CN112726699A - Equipment for trench excavation - Google Patents
Equipment for trench excavation Download PDFInfo
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- CN112726699A CN112726699A CN202011547005.8A CN202011547005A CN112726699A CN 112726699 A CN112726699 A CN 112726699A CN 202011547005 A CN202011547005 A CN 202011547005A CN 112726699 A CN112726699 A CN 112726699A
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- shaft
- rod
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- bucket
- crank
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- 238000009412 basement excavation Methods 0.000 title claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000004575 stone Substances 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/401—Buckets or forks comprising, for example, shock absorbers, supports or load striking scrapers to prevent overload
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/36—Component parts
- E02F3/3604—Devices to connect tools to arms, booms or the like
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/965—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of metal-cutting or concrete-crushing implements
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/966—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements of hammer-type tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses equipment for excavating a ditch, which belongs to the field of hydraulic engineering machinery and is characterized in that: comprises a vehicle body, a bucket, a big arm and a small arm; the front end of the big arm is connected with the bucket, and the rear end of the big arm is connected with the vehicle body; a power device is arranged in the vehicle body; the vehicle body is provided with a crank, a first rocker and a second rocker; one end of the crank is arranged on the vehicle body; the other end of the crank is hinged with the middle position of the big arm; one end of the first rocker is hinged with the vehicle body, and the other end of the first rocker is hinged with the rear end of the large arm; a cavity is arranged in the front wall of the bucket, and an impact device is arranged in the cavity; the impact device comprises a small crank, a connecting rod, an impact hammer and an impact drill rod. Compared with the prior art have the characteristics that can automatic broken stone.
Description
Technical Field
The invention relates to a hydraulic engineering machine, in particular to equipment for excavating a ditch.
Background
In the construction of hydraulic engineering, the construction of trench excavation is an important construction link, the trench excavation mode is mainly operated by manually operating an excavator at present, and the movement of an excavator bucket is slow, so the excavation efficiency of the excavator is low; in addition, the excavator is operated manually, and the excavating process consumes manpower. In addition, once hard stones are encountered in the trenching construction process, common excavators and trenching machines cannot dig, and the construction can be continued after the stones are impacted and broken by using equipment such as breaking hammers, so that the construction efficiency is greatly influenced.
Disclosure of Invention
The technical task of the invention is to provide equipment for excavating the ditch aiming at the defects of the prior art.
The technical scheme for solving the technical problem is as follows: an equipment for ditch excavation, its characterized in that: comprises a vehicle body, a bucket, a big arm and a small arm; the front end of the big arm is connected with the bucket, and the rear end of the big arm is connected with the vehicle body; a power device is arranged in the vehicle body; the vehicle body is provided with a crank, a first rocker and a second rocker; one end of the crank is arranged on the vehicle body; the other end of the crank is hinged with the middle position of the big arm; one end of the first rocker is hinged with the vehicle body, and the other end of the first rocker is hinged with the rear end of the large arm; the second rocker is hinged with the vehicle body and is of a hollow cylinder structure; the large arm is provided with a V-shaped rod, the middle corner of the V-shaped rod is hinged with the large arm, one end of the V-shaped rod is hinged with the rear end of the small arm, and the front end of the small arm is hinged with the bucket; the other end of the V-shaped rod is inserted into the second rocker; the left side and the right side of the bucket are respectively provided with a side wall, and the lower edge of each side wall is hinged with the bucket; a spring piece is arranged in the middle of the outer side surface of the side wall, the head end of the spring piece is connected with the side wall through a rotating shaft structure, and the tail end of the spring piece is tilted outwards; the power device of the vehicle body is firstly connected with a first shaft through a transmission mechanism, one section of the first shaft is of a spline structure, a first gear and a second gear are arranged at the spline structure and fixedly connected, and spline holes matched with the spline structure are formed in the axle centers of the first gear and the second gear; a gear shifting fork is arranged between the first gear and the second gear; a second shaft and a third shaft are respectively arranged at the first shaft, wherein the third shaft is a hollow shaft, and the second