CN208329040U - Ultra-large type excavator main valve assembly - Google Patents
Ultra-large type excavator main valve assembly Download PDFInfo
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- CN208329040U CN208329040U CN201820937276.6U CN201820937276U CN208329040U CN 208329040 U CN208329040 U CN 208329040U CN 201820937276 U CN201820937276 U CN 201820937276U CN 208329040 U CN208329040 U CN 208329040U
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- bigeminy
- main valve
- dipper
- swing arm
- scraper bowl
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Abstract
The utility model discloses a kind of ultra-large type excavator main valve assemblies, belong to a kind of main valve assembly of excavator.It mainly includes main valve, and main valve includes swing arm one, swing arm bigeminy, dipper one, dipper bigeminy, scraper bowl one and revolution one；It further include plate valve, plate valve includes swing arm three, dipper three, scraper bowl bigeminy and revolution bigeminy, and swing arm one and swing arm bigeminy are in parallel with swing arm three, and dipper one and dipper bigeminy are in parallel with dipper three, scraper bowl one is in parallel with scraper bowl bigeminy, and revolution one is in parallel with revolution bigeminy.The utility model replaces a big valve assembly of script using two small-sized valve assemblies, is greatly saved cost, reduces research and development manufacture difficulty, breaks the situation that ultra-large type excavator is monopolized.The utility model is mainly used for ultra-large type excavator.
Description
Technical field
The utility model belongs to a kind of main valve assembly of excavator, specifically, more particularly to a kind of ultra-large type excavator
With main valve assembly.
Background technique
The ultra-large type excavator of ultra-large type excavator, especially hundred ton or more, are mainly used in opening for large-scale mineral resources
The Large Constructions such as hair, large foundation construction, marine reclamation land engineering, are monopolized by foreign capitals brand for many years.Its own has concentrated digging
The state-of-the-art technology in pick machine field, therefore, equipment price are expensive, and the hydraulic system price of core is even more high.Excavator is hydraulic
System is the core control and moving system of excavator, fuel feeding route from hydraulic pump to each hydraulic action element and confession that define
Oily mode, more hydraulic actuators simultaneously operation when assignment of traffic and how to realize composite move, determine excavator operation
When kinematics and dynamic (dynamical) characteristic, movement be preferential and cooperation, interflow fuel feeding and straight line walking etc..
Currently, tonnage constantly increases, mainly uses as excavator is by medium-and-large-sized excavator to ultra-large type excavator
Technical solution is to replace the bigger main valve of stem diameter, and to guarantee that hydraulic system has enough flows, this results in valve body of main valve
Shape, weight, difficulty of processing constantly increase, the growth of the cost and price of hydraulic system also and then at double, meanwhile, research and development
Manufacture difficulty is higher, quantity in stock is larger.
Utility model content
The purpose of the utility model is to overcome drawbacks described above, provide a kind of ultra-large type excavator main valve assembly, adopt
The big valve assembly that script is replaced with two small-sized valve assemblies, is greatly saved cost, reduces research and development manufacture difficulty, beat
The situation that broken ultra-large type excavator is monopolized.
The ultra-large type excavator main valve assembly, including main valve, main valve include swing arm one, swing arm bigeminy, dipper
One, dipper bigeminy, scraper bowl one and revolution one；It further include plate valve, plate valve includes swing arm three, dipper three, scraper bowl two
Connection and revolution bigeminy, swing arm one and swing arm bigeminy are in parallel with swing arm three, and dipper one and dipper bigeminy and dipper three are simultaneously
Connection, scraper bowl one is in parallel with scraper bowl bigeminy, and revolution one is in parallel with revolution bigeminy.
Further, the swing arm one and swing arm two of the scraper bowl one of the main valve, the scraper bowl bigeminy of plate valve and main valve
Join, the swing arm three of plate valve is controlled by scraper bowl guide and swing arm guide's assembly, and connect respectively with bucket cylinder and boom cylinder.
