CN112281953A - Excavator bucket for engineering construction - Google Patents
Excavator bucket for engineering construction Download PDFInfo
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- CN112281953A CN112281953A CN202011134549.1A CN202011134549A CN112281953A CN 112281953 A CN112281953 A CN 112281953A CN 202011134549 A CN202011134549 A CN 202011134549A CN 112281953 A CN112281953 A CN 112281953A
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- bottom cover
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- excavator
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 230000002829 reductive effect Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
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- 239000002699 waste material Substances 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
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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
- E02F3/40—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets
- E02F3/402—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors
- E02F3/404—Dippers; Buckets ; Grab devices, e.g. manufacturing processes for buckets, form, geometry or material of buckets with means for facilitating the loading thereof, e.g. conveyors comprising two parts movable relative to each other, e.g. for gripping
Abstract
The invention relates to an excavator component, and particularly discloses an excavator bucket for engineering construction, which comprises a frame-shaped bucket body, wherein a rope box is fixed in the bucket body, a rope wheel and a traction rope are arranged in the rope box, the rear end of the bucket body is rotationally fixed with a bottom cover, the upper end of the bottom cover is a traction part, the traction part is connected with the traction rope, the bucket capacity is reduced when the bottom cover rotates forwards, and otherwise, the bucket capacity is increased; the wheel shaft of the rope wheel is connected with a worm wheel, a worm meshed with the worm wheel and a motor device driving the worm to rotate are arranged in the inner cavity of the back plate, and bucket capacity adjustment can be achieved when the motor device drives the worm to rotate. The excavator bucket has a bucket capacity adjusting function, can be adjusted according to actual working conditions, and can improve the working efficiency to the maximum extent on the premise of ensuring the stable work of the excavator; the bucket capacity is convenient and quick to adjust and operate, and time and labor are saved; spare buckets do not need to be equipped, equipment acquisition cost is reduced, and the defects that the spare buckets consume manpower and reduce operation efficiency in transportation and disassembly and assembly are overcome.
Description
Technical Field
The invention relates to an accessory of engineering machinery, in particular to an excavator bucket for engineering construction.
Background
The bucket is an important component of the excavator, and the capacity, namely the bucket capacity, is one of the three most important parameters (the operation weight, the engine power and the bucket capacity) of the excavator. The bucket capacity of the original bucket is usually standard, and the original bucket cannot adapt to all working conditions, for example, for light materials with low density, the bucket with large bucket capacity should be selected to reduce power consumption and improve working efficiency, and for heavy materials with high density, the bucket with small bucket capacity should be selected to avoid overload of the excavator to ensure working stability. Consequently, the excavator need be equipped with the different reserve bucket of a plurality of buckets usually, it is required to handle different operating modes in the engineering construction, this current situation has many-sided weak point, on the one hand, the bucket greatly increased cost input of purchasing a plurality of specifications, on the other hand, the bucket is comparatively heavy usually, it is very inconvenient to transport and carry, dismouting operation when especially changing is accomplished by the manual work usually, waste time and energy, the cost of labor is high, on the other hand, the bucket specification of bucket is the ladder nature change in addition, it is usually difficult to adjust the bucket to best numerical value through the mode of changing the bucket.
Meanwhile, in the continuous operation process of the excavator, the situation that the material density changes greatly back and forth along with the operation progress exists sometimes, for example, in the excavation engineering with large depth span, the density of the soil on the upper layer is small, the density of the soil on the deep layer is large, and the density difference of the upper soil and the lower soil is obvious.
The existing bucket design recorded by literature documents has the scheme that the bucket capacity is designed to be adjustable, but the adjustment structure based on the adjustable bucket design is not scientific, the stability is generally poor, the adjustment is not convenient and quick enough, particularly, the adopted parameters such as the shape, the curve and the size are different from the existing bucket, the requirement of accumulated bucket processing parameters for a long time cannot be met, the good excavation performance cannot be realized, and the comprehensive technical effect is more beneficial and cannot be popularized and implemented.
