Foundation pit backfill soil flattening equipment

Abstract

The utility model discloses foundation pit backfill soil flattening equipment which comprises a vehicle frame, a crawler walking device is installed on the outer side of the lower end of the vehicle frame, a fixing disc is fixedly connected to the bottom end of a lead screw, a scraping plate is rotatably installed at the bottom end of the fixing disc, a grinding wheel assembly is installed on the inner side of a grinding wheel installation plate, and a grinding wheel is installed on the outer side of the grinding wheel assembly. A servo motor is started to enable a worm to drive a worm gear to rotate, the worm gear drives a lead screw to spirally ascend and descend, the lead screw drives a fixing disc to synchronously ascend and descend, a driving motor is started to drive a scraping plate to rotate, so that a soil layer in a foundation pit is leveled, clean water in a water tank is pumped by an additional water pump, and finally water mist is sprayed out of a mist spray head to cover dust; the rolling balls in the outer shell of the rolling wheel continuously move to be matched with the fixing blocks to generate vibration in the rolling process, the ground is slightly hammered while foundation pit filling soil is flattened, so that the foundation pit filling soil is compact, the working efficiency can be improved, and the backfilled soil is flat, compact and environmentally friendly.

Description

Technical Field

[0001] The utility model relates to the field of foundation pit backfilling tools, in particular to a foundation pit backfilling soil rolling device. Background Art

[0002] Backfilling is the process of filling the pit with materials after excavation in order to restore the ground, support the structure or meet other engineering needs. Backfill materials usually need to have a certain strength, stability and density to ensure that the filled pit is safe and stable and meets engineering requirements. Backfilling is an important part of construction engineering, and the compaction degree of backfill soil is required to be high.

[0003] The patent with publication number CN 218562287 U discloses a foundation pit backfill soil rolling device, which is mainly composed of: a mobile trolley, a roller, a lifting mechanism, a rolling mechanism and a scraping mechanism. The rollers are arranged at both ends of the mobile trolley, the lifting mechanism is arranged in the mobile trolley, the rolling mechanism is arranged at the bottom of the mobile trolley and connected with the lifting mechanism, and the scraping mechanism is arranged at the bottom of the mobile trolley; the foundation pit backfill soil rolling device of the utility model has a simple structure, and the scraping effect is improved by arranging a double scraping mechanism and the scraped debris is processed separately. The front end can be backfilled again if it falls, and the rear debris is collected and processed uniformly. The scraping mechanism position is adjustable, and the scraping head can be kept in close contact with the rolling roller before it is completely consumed, thereby improving the scraping effect, reducing the number of replacement times of the scraping head, reducing the workload, and effectively reducing the use cost.

[0004] The above-mentioned device fails to scrape and level the backfill soil, which may cause the backfill soil to be uneven after being leveled, resulting in a poor leveling effect. The above-mentioned device does not have a driving device, and due to insufficient weight and lack of a vibration mechanism during leveling, the backfill soil is not dense enough after being leveled.

[0005] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0006] In view of the problems in the related technology, the utility model proposes a foundation pit backfill soil rolling equipment to overcome the above technical problems existing in the existing related technology.

[0007] To this end, the specific technical solutions adopted by the utility model are as follows:

[0008] A foundation pit backfill soil leveling equipment comprises a frame, a crawler walking device is installed on the outer side of the lower end of the frame, the top of the frame is fixedly connected to a fixed shell, the inner side of the fixed shell is installed with a screw rod, the bottom end of the screw rod is fixedly connected to a fixed plate, the central inner side of the fixed plate is fixedly installed with a driving motor, the bottom end of the fixed plate is rotatably installed with a scraper plate, the top of the frame is fixedly connected to a servo motor, the main shaft end of the servo motor is fixedly connected to a worm, the outer side of the worm is meshed with a worm wheel, the rear end of the frame is fixedly installed with a rolling wheel mounting plate, the inner side of the rolling wheel mounting plate is installed with a rolling wheel assembly, the rolling wheel assembly comprises a plurality of rolling wheel outer shells, the inner side of the rolling wheel outer shells is fixedly connected with a fixed block, the inner side of the rolling wheel outer shell is provided with a ball, and the left and right sides of the ball are fixedly connected with partitions.