Further, the dipper one and dipper two of the revolution one of the main valve, the revolution bigeminy of plate valve and main valve
Join, the dipper three of plate valve is controlled by revolution guide and dipper guide's assembly, and connect respectively with rotary motor and bucket arm cylinder.
Further, the main valve includes that left lateral walks connection and right lateral and walks connection, and left lateral walks connection and right lateral walks connection and walks elder generation by left lateral
It leads and walks the control of guide's assembly with right lateral, and connect respectively with running motor.
Further, the main valve is equipped with straight line walking connection.
Further, the main valve is equipped with spare.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is in parallel with newly-increased plate valve using small-sized main valve used in medium-and-large-sized excavator, instead of existing
Large-scale tradition main valve, solves traditional main valve bulky, fabricates difficult problem, it is hydraulic to reduce ultra-large type excavator
The research and development cost and manufacturing cost of system；
2, the hydraulic system of ultra-large type excavator and the hydraulic system of medium-and-large-sized excavator be not general in the prior art, this reality
Cooperated with novel using original main valve and newly-increased plate valve, makes ultra-large type excavator hydraulic system and medium-and-large-sized excavator with hydraulic
System shares a platform, and most of element is general, these universal components only need spare set of system, greatly reduces
The inventory of hydraulic system；
3, ultra-large type excavator and medium-and-large-sized excavator hydraulic system is general, is more simplified using operation, hence it is evident that reduces
Labor intensity of workers；
4, the hydraulic system of ultra-large type excavator and medium-and-large-sized excavator shares identical complete machine big data, but also research and development
More energy are dropped in power match, pipeline optimization, noise reduction, prolonged the service life etc. by personnel, are further improved
Product various aspects of performance solves the situation that ultra-large type excavator is monopolized by foreign capitals brand.
Detailed description of the invention
Fig. 1 is the main view of plate valve；
Fig. 2 be in Fig. 1 C-C to cross-sectional view；
Fig. 3 is the main view of main valve；
Fig. 4 is sectional view along A-A in Fig. 3；
Fig. 5 is B-B direction cross-sectional view in Fig. 3；
Fig. 6 is the systematic schematic diagram of plate valve；
Fig. 7 is the systematic schematic diagram of main valve；
Fig. 8 is the use state schematic diagram of the utility model；
Fig. 9 is part A partial enlarged view in Fig. 8；
Figure 10 is part B partial enlarged view in Fig. 8；
Figure 11 is C portion partial enlarged view in Fig. 8.
In figure, 1, main valve；2, plate valve；3, guide's assembly；4, bucket cylinder；5, boom cylinder；6, left lateral walks guide and the right side
Walking guide's assembly；7, collaborate valve block；8, scraper bowl guide and swing arm guide's assembly；9, guide and dipper guide's assembly are turned round；10,
Sebific duct；11, logic valve block；12, electromagnetism valve block；13, pilot oil source；14, main pump assembly；15, engine assembly；16, hydraulic oil
Case；17, rotary motor；18, bucket arm cylinder；19, running motor；20, dipper bigeminy；21, scraper bowl one；22, swing arm one；
23, right lateral walks connection；24, straight line walking connection；25, dipper one；26, spare；27, one is turned round；28, swing arm bigeminy；29,
Left lateral walks connection；30, dipper three；31, scraper bowl bigeminy；32, bigeminy is turned round；33, swing arm three.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figures 1 to 7, ultra-large type excavator main valve assembly, including main valve 1 and plate valve 2, main valve 1 include swing arm
One 22, swing arm bigeminy 28, dipper 1, dipper bigeminy 20, scraper bowl 1, revolution 1,24 and of straight line walking connection
Spare 26；Plate valve 2 includes swing arm 3 33, dipper 3 30, scraper bowl bigeminy 31 and revolution bigeminy 32, swing arm 1 and dynamic
Arm bigeminy 28 is in parallel with swing arm 3 33, and dipper 1 and dipper bigeminy 20 are in parallel with dipper 3 30, scraper bowl 1 with
Scraper bowl bigeminy 31 is in parallel, and revolution 1 is in parallel with revolution bigeminy 32.