Disclosure of Invention
The excavator bucket for engineering construction is based on scientific and reasonable structural design, has a bucket capacity adjusting function, is convenient and quick to adjust and operate, retains the advantages of core parameters of the existing excavator bucket, and can remarkably improve the operation efficiency of the excavator and ensure the working stability.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
an excavator bucket for engineering construction comprises a bucket body with an inner cavity, wherein a tooth seat plate is fixed at the lower part of the front end of the bucket body, side plates are respectively fixed at the left side and the right side of the front end, a back plate and a bucket ear plate provided with a bucket ear sleeve are fixed at the upper side of the bucket body, the back plate is in a bulge shape to form the inner cavity, and a tooth seat and bucket teeth are arranged at the front side of the tooth seat plate; the method is characterized in that: the rear end of the bucket body is open and is in a frame shape, a first hinged part is arranged at the rear lower end, the middle rear part of the inner side of the upper wall is an arc surface part, the arc surface part and the geometric central axes of the first hinged part are superposed and extend along the left-right direction, a rope box which is attached to the upper wall and extends forwards and backwards is fixed in the bucket body, a rope pulley is arranged in the front end of the rope box, a pulley is arranged in the rear end of the rope box, a traction rope is arranged in the rope box, the traction rope is wound around the pulley from the rear two ends and is respectively wound and fixed on the rope pulley in different winding directions, so that the traction rope is in a front-back tensioned state in the rope box and can carry out front-back transmission movement along with the rotation of the rope pulley, and a guide groove which; the rear part of the bucket body is provided with a bottom cover which is of a cover-shaped structure with an inner cavity, the rear end of the bottom cover is a backward arched bottom, the lower end of the bottom cover is provided with a second articulated part with a geometric central shaft extending along the left-right direction, and the upper end of the bottom cover is provided with a traction part; the second hinge part is hinged with the first hinge part, the traction part is in sliding fit with the guide groove and extends into the rope box to be fixedly connected with one position of the traction rope, so that the bottom cover is buckled at the rear part of the bucket body and can rotate in the bucket body along with the movement of the traction rope; in the rotating process of the bottom cover, the upper end moves close to the arc surface part, and the left end and the right end move close to the left inner side wall and the right inner side wall of the bucket body respectively, so that the bottom cover can always plug the rear port of the bucket body; the bucket capacity of the bottom cover rotating forwards is reduced, and the bucket capacity of the bottom cover rotating backwards is increased; the wheel shaft of the rope wheel extends upwards into the inner cavity of the back plate and is fixedly connected with a worm wheel, a worm meshed with the worm wheel and a motor device driving the worm to rotate are arranged in the inner cavity of the back plate, and when the motor device drives the worm to rotate, the traction rope drives the bottom cover to rotate and move through the traction part, so that bucket capacity adjustment is realized.
Compared with the prior art, the excavator bucket has the following technical effects:
the excavator bucket has a bucket capacity adjusting function, stepless adjustment can be performed on the bucket capacity of the excavator bucket according to actual working conditions, and the working efficiency can be improved to the maximum extent on the premise of ensuring stable operation of the excavator; the bucket capacity is adjusted on the basis of an electric mode, manual operation is not needed, convenience and rapidness are realized, time and labor are saved, and the bucket capacity adjusting device is particularly suitable for flexibly adjusting the bucket capacity in the midway of operation according to actual needs; the bucket has the bucket capacity adjusting function, so that spare buckets with different specifications do not need to be prepared according to the bucket capacity, the equipment purchase cost is greatly reduced, and the defects of labor consumption, influence on the operation efficiency and the like in the transportation, carrying, dismounting and mounting operations of the conventional spare buckets are overcome; in the bucket, the bucket body is used as a main part of the bucket and is a main part for determining the overall excavating performance of the bucket, and the scheme has no special requirements on parameters such as the shape, curve and size of the bucket body, so that when the bucket is processed and implemented, the bucket body can adopt the structural form of the main part of the existing bucket so as to continue the technical advantages of the existing bucket, such as contribution to material flowing, easiness in discharging materials, difficulty in spilling materials and the like, and the bucket is ensured to have good comprehensive excavating performance; meanwhile, the bucket capacity of the bucket is adjusted based on the rotation of the position of the bottom cover, and the shape of the bucket body is kept constant, so that the adjustment of the bucket capacity does not have obvious influence on the excavating performance of the bucket; after the bucket capacity of the bucket is adjusted to the optimal state, the worm wheel and the worm provide stable support for the upper end of the bottom cover based on self-locking characteristics, so that the position of the bottom cover is kept fixed in the operation process, namely the bucket capacity of the bucket is kept constant; meanwhile, based on the self-locking characteristic of the worm wheel and the worm, the power transmission between the motor device and the bottom cover is irreversible, and the load of the bottom cover cannot be transmitted to the motor device through the worm in the operation process, so that the working stability and the longer service life of the motor device can be ensured.
Drawings
Fig. 1 is a schematic structural view of an excavator bucket in embodiment 1.
Fig. 2 is a second schematic structural view of the excavator bucket in embodiment 1.
Fig. 3 is a third schematic structural view of the excavator bucket of embodiment 1.
Fig. 4 is an exploded view of the excavator bucket of embodiment 1.
Fig. 5 is a schematic structural view of the bucket body in embodiment 1.
Fig. 6 is a schematic structural view of the bottom cover in embodiment 1.
Fig. 7 is a schematic diagram of the combination of the traction rope, the rope pulley, the worm wheel, the worm and the motor device in embodiment 1.
Fig. 8 is a schematic view of the cord case and its internal structure in embodiment 1.
