Municipal road and bridge construction pit digging device

Abstract

The utility model discloses a pit digging device for municipal road and bridge construction, and relates to the technical field of municipal road and bridge construction. The pit digging device for municipal road and bridge construction comprises a machine box, the bottom of the machine box is open, soil discharging openings are formed in the front side and the rear side of the machine box, fixing shafts are fixedly installed on the outer walls of the front side and the rear side of the machine box, moving wheels A are rotationally installed on the outer walls of the fixing shafts, rotating shafts are rotationally installed on the front side and the rear side of the machine box, and two sets of moving wheels B are fixedly installed on the outer walls of the rotating shafts. According to the pit digging device for municipal road and bridge construction, through the soil digging structure, soil can be crushed, a drainage pit can be continuously dug in the ground, compared with a mode that a digging machine digs the drainage pit in a shoveling mode, the equipment can greatly shorten the digging time of the drainage pit and improve the digging efficiency of the drainage pit, so that the digging of the drainage pit becomes simpler, and through cooperative use of an electric telescopic rod, the construction efficiency is improved. According to the device, the earth cutting structure can be driven to deflect, the digging depth of the earth cutting structure on the drainage pit is adjusted, and the device is easy to operate and can be used without an excavator compared with an excavator.

Description

Technical Field

[0001] The utility model relates to the technical field of municipal road and bridge construction, in particular to a pit digging device for municipal road and bridge construction. Background Art

[0002] With global warming, the global climate has undergone major changes, and some areas will experience long-term rainfall and other phenomena. However, urban roads are paved with asphalt concrete, which makes the roads less absorbent. Therefore, a large number of drainage pits will be opened in urban areas to improve urban drainage performance.

[0003] Usually, urban drainage pits are dug by excavators. However, the excavators dig the soil one shovel at a time, which takes a long time and has low work efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a pit digging device for municipal road and bridge construction to solve the problems and defects raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a municipal road and bridge construction digging device, comprising a chassis, the bottom of the chassis is open, the front and rear sides of the chassis are provided with soil discharge ports, the front and rear outer walls of the chassis are fixedly installed with fixed shafts, the outer walls of the fixed shafts are rotatably installed with moving wheels A, the front and rear sides of the chassis are rotatably installed with rotating shafts, the outer walls of the rotating shafts are fixedly installed with two groups of moving wheels B, the two groups of moving wheels B are located at the front and rear sides of the chassis, and also include a digging structure installed on the chassis, which is used to open a drainage pit on the ground through the digging structure, a soil delivery structure arranged on one side of the digging structure, which is used to transport the excavated soil through the soil delivery structure, and two groups of electric telescopic rods respectively hingedly installed on the front and rear outer walls of the chassis, which are used to adjust the depth of the digging structure opened on the ground through the electric telescopic rods.

[0006] Preferably, the digging structure includes rollers, chain belts, crushing blades, servo motor B, connecting rods and guide rods. There are two groups of rollers, one group of which is rotatably installed on the front and rear inner walls of the chassis, the connecting rod is rotatably installed on the outer walls of the two groups of rollers, there are two groups of guide rods which are respectively fixedly installed on the front and rear sides of the connecting rods, the chain belts are sleeved on the outer walls of the two groups of rollers, the crushing blades are fixedly installed on the outer walls of the chain belts, the servo motor B is fixedly installed on the front outer wall of the chassis, and the output shaft of the servo motor B is fixedly installed on one end of one group of rollers, so that the soil can be crushed and drainage pits can be continuously dug on the ground. Compared with digging drainage pits by an excavator one shovel at a time, this equipment can greatly reduce the time and efficiency of digging drainage pits, making the digging of drainage pits easier.

[0007] Preferably, guide grooves are provided on the front and rear sides of the chassis, the rollers are slidably installed in the guide grooves, and the free ends of the electric telescopic rods are rotatably installed on the outer walls of the guide rods.

