CN210975924U

CN210975924U - Backfilling machine

Info

Publication number: CN210975924U
Application number: CN201921795550.1U
Authority: CN
Inventors: 李朝军
Original assignee: Yanshi Yicheng Technology Co ltd
Current assignee: Yanshi Yicheng Technology Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-10
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a backfill machine relates to backfill machine technical field, and backfill machine includes host computer, backfill structure, ditching structure, first drive mechanism and second drive mechanism. The backfilling structure comprises an auger shaft arranged at the front end of the main machine and a helical blade arranged on the auger shaft, and the first transmission mechanism is arranged between the backfilling structure and the main machine and is in transmission connection with the backfilling structure and the main machine; the ditching structure is arranged on a main shaft, a cutter head and a blade at the rear end of the main machine, and the second transmission mechanism is arranged between the ditching structure and the main machine and is in transmission connection with the ditching structure and the main machine. By the arrangement, the main machine cannot compact soil during traveling, so that incomplete backfilling is avoided; meanwhile, the functions of a backfill structure and a ditching structure are realized, and ditching machines do not need to be carried and replaced, so that time and labor are saved; and the power source is shared, so that the power is fully utilized, and the power waste is avoided.

Description

Backfilling machine

Technical Field

The utility model relates to a backfill machine technical field, more specifically say, relate to a backfill machine.

Background

The backfilling machine in China at present adopts rear-mounted filling, and comprises a main machine and a backfilling structure, wherein the backfilling structure is arranged at the rear part of the main machine, a power source is arranged on the main machine, and the power source provides power for the backfilling structure. However, when the soil needs to be filled, the machine body of the main machine firstly passes through the soil and then the soil can be filled only by backfilling the structure, so that the main machine can compact the soil in the advancing process, the backfilling is not thorough, the power waste is caused,

moreover, the general backfilling machine needs to be matched with other rear-mounted machines for use, when other rear-mounted machines are replaced, the backfilling structure needs to be detached and then replaced by other machines, so that the backfilling machine needs to transport and carry other machines in the backfilling structure operation process of the backfilling machine, which is very inconvenient, and the machines and tools are frequently replaced in the whole process, which wastes time and labor.

Moreover, when the main machine works, only the backfill structure can be used for filling soil or other rear machines and tools, namely, only single function operation can be realized at the same time, and the power utilization of the main machine is insufficient in consideration of practicability.

Therefore, how to solve the problems that the backfill of the backfill machine is not thorough and causes power waste, other machines and tools need to be transported and carried in the operation process, the machines and tools need to be frequently replaced, time and labor are wasted, and the power utilization is insufficient in the prior art becomes an important technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a backfill machine is not thorough, cause power waste with the backfill that solves backfill machine existence among the prior art, the operation in-process need the transportation carry other machines, frequently change the machines, waste time and energy to and the insufficient technical problem of power utilization. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

The utility model provides a backfill machine, include:

the main machine is provided with a power source for providing rotating power and a travelling mechanism for driving the main machine to travel;

the backfill structure comprises an auger shaft arranged at the front end of the main machine and a helical blade arranged on the auger shaft;

the first transmission mechanism is arranged between the backfill structure and the main machine and is in transmission connection with the backfill structure and the main machine, and the rotating power of the power source is transmitted to the auger shaft through the first transmission mechanism so as to enable the helical blade to rotate;

the ditching structure comprises a main shaft arranged at the rear end of the main machine, a cutter head in transmission connection with the main shaft and a blade arranged on the cutter head;

and the second transmission mechanism is arranged between the ditching structure and the main machine and is in transmission connection with the ditching structure and the main machine, and the rotating power of the power source is transmitted to the main shaft through the second transmission mechanism so as to enable the blade to work.

Preferably, the power supply is connected with main belt pulley, first drive mechanism includes first main belt drive assembly, first main belt drive assembly include first main belt and with the first belt pulley that auger shaft transmission is connected, first belt pulley with main belt pulley all with first main belt transmission is connected, so that main belt pulley drives first belt pulley with the auger shaft rotates.

