A new concrete placing machine for bridge deck concrete laying

Abstract

The present invention discloses a new type of concrete placing machine for bridge deck concrete laying, which is characterized by comprising protective walls arranged on both sides of the floor, and an I-shaped guide rail is arranged on the upper end surface of the protective wall; a trolley with rollers is arranged on the guide rail; a material cavity is arranged on the inner side of the protective wall; an auger is arranged in the material cavity, and the two ends of the auger pass through the two side plates a respectively and are provided with bearings with diamond seats, and the auger is connected to the motor shaft by arranging chains on the driving sprocket and the driven sprocket; a slide rail is arranged above the material cavity, and a drop hopper with walking wheels is arranged on the slide rail; a vibrator is arranged on the outside of the side plate b; and a flattening template is arranged at the bottom of the material cavity. The present invention has a compact structure, good stability, integrates material placing, compaction and leveling, is simple to operate, greatly reduces the labor intensity of workers, saves time, improves work efficiency, and ensures construction quality.

Description

Technical Field

[0001] The invention relates to the field of concrete placing machines, and in particular to a new concrete placing machine for laying bridge deck concrete. Background Art

[0002] In recent years, highways have been rapidly extended to mountainous areas with complex terrain and geological conditions, and the proportion of bridges in the total length of the route has become increasingly larger. At the same time, traffic volume and overloaded vehicles have continued to increase, and climatic conditions are very bad. Therefore, cement concrete bridge deck pavement, which directly bears wheel loads, faces severe tests; the requirements for concrete paving equipment are also getting higher and higher; traditional concrete placing machines have uneven distribution of materials at the edges and insufficient compaction, which directly affects the construction quality and reduces the service life of the bridge deck; therefore, it is particularly important to design a new type of concrete placing machine; it is of great significance to improve the quality of concrete bridge deck pavement and extend the service life of bridge structures. Summary of the invention

[0003] The purpose of the present invention is to provide a new type of concrete placing machine for laying bridge deck concrete; the machine has compact structure, good stability, convenient operation and improved work efficiency; and the above technical problems are solved.

[0004] In order to achieve the above technical objectives and meet the above technical requirements, the technical solution adopted by the present invention is: a new type of concrete placing machine for laying bridge deck concrete, characterized in that: it includes protective walls arranged on both sides of the floor, and the upper end faces of the protective walls are provided with I-shaped guide rails; a trolley with rollers is provided on the guide rails; a trolley driving mechanism is provided on the trolley; a material cavity is provided on the inner side of the protective wall; the material cavity includes side panels a arranged on the inner sides of the two protective walls, and side panels b are provided between the two side panels a, and the side panels b and the side panels a surround a rectangle that is connected up and down; the side panels b Platforms are provided on both sides of the upper end, and trusses are provided on the outer side of the side plate b; an auger is provided in the material cavity, and both ends of the auger pass through the two side plates a respectively and are provided with bearings with diamond seats, wherein a driving sprocket is provided on the outer side of the bearing at the left end of the auger, and a driven sprocket is provided at the front end of the motor shaft fixed on the side plate b, and the auger is connected to the motor shaft by arranging chains on the driving sprocket and the driven sprocket; a slide rail is provided above the material cavity, and a drop hopper with a walking wheel is provided on the slide rail; a vibrator is provided on the outside of the side plate b; a flattening template is provided at the bottom of the material cavity.

[0005] Preferably, the vibrators are arranged in four numbers and are symmetrically arranged on both sides of the side plate b.

[0006] Preferably: the trolley is provided with an oil cylinder, which is connected to the hydraulic system through a pipeline; the manual operating lever of the oil cylinder is arranged on the outside of the side plate b; the oil cylinder is connected with a fixing seat, which is connected to the side plate a through a connecting bracket; an electric control box is arranged on the back of the fixing seat.

[0007] Preferably: the flattening template is connected and fixed to the side plate a and the side plate b; the flattening template is symmetrically arranged on both sides of the auger, and a blanking trough is arranged between the two flattening templates.

[0008] Preferably, the flattening template comprises a middle horizontal pressing plate and inclined scrapers on both sides, and the inclined scrapers are connected to the side plates b through connecting plates on both sides of the flattening template to form a triangle.

[0009] Preferably: the truss includes a support column a arranged on the outside of the side panel b, a support column b perpendicular to the platform, a support column c connecting the upper end of each support column a with the lower end of each support column b, and a support column d connecting the lower end of the support column a with the lower end of the support column b; the support columns a, c and d are connected end to end to form a triangle.

