CN213390296U - Pressure pipeline slot foundation slope excavation device - Google Patents

Abstract

The utility model provides a pipeline under pressure slot basis side slope excavation device, set up rotatory cutting mechanism and domatic cutting mechanism above the open slot front end of receipts native fill, domatic cutting knife is located behind the rotary knife, the soil inlet of dumping mechanism gos deep into in the receipts native fill, the dumping pipe stretches out outside the receipts native fill, the oblique linear cutting side slope earthwork of rotatory cutting mechanism's cross universal coupling transmission torque drive rotary knife, domatic cutting mechanism's cutting motor drive domatic cutting knife inclined plane linear cutting side slope earthwork, the soil body after the collection cutting is fought, discharge the soil body outside the slot through dumping mechanism. The utility model overcomes when the foundation ditch inslot is collapsed easily to the earthwork when former water power plant pipeline under pressure side slope excavation, need adopt the excavator once more to carry out the operation of dumping, the operation period is long, the problem of inefficiency has simple structure, and the ditch groove side slope earthwork is difficult to collapse after the excavation, the dumping in the time of operation, the activity duration is short, and is efficient, characteristics that easy operation is convenient.

Description

Pressure pipeline slot foundation slope excavation device

Technical Field

The utility model belongs to the technical field of power station pipeline under pressure basis is handled, a pipeline under pressure slot basis side slope excavation device is related to.

Background

In the hydropower station construction process, a pressure pipeline is usually required to be constructed for drainage, the pressure pipeline is installed after foundation treatment, the foundation for soil excavation is related to the foundation of soil excavation at present, the foundation is of a groove structure, an excavator is adopted to excavate a foundation groove at first, the width of the foundation groove exceeds 2 meters, then the side slope from the foundation groove to a notch is treated, the side slope is of an inclined structure, when the excavator is used for excavation, the side slope earthwork is easy to collapse into the foundation groove, the excavator is required to be adopted again for soil discharge operation, the operation period is long, and the efficiency is low.

Disclosure of Invention

The utility model aims to solve the technical problem that a pipeline under pressure slot basis side slope excavation device is provided, moreover, the steam generator is simple in structure, adopt and set up rotatory cutting mechanism and domatic cutting mechanism above the open slot front end of receipts soil fill, domatic cutting knife is located behind the rotary knife, the soil inlet of dumping mechanism is deepened in the receipts soil fill, the pipe that dumping stretches out outside the receipts soil fill, the cross universal coupling transmission torque drive rotary knife slope earthwork that inclines of rotatory cutting mechanism, domatic cutting mechanism's cutting motor drive domatic cutting knife slope earthwork, the soil body after the collection cutting of receipts soil fill, the dumping mechanism is outside soil body discharge slot, the slot side slope earthwork that collapses after the excavation is difficult for falling, the dumping in the time of operation, the activity duration is short, high efficiency, and is simple in operation convenient.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: a pressure pipeline groove foundation slope excavation device comprises a soil collecting hopper, a rotary cutting mechanism, a slope surface cutting mechanism and a soil discharging mechanism; the slope cutting mechanism and the rotary cutting mechanism are connected with an inclined troweling plate of the soil collection hopper, the rotary cutting mechanism is positioned in front of the slope cutting mechanism, a soil inlet of the soil discharging mechanism extends into the soil collection hopper, and a soil discharging pipe extends out of the soil collection hopper; the rotary cutter of the rotary cutting mechanism is positioned above the front end of the open slot of the soil collecting hopper, and the slope cutter of the slope cutting mechanism is positioned in the open slot of the soil collecting hopper and on the same horizontal plane with the open slot.

The soil collecting hopper comprises an inclined trowelling plate connected with the horizontal trowelling plate and a soil retaining plate connected with the horizontal trowelling plate and the inclined trowelling plate.

The inclined troweling plate is an inclined flat plate, and an open slot is formed in one end of the inclined troweling plate.

One end of the horizontal troweling plate close to the open slot is of a triangular structure.

The rotary cutting mechanism comprises a support plate matched with two ends of the rotary shaft, a plurality of rotary knives positioned on the rotary shaft and a cross universal coupling connected with one end of the rotary shaft; the support plate is positioned at two sides of the open slot and connected with the open slot.