Fig. 9 is a schematic structural view of the inside of the back plate in embodiment 1.
Fig. 10 is a schematic diagram of the bucket capacity adjustment of the excavator bucket in embodiment 1.
Fig. 11 is a schematic diagram of the controller automatically adjusting the bucket capacity based on load data in embodiment 1.
Fig. 12 is a schematic structural view of an excavator bucket in embodiment 2.
Fig. 13 is a schematic structural view of the inside of the back plate in embodiment 2.
In the figure, 1, a tooth bed plate, 2, a side plate, 3, a bottom cover, 301, an arc plate, 302, a bottom plate, 303, a strip plate, 4, a back plate, 5, a bucket ear sleeve, 6, a bucket ear plate, 7, a bucket body, 701, an upper side plate, 702, a wall plate, 703, a lower side plate, 8, a second articulated part, 9, a first articulated part, 10, a tooth seat, 11, a bucket tooth, 12, a wear-resisting plate, 13, a protection plate, 14, a lower end cover, 15, an arc part, 16, a corner plate, 17, a rope box, 18, a guide groove, 19, a traction part, 20, a bucket containing scale, 21, a guide groove, 22, a guide pin, 23, a side edge, 24, a traction rope, 25, a rope wheel, 26, a worm, 27, a motor device, 28, a reinforcing plate, 29, a rotating shaft, 30, a concave part, 31, a pulley, 32, a guide wheel, 33, a wheel shaft, 34, a worm wheel, 35, a rope groove, 36, a fastening screw, 37, a holding, 40. elastic barrier strip 41, push-pull part 42, shaft coupling 43, seat 44, slide.
Detailed Description
Example 1
Referring to fig. 1 to 5, the excavator bucket for construction work according to the present embodiment includes a bucket body 7 and a bottom cover 3 installed at the rear of the bucket body 7; the bucket body 7 is provided with an inner cavity, the rear end of the bucket body 7 is opened and is in a frame shape which is through from front to back, a tooth seat plate 1, also called a knife plate, side plates 2, also called side knife plates, are respectively fixed on the left side and the right side of the bucket body 7, a back plate 4 and a bucket ear plate 6 are fixed on the upper side of the bucket body 7, a first hinge part 9 is arranged at the rear lower end of the bucket body 7, the middle rear part of the inner side of the upper wall of the bucket body 7 is in an arc surface shape and is called an arc surface part 15, the geometric central axes of the arc surface part 15 and the first hinge part 9 are superposed and extend along the left-right direction, a tooth seat 10 is arranged on the front side of the tooth seat plate 1, bucket teeth 11 are arranged on the tooth seat 10, the back plate 4 is also called a cross beam and is in a bulge shape to form an inner cavity, and a bucket ear sleeve 5 is arranged; referring to fig. 3, 4, 5 and 8, a rope box 17 extending back and forth is fixed in the bucket body 7 and clings to the middle of the upper wall of the bucket body, the lower side wall of the part of the rope box 17 positioned on the arc surface part 15 is provided with a guide groove 18 extending forwards and backwards, a rope wheel 25 is arranged in the front end of the rope box 17, a pulley 31 is arranged in the rear end of the rope box 17, a traction rope 24 is arranged in the rope box 17, the middle section of the traction rope 24 is wound around the pulley 31 and then the two ends are respectively wound and fixed on the rope pulley 25, so that the hauling rope 24 extends back and forth in the rope box 17 and is in a tightened state, the winding directions, namely the winding directions, of the two ends of the hauling rope 24 on the rope wheel 25 are different, one end of the hauling rope 24 is simultaneously unwound and the other end of the hauling rope 24 is synchronously wound in the rotating process of the rope wheel 25, so that the traction rope 24 can perform forward and backward transmission movement in the rope box 17 along with the rotation of the rope wheel 25; referring to fig. 1, 2, 3, 4, 6, 8 and 10, the bottom cover 3 is a cover-shaped structure with an inner cavity, the rear end of the bottom cover 3 is a bottom which is arched backwards, the lower end of the bottom cover 3 is provided with a second hinge part 8, the geometric central axis of the second hinge part 8 extends along the left-right direction, and the upper end of the bottom cover 3 is provided with a traction part 19; the second hinge part 8 is hinged with the first hinge part 9, the traction part 19 is in sliding fit with the guide groove 18 and extends into the rope box 17, the traction part 19 is fixedly connected with one position of the traction rope 24, and based on the structure, the bottom cover 3 is buckled at the rear part of the bucket body 7 and can rotate in the bucket body 7 along with the movement of the traction rope 24; as shown in fig. 10, in the rotation process of the bottom cover 3, the upper end of the bottom cover 3 moves in close contact with the arc surface portion 15 of the bucket body 7, and the left and right ends of the bottom cover 3 move in close contact with the left and right inner side walls of the bucket body 7 respectively, so that the bottom cover 3 can always seal the rear end of the bucket body 7, that is, the bottom cover 3 can prevent the material in the bucket body 7 from flowing out from the rear end; when the bottom cover 3 rotates forwards, the cavity space of the bucket body 7 at the front side of the bottom cover 3 is reduced, namely the bucket capacity is reduced, and when the bottom cover 3 rotates backwards, the cavity space of the bucket body 7 at the front side of the bottom cover 3 is enlarged, namely the bucket capacity is increased; referring to fig. 4, 5, 7, 9 and 10, the axle 33 of the rope pulley 25 extends upward into the inner cavity of the back plate 4 and is fixedly connected with a worm wheel 34, i.e. the rope pulley 25 and the worm wheel 34 are coaxially connected and can rotate synchronously, a worm 26 and a motor device 27 are arranged in the inner cavity of the back plate 4, the worm 26 is meshed with the worm wheel 34, and the motor device 27 is used for driving the worm 26 to rotate; based on the above structure, when the motor device 27 drives the worm 26 to rotate, the worm wheel 34 drives the rope wheel 25 to rotate synchronously therewith, and the traction rope 24 drives the bottom cover 3 to rotate and move the position through the traction part 19, thereby realizing the bucket capacity adjustment.