shaft penetrates through the axis of the third shaft; a third gear matched with the first gear is arranged on the second shaft, and a fourth gear matched with the second gear is arranged on the third shaft; when the first gear and the second gear slide left and right, the first gear can be meshed with the third gear or the second gear can be meshed with the fourth gear respectively; in a natural state, the first gear is meshed with the third gear; the third shaft is connected with the fourth shaft through a transmission mechanism, a fifth shaft is arranged at the fourth shaft, the fifth shaft is a hollow shaft, and the fourth shaft penetrates through the fifth shaft; the outer end of the fifth shaft is fixed on the crank; a disc structure is fixedly arranged on the fifth shaft, a series of teeth are arranged on the edge of the disc structure, and a T-shaped piece is arranged on one side of each tooth; a cylindrical shell structure is arranged on the fifth shaft, an opening is formed in the axis of the cylindrical shell structure, the fifth shaft penetrates through the opening, and the cylindrical shell structure and the fifth shaft can rotate; the disc structure and the T-shaped piece are positioned in the cylindrical shell structure; the T-shaped part comprises a cross rod and a longitudinal rod, the end part of the longitudinal rod is fixed in the middle of the cross rod, one end of the cross rod of the T-shaped part is hinged with the cylindrical shell structure, and the other end of the cross rod of the T-shaped part is propped against one side of the teeth of the disc structure; a series of openings are arranged on the side wall of the cylindrical shell structure, and the end part of the T-shaped piece longitudinal rod is positioned at the openings; an elastic element is arranged between the T-shaped piece and the cylindrical shell structure, and elastic force is applied to the T-shaped piece under the action of the elastic element, and the direction of the elastic force is along the direction of the teeth of the disc structure propped against the T-shaped piece; when the T-shaped piece rotates outwards, the end part of the T-shaped piece longitudinal rod is exposed out of the opening of the cylindrical shell structure, and a ratchet structure is formed after the end part of the T-shaped piece longitudinal rod is exposed; a series of pawls are arranged on the outer side of the cylindrical shell structure; a push rod and an arc-shaped rod are arranged on the outer side of the cylindrical shell structure, one end of the push rod is fixed on the arc-shaped rod, a push rod spring is arranged on the push rod, and the arc-shaped rod is tightly attached to the side wall of the cylindrical shell structure under the thrust action of the push rod spring; the other end of the push rod is connected with an L-shaped rod, the middle corner of the L-shaped rod is hinged with the vehicle body, the L-shaped rod comprises a horizontal arm and a vertical arm, the end part of the horizontal arm is hinged with the upper end of the push rod, and the end part of the vertical arm is connected with the gear shifting fork; the crank and the big arm are hollow shell structures, and a transmission mechanism is arranged in the crank and the big arm; the outer end part of the fourth shaft is positioned in the crank; the crank and the large arm are connected through a hollow shaft, a sixth shaft penetrates through the hollow shaft between the crank and the large arm respectively, power is transmitted into the large arm through the sixth shaft, and a transmission mechanism is arranged in the large arm; a series of bucket teeth are arranged on the upper edge of the front wall of the bucket, a cavity is arranged in the front wall of the bucket, and an impact device is arranged in the cavity; the impact device comprises a small crank, a connecting rod, an impact hammer and an impact drill rod; the impact hammer slides back and forth along the length direction of the cavity; two ends of the connecting rod are respectively fixedly connected with the outer end of the small crank and the rear end of the impact hammer, and the small crank, the connecting rod and the impact hammer form a crank-slider mechanism; the impact drill rod is positioned in front of the impact hammer, the front end of the impact drill rod extends out of the cavity of the front wall of the bucket, and the extending part of the front end of the impact drill rod forms a bucket tooth structure of the bucket; the middle rear part of the impact drill rod is positioned in the cavity of the front wall of the bucket, and a return spring is arranged between the impact drill rod and the front wall of the bucket.
The resilient member may be a spring, torsion spring or other member capable of providing a resilient force to the tee.
Compared with the prior art, the invention has the following outstanding beneficial effects:
1. the excavating efficiency is high;
2. the automatic operation can be realized, and the labor is saved;
3. rock in the formation can be impacted.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic diagram of the excavation process movement of the present invention.
FIG. 3 is a schematic view of a bucket sidewall configuration.
FIG. 4 is a schematic bucket sidewall deployment.
Fig. 5 is a schematic view of a power transmission structure.
Fig. 6 is a schematic structural diagram of a cylindrical shell structure and related parts.
Fig. 7 is a partially enlarged schematic view of fig. 6.
