CN115538509A - Small-sized electric excavator - Google Patents
Small-sized electric excavator Download PDFInfo
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- CN115538509A CN115538509A CN202211187026.2A CN202211187026A CN115538509A CN 115538509 A CN115538509 A CN 115538509A CN 202211187026 A CN202211187026 A CN 202211187026A CN 115538509 A CN115538509 A CN 115538509A
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- electric excavator
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- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 2
- 238000004891 communication Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005065 mining Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock 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
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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
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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
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
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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
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
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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
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/52—Cableway excavators
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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
- E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
- E02F3/58—Component parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a small-sized electric excavator, which comprises a bucket, a bucket rod, a crane boom, a lifting mechanism, a swing mechanism, a driver cab, an electric appliance cabinet, an A-shaped frame, an underframe device and the walking mechanism, wherein the underframe device is arranged on the walking mechanism, the swing mechanism is arranged on the underframe device, the driver cab is arranged on the left side of the swing mechanism, the electric appliance cabinet is arranged at the rear end of the swing mechanism, the A-shaped frame is arranged at two ends of the swing mechanism, the lifting mechanism is arranged in the middle of the swing mechanism, the crane boom is arranged at the front end of the swing mechanism, one end of the bucket rod is arranged on the crane boom, and the other end of the bucket rod is used for mounting the bucket.
Description
Technical Field
The invention belongs to the technical field of excavators, and particularly relates to a small electric excavator.
Background
The mining electric excavator belongs to one of mining equipment on mines, is generally used for open pit coal mines, iron ores, copper ores and the like, is mainly used for excavating and stripping blasted rocks and ores, is also widely used for excavating earthwork in hydraulic construction engineering, and can be used in large automobiles, crushing stations and the like.
The existing excavator is mainly a large-scale mining excavator, the structure is complex, the installation is inconvenient, time and labor are wasted, the angle of a crane boom can not be adjusted, the processing technology is complex, the cost is high, and the large-scale mining excavator is mainly used for surface mines and is not suitable for the field of engineering machinery.
Disclosure of Invention
To at least partially solve the above technical problems of the prior art, the present invention provides a small electric excavator.
The invention discloses a small-sized electric excavator, which comprises a bucket, a bucket rod, a crane boom, a lifting mechanism, a slewing mechanism, a driver cab, an electric appliance cabinet, an A-shaped frame, an underframe device and a travelling mechanism, wherein the underframe device is arranged on the travelling mechanism, the slewing mechanism is arranged on the underframe device, the driver cab is arranged on the left side of the slewing mechanism, the electric appliance cabinet is arranged at the rear end of the slewing mechanism, the A-shaped frame is arranged at two ends of the slewing mechanism, the lifting mechanism is arranged in the middle of the slewing mechanism, the crane boom is arranged at the front end of the slewing mechanism, one end of the bucket rod is arranged on the crane boom, and the other end of the bucket rod is used for mounting the bucket, wherein:
the bucket comprises bucket teeth, a bucket lip, a conical base plate, a screw and a nut, wherein the bucket teeth are arranged on the bucket lip, the conical base plate is arranged between the bucket teeth and the bucket lip, and the bucket teeth and the bucket lip are fixedly connected with the nut through the screw;
a rack is arranged on the lower side of the bucket rod and comprises a rack body, rails and built-in screws, the rails are symmetrically arranged on two sides of the rack body, and the rails are fixed on the rack body through the built-in screws;
the lifting mechanism comprises a lifting motor, a speed reducer, a lifting reel, a coupler, a base and a lifting steel wire, wherein the speed reducer is arranged at the front end of the lifting motor, the coupler is arranged between the lifting motor and the speed reducer, the lifting reel is arranged at the rear end of the speed reducer and is parallel to the lifting motor, the speed reducer, the lifting reel and the coupler are all arranged on the base, and the lifting steel wire is arranged on the lifting reel;
the rotary mechanism comprises a rotary platform, a rotary support, a rotary motor, a platform central sleeve and a left auxiliary platform, wherein the rotary platform is arranged on the rotary support, the rotary motor is arranged at the rear side of the rotary platform, the left auxiliary platform is arranged at the left side of the rotary platform, and the platform central sleeve is arranged in the middle of the rotary platform;
the A-shaped frame comprises a pressure rod, a pull rod and an adjustable guy rope, the pressure rod and the pull rod are arranged in an A shape, and the adjustable guy rope is arranged at the top ends of the pressure rod and the pull rod;
the underframe device comprises an underframe connecting ring and an underframe body, wherein the lower side of the underframe connecting ring is welded in the middle of the underframe body.