[0008] Preferably, the soil delivery structure includes transport rollers, a transport belt and a servo motor C. The transport rollers are rotatably mounted on an inner wall of one side of the chassis, the transport belts are sleeved on two groups of transport rollers, the servo motor C is fixedly mounted on an outer wall of one side of the chassis, and the output shaft of the servo motor C is fixedly mounted on one end of one group of transport rollers.

[0009] Preferably, a servo motor A is fixedly mounted on the inner wall of the other side of the chassis, a rotating rod is fixedly mounted on the output shaft of the servo motor A, a bevel gear A is fixedly mounted on one end of the rotating rod, a bevel gear B is fixedly mounted on the outer wall of the rotating shaft, and the bevel gear B is meshed with the bevel gear A to drive the device to move.

[0010] Preferably, a mud cover is fixedly installed on the inner wall of one side of the chassis, and the top of the mud cover is rotatably installed on the outer wall of the rotating rod, and the front and rear sides of the mud cover are rotatably installed on the outer wall of the rotating shaft. Bevel gear A and bevel gear B are located on the inner side of the mud cover to block the mud and prevent the mud from affecting the transmission between bevel gear A and bevel gear B.

[0011] Preferably, mud guards are fixedly mounted on the front and rear inner walls of the chassis, and the mud guards are in contact with one side of the conveyor belt to prevent mud from entering the inner side of the conveyor belt and affecting the use of the conveyor belt.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The municipal road and bridge construction digging device can crush the soil through the digging structure and continuously dig drainage pits on the ground. Compared with the excavator digging drainage pits one shovel at a time, this equipment can greatly reduce the time and efficiency of digging drainage pits, making drainage pit digging simpler. The digging structure can be driven to deflect and the digging depth of the drainage pit can be adjusted through the use of an electric telescopic rod. In addition, the device is easy to operate and can be used without an excavator license compared to an excavator. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the chassis of the utility model;

[0017] Figure 3 It is a top view of the connecting rod and the guide rod of the utility model.

[0018] Figure numerals: 1. chassis; 2. mudguard; 3. fixed shaft; 4. moving wheel A; 5. rotating shaft; 6. moving wheel B; 7. servo motor A; 8. rotating rod; 9. bevel gear A; 10. bevel gear B; 11. rotating roller; 12. chain plate belt; 13. crushing knife block; 14. servo motor B; 15. connecting rod; 16. guide rod; 17. electric telescopic rod; 18. transport roller; 19. transport belt; 20. servo motor C; 21. mud cover. DETAILED DESCRIPTION

[0019] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0020] See also Figure 1-3 The utility model provides a technical solution: a municipal road and bridge construction digging device, including a chassis 1, the bottom of the chassis 1 is open, the front and rear sides of the chassis 1 are provided with soil discharge ports, the front and rear outer walls of the chassis 1 are fixedly installed with fixed shafts 3, the outer wall of the fixed shaft 3 is rotatably installed with moving wheels A4, the front and rear sides of the chassis 1 are rotatably installed with rotating shafts 5, the outer wall of the rotating shaft 5 is fixedly installed with two groups of moving wheels B6, the two groups of moving wheels B6 are located at the front and rear sides of the chassis 1, and also includes a digging structure installed on the chassis 1, which is used to open a drainage pit on the ground through the digging structure, a soil delivery structure arranged on one side of the digging structure, which is used to transport the excavated soil through the soil delivery structure, and two groups of electric telescopic rods 17 respectively hingedly installed on the front and rear outer walls of the chassis 1, and the electric telescopic rods 17 are used to adjust the depth of the digging structure opened on the ground.