Fig. 8 is a schematic view of the structure of the impact device in the bucket.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
As shown in fig. 1 to 8, the present invention includes a vehicle body 10, a bucket 1, a large arm 5, and a small arm 4.
The front end of the big arm 5 is connected with the bucket 1, and the rear end is connected with the vehicle body 10. Wherein the number of the large arms 5 may be one or more. The vehicle body 10 is provided with a power unit, and the boom 5 and the bucket 1 are driven by the power unit to operate. The vehicle body 10 is provided with a crank 6, a first rocker 9 and a second rocker 8. One end of the crank 6 is arranged on the vehicle body 10, the crank 6 can be driven to rotate through a power device in the vehicle body 10, and the crank 6 rotates along the sequence of front-up-back-down; the other end of the crank 6 is hinged with the middle position of the big arm 5. One end of the first rocker 9 is hinged with the vehicle body 10, and the other end of the first rocker 9 is hinged with the rear end of the large arm 5. The second rocker 8 is hinged with the vehicle body 10, and the second rocker 8 is of a hollow cylinder structure. The upper arm 5 is provided with a V-shaped rod 7, the middle corner of the V-shaped rod 7 is hinged with the upper arm 5, one end of the V-shaped rod 7 is hinged with the rear end of the small arm 4, and the front end of the small arm 4 is hinged with the bucket 1. The other end of the V-shaped rod 7 is inserted into the second rocker 8. The left side and the right side of the bucket 1 are respectively provided with a side wall 3, and the lower edge of each side wall 3 is hinged with the bucket 1. The middle position of the outer side surface of the side wall 3 is provided with a spring piece 2, the head end of the spring piece 2 is connected with the side wall 3 through a rotating shaft structure, the spring piece 2 can freely rotate around the head end, and the tail end of the spring piece 2 tilts outwards.
As shown in FIG. 1, the crank 6, the boom 5 and the rocker form a crank 6 rocker mechanism, when the crank 6 rotates, the boom 5 is driven to move, and the boom 5 drives the bucket 1 to do digging motion. When the big arm 5 moves, the V-shaped rod 7 moves synchronously with the big arm 5, the relative position between the V-shaped rod 7 and the second rocker 8 changes, so that the angle of the V-shaped rod 7 changes, and the V-shaped rod 7 drives the bucket 1 to rotate through the small arm 4. When the crank 6 rotates to the lower end, the bucket 1 is positioned below, and the opening of the bucket 1 faces forwards; at the moment, the crank 6 rotates forwards and upwards, the bucket 1 moves forwards and upwards along with the crank, the opening of the bucket 1 rotates forwards and upwards, and the excavation process is realized while the bucket 1 moves; when the crank 6 is rotated from the highest position to the rear-lower direction, the bucket 1 is moved to the rear-lower direction, so that the bucket 1 is moved to the position of the bottom of the trench, and excavation is performed again. When the bucket 1 enters the ditch, the spring pieces 2 are pressed through two side edges of the ditch, and the spring pieces 2 press the side walls 3 of the bucket 1, so that the side walls 3 of the bucket 1 are closed; when the bucket 1 moves upwards to leave the ditch, the side walls 3 of the bucket 1 are opened, as shown in fig. 4, so that soil in the bucket 1 slides down to two sides along the side walls 3, sandy soil slides down to the ground at two sides of the ditch, and soil piles are kept at a certain distance from the ditch, and the sandy soil is prevented from sliding down into the ditch again.
As shown in fig. 5, the power unit of the vehicle body 10 is first connected to the first shaft 15 through the transmission mechanism, one section of the first shaft 15 is in a spline structure, the spline structure is provided with a first gear 18 and a second gear 16, the first gear 18 and the second gear 16 are fixedly connected, and the axial centers of the first gear 18 and the second gear 16 are spline holes matched with the spline structure. A shift fork 17 is arranged between the first gear 18 and the second gear 16, and the first gear 18 and the second gear 16 are driven to slide left and right along the first shaft 15 through the shift fork 17. The first shaft 15 is provided with a second shaft 12 and a third shaft 13 respectively, wherein the third shaft 13 is a hollow shaft, and the second shaft 12 penetrates through the axis of the third shaft 13. The second shaft 12 is provided with a third gear 19 matched with the first gear 18, and the third shaft 13 is provided with a fourth gear 14 matched with the second gear 16. When the first gear 18 and the second gear 16 slide left and right, the first gear 18 can be meshed with the third gear 19 or the second gear 16 can be meshed with the fourth gear 14. In a natural state, the first gear 18 is meshed with the third gear 19.