As shown in fig. 10, the excavator bucket for engineering construction has a bucket capacity adjusting function, the bucket capacity can be adjusted in a stepless manner according to actual working conditions in the working process, and the excavating operation efficiency can be improved to the maximum extent on the premise of ensuring the stable operation of the excavator; when the excavator bucket is implemented, the rotating stroke of the bottom cover 3 and the moving stroke range of the traction rope 24 are debugged, so that the bucket capacity adjusting range of the excavator bucket can meet requirements of most of actual work of the excavator.
Referring to fig. 4 and 10, the excavator bucket for engineering construction realizes a bucket capacity adjusting function based on position adjustment of the bottom cover 3, the rotation of the bottom cover 3 is powered by the motor device 27, the bucket capacity is reduced when the bottom cover 3 rotates forwards, otherwise, the bucket capacity is increased, and based on the design, when the excavator bucket for engineering construction is implemented, a power part in the motor device 27 can be selected as a servo motor by adopting a conventional technical means in the prior art, and a control unit of the motor device 27 is additionally arranged or integrated in a central control, so that a driver can adjust and control the working state of the motor device 27 in a cab to realize accurate adjustment of the position of the bottom cover 3, and therefore, the bucket capacity adjustment is more convenient and faster, time and labor are saved, and especially, the bucket capacity can be flexibly adjusted according to actual needs at any time and any place in operation.
This excavator bucket for engineering construction has bucket capacity regulatory function to need not to be equipped with the different reserve buckets of a plurality of specifications because of the bucket capacity needs, great reduction equips the acquisition cost, also stopped simultaneously in the past reserve bucket carry with change dismouting operation produced consume manpower, influence work efficiency etc. not enough.
Referring to fig. 1-3 and 10, it is known that the production and manufacturing technology of the excavator bucket in the prior art is quite mature, and the requirements of parameters such as the shape, curve and size of the excavator bucket in the prior art are verified in long-term practical accumulation, so that good excavating performance can be realized; in the bucket disclosed in the embodiment, the bucket body 7 is a main part determining the overall excavating performance of the bucket as a main body of the bucket, and the scheme has no special requirements on parameters such as the shape, curve and size of the bucket body 7, so that when the bucket is implemented in the embodiment, the bucket body 7 can adopt the structural form of the main body part of the existing bucket so as to continue the technical advantages of the existing bucket, such as contribution to material flowing, easiness in discharging materials, difficulty in spilling materials and the like; meanwhile, because the rope box 17 and the parts such as the internal structure thereof, which are different from the existing excavator, are arranged on the upper wall of the bucket body 7, and the motor device 27, the worm wheel 34, the worm 26 and the like are hidden in the inner cavity of the back plate 4, the influence on the excavating performance of the excavator in actual operation is extremely small, for example, the size, the shape and the installation position of the parts are scientifically and reasonably debugged, the influence can be further reduced to be negligible, and therefore the excavator bucket for engineering construction can be ensured to have good comprehensive excavating performance; in addition, the bucket capacity of the excavator bucket for engineering construction is adjusted based on the rotation of the bottom cover 3, and the shape of the bucket body 7 is kept constant, so that the adjustment of the bucket capacity does not have a remarkable influence on the excavating performance of the excavator bucket.
Referring to fig. 12, in the excavator bucket for construction work, although the bucket body 7 has a frame-shaped structure with a front and rear through hole, the strength of the bucket body 7 can be ensured to be sufficient for work by providing a reinforcing member and using a high-strength material, and deformation can be prevented.