[0021] The excavation structure includes a roller 11, a chain plate belt 12, a crushing knife block 13, a servo motor B14, a connecting rod 15 and a guide rod 16. The roller 11 has two groups, one of which is rotatably installed on the front and rear inner walls of the chassis 1, and the connecting rod 15 is rotatably installed on the outer walls of the two groups of rollers 11. There are two groups of guide rods 16 that are fixedly installed on the front and rear sides of the connecting rod 15 respectively. The chain plate belt 12 is sleeved on the outer walls of the two groups of rollers 11, the crushing knife block 13 is fixedly installed on the outer wall of the chain plate belt 12, and the servo motor B14 is fixedly installed. On the front outer wall of the chassis 1, the output shaft of the servo motor B14 is fixedly installed with one end of one group of rollers 11. When the servo motor B14 is started, the output shaft of the servo motor B14 drives a group of rollers 11 to rotate. The rotation of the rollers 11 drives the chain belt 12 and the crushing knife block 13 to rotate, so that the soil can be crushed and drainage pits are continuously dug on the ground. Compared with the excavator digging drainage pits one shovel at a time, this equipment can greatly reduce the time and efficiency of digging drainage pits, making the digging of drainage pits easier.

[0022] Guide grooves are provided at the front and rear sides of the chassis 1 , and the rollers 11 are slidably installed in the guide grooves. The free ends of the electric telescopic rods 17 are rotatably installed on the outer walls of the guide rods 16 .

[0023] The soil delivery structure includes a transport roller 18, a transport belt 19 and a servo motor C20. The transport roller 18 is rotatably installed on an inner wall of one side of the chassis 1. The transport belt 19 is sleeved on two groups of transport rollers 18. The servo motor C20 is fixedly installed on an outer wall of one side of the chassis 1. The output shaft of the servo motor C20 is fixedly installed on one end of one group of transport rollers 18. The excavated soil will fall onto the top of the transport belt 19 due to the inertia of the chain belt 12 and the crushing knife block 13. By starting the servo motor C20, the output shaft of the servo motor C20 drives the transport roller 18 and the transport belt 19 to rotate, and the rotating transport belt 19 transports the soil to the front and rear sides of the chassis 1.

[0024] A servo motor A7 is fixedly installed on the inner wall of the other side of the chassis 1, and a rotating rod 8 is fixedly installed on the output shaft of the servo motor A7. A bevel gear A9 is fixedly installed on one end of the rotating rod 8. A bevel gear B10 is fixedly installed on the outer wall of the rotating shaft 5, and the bevel gear B10 is meshed with the bevel gear A9. When the servo motor A7 is started, the output shaft of the servo motor A7 drives the rotating rod 8 and the bevel gear A9 to rotate. The rotation of the bevel gear A9 drives the bevel gear B10, the rotating shaft 5, and the moving wheel B6 to rotate, so that the device moves.

[0025] A mud cover 21 is fixedly installed on the inner wall of one side of the chassis 1, and the top of the mud cover 21 is rotatably installed on the outer wall of the rotating rod 8, and the front and rear sides of the mud cover 21 are rotatably installed on the outer wall of the rotating shaft 5. The bevel gear A9 and the bevel gear B10 are located on the inner side of the mud cover 21, and are used to shield the mud to prevent the mud from affecting the transmission between the bevel gear A9 and the bevel gear B10.

[0026] Mud guards 2 are fixedly mounted on the front and rear inner walls of the chassis 1 , and the mud guards 2 are in contact with one side of the conveyor belt 19 to prevent mud from entering the inner side of the conveyor belt 19 and affecting the use of the conveyor belt 19 .