The third shaft 13 is connected with a fourth shaft 27 through a transmission mechanism, a fifth shaft 26 is arranged at the fourth shaft 27, the fifth shaft 26 is a hollow shaft, and the fourth shaft 27 penetrates through the fifth shaft 26. The outer end of the fifth shaft 26 is fixed on the crank 6, and the crank 6 can be driven to rotate when the fifth shaft 26 rotates. The fifth shaft 26 is fixedly provided with a disc structure 25, the edge of the disc structure 25 is provided with a series of teeth 32, and one side of the teeth 32 is provided with a T-shaped part 23. The fifth shaft 26 is provided with a cylindrical shell structure 24, an opening is arranged at the axis of the cylindrical shell structure 24, the fifth shaft 26 penetrates through the opening, and the cylindrical shell structure 24 and the fifth shaft 26 can rotate. The disc structure 25 and the tee 23 are located within a cylindrical housing structure 24. The T-shaped part 23 comprises a cross rod and a longitudinal rod, the end part of the longitudinal rod is fixed in the middle of the cross rod, one end of the cross rod of the T-shaped part 23 is hinged with the cylindrical shell structure 24, and the other end of the cross rod of the T-shaped part 23 is propped against one side of the disc structure tooth 32. The side wall of the cylindrical housing structure 24 is provided with a series of openings at which the ends of the longitudinal bars of the T-shaped members 23 are located. An elastic element 31 is arranged between the T-shaped part 23 and the cylindrical shell structure 24, and elastic force is applied to the T-shaped part 23 through the action of the elastic element 31, and the direction of the elastic force is along the direction that the T-shaped part 23 is pressed against the teeth 32 of the disc structure. The resilient member 31 may be a spring, torsion spring or other member capable of providing a resilient force to the tee 23. The ends of the longitudinal rods of the T-shaped pieces 23 are located at the inner sides of the openings of the cylindrical shell structures 24 in the natural state, when the T-shaped pieces 23 rotate outwards, the ends of the longitudinal rods of the T-shaped pieces 23 are exposed out of the openings of the cylindrical shell structures 24, and as shown in fig. 7, the ratchet structures are formed after the ends of the longitudinal rods of the T-shaped pieces 23 are exposed. The outer side of the cylindrical housing structure 24 is provided with a series of pawls 30, by which ratchet pawl 30 structure the cylindrical housing structure 24 and the fifth shaft 26 are prevented from rotating in the reverse direction.
The outer side of the cylindrical shell structure 24 is provided with a push rod 21 and an arc rod 22, one end of the push rod 21 is fixed on the arc rod 22, the push rod 21 is provided with a push rod spring 29, and the arc rod 22 is tightly attached to the side wall of the cylindrical shell structure 24 under the thrust action of the push rod spring 29. When the T-shaped part 23 rotates outwards, the arc-shaped rod 22 and the push rod 21 can be pushed outwards for a certain distance through the end part of the longitudinal rod of the T-shaped part 23. The other end of the push rod 21 is connected with an L-shaped rod 20, the middle corner of the L-shaped rod 20 is hinged with the vehicle body 10, the L-shaped rod 20 comprises a horizontal arm and a vertical arm, the end part of the horizontal arm is hinged with the upper end of the push rod 21, and the end part of the vertical arm is connected with the shift fork 17. When the T-shaped part 23 rotates outwards, the arc-shaped rod 22 and the push rod 21 can be pushed out outwards for a certain distance through the end part of the longitudinal rod of the T-shaped part 23, the push rod 21 pushes the L-shaped rod 20 to move, the L-shaped rod 20 pulls the shift fork 17 to move, the first gear 18 and the second gear 16 are driven by the shift fork 17 to slide horizontally, the first gear 18 is separated from the third gear 19, and the second gear 16 is meshed with the fourth gear 14.
The crank 6 and the large arm 5 are hollow shell structures, and a transmission mechanism is arranged in the crank and the large arm. The outer end of the fourth shaft 27 is located inside the crank 6. The crank 6 is connected with the big arm 5 through a hollow shaft, a sixth shaft 28 penetrates through the hollow shaft between the crank 6 and the big arm 5 respectively, power is transmitted into the big arm 5 through the sixth shaft 28, a transmission mechanism is arranged in the big arm 5, and the transmission mechanism drives an impact device in the bucket 1 to work.