The rotating shaft is of an inclined structure, and the cross universal coupling is connected with the lower end.

The slope cutting mechanism comprises a cutting motor connected with the support and a slope cutting knife connected with an output shaft of the cutting motor.

The support is the cell wall that the opening is downward, is connected with the open slot both sides, and domatic cutting knife is the slope form and hangs in the support below.

The soil discharging mechanism comprises a soil conveying motor connected with one end of the soil conveying pipe and a spiral sheet located in the soil conveying pipe and connected with an output shaft of the soil conveying motor, the soil conveying pipe located at one end of the soil conveying motor is provided with a soil discharging pipe, and the other end of the soil conveying pipe is provided with a soil inlet.

The output shaft of the soil conveying motor is matched with the sealing plates at the two ends of the soil conveying pipe; the pipe orifice of the waste discharge pipe faces downwards, and the opening of the waste inlet faces upwards.

A pressure pipeline groove foundation slope excavation device comprises a soil collecting hopper, a rotary cutting mechanism, a slope surface cutting mechanism and a soil discharging mechanism; the slope cutting mechanism and the rotary cutting mechanism are connected with an inclined troweling plate of the soil collection hopper, the rotary cutting mechanism is positioned in front of the slope cutting mechanism, a soil inlet of the soil discharging mechanism extends into the soil collection hopper, and a soil discharging pipe extends out of the soil collection hopper; the rotary cutter of the rotary cutting mechanism is positioned above the front end of the open slot of the soil collecting hopper, and the slope cutter of the slope cutting mechanism is positioned in the open slot of the soil collecting hopper and on the same horizontal plane with the open slot. Simple structure, through set up rotatory cutting mechanism and domatic cutting mechanism above the open slot front end at receipts soil fill, domatic cutting knife is located behind the rotary cutter, the soil inlet of dumping mechanism gos deep into in the receipts soil fill, the soil discharging pipe stretches out outside the receipts soil fill, the cross universal coupling transmission moment of torsion drive rotary cutter slope linear cutting side slope earthwork through rotatory cutting mechanism, cutting motor drive domatic cutting knife slope linear cutting side slope earthwork through domatic cutting mechanism, collect the soil body after the cutting through receiving the soil fill, discharge the soil body through the dumping mechanism outside the slot, the slot side slope earthwork is difficult for collapsing after the excavation, the dumping in the operation, operating time is short, high efficiency, easy operation is convenient.

In a preferred scheme, the soil collecting hopper comprises an inclined troweling plate connected with a horizontal troweling plate and a soil retaining plate connected with the horizontal troweling plate and the inclined troweling plate. Simple structure, during the use, drive when excavating equipment advances and receive the native fill and move forward, when receiving native fill and moving forward, the horizontal trowelling plate is smeared the horizontal soil body in the slot, and the slope trowelling plate inclines to the slot side slope and is smeared, and meanwhile, collects the soil body of excavation when receiving native fill and advancing, the slot earthwork is difficult for collapsing during the excavation, and the soil is arranged simultaneously, and is efficient, and the activity duration is short.

In a preferred scheme, the inclined troweling plate is an inclined flat plate, and an open groove is formed in one end of the inclined troweling plate. Simple structure, during the use, the rotatory cutting mechanism that is located the open slot front end carries out inclined plane straight line cutting to basic slot side slope earthwork slope straight line cutting, and the domatic cutting mechanism that is located the open slot carries out inclined plane straight line cutting to the earthwork that has cut, and the cutting plane and the slope trowelling plate of inclined plane straight line cutting are the same face, when receiving the soil fill and advancing, are trowelled by the slope trowelling plate, and the side slope atress compresses tightly when floating, is difficult for collapsing.

In a preferred scheme, one end of the horizontal troweling plate, which is close to the open slot, is of a triangular structure. Simple structure, during the use, after rotatory cutting mechanism and domatic cutting mechanism cut the side slope, decompose into a plurality of clods with the side slope soil body, fall the ditch inslot after the clod collapses, promote the soil body backward movement by the level trowelling plate and be blockked by the fender apron when receiving the soil fill and go forward, and the level trowelling plate is trowelled basic ditch groove bottom simultaneously, and the level trowelling plate resistance that the front end is the triangle-shaped structure is little.