Referring to fig. 3, 4 and 10, in the excavator bucket for construction work, although the lower end of the bottom cover 3 is connected with the bucket body 7 in a hinged manner, and the upper end of the bottom cover 3 is mainly supported by the traction rope 24, the rope pulley 25 and other components, the bottom cover 3 mainly plays a role of supporting materials in the working process of the excavator bucket, so that the stress in the excavating process is relatively small, the excavator bucket is implemented by means in the prior art, and the strength of the bottom cover 3, the connection firmness of the bottom cover 3 and the bucket body 7 and the support provided by the components for the front end of the bottom cover can be ensured to meet the actual work requirement.
Referring to fig. 7, 9 and 10, in the excavator bucket for construction work, after the bucket capacity is adjusted to an optimal state, the motor device 27 stops operating to stop the worm 26, at this time, the traction rope 24 will not move any more to enable the bottom cover 3 to reach a desired position, the worm 26 and the worm wheel 34 will provide stable support for the upper end of the bottom cover 3 based on the self-locking characteristic of the self-locking mechanism, so that the position of the bottom cover 3 is kept fixed in the operation process, that is, the bucket capacity is kept constant; meanwhile, based on the self-locking characteristic of the worm 26 and the worm wheel 34, the power transmission between the motor device 27 and the bottom cover 3 is irreversible, and the load of the bottom cover 3 cannot be transmitted to the motor device 27 through the worm wheel 34 and the worm 26 in the operation process, so that the working stability and the long service life of the motor device 27 can be ensured.
Referring to fig. 4, 9 and 10, in the excavator bucket for construction work, the relevant components such as the worm wheel 34, the worm 26 and the motor device 27 are arranged in an inner cavity formed by the bulge of the back plate 4; based on the structure, on one hand, the inner cavity space of the back plate 4 is scientifically and reasonably utilized, so that the volume of the bucket cannot be obviously increased due to the arrangement of the worm wheel 34, the worm 26, the motor device 27 and other parts, the bucket structure is more compact, the appearance of the bucket is closer to that of the existing bucket, on the other hand, the back plate 4 can provide good protection for the worm wheel 34, the worm 26 and the motor device 27, and the worm wheel 34, the worm 26 and the motor device 27 can be prevented from being damaged by external force in the excavation operation process; when the bucket body 7 is manufactured, the wheel shaft 33 of the sheave 25, the worm wheel 34, the worm 26, the motor device 27, and the like may be first set to a desired position, and then the back plate 4 may be welded and fixed.
Referring to fig. 4, 7, 8 and 10, in the excavator bucket for construction work, the traction rope 24, the rope pulley 25 and the pulley 31 are matched to form a multiple compound mechanism, two ends of the traction rope 24 and the rope pulley 25 respectively form a mechanism, which can be regarded as a hoisting device, the two hoisting devices work simultaneously and have opposite winding and unwinding modes, the formed hoisting devices are related through the pulley 31, when the embodiment is implemented, the specific matching relation of the components is adjusted, the winding and unwinding speeds of the two hoisting devices can be ensured to be consistent when the rope pulley 25 rotates, namely, the traction rope 24 in the rope box 17 is always in a tight state and can carry out front and back transmission movement, finally, the traction rope 24 can carry out up-and-down bidirectional traction on the traction part 19, and the traction rope 24 can provide up-and-down bidirectional support and constraint on the traction part 19 when being static, thereby achieving the desired technical effect; meanwhile, in order to better achieve the technical effects, when the technical features are implemented, the traction rope 24 may be a steel wire rope to ensure sufficient strength and service life, the rope sheave 25 should have sufficient rope capacity, and at the same time, two rope grooves 35 for winding the two ends of the traction rope 24 are also provided on the rope sheave 25, so that the two ends of the traction rope 24 can be wound in the corresponding rope grooves 35, respectively, thereby ensuring that the traction rope 24 can be wound and released more smoothly, and in addition, a guide wheel 32 for guiding the direction of the traction rope 24 can be further provided in the rope box 17 to reduce friction between the traction rope 24 and other components, and reduce the moving resistance and wear rate of the traction rope 24.
Referring to fig. 5, 7 and 8, in the excavator bucket for construction, the flexible member of the pulling rope 24 is used as a transmission member, which has various advantages compared with other transmission methods, on one hand, the part of the rope box 17 located on the arc-shaped surface part 15 is optimally designed to be in an arc-shaped structure, the pulling rope 24 is flexible and can be adjusted in direction along with the inner cavity of the rope box 17 without affecting the transmission effect, which is an advantage that other transmission members do not have, on the other hand, the pulling rope 24 is a long and thin part which can be wound, so that the rope box 17 can be in a compact structure, the occupation of the bucket volume is reduced, and the adverse effect on the excavating performance is reduced, and in addition, the pulling rope 24 is simple in structure, can be a steel wire rope, is low in cost and is easy to implement.