A series of bucket teeth 11 are arranged on the upper edge of the front wall of the bucket 1, a cavity is arranged inside the front wall of the bucket 1, and an impact device is arranged in the cavity. The said striking device comprises a small crank 37, a connecting rod 36, a striking hammer 35 and a striking rod 33. The hammer 35 slides back and forth along the length of the cavity. Two ends of the connecting rod 36 are respectively fixedly connected with the outer end of the small crank 37 and the rear end of the impact hammer 35, and the small crank 37, the connecting rod 36 and the impact hammer 35 form a crank 6 slider mechanism. The impact drill rod 33 is positioned in front of the impact hammer 35, the front end of the impact drill rod 33 extends out of a cavity of the front wall of the bucket 1, and the protruding part of the front end of the impact drill rod 33 forms a bucket tooth 11 structure of the bucket 1. The middle rear part of the impact drill rod 33 is positioned in a cavity of the front wall of the bucket 1, a return spring 34 is arranged between the impact drill rod 33 and the front wall of the bucket 1, the impact drill rod 33 is acted by the backward force of the return spring 34, and after the impact drill rod 33 extends forwards, the impact drill rod 33 is pulled backwards and returned by the action of the return spring 34. The small crank 37 is driven by a transmission mechanism in the large arm 5. The impact hammer 35 is driven by the small crank 37 through the connecting rod 36 to reciprocate back and forth, and the impact hammer 35 strikes the impact drill rod 33, so that the impact action of the impact drill rod 33 is realized. When the bucket 1 rocks, the rocks are broken up by the impact action of the impact rod 33 and can then be turned out of the soil.
The working principle is as follows: when the excavator is used for excavating, the power device of the excavator body 10 drives the first shaft 15 to rotate, the first shaft 15 drives the second shaft 12 to rotate through the first gear 18 and the third gear 19, the second shaft 12 drives the cylindrical shell structure 24 to rotate through the transmission mechanism, the cylindrical shell structure 24 pushes the disc structure 25 to rotate through the T-shaped part 23, then the fifth shaft 26 is driven to rotate, the crank 6 is driven to rotate through the fifth shaft 26, and the bucket 1 is driven to excavate through the crank 6 and the big arm 5. When a stone block is encountered in the excavation process, the bucket 1 is blocked and cannot move forwards continuously, at the same time, the disc structure 25 and the teeth 32 thereof are also blocked and cannot rotate continuously, the vehicle body 10 continuously provides power for the cylindrical shell structure 24, the cylindrical shell structure 24 drives the T-shaped part 23 to move forwards, the T-shaped part 23 is pushed backwards through the action of the teeth 32 of the disc structure, the T-shaped part 23 overcomes the elastic force of the elastic element 31 to rotate backwards by a certain angle, the end part of the longitudinal rod of the T-shaped part 23 extends out of the opening of the cylindrical shell structure 24, the arc-shaped rod 22 and the push rod 21 are pushed outwards, and the push rod 21 drives the first gear 18 and the second gear 16 to move through the L-shaped rod 20 and the gear shift fork 17, so that the first gear 18 is separated from the third gear 19, and the second gear 16 is meshed with the. Meanwhile, the end of the longitudinal rod of the T-shaped part 23 is exposed from the opening of the cylindrical shell structure 24 to form a ratchet structure, the cylindrical shell structure 24 and the disc structure 25 can be clamped through the action of the pawl 30, the cylindrical shell structure 24 loses power after the first gear 18 is separated from the third gear 19, and the cylindrical shell structure 24 and the disc structure 25 can be prevented from rotating in the reverse direction after the end of the longitudinal rod of the T-shaped part 23 is clamped, so that the bucket 1 can be prevented from moving in the reverse direction. After the second gear 16 is meshed with the fourth gear 14, the fourth shaft 27 is driven to rotate by the third shaft 13, the fourth shaft 27 drives the impact device to work by the crankshaft and a transmission mechanism in the large arm 5, and the impact drill rod 33 impacts the stone until the stone is crushed. After the stone is broken, the bucket 1 loses resistance and can move forward continuously, the T-shaped rod is driven to reset through the action of the elastic element 31, meanwhile, the arc-shaped rod 22 and the push rod 21 reset, the first gear 18 and the second gear 16 are driven to reset, so that the first gear 18 is meshed with the third gear 19, the crank 6 rotates continuously, and the bucket 1 can continue to dig; simultaneously, the second gear 16 and the fourth gear 14 are disengaged, and the impact device stops working.