In a preferred scheme, the rotary cutting mechanism comprises a support plate matched with two ends of a rotary shaft, a plurality of rotary knives positioned on the rotary shaft and a cross universal coupling connected with one end of the rotary shaft; the support plate is positioned at two sides of the open slot and connected with the open slot. Simple structure, during the use, cross universal coupling gives the rotation axis with the moment of torsion transmission, and the rotation axis drives the rotatory domatic earthwork of cutting of revolving knife.

In a preferred scheme, the rotating shaft is of an inclined structure, and the universal joint cross is connected with one lower end. The universal joint has a simple structure, when the universal joint is used, the cross universal coupling is connected with the wheel shaft to form an included angle with the rotating shaft, and the torque can be transmitted to the rotating shaft even if the wheel jolts during traveling.

In a preferred scheme, the slope cutting mechanism comprises a cutting motor connected with the bracket and a slope cutting knife connected with an output shaft of the cutting motor. Simple structure, during the use, the domatic cutting knife of cutting motor drive is rotatory, and domatic cutting knife cuts once more to the earthwork that rotation cutting mechanism has cut, makes the side slope earthwork decompose into a plurality of clods.

In a preferred scheme, the bracket is a groove wall with a downward opening and is connected with two sides of the open groove, and the slope cutting knife is obliquely suspended below the bracket. Simple structure, during the use, the support supports the cutting motor, and the domatic cutting knife of being connected with cutting motor output shaft is in the slope state of dangling, does not take place to interfere with the rotary cutter of rotatory cutting mechanism when making domatic cutting knife rotatory.

In a preferred scheme, the soil discharging mechanism comprises a soil conveying motor connected with one end of a soil conveying pipe and a spiral piece positioned in the soil conveying pipe and connected with an output shaft of the soil conveying motor, the soil conveying pipe positioned at one end of the soil conveying motor is provided with the soil discharging pipe, and the other end of the soil conveying pipe is provided with a soil inlet. The soil conveying motor is used for driving the spiral piece to rotate to convey soil upwards along the soil conveying pipe to the soil discharging pipe to be discharged.

In a preferred scheme, an output shaft of the soil transporting motor is matched with sealing plates at two ends of the soil transporting pipe; the pipe orifice of the waste discharge pipe faces downwards, and the opening of the waste inlet faces upwards. Simple structure, during the use, the opening of advancing soil mouthful is buried by the soil body up, and in the helical blade got into the soil conveying pipe when rotatory, the soil body was carried to soil conveying pipe upper end and is discharged from the soil discharging pipe that the opening is down, and the discharged soil body falls outside the basic slot, discharges the soil body when making the slot side slope excavation.

The utility model provides a pipeline under pressure slot basis side slope excavation device, it is including receiving the native fill, rotatory cutting mechanism, domatic cutting mechanism and dumping mechanism, through set up rotatory cutting mechanism and domatic cutting mechanism in the open slot front end top that receives the native fill, domatic cutting knife is located behind the rotary knife, the soil inlet of dumping mechanism gos deep into to receive the native fill in, the dumping pipe stretches out outside receiving the native fill, the slope earthwork of straight line cutting of slope is driven to the rotatory sword of cross universal coupling transmission torque drive through rotatory cutting mechanism, cutting motor drive domatic cutting knife inclined plane straight line cutting slope earthwork through domatic cutting mechanism, collect the soil body after the cutting through receiving the native fill, discharge the soil body outside the slot through dumping mechanism. The utility model overcomes when the foundation ditch inslot is collapsed easily to the earthwork when former water power plant pipeline under pressure side slope excavation, need adopt the excavator once more to carry out the operation of dumping, the operation period is long, the problem of inefficiency has simple structure, and the ditch groove side slope earthwork is difficult to collapse after the excavation, the dumping in the time of operation, the activity duration is short, and is efficient, characteristics that easy operation is convenient.

Drawings

The invention will be further explained with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of fig. 1.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a schematic top view of fig. 2.

