Pavement construction crusher

Abstract

The utility model discloses a road surface construction crusher, and particularly relates to the technical field of road construction, the road surface construction crusher comprises a movable support, a water spraying assembly, a cylindrical outer cover and a lifting assembly, the top end of the support is provided with a first hydraulic rod, the bottom end of the first hydraulic rod is provided with a crushing assembly, and the crushing assembly comprises a driving part and a crushing column; the driving part is used for achieving rotation of the crushing column, the cylindrical outer cover covers the periphery of the crushing column, a corrugated ring is arranged at the bottom end of the cylindrical outer cover, and the lifting assembly is used for achieving vertical lifting of the cylindrical outer cover. The barrel-shaped outer cover can block broken concrete blocks, concrete protruding blocks are prevented from splashing, follow-up centralized cleaning of constructors is facilitated, the situation that the protruding blocks splash to cause personnel injury can be avoided, safety is greatly improved, the height of the barrel-shaped outer cover can be adjusted through the second hydraulic rods on the circular plate, and the working efficiency of the constructors is improved. And the corrugated ring at the bottom end of the cylindrical outer cover can be always grounded.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to a road surface construction breaker. Background Art

[0002] Many old cement concrete pavements have been damaged over a large area and have lost their overall bearing capacity. Therefore, these damaged cement concrete roads need to be renovated and rebuilt. Among them, pavement breakers are commonly used equipment in road construction, which usually achieve the crushing of cement concrete roads through squeezing and colliding of crushing parts and pavement.

[0003] The current road breaker utilizes a lifting structure to drive a crushing column (crushing cone) to move up and down to hit the ground, and cooperates with the rotation of a rotating structure to crush the concrete road. Although the road surface can be crushed effectively, concrete blocks will splash during the crushing process of the crushing column (crushing cone), which makes it inconvenient for workers to clean up the debris in a centralized manner. The splashing concrete blocks may also cause injuries to workers, making the overall crushing safety low. Utility Model Content

[0004] The utility model aims to provide a road construction breaker to solve the above-mentioned technical deficiencies.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solution: a road construction breaker, comprising:

[0006] A movable bracket, the bracket is in an inverted concave shape, and a first hydraulic rod is installed at the top of the bracket, and a crushing assembly is installed at the bottom of the first hydraulic rod. The crushing assembly includes a driving part and a crushing column, and the driving part is used to realize the rotation of the crushing column;

[0007] A water spray assembly, the water spray assembly is mounted on the outside of the bracket, and the water spray assembly includes a water outlet toward the crushing column;

[0008] A cylindrical outer cover, which is arranged on the periphery of the crushing column, and a corrugated ring is arranged at the bottom end of the cylindrical outer cover;

[0009] A lifting assembly is used to realize the up and down lifting of the cylindrical outer cover.

[0010] Preferably, a water dispersion tube is fixed to the inner top of the cylindrical outer cover, a through hole through which a crushing column passes is axially provided in the water dispersion tube, and an annular water guide channel is provided inside the water dispersion tube, a plurality of first water outlet holes are provided on the inner wall of the through hole, and a plurality of second water outlet holes are provided on the lower end surface of the water dispersion tube, and both the first water outlet holes and the second water outlet holes are connected with the water guide channel.

[0011] Preferably, the lifting assembly comprises:

[0012] A bearing, wherein the bearing is sleeved on the outer upper end of the crushing column;

[0013] A circular plate, wherein the circular plate is fixed on the outer ring of the bearing;

[0014] A plurality of second hydraulic rods are installed on the circular plate in a ring array, and the bottom ends of the second hydraulic rods are connected to the upper end surface of the cylindrical outer cover.

[0015] Preferably, the bracket includes two vertical plates and a top plate, the two vertical plates are symmetrically connected to the two ends of the lower end surface of the top plate, and a bottom support plate is fixed to the bottom end of the vertical plates, and a moving wheel is installed at the bottom end of the bottom support plate.

