Self-compacting backfilling device for pipeline

Abstract

The utility model relates to a pipeline self-compacting backfilling device, and belongs to the field of groove backfilling. Comprising a stirring unit, a motor and a discharging unit are arranged on the stirring unit, and a filtering unit is arranged on the discharging unit; the beating unit is connected with the motor through the transmission unit, the motor drives the stirring unit to stir the materials, meanwhile, one end of the beating unit is driven to rotate through the transmission unit, and the other end of the beating unit repeatedly beats the vibrating and filtering unit along with rotation, so that the particle size of the backfill materials falling into the groove is uniform; the overall compactness of the backfill layer is improved, and the filter unit is not easy to block. The discharging unit comprises a discharging pipe arranged behind the filtering unit, the filtering unit comprises a filtering net and a rotating plate, and when large blocks staying on the filtering net reach a certain amount, the rotating plate rotates, so that the large blocks are discharged from the discharging pipe, the filtering net is not prone to being blocked, and the filtering and backfilling process is smooth.

Description

Technical Field

[0001] The utility model belongs to the field of trench backfilling and relates to a pipeline self-compacting backfilling device. Background Art

[0002] Pipeline self-compacting backfill refers to the process of backfilling the excavated trench after the pipeline is laid and necessary inspections have been carried out to ensure the quality of the pipeline installation. The purpose of backfilling is to support and protect the pipeline, prevent displacement, sinking or damage caused by external loads, and ensure the normal operation of the drainage system.

[0003] At present, the self-compacting backfill of pipelines usually involves stirring and mixing the backfill materials first, and then discharging the backfill materials into the trench after the mixing is completed. However, when the backfill materials are not stirred evenly, large lumps may exist, which can easily increase the gaps in the backfill layer and reduce the density of the backfill layer, which is inconvenient.

[0004] Therefore, it is necessary to design a pipeline self-compacting backfill device that can filter and discharge large blocks in the backfill material, ensure the uniform particle size of the backfill material, and improve the overall density of the backfill layer. Utility Model Content

[0005] In view of this, the purpose of the utility model is to provide a pipeline self-compacting backfill device, which can filter out large pieces of backfill material, make the backfill material particle size uniform, improve the overall density of the backfill layer, and avoid clogging.

[0006] In order to achieve the above object, the utility model provides the following technical solutions:

[0007] A pipeline self-compacting backfill device comprises a stirring unit, on which a motor and a feeding unit are provided, on which a filter unit is provided; further comprising a knocking unit connected to the motor via a transmission unit, wherein the motor drives the stirring unit to stir the material, and at the same time drives one end of the knocking unit to rotate via the transmission unit, and the other end of the knocking unit repeatedly knocks the filter unit as it rotates; the feeding unit comprises a feeding pipe connected to the stirring unit, and a control valve is provided on the feeding pipe.

[0008] Optionally, the knocking unit includes a rotating frame having one end connected to the transmission unit, and a knocking frame is provided at the other end of the rotating frame; a first impact part is provided at one end of the rotating frame close to the knocking frame, and when the rotating frame rotates, the first impact part contacts the knocking frame to drive the knocking frame to swing horizontally, and repeatedly knocks the filter unit through the end of the knocking frame away from the rotating frame.

[0009] Optionally, the knocking unit further includes a support frame disposed on the unloading unit, and the knocking frame is rotatably connected to the support frame via the second torsion spring.

[0010] Optionally, one end of the knocking frame in contact with the first knocking part is a second knocking part, and the other end is a knocking part, through which the filter unit is repeatedly knocked; the second knocking part is inclined toward the knocking part on one side of the first knocking part.

[0011] Optionally, the stirring unit includes a stirring barrel and a stirring frame arranged in the stirring barrel, and the motor drives the stirring frame to rotate.

[0012] Optionally, the rotating frame is fixed on the mixing barrel via a fixing rod.

[0013] Optionally, the feeding unit further includes a feeding trough and a discharge pipe which are sequentially arranged behind the feeding pipe along the material discharge direction, wherein the feeding pipe is arranged on the side wall of the mixing barrel, and the feeding trough and the discharge pipe are respectively arranged on both sides of the filtering unit.

