Automatic film covering device for bridge deck pavement

Abstract

The utility model provides an automatic film covering device for bridge deck pavement. The automatic film covering device comprises a main connecting frame, the positioning structure is fixed to the inner side wall of the bottom end of the main connecting frame, the positioning structure comprises transverse rods and a positioning frame, the transverse rods are fixed to the inner side wall of the bottom end of the main connecting frame, and the positioning frame is fixed to the surfaces of the two transverse rods; the moving structures are used for fixing the bottom surfaces of the two ends of the main armature frame; the film covering structure is fixed at one end of the bottom surface of the positioning frame; the cloth covering structure is fixed at the other end of the bottom surface of the positioning frame; the pressing structure is mounted on the bottom surface of the cross rod on the outer side; the manual noodle collecting platform is fixed at one end of the surface of the fixed cover; the automatic film covering device for bridge deck pavement has the advantages that the film covering efficiency can be improved, and gaps between films can be maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of road construction, in particular to an automatic film covering device for bridge deck paving. Background Technique

[0002] At present, with the rapid development of bridge engineering technology, expressways or first-class highways are basically composed of composite bridge decks. The requirements for the appearance quality of concrete paving on the composite bridge decks of expressways are also increasing day by day, especially the requirements for the flatness and crack control of concrete paving are more stringent; in the traditional process, after the concrete is poured, the concrete is generally cured by manual film covering. However, the efficiency of manual film covering is low and it takes a long time, and the bridge deck cannot be cured in time; in order to improve the film covering efficiency and ensure that the bridge deck paving can be cured in time, in the prior art, an automatic film covering machine or a manual-assisted film covering device is generally used for the curing film covering work of concrete.

[0003] After retrieval, the patent publication number CN 221052330 U discloses an operating trolley for manual film covering of bridge deck paving, which includes an operating system suspended above the paved bridge deck, a walking system arranged at both ends of the operating system to support the movement of the operating system, and a film covering system arranged on the operating system for paving the film; the walking width of the walking system is greater than the paving width of the bridge deck; the operating system includes an operating platform for the operator to walk on, and a bracket for installing the operating platform and the film covering system.

[0004] However, during the film covering process of the film covering machine or the manual-assisted film covering device, due to the relatively large film covering area, multiple groups of films will be laid at the same time. When the films are laid, there will be a certain gap between two adjacent films, which will cause the concrete at the gap to not be cured, thus affecting the quality of the concrete layer.

[0005] Therefore, it is necessary to provide a new automatic film covering device for bridge deck paving to solve the above technical problems. Content of the Utility Model

[0006] The technical problem solved by the utility model is to provide an automatic film covering device for bridge deck paving that can improve the film covering efficiency and can cure the gap between the films.

[0007] To solve the above technical problems, the automatic film covering device for bridge deck pavement provided by the utility model includes: a main truss; a positioning structure, the positioning structure is fixed on the inner side wall of the bottom end of the main truss, the positioning structure includes a cross bar and a positioning frame, the cross bar is fixed on the inner side wall of the bottom end of the main truss, and the positioning frame is fixed on the surfaces of the two cross bars; a moving structure, the moving structure is fixed on the bottom surfaces of both ends of the main truss, the moving structure includes a fixed cover, bottom wheels, drive wheels, a motor and a drive belt, the main truss is fixed on the surface of the fixed cover, the bottom wheels are rotatably connected to both ends inside the bottom end of the fixed cover, the motor is installed inside the main truss directly above the fixed cover, the drive wheels are respectively fixedly connected to one end of the bottom wheels and one end of the motor, and the drive belt is respectively connected to multiple groups of the drive wheels; a film covering structure, the film covering structure is fixed on one end of the bottom surface of the positioning frame, the film covering structure includes a first limiting rod, a first spring, a plastic film and a first baffle, the first limiting rod is fixed on one end of the bottom surface of the positioning frame, the first baffle is slidably connected to the bottom end of the first limiting rod, the spring is supported between the first baffle and the side wall of the bottom end of the first limiting rod, and the plastic film is arranged between the bottom ends of the two relatively installed first limiting rods; a cloth covering structure, the cloth covering structure is fixed on the other end of the bottom surface of the positioning frame, the cloth covering structure includes a second limiting rod, and the second limiting rod is fixed on the other end of the bottom surface of the positioning frame; a pressing structure, the pressing structure is installed on the bottom surface of the outer cross bar; an artificial finishing platform, the artificial finishing platform is fixed on one end of the surface of the fixed cover.