Compared with an excavator for excavating, the excavator is simple in excavating action, does not need to carry out excessive manual operation, and is more suitable for automatic operation.
It should be noted that while the invention has been described in detail with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various obvious changes can be made therein without departing from the spirit and scope of the invention.
Claims (2)
1. An equipment for ditch excavation, its characterized in that: comprises a vehicle body, a bucket, a big arm and a small arm; the front end of the big arm is connected with the bucket, and the rear end of the big arm is connected with the vehicle body; a power device is arranged in the vehicle body; the vehicle body is provided with a crank, a first rocker and a second rocker; one end of the crank is arranged on the vehicle body; the other end of the crank is hinged with the middle position of the big arm; one end of the first rocker is hinged with the vehicle body, and the other end of the first rocker is hinged with the rear end of the large arm; the second rocker is hinged with the vehicle body and is of a hollow cylinder structure; the large arm is provided with a V-shaped rod, the middle corner of the V-shaped rod is hinged with the large arm, one end of the V-shaped rod is hinged with the rear end of the small arm, and the front end of the small arm is hinged with the bucket; the other end of the V-shaped rod is inserted into the second rocker; the left side and the right side of the bucket are respectively provided with a side wall, and the lower edge of each side wall is hinged with the bucket; a spring piece is arranged in the middle of the outer side surface of the side wall, the head end of the spring piece is connected with the side wall through a rotating shaft structure, and the tail end of the spring piece is tilted outwards; the power device of the vehicle body is firstly connected with a first shaft through a transmission mechanism, one section of the first shaft is of a spline structure, a first gear and a second gear are arranged at the spline structure and fixedly connected, and spline holes matched with the spline structure are formed in the axle centers of the first gear and the second gear; a gear shifting fork is arranged between the first gear and the second gear; a second shaft and a third shaft are respectively arranged at the first shaft, wherein the third shaft is a hollow shaft, and the second shaft penetrates through the axis of the third shaft; a third gear matched with the first gear is arranged on the second shaft, and a fourth gear matched with the second gear is arranged on the third shaft; when the first gear and the second gear slide left and right, the first gear can be meshed with the third gear or the second gear can be meshed with the fourth gear respectively; in a natural state, the first gear is meshed with the third gear; the third shaft is connected with the fourth shaft through a transmission mechanism, a fifth shaft is arranged at the fourth shaft, the fifth shaft is a hollow shaft, and the fourth shaft penetrates through the fifth shaft; the outer end of the fifth shaft is fixed on the crank; a disc structure is fixedly arranged on the fifth shaft, a series of teeth are arranged on the edge of the disc structure, and a T-shaped piece is arranged on one side of each tooth; a cylindrical shell structure is arranged on the fifth shaft, an opening is formed in the axis of the cylindrical shell structure, the fifth shaft penetrates through the opening, and the cylindrical shell structure and the fifth shaft can rotate; the disc structure and the T-shaped piece are positioned in the cylindrical shell structure; the T-shaped part comprises a cross rod and a longitudinal rod, the end part of the longitudinal rod is fixed in the middle of the cross rod, one end of the cross rod of the T-shaped part is hinged with the cylindrical shell structure, and the other end of the cross rod of the T-shaped part is propped against one side of the teeth of the disc structure; a series of openings are arranged on the side wall of the cylindrical shell structure, and the end part of the T-shaped piece longitudinal rod is positioned at the openings; an elastic element is arranged between the T-shaped piece and the cylindrical shell structure, and elastic force is applied to the T-shaped piece under the action of the elastic element, and the direction of the elastic force is along the direction of the teeth of the disc structure propped against the T-shaped piece; when the T-shaped piece rotates outwards, the end part of the T-shaped piece longitudinal rod is exposed out of the opening of the cylindrical shell structure, and a ratchet structure is formed after the end part of the T-shaped piece longitudinal