As shown in figure 8, the scraper bowl bigeminy 31 of the scraper bowl 1 of the main valve 1, plate valve 2 and the swing arm one of main valve 1
22 and the swing arm 3 33 of swing arm bigeminy 28, plate valve 2 controlled by scraper bowl guide and swing arm guide assembly 8, and respectively with scraper bowl oil
Cylinder 4 and boom cylinder 5 connect；One 25 and of dipper of the revolution 1 of main valve 1, the revolution bigeminy 32 of plate valve 2 and main valve 1
Dipper bigeminy 20, plate valve 2 dipper 3 30 by revolution guide and dipper guide assembly 9 control, and respectively with rotary motor 17
It is connected with bucket arm cylinder 18；Main valve 1 walks connection 29 including left lateral and right lateral walks connection 23, and left lateral walks connection 29 and right lateral walks connection 23 by left lateral
It walks guide and right lateral walks the control of guide's assembly 6, and connect respectively with running motor 19.
As shown in Figures 9 to 11, when the utility model is used, main valve 1 and plate valve 2 and executive component, guide's assembly 3,
Main pump assembly 14, engine assembly 15 and hydraulic oil container 16 are used cooperatively.Main valve 1 and plate valve 2 are in parallel by sebific duct 10, main valve 1
Connect with after 2 parallel connection of plate valve with executive component, guide's hydraulic fluid port of main valve 1 and plate valve 2 is connect with guide's assembly 3, guide's assembly 3 with
Collaborate valve block 7 to connect, interflow valve block 7 is connect by electromagnetism valve block 12 and pilot oil source 13 with main pump assembly, main pump assembly 14
Oil inlet is connect with hydraulic oil container 16, and the oil outlet of main pump assembly 14 is connect with main valve 1 and plate valve 2, main pump assembly 14 with start
Machine assembly 15 connects.Executive component includes bucket cylinder 4, boom cylinder 5, rotary motor 17, bucket arm cylinder 18, running motor
19, scraper bowl 1 is connect with after 31 parallel connection of scraper bowl bigeminy with bucket cylinder 4, swing arm 1 and swing arm bigeminy 28 and swing arm
It is connect after 3 33 parallel connections with boom cylinder 5, revolution 1 is connect with after revolution 32 parallel connection of bigeminy with rotary motor 17, dipper
1 and dipper bigeminy 20 connect with after 3 30 parallel connection of dipper with bucket arm cylinder 18, left lateral walk connection 29 and right lateral walk connection 23 with
Running motor 19 connects.
Guide's assembly 3 include left lateral walk guide and right lateral walk guide's assembly 6, scraper bowl guide and swing arm guide assembly 8 and time
Turn guide and dipper guide assembly 9；Left lateral walks that guide walks guide's assembly 6 with right lateral and guide's hydraulic fluid port of main valve 1 is directly connected to, shovel
The guide that struggles against passes through guide's hydraulic fluid port of logic valve block 11 and main valve 1 with swing arm guide assembly 8 and revolution guide and dipper guide assembly 9
Connection；Left lateral walks guide and right lateral and walks that guide's assembly 6 walks connection 29 with the left lateral of main valve 1 respectively and right lateral is walked connection 23 and connect, realization
Main valve 1 is to 19 fuel feeding of running motor；Scraper bowl guide and swing arm guide assembly 8 pass through the scraper bowl 1 of main valve 1, plate valve 2 respectively
Scraper bowl bigeminy 31 and the swing arm 1 and swing arm bigeminy 28 of main valve 1, plate valve 2 swing arm 3 33, realize main valve 1 and piece
Valve 2 collaborates fuel feeding to bucket cylinder 4 and boom cylinder 5 respectively；Guide and dipper guide assembly 9 are turned round respectively by main valve 1
Turn round the dipper three of the revolution bigeminy 32 of one 27, plate valve 2 and the dipper 1 of main valve 1 and dipper bigeminy 20, plate valve 2
30, realize that main valve 1 and plate valve 2 collaborate fuel feeding to rotary motor 17 and bucket arm cylinder 18 respectively.