[0008] Preferably, the cloth covering structure further includes a second spring, a geotextile and a second baffle, the second baffle is slidably connected to the bottom end of the second limiting rod, the second spring is supported between the second baffle and the side wall of the bottom end of the second limiting rod, and the geotextile is arranged between the two relatively installed second limiting rods.

[0009] Preferably, the second limiting rod is horizontally rotatably connected to the positioning frame, and adjacent two groups of the second limiting rods are fixedly arranged in a staggered manner, and the second spring supports the geotextile between the two second limiting rods, and the edges between adjacent two groups of the geotextiles can overlap each other.

[0010] Preferably, the length of the first limiting rod is greater than the length of the second limiting rod, and the positions of the first limiting rod and the second limiting rod correspond to each other, and the size of the plastic film is equal to the size of the geotextile, and adjacent two groups of the first limiting rods are also in a staggered state.

[0011] Preferably, the pressing structure further includes a pressing roller, a mounting bracket, and a screw. The pressing roller is mounted on the bottom surface of the cross bar through the mounting bracket, and the screw penetrates through the top surface of the cross bar and is threadedly connected to the mounting bracket.

[0012] Preferably, the mounting bracket is in a hook shape, and the bottom end of the mounting bracket is rotatably connected to the pressing roller. The screw is rotatably connected to the cross bar, and the length of the pressing roller is slightly less than the length of the cross bar.

[0013] Preferably, the manual finishing platform is horizontally fixed between the surfaces of the two fixing covers and is flush with the bottom end of the main bracket.

[0014] Compared with the related art, the automatic film covering device for bridge deck paving provided by the present invention has the following beneficial effects:

[0015] The present invention provides an automatic film covering device for bridge deck paving. First, the length of the main bracket can span the freshly poured concrete surface, so that the device can move along the concrete surface under the drive of the moving structure. By installing the plastic film at the bottom end of the film covering structure installed on the bottom surface of the positioning structure and installing the geotextile at the bottom end of the cloth covering structure, then by pulling out one end of the plastic film and laying it on the concrete surface, covering the geotextile on the surface of the plastic film, and lowering the pressing structure to squeeze and position the laid plastic film. Under the erection of the alternately fixed film covering structures, the edges between two adjacent plastic films overlap with each other, and there is no gap between the two plastic films. Then, when the device moves forward, the pressing structure can squeeze the plastic film so that it will not slide on the concrete surface as the device moves, making the plastic film closely adhere to the surface of the concrete. Moreover, when the device moves forward, construction workers can level the concrete surface on the manual finishing platform, making the laid plastic film more flat. This device has the advantages of improving the film covering efficiency and being able to maintain the gaps between the films. Description of the Drawings

[0016] Figure 1 It is a schematic structural diagram of a preferred embodiment of the automatic film covering device for bridge deck paving provided by the present invention;

[0017] Figure 2 It is Figure 1 The schematic structural diagram of the overall side view shown;

[0018] Figure 3 It is Figure 2 The schematic structural diagram of the three-dimensional display of one end of the positioning structure shown;

[0019] Figure 4 is Figure 3 a schematic structural diagram of a top-down cross-section of the middle section of the position frame shown;

[0020] Figure 5 is Figure 2 a schematic structural diagram of a partial cross-section of the pressing structure shown.