[0014] Optionally, the filter unit includes a filter screen and a rotating plate which are sequentially arranged on the material discharge unit along a material discharge direction, and the rotating plate is rotatably arranged on the material discharge unit via a first torsion spring.

[0015] Optionally, the transmission unit includes at least two pulleys and a belt wrapped around the pulleys, wherein the two pulleys are respectively arranged on the motor and the knocking unit.

[0016] Optionally, the lower part of the stirring unit is connected to the walking unit through a base.

[0017] The beneficial effects of the utility model are:

[0018] The device of the utility model filters and discharges the large pieces in the backfill material through the filter screen, so as to ensure the uniform particle size of the backfill material and improve the overall density of the backfill layer. The motor drives the pulley to rotate, so that the belt drives the rotating frame to rotate, and the first impact part at the bottom of the rotating frame contacts the knocking frame, so that the knocking frame swings horizontally under the action of the second torsion spring, and the knocking part of the knocking frame repeatedly knocks the filter screen, which plays a role in knocking and vibrating the filter screen, avoiding the backfill material from sticking to the filter screen and causing the filter screen to be blocked, thereby improving the construction efficiency.

[0019] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and research, or can be taught from the practice of the present invention to some extent. The objectives and other advantages of the present invention can be achieved and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings, in which:

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the device of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of the cross-sectional three-dimensional structure of the middle mixing barrel;

[0023] Figure 3 for Figure 1 An enlarged schematic diagram of the filter unit;

[0024] Figure 4 for Figure 1 An enlarged schematic diagram of the middle strike frame.

[0025] Reference numerals:

[0026] 1 stirring unit, 11 stirring barrel, 12 stirring frame, 2 motor, 3 feeding unit, 31 feeding pipe, 32 feeding trough, 33 discharge pipe, 34 control valve, 4 filtering unit, 41 filter screen, 42 rotating plate, 43 first torsion spring, 5 transmission unit, 51 pulley, 52 belt, 6 knocking unit, 61 rotating frame, 611 first impact part, 62 knocking frame, 621 second impact part, 622 knocking part, 63 supporting frame, 64 second torsion spring, 7 fixing rod, 8 base, 9 walking unit, 10 fixing frame. DETAILED DESCRIPTION

[0027] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the illustrations provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner, and the following embodiments and the features in the embodiments can be combined with each other without conflict.

[0028] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on the present utility model. In order to better illustrate the embodiments of the present utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0029] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "front", "back" and the like indicate directions or positional relationships, they are based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as a limitation on the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] See also Figure 1 to Figure 4 , which is a pipeline self-compacting backfilling device, including a stirring unit 1, on which a motor 2 and a feeding unit 3 are provided, and on which a filtering unit 4 is provided; it also includes a knocking unit 6 connected to the motor 2 through a transmission unit 5, the motor 2 drives the stirring unit 1 to stir the material, and at the same time drives one end of the knocking unit 6 to rotate through the transmission unit 5, and the other end of the knocking unit 6 repeatedly knocks the filtering unit 4 as it rotates.

[0031] The knocking unit 6 includes a rotating frame 61 connected to the transmission unit 5 at one end, and a knocking frame 62 is provided at the other end of the rotating frame 61; a first impact part 611 is provided at one end of the rotating frame 61 close to the knocking frame 62, and the first impact part 611 is vertically arranged on the rotating frame 61. In some embodiments of the utility model, three first impact parts 611 are evenly arranged on the horizontal plane, and the first impact parts 611 are in the form of a sphere connected to a cross bar, and the sphere is connected to the rotating frame 61 through the cross bar. When the rotating frame 61 rotates, the first impact part 611 contacts the knocking frame 62 to drive the knocking frame 62 to swing horizontally and repeatedly knock the filter unit 4. The knocking unit 6 also includes a support frame 63 arranged on the unloading unit 3, and the knocking frame 62 is rotatably connected to the support frame 63 through a second torsion spring 64. One end of the knocking frame 62 that contacts the first impact part 611 is the second impact part 621, and the other end is the knocking part 622. The knocking part 622 is used to repeatedly knock the filter unit 4, thereby vibrating the filter unit 4, improving the filtration efficiency of the material on the filter unit 4, and enhancing the filtration effect; the side of the second impact part 621 facing the first impact part 611 is set as an inclined surface inclined toward the knocking part 622.