When the utility model at work, boom cylinder 5 is realized by the connection different from plate valve 2 of swing arm pilot-controlled main valve 1
Movement: the logical oil of guide's hydraulic fluid port 4pa2,5pa2, pb1, swing arm 1, swing arm bigeminy 28 move to right, and swing arm 3 33 moves to left, thus
Realize that hydraulic fluid port 4A2, B1 collaborate to give boom cylinder 5 big chamber fuel feeding, hydraulic fluid port 4B2 oil return, so that swing arm completes the movement of lifting；Instead
It, the logical oil of guide's hydraulic fluid port 4pb2,5pb2, pa1, swing arm 1, swing arm bigeminy 28 move to left, and swing arm 3 33 moves to right, thus real
Existing hydraulic fluid port 4B2 gives boom cylinder 5 small chamber fuel feeding, hydraulic fluid port 4A2, B1 oil return, so that swing arm completes the movement of decline.
The connection realization movement different from plate valve 2 by dipper pilot-controlled main valve 1 of bucket arm cylinder 18: guide's hydraulic fluid port 5pb5,
The logical oil of 4pa4, pb4, dipper 1, dipper 3 30 move to left, and dipper bigeminy 20 moves to right；To realize that hydraulic fluid port 5B5, B4 collaborate
Give bucket arm cylinder 18 small chamber fuel feeding, hydraulic fluid port 5A5, A4 oil return, so that dipper completes stent movement；Conversely, guide's hydraulic fluid port 5pa5,
The logical oil of 4pb4, pa4, dipper 1, dipper 3 30 move to right, and dipper bigeminy 20 moves to left；To realize that hydraulic fluid port 5A5, A4 collaborate
Give bucket arm cylinder 18 big chamber fuel feeding, hydraulic fluid port 5B5, B4 oil return, so that dipper completes contractive action.
The connection realization movement different from plate valve 2 by scraper bowl pilot-controlled main valve 1 of bucket cylinder 4: guide's hydraulic fluid port 4pa3,
The logical oil of pb3, scraper bowl 1 moves to right, scraper bowl bigeminy 31 moves to left；To realize that hydraulic fluid port 4A3 gives bucket cylinder 4 big chamber fuel feeding, oil
Mouth 4B3 oil return, so that scraper bowl completes contractive action；Conversely, the logical oil of guide's hydraulic fluid port 4pb3, pa3, scraper bowl 1 moved to left, scraper bowl
Bigeminy 31 moves to right；To realize that hydraulic fluid port 4B3, A3 collaborate to give bucket cylinder 4 small chamber fuel feeding, hydraulic fluid port A3 oil return, so that scraper bowl is completed
Stent movement.
The connection realization movement different from plate valve 2 by revolution pilot-controlled main valve 1 of rotary motor 17: guide's hydraulic fluid port 5pa3,
The logical oil of pa2, revolution 1, which moves to right, turns round bigeminy 32 moves to right；To realize that hydraulic fluid port 5A3, A2 collaborate to supply to rotary motor 17
Oil, hydraulic fluid port 5B3, B2 oil return, so that rotary motor 17 is turned round to side；Conversely, the logical oil of guide's hydraulic fluid port 5pb3, pb2, revolution one
It 27 moves to left, turn round bigeminy 32 and move to left；To realize that hydraulic fluid port 5B3, B2 collaborate to give rotary motor 17 fuel feeding, hydraulic fluid port 5A3, A2 oil return,
So that rotary motor 17 is turned round to the other side.
