CN212612691U - Novel excavator movable arm bucket rod assembly - Google Patents
Novel excavator movable arm bucket rod assembly Download PDFInfo
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- CN212612691U CN212612691U CN202020874410.XU CN202020874410U CN212612691U CN 212612691 U CN212612691 U CN 212612691U CN 202020874410 U CN202020874410 U CN 202020874410U CN 212612691 U CN212612691 U CN 212612691U
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- arm
- movable arm
- bucket rod
- cylinder
- oil cylinder
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 206010063659 Aversion Diseases 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000001050 lubricating effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000000245 forearm Anatomy 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the excavator spare part technique and specifically relates to novel excavator swing arm bucket rod subassembly, the bucket rod that is connected including the swing arm spare and with the swing arm spare includes a driving arm the middle section top of driving arm is equipped with a bucket rod hydro-cylinder, the driving arm is extending structure the below of the middle part turning position of driving arm is equipped with a swing arm hydro-cylinder. The movable arm of the assembly adopts a reinforced square steel structure, so that the structural strength can be effectively ensured, and meanwhile, a telescopic structure is adopted, so that the size can be effectively adjusted to a larger extent according to the working condition environment space, and the rotary body can be flexibly adapted to different working conditions for rotary body operation; meanwhile, the adjustment amplitude of the movable arm oil cylinder to the whole movable arm and bucket rod assembly is increased by matching with the movement adjustment of the lower end of the movable arm oil cylinder by the shifting structural part, the lifting driving of the bucket can be effectively realized by matching of the movable arm and the bucket rod, and the lifting amplitude is large.
Description
Technical Field
The utility model belongs to the technical field of the excavator spare part technique and specifically relates to novel excavator swing arm dipper subassembly.
Background
An excavator is an earth moving machine that excavates material above or below a bearing surface with a bucket and loads the material into a transport vehicle or unloads the material to a stockyard. The boom arm is a main work device of the excavator, and is generally called a boom and a forearm, and mainly functions to control operations of the excavator, such as excavation and loading.
Because the movable arm mechanical connection structure and the bucket are often heavily loaded in the construction state, the service life of the existing movable arm assembly is influenced by the comprehensive working environment and working conditions. In addition, the change amplitude of the movable arm and bucket rod assembly of the existing excavator is limited when the movable arm and bucket rod assembly is converted under working conditions of different construction spaces, so that the construction difficulty of the excavator is increased under the condition that the working condition environment is reduced, and the operation difficulty of the whole excavator is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the technical scheme that one of above-mentioned technical problem adopted and be: a novel excavator movable arm bucket rod assembly comprises a movable arm piece and a bucket rod connected with the movable arm piece, wherein the lower end of the movable arm piece is connected with a rotary table of an excavator, the working end of the bucket rod is connected with a bucket of the excavator, the movable arm piece comprises a driving arm with the front end movably hinged with an ear plate at the bottom of the middle section of the bucket rod through a front ear plate at the end part of the driving arm, a bucket rod oil cylinder is arranged at the top of the middle section of the driving arm, the front end of the bucket rod oil cylinder is movably hinged with the rear end of the bucket rod, the rear end of the bucket rod oil cylinder is movably hinged with the ear plate at the top of the middle section of the driving arm, the driving arm is of a telescopic structure, a movable arm oil cylinder is arranged below the middle corner position of the driving arm, the upper end of the movable arm oil cylinder is movably hinged with a connecting ear seat at the middle corner position of the driving, the lower end of the driving arm is hinged to the top of the rotary table, and the shifting structural part is used for driving the lower end of the movable arm oil cylinder to shift and lock along the front-back direction.
Preferably, the active arm is of a reinforced square steel structure, the active arm comprises a front movable arm and a rear movable arm which are integrally connected, a telescopic oil cylinder is installed in a section steel inner cavity at one end, far away from the bucket rod, of the front movable arm, a cylinder body of the telescopic oil cylinder is fixedly arranged relative to the front movable arm, a pair of movable arms is inserted into one end, facing the bucket rod, of the section steel inner cavity of the front movable arm, the inner end of the pair of movable arms is fixedly connected with the front end of a piston rod of the telescopic oil cylinder, and the telescopic oil cylinder is connected with a hydraulic control system and an oil tank of the excavator through an oil path and a lead.
Preferably, the aversion structure is including setting up inversion T type spout on the revolving stage inversion T type spout sliding fit has an I shape slide the top fixed mounting of I shape slide has a lower ear seat, the lower extreme of swing arm hydro-cylinder with swing joint between the lower ear seat invert the rear side of T type spout links firmly the aversion hydro-cylinder that a level set up, the cylinder body of aversion hydro-cylinder links firmly on the revolving stage, the front end of piston rod with the rear end face of I shape slide links firmly, the aversion hydro-cylinder passes through the oil circuit, the wire links to each other with the hydraulic control system and the oil tank of excavator.
Preferably, lubricating copper blocks are respectively and fixedly installed on the side walls of the I-shaped sliding seat matched with the inverted T-shaped sliding groove.