[0009] As a further solution of the utility model, the crawler walking device includes a crawler, a driving wheel is installed on the inner upper end of the crawler, a traveling wheel is installed on the inner lower end of the crawler, and brackets are installed on the outer sides of the driving wheel and the traveling wheel.

[0010] As a further solution of the utility model, the worm is rotationally connected to the fixed housing, and the worm wheel is rotationally connected to the fixed housing.

[0011] As a further solution of the utility model, the screw rod is spirally connected to the worm gear, and the screw rod passes through the frame.

[0012] As a further solution of the utility model, the output shaft of the driving motor is fixedly connected to the scraping plate, an annular groove is provided on the inner side of the lower end of the fixed plate, a pulley is rotatably installed on the top end of the scraping plate, and the pulley rolls with the inner wall of the annular groove of the fixed plate.

[0013] As a further solution of the utility model, a through hole is provided on the inner side of the outer shell of the roller, a positioning rod is installed on the inner side of the through hole, and fastening nuts are spirally connected at both ends of the positioning rod.

[0014] As a further solution of the utility model, a water tank is installed at the front end of the inner side of the frame, a booster water pump is fixedly installed on the inner side of the frame, and a mist nozzle is fixedly installed on the outer side of the frame.

[0015] The beneficial effects of the utility model are:

[0016] The utility model is provided with a frame, a crawler walking device, a screw rod, a worm, a worm wheel, a fixed plate, a scraper plate, a rolling wheel assembly, etc., and the device is driven to move forward by four groups of crawler walking devices. The servo motor is turned on to drive the worm to rotate, and the worm drives the worm wheel to rotate. The worm wheel rotates in the fixed shell, thereby driving the inner screw to spirally rise and fall, and the screw rod drives the fixed plate to rise and fall synchronously. The drive motor is turned on to drive the scraper plate to rotate, so that the soil layer in the foundation pit is leveled, and the clean water in the water tank is extracted by an additional water pump and finally sprayed from the mist nozzle to cover the dust. The frame drives the rolling wheel assembly to move, and the ball in the outer shell of the rolling wheel keeps moving to cooperate with the fixed block to generate vibration during rolling. While leveling the foundation pit fill, the ground is lightly hammered to make the foundation pit fill dense. The device can improve work efficiency and make the backfill soil level, dense and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of a foundation pit backfill soil rolling equipment according to an embodiment of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of a crawler walking device of a foundation pit backfill soil rolling equipment according to an embodiment of the utility model;

[0020] Figure 3 It is a schematic diagram of the installation structure of a screw rod of a foundation pit backfill soil rolling equipment according to an embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of a scraping plate of a foundation pit backfill soil rolling equipment according to an embodiment of the utility model;

[0022] Figure 5 The utility model is a schematic diagram of the internal partial structure of a rolling wheel of a foundation pit backfill soil leveling device according to an embodiment of the utility model.

[0023] In the figure:

[0024] 1. Frame; 2. Crawler walking device; 3. Fixed shell; 4. Screw; 5. Fixed plate; 6. Driving motor; 7. Scraping plate; 8. Servo motor; 9. Worm; 10. Worm wheel; 11. Roller mounting plate; 12. Roller assembly;

[0025] 201, crawler track; 202, driving wheel; 203, walking wheel; 204, bracket; 701, pulley;

[0026] 121. Roller outer shell; 122. Fixing block; 123. Ball; 124. Partition plate; 125. Through hole; 126. Positioning rod; 127. Fastening nut. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, a foundation pit backfill soil rolling device is provided.