[0021] Reference numerals in the figure: 1, main bracket; 2, positioning structure; 21, cross bar; 22, positioning frame; 3, moving structure; 31, fixed cover; 32, bottom wheel; 33, driving wheel; 34, motor; 35, transmission belt; 4, film covering structure; 41, first limiting rod; 42, first spring; 43, plastic film; 44, first baffle; 5, cloth covering structure; 51, second limiting rod; 52, second spring; 53, geotextile; 54, second baffle; 6, pressing structure; 61, pressing roller; 62, mounting frame; 63, screw; 7, manual finishing platform. Specific embodiments

[0022] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0023] Please refer to Figures 1 to 5 , Figure 1 which is a schematic structural diagram of a preferred embodiment of the automatic film covering device for bridge deck paving provided by the present invention; Figure 2 is Figure 1 a schematic structural diagram of the overall side view shown; Figure 3 is Figure 2 a schematic structural diagram of a three-dimensional display of one end of the positioning structure shown; Figure 4 is Figure 3 a schematic structural diagram of a top-down cross-section of the middle section of the position frame shown; Figure 5 is Figure 2Schematic diagram of the partial section of the shown pressing structure; wherein the automatic film covering device for bridge deck paving includes: a main truss 1; a positioning structure 2, the positioning structure 2 is fixed to the inner side wall of the bottom end of the main truss 1, the positioning structure 2 includes a cross bar 21 and a positioning frame 22, the cross bar 21 is fixed to the inner side wall of the bottom end of the main truss 1, and the positioning frame 22 is fixed to the surfaces of the two cross bars 21; a moving structure 3, the moving structure 3 is fixed to the bottom surfaces of both ends of the main truss 1, the moving structure 3 includes a fixed cover 31, bottom wheels 32, driving wheels 33, a motor 34 and a transmission belt 35, the main truss 1 is fixed to the surface of the fixed cover 31, the bottom wheels 32 are rotatably connected to both ends inside the bottom end of the fixed cover 31, the motor 34 is installed inside the main truss 1 directly above the fixed cover 31, the driving wheels 33 are respectively fixedly connected to one end of the bottom wheels 32 and one end of the motor 34, and the transmission belt 35 is respectively connected to multiple groups of the driving wheels 33; a film covering structure 4, the film covering structure 4 is fixed to one end of the bottom surface of the positioning frame 22, the film covering structure 4 includes a first limiting rod 41, a first spring 42, a plastic film 43 and a first baffle 44, the first limiting rod 41 is fixed to one end of the bottom surface of the positioning frame 22, the first baffle 44 is slidably connected to the bottom end of the first limiting rod 41, the spring is supported between the first baffle 44 and the side wall of the bottom end of the first limiting rod 41, and the plastic film 43 is arranged between the bottom ends of the two relatively installed first limiting rods 41; a cloth covering structure 5, the cloth covering structure 5 is fixed to the other end of the bottom surface of the positioning frame 22, the cloth covering structure 5 includes a second limiting rod 51, and the second limiting rod 51 is fixed to the other end of the bottom surface of the positioning frame 22; a pressing structure 6, the pressing structure 6 is installed on the bottom surface of the outer cross bar 21; an artificial finishing platform 7, the artificial finishing platform 7 is fixed to one end of the surface of the fixed cover 31.

[0024] In the specific implementation process, such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the covering structure 5 further includes a second spring 52, a geotextile 53, and a second baffle 54. The second baffle 54 is slidably connected to the bottom end of the second limiting rod 51. The second spring 52 is supported between the second baffle 54 and the side wall of the bottom end of the second limiting rod 51. The geotextile 53 is erected between two relatively installed second limiting rods 51. The second limiting rod 51 is horizontally rotatably connected to the positioning frame 22, and adjacent groups of the second limiting rods 51 are fixedly arranged in a staggered manner. The second spring 52 supports the geotextile 53 between the two second limiting rods 51, and the edges between adjacent groups of the geotextiles 53 can overlap each other. The length of the first limiting rod 41 is greater than the length of the second limiting rod 51, and the positions of the first limiting rod 41 and the second limiting rod 51 correspond to each other. The size of the plastic film 43 is equal to the size of the geotextile 53, and adjacent groups of the first limiting rods 41 are also in a staggered state.

[0025] It is convenient to enable the geotextile 53 to be laid synchronously with the plastic film 43, so that the geotextile 53 can cover the surface of the plastic film 43.

[0026] In the specific implementation process, such as Figure 2 , Figure 3 , Figure 5 As shown, the pressing structure 6 further includes a pressing roller 61, a mounting frame 62, and a screw rod. The pressing roller 61 is installed on the bottom surface of the cross bar 21 through the mounting frame 62. The screw rod penetrates the top surface of the cross bar 21 and is threadedly connected to the mounting frame 62. The shape of the mounting frame 62 is hook-shaped, and the bottom end of the mounting frame 62 is rotatably connected to the pressing roller 61. The screw rod is rotatably connected to the cross bar 21, and the length of the pressing roller 61 is slightly less than the length of the cross bar 21.

