51 is welded to the tractor, and then the block 53 on the right end of the dumping frame 401 is clamped in the slot 52 of the welding frame 51, so that the dumping frame 401 is connected to the tractor, and then the fixed cover plate 55 is covered on the upper end of the welding frame 51, and finally the fixing bolt 56 is tightened inside the threaded hole 54. The dumping frame 401 is fixed to the tractor, and the paving mechanism 4 is driven to pave the gravel while the tractor moves forward.

[0026] When paving gravel for municipal road construction, first adjust the height of the scraper 407 and the ground according to the paving thickness, press the handle 412, so that the adjustment rod 411 squeezes the adjustment spring 410, and the adjustment spring 410 contracts in the telescopic slot 409 until the outer end of the adjustment rod 411 is disengaged from the limit slot 405, and move the scraper 407 along the longitudinal direction of the mounting plate 404 until it is parallel to the limit slot 405 with a height corresponding to the paving thickness, release the handle 412, and the adjustment spring 410 is retracted in the telescopic slot 409. The spring 410 begins to recover its deformation and rebound, pushing the outer end of the adjustment rod 411 into the corresponding limit groove 405 to complete the height adjustment of the scraper 407. When the gravel slides down from the dumping rack 401, the larger gravel will be intercepted by the filter grille 402. The worker stands in the standing operating frame 403 to process the intercepted gravel to avoid clogging the filter grille 402. The gravel that passes through the filter grille 402 falls on the road and is flattened by the "V"-shaped stone slat 408, and the excess gravel is pushed to both sides.

[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crushed stone paving device for municipal road construction, comprising a support frame (1) and a paving mechanism (4), characterized in that: The paving mechanism (4) comprises a material dumping frame (401) and a scraper (407). A filter grille (402) is fixedly mounted on the left side of the material dumping frame (401). Mounting plates (404) are fixedly mounted on both the front and back sides of the left end of the material dumping frame (401). The front and back sides of the mounting plate (404) are penetrated by a limiting groove (405). A groove (406) is provided on one side of the limiting groove (405). A stone scavenging plate (408) is fixedly mounted on the right side of the scraper (407). The stone scavenging plate (408) is "V"-shaped. The scraper (407) is movably connected to an adjusting spring (410) via a telescopic groove (409). An adjusting rod (411) is fixedly mounted on the outer end of the adjusting spring (410).

2. A crushed stone paving device for municipal road construction according to claim 1, characterized in that: A rotating shaft (2) is rotatably connected to the interior of the support frame (1) near the bottom, and a roller (3) is fixedly mounted on the outer end of the rotating shaft (2).

3. A crushed stone paving device for municipal road construction according to claim 2, characterized in that: The material dumping rack (401) is fixedly mounted on the upper end of the support frame (1); the telescopic slot (409) is provided on both sides of the scraper (407); the inner end of the adjusting spring (410) is fixedly mounted inside the telescopic slot (409); a handle (412) is fixedly mounted on the outer wall of the adjusting rod (411) near the outer end; the size of the adjusting rod (411) is matched with the limiting slot (405); and the size of the handle (412) is matched with the slot (406).

4. A crushed stone paving device for municipal road construction according to claim 3, characterized in that: Standing operating frames (403) for workers to stand are evenly fixedly installed on both sides of the front and back of the material dumping frame (401).

5. The crushed stone paving device for municipal road construction according to claim 2, characterized in that: A connecting mechanism (5) is provided on the right side of the paving mechanism (4), and the connecting mechanism (5) comprises a welding frame (51) and a fixed cover plate (55). The welding frame (51) is fixedly mounted on the tractor, and a clamping groove (52) is provided on the left side of the welding frame (51). A clamping block (53) is clamped inside the clamping groove (52), and the left side of the clamping block (53) is fixedly mounted on the right side of the dumping frame (401).

6. A crushed stone paving device for municipal road construction according to claim 5, characterized in that: The upper surface of the welding frame (51) is provided with threaded holes (54) near the four corners, the inner parts of the threaded holes (54) are threadedly connected with fixing bolts (56), and the fixing bolts (56) are threadedly connected to the fixing cover plate (55).

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