Further, referring to fig. 3-6, in the excavator bucket for construction work, a guide groove 21 extending along an arc is formed on each of the left and right inner side walls of the bucket body 7, a guide pin 22 is fixed to each of the left and right ends of the bottom cover 3, and the two guide pins 22 are inserted into the two guide grooves 21 respectively; in the rotating process of the bottom cover 3, the two guide pins 22 respectively move in the two guide grooves 21; the two guide grooves 21 are matched with the two guide pins 22, so that on one hand, a guide effect can be provided for the rotation of the bottom cover 3, the rotation of the bottom cover 3 is smoother, the stress on the left side and the right side of the bottom cover 3 is more equal, on the other hand, the acting force between the bottom cover 3 and the bucket body 7 is more balanced, and the stability of the overall structure of the bucket is improved; further, the reinforcing plate 28 is provided outside the bucket 7 at a position corresponding to the guide groove 21, thereby preventing the overall strength of the bucket 7 from being reduced by forming a groove in the bucket 7.
Further, referring to fig. 3, in the excavator bucket for construction work, the side plate 2 is provided with a side blade 23 fixed by bolts, the side plate 2 is provided with a protection plate 13 fixed by bolts, and a wear-resistant plate 12 is installed on the lower side of the bucket body 7; two corner parts at the front upper end of the bucket body 7 are provided with corner plates 16 for improving the strength of the bucket body 7; therefore, the strength and the wear resistance of the bucket are improved, and the bucket can be suitable for different working conditions.
Further, as shown in fig. 3 and 4, in the excavator bucket for construction work, the inner side wall of the bucket body 7 is marked with the bucket capacity scale 20, and the actual bucket capacity of the bucket at the moment can be determined more intuitively by referring to the relative position of the bucket capacity scale 20 and the bottom cover 3.
Further, referring to fig. 5, in the excavator bucket for construction work, the frame of the bucket body 7 is formed by welding a lower plate 703, an upper plate 701 and left and right wall plates 702, and the two wall plates 702 are parallel to each other and perpendicular to the lower plate 703; the middle rear part of the upper side plate 701 is pre-bent into an arc shape to form an arc surface part 15, namely, the bucket body 7 of the bucket is identical to the main part of the traditional bucket in structure and manufacturing mode, so that the bucket can inherit the structural advantages of the traditional bucket, and meanwhile, the bucket body 7 is simpler and easier to manufacture.
Further, referring to fig. 4 to 6, in the excavator bucket for construction work, the first hinge 9 includes a plurality of shaft sleeves which are distributed at intervals and fixed at the rear lower end of the bucket body 7, and the second hinge 8 includes a plurality of shaft sleeves which are distributed at intervals and fixed at the lower end of the bottom cover 3; the shaft sleeves of the first hinge part 9 and the second hinge part 8 are in complementary butt joint and a rotating shaft 29 is arranged in a penetrating way; the first hinge 9 and the second hinge 8 can ensure more stable connection between the bottom cover 3 and the bucket body 7 based on the above-described structure.
Further, referring to fig. 6, in the excavator bucket for construction work, the bottom cover 3 is formed by connecting a bottom plate 302 which is arched and arched backward, a strip-shaped plate 303 fixed to the front side of the upper end of the bottom plate 302, and two arched plates 301 fixed to the front sides of the left and right ends of the bottom plate 302; still more specifically, the bottom plate 302, the strip-shaped plate 303 and the two arcuate plates 301 are an integral structure, and are cut from the same steel plate, bent and welded to form the bottom cover 3.
Further, referring to fig. 9, in the excavator bucket for construction work, the output shaft of the motor device 27 and the worm 26 both extend in the left-right direction; generally, the motor that can be applied to the motor device 27 in the prior art is generally in a long column shape, and with the above layout design, it is more beneficial to place the long column-shaped motor and the worm 26 in transmission connection with the long column-shaped motor in the inner cavity formed by the raised back plate 4, so as to reduce the volume of the bucket.
Further, referring to fig. 3, 5 and 8, in the excavator bucket for construction work, the lower end of the rope box 17 is a detachable lower end cover 14, the guide groove 18 is formed in the lower end cover 14, the lower end cover 14 can be fixed through a bolt, and the lower end cover 14 can be detached, so that the installation and maintenance of the internal structure of the rope box 17 are facilitated.
Further, referring to fig. 4 and 6, in the excavator bucket for construction work, a recessed portion 30 is provided on the bottom cover 3, the traction portion 19 is installed in the recessed portion 30, and the recessed portion 30 is buckled outside the rope case 17 and is in sliding fit with the rope case; the concave seat part 30 is matched with the rope box 17 to play a role in guiding and limiting, so that the bottom cover 3 rotates more smoothly, and acting force between the bottom cover 3 and the bucket body 7 tends to be more balanced.