[0016] Preferably, the water spray assembly also includes a water tank, which is mounted on the upper end surface of the bottom support plate, and a water pump is installed in the water tank, the water outlet end of the water pump is connected to the water outlet nozzle through a water pipe, and at least part of the water pipe is a hose.

[0017] Preferably, the water pipe includes a water supply hose and a water supply hard pipe, and the water supply hose is connected between the water supply hard pipe and the water pump.

[0018] Preferably, the driving part comprises:

[0019] A mounting frame, the mounting frame being fixed to the bottom end of the first hydraulic rod;

[0020] The motor is installed inside the installation frame, and the output end of the motor is connected to the top of the crushing column.

[0021] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0022] 1. The cylindrical outer cover provided in the utility model can block the broken concrete blocks, avoid the splashing of concrete convex blocks, and concentrate the concrete blocks in the crushing area, which is beneficial to the centralized cleaning of subsequent construction personnel, and can avoid injuries caused by the splashing of convex blocks, greatly improving the safety of the crusher in working state, and providing a lifting component, by using a plurality of second hydraulic rods on the circular plate to adjust the height of the cylindrical outer cover, so that the corrugated ring at the bottom end of the cylindrical outer cover can always be grounded, avoiding the gap at the bottom end to cause the concrete blocks to fly out, and improving the blocking effect of the concrete blocks.

[0023] 2. By setting a water guide channel, a first water outlet hole and a second water outlet hole, after water is sprayed out from the water outlet nozzle, the water first enters the water guide channel, and then the water can flow out from multiple first water outlet holes and second water outlet holes 20. The water flowing out of the multiple first water outlet holes can flow to the outer wall of the crushing column from multiple sides, thereby improving the uniformity of cooling and avoiding damage to the crushing column caused by uneven cooling. The water flowing out of the second water outlet hole can be sprayed downward from multiple positions, thereby improving the dust reduction effect in the cylindrical outer cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present application 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 recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0025] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0026] Figure 2 This is a schematic diagram of the structure of the utility model when the cylindrical outer cover is removed;

[0027] Figure 3 It is a structural schematic diagram of the cylindrical outer cover and the water dispersion tube of the utility model.

[0028] Description of reference numerals:

[0029] 1. Vertical plate; 2. Top plate; 3. First hydraulic rod; 4. Bottom support plate; 5. Moving wheel; 6. Mounting frame; 7. Motor; 8. Crushing column; 9. Round plate; 10. Second hydraulic rod; 11. Cylindrical outer cover; 12. Bellows; 13. Water supply hose; 14. Water supply hard pipe; 15. Water tank; 16. Water outlet; 17. Diffuser; 18. Perforation; 19. First water outlet; 20. Second water outlet; 21. Bearing. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0031] Figure 1 It is a schematic diagram of the overall structure of the utility model, and combined with Figure 2As shown, the road construction breaker includes a bracket, a cylindrical outer cover 11 and a lifting assembly, wherein the bracket is an inverted concave structure. Specifically, the bracket includes two vertical plates 1 and a top plate 2, the two vertical plates 1 are symmetrically connected to the two ends of the lower end surface of the top plate 2, and a bottom support plate 4 is fixed to the bottom end of the vertical plate 1, and a moving wheel 5 is installed at the bottom end of the bottom support plate 4. The portable movement of the breaker is achieved through the moving wheel 5, and a first hydraulic rod 3 is installed at the top of the bracket, and a crushing assembly is installed at the bottom end of the first hydraulic rod 3. The crushing assembly is driven by the first hydraulic rod 3 Move up and down, wherein the crushing assembly includes a driving part and a crushing column 8, a crushing tip is provided at the bottom end of the crushing column 8, the driving part is used to realize the rotation of the crushing column 8, a cylindrical outer cover 11 is provided on the periphery of the crushing column 8 to block the concrete fragments during crushing to avoid the concrete fragments from splashing, and a corrugated ring 12 is provided at the bottom end of the cylindrical outer cover 11, and the lifting assembly is used to realize the up and down lifting of the cylindrical outer cover 11, the corrugated ring 12 is elastic and contacts the ground, and when the lifting assembly is used to drive the cylindrical outer cover 11 to descend, the corrugated ring 12 can be compressed.