The beneficial effects of the utility model are embodied in: the movable arm of the assembly adopts a reinforced square steel structure, so that the structural strength can be effectively ensured, and meanwhile, a telescopic structure is adopted, so that the size can be effectively adjusted to a larger extent according to the working condition environment space, and the rotary body can be flexibly adapted to different working conditions for rotary body operation; meanwhile, the adjustment amplitude of the movable arm oil cylinder to the whole movable arm and bucket rod assembly is increased by matching with the movement adjustment of the lower end of the movable arm oil cylinder by the shifting structural part, the lifting driving of the bucket can be effectively realized by matching of the movable arm and the bucket rod, and the lifting amplitude is large.
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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of the present invention in a partial sectional view (the shifting cylinder is not cut).
Fig. 2 is a partial sectional view of the structure of fig. 1 taken along line a-a.
Fig. 3 is a schematic view of a partial top view structure of the turntable according to the present invention.
In the figure, 1, a bucket rod; 2. A turntable; 3. a displacement structure; 301. inverting the T-shaped chute; 302. an I-shaped sliding seat; 303. a lower ear seat; 304. a shifting oil cylinder; 305. lubricating the copper block; 4. a front ear plate; 5. An active arm; 501. a front movable arm; 502. a rear movable arm; 503. the inner cavity of the section steel; 504. a telescopic oil cylinder; 505. an auxiliary boom; 6. a boom cylinder; 7. and connecting the ear seat.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-3, the novel excavator movable arm bucket rod assembly includes a movable arm member and a bucket rod 1 connected with the movable arm member, the lower end of the movable arm member is connected with a rotary table 2 of the excavator, the working end of the bucket rod 1 is connected with a bucket of the excavator, the movable arm member includes a driving arm 5 with a front end movably hinged with a lug plate at the bottom of the middle section of the bucket rod 1 through a front lug plate 4 at the end of the movable arm member, a bucket rod cylinder 5 is arranged at the top of the middle section of the driving arm 5, the front end of the bucket rod cylinder 5 is movably hinged with the rear end of the bucket rod 1, the rear end is movably hinged with the lug plate at the top of the middle section of the driving arm 5, the driving arm 5 is of a telescopic structure, a movable arm cylinder 6 is arranged below the middle corner position of the driving arm 5, and the upper end of the movable arm cylinder 6 is movably hinged with a connecting lug seat 7 welded at the middle corner position of the, The lower end of the movable arm oil cylinder 6 is movably hinged with a shifting structural part 3 on the rotary table 2, the lower end of the active arm 5 is hinged to the top of the rotary table 2, and the shifting structural part 3 is used for driving the lower end of the movable arm oil cylinder 6 to shift and lock along the front-back direction.
The movable arm part is set as a telescopic part, so that the telescopic change amplitude of the whole movable arm and bucket rod 1 component can be effectively expanded, the effective retraction can be realized under the condition that the working condition is suddenly narrowed to adapt to the current working condition, the telescopic action of the movable arm oil cylinder 6 is controlled by a control system of the excavator to realize the swinging amplitude of the driving arm 5, the swinging amplitude of the bucket rod 1 is controlled by controlling the bucket rod oil cylinder 5, when the movement angle and the amplitude of the whole movable arm and bucket rod 1 component are required to be increased or reduced, the lower end position of the movable arm oil cylinder 6 can be driven by controlling the displacement structural part 3, the positioning jacking of different amplitudes of the driving arm 5 is realized, the adjustment of the fixed angle amplitude of the driving arm 5 is realized, the adjustment of the maximum movement range is realized, and the adaptation to different working condition requirements is realized.
Preferably, the active arm 5 is a reinforced square steel structure, the active arm 5 includes a front movable arm 501 and a rear movable arm 502 which are integrally connected, a telescopic cylinder 504 is installed in a section steel inner cavity 503 at one end of the front movable arm 501, which is far away from the arm 1, a cylinder body of the telescopic cylinder 504 is relatively fixedly arranged with the front movable arm 501, a pair of movable arms 505 is inserted into one end of the section steel inner cavity 503 of the front movable arm 501, which faces the arm 1, the inner end of the pair of movable arms 505 is fixedly connected with the front end of a piston rod of the telescopic cylinder 504, and the telescopic cylinder 504 is connected with a hydraulic control system and an oil tank of the excavator through an oil path and a lead.
The length of the auxiliary boom 505 outside the main boom 5 can be effectively controlled by controlling the extension length of the piston rod of the telescopic cylinder 504, so that the structure of the whole movable boom member can be adjusted, the size of the boom arm 1 assembly can be adjusted, and the working condition requirement can be matched.
Preferably, the shift structure 3 is including setting up inversion T type spout 301 on the revolving stage 2 inversion T type spout 301 sliding fit has an I shape slide base 302 the top fixed mounting of I shape slide base 302 has a lug seat 303, the lower extreme of swing arm hydro-cylinder 6 with swing joint between the lug seat 303 invert the rear side of T type spout 301 and linked firmly the shift hydro-cylinder 304 of a level setting, the cylinder body of shift hydro-cylinder 304 links firmly on the revolving stage 2, the front end of piston rod with the rear end face of I shape slide base 302 links firmly, shift hydro-cylinder 304 passes through the oil circuit, and the wire links to each other with the hydraulic control system and the oil tank of excavator.