Further, referring to fig. 11, in the excavator bucket for construction work, the motor device 27 is provided with a controller which can control the operating state of the motor device 27 according to the load data fed back from the central control system to automatically adjust the bucket capacity to an optimum state, specifically, when the excavator is in overload operation during the operation, the controller starts the operation of the motor device 27 to reduce the bucket capacity, when the excavator returns to a normal operating state, the controller stops the operation of the motor device 27, the excavator keeps the proper bucket capacity to operate, when the excavator is in low load operation during the operation, the controller starts the operation of the motor device 27 to increase the bucket capacity, when the excavator operating load is close to a rated load, the controller stops the operation of the motor device 27, the excavator keeps the proper bucket capacity to operate, therefore, the excavator can carry out excavation work with the maximum efficiency without generating adverse effects such as overload.
Example 2
Referring to fig. 3 and 8, in the excavator bucket for construction disclosed in embodiment 1, a guide groove 18 is formed in a lower side of a portion of the rope case 17 located on the arc surface portion 15, so that the traction portion 19 can move along with the traction rope 24, generally speaking, when this embodiment is implemented, the width of the guide groove 18 is reduced to the maximum extent, and it is ensured that the material in the bucket body 7 cannot easily enter the rope case 17 through the guide groove 18 during the operation of the excavator; meanwhile, when the bucket is implemented, the rear end of the rope box 17 can be provided with a corresponding leak hole so that materials entering the rope box 17 can be discharged, and the adverse effect of the materials on the bucket capacity adjusting function in the rope box 17 is avoided; in order to better solve the above problems, the present embodiment is improved based on the structure of the excavator bucket for construction work as follows:
as shown in fig. 12, the upper end of the bottom cover 3 is connected with an elastic barrier strip 40 extending forward, and the lower side of the rope box 17 is provided with a receiving groove 37 for limiting and receiving the elastic barrier strip 40; the elastic barrier strip 40 is tightly attached to the lower side of the rope box 17 under the limit of the accommodating groove 37 to cover the guide groove 18, and when the bottom cover 3 rotates, the front end of the elastic barrier strip 40 moves in the accommodating groove 37; the elastic barrier strip 40 has elasticity and can be correspondingly bent along with the lower side surface of the rope box 17 so as to realize good covering effect on the guide groove 18; therefore, the elastic stop strip 40 can prevent materials from entering the guide groove 18 and the rope box 17 during the operation of the excavator.
Referring to fig. 7 and 9, in the excavator bucket for construction disclosed in embodiment 1, the motor device 27 is installed in the cavity of the back plate 4, and the motor device 27 is an electrical component, which is prone to failure, and usually requires regular maintenance of the motor device 27, which requires that the motor device 27 should be disassembled from the cavity of the back plate 4, the motor device 27 is installed in the prior art, the disassembling and assembling operation is troublesome and inconvenient, and a large hole needs to be formed in the back plate 4, which affects the overall strength of the back plate 4; for this reason, the present embodiment also has the following improvements:
referring to fig. 12 and 13, a hand hole 39 is formed in one side of the bucket body 7, the hand hole 39 is communicated with an inner cavity of the back plate 4, and a hole plate 38 for plugging the hand hole 39 is arranged on the hand hole 39; a coupling 42 is fixed at one end of the worm 26, and an output shaft of the motor device 27 is connected with the coupling 42 in a plug-in combination mode; a slide way 44 extending left and right is arranged in the inner cavity of the back plate 4, a placing seat 43 is arranged on the motor device 27, and the placing seat 43 is in sliding fit with the slide way 44 to enable the motor device 27 to move left and right; when the placing seat 43 moves to the inner end of the slide way 44, the output shaft of the motor device 27 is just inserted and combined with the coupling 42, and when the motor device 27 moves to the outer end of the slide way 44, the motor device 27 can be taken out through the hand hole 39; the bucket body 7 is provided with a fastening screw 36 for fixing the placing seat 43 at the inner end of the slide way 44;
the placing seat 43 is provided with a push-pull part 41 so as to push and pull the motor device 27 to move by matching with the push-pull part 41 by hand or tool;
based on the structure, the motor device 27 is more convenient and quicker to mount and dismount, and the motor device 27 is more time-saving and labor-saving to maintain; since the motor device 27 is moved axially to pick, place and mount, the hand hole 39 only needs a small size to meet the operation requirement, and the hand hole 39 is not formed on the back plate 4 but is located on the left side and the right side of the bucket body 7, so that the overall strength of the bucket body 7 is not affected by the formation of the hand hole 39.
Claims (10)
1. An excavator bucket for engineering construction comprises a bucket body with an inner cavity, wherein a tooth seat plate is fixed at the lower part of the front end of the bucket body, side plates are respectively fixed at the left side and the right side of the front end, a back plate and a bucket ear plate provided with a bucket ear sleeve are fixed at the upper side of the bucket body, the back plate is in a bulge shape to form the inner cavity, and a tooth seat and bucket teeth are arranged at the front side of the tooth seat plate; the method is characterized in that: the rear end of the bucket body is open and is in a frame shape, a first hinged part is arranged at the rear lower end, the middle rear part of the inner side of the upper wall is an arc surface part, the arc surface part and the geometric central axes of the first hinged part are superposed and extend along the left-right direction, a rope box which is attached to the upper wall and extends forwards and backwards is fixed in the bucket body, a rope pulley is arranged in the front end of the rope box, a pulley is arranged in the rear end of the rope box, a traction rope is arranged in the rope box, the traction rope is wound around the pulley from the rear two ends and is respectively wound and fixed on the rope pulley in different winding directions, so that the traction rope is in a front-back tensioned state in the rope box and can carry out front-back transmission movement along with the rotation of the rope pulley, and a guide groove which; the rear part of the bucket body is provided with a bottom cover which is of a cover-shaped structure with an inner cavity, the rear end of the bottom cover is a backward arched bottom, the lower end of the bottom cover is provided with a second articulated part with a geometric central shaft extending along the left-right direction, and the upper end of the bottom cover is provided with a traction part; the second hinge part is hinged with the first hinge part, the traction part is in sliding fit with the guide groove and extends into the rope box to be fixedly connected with one position of the traction rope, so that the bottom cover is buckled at the rear part of the bucket body and can rotate in the bucket body along with the movement of the traction rope; in the rotating process of the bottom cover, the upper end moves close to the arc surface part, and the left end and the right end move close to the left inner side wall and the right inner side wall of the bucket body respectively, so that the bottom cover can always plug the rear port of the bucket body; the bucket capacity of the bottom cover rotating forwards is reduced, and the bucket capacity of the bottom cover rotating backwards is increased; the wheel shaft of the rope wheel extends upwards into the inner cavity of the back plate and is fixedly connected with a worm wheel, a worm meshed with the worm wheel and a motor device driving the worm to rotate are arranged in the inner cavity of the back plate, and when the motor device drives the worm to rotate, the traction rope drives the bottom cover to rotate and move through the traction part, so that bucket capacity adjustment is realized.
2. The excavator bucket for engineering construction according to claim 1, wherein: the side plate is provided with a side blade fixed by a bolt.
3. The excavator bucket for engineering construction according to claim 1, wherein: the side plate is provided with a protection plate fixed by bolts.
4. The excavator bucket for engineering construction according to claim 1, wherein: and a wear-resisting plate is arranged on the lower side of the bucket body.
5. The excavator bucket for engineering construction according to claim 1, wherein: two corners of the front upper end of the bucket body are provided with angle plates for improving the strength of the bucket body.
6. The excavator bucket for engineering construction according to claim 1, wherein: the frame of the bucket body is formed by welding a lower side plate, an upper side plate and wall plates on the left side and the right side, and the two wall plates are parallel and vertical to the lower side plate; the middle rear part of the upper side plate is pre-bent into an arc shape to form an arc surface part.
7. The excavator bucket for engineering construction according to claim 1, wherein: the first articulated part comprises a plurality of shaft sleeves which are distributed at intervals and fixed at the rear lower end of the hopper body, and the second articulated part comprises a plurality of shaft sleeves which are distributed at intervals and fixed at the lower end of the bottom cover; the shaft sleeves of the first hinge part and the second hinge part are in complementary butt joint and are provided with rotating shafts in a penetrating mode.
8. The excavator bucket for engineering construction according to claim 1, wherein: the bottom cover is formed by connecting a bottom plate which is arched and arched backwards, a strip-shaped plate fixed on the front side of the upper end of the bottom plate and two arched plates fixed on the front sides of the left end and the right end of the bottom plate.
9. The excavator bucket for engineering construction according to claim 8, wherein: the bottom plate, the strip-shaped plate and the two arched plates are of an integrated structure, are formed by cutting the same steel plate, are welded after being bent, and finally form the bottom cover.
10. The excavator bucket for engineering construction according to claim 1, wherein: the lower end of the rope box is a detachable lower end cover, the guide groove is formed in the lower end cover, and the lower end cover is fixed through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134549.1A CN112281953A (en) | 2020-10-21 | 2020-10-21 | Excavator bucket for engineering construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011134549.1A CN112281953A (en) | 2020-10-21 | 2020-10-21 | Excavator bucket for engineering construction |
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| CN112281953A true CN112281953A (en) | 2021-01-29 |
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| CN202011134549.1A Pending CN112281953A (en) | 2020-10-21 | 2020-10-21 | Excavator bucket for engineering construction |
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| CN (1) | CN112281953A (en) |
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