CN103912035B - The connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device - Google Patents
The connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device Download PDFInfo
- Publication number
- CN103912035B CN103912035B CN201310505835.8A CN201310505835A CN103912035B CN 103912035 B CN103912035 B CN 103912035B CN 201310505835 A CN201310505835 A CN 201310505835A CN 103912035 B CN103912035 B CN 103912035B
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- China
- Prior art keywords
- connecting shaft
- digging tool
- excavator
- axis hole
- driving gear
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Abstract
The invention discloses the connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device, the present invention installs a driving gear in advance by the axis hole of each installation connecting shaft of digging tool, and the tooth bar that can be engaged with driving gear is produced on connecting shaft, so when being connected on the forearm of excavator digging tool by connecting shaft, connecting shaft can be made to inject step by step in digging tool and the axis hole of small arm of digger by rotational driving gear, digging tool is connected on small arm of digger;When needing connecting shaft is pulled down from the forearm of the digging tool linking together and excavator, only need rotational driving gear in the opposite direction, you can so that connecting shaft is exited from the axis hole of digging tool and the forearm of excavator.The present invention not only have be convenient to mount and dismount, laborsaving, efficiently advantage, but also have the advantages that structure is simple, processing ease, low manufacture cost can effectively extend the service life of whole excavating equipment.
Description
Technical field
The present invention relates to the connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device, belong to excavator auxiliary
Help technical field of tools.
Background technology
At present, in the prior art, when needing the bucket using on excavator, quartering hammer, hydraulic shear or hydraulic tongs etc.
When digging tool is connected with the forearm of excavator, commonly used artificial mode by connecting shaft insertion be arranged on digging tool and
In axis hole on small arm of digger, digging tool and the forearm of excavator is made to link together, this employing manual type insertion
The method that connecting shaft is attached not only has that workman's amount of labour is big, install very inconvenient, ineffective problem, and
Also there is the problem being difficult to change digging tool and easily damage machine when changing digging tool.Particularly in one kind
After digging tool uses the long period, when another kind of digging tool is changed on the forearm of excavator, due to life-time service
When the reason exposed to the sun and rain, the nut in its connecting shaft can produce certain getting rusty, at this moment by small arm of digger
When digging tool takes off, the nut that gets rusty in connecting shaft first must be beaten using the instrument that beats and loosen and take off by operator
Afterwards, then with beaing after the axis hole that connecting shaft is tapped on axle bed hole and small arm of digger on digging tool by instrument, could incite somebody to action
This digging tool takes off, and then could change another kind of digging tool, and when changing, ability by the way of beaing again
Connecting shaft is beaten in axis hole, this by the way of beaing installation or removal, not only the damage to machine is very big, but also
The problems such as existing that the amount of labour is big, waste time and energy, assembling and disassembling that efficiency is low, easily causing the service life of equipment and shorten.Therefore, existing
Excavator very undesirable with the connected mode of digging tool.
Content of the invention
The purpose of the present invention is:One kind is provided to be convenient to mount and dismount, laborsaving, quick and structure is simple, processing ease, be fabricated to
The connecting shaft mounting and dismounting method of this relatively low excavator and digging tool and assembling and disassembling device, to overcome the deficiencies in the prior art.
The present invention is realized in:A kind of excavator of the present invention with the connecting shaft mounting and dismounting method of digging tool is,
When digging tool is connected on the forearm of excavator by connecting shaft, in advance in the axle of each installation connecting shaft of digging tool
One driving gear is all installed by hole, and the tooth bar that can be engaged with driving gear is produced on connecting shaft, so will excavate
When instrument is connected on the forearm of excavator by connecting shaft, you can first digging tool is placed on by the forearm of excavator, and make
By the axis hole of digging tool near the axis hole of small arm of digger, then the axis hole into digging tool is first inserted in the front end of connecting shaft
In, and so that the tooth bar in connecting shaft is engaged with driving gear, then so that connecting shaft is injected step by step by rotational driving gear and dig
Inject again after the axis hole of pick instrument one end in the axis hole of small arm of digger, when the front end of connecting shaft passes through the digging tool other end
After axis hole, you can digging tool is connected to the installation completing connecting shaft on small arm of digger;When needing connecting shaft from connection
When pulling down on digging tool together and the forearm of excavator, only need rotational driving gear in the opposite direction, so
Connecting shaft is made to exit from the axis hole of digging tool and the forearm of excavator by the driving of driving gear, thus by digging tool
Pull down from the forearm of excavator with connecting shaft.