Further, in the above small-sized electric excavator, the cab is connected with the rotary platform through the left auxiliary platform, a pushing mechanism motor is installed on the left side of the front end of the rotary platform, a bucket opening mechanism motor is installed on the right side of the front end of the rotary platform, a balancing weight is installed on the tail of the rotary platform, and a conductive sliding ring is installed in the central sleeve of the platform.
Further, in the above small-sized electric excavator: the output end of the pushing mechanism motor is in transmission connection with the bucket rod, and the output end of the bucket opening mechanism motor is in transmission connection with the bucket.
Further, in above-mentioned small-size electric excavator, the bucket lip is bent for high strength wear-resisting steel sheet and forms, the bucket tooth middle part is provided with U type groove, both ends all are provided with concave groove about the bucket tooth rear portion, be equipped with the through-hole in the concave groove.
Further, in above-mentioned small-size electric shovel, the bucket tooth passes through U type groove insert in on the bucket lip, the toper backing plate insert in U type inslot, screw rod length equals bucket tooth width, the screw rod passes through the through-hole, toper backing plate with the bucket lip, the screw rod other end is screwed up the nut is fixed the bucket tooth.
Further, in the above small-sized electric excavator, an output end of the lifting motor is connected to an input end of the speed reducer through the coupler, an output end of the speed reducer is connected to the lifting drum, one end of the lifting steel wire is connected to the lifting drum, and the other end of the lifting steel wire is connected to the bucket.
Further, in the small-sized electric excavator, the slewing support is an external-tooth turntable bearing, the inner ring of the slewing support is connected with the slewing platform through a bolt, the outer ring of the slewing support is connected with the underframe connecting ring through a bolt, and the output end of the slewing motor is meshed with the outer ring gear of the slewing support.
Further, in the small-sized electric excavator, the adjustable guy rope comprises a guy rope, a first adjusting block, a second adjusting block, a connecting table, two adjusting screws and two adjusting nuts, wherein one end of the guy rope is fixedly arranged in the middle of the first adjusting block, one end of the connecting table is connected with a rotating shaft in the middle of the second adjusting block, the two adjusting screws are symmetrically arranged at two ends of the second adjusting block, and the two adjusting screws penetrate through the first adjusting block and are adjusted through the two adjusting nuts;
one end of the pressing rod is fixed with the front end of the rotary platform, one end of the pull rod is fixed with the rear end of the rotary platform, the other end of the pressing rod is fixed with the other end of the pull rod, the other end of the connecting platform is connected with a rotating shaft at the joint of the pressing rod and the pull rod, and the other end of the guy rope is connected with the crane boom.
Further, in the small-sized electric excavator, the underframe body is formed by welding H-shaped steel, and two sides of the underframe body are connected with the travelling mechanism.