Preferably, the second drive mechanism includes a second main belt drive assembly, the second main belt drive assembly includes a second main belt and a second belt pulley connected to the main shaft drive, the second belt pulley and the main belt pulley are connected to the second main belt drive assembly so that the main belt pulley drives the second belt pulley and the main shaft rotates.

Preferably, first drive mechanism is still including setting up backfill structural first auxiliary belt drive assembly, first auxiliary belt drive assembly include through first gear drive assembly with first belt pulley transmission is connected, set up and be in the second drive wheel and the first belt of auger shaft tip, first drive wheel with the second drive wheel all with first belt transmission is connected so that first belt pulley rotates the drive the second drive wheel with the auger shaft rotates.

Preferably, the backfill structure further comprises a housing for covering the auger shaft and the helical blade, the auger shaft is arranged in the housing, the housing is rotatably connected with the host, an oil cylinder is arranged between the housing and the host, one end of the oil cylinder is hinged with the host, the other end of the oil cylinder is hinged with the housing, an extension line of the oil cylinder deviates from a rotating axis of the housing, the oil cylinder can drive the housing to rotate by extending or shortening, and the first belt pulley is rotatably arranged on the housing; when the oil cylinder extends, the shell drives the first belt pulley to move to a first position, the first main belt is tensioned, and the first belt pulley rotates; when the hydro-cylinder shortens, the casing drives first belt pulley displacement to the second position, first main belt relaxes first belt pulley stall.

Preferably, the power source is an engine, a hydraulic pump connected with the engine is further arranged on the main machine, the oil cylinder is connected with the hydraulic pump, and a control valve is arranged between the hydraulic pump and the oil cylinder.

Preferably, the second transmission mechanism further comprises a second auxiliary belt transmission assembly, the second auxiliary belt transmission assembly comprises a gearbox connected with the second belt pulley, a first gear in transmission connection with the gearbox, a second gear meshed with the first gear, and a second gear transmission assembly, a rear transmission shaft connected with the second gear is further arranged on the ditching structure, and the rear transmission shaft and the spindle are in transmission connection through the second gear transmission assembly so that the rear transmission shaft rotates to drive the spindle to rotate.

Preferably, the gearbox includes the box, sets up transmission shaft and setting in the box are in epaxial gear assembly of transmission, the gear assembly with the second belt pulley with first gear drive connects, just be equipped with on the gear assembly and be used for stirring the gear assembly is followed the axial displacement's of transmission shaft shift fork, shift fork connection has the handle, through control the handle can be controlled the shift fork is stirred the gear assembly so that the gear assembly meshing or separation.

Preferably, the main pulley, the first pulley and the second pulley are all micro-groove pulleys, the number of grooves on the first pulley is a, the number of grooves on the second pulley is b, the number of grooves on the main pulley is c, and a + b is c; and in the c grooves of the main belt pulley, a grooves correspond to and are in transmission connection with a grooves on the first belt pulley, and the other b grooves correspond to and are in transmission connection with b grooves on the second belt pulley.

Preferably, the control valve is a solenoid valve.

The utility model provides an among the technical scheme, backfill the machine and include host computer, backfill structure, ditching structure, first drive mechanism and second drive mechanism. The main machine is provided with a power source and a traveling mechanism, the power source is used for providing rotating power, and the traveling mechanism is used for driving the main machine to travel. The backfilling structure comprises an auger shaft arranged at the front end of the main machine and a helical blade arranged on the auger shaft, the first transmission mechanism is arranged between the mowing structure and the main machine, and the first transmission mechanism is in transmission connection with the backfilling structure and the main machine, so that the rotating power of the power source is transmitted to the auger shaft through the first transmission mechanism, and the helical blade rotates while the auger shaft rotates, thereby realizing the backfilling function; ditching structure is used for ditching, ditching structure includes the main shaft, blade disc and blade, the main shaft sets up the rear end at the host computer, the blade disc is connected with spindle drive, the blade sets up on the blade disc, and second drive mechanism sets up between ditching structure and host computer, and second drive mechanism is connected with ditching structure and host computer transmission, so, the rotation power of power supply can transmit for the main shaft through second drive mechanism, thereby make the main shaft rotate, blade disc and blade rotate when the main shaft pivoted, thereby realize the function of ditching. According to the arrangement, the backfill structure is positioned at the front end of the main machine, the backfill is carried out when the main machine moves forward, and then the main machine passes through the soil, so that the soil is not compacted, and the complete backfill of the soil is facilitated; the backfilling machine has the functions of backfilling and ditching, and ditching machines do not need to be carried and replaced during operation, so that time and labor are saved; in addition, the backfill structure and the ditching structure share one power source, and the backfill machine can simultaneously use two machines of the backfill structure and the ditching structure under the driving action of the same power source, so that the power is fully utilized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a top view of a backfilling machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a hydraulic pump and an oil cylinder in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a transmission in an embodiment of the present invention.