[0032] The stirring unit 1 includes a stirring barrel 11 and a stirring frame 12 disposed in the stirring barrel 11. The output shaft of the motor 2 is connected to the stirring frame 12 to drive the stirring frame 12 to rotate, thereby stirring and mixing the materials in the stirring barrel 11. The lower part of the stirring unit 1 is connected to the walking unit 9 through the base 8. The rotating frame 61 is fixedly disposed on the stirring barrel 11 through the fixing rod 7. In some embodiments of the utility model, the walking unit 9 is four evenly arranged rollers to facilitate the movement of the entire device.

[0033] The material discharge unit 3 includes a material discharge pipe 31, a material discharge trough 32 and a discharge pipe 33 which are sequentially arranged along the material discharge direction, wherein the material discharge pipe 31 is arranged on the side wall of the mixing barrel 11, and the material discharge trough 32 and the discharge pipe 33 are respectively arranged on both sides of the filter unit 4. A control valve 34 is arranged on the material discharge pipe 31 to facilitate the opening and closing of the material discharge channel and the material discharge flow rate control. The material discharge trough 32 is fixed on the base 8 through the fixing frame 10.

[0034] The filter unit 4 includes a filter screen 41 and a rotating plate 42 which are sequentially arranged between the material discharge chute 32 and the discharge pipe 33 along the material discharge direction. The rotating plate 42 is rotatably arranged between the material discharge chute 32 and the discharge pipe 33 by means of a first torsion spring 43. When filtering and backfilling, the filter screen 41 is partially aligned with the groove to be backfilled, and materials with small particle sizes fall into the groove through the filter screen 41, while large pieces remain on the filter screen 41. The rotating plate 42 rotates to push the large pieces into the discharge pipe 33, and then the large pieces are discharged through the discharge pipe 33. On the one hand, the particle size uniformity of the groove backfill material is improved, and on the other hand, it also avoids large pieces from clogging the filter screen 41, thereby ensuring smooth backfill filtering process. In some embodiments of the utility model, the discharge pipe 33 is arranged horizontally in an L-shape to facilitate the discharge of large pieces to the ground.

[0035] The transmission unit 5 includes at least two pulleys 51 and a belt 52 wrapped around the pulleys 51 , wherein the two pulleys 51 are respectively arranged on the motor 2 and the rotating frame 61 of the knocking unit 6 .

[0036] When using the device, firstly, the whole device is moved to the trench backfilling area by the walking unit 9, so that the filter screen 41 is aligned with the lower trench, and the discharge pipe 33 is aligned with the ground or the collection box, and then the backfilling materials such as soil, cement, water and curing agent are poured into the mixing barrel 11, and the motor 2 is started to drive the stirring frame 12 to rotate, and the backfilling materials are stirred and mixed; after the stirring is completed, the control valve 34 is opened to discharge the backfilling materials from the discharge pipe 31 to the discharge trough 32, and then pass through the filter screen 41 for Filter, materials with small particle size fall into the groove through the filter screen 41 to be filled, and large pieces stay on the filter screen 41. When the large pieces reach a certain amount, the rotating plate 42 rotates, and the first torsion spring 43 is deformed, so that the large pieces are discharged from the discharge pipe 33 to the ground or the collection box. When the large pieces are discharged, the first torsion spring 43 is restored, driving the rotating plate 42 to rotate, thereby filtering and discharging the large pieces in the backfill material, ensuring that the particle size of the backfill material is uniform, and improving the overall density of the backfill layer.

[0037] When the motor 2 is started, it drives the pulley 51 to rotate, so that the belt 52 rotates and drives the rotating frame 61 to rotate on the fixed rod 7. The first impact part 611 of the rotating frame 61 repeatedly hits the knocking frame 62, so that the knocking frame 62 keeps swinging horizontally under the action of the support frame 63 and the second torsion spring 64. The second torsion spring 64 recovers after deformation, so that the knocking frame 62 repeatedly knocks the filter screen 41, thereby vibrating the filter screen 41, avoiding the backfill material sticking to the filter screen 41 and causing the filter screen 41 to be blocked, thereby improving the construction efficiency.