[0027] Working principle: By starting the servo motor B14, the output shaft of the servo motor B14 drives a group of rollers 11 to rotate, and the rotation of the rollers 11 drives the chain belt 12 and the crushing knife block 13 to rotate. By starting the electric telescopic rod 17, the free end of the electric telescopic rod 17 pushes the excavation structure, so that the chain belt 12 and the crushing knife block 13 of the excavation structure contact with the soil, so that the rotating chain belt 12 and the crushing knife block 13 are excavated. The excavated soil is 3 will fall on the top of the conveyor belt 19 by the inertia, and by starting the servo motor C20, the output shaft of the servo motor C20 drives the conveyor roller 18 and the conveyor belt 19 to rotate, and the rotating conveyor belt 19 transports the soil to the front and rear sides of the chassis 1, and by starting the servo motor A7, the output shaft of the servo motor A7 drives the rotating rod 8 and the bevel gear A9 to rotate, and the rotation of the bevel gear A9 drives the bevel gear B10, the rotating shaft 5, and the moving wheel B6 to rotate, so that the equipment moves and drives the excavation structure to dig a drainage pit.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A pit digging device for municipal road and bridge construction, comprising a chassis (1), the bottom of the chassis (1) is open, the front and rear sides of the chassis (1) are provided with soil discharge ports, the front and rear outer walls of the chassis (1) are fixedly mounted with fixed shafts (3), the outer wall of the fixed shaft (3) is rotatably mounted with moving wheels A (4), the front and rear sides of the chassis (1) are rotatably mounted with rotating shafts (5), the outer wall of the rotating shaft (5) is fixedly mounted with two groups of moving wheels B (6), the two groups of moving wheels B (6) are located at the front and rear sides of the chassis (1), and the characteristics are as follows: Also includes: An excavation structure installed on the chassis (1), used to open a drainage pit on the ground; A soil conveying structure is arranged on one side of the excavation structure, and is used to convey the excavated soil through the soil conveying structure; Two groups of electric telescopic rods (17) are respectively hingedly mounted on the front and rear outer walls of the chassis (1), and the electric telescopic rods (17) are used to adjust the depth of the excavation structure in the ground.

2. A pit digging device for municipal road and bridge construction according to claim 1, characterized in that: The excavation structure comprises rollers (11), chain belts (12), crushing blades (13), a servo motor B (14), connecting rods (15) and guide rods (16). The rollers (11) are provided in two groups, one of which is rotatably mounted on the front and rear inner walls of the chassis (1). The connecting rods (15) are rotatably mounted on the outer walls of the two groups of rollers (11). The guide rods (16) are provided in two groups, which are respectively fixedly mounted on the front and rear sides of the connecting rods (15). The chain belts (12) are sleeved on the outer walls of the two groups of rollers (11). The crushing blades (13) are fixedly mounted on the outer walls of the chain belts (12). The servo motor B (14) is fixedly mounted on the front outer wall of the chassis (1), and the output shaft of the servo motor B (14) is fixedly mounted on one end of one of the groups of rollers (11).

3. A pit digging device for municipal road and bridge construction according to claim 2, characterized in that: The front and rear sides of the chassis (1) are provided with guide grooves, the roller (11) is slidably installed in the guide grooves, and the free end of the electric telescopic rod (17) is rotatably installed on the outer wall of the guide rod (16).

4. A pit digging device for municipal road and bridge construction according to claim 3, characterized in that: The soil conveying structure comprises a transport roller (18), a transport belt (19) and a servo motor C (20); the transport roller (18) is rotatably mounted on an inner wall of one side of a chassis (1); the transport belt (19) is sleeved on two groups of transport rollers (18); the servo motor C (20) is fixedly mounted on an outer wall of one side of the chassis (1); and an output shaft of the servo motor C (20) is fixedly mounted on one end of one group of transport rollers (18).

5. A pit digging device for municipal road and bridge construction according to claim 4, characterized in that: A servo motor A (7) is fixedly mounted on the inner wall of the other side of the chassis (1); a rotating rod (8) is fixedly mounted on the output shaft of the servo motor A (7); a bevel gear A (9) is fixedly mounted on one end of the rotating rod (8); a bevel gear B (10) is fixedly mounted on the outer wall of the rotating shaft (5), and the bevel gear B (10) is meshed with the bevel gear A (9).

6. A pit digging device for municipal road and bridge construction according to claim 5, characterized in that: A mud cover (21) is fixedly mounted on the inner wall of one side of the chassis (1), and the top of the mud cover (21) is rotatably mounted on the outer wall of the rotating rod (8), and the front and rear sides of the mud cover (21) are rotatably mounted on the outer wall of the rotating shaft (5), and the bevel gear A (9) and the bevel gear B (10) are located on the inner side of the mud cover (21).

7. A pit digging device for municipal road and bridge construction according to claim 6, characterized in that: The front and rear inner walls of the chassis (1) are fixedly mounted with fenders (2), and the fenders (2) are in contact with one side of the conveyor belt (19).

Images