The small-sized electric excavator has the following advantages and beneficial effects:
in summary, compared with the prior art, the small-sized electric excavator provided by the invention has the following advantages and beneficial effects: the whole electric excavator is small in size, the whole electric excavator adopts modularization and lightweight design, all parts are independent parts, the electric excavator is convenient to mount and dismount, excavating resistance is small, and manufacturing cost and use and maintenance cost are effectively reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only used for further understanding of the embodiments of the present invention and constitute a part of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts. In the drawings:
FIG. 1 is a schematic structural view of a small-sized electric excavator according to the present invention;
FIG. 2 is a schematic top view of the small-sized electric excavator according to the present invention;
FIG. 3 is a schematic top view of a bucket of the small electric shovel of the present invention;
FIG. 4 is a schematic sectional view of an enlarged structure of a tooth of the small-sized electric excavator according to the present invention;
fig. 5 is a cross-sectional enlarged structural view of a rack of the small-sized electric excavator according to the present invention;
FIG. 6 is a schematic top view of the lifting mechanism of the small electric excavator according to the present invention;
FIG. 7 is a schematic top view of the undercarriage assembly of the small electric excavator according to the present invention;
fig. 8 is a schematic view of an adjustable guy rope structure of the small-sized electric excavator of the present invention.
Description of reference numerals:
1: bucket, 11: bucket tooth, 11.1: u type groove, 11.2: concave groove, 11.3: through hole, 12: bucket lip, 13: tapered shim plate, 14: screw, 15: a nut;
2: arm, 21: rack, 22: the rack body 23: track, 24: a screw is arranged inside;
3: a cargo boom;
4: lifting mechanism, 41: lifting motor, 42: speed reducer, 43: hoisting drum, 44: coupling, 45: base, 46: hoisting steel wires;
5: turning mechanism, 51: rotary platform, 51.1: pressing mechanism motor, 51.2: bucket opening mechanism motor, 51.3: counterweight, 51.4: conductive slip ring, 52: slewing support, 53: rotary electric machine, 54: platform center sleeve, 55: a left auxiliary platform;
6: a driver cab;
7: an electric appliance cabinet;
8: type a frame, 81: pressure lever, 82: pull rod, 83: adjustable guy rope, 83.1: guy rope, 83.2: first regulating block, 83.3: second regulation block, 83.4: connecting table, 83.5: adjusting screw 83.6: adjusting the nut;
9: chassis device, 91: chassis connection ring, 92: a chassis body;
10: a traveling mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the small-sized electric excavator of the present invention includes a bucket 1, a bucket arm 2, a boom 3, a lifting mechanism 4, a swing mechanism 5, an operator's cab 6, an electric appliance cabinet 7, an a-frame 8, an undercarriage device 9 and a traveling mechanism 10, wherein the undercarriage device 9 is mounted on the traveling mechanism 10, the swing mechanism 5 is mounted on the undercarriage device 9, the operator's cab 6 is mounted on the left side of the swing mechanism 5, the electric appliance cabinet 7 is mounted on the rear end of the swing mechanism 5, the a-frame 8 is disposed at both ends of the swing mechanism 5, the lifting mechanism 4 is disposed in the middle of the swing mechanism 5, the boom 3 is disposed at the front end of the swing mechanism 5, one end of the bucket arm 2 is disposed on the boom 3, the other end of the bucket arm 2 is used for mounting the bucket 1, the bucket 1 includes a bucket tooth 11, a bucket lip 12, a tapered base plate 13, a screw 14 and a nut 15, the bucket tooth 11 and the bucket lip 12 are fixedly connected with the nut 15 through the screw 14; a rack 21 is arranged on the lower side of the bucket rod 2, the rack 21 comprises a rack body 22, rails 23 and built-in screws 24, the rails 23 are symmetrically arranged on two sides of the rack body 22, the rails 23 are fixed on the rack body 22 through the built-in screws 24, the lifting mechanism 4 comprises a lifting motor 41, a speed reducer 42, a lifting reel 43, a coupler 44, a base 45 and a lifting steel wire 46, the speed reducer 42 is arranged at the front end of the lifting motor 41, the coupler 44 is arranged between the lifting motor 41 and the speed reducer 42, the lifting reel 43 is arranged at the rear end of the speed reducer 42 and is parallel to the lifting motor 41, the speed reducer 42, the lifting reel 43 and the coupler 44 are all arranged on the base 45, and the lifting steel wire 46 is arranged on the lifting reel 43; the slewing mechanism 5 comprises a slewing platform 51, a slewing support 52, a slewing motor 53, a platform central sleeve 54 and a left auxiliary platform 55, wherein the slewing platform 51 is arranged on the slewing support 52, the slewing motor 53 is arranged on the rear side of the slewing platform 51, the left auxiliary platform 55 is arranged on the left side of the slewing platform 51, and the platform central sleeve 54 is arranged in the middle of the slewing platform 51; the A-shaped frame 8 comprises a pressure rod 81, a pull rod 82 and an adjustable stretching rope 83, the pressure rod 81 and the pull rod 82 are arranged in an A shape, and the adjustable stretching rope 83 is arranged at the top ends of the pressure rod 81 and the pull rod 82; the chassis device 9 includes a chassis connection ring 91 and a chassis body 92, and the lower side of the chassis connection ring 91 is welded to the middle of the chassis body 92.