Fig. 5 is a schematic cross-sectional view at a-a of fig. 4.

In the figure: the soil collection device comprises a soil collection hopper 1, a horizontal trowelling plate 11, an inclined trowelling plate 12, a soil retaining plate 13, an open slot 14, a rotary cutting mechanism 2, a rotary shaft 21, a support plate 22, a rotary knife 23, a cross universal coupling 24, a slope cutting mechanism 3, a support 31, a cutting motor 32, a slope cutting knife 33, a soil discharging mechanism 4, a soil conveying pipe 41, a soil conveying motor 42, a spiral piece 43, a soil discharging pipe 44 and a soil inlet 45.

Detailed Description

As shown in fig. 1 to 5, a pressure pipeline trench foundation slope excavation device comprises a soil collection hopper 1, a rotary cutting mechanism 2, a slope surface cutting mechanism 3 and a soil discharging mechanism 4; the slope surface cutting mechanism 3 and the rotary cutting mechanism 2 are connected with the inclined troweling plate 12 of the soil collection hopper 1, the rotary cutting mechanism 2 is positioned in front of the slope surface cutting mechanism 3, a soil inlet 45 of the soil discharging mechanism 4 extends into the soil collection hopper 1, and a soil discharging pipe 44 extends out of the soil collection hopper 1; the rotary cutter 23 of the rotary cutting mechanism 2 is positioned above the front end of the open slot 14 of the soil collecting hopper 1, and the slope cutting knife 33 of the slope cutting mechanism 3 is positioned in the open slot 14 of the soil collecting hopper 1 and is positioned on the same horizontal plane with the open slot. Simple structure, through set up rotatory cutting mechanism 2 and domatic cutting mechanism 3 above the open slot 14 front end of receipts soil fill 1, domatic cutting knife 33 is located behind rotary knife 23, soil inlet 45 of dumping mechanism 4 deepens into receipts soil fill 1, the pipe for dumping 44 stretches out outside receipts soil fill 1, the slope earthwork of slope is cut to the cross universal coupling 24 transmission torque drive rotary knife 23 slope straight line through rotatory cutting mechanism 2, cutting motor 32 drive domatic cutting knife 33 inclined plane straight line through domatic cutting mechanism 3 cuts the slope earthwork, collect the soil body after the cutting through receiving soil fill 1, discharge the soil body outside the slot through dumping mechanism 4, the slot slope earthwork is difficult for collapsing after the excavation, the dumping in the operation, the activity duration is short, high efficiency, easy operation is convenient.

In a preferred scheme, the soil collecting hopper 1 comprises an inclined trowel plate 12 connected with a horizontal trowel plate 11, and a soil retaining plate 13 connected with the horizontal trowel plate 11 and the inclined trowel plate 12. Simple structure, during the use, drive receipts soil fill 1 and move forward when excavating equipment gos forward, when receiving soil fill 1 and move forward, horizontal trowelling plate 11 screeds the horizontal soil body in the slot, and slope trowelling plate 12 inclines and screeds the slot side slope, and meanwhile, receives the soil body of collecting the excavation when soil fill 1 gos forward, and the slot earthwork is difficult for collapsing during the excavation, and the soil is arranged simultaneously, and is efficient, and the activity duration is short.

Preferably, the inclined trowel 12 is in line with the slope of the base trench design and the horizontal trowel 11 is in line with the levelness of the base trench design.

Preferably, the retaining plate 13 is fixedly connected to the excavating equipment in the trench during installation so that the soil collecting bucket 1 advances with the excavating equipment.

In a preferred scheme, the inclined troweling plate 12 is an inclined flat plate, and an open groove 14 is formed at one end. Simple structure, during the use, the slope straight line cutting is carried out to basic slot side slope earthwork to the rotatory cutting mechanism 2 that is located open slot 14 front end, and domatic cutting mechanism 3 that is located open slot 14 carries out the slope straight line cutting to the earthwork that has cut, and the cutting plane of slope straight line cutting is with slope trowelling plate 12 is the same face, when receiving soil fill 1 and advancing, is screeded by slope trowelling plate 12, and the side slope atress compresses tightly when screeding, is difficult for collapsing.