[0027] It is convenient to enable the plastic film 43 and the geotextile 53 to be extruded onto the surface of the concrete during laying, so that the plastic film 43 can closely adhere to the surface of the concrete during the laying process.

[0028] In the specific implementation process, such as Figure 1 As shown, the manual finishing platform 7 is horizontally fixed between the surfaces of two groups of fixed covers 31, and the manual finishing platform 7 is flush with the bottom end of the main bracket 1.

[0029] It is convenient to enable the staff to finish and level the surface of the concrete layer on which the plastic film 43 is about to be laid through the manual finishing platform 7.

[0030] The working principle of the automatic film covering device for bridge deck paving provided by the present invention is as follows:

[0031] After the construction of the concrete on the bridge deck pavement is completed by using a three-roller method, the automatic film covering device for the bridge deck pavement is used for maintenance construction. First, the device is placed horizontally so that it can span the paved concrete. The finishing workers use a squeegee to level the concrete surface on the artificial finishing platform 7. Then, the motor 34 is connected to an external power source, and the worker uses a remote control to control the motor 34 to drive the roller to rotate through the cooperation of the transmission belt 35 and the transmission wheel 33, so that the whole device moves forward. At the same time, the worker installs the plastic film 43 on the first limiting rod 41 and installs the geotextile 53 on the second limiting rod 51, so that the first spring 42 supports the plastic film 43 at the center between the two first limiting rods 41, and the second spring 52 supports the geotextile 53 at the center between the two second limiting rods 51. Then, a part of the plastic film 43 is pulled out and covered on the concrete surface, and the geotextile 53 is covered, so that the plastic film 43 adheres to the concrete surface. Then, by rotating the screw rod 63, the mounting frame 62 is driven to move downward, so that the pressing roller 61 presses on the just-laid geotextile 53, and the pressing roller 61 restricts one end of the geotextile 53 and one end of the plastic film 43. When the device moves forward, the pressing roller 61 can press it on the surface of the concrete, so that the plastic film 43 can closely adhere to the surface of the concrete during the laying process. This device has the advantages of being able to improve the film covering efficiency and being able to maintain the gaps between the films.

[0032] Compared with the related technology, the automatic film covering device for the bridge deck pavement provided by the present utility model has the following beneficial effects:

[0033] The utility model provides an automatic film covering device for bridge deck pavement. First, the length of the main truss 1 can span the freshly poured concrete surface, enabling the device to move along the concrete surface under the drive of the moving structure 3. By installing the plastic film 43 at the bottom end of the film covering structure 4 installed on the bottom surface of the positioning structure 2 and installing the geotextile 53 at the bottom end of the cloth covering structure 5, then by pulling out one end of the plastic film 43 and laying it on the concrete surface, and then covering the geotextile 53 on the surface of the plastic film 43, putting down the pressing structure 6 to extrude and position the laid plastic film 43. Under the erection of the alternately fixed film covering structure 4, the edges between two adjacent groups of the plastic films 43 overlap each other, and there is no gap between the two groups of the plastic films 43. Then when the device moves forward, the pressing structure 6 can extrude the plastic film 43 so that it will not slide on the concrete surface as the device moves, enabling the plastic film 43 to closely adhere to the surface of the concrete. Moreover, when the device moves forward, construction workers can level the concrete surface on the manual finishing platform 7, thereby making the plastic film 43 laid more smoothly. This device has the advantages of being able to improve the film covering efficiency and maintain the gaps between the films.

[0034] The above are only the embodiments of the present utility model, and thus do not limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present utility model, or directly or indirectly applied in other related technical fields, shall similarly be included in the patent protection scope of the present utility model.