[0029] Please refer to the instruction manual Figure 1-5 According to an embodiment of the utility model, a foundation pit backfill soil rolling equipment comprises a frame 1, a crawler walking device 2 is installed on the outer side of the lower end of the frame 1, a fixed shell 3 is fixedly connected to the top of the frame 1, a screw rod 4 is installed on the inner side of the fixed shell 3, a fixed plate 5 is fixedly connected to the bottom end of the screw rod 4, a driving motor 6 is fixedly installed on the central inner side of the fixed plate 5, a scraper plate 7 is rotatably installed on the bottom end of the fixed plate 5, a servo motor 8 is fixedly connected to the top of the frame 1, and the servo A worm 9 is fixedly connected to the end of the main shaft of the motor 8, and a worm wheel 10 is meshedly connected to the outer side of the worm 9. A roller mounting plate 11 is fixedly installed at the rear end of the frame 1, and a roller assembly 12 is installed on the inner side of the roller mounting plate 11. The roller assembly 12 includes a plurality of roller outer shells 121, and a fixing block 122 is fixedly connected to the inner side of the roller outer shell 121. A ball 123 is provided on the inner side of the roller outer shell 121, and a partition 124 is fixedly connected to the left and right sides of the ball 123.

[0030] When the present rolling device is in use, the device is driven by 4 sets of crawler walking devices 2, the driving wheel 202 drives the crawler 201 to move, the crawler 201 drives the walking wheel 203 to roll, the walking wheel 203 provides support, the servo motor 8 is turned on to drive the worm 9 to rotate, the worm 9 drives the worm wheel 10 to rotate, the worm wheel 10 rotates in the fixed shell 3, and then drives the inner screw 4 to spirally rise and fall, the screw 4 drives the fixed plate 5 to rise and fall synchronously, the driving motor 6 is turned on to drive the scraper plate 7 to rotate, so that the soil layer in the foundation pit is leveled, the clean water in the water tank is pumped by the additional water pump and finally sprayed from the mist nozzle to cover the dust, the frame 1 drives the rolling wheel assembly 12 to move, the ball 123 in the rolling wheel outer shell 121 keeps moving and cooperates with the fixed block 122 to generate vibration during rolling, and while rolling the foundation pit fill, it lightly hammers the ground to make the foundation pit fill dense.

[0031] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the crawler walking device 2 includes a crawler 201, a driving wheel 202 is installed at the inner upper end of the crawler 201, a walking wheel 203 is installed at the inner lower end of the crawler 201, and a bracket 204 is installed on the outer side of the driving wheel 202 and the walking wheel 203.

[0032] The driving shaft drives the driving wheel 202 to move, the driving wheel 202 drives the crawler track 201 to move, the crawler track 201 further drives the running wheel 203 to rotate, and the running wheel 203 cooperates with the bracket 204 to support the vehicle body.

[0033] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the utility model, the worm 9 is rotationally connected to the fixed housing 3, the worm wheel 10 is rotationally connected to the fixed housing 3, the screw rod 4 is spirally connected to the worm wheel 10, and the screw rod 4 passes through the frame 1.

[0034] The servo motor 8 drives the worm 9 to rotate, the worm 9 drives the worm wheel 10 to rotate, the worm wheel 10 rotates in the fixed housing 3, the worm wheel 10 drives the screw rod 4 therein to spirally rise and fall, and the screw rod 4 drives the fixed plate 5 to rise and fall.

[0035] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, the output shaft of the driving motor 6 is fixedly connected to the scraping plate 7, an annular groove is provided on the inner side of the lower end of the fixed plate 5, a pulley 701 is rotatably installed on the top of the scraping plate 7, and the pulley 701 rolls with the inner wall of the annular groove of the fixed plate 5.

[0036] The scraper plate 7 is driven by the driving motor 6 to rotate, and the pulley 701 moves in the annular groove of the fixed plate 5, which can improve the stability and strength of the scraper plate 7.

[0037] In another embodiment, please refer to the attached Figure 1-5 As a further solution of the present invention, a through hole 125 is provided on the inner side of the roller shell 121 , a positioning rod 126 is installed on the inner side of the through hole 125 , and fastening nuts 127 are spirally connected at both ends of the positioning rod 126 .

[0038] The plurality of roller housings 121 are connected in series by positioning rods 126 to form a whole, and fastening nuts are installed at both ends for fastening.

[0039] In one embodiment, please refer to the attached specification Figure 1-5 As a further solution of the utility model, a water tank is installed at the front end of the inner side of the frame 1, a booster water pump is fixedly installed on the inner side of the frame 1, and a mist nozzle is fixedly installed on the outer side of the frame 1.