[0038] The device of the utility model filters and discharges the large pieces in the backfill material through the filter screen 41 to ensure the uniform particle size of the backfill material and improve the overall density of the backfill layer. The motor 2 drives the pulley 51 to rotate, so that the belt 52 drives the rotating frame 61 to rotate, and the first impact part 611 at the bottom of the rotating frame 61 contacts the knocking frame 62, so that the knocking frame 62 swings horizontally under the action of the second torsion spring 64, and the knocking part 622 of the knocking frame 62 repeatedly knocks the filter screen 41, which plays a role in knocking and vibrating the filter screen 41, preventing the backfill material from sticking to the filter screen 41 and causing the filter screen 41 to be blocked, thereby improving the construction efficiency.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution, which should be included in the scope of the claims of the utility model.

Claims

1. A pipeline self-compacting backfilling device, characterized in that: The invention comprises a stirring unit (1), wherein the stirring unit (1) is provided with a motor (2) and a feeding unit (3), wherein the feeding unit (3) is provided with a filtering unit (4); and further comprises a beating unit (6) connected to the motor (2) via a transmission unit (5), wherein the motor (2) drives the stirring unit (1) to stir the material, and at the same time drives one end of the beating unit (6) to rotate via the transmission unit (5), and the other end of the beating unit (6) repeatedly beats the filtering unit (4) as it rotates; and the feeding unit (3) comprises a feeding pipe (31) connected to the stirring unit (1), and a control valve (34) is provided on the feeding pipe (31).

2. The pipeline self-compacting backfilling device according to claim 1, characterized in that: The knocking unit (6) comprises a rotating frame (61) connected to the transmission unit (5) at one end, and a knocking frame (62) is arranged at the other end of the rotating frame (61); a first knocking portion (611) is arranged at one end of the rotating frame (61) close to the knocking frame (62), and when the rotating frame (61) rotates, the first knocking portion (611) contacts the knocking frame (62) to drive the knocking frame (62) to swing horizontally, and the filter unit (4) is repeatedly knocked by the knocking frame (62) at one end away from the rotating frame (61).

3. The pipeline self-compacting backfilling device according to claim 2 is characterized in that: The knocking unit (6) further comprises a support frame (63) arranged on the unloading unit (3), and the knocking frame (62) is rotatably connected to the support frame (63) via a second torsion spring (64).

4. The pipeline self-compacting backfilling device according to claim 2, characterized in that: One end of the knocking frame (62) in contact with the first knocking part (611) is a second knocking part (621), and the other end is a knocking part (622), and the filter unit (4) is knocked repeatedly by the knocking part (622); the second knocking part (621) is inclined toward the knocking part (622) on one side of the first knocking part (611).

5. The pipeline self-compacting backfilling device according to claim 2, characterized in that: The stirring unit (1) comprises a stirring barrel (11) and a stirring frame (12) arranged in the stirring barrel (11), and the motor (2) drives the stirring frame (12) to rotate.

6. The pipeline self-compacting backfilling device according to claim 5, characterized in that: The rotating frame (61) is fixedly arranged on the stirring barrel (11) via a fixing rod (7).

7. The pipeline self-compacting backfilling device according to claim 5, characterized in that: The material discharge unit (3) further comprises a material discharge trough (32) and a discharge pipe (33) which are sequentially arranged behind the material discharge pipe (31) along the material discharge direction, wherein the material discharge pipe (31) is arranged on the side wall of the mixing barrel (11), and the material discharge trough (32) and the discharge pipe (33) are respectively arranged on both sides of the filtering unit (4).

8. The pipeline self-compacting backfilling device according to claim 1, characterized in that: The filtering unit (4) comprises a filtering screen (41) and a rotating plate (42) which are sequentially arranged on the material discharge unit (3) along a material discharge direction; the rotating plate (42) is rotatably arranged on the material discharge unit (3) via a first torsion spring (43).

9. The pipeline self-compacting backfilling device according to claim 1, characterized in that: The transmission unit (5) comprises at least two pulleys (51) and a belt (52) surrounding the pulleys (51), wherein the two pulleys (51) are respectively arranged on the motor (2) and the knocking unit (6).

10. The pipeline self-compacting backfilling device according to claim 1, characterized in that: The lower part of the stirring unit (1) is connected to the walking unit (9) via a base (8).

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