When the lower end of the movable arm cylinder 6 is required to adjust the jacking angle of the active arm 5, the shifting cylinder 304 can be controlled to stretch and retract so as to drive the lower end of the movable arm cylinder 6 to realize shifting and fixing, so that the range of jacking amplitude of the movable arm cylinder 6 to the active arm 5 can be effectively expanded, the adjustment of the moving amplitude between the whole movable arm bucket rod 1 assembly is realized, and the current working condition requirement is effectively matched.
Preferably, lubricating copper blocks 305 are fixedly mounted on the side walls of the i-shaped sliding seat 302 matched with the inverted T-shaped sliding groove 301 respectively.
The lubricating copper block 305 can perform a self-lubricating function in the sliding process of the I-shaped sliding seat 302, so that the smooth movement is maintained, and the resistance in the movement process is reduced.
The movable arm part is set as a telescopic part, so that the telescopic change amplitude of the whole movable arm and bucket rod 1 component can be effectively expanded, the effective retraction can be realized under the condition that the working condition is suddenly narrowed to adapt to the current working condition, the telescopic action of the movable arm oil cylinder 6 is controlled by a control system of the excavator to realize the swinging amplitude of the driving arm 5, the swinging amplitude of the bucket rod 1 is controlled by controlling the bucket rod oil cylinder 5, when the movement angle and the amplitude of the whole movable arm and bucket rod 1 component are required to be increased or reduced, the lower end position of the movable arm oil cylinder 6 can be driven by controlling the displacement structural part 3, the positioning jacking of different amplitudes of the driving arm 5 is realized, the adjustment of the fixed angle amplitude of the driving arm 5 is realized, the adjustment of the maximum movement range is realized, and the adaptation to different working condition requirements is realized.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (4)
1. Novel excavator swing arm dipper subassembly, including the arm piece and the dipper that is connected with the arm piece, the lower extreme of arm piece links to each other with the revolving stage of excavator, the work end of dipper links to each other its characterized in that with the scraper bowl of excavator: the movable arm part comprises a front lug plate at the front end of the movable arm part and a driving arm movably hinged to a lug plate at the bottom of the middle section of the bucket rod, a bucket rod oil cylinder is arranged at the top of the middle section of the driving arm, the front end of the bucket rod oil cylinder is movably hinged to the rear end of the bucket rod, the rear end of the bucket rod is movably hinged to the lug plate at the top of the middle section of the driving arm, the driving arm is of a telescopic structure, a movable arm oil cylinder is arranged below the middle corner position of the driving arm, the upper end of the movable arm oil cylinder is welded to the upper end of the driving arm, the connecting lug seat at the middle corner position of the driving arm is movably hinged to the lower end of the driving arm, the lower end of the driving arm oil cylinder is movably hinged to a shifting structural part on the rotary table, the lower end of the driving arm is hinged to the top.
2. The novel excavator boom and stick assembly of claim 1, wherein: the active arm is of a reinforced square steel structure and comprises a front movable arm and a rear movable arm which are integrally connected, a telescopic oil cylinder is installed in a section steel inner cavity at one end, away from the bucket rod, of the front movable arm, a cylinder body of the telescopic oil cylinder is fixedly arranged relative to the front movable arm, a pair of movable arms are inserted into one end, facing the bucket rod, of the section steel inner cavity of the front movable arm, and the inner ends of the pair of movable arms are fixedly connected with the front end of a piston rod of the telescopic oil cylinder.
3. The novel excavator boom and stick assembly of claim 2, wherein: the aversion structure is including setting up inversion T type spout on the revolving stage inversion T type spout sliding fit has an I shape slide's top fixed mounting has a lug seat down, the lower extreme of swing arm hydro-cylinder with swing joint between the lug seat down the rear side of inverting T type spout has linked firmly the aversion hydro-cylinder that a level set up, the cylinder body of aversion hydro-cylinder links firmly on the revolving stage, the front end of piston rod with the rear end face of I shape slide links firmly.
4. The novel excavator boom and stick assembly of claim 3, wherein: and lubricating copper blocks are respectively and fixedly arranged on the side walls of the I-shaped sliding seat matched with the inverted T-shaped sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874410.XU CN212612691U (en) | 2020-05-22 | 2020-05-22 | Novel excavator movable arm bucket rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020874410.XU CN212612691U (en) | 2020-05-22 | 2020-05-22 | Novel excavator movable arm bucket rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212612691U true CN212612691U (en) | 2021-02-26 |
Family
ID=74751815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020874410.XU Expired - Fee Related CN212612691U (en) | 2020-05-22 | 2020-05-22 | Novel excavator movable arm bucket rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212612691U (en) |
-
2020
- 2020-05-22 CN CN202020874410.XU patent/CN212612691U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |