Concrete paver

Abstract

A concrete paver is suitable for mechanized paving of concrete pavements of mines, tunnels and related projects, particularly suitable for mechanized paving of concrete pavements of coal mine tunnels, and comprises a crawler walking part, a body part connected with the crawler walking part, a spiral conveying device connected with the body part, and a track frame part connected with the body part. The paving mechanism is mounted on the track frame part, the stirring device is connected with the body part, and the belt conveyor is mounted on the body part. The concrete paver provided by the utility model can replace the concrete paving work of a manual construction roadway bottom plate, greatly improves the concrete paving quality and efficiency, and can adapt to the concrete paving work under the fluctuating working condition of the roadway bottom plate.

Description

Technical Field

[0001] The utility model relates to a concrete paver suitable for the construction of concrete pavement in mine tunnels, in particular to a concrete paver suitable for the construction of concrete pavement in coal mine tunnels. Background Art

[0002] In many coal mines, the concrete of underground road surfaces is required to be hardened to meet the needs of trackless rubber-wheeled vehicles for the transportation of personnel, materials and equipment. At present, the pavement of underground road surfaces is generally paved with trackless rubber-wheeled vehicles to transport finished concrete, and concrete paving, vibration and leveling are carried out by manpower. The labor intensity is high, the construction period is long, and the construction quality is difficult to guarantee. Trackless rubber-wheeled vehicles have no concrete mixing function, the transportation distance is long, and the performance of finished concrete is difficult to guarantee. The bottom plate of coal mine roadways often has longitudinal undulations, which increases the difficulty of pavement paving. Summary of the invention

[0003] The utility model provides a concrete paver to solve the above-mentioned problems. The concrete paver can transport the finished concrete transported by a trackless rubber-wheeled vehicle over a long distance to a mixing device through a screw conveyor for re-mixing, thereby improving the performance of the finished concrete transported over a long distance. The mixed concrete is transported to the tunnel floor through a belt conveyor, and then the paving mechanism spreads the concrete on the tunnel floor within a required width range, vibrates it to make it dense and levels the surface. The construction efficiency is high and the paving quality of the tunnel concrete pavement can be easily guaranteed. The paving mechanism can swing up and down to meet the paving requirements under the longitudinal undulating working conditions of the coal mine tunnel floor.

[0004] The technical solution adopted by the utility model is: the concrete paver includes a crawler walking part, a main body is connected to the crawler walking part, a spiral conveying device is connected to the main body, a track frame is connected to the main body, a paving mechanism is installed on the track frame, a stirring device is connected to the main body, and a belt conveyor is installed on the main body.

[0005] In the above technical solution, in one embodiment, the screw conveying device includes a conveying shell, a conveying drive device is connected to the conveying shell, and a screw body is connected to the conveying drive device.

[0006] In the above technical solution, in one embodiment, the stirring device includes a stirring shell, a stirring drive device connected to the stirring shell, a stirring arm connected to the stirring drive device, a gate connected to the stirring shell, and a first oil cylinder connected to the stirring shell and the gate.

[0007] In the above technical solution, in one embodiment, the belt conveyor includes a frame, a driving roller and a guide roller are respectively installed at two ends of the frame, and a belt is wrapped around the driving roller, the guide roller and the frame.

[0008] In the above technical scheme, in one embodiment, the main body includes a main body frame, a spiral conveying bracket and a stirring bracket are installed on the main body frame, rollers are installed on both sides of the inside of the main body frame, ear plates are installed on the main body frame, the second oil cylinder and the third oil cylinder are installed on the main body frame, the spiral conveying bracket and the second oil cylinder are connected to the conveying shell in the spiral conveying device, the stirring bracket and the third oil cylinder are connected to the stirring shell in the stirring device, the frame in the belt conveyor is installed on the rollers, the fourth oil cylinder is connected to the ear plates and the frame in the belt conveyor, and the crawler walking part is connected to the main body frame.

[0009] In the above technical solution, one embodiment, the track frame portion includes a column, a track frame connected to the column, a fifth cylinder connected to the column and a pull rod, the other end of the pull rod is connected to the track frame, a material baffle plate device is connected to the track frame, a sixth cylinder is connected to the track frame and the material baffle plate device, a seventh cylinder is connected to the track frame and the paving mechanism, and the column is connected to the main body frame in the main body.