In FIGS. 1-3:

1-main engine, 2-engine, 3-running gear, 4-backfill structure, 401-auger shaft, 402-helical blade, 403-shell, 5-ditching structure, 501-main shaft, 502-cutter head, 503-blade, 6-oil cylinder, 7-hydraulic pump, 8-main belt pulley, 9-first main belt, 10-first belt pulley, 11-second main belt pulley, 12-second belt pulley, 13-first driving wheel, 14-second driving wheel, 15-first belt, 16-gearbox, 1601-transmission input shaft, 1602-transmission output shaft, 1603-fifth gear, 1604-driving shaft, 1605-driving gear, 1606-driven gear, 1607-box, 17-first gear, 18-a second gear, 19-a rear transmission shaft, 20-a second gear transmission component, 21-a shifting fork, 22-an electromagnetic valve, 23-a handle and 24-a first gear transmission component.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The purpose of this embodiment is to provide a backfill machine, solve the backfill that backfill machine exists among the prior art thoroughly, cause the power waste, need the transportation to carry other machines and tools, frequently change the machines and tools, waste time and energy among the operation process, and the insufficient problem of power utilization.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1, in the present embodiment, the backfilling machine includes a main frame 1, a backfilling structure 4, a trench digging structure 5, a first transmission mechanism and a second transmission mechanism. The backfilling structure 4 is arranged at the front end of the main machine 1 and is connected with the main machine 1 through a first transmission mechanism, and the ditching structure 5 is arranged at the rear end of the main machine 1 and is connected with the main machine 1 through a second transmission mechanism; the main machine 1 is provided with a power source and a traveling mechanism 3, the power source is used for providing rotating power, the power source can be an engine 2 or a motor or other power structures, and the traveling mechanism 3 is used for driving the main machine 1 to travel so as to drive the backfill structure 4 and the ditching structure 5 to travel. Specifically, the backfill structure 4 comprises an auger shaft 401 and a helical blade 402 arranged on the auger shaft, a first transmission mechanism is arranged between the backfill structure 4 and the main machine 1, and the first transmission mechanism is in transmission connection with the backfill structure 4 and the main machine 1, so that the rotation power of a power source is transmitted to the auger shaft 401 through the first transmission mechanism, and the helical blade 402 rotates while the auger shaft 401 rotates, so that the helical blade 402 realizes the backfill function; ditching structure 5 is used for ditching, ditching structure 5 includes main shaft 501, blade disc 502 with main shaft 501 transmission is connected, and set up blade 503 on blade disc 502, second drive mechanism sets up between ditching structure 5 and host computer 1, and second drive mechanism is connected with ditching structure 5 and the transmission of host computer 1, so, the rotation power of power supply can transmit for main shaft 501 through second drive mechanism, thereby make main shaft 501 rotate, blade disc 502 and blade 503 rotate when main shaft 501 rotates, thereby realize the ditching function.

Specifically, running gear 3 is similar running gear 3 on the current tank, and running gear 3 includes the track frame, track and the drive wheel of setting on the track frame, the leading wheel, set up the grip-pad of track frame below and set up the thrust wheel on the grip-pad, and the thrust wheel is located between drive wheel and the leading wheel, and the top of thrust wheel is equipped with the carrier roller, and the drive wheel is connected with power device, and power device drives the drive wheel and rotates, and drive wheel, thrust wheel, leading wheel, carrier roller combined action make the track roll subaerial, and concrete theory of operation is no longer elaborated herein in detail.

According to the arrangement, the backfill structure 4 of the backfilling machine is positioned at the front end of the main machine 1, soil is backfilled firstly during advancing, then the main machine 1 passes through the soil, the soil is not compacted, and the soil is backfilled thoroughly; the backfilling machine has the functions of backfilling and ditching 5, and ditching machines do not need to be carried and replaced during operation, so that time and labor are saved; in addition, the backfill structure 4 and the ditching structure 5 share one power source, and the backfill machine can simultaneously use two machines of the backfill structure 4 and the ditching structure 5 under the driving action of the same power source, so that the power is fully utilized.

As an alternative embodiment, as shown in fig. 1, a main belt pulley 8 is connected to the power source, the first transmission mechanism includes a first main belt transmission assembly, the first main belt transmission assembly includes a first main belt 9 and a first belt pulley 10, wherein the first belt pulley 10 and the main belt pulley 8 are both in transmission connection with the first main belt 9, such that rotation of the main belt pulley 8 drives the first main belt 9 to rotate and further drives the first belt pulley 10 to rotate, and since the first belt pulley 10 is in transmission connection with the auger shaft 401 of the backfill structure 4, the auger shaft 401 is finally driven to rotate, so as to operate the helical blade 402.

Preferably, the first transmission mechanism further comprises a first auxiliary belt transmission assembly arranged on the backfill structure 4, and the first main belt transmission assembly is in transmission connection with the backfill structure 4 through the first auxiliary belt transmission assembly. Specifically, as shown in fig. 1, the first auxiliary belt transmission assembly includes a first transmission wheel 13, a second transmission wheel 14 and a first belt 15, wherein the first transmission wheel 13 is connected with the first belt pulley 10 through a first gear transmission assembly 24, the second transmission wheel 14 is disposed at an end of the auger shaft 401, and both the first transmission wheel 13 and the second transmission wheel 14 are in transmission connection with the first belt 15, so that the first belt pulley 10 rotates to drive the second transmission wheel 14 and the auger shaft 401 to rotate. In particular, the first gear assembly 24 comprises two gears meshing with each other, one of which is coaxially connected to the first pulley 10 and the other is coaxially connected to the first transmission gear, so as to realize the connection of the first pulley 10 to the first transmission wheel 13. The first auxiliary belt transmission assembly plays an auxiliary role, when the first belt pulley 10 and the end part of the auger shaft 401 cannot be directly connected through a belt, namely, as shown in fig. 1, the first belt pulley 10 and the end part of the auger shaft 401 have a certain horizontal distance and a certain height difference, so that direct connection cannot be realized, and the first auxiliary belt transmission assembly needs to be arranged. It should be noted that the "horizontal" and "height difference" are the same as those in the arrangement state of the backfiller shown in fig. 1.

As an optional implementation manner, the second transmission mechanism includes a second main belt transmission assembly, the second main belt transmission assembly includes a second main belt 11 and a second belt pulley 12, wherein the second belt pulley 12 and the main belt pulley 8 are both in transmission connection with the second main belt 11, so that rotation of the main belt pulley 8 drives the second main belt 11 to rotate and further drives the second belt pulley 12 to rotate, and since the second belt pulley 12 is in transmission connection with the main shaft 501 of the ditching structure 5, the cutter head 502 and the blade 503 are finally driven to work.

As an optional implementation manner, the second transmission mechanism further includes a second auxiliary belt transmission assembly, the second main belt transmission assembly is connected with the ditching structure 5 through the second auxiliary belt transmission assembly, specifically, as shown in fig. 1, the second auxiliary belt transmission assembly includes a gearbox 16, a first gear 17, a second gear 18, and a second gear transmission assembly 20, wherein the gearbox 16 is connected with the second pulley 12, specifically, the gearbox 16 is coaxially connected with the second pulley 12, and the rotation of the second pulley 12 drives the gearbox 16 to work internally; the first gear 17 is in transmission connection with the gearbox 16, and the second gear 18 is meshed with the first gear 17, so that the second gear 18 is driven to rotate by the internal operation of the gearbox 16. The ditching structure is also provided with a rear transmission shaft 19 connected with the second gear 18, the second gear transmission assembly 20 comprises a third gear arranged at the end part of the rear transmission shaft 19 and a fourth gear arranged at the end part of the main shaft 501, the third gear is meshed with the fourth gear, and the rear transmission shaft 19 and the main shaft 501 are in transmission connection through the second gear transmission assembly 20, so that the rear transmission shaft 19 rotates to drive the main shaft 501 to rotate, and the force transmission direction is changed.