Further, in the small-sized electric excavator, the cab 6 is connected with the rotary platform 51 through the left auxiliary platform 55, the cab 6 can be effectively ensured to rotate along with the rotary platform 51, so that an operator can observe the cab conveniently, the left side of the front end of the rotary platform 51 is provided with the pushing mechanism motor 51.1, the right side of the front end of the rotary platform 51 is provided with the bucket opening mechanism motor 51.2, the tail part of the rotary platform 51 is provided with the counterweight block 51.3, the balance of the excavator is effectively ensured by increasing or decreasing the number of the counterweight blocks 51.3, and the conductive sliding ring 51.4 is arranged in the platform central sleeve 54, so that the wire is effectively ensured not to be twisted in the rotation process.
Further, in the small-sized electric excavator of the present invention, the output end of the pushing mechanism motor 51.1 is in transmission connection with the arm 2 to effectively provide pushing power for the arm 2, and the output end of the bucket opening mechanism motor 51.2 is in transmission connection with the bucket 1 to effectively provide opening and closing power for the bucket 1.
Further, in the small-sized electric excavator, the bucket lip 12 is formed by bending a high-strength wear-resistant steel plate, the middle of the bucket tooth 11 is provided with a U-shaped groove 11.1, the upper end and the lower end of the rear part of the bucket tooth 11 are both provided with concave grooves 11.2, and a through hole 11.3 is formed in each concave groove 11.2.
Further, in the small-sized electric excavator, the bucket tooth 11 is inserted into the bucket lip 12 through the U-shaped groove 11.1, the conical backing plate 13 is inserted into the U-shaped groove 11.1, the bucket tooth 11 is effectively guaranteed not to shake in the excavating process, the length of the screw 14 is equal to the width of the bucket tooth 11, the screw 14 penetrates through the through hole 11.3, the conical backing plate 13 and the bucket lip 12, the nut 15 is screwed at the other end of the screw 14 to fix the bucket tooth 11, the bucket tooth 11 can be rapidly detached and replaced, and excavating resistance is small in the excavating process.
Further, in the small-sized electric excavator of the present invention, the output end of the lifting motor 41 is connected to the input end of the speed reducer 42 through the coupling 44, the output end of the speed reducer 42 is connected to the lifting drum 43, the lifting motor 41 safely and reliably provides power to the lifting drum 43, and meanwhile, the lifting motor 41, the coupling 44, the speed reducer 42, and the lifting drum 43 are in a square layout structure and are compact, so that the occupation of space is effectively reduced, one end of the lifting steel wire 46 is connected to the lifting drum 43, the other end of the lifting steel wire 46 is connected to the bucket 1, and the lifting steel wire 46 extends out from the lower side of the lifting drum 43, so that the danger after the lifting steel wire 46 is broken is effectively prevented.
Further, in the small-sized electric excavator of the present invention, the revolving support 52 is an external-tooth turntable bearing, the inner ring of the revolving support 52 is connected with the revolving platform 51 through a bolt, the outer ring of the revolving support 52 is connected with the underframe connecting ring 91 through a bolt, the output end of the revolving motor 53 is engaged with the outer ring of the revolving support 52 through a gear, the revolving motor 53 provides power to the revolving platform 51, and the rotation of the revolving platform 51 is effectively ensured.