In a preferred scheme, one end of the horizontal troweling plate 11 close to the open slot 14 is in a triangular structure. Simple structure, during the use, after rotatory cutting mechanism 2 and domatic cutting mechanism 3 cut the side slope, decompose into a plurality of clods with the side slope soil body, fall the ditch inslot after the clod, receive soil fill 1 to go forward in promote the soil body backward movement by horizontal trowelling plate 11 and be blockked by fender apron 13, and horizontal trowelling plate 11 is trowelled basic ditch groove bottom simultaneously, and the front end is that the horizontal trowelling plate 11 resistance of triangle-shaped structure is little.

In a preferred scheme, the rotary cutting mechanism 2 comprises a support plate 22 matched with two ends of a rotating shaft 21, a plurality of rotary knives 23 positioned on the rotating shaft 21, and a cross universal coupling 24 connected with one end of the rotating shaft 21; the support plate 22 is connected to the open slot 14 on both sides thereof. Simple structure, during the use, cross universal joint 24 transmits the moment of torsion to rotation axis 21, and rotation axis 21 drives rotatory sword 23 rotation cutting domatic earthwork.

Preferably, the universal joint cross 24 is connected to the end of the wheel shaft of the excavating equipment, and when the wheel rolls, the universal joint cross 24 is driven to rotate to transmit the torque to the rotating shaft 21.

Preferably, the rotary knife 23 is a disc-shaped cutting knife having a cutting edge perpendicular to the inclined trowel plate 12.

In a preferred embodiment, the rotating shaft 21 is an inclined structure, and the universal joint cross 24 is connected to a lower end thereof. The structure is simple, when in use, the cross universal coupling 24 and the wheel shaft are connected to form an included angle with the rotating shaft 21, and the torque can be transmitted to the rotating shaft 21 even if the wheel bumps during running.

Preferably, the inclination of the rotation axis 21 coincides with the inclination of the inclined trowel plate 12.

In a preferred scheme, the slope cutting mechanism 3 comprises a cutting motor 32 connected with the bracket 31 and a slope cutting knife 33 connected with an output shaft of the cutting motor 32. Simple structure, during the use, cutting motor 32 drive domatic cutting knife 33 is rotatory, and domatic cutting knife 33 cuts once more to the earthwork that rotation cutting mechanism 2 has cut, makes the side slope earthwork decompose into a plurality of clods.

Preferably, the cutting surface of the ramping cutter 33 is perpendicular to the cutting surface of the rotary cutting mechanism 2.

Preferably, the dome cutter 33 is a disc cutter.

Preferably, the power supply for the cutting motor 32 is introduced from the power supply system of the excavating equipment.

In a preferred scheme, the bracket 31 is a groove wall with a downward opening, and is connected with two sides of the open groove 14, and the slope cutting knife 33 is obliquely suspended below the bracket 31. Simple structure, during the use, support 31 supports cutting motor 32, and the domatic cutting knife 33 with cutting motor 32 output shaft is in the slope state of dangling, does not take place to interfere with the rotary cutter 23 of rotatory cutting mechanism 2 when making domatic cutting knife 33 rotatory.

In a preferred scheme, the soil discharging mechanism 4 comprises a soil conveying motor 42 connected with one end of a soil conveying pipe 41, and a spiral piece 43 positioned in the soil conveying pipe 41 and connected with an output shaft of the soil conveying motor 42, wherein a soil discharging pipe 44 is arranged on the soil conveying pipe 41 positioned at one end of the soil conveying motor 42, and a soil inlet 45 is arranged at the other end of the soil conveying pipe 41. The soil body after slope cutting gradually collapses into the soil collecting hopper 1 during use, the soil inlet 45 is buried by the soil body, and the soil conveying motor 42 drives the spiral sheet 43 to rotate to convey the soil body upwards along the soil conveying pipe 41 to the soil discharging pipe 44 to be discharged.