[0010] Beneficial effects of the present invention: A concrete placing machine for laying bridge deck, compared with the traditional structure: a slide rail is arranged above the material cavity, and a drop hopper with walking wheels is arranged on the slide rail to speed up the laying of concrete; an auger is arranged in the material cavity, and the auger is controlled by a motor; the concrete distribution of the entire bridge deck is more uniform; material accumulation is effectively avoided, and laying time is saved; a vibrator is arranged on the outside of the side plate b, and the vibrator is symmetrically arranged, and vibrates and compacts while laying; a flattening template is arranged at the bottom of the material cavity, and the function of the horizontal pressing plate is to flatten while vibrating and compacting; the inclined scrapers on both sides scrape off excess concrete material; the remaining material is pushed to the bridge deck to be constructed as the trolley moves, avoiding the waste of concrete and reducing the time for separate processing of residual concrete; the present invention has a compact structure and good stability, integrates material placing, compacting and leveling, is simple to operate, greatly reduces the labor intensity of workers, saves time, improves work efficiency, ensures construction quality, and extends the service life of the bridge deck. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is an axonometric diagram of the present invention;

[0012] Figure 2 For the present invention Figure 1 Main view;

[0013] Figure 3 For the present invention Figure 1 Left view of

[0014] Figure 4 For the present invention Figure 1 A top view of

[0015] Figure 5 This is a schematic diagram of the connection between the left end of the auger and the motor;

[0016] Figure 6 This is a schematic diagram of the structure of the right end of the auger;

[0017] Figure 7 It is a partial axonometric view of the present invention;

[0018] Figure 8 for Figure 2 Middle AA section view;

[0019] In the figure: 1. protective wall; 2. guide rail; 3. trolley; 4. material chamber; 5. side panel a; 6. side panel b; 7. platform; 8. truss; 8-1. support column a; 8-2. support column b; 8-3. support column c; 8-4. support column d; 9. auger; 10. bearing; 11. driving sprocket; 12. driven sprocket; 13. chain; 14. slide rail; 15. drop hopper; 16. vibrator; 17. flattening template; 17-1. horizontal pressure plate, 17-2. inclined scraper; 17-3. connecting plate; 18. oil cylinder; 19. fixed seat; 20. connecting bracket; 21. motor; 22. trolley drive mechanism; 23. hydraulic system; 24. electric control box; 25. manual joystick. DETAILED DESCRIPTION

[0020] In order to make the invention objectives, technical solutions and beneficial technical effects of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods;

[0021] In the attached drawings: a new type of concrete placing machine for laying bridge deck concrete, characterized in that: it includes a protective wall 1 arranged on both sides of the floor, and the upper end surface of the protective wall 1 is provided with an I-shaped guide rail 2; a trolley 3 with rollers is provided on the guide rail 2; the trolley is provided with a trolley driving mechanism 22; a material chamber 4 is provided on the inner side of the protective wall 1; the material chamber 4 includes a side plate a5 arranged on the inner side of the two protective walls 1, a side plate b6 is provided between the two side plates a5, and the side plate b6 and the side plate a5 surround a rectangle that is connected up and down; the upper ends of the side plates b6 are provided with platforms 7 on both sides, and the outer side of the side plates b6 is provided with a truss 8; An auger 9 is arranged in the material chamber 4, and both ends of the auger 9 pass through the two side plates a5 respectively and are provided with bearings 10 with diamond seats, wherein a driving sprocket 11 is arranged on the outer side of the bearing at the left end of the auger 9, and a driven sprocket 12 is arranged at the front end of the main shaft of the motor fixed on the side plate b6, and the auger 9 is connected to the main shaft of the motor by arranging a chain 13 on the driving sprocket 11 and the driven sprocket 12; a slide rail 14 is arranged above the material chamber 4, and a drop hopper 15 with a walking wheel is arranged on the slide rail 14; a vibrator 16 is arranged on the outside of the side plate b6; a flattening template 17 is arranged at the bottom of the material chamber 4.

[0022] The vibrators 16 are arranged in four numbers and are symmetrically arranged on both sides of the side plate b6; the trolley 3 is provided with a cylinder 18, which is connected to the hydraulic system through a pipeline; the manual joystick 25 of the cylinder is arranged on the outside of the side plate b6; the cylinder 18 is connected with a fixing seat 19, which is connected to the side plate a5 through a connecting bracket 20; an electric control box 24 is arranged on the back of the fixing seat; the flattening template 17 is connected and fixed to the side plate a5 and the side plate b6; the flattening template 17 is symmetrically arranged on both sides of the auger 9, and a blanking trough is arranged between the two flattening templates 17; the flattening template 17 includes The middle horizontal pressure plate 17-1 and the inclined scrapers 17-2 on both sides, the inclined scrapers 17-2 are connected to the side plates b6 through the connecting plates 17-3 on both sides of the flattening template to form a triangle; the truss 8 includes a support column a8-1 arranged on the outside of the side plate b6, a support column b8-2 perpendicular to the platform, a support column c8-3 connecting the upper end of each support column a8-1 with the lower end of each support column b8-2, and a support column d8-4 connecting the lower end of the support column a8-1 with the lower end of the support column b8-2; the support columns a8-1, c8-3 and d8-4 are connected end to end to form a triangle.