Further, in the small-sized electric excavator of the present invention, the adjustable guy rope 83 includes a guy rope 83.1, a first adjusting block 83.2, a second adjusting block 83.3, a connecting table 83.4, two adjusting screws 83.5 and two adjusting nuts 83.6, one end of the guy rope 83.1 is fixedly disposed in the middle of the first adjusting block 83.2, one end of the connecting table 83.4 is connected with a rotating shaft in the middle of the second adjusting block 83.3, the two adjusting screws 83.5 are symmetrically disposed at two ends of the second adjusting block 83.3, and the two adjusting screws 83.5 pass through the first adjusting block 83.2 and are adjusted by the two adjusting nuts 83.6;
one end of a pressing rod 81 is fixed with the front end of the rotary platform 51, one end of a pull rod 82 is fixed with the rear end of the rotary platform 51, the other end of the pressing rod 81 is fixed with the other end of the pull rod 82, the other end of a connecting platform 83.4 is connected with a rotating shaft at the joint of the pressing rod 81 and the pull rod 82, the other end of a guy rope 83.1 is connected with the crane boom 3, the distance between a first adjusting block 83.2 and a second adjusting block 83.3 is adjusted by rotating an adjusting bolt 83.6 to change the angle between the crane boom 3 and the horizontal plane, and therefore various site excavation is met.
Further, in the small-sized electric excavator according to the present invention, the underframe body 92 is welded to H-shaped steel, and both sides of the underframe body 92 are connected to the traveling mechanism 10, thereby effectively providing power for the traveling of the excavator.
In summary, compared with the prior art, the small-sized electric excavator provided by the invention has the following advantages and beneficial effects: the whole machine of the small-sized electric excavator is small in size, the whole electric excavator adopts modularization and lightweight design, installation and transportation are facilitated, each part is an independent part, and the crane boom angle is adjusted by adjusting the guy rope, so that the use under the actual working condition is met, and the manufacturing cost and the use and maintenance cost are effectively reduced.
It should be noted that, unless expressly stated or limited otherwise, the term "coupled" or its synonyms are intended to be used broadly, for example, "coupled" can mean either a fixed connection or a removable connection; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be communication between two elements or interaction relationship between two elements, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations. Moreover, expressions such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation without necessarily requiring or implying any actual such relationship or order between such entities or operations. Meanwhile, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In addition, "front", "rear", "left", "right", "upper" and "lower" in this document are referred to the placement states shown in the drawings.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The utility model provides a small-size electric excavator, a serial communication port, small-size electric excavator includes scraper bowl, dipper, jib loading boom, hoist mechanism, rotation mechanism, driver's cabin, electric appliance cabinet, A type frame, chassis device and running gear, the chassis device is installed on the running gear, rotation mechanism installs on the chassis device, the driver's cabin is installed rotation mechanism left side, the electric appliance cabinet is installed rotation mechanism rear end, A type frame sets up rotation mechanism both ends, hoist mechanism sets up rotation mechanism middle part, the jib loading boom sets up rotation mechanism front end, dipper one end sets up on the jib loading boom, the dipper other end is used for installing the scraper bowl, wherein:
the bucket comprises bucket teeth, a bucket lip, a conical base plate, a screw and a nut, wherein the bucket teeth are arranged on the bucket lip, the conical base plate is arranged between the bucket teeth and the bucket lip, and the bucket teeth and the bucket lip are fixedly connected with the nut through the screw;
a rack is arranged on the lower side of the bucket rod and comprises a rack body, rails and built-in screws, the rails are symmetrically arranged on two sides of the rack body, and the rails are fixed on the rack body through the built-in screws;
the lifting mechanism comprises a lifting motor, a speed reducer, a lifting drum, a coupler, a base and a lifting steel wire, wherein the speed reducer is arranged at the front end of the lifting motor, the coupler is arranged between the lifting motor and the speed reducer, the lifting drum is arranged at the rear end of the speed reducer and is parallel to the lifting motor, the speed reducer, the lifting drum and the coupler are all arranged on the base, and the lifting steel wire is arranged on the lifting drum;
the rotary mechanism comprises a rotary platform, a rotary support, a rotary motor, a platform central sleeve and a left auxiliary platform, wherein the rotary platform is arranged on the rotary support, the rotary motor is arranged at the rear side of the rotary platform, the left auxiliary platform is arranged at the left side of the rotary platform, and the platform central sleeve is arranged in the middle of the rotary platform;
the A-shaped frame comprises a pressure rod, a pull rod and an adjustable guy rope, the pressure rod and the pull rod are arranged in an A shape, and the adjustable guy rope is arranged at the top ends of the pressure rod and the pull rod;
the underframe device comprises an underframe connecting ring and an underframe body, wherein the lower side of the underframe connecting ring is welded in the middle of the underframe body.