[0032] Secondly, a connecting plate can be installed on the upper end of the outer wall of the vertical plate 1, and a driving vehicle head can be installed by using the connecting plate to drive the crusher to move on the road surface.

[0033] In the present invention, a specific embodiment of the present invention is shown in FIG. Figure 1-Figure 2 As shown, the lifting assembly includes:

[0034] A bearing 21, wherein the bearing 21 is sleeved on the outer upper end of the crushing column 8;

[0035] A circular plate 9, the circular plate 9 is fixed on the outer ring of the bearing 21;

[0036] A plurality of second hydraulic rods 10 are installed on the circular plate 9 in an annular array, and the bottom ends of the second hydraulic rods 10 are connected to the upper end surface of the cylindrical outer cover 11 .

[0037] In the present invention, a specific embodiment of the present invention is shown in FIG. Figure 1-Figure 2 As shown, the drive part includes:

[0038] An installation frame 6, the installation frame 6 is fixed to the bottom end of the first hydraulic rod 3;

[0039] The motor 7 is installed inside the installation frame 6 , and the output end of the motor 7 is connected to the top of the crushing column 8 .

[0040] Through the above technical solution:

[0041] When in use, the crusher is first moved to the road surface to be crushed, and then the motor 7 in the installation frame 6 can be started, and the crushing column 8 is driven to rotate by the output end of the motor 7. At the same time, the first hydraulic rod 3 is controlled to move the crushing column 8 downward to contact the ground for crushing operation. The crushed concrete blocks are blocked by the cylindrical outer cover 11, which can effectively avoid the splashing of concrete blocks, so that the concrete blocks are concentrated in the crushing area, which is conducive to the centralized cleaning of subsequent construction personnel, and can avoid injuries caused by the splashing of blocks, thereby greatly improving the safety of the crusher in working state.

[0042] Among them, the height of the cylindrical outer cover 11 can be adjusted by multiple second hydraulic rods 10 on the circular plate 9, so that the corrugated ring 12 at the bottom end of the cylindrical outer cover 11 can always be grounded, avoiding gaps at the bottom and causing concrete blocks to fly out, thereby improving the blocking effect of the concrete blocks.

[0043] The road construction breaker also includes a water spray assembly, which is mounted on the outside of the bracket and includes a water outlet 16 facing the breaker column 8;

[0044] The water spray assembly also includes a water tank 15, which is installed on the upper end surface of the bottom support plate 4, and a water pump is installed in the water tank 15. The water outlet of the water pump is connected to the water outlet 16 through a water pipe, and at least part of the water pipe is a hose.

[0045] The water pipe includes a water supply hose 13 and a water supply hard pipe 14 , and the water supply hose 13 is connected between the water supply hard pipe 14 and the water pump.

[0046] Through the above technical solution:

[0047] During the crushing operation, the water pump is started and the water in the water tank 15 is extracted by the water pump. The water can be sent to the water outlet 16 through the water pipe and sprayed on the crushing column 8. The crushing column 8 can be cooled synchronously to extend the service life of the crushing column 8. The sprayed water can also play a role in dust reduction.

[0048] The provision of the water supply hose 13 can provide a certain change in the pipeline when the cylindrical outer cover 11 is raised or lowered, thereby avoiding the pulling and damage of the hard pipe.

[0049] In addition, see Figure 3 As shown, a water dispersion tube 17 is fixed to the top of the inner part of the cylindrical outer cover 11, and a through hole 18 through which the crushing column 8 passes is provided in the axial direction of the water dispersion tube 17, and an annular water guide channel is provided inside the water dispersion tube 17, and a plurality of first water outlet holes 19 are provided on the inner wall of the through hole 18, and the plurality of first water outlet holes 19 are preferably distributed in an annular array, and a plurality of second water outlet holes 20 are provided on the lower end surface of the water dispersion tube 17, and the plurality of second water outlet holes 20 are also preferably distributed in an annular array, and the first water outlet holes 19 and the second water outlet holes 20 are both connected with the water guide channel.

[0050] Through the above, after the water is sprayed out from the water outlet 16, the water first enters the water guide channel, and then the water can flow out from the multiple first water outlet holes 19 and the second water outlet holes 20. The water flowing out from the multiple first water outlet holes 19 can flow to the outer wall of the crushing column 8 from multiple sides, thereby improving the uniformity of cooling and avoiding damage to the crushing column 8 caused by uneven cooling. The water flowing out from the second water outlet holes 20 can be sprayed downward from multiple positions, thereby improving the dust reduction effect in the cylindrical outer cover 11.

[0051] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A road construction breaker, characterized in that: include: A movable bracket, the bracket is in an inverted concave shape, and a first hydraulic rod (3) is installed at the top end of the bracket, and a crushing assembly is installed at the bottom end of the first hydraulic rod (3), the crushing assembly includes a driving part and a crushing column (8), and the driving part is used to realize the rotation of the crushing column (8); A water spray assembly, the water spray assembly being mounted on the outside of the bracket and comprising a water outlet nozzle (16) facing the crushing column (8); A cylindrical outer cover (11), the cylindrical outer cover (11) is arranged on the periphery of the crushing column (8), and a corrugated ring (12) is provided at the bottom end of the cylindrical outer cover (11); A lifting component is provided, wherein the lifting component is used to realize the up and down lifting of the cylindrical outer cover (11).

2. A road construction breaker according to claim 1, characterized in that: A water dispersion tube (17) is fixed to the top of the inner part of the cylindrical outer cover (11); a through hole (18) through which a crushing column (8) passes is arranged in the axial direction of the water dispersion tube (17); an annular water guide channel is provided inside the water dispersion tube (17); a plurality of first water outlet holes (19) are arranged on the inner wall of the through hole (18); a plurality of second water outlet holes (20) are arranged on the lower end surface of the water dispersion tube (17); the first water outlet holes (19) and the second water outlet holes (20) are both connected to the water guide channel.

3. A road construction breaker according to claim 1, characterized in that: The lifting assembly comprises: A bearing (21), wherein the bearing (21) is sleeved on the outer upper end of the crushing column (8); A circular plate (9), wherein the circular plate (9) is fixed on the outer ring of the bearing (21); A plurality of second hydraulic rods (10) are installed on the circular plate (9) in a ring array, and the bottom ends of the second hydraulic rods (10) are connected to the upper end surface of the cylindrical outer cover (11).

4. A road construction breaker according to claim 1, characterized in that: The bracket comprises two vertical plates (1) and a top plate (2), the two vertical plates (1) are symmetrically connected to the two ends of the lower end surface of the top plate (2), and a bottom support plate (4) is fixed to the bottom end of the vertical plates (1), and a moving wheel (5) is installed at the bottom end of the bottom support plate (4).

5. A road construction breaker according to claim 4, characterized in that: The water spray assembly further comprises a water tank (15), the water tank (15) being mounted on the upper end surface of the bottom support plate (4), and a water pump being mounted in the water tank (15), the water outlet end of the water pump being connected to a water outlet nozzle (16) via a water pipe, and at least a portion of the water pipe being a hose.

6. A road construction breaker according to claim 5, characterized in that: The water pipe comprises a water supply hose (13) and a water supply hard pipe (14), and the water supply hose (13) is connected between the water supply hard pipe (14) and a water pump.

7. A road construction breaker according to claim 1, characterized in that: The driving part comprises: A mounting frame (6), wherein the mounting frame (6) is fixed to the bottom end of the first hydraulic rod (3); A motor (7), wherein the motor (7) is installed inside the installation frame (6), and an output end of the motor (7) is connected to the top of the crushing column (8).

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