In a preferred scheme, an output shaft of the soil transporting motor 42 is matched with sealing plates at two ends of the soil transporting pipe 41; the opening of the waste discharge pipe 44 faces downward, and the opening of the waste inlet 45 faces upward. Simple structure, during the use, when advancing soil inlet 45's opening upwards by soil body buries, during helical fin 43 rotatory entering soil conveying pipe 41, the soil body is carried to soil conveying pipe 41 upper end and is discharged from opening exhaust pipe 44 down, and the discharged soil body falls outside the basic slot, discharges the soil body when making the slot side slope excavation.

When the pipeline under pressure trench foundation side slope excavating device is installed and used, the rotary cutting mechanism 2 and the slope cutting mechanism 3 are arranged above the front end of the open slot 14 of the soil collecting hopper 1, the slope cutting knife 33 is positioned behind the rotary knife 23, the soil inlet 45 of the soil discharging mechanism 4 is deep into the soil collecting hopper 1, the soil discharging pipe 44 extends out of the soil collecting hopper 1, the cross universal coupling 24 of the rotary cutting mechanism 2 transmits torque to drive the rotary knife 23 to obliquely and linearly cut the side slope earthwork, the cutting motor 32 of the slope cutting mechanism 3 drives the slope cutting knife 33 to linearly cut the slope earthwork, the soil collecting hopper 1 collects cut soil, the soil discharging mechanism 4 discharges the soil out of the trench, the trench side slope earthwork after excavation is not easy to collapse, the soil is discharged during operation, the operation time is short, the efficiency is high, and the operation is simple and convenient.

When the soil collection bucket is used, the soil collection bucket 1 is driven to move forwards when the excavating equipment moves forwards, when the soil collection bucket 1 moves forwards, the horizontal trowelling plate 11 trowels the horizontal soil body in the groove, the inclined trowelling plate 12 trowels the groove side slope in an inclined mode, meanwhile, the excavated soil body is collected when the soil collection bucket 1 moves forwards, the groove earthwork is not prone to collapse during excavation, meanwhile, soil is discharged, efficiency is high, and operation time is short.

When the soil receiving bucket is used, the rotary cutting mechanism 2 located at the front end of the open slot 14 linearly cuts foundation trench side slope earthwork in an inclined mode, the slope surface cutting mechanism 3 located in the open slot 14 linearly cuts the cut earthwork in an inclined plane, a cutting surface of the inclined plane linear cutting and the inclined troweling plate 12 are in the same plane, when the soil receiving bucket 1 moves forward, the inclined troweling plate 12 troweling is used for troweling, the side slope is pressed by stress while being trowelled, and the side slope is not prone to collapse.

During the use, after rotatory cutting mechanism 2 and domatic cutting mechanism 3 cut the side slope, decompose into a plurality of clods with the side slope soil body, fall to the ditch inslot after the clod collapses, receive soil fill 1 and advance simultaneously by horizontal trowelling plate 11 promotion soil body backward movement by fender apron 13 and block, horizontal trowelling plate 11 is trowelled basic ditch groove bottom simultaneously, the front end is the horizontal trowelling plate 11 resistance of triangle-shaped structure for little.

When the universal joint is used, the cross universal coupling 24 transmits torque to the rotating shaft 21, and the rotating shaft 21 drives the rotating knife 23 to rotate and cut slope earthwork.

When the universal joint cross 24 is used, the shaft of the wheel and the shaft of the wheel form an included angle with the rotating shaft 21, and the universal joint cross can transmit torque to the rotating shaft 21 even if the wheel bumps during running.

During the use, cutting motor 32 drive domatic cutting knife 33 is rotatory, and domatic cutting knife 33 cuts once more to the earthwork that rotation cutting mechanism 2 has cut, makes the side slope earthwork decompose into a plurality of clods.

During the use, support 31 supports cutting motor 32, and the domatic cutting knife 33 with cutting motor 32 output shaft is in the slope state of dangling, does not take place to interfere with the rotary cutter 23 of rotatory cutting mechanism 2 when making domatic cutting knife 33 rotatory.

When the soil collecting device is used, soil bodies cut on the side slope gradually collapse into the soil collecting hopper 1, the soil inlet 45 is buried by the soil bodies, and the soil conveying motor 42 drives the spiral piece 43 to rotate so as to convey the soil bodies upwards along the soil conveying pipe 41 to the soil discharging pipe 44 to be discharged.