2. The small-sized electric excavator according to claim 1, wherein the cab is connected to the revolving platform through the left auxiliary platform, a pushing mechanism motor is installed on the left side of the front end of the revolving platform, a bucket opening mechanism motor is installed on the right side of the front end of the revolving platform, a balancing weight is installed at the tail of the revolving platform, and a conductive sliding ring is installed in the central sleeve of the platform.
3. The miniature electric excavator of claim 2 wherein said racking mechanism motor output is drivingly connected to said dipper and said bucket opening mechanism motor output is drivingly connected to said bucket.
4. The small-sized electric excavator as claimed in claim 1, wherein the bucket lip is formed by bending a high-strength wear-resistant steel plate, a U-shaped groove is formed in the middle of the bucket tooth, concave grooves are formed in the upper end and the lower end of the rear portion of the bucket tooth, and through holes are formed in the concave grooves.
5. The small electric excavator according to claim 4, wherein the bucket tooth is inserted into the bucket lip through the U-shaped groove, the tapered base plate is inserted into the U-shaped groove, the length of the screw rod is equal to the width of the bucket tooth, the screw rod penetrates through the through hole, the tapered base plate and the bucket lip, and the nut is screwed at the other end of the screw rod to fix the bucket tooth.
6. The small electric excavator according to claim 1, wherein the output end of the lifting motor is connected to the input end of the speed reducer through the coupling, the output end of the speed reducer is connected to the lifting drum, one end of the lifting wire is connected to the lifting drum, and the other end of the lifting wire is connected to the bucket.
7. The small electric excavator of claim 1 wherein the slewing support is an external toothed slewing bearing, the inner slewing support ring is bolted to the slewing platform, the outer slewing support ring is bolted to the undercarriage coupling ring, and the slewing motor output is geared to the outer slewing support ring.
8. The small-sized electric excavator according to claim 1, wherein the adjustable guy rope comprises a guy rope, a first adjusting block, a second adjusting block, a connecting table, two adjusting screws and two adjusting nuts, one end of the guy rope is fixedly arranged in the middle of the first adjusting block, one end of the connecting table is connected with a rotating shaft in the middle of the second adjusting block, the two adjusting screws are symmetrically arranged at two ends of the second adjusting block, and the two adjusting screws penetrate through the first adjusting block and are adjusted through the two adjusting nuts;
one end of the pressing rod is fixed with the front end of the rotary platform, one end of the pull rod is fixed with the rear end of the rotary platform, the other end of the pressing rod is fixed with the other end of the pull rod, the other end of the connecting platform is connected with a rotating shaft at the joint of the pressing rod and the pull rod, and the other end of the guy rope is connected with the crane boom.
9. The small electric excavator according to claim 1, wherein the underframe body is formed by welding H-shaped steel, and both sides of the underframe body are connected with the travelling mechanism.
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