As an alternative embodiment, as shown in fig. 1, the backfill structure 4 further includes a housing 403 for housing the auger shaft 401 and the helical blade 402, the auger shaft 401 is disposed in the housing 403, the housing 403 is rotatably connected with the main machine 1, specifically, the upper end of the housing 403 is fixedly connected with the main machine 1 through a pin, and the connection point is a rotation axis. An oil cylinder 6 is arranged between the housing 403 and the main machine 1, one end of the oil cylinder 6 is hinged with the main machine 1, the other end of the oil cylinder 6 is hinged with the housing 403, preferably, the oil cylinder 6 is horizontally arranged, and the extension line of the oil cylinder 6 deviates from the rotation axis of the housing 403, that is, the extension and the shortening of the oil cylinder 6 can drive the housing 403 to rotate. Preferably, two oil cylinders 6 are arranged on the main machine 1, and two connecting pins are also arranged at the upper end of the housing 403 and correspond to the oil cylinders 6 one by one. The first pulley 10 is rotatably disposed on the housing 403, and specifically, a protrusion may be disposed on the housing 403, and the protrusion extends into a through hole or a groove at the axial position of the first pulley 10, so as not to affect the rotation of the first pulley 10, and thus, the position of the first pulley 10 relative to the housing 403 is not changed, and the first pulley can move along with the housing 403, and can rotate. When the oil cylinder 6 extends, the shell 403 drives the first belt pulley 10 to move to the first position, the first main belt 9 is tensioned, the first belt pulley 10 rotates, and further transmission drives the auger shaft 401 of the backfill structure 4 to rotate; when the oil cylinder 6 is shortened, the shell 403 drives the first belt pulley 10 to move to the second position, the first main belt 9 is loosened, the first belt pulley 10 stops rotating, no transmission relation exists, the auger shaft 401 stops rotating, and the backfill structure 4 stops working. It should be noted that the "first position" and the "second position" herein are two positions of the first pulley 10 in two states of the first main belt 9 being tensioned and being loosened, respectively.

With the arrangement, on the premise that the engine 2 and the main belt pulley 8 work, the work and stop of the backfill structure 4 can be controlled by controlling the extension and the shortening of the oil cylinder 6, the working state of the backfill structure 4 is adjusted as required, and the control process is simple and convenient.

In an alternative embodiment, the power source is an engine 2, preferably a diesel engine. As shown in fig. 2, the main machine 1 is further provided with a hydraulic pump 7, the hydraulic pump 7 is connected with the engine 2, the oil cylinder 6 is connected with the hydraulic pump 7, and a control valve is arranged between the hydraulic pump 7 and the oil cylinder 6. Preferably, the control valve is a solenoid valve 22, and the communication and disconnection between the hydraulic pump 7 and the oil cylinder 6 can be electromagnetically controlled by an external button or a remote control.

With the arrangement, the power source on the main machine 1 can provide the telescopic power of the oil cylinder 6, namely the rotating power of the shell 403 of the backfill structure 4 is also provided by the power source on the main machine 1, so that the power is more fully utilized; in addition, the on-off between the hydraulic pump 7 and the oil cylinder 6 can be automatically controlled by controlling the electromagnetic valve 22, and the control process is simpler and more convenient.