When the soil conveying pipe is used, when the opening of the soil inlet 45 is upwards buried by soil, the spiral sheets 43 enter the soil conveying pipe 41 when rotating, the soil is conveyed to the upper end of the soil conveying pipe 41 and discharged from the soil discharging pipe 44 with the downward opening, and the discharged soil falls outside the foundation trench, so that the soil is discharged while the trench side slope is excavated.

The above embodiments are merely preferred technical solutions of the present invention, and should not be considered as limitations of the present invention, and the features in the embodiments and the examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention shall be defined by the claims and the technical solutions described in the claims, including the technical features of the equivalent alternatives as the protection scope. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims (10)

1. The utility model provides a pipeline under pressure slot basis side slope excavation device which characterized by: the soil collecting and discharging device comprises a soil collecting hopper (1), a rotary cutting mechanism (2), a slope surface cutting mechanism (3) and a soil discharging mechanism (4); the slope cutting mechanism (3) and the rotary cutting mechanism (2) are connected with an inclined troweling plate (12) of the soil collection hopper (1), the rotary cutting mechanism (2) is positioned in front of the slope cutting mechanism (3), a soil inlet (45) of the soil discharging mechanism (4) extends into the soil collection hopper (1), and a soil discharging pipe (44) extends out of the soil collection hopper (1); the rotary cutter (23) of the rotary cutting mechanism (2) is positioned above the front end of the open slot (14) of the soil collecting bucket (1), and the slope cutting knife (33) of the slope cutting mechanism (3) is positioned in the open slot (14) of the soil collecting bucket (1) and is positioned on the same horizontal plane with the open slot.

2. The pressure pipeline trench foundation slope excavation device of claim 1, wherein: the soil receiving bucket (1) comprises an inclined trowelling plate (12) connected with the horizontal trowelling plate (11) and a soil retaining plate (13) connected with the horizontal trowelling plate (11) and the inclined trowelling plate (12).

3. The pressure pipeline trench foundation slope excavation device of claim 2, wherein: the inclined troweling plate (12) is an inclined plate, and an open groove (14) is formed in one end of the inclined troweling plate.

4. The pressure pipeline trench foundation slope excavation device of claim 2, wherein: one end of the horizontal troweling plate (11) close to the open slot (14) is of a triangular structure.

5. The pressure pipeline trench foundation slope excavation device of claim 1, wherein: the rotary cutting mechanism (2) comprises a support plate (22) matched with two ends of the rotary shaft (21), a plurality of rotary knives (23) positioned on the rotary shaft (21), and a cross universal coupling (24) connected with one end of the rotary shaft (21); the support plate (22) is positioned at two sides of the open slot (14) and connected with the open slot.

6. The pressure pipeline trench foundation slope excavation device of claim 5, wherein: the rotating shaft (21) is of an inclined structure, and the cross universal coupling (24) is connected with one lower end.

7. The pressure pipeline trench foundation slope excavation device of claim 1, wherein: the slope cutting mechanism (3) comprises a cutting motor (32) connected with the support (31) and a slope cutting knife (33) connected with an output shaft of the cutting motor (32).

8. The pressure pipeline trench foundation slope excavation device of claim 7, wherein: the bracket (31) is a groove wall with a downward opening and is connected with two sides of the open groove (14), and the slope cutting knife (33) is obliquely suspended below the bracket (31).

9. The pressure pipeline trench foundation slope excavation device of claim 1, wherein: the soil discharging mechanism (4) comprises a soil conveying motor (42) connected with one end of the soil conveying pipe (41) and a spiral piece (43) which is positioned in the soil conveying pipe (41) and connected with an output shaft of the soil conveying motor (42), the soil discharging pipe (44) is arranged on the soil conveying pipe (41) positioned at one end of the soil conveying motor (42), and a soil inlet (45) is formed at the other end of the soil conveying pipe (41).

10. The pressure pipeline trench foundation slope excavation device of claim 9, wherein: an output shaft of the soil conveying motor (42) is matched with sealing plates at two ends of the soil conveying pipe (41); the opening of the soil discharging pipe (44) faces downwards, and the opening of the soil inlet (45) faces upwards.

Images