Running motor 19 is acted by the connection realization different from plate valve 2 of left and right walking pilot-controlled main valve 1: guide's hydraulic fluid port
The logical oil of 5pa1,4pa1, left lateral walk that connection 29 moves to right, right lateral is walked connection 23 and moved to right；To realize that hydraulic fluid port 5A1,4A1 are supplied to running motor 19
Oil, hydraulic fluid port 5B1,4B1 oil return, so that running motor 19 is walked to side；Conversely, the logical oil of guide's hydraulic fluid port 5pb1,4pb1, left lateral are walked
Connection 29 moves to left, right lateral is walked connection 23 and moved to left；To realize that hydraulic fluid port 5B1,4B1 give running motor 19 fuel feeding, hydraulic fluid port 5A1,4A1 oil return,
So that running motor 19 is walked to the other side.
Claims (6)
1. a kind of ultra-large type excavator main valve assembly, including main valve (1), main valve (1) includes swing arm one (22), swing arm bigeminy
(28), dipper one (25), dipper bigeminy (20), scraper bowl one (21), one (27) of revolution；It is characterized by also including pieces
Valve (2), plate valve (2) include swing arm three (33), dipper three (30), scraper bowl bigeminy (31) and revolution bigeminy (32), swing arm one
Join (22) and swing arm bigeminy (28) is in parallel with swing arm three (33), dipper one (25) and dipper bigeminy (20) and dipper three
(30) in parallel, scraper bowl one (21) is in parallel with scraper bowl bigeminy (31), and one (27) of revolution are in parallel with revolution bigeminy (32).
2. ultra-large type excavator main valve assembly according to claim 1, it is characterised in that: the scraper bowl of the main valve (1)
One (21), the swing arm one (22) of the scraper bowl bigeminy (31) of plate valve (2) and main valve (1) and swing arm bigeminy (28), plate valve (2)
Swing arm three (33) controlled by scraper bowl guide and swing arm guide assembly (8), and respectively with bucket cylinder (4) and boom cylinder
(5) it connects.
3. ultra-large type excavator main valve assembly according to claim 1, it is characterised in that: the revolution of the main valve (1)
One (27), the dipper one (25) of the revolution bigeminy (32) of plate valve (2) and main valve (1) and dipper bigeminy (20), plate valve (2)
Dipper three (30) by revolution guide and dipper guide assembly (9) control, and respectively with rotary motor (17) and bucket arm cylinder
(18) it connects.
4. ultra-large type excavator main valve assembly according to any one of claim 1 to 3, it is characterised in that: the master
Valve (1) include left lateral walk connection (29) and right lateral walk connection (23), left lateral walk connection (29) and right lateral walk join (23) by left lateral walk guide and
Right lateral walks guide's assembly (6) control, and connect respectively with running motor (19).
5. ultra-large type excavator main valve assembly according to claim 4, it is characterised in that: the main valve (1) is equipped with
Straight line walking connection (24).
6. ultra-large type excavator main valve assembly according to claim 5, it is characterised in that: the main valve (1) is equipped with
Spare (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820937276.6U CN208329040U (en) | 2018-06-15 | 2018-06-15 | Ultra-large type excavator main valve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820937276.6U CN208329040U (en) | 2018-06-15 | 2018-06-15 | Ultra-large type excavator main valve assembly |
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| Publication Number | Publication Date |
|---|---|
| CN208329040U true CN208329040U (en) | 2019-01-04 |
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ID=64771215
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820937276.6U Active CN208329040U (en) | 2018-06-15 | 2018-06-15 | Ultra-large type excavator main valve assembly |
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| CN (1) | CN208329040U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625424A (en) * | 2018-06-15 | 2018-10-09 | 山东临工工程机械有限公司 | Ultra-large type excavator main valve assembly |
-
2018
- 2018-06-15 CN CN201820937276.6U patent/CN208329040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625424A (en) * | 2018-06-15 | 2018-10-09 | 山东临工工程机械有限公司 | Ultra-large type excavator main valve assembly |
| CN108625424B (en) * | 2018-06-15 | 2023-12-15 | 山东临工工程机械有限公司 | Main valve assembly for ultra-large excavator |
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