As an alternative embodiment, as shown in fig. 3, the gearbox 16 includes a box 1607, a transmission shaft disposed in the box 1607, and a gear assembly disposed on the transmission shaft, the gear assembly being in transmission connection with the second pulley 12 and the first gear 17. Specifically, as shown in fig. 3, the transmission shaft includes a transmission input shaft 1601, a driving shaft 1604, and a transmission output shaft 1602, the gear assembly includes a fifth gear 1603 provided at an end of the transmission input shaft 1601, a plurality of driving gears 1605 provided on the driving shaft 1604, a plurality of driven gears 1606 provided on the transmission output shaft 1602, wherein the second pulley 12 is arranged on the transmission input shaft 1601, one driving gear 1605 on the driving shaft 1604 is meshed with the fifth gear 1603, the other driving gears 1605 are respectively engaged with the driven gears 1606 on the transmission output shaft 1602, that is, the second belt pulley 12 rotates to drive the transmission input shaft 1601 to rotate, and further drives the fifth gear 1603 to rotate, the driving shaft 1604 and the driving gear 1605 to rotate, the driven gear 1606 and the transmission output shaft 1602 to rotate in turn, and the first gear 17 is disposed on the transmission output shaft 1602, ultimately effecting a change in transmission speed and rotation of the first gear 17. The transmission output shaft 1602 is provided with a shifting fork 21, and the shifting fork 21 is controlled by a handle 23 so as to shift the driven gear 1606 to move along the axial direction of the transmission output shaft 1602, so that the driving gear 1605 and the driven gear 1606 are contacted or separated, and are meshed or not meshed. When the two are meshed, the ditching structure 5 works; when the two are not meshed, the ditching structure 5 stops working, and the principle is equivalent to the clutch gear shifting principle of an automobile. Preferably, a handle 23 is connected to the shift fork 21, and the shift fork 21 is controlled to shift the gear assembly by controlling the handle 23.

So set up, refined the concrete structure in the gearbox 16 to control ditching structure 5's work and stop work through shift fork 21 and handle 23, come the operating condition who adjusts ditching structure 5 through handle 23 as required, control process is simple and convenient relatively.

In a preferred embodiment, the hydraulic pump 7 is connected to a drive shaft on a gearbox 16, such that the connection between the engine 2 and the hydraulic pump 7 is indirectly achieved via the second main belt 11, the second pulley 12 and the gearbox 16. The driving wheels of the running gear 3 are in transmission connection with the gearbox 16 and still use the power of the engine 2.

As an alternative embodiment, the primary pulley 8, the first pulley 10 and the second pulley 12 are all micro-grooved pulleys, the number of grooves on the first pulley 10 is a, the number of grooves on the second pulley 12 is b, the number of grooves on the primary pulley 8 is c, and a + b is c; of the c grooves of the primary pulley 8, a grooves correspond to and are in driving connection with a grooves on the first pulley 10, and the other b grooves correspond to and are in driving connection with b grooves on the second pulley 12. Preferably, the first pulley 10 is provided with three grooves, i.e., a is 3, the second pulley 12 is provided with two grooves, i.e., b is 2, the main pulley 8 is provided with five grooves, i.e., c is 5, the three grooves on the same side of the main pulley 8 are correspondingly connected with the three grooves on the first pulley 10, and the two grooves on the other side of the main pulley 8 are correspondingly connected with the two grooves on the second pulley 12. In the preferred embodiment, the drive directions of the first main belt 9, the second main belt 11 and the first belt 15 are the same.

The backfilling machine is specifically described with reference to the above embodiments, in the embodiment, the backfilling machine includes a main machine 1, a backfilling structure 4, a ditching structure 5, a first transmission mechanism and a second transmission mechanism. Wherein, be equipped with engine 2 and running gear 3 on the host computer 1, engine 2 is used for providing rotation power, and running gear 3 is used for driving host computer 1 walking. The backfill structure 4 comprises an auger shaft 401 arranged at the front end of the main machine 1, a helical blade 402 arranged on the auger shaft 401, a shell 403 rotatably connected with the main machine 1, the engine 2 is connected with a main belt pulley 8, the first transmission mechanism comprises a first belt pulley 10, a first main belt 9 in transmission connection with the first belt pulley 10 and the main belt pulley 8, a first transmission wheel 13 in transmission connection with the first belt pulley 10 through a first gear transmission component 24, a second transmission wheel 14 arranged at the end part of the auger shaft 401, and a first belt 15 in transmission connection with the first transmission wheel 13 and the second transmission wheel 14, and the engine 2 drives the main belt pulley 8 to rotate and finally drives the auger shaft 401 to rotate; the ditching structure 5 comprises a main shaft 501 arranged at the rear end of the main machine 1, a cutter head 502 in transmission connection with the main shaft 501 and a blade 503 arranged on the cutter head 502, the second transmission mechanism comprises a second belt pulley 12, a second main belt 11 in transmission connection with the second belt pulley 12 and a main belt pulley 8, a gearbox 16 connected with the second belt pulley 12, a first gear 17 in transmission connection with the gearbox 16, a second gear 18 meshed with the first gear 17 and a second gear transmission component 20, a rear transmission shaft 19 connected with the second gear 18 is further arranged on the ditching structure 5, the rear transmission shaft 19 and the main shaft 501 are in transmission connection through the second gear transmission component 20, namely the main belt pulley 8 rotates to finally drive the main shaft 501, the cutter head 502 and the blade 503 to rotate.