[0010] In an embodiment of the technical solution, the material baffle device includes a first connecting rod and a second connecting rod respectively connected to the track frame, the second connecting rod is connected to the sixth oil cylinder, the upper frame is connected to the first connecting rod and the second connecting rod, the baffle is installed on the upper frame, and the eighth oil cylinder is connected to the upper frame and the baffle.

[0011] In the above technical scheme, one embodiment, the paving mechanism includes a frame body, a spiral feeding device is installed on the frame body, a ninth oil cylinder is connected to the spiral feeding device and the frame body, a thickness control plate is installed on the frame body, a tenth oil cylinder is connected to the thickness control plate and the frame body, a vibrating device is installed on the frame body, an eleventh oil cylinder is connected to the vibrating device and the frame body, a leveling device is installed on the frame body, and a twelfth oil cylinder is connected to the leveling device and the frame body.

[0012] In an embodiment of the technical solution, the spiral material distribution device includes a reduction box provided with a driving device, a connecting plate is connected to the reduction box provided with the driving device, and the material distribution spiral is connected to the reduction box provided with the driving device and the connecting plate.

[0013] In an embodiment of the technical solution, the vibrating device includes a lifting plate, a rotating shaft rod is installed on the lifting plate, a vibrating rod is connected to the rotating shaft rod, and a thirteenth oil cylinder is connected to the rotating shaft rod and the lifting plate.

[0014] In an embodiment of the technical solution, the leveling device includes a leveling plate, a vibration shaft is mounted on the leveling plate, an eccentric block and a driven wheel are provided on the vibration shaft, and a leveling drive device provided with a driving wheel is connected to the leveling plate.

[0015] The effective benefits of the utility model are: the concrete paver can replace the manual construction of the roadway concrete pavement paving work, the mixing device of the concrete paver can improve the performance of concrete transported from a long distance, greatly improving the quality and efficiency of concrete paving, the concrete paver can adapt to the concrete paving work under the undulating working conditions of the roadway floor, and has strong adaptability to the roadway conditions, and the concrete paver can mix cement, coarse aggregate, fine aggregate, water and other materials through the mixing device to produce finished concrete to meet the construction requirements of different requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the walking state structure of an embodiment of the utility model;

[0017] Figure 2 yes Figure 1 Schematic diagram of the structure from top view;

[0018] Figure 3 This is a schematic diagram of the working state structure of an embodiment of the utility model;

[0019] Figure 4 yes Figure 3 Schematic diagram of the structure from top view;

[0020] Figure 5 yes Figure 1 A schematic structural diagram of an embodiment of a spiral conveying device;

[0021] Figure 6 yes Figure 5 Schematic diagram of the structure from top view;

[0022] Figure 7 yes Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of a stirring device;

[0023] Figure 8 yes Figure 1 A schematic structural diagram of an embodiment of a stirring device;

[0024] Fig. 9 yes Figure 7 A schematic diagram of the three-dimensional structure of an embodiment of a middle stirring arm;

[0025] Fig.10 yes Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of a medium belt conveyor;

[0026] Fig.11 yes Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of the middle body;

[0027] Fig.12 yes Figure 1 A schematic diagram of the three-dimensional structure of an embodiment of the middle track frame portion;

[0028] Fig.13 yes Fig.12 A schematic diagram of the three-dimensional structure of an embodiment of a middle track frame;

[0029] Fig.14 yes Fig.12 A schematic diagram of the three-dimensional structure of an embodiment of a middle baffle plate device;

[0030] Fig.15 yes Figure 1 A schematic structural diagram of an embodiment of a middle paving mechanism;

[0031] Fig.16 yes Fig.15 Schematic diagram of the structure from top view;

[0032] Fig.17 yes Fig.15 Schematic diagram of the lateral structure;

[0033] Fig.18 yes Fig.15 Schematic diagram of the three-dimensional structure of the middle spiral feeding device;

[0034] Fig.19 yes Fig.15 Schematic diagram of the three-dimensional structure of the middle vibrating device;

[0035] Fig. 20 yes Fig.15 Schematic diagram of the three-dimensional structure of the intermediate leveling device;

[0036] Fig.21 yes Fig.15 Schematic diagram of the three-dimensional structure of the central bank frame; DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the utility model, the following is a diagram of an embodiment of the present invention. Figure 1 to Figure 21 , the utility model is described in further detail.

[0038] like Figures 1 to 4 As shown, a concrete paver according to an embodiment of the utility model includes a crawler walking part 15, a main body 14 connected to the crawler walking part 15, a screw conveyor 1 connected to the main body 14, a track frame part 7 connected to the main body 14, a paving mechanism 11 installed on the track frame part 7, a stirring device 4 connected to the main body 14, and a belt conveyor 5 installed on the main body 14.

[0039] like Figures 1 to 6 As shown, a screw conveying device 1 according to an embodiment of the present invention comprises a conveying shell 17 , a conveying driving device 18 connected to the conveying shell 17 , a screw body 19 connected to the conveying driving device 18 , and the conveying driving device 18 drives the screw body 19 to rotate.

[0040] like Figure 1 , 2 As shown in Figures 3, 4, 7, 8 and 9, a stirring device 4 according to an embodiment of the present invention includes a stirring shell 20, a stirring drive device 21 connected to the stirring shell 20, a stirring arm 22 connected to the stirring drive device 21, the stirring drive device 21 drives the stirring arm 22 to rotate, a gate plate 23 connected to the stirring shell 20, a first oil cylinder 24 connected to the stirring shell 20 and the gate plate 23, and the first oil cylinder 24 extends and retracts to drive the gate plate 23 to rotate along the axis connected to the stirring shell 20.

[0041] like Figure 1 , 2 As shown in Figures 3, 4 and 10, a belt conveyor 5 according to an embodiment of the utility model includes a frame 30, a driving roller 29 and a guide roller 31 are respectively installed at two ends of the frame 30, a belt 32 is wrapped around the driving roller 29, the guide roller 31 and the frame 30, and the driving roller 29 drives the belt 32 to move.

[0042] like Figure 1 , 2 , 3, 4, 5, 6, 7, 8, 10, and 11, the main body 14 according to an embodiment of the present utility model includes a main body frame 61, a spiral transport bracket 25 and a stirring bracket 26 are installed on the main body frame 61, a plurality of rollers 28 are installed on both sides of the inside of the main body frame 61, an ear plate 27 is installed on the main body frame 61, a second oil cylinder 2 and a third oil cylinder 3 are installed on the main body frame 61, the spiral transport bracket 25 and the second oil cylinder 2 are connected to the conveying shell 17 in the spiral conveying device 1, and the second oil cylinder 2 is extended to drive the spiral transport The conveying device 1 rotates along the axis connected to the conveying shell 17 and the spiral conveying bracket 25, the stirring bracket 26 and the third oil cylinder 3 are connected to the stirring shell 20 in the stirring device 4, the third oil cylinder 3 is telescopic to drive the stirring device 4 to rotate along the axis connected to the stirring shell 20 and the stirring bracket 26, the frame 30 in the belt conveyor 5 is installed on the roller 28, the fourth oil cylinder 6 is connected to the ear plate 27 and the frame 30 in the belt conveyor 5, the fourth oil cylinder 6 is telescopic to drive the belt conveyor 5 to move forward and backward, and the crawler walking part 15 is connected to the main frame 61.

[0043] like Figure 1 , 2As shown in , 3, 4, 11, 12, 13, 14, 15, and 21, the track frame portion 7 according to an embodiment of the utility model includes a column 33, a track frame 34 is connected to the column 33, a fifth oil cylinder 8 is connected to the column 33 and a pull rod 9, the other end of the pull rod 9 is connected to the track frame 34, the fifth oil cylinder 8 is telescopic to drive the track frame 34 to rotate along the axis connected with the column 33, the baffle plate device 13 is connected to the track frame 34, the sixth oil cylinder 10 is connected to the track frame 34 and the baffle plate device 13, the sixth oil cylinder 10 is telescopic to drive the baffle plate device 13 to rotate along the axis connected with the track frame 34, the seventh oil cylinder 12 is connected to the track frame 34 and the row frame body 56 in the paving mechanism 11, the row frame body 56 is installed on the track frame 34, the seventh oil cylinder 12 is telescopic to drive the paving mechanism 11 to move back and forth in the track frame 34, and the column 33 is connected to the main body frame 61 in the main body 14.

[0044] In this embodiment, the material baffle device 13 includes a first connecting rod 35 and a second connecting rod 37 which are respectively connected to the track frame 34, the second connecting rod 37 is connected to the sixth cylinder 10, the upper frame 36 is connected to the first connecting rod 35 and the second connecting rod 37, the baffle 38 is installed on the upper frame 36, and the eighth cylinder 39 is connected to the upper frame 36 and the baffle 38. The eighth cylinder 39 is extended and retracted to drive the baffle 38 to move up and down.

[0045] like Figure 1 , 2 As shown in Figures 3, 4, 15, 16, 17, 18, 19, 20 and 21, a paving mechanism 11 according to an embodiment of the present utility model includes a frame body 56, a spiral material distribution device 40 is installed on the frame body 56, a ninth oil cylinder 43 is connected to the spiral material distribution device 40 and the frame body 56, the ninth oil cylinder 43 is telescopic to drive the spiral material distribution device 40 to move up and down, a thickness control plate 46 is installed on the frame body 56, a tenth oil cylinder 45 is connected to the thickness control plate 46 and the frame body 56, the tenth oil cylinder 45 is telescopic to drive the thickness control plate 46 to move up and down, a vibrating device 60 is installed on the frame body 56, an eleventh oil cylinder 47 is connected to the vibrating device 60 and the frame body 56, the eleventh oil cylinder 47 is telescopic to drive the vibrating device 60 to move up and down, a leveling device 52 is installed on the frame body 56, a twelfth oil cylinder 53 is connected to the leveling device 52 and the frame body 56, the twelfth oil cylinder 53 is telescopic to drive the leveling device 52 to move up and down.

[0046] In this embodiment, the spiral material distribution device 40 includes a reduction box 42 provided with a driving device, a connecting plate 44 is connected to the reduction box 42 provided with a driving device, a material distribution spiral body 41 is connected to the reduction box 42 provided with a driving device and the connecting plate 44, and the reduction box 42 provided with a driving device drives the material distribution spiral body 41 to rotate.

[0047] In this embodiment, the vibrating device 60 includes a lifting plate 49, a rotating shaft rod 50 is installed on the lifting plate 49, a plurality of vibrating rods 51 are connected to the rotating shaft rod 50, a thirteenth oil cylinder 48 is connected to the rotating shaft rod 50 and the lifting plate 49, and the thirteenth oil cylinder 48 is extended and retracted to drive the vibrating rods 51 connected to the rotating shaft rod 50 to swing up and down.

[0048] In this embodiment, the leveling device 52 includes a leveling plate 54, a vibration shaft 57 is installed on the leveling plate 54, an eccentric block 58 and a driven wheel 59 are provided on the vibration shaft 57, a leveling drive device 55 provided with a driving wheel is connected to the leveling plate 54, the leveling drive device 55 provided with a driving wheel drives the vibration shaft 57 to rotate, and the rotation of the vibration shaft 57 drives the leveling plate 54 to vibrate.

[0049] When the concrete paver of this embodiment is working, Figures 3 to 20 As shown, the concrete paver is placed in a template 16 laid on the tunnel floor. The fifth oil cylinder 8 drives the track frame 7 to rotate and adjust the angle so that the paving mechanism 11 installed on the track frame 7 is parallel to the tunnel floor. According to the thickness of the concrete to be paved, the height of the spiral material distribution device 40, the thickness control plate 46, the vibrating device 60 and the leveling device 52 from the tunnel floor are adjusted by the ninth oil cylinder 43, the tenth oil cylinder 45, the eleventh oil cylinder 47 and the twelfth oil cylinder 53 respectively. The screw conveying device 1 is lowered until its end is placed on the roadway floor. The sixth oil cylinder 10 pushes the baffle plate device 13 to expand to the same width as the template 16. The eighth oil cylinder 39 drives the baffle plate 38 to the top of the template 16. According to the ups and downs of the roadway floor, the third oil cylinder 3 drives the stirring device 4 to rotate so that the angle between it and the horizontal plane is as small as possible, so that the stirring device 4 can load the best amount of concrete. The rubber-wheeled trackless vehicle unloads the concrete into the screw conveying device 1, and the conveying drive device 18 drives the spiral body 19 to rotate to transfer the concrete. The concrete is transported to the mixing device 4, the mixing drive device 21 drives the mixing arm 22 to rotate and mix the concrete, the first oil cylinder 24 pushes the gate 23 to open, the concrete in the mixing device 4 falls onto the belt conveyor 5, the fourth oil cylinder 6 drives the belt conveyor 5 to move forward and backward, the driving roller 29 drives the belt 32 to move and unload the concrete onto the roadway floor, the seventh oil cylinder 12 pushes the paving mechanism 11 to move forward, the reduction box 42 provided with a driving device on the spiral feeding device 40 drives the feeding spiral body 41 to rotate, and the concrete on the roadway floor is evenly arranged within the width of the template 16. At this time, the thickness of the arranged concrete is higher than the thickness of the concrete before vibration, the thickness control plate 46 moves forward to push the extra-thick concrete forward, and controls the appropriate thickness of the concrete before vibration, and then the several vibrating rods 51 on the vibrating device 60 vibrate and compact the concrete, and the leveling drive device 55 provided with an active wheel on the leveling device 52 drives the vibration shaft 57 to rotate to vibrate the leveling plate 54, and vibrates and level the concrete surface.

[0050] When the concrete paver of this embodiment is working, there is no need to transport concrete by a trackless rubber-wheeled vehicle. Cement, coarse aggregate and fine aggregate can be transported to the mixing device 4 through the screw conveyor 1 and mixed with water. The mixed concrete is transported to the ground through the belt conveyor 5, and the spreading mechanism 11 spreads the concrete on the ground, vibrates it to make it dense and levels the surface.

[0051] In the present utility model, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh", "eighth", "ninth", "tenth", "eleventh", "twelfth", and "thirteenth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance; the term "several" refers to one or more than one, unless otherwise clearly defined. Terms such as "installation" and "connection" should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, an integral connection, or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0052] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by terms such as "up", "down", "left", "right", "front" and "back" are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, specific orientation structure and operation, and therefore, cannot be understood as a limitation on the present invention.

[0053] In the description of this specification, the description of the term "an embodiment" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0054] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various changes and variations. 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 concrete paver, comprising a crawler walking part (15), characterized in that The main body (14) is connected to the crawler walking part (15), the screw conveying device (1) is connected to the main body (14), the track frame part (7) is connected to the main body (14), the paving mechanism (11) is installed on the track frame part (7), the stirring device (4) is connected to the main body (14), and the belt conveyor (5) is installed on the main body (14).

2. The concrete paver according to claim 1, characterized in that: The screw conveying device (1) comprises a conveying shell (17), a conveying driving device (18) connected to the conveying shell (17), and a screw body (19) connected to the conveying driving device (18).

3. The concrete paver according to claim 1, characterized in that: The stirring device (4) comprises a stirring shell (20), a stirring driving device (21) connected to the stirring shell (20), a stirring arm (22) connected to the stirring driving device (21), a gate plate (23) connected to the stirring shell (20), and a first oil cylinder (24) connected to the stirring shell (20) and the gate plate (23).

4. The concrete paver according to claim 1, characterized in that: The paving mechanism (11) includes a frame body (56), a spiral material distribution device (40) is installed on the frame body (56), a ninth oil cylinder (43) is connected to the spiral material distribution device (40) and the frame body (56), a thickness control plate (46) is installed on the frame body (56), a tenth oil cylinder (45) is connected to the thickness control plate (46) and the frame body (56), a vibrating device (60) is installed on the frame body (56), an eleventh oil cylinder (47) is connected to the vibrating device (60) and the frame body (56), a leveling device (52) is installed on the frame body (56), and a twelfth oil cylinder (53) is connected to the leveling device (52) and the frame body (56).

5. The concrete paver according to claim 4, characterized in that: The spiral material distribution device (40) comprises a reduction box (42) provided with a driving device, a connecting plate (44) connected to the reduction box (42) provided with a driving device, and a material distribution spiral body (41) connected to the reduction box (42) provided with a driving device and the connecting plate (44).

6. The concrete paver according to claim 4, characterized in that: The vibrating device (60) comprises a lifting plate (49), a rotating shaft rod (50) is installed on the lifting plate (49), a vibrating rod (51) is connected to the rotating shaft rod (50), and a thirteenth oil cylinder (48) is connected to the rotating shaft rod (50) and the lifting plate (49).

7. The concrete paver according to claim 4, characterized in that: The leveling device (52) comprises a leveling plate (54), a vibration shaft (57) is mounted on the leveling plate (54), an eccentric block (58) and a driven wheel (59) are arranged on the vibration shaft (57), and a leveling drive device (55) provided with a driving wheel is connected to the leveling plate (54).

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