Claims

1. An automatic film covering device for bridge deck pavement, characterized in that: include; Main mount (1); A positioning structure (2), the positioning structure (2) being fixed to the inner side wall of the bottom end of the main frame (1), the positioning structure (2) comprising a cross bar (21) and a positioning frame (22), the cross bar (21) being fixed to the inner side wall of the bottom end of the main frame (1), and the positioning frame (22) being fixed to the surfaces of the two cross bars (21); A moving structure (3), wherein the moving structure (3) is fixed to the bottom surface of both ends of the main frame (1), the moving structure (3) comprises a fixed cover (31), a bottom wheel (32), a transmission wheel (33), a motor (34) and a transmission belt (35), the main frame (1) is fixed to the surface of the fixed cover (31), the bottom wheel (32) is rotatably connected to both ends inside the bottom end of the fixed cover (31), the motor (34) is installed inside the main frame (1) directly above the fixed cover (31), the transmission wheel (33) is respectively fixedly connected to one end of the bottom wheel (32) and one end of the motor (34), and the transmission belt (35) is respectively connected to a plurality of groups of the transmission wheels (33); A coating structure (4), wherein the coating structure (4) is fixed to one end of the bottom surface of the positioning frame (22), and the coating structure (4) comprises a first limiting rod (41), a first spring (42), a plastic film (43) and a first baffle (44), wherein the first limiting rod (41) is fixed to one end of the bottom surface of the positioning frame (22), the first baffle (44) is slidably connected to the bottom end of the first limiting rod (41), the spring is supported between the first baffle (44) and the side wall of the bottom end of the first limiting rod (41), and the plastic film (43) is mounted between the bottom ends of two oppositely mounted first limiting rods (41); a cloth covering structure (5), the cloth covering structure (5) being fixed to the other end of the bottom surface of the positioning frame (22), the cloth covering structure (5) comprising a second limiting rod (51), the second limiting rod (51) being fixed to the other end of the bottom surface of the positioning frame (22); A clamping structure (6), the clamping structure (6) being mounted on the bottom surface of the outer cross bar (21); An artificial dough-collecting platform (7), wherein the artificial dough-collecting platform (7) is fixed to one end of the surface of the fixed cover (31).

2. The automatic film coating device for bridge deck pavement according to claim 1 is characterized in that: The covering structure (5) further comprises a second spring (52), a geotextile (53) and a second baffle (54); the second baffle (54) is slidably connected to the bottom end of the second limiting rod (51); the second spring (52) is supported between the second baffle (54) and the side wall of the bottom end of the second limiting rod (51); and the geotextile (53) is mounted between two second limiting rods (51) installed opposite to each other.

3. The automatic film coating device for bridge deck pavement according to claim 2 is characterized in that: The second limiting rods (51) are connected to the positioning frame (22) in a transverse rotational manner, and two adjacent groups of the second limiting rods (51) are fixed in a staggered manner, and the second spring (52) supports the geotextile (53) between the two second limiting rods (51), and the edges of the two adjacent groups of the geotextile (53) can overlap each other.

4. The automatic film coating device for bridge deck pavement according to claim 2 is characterized in that: The length of the first limiting rod (41) is greater than the length of the second limiting rod (51), and the positions of the first limiting rod (41) and the second limiting rod (51) correspond to each other, and the size of the plastic film (43) is equal to the size of the geotextile (53), and two adjacent groups of the first limiting rods (41) are also in a staggered state.

5. The automatic film coating device for bridge deck pavement according to claim 1 is characterized in that: The clamping structure (6) further comprises a clamping roller (61), a mounting frame (62) and a screw rod; the clamping roller (61) is mounted on the bottom surface of the cross bar (21) via the mounting frame (62); and the screw rod penetrates the top surface of the cross bar (21) and is threadedly connected to the mounting frame (62).

6. The automatic film coating device for bridge deck pavement according to claim 5 is characterized in that: The mounting frame (62) is hook-shaped, and the bottom end of the mounting frame (62) is rotationally connected to the pressure roller (61), and the screw rod is rotationally connected to the cross bar (21), and the length of the pressure roller (61) is slightly smaller than the length of the cross bar (21).

7. The automatic film coating device for bridge deck pavement according to claim 1 is characterized in that: The artificial dough-collecting platform (7) is fixed in a horizontal state between the surfaces of the two sets of fixed covers (31), and the artificial dough-collecting platform (7) is flush with the bottom end of the main bracket (1).

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