[0023] Specific implementation of the present invention: a speed regulating motor is installed at the bottom of the hopper, and the speed regulating motor controls the running speed of the hopper. The material distribution machine is turned on, and the hopper distributes materials at a speed of 0.5m / s. The auger rotates under the action of the motor to transmit the concrete along the axial direction of the auger, so that the material distribution is more uniform and concrete accumulation is effectively prevented; the height of the flattening template from the floor is adjusted by the oil cylinder; when the concrete falls on the floor, the horizontal pressing plate of the flattening device vibrates and compacts at the same time; the inclined scrapers on both sides scrape off the excess concrete material; during the whole working process, the trolley drives the whole material cavity to run along the guide rail direction, and the hopper runs along the slide rail direction; after a section of bridge deck construction is completed, the oil cylinder is adjusted by a manual joystick to lift the flattening template to a certain height, which is convenient for washing and maintenance of the flattening template; the material distribution machine of the present invention has a compact structure and good stability, integrates material distribution, compaction and leveling, is easy to operate, greatly reduces the labor intensity of workers, saves time, improves work efficiency, and ensures construction quality.

[0024] The above embodiments are merely descriptions for the purpose of clearly illustrating the present invention, and are not limitations on the implementation methods. For those skilled in the art, other different forms of changes or modifications may be made based on the above descriptions. It is not necessary and impossible to enumerate all the implementation methods here, and the obvious changes or modifications derived therefrom are still within the scope of protection of the present invention.

Claims

1. A new concrete placing boom for bridge deck concrete laying, characterized by: The invention comprises a protective wall (1) arranged on both sides of a floor, wherein an I-shaped guide rail (2) is arranged on the upper end surface of the protective wall (1); a trolley (3) with rollers is arranged on the guide rail (2), and a trolley driving mechanism (22) is arranged on the trolley; a material chamber (4) is arranged on the inner side of the protective wall (1); the material chamber (4) comprises a side plate a (5) arranged on the inner side of the two protective walls (1), a side plate b (6) is arranged between the two side plates a (5), and the side plates b (6) and the side plates a (5) are connected to each other in a rectangular shape; platforms (7) are arranged on both sides of the upper end of the side plates b (6), and a truss (8) is arranged on the outer side of the side plates b (6); an auger (9) is arranged in the material chamber (4), and the two ends of the auger (9) respectively pass through the two side plates a (5) and are provided with bearings (10) with diamond seats, wherein the auger (9) is provided with a plurality of bearings (10) having a plurality of bearings (10) and ... A driving sprocket (11) is arranged on the outer side of the bearing at the left end of the middle auger (9), and a driven sprocket (12) is arranged on the front end of the main shaft of the motor fixed on the side plate b (6). The auger (9) is connected to the main shaft of the motor (21) by arranging a chain (13) on the driving sprocket (11) and the driven sprocket (12); a slide rail (14) is arranged above the material chamber (4), and a drop hopper (15) with a running wheel is arranged on the slide rail (14); a vibrator (16) is arranged on the outside of the side plate b (6); a flattening template (17) is arranged at the bottom of the material chamber (4); the flattening template (17) is connected and fixed to the side plate a (5) and the side plate b (6); the flattening template (17) is symmetrically arranged on both sides of the auger (9), and a drop trough is arranged between the two flattening templates (17); The flattening template (17) comprises a middle horizontal pressing plate (17-1) and inclined scrapers (17-2) on both sides, wherein the inclined scrapers (17-2) are connected to the side plates b (6) via connecting plates (17-3) on both sides of the flattening template to form a triangle; The truss (8) comprises a support column a (8-1) arranged outside the side plate b (6), a support column b (8-2) perpendicular to the platform, a support column c (8-3) connecting the upper end of each support column a (8-1) with the lower end of each support column b (8-2), and a support column d (8-4) connecting the lower end of the support column a (8-1) with the lower end of the support column b (8-2); the support column a (8-1), the support column c (8-3), and the support column d (8-4) are connected end to end to form a triangle.

2. The novel concrete placing boom for bridge deck concrete laying according to claim 1 is characterized by: The vibrators (16) are arranged in four numbers and are symmetrically arranged on both sides of the side plate b (6).

3. The new concrete placing boom for laying bridge deck concrete according to claim 1 is characterized by: The trolley (3) is provided with an oil cylinder (18), which is connected to a hydraulic system (23) via a pipeline; a manual operating lever of the oil cylinder is arranged on the outside of the side plate b (6); a fixing seat (19) is connected to the oil cylinder (18), and the fixing seat (19) is connected to the side plate a (5) via a connecting bracket (20); an electric control box (24) is arranged on the back of the fixing seat.

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