[0040] Clean water in the water tank is drawn by a booster water pump and transported to the mist nozzle through a hose. The mist nozzle sprays water mist on both sides of the front and rear of the fixed plate 5 to cover the dust, making the construction more environmentally friendly.

[0041] When in use, this set of leveling device is used, the device is driven by 4 sets of crawler walking devices 2, the driving wheel 202 drives the crawler 201 to move, the crawler 201 drives the walking wheel 203 to roll, the walking wheel 203 provides support, the servo motor 8 is turned on to drive the worm 9 to rotate, the worm 9 drives the worm wheel 10 to rotate, the worm wheel 10 rotates in the fixed shell 3, and then drives the inner screw 4 to spirally lift and lower, the screw 4 drives the fixed plate 5 to rise and fall synchronously, the driving motor 6 is turned on to drive the scraper plate 7 to rotate, so that the soil layer in the foundation pit is leveled, the clean water in the water tank is pumped by the additional water pump and finally sprayed from the mist nozzle to cover the dust, the frame 1 drives the rolling wheel assembly 12 to move, the ball 123 in the rolling wheel outer shell 121 keeps moving and cooperates with the fixed block 122 to generate vibration during rolling, while leveling the foundation pit fill, lightly hammering the ground to make the foundation pit fill dense.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. 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 foundation pit backfill soil rolling equipment, comprising a frame (1), characterized in that: A crawler walking device (2) is installed on the outer side of the lower end of the frame (1); a fixed shell (3) is fixedly connected to the top of the frame (1); a screw (4) is installed on the inner side of the fixed shell (3); a fixed plate (5) is fixedly connected to the bottom end of the screw (4); a driving motor (6) is fixedly installed on the central inner side of the fixed plate (5); a scraper plate (7) is rotatably installed on the bottom end of the fixed plate (5); a servo motor (8) is fixedly connected to the top of the frame (1); a worm (9) is fixedly connected to the end of the main shaft of the servo motor (8); a worm wheel (10) is meshedly connected to the outer side of the worm (9); a roller mounting plate (11) is fixedly installed at the rear end of the frame (1); a roller assembly (12) is installed on the inner side of the roller mounting plate (11); The roller assembly (12) comprises a plurality of roller outer shells (121), the inner side of each roller outer shell (121) being fixedly connected to a fixing block (122), the inner side of each roller outer shell (121) being provided with a ball bearing (123), and the left and right sides of each ball bearing (123) being fixedly connected to a partition plate (124).

2. The foundation pit backfill soil rolling equipment according to claim 1 is characterized by: The crawler walking device (2) comprises a crawler (201), a driving wheel (202) is installed on the inner upper end of the crawler (201), a running wheel (203) is installed on the inner lower end of the crawler (201), and a bracket (204) is installed on the outer sides of the driving wheel (202) and the running wheel (203).

3. The foundation pit backfill soil rolling equipment according to claim 1 is characterized by: The worm (9) is rotationally connected to the fixed housing (3), and the worm wheel (10) is rotationally connected to the fixed housing (3).

4. The foundation pit backfill soil rolling equipment according to claim 1 is characterized by: The screw rod (4) is spirally connected to the worm wheel (10), and the screw rod (4) passes through the vehicle frame (1).

5. The foundation pit backfill soil rolling equipment according to claim 1 is characterized by: The output shaft of the driving motor (6) is fixedly connected to the scraping plate (7); an annular groove is provided on the inner side of the lower end of the fixed plate (5); a pulley (701) is rotatably mounted on the top end of the scraping plate (7); the pulley (701) rolls with the inner wall of the annular groove of the fixed plate (5).

6. The foundation pit backfill soil rolling equipment according to claim 1 is characterized by: A through hole (125) is provided on the inner side of the roller outer shell (121), a positioning rod (126) is installed on the inner side of the through hole (125), and fastening nuts (127) are spirally connected at both ends of the positioning rod (126).

7. The foundation pit backfill soil rolling equipment according to claim 1 is characterized by: A water tank is installed at the front end of the inner side of the frame (1), a booster water pump is fixedly installed on the inner side of the frame (1), and a mist nozzle is fixedly installed on the outer side of the frame (1).

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