Above-mentioned in rotational driving gear, can be driven by impersonal force or carry out rotational driving gear by way of manual, it is non-
Manpower type of drive is to drive driving gear to rotate by the way of motor transmission or hydraulic motor transmission, and its manual mode is
Manually carry out rotational driving gear by way of using swinging handle.
According to a kind of excavator of the present invention that said method builds with the connecting shaft assembling and disassembling device of digging tool it is:This dress
Put including the connecting shaft for being connected digging tool with small arm of digger, tooth bar is provided with connecting shaft, connecting shaft is contained in use
In the axis hole of the mounting seat being arranged in digging tool casing, equipped with the drive that can engage with the tooth bar of connecting shaft in mounting seat
Moving gear.
Grafting set for being connected with the axis hole in digging tool casing is provided with above-mentioned mounting seat, in digging tool machine
It is provided with the support sleeve for supporting connecting shaft in another axis hole of corresponding installation grafting set axis hole on shell.
It is provided with circular cone guide end and lead, the diameter of lead and connection shaft diameter phase in the front end of above-mentioned connecting shaft
Same, it is provided with locating piece in the rear end of connecting shaft, and the positioning lock that can be threadeded with mounting seat is provided with locating piece
Fixing bolt.
The casing of above-mentioned mounting seat and digging tool is all respectively equipped with bullport, in the bullport of mounting seat respectively
Equipped with push rod, it is cased with clamping sleeve in the front end of the grafting set of mounting seat, equipped with for pushing and withstanding pressure in the bullport of digging tool
The T-shaped push rod of tight set, equipped with return spring on T-shaped push rod, is designed with for promoting T-shaped push rod in the front end of each push rod
Stage clip.
Above-mentioned support sleeve and the axis hole tight fit of digging tool, are cased with bushing on the inner of support sleeve.
Above-mentioned clamping sleeve and two corresponding faces of bushing are designed with lead-in chamfered.
Above-mentioned digging tool is for being connected to the bucket use on small arm of digger, quartering hammer, hydraulic shear or hydraulic pressure
Pincers etc..
It is defeated that above-mentioned driving gear is fixed on the power being connected with artificial crank handle, motor or driving device for hydraulic motor
Enter on axle, one end of power input shaft is supported in the gear shaft holes of mounting seat, and the other end of power input shaft is supported on gear
On axle sleeve and stretch out the outside of gear bush, gear bush is bolted in mounting seat.
Due to employing technique scheme, the present invention directly install by the axis hole of connecting shaft by each in digging tool
One driving gear is installed, and the tooth bar that can be engaged with driving gear is produced on connecting shaft, so can be driven by rotation
Moving gear is convenient and easily injects connecting shaft in digging tool and the axis hole of small arm of digger, makes digging tool and excavator
Forearm link together;When needing to pull down it from the forearm of digging tool and excavator, only need in the opposite direction
Rotational driving gear, you can relaxedly and rapidly make connecting shaft exit from the axis hole of digging tool and the forearm of excavator, thus
Digging tool and connecting shaft are pulled down from the forearm of excavator.Can not only be effectively prevented from connecting shaft is beaten using the present invention
Disadvantage, and the work efficiency of assembly and disassembly can also be greatly improved.So, compared with prior art, the present invention not only has the present invention
Be convenient to mount and dismount, laborsaving, efficiently advantage, but also have that structure is simple, processing ease, low manufacture cost can effectively prolong
The advantages of service life of long whole excavating equipment.
Brief description
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the A-A cross section structure diagram of Fig. 1;
Fig. 3 is arranged on digging tool (digging tool of in figure is quartering hammer) little with excavator for assembly of the invention
Arm connects structural representation when using.
Description of reference numerals:1- connecting shaft, 1.1- tooth bar, 1.2- lead, 1.3- locating piece, 2- driving gear, 3- pacifies
Dress seat, 3.1- grafting set, 4- support sleeve, 5- push rod, 6- stage clip, 7-T shape push rod, 8- clamping sleeve, 9- return spring, 10- is fixed
Position lock bolt, 11- bushing, 12- lead-in chamfered, 13- power input shaft, 14- gear bush, 15- digging tool, 16- excavates
Machine forearm.
Specific embodiment
With reference to the accompanying drawings and examples the present invention is made further specifically.