An oil cylinder 6 is arranged between the shell 403 and the main machine 1, one end of the oil cylinder 6 is hinged with the main machine 1, the other end of the oil cylinder 6 is hinged with the shell 403, the extension line of the oil cylinder 6 deviates from the rotating shaft center of the shell 403, a hydraulic pump 7 connected with the engine 2 is further arranged on the main machine 1, the oil cylinder 6 is connected with the hydraulic pump 7, an electromagnetic valve 22 is arranged between the hydraulic pump 7 and the oil cylinder 6, on the premise that the engine 2 works, the oil cylinder 6 can be controlled to stretch and retract through the electromagnetic valve 22, the shell 403 rotates and ascends and descends, the position of the first belt pulley 10 is changed, and therefore the first main belt 9 is tensioned or loosened.

The gearbox 16 includes box 1607, sets up the transmission shaft in box 1607 and sets up the epaxial gear assembly of transmission, and the gear assembly is connected with second belt pulley 12, the transmission of first gear 17, and is equipped with the shift fork 21 that is used for stirring the gear assembly along the axial displacement of transmission shaft on the gear assembly, and shift fork 21 is connected with handle 23, can control shift fork 21 through control handle 23 and stir the gear assembly to make the gear assembly meshing or separate.

According to the arrangement, when the backfilling machine advances, soil is backfilled first, then the main machine 1 passes through the soil, the soil cannot be compacted, and incomplete backfilling is avoided; the backfilling machine has the functions of backfilling and ditching 5, and ditching machines do not need to be carried and replaced during operation, so that time and labor are saved; the backfill structure 4 and the ditching structure 5 share one power source, and the power is fully utilized.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The utility model provides a plurality of schemes contain the basic scheme of itself, mutual independence to restrict each other, but it also can combine each other under the condition of not conflicting, reaches a plurality of effects and realizes jointly.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A backfilling machine, comprising:

the device comprises a main machine (1), wherein a power source for providing rotating power and a traveling mechanism (3) for driving the main machine (1) to travel are arranged on the main machine (1);

the backfill structure (4) comprises an auger shaft (401) arranged at the front end of the main machine (1) and a helical blade (402) arranged on the auger shaft (401);

the first transmission mechanism is arranged between the backfill structure (4) and the main machine (1) and is in transmission connection with the backfill structure and the main machine, and the rotating power of the power source is transmitted to the auger shaft (401) through the first transmission mechanism so as to enable the helical blade (402) to rotate;

the ditching device comprises a ditching structure (5), wherein the ditching structure (5) comprises a main shaft (501) arranged at the rear end of the main machine (1), a cutter head (502) in transmission connection with the main shaft (501) and blades (503) arranged on the cutter head (502);

and the second transmission mechanism is arranged between the ditching structure (5) and the main machine (1) and is in transmission connection with the ditching structure and the main machine, and the rotating power of the power source is transmitted to the main shaft (501) through the second transmission mechanism so as to enable the blade (503) to work.

2. The backfilling machine according to claim 1, wherein the power source is connected with a main belt pulley (8), the first transmission mechanism comprises a first main belt transmission component, the first main belt transmission component comprises a first main belt (9) and a first belt pulley (10) in transmission connection with the auger shaft (401), and the first belt pulley (10) and the main belt pulley (8) are both in transmission connection with the first main belt (9) so that the main belt pulley (8) drives the first belt pulley (10) and the auger shaft (401) to rotate.