rod is exposed; a series of pawls are arranged on the outer side of the cylindrical shell structure; a push rod and an arc-shaped rod are arranged on the outer side of the cylindrical shell structure, one end of the push rod is fixed on the arc-shaped rod, a push rod spring is arranged on the push rod, and the arc-shaped rod is tightly attached to the side wall of the cylindrical shell structure under the thrust action of the push rod spring; the other end of the push rod is connected with an L-shaped rod, the middle corner of the L-shaped rod is hinged with the vehicle body, the L-shaped rod comprises a horizontal arm and a vertical arm, the end part of the horizontal arm is hinged with the upper end of the push rod, and the end part of the vertical arm is connected with the gear shifting fork; the crank and the big arm are hollow shell structures, and a transmission mechanism is arranged in the crank and the big arm; the outer end part of the fourth shaft is positioned in the crank; the crank and the large arm are connected through a hollow shaft, a sixth shaft penetrates through the hollow shaft between the crank and the large arm respectively, power is transmitted into the large arm through the sixth shaft, and a transmission mechanism is arranged in the large arm; a series of bucket teeth are arranged on the upper edge of the front wall of the bucket, a cavity is arranged in the front wall of the bucket, and an impact device is arranged in the cavity; the impact device comprises a small crank, a connecting rod, an impact hammer and an impact drill rod; the impact hammer slides back and forth along the length direction of the cavity; two ends of the connecting rod are respectively fixedly connected with the outer end of the small crank and the rear end of the impact hammer, and the small crank, the connecting rod and the impact hammer form a crank-slider mechanism; the impact drill rod is positioned in front of the impact hammer, the front end of the impact drill rod extends out of the cavity of the front wall of the bucket, and the extending part of the front end of the impact drill rod forms a bucket tooth structure of the bucket; the middle rear part of the impact drill rod is positioned in the cavity of the front wall of the bucket, and a return spring is arranged between the impact drill rod and the front wall of the bucket.
2. An apparatus for trenching as defined in claim 1 wherein: the resilient member may be a spring, torsion spring or other member capable of providing a resilient force to the tee.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011547005.8A CN112726699A (en) | 2020-12-24 | 2020-12-24 | Equipment for trench excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011547005.8A CN112726699A (en) | 2020-12-24 | 2020-12-24 | Equipment for trench excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112726699A true CN112726699A (en) | 2021-04-30 |
Family
ID=75605173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011547005.8A Withdrawn CN112726699A (en) | 2020-12-24 | 2020-12-24 | Equipment for trench excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112726699A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1211462A (en) * | 1967-09-28 | 1970-11-04 | Svenska Hymas Ab | Improvements relating to excavating buckets |
| US4959915A (en) * | 1989-03-06 | 1990-10-02 | Caterpillar Inc. | Impact bucket apparatus |
| JPH08144315A (en) * | 1994-11-21 | 1996-06-04 | Sanwa Kiko Kk | Excavator |
| CN1671923A (en) * | 2002-01-24 | 2005-09-21 | 朱根·申克 | Milling device for floors, rock, excavated material or other material |
| CN209211520U (en) * | 2018-10-10 | 2019-08-06 | 黄家新 | A kind of hydraulic vibration power shovel and hydraulic vibration excavator |
| CN209620138U (en) * | 2018-12-08 | 2019-11-12 | 武汉中阳明建材有限公司 | A kind of forklift of included auxiliary shovel material device |
-
2020
- 2020-12-24 CN CN202011547005.8A patent/CN112726699A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1211462A (en) * | 1967-09-28 | 1970-11-04 | Svenska Hymas Ab | Improvements relating to excavating buckets |
| US4959915A (en) * | 1989-03-06 | 1990-10-02 | Caterpillar Inc. | Impact bucket apparatus |
| JPH04504152A (en) * | 1989-03-06 | 1992-07-23 | キャタピラー・インク | impact bucket device |
| JPH08144315A (en) * | 1994-11-21 | 1996-06-04 | Sanwa Kiko Kk | Excavator |
| CN1671923A (en) * | 2002-01-24 | 2005-09-21 | 朱根·申克 | Milling device for floors, rock, excavated material or other material |
| CN209211520U (en) * | 2018-10-10 | 2019-08-06 | 黄家新 | A kind of hydraulic vibration power shovel and hydraulic vibration excavator |
| CN209620138U (en) * | 2018-12-08 | 2019-11-12 | 武汉中阳明建材有限公司 | A kind of forklift of included auxiliary shovel material device |
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Application publication date: 20210430 |