Embodiments of the invention:A kind of excavator of the present invention can be directly existing with the connecting shaft mounting and dismounting method of digging tool
Some digging tools are implemented, and as shown in figures 1 and 3, during enforcement, existing digging tool are being connected to by connecting shaft
When on the forearm of excavator, by the axis hole of each installation connecting shaft of digging tool, a driving gear is installed in advance, and
The tooth bar that can be engaged with driving gear is produced on connecting shaft, so digging tool is being connected to excavator by connecting shaft
Forearm on when, you can first digging tool is placed on by the forearm of excavator, and makes the axis hole of digging tool near excavator
The axis hole of forearm, then first inserts the front end of connecting shaft in the axis hole of digging tool, and makes the tooth bar in connecting shaft and drive
Moving gear engages, and then so that connecting shaft is injected after injecting the axis hole of digging tool one end step by step by rotational driving gear again and digs
In the axis hole of pick machine forearm, after the front end of connecting shaft passes through the axis hole of the digging tool other end, you can digging tool is connected
The installation of connecting shaft is completed on small arm of digger;When needing connecting shaft from the digging tool linking together and excavator
When pulling down on forearm, only need rotational driving gear in the opposite direction, so connecting shaft can be made by the driving of driving gear
Exit from the axis hole of digging tool and the forearm of excavator, thus digging tool and connecting shaft are torn open from the forearm of excavator
Under.When rotational driving gear, can be driven by impersonal force or carry out rotational driving gear by way of manual, its impersonal force driving side
Formula is to drive driving gear to rotate by the way of motor transmission or hydraulic motor transmission, and its manual mode is artificial by adopting
With the mode of swinging handle come rotational driving gear.
A kind of structure of the connecting shaft assembling and disassembling device of the excavator of the present invention being built according to said method and digging tool
As shown in Figure 1-Figure 3, this device includes the connection for being connected existing digging tool 15 with small arm of digger 16 to schematic diagram
Axle 1, its digging tool 15 is of the prior art for being connected to the bucket use on small arm of digger 16, quartering hammer, hydraulic pressure
Cut or hydraulic tongs;During enforcement, connecting shaft 1 directly produces tooth bar 1.1, and so that connecting shaft 1 is contained in and dig for being arranged on
In the axis hole of mounting seat 3 in pick instrument 15 casing, mounting seat 3 is installed one simultaneously and can nibble with the tooth bar 1.1 of connecting shaft 1
The driving gear 2 closed, driving gear 2 is fixed on can be with traditional artificial crank handle, motor driver or hydraulic motor
On the power input shaft 13 that driving means connect, so that one end of power input shaft 13 is supported in the gear shaft holes of mounting seat 3, move
The other end of power input shaft 13 is supported on gear bush 14 and stretches out the outside of gear bush 14, and gear bush 14 is passed through
It is bolted to (as shown in Figure 2) in mounting seat 3, so in rotational driving gear 2, can pass through traditional crank handle or pull
After the instruments such as handss are connected with power input shaft 13, crank handle or spanner are shaken by manpower and drives driving gear 2 to rotate, also can be by
The conventional motor driver being provided with reducing gear or driving device for hydraulic motor are connected with power input shaft 13, so
Driving gear 2 is driven to rotate by motor driver or driving device for hydraulic motor;In order that mounting seat 3 can be firmly attached
On digging tool, a grafting set for being connected with the axis hole in digging tool 15 casing can be produced on mounting seat 3
3.1, and enable grafting cover 3.1 with digging tool 15 casing on axis hole tight fit, simultaneously casing in digging tool 15 relatively
Ying Yu is provided with another axis hole of grafting set 3.1 axis holes and installs a support sleeve 4 for supporting connecting shaft 1, in order to
Make connection relatively reliable, after mounting seat 3 and support sleeve 4 are arranged in the casing of digging tool 15, also can adopt weldering again
The mode connecing is welded in casing;During making, in order to easy to install and use, the front end of connecting shaft 1 can be fabricated to circle
Cone guide end, and its front end make one section long about 10~80 millimeters of long leads 1.2, make this lead 1.2 diameter and
The diameter of connecting shaft 1 is identical, and a locating piece 1.3 is fixed in the rear end in connecting shaft 1 simultaneously, and installs on locating piece 1.3
One positioning locking bolt 10 that can be threadeded with mounting seat 3, so when using, when being installed in place connecting shaft 1
Afterwards, lock bolt 10 is connected in the screw of mounting seat 3, operationally produces movement so as to be effectively prevented connecting shaft 1
Or rotate;In order to when using, digging tool 15 be made closely to be connected with small