3. The backfiller according to claim 2, wherein said second transmission mechanism comprises a second main belt transmission assembly, said second main belt transmission assembly comprises a second main belt (11) and a second belt pulley (12) in transmission connection with said main shaft (501), said second belt pulley (12) and said main belt pulley (8) are in transmission connection with said second main belt (11) so that said main belt pulley (8) drives said second belt pulley (12) and said main shaft (501) to rotate.

4. The backfilling machine according to claim 2, wherein the first transmission mechanism further comprises a first auxiliary belt transmission component arranged on the backfilling structure (4), the first auxiliary belt transmission component comprises a first transmission wheel (13) in transmission connection with the first belt pulley (10) through a first gear transmission component (24), a second transmission wheel (14) arranged at the end part of the auger shaft (401) and a first belt (15), and the first transmission wheel (13) and the second transmission wheel (14) are both in transmission connection with the first belt (15) so that the first belt pulley (10) rotates to drive the second transmission wheel (14) and the auger shaft (401) to rotate.

5. The backfilling machine according to claim 4, wherein said backfilling structure (4) further comprises a housing (403) for covering said auger shaft (401) and said helical blade (402), said auger shaft (401) is disposed in said housing (403), said housing (403) is rotatably connected to said main machine (1), and an oil cylinder (6) is disposed between said housing (403) and said main machine (1), one end of said oil cylinder (6) is hinged to said main machine (1), the other end is hinged to said housing (403), an extension line of said oil cylinder (6) deviates from a rotation axis of said housing (403), said oil cylinder (6) can be extended or shortened to drive said housing (403) to rotate, and said first belt pulley (10) is rotatably disposed on said housing (403); when the oil cylinder (6) extends, the shell (403) drives the first belt pulley (10) to move to a first position, the first main belt (9) is tensioned, and the first belt pulley (10) rotates; when hydro-cylinder (6) shorten, casing (403) drive first belt pulley (10) displacement to second position, first driving belt (9) relax first belt pulley (10) stall.

6. The backfiller according to claim 5, characterized in that said power source is an engine (2), said main frame (1) is further provided with a hydraulic pump (7) connected with said engine (2), said cylinder (6) is connected with said hydraulic pump (7), and a control valve is arranged between said hydraulic pump (7) and said cylinder (6).

7. The backfilling machine according to claim 3, wherein the second transmission mechanism further comprises a second auxiliary belt transmission assembly, the second auxiliary belt transmission assembly comprises a gear box (16) connected with the second belt wheel (12), a first gear (17) in transmission connection with the gear box (16), a second gear (18) engaged with the first gear (17), and a second gear transmission assembly (20), the ditching structure (5) is further provided with a rear transmission shaft (19) connected with the second gear (18), and the rear transmission shaft (19) and the main shaft (501) are in transmission connection through the second gear transmission assembly (20) so that the rear transmission shaft (19) rotates to drive the main shaft (501) to rotate.

8. The backfilling machine according to claim 7, wherein said gear box (16) comprises a box body (1607), a transmission shaft arranged in said box body (1607) and a gear assembly arranged on said transmission shaft, said gear assembly is in transmission connection with said second belt wheel (12) and said first gear (17), and a shifting fork (21) for shifting said gear assembly along the axial movement of said transmission shaft is arranged on said gear assembly, said shifting fork (21) is connected with a handle (23), and said shifting fork (21) can be controlled by controlling said handle (23) to shift said gear assembly so as to engage or disengage said gear assembly.

9. The backfiller according to claim 3, wherein said primary pulley (8), said first pulley (10) and said second pulley (12) are all micro-grooved pulleys, the number of grooves on said first pulley (10) is a, the number of grooves on said second pulley (12) is b, the number of grooves on said primary pulley (8) is c, and a + b ═ c; among the c grooves of the main belt pulley (8), a grooves correspond to and are in transmission connection with a grooves on the first belt pulley (10), and the other b grooves correspond to and are in transmission connection with b grooves on the second belt pulley (12).

10. The backfiller according to claim 6, characterized in that said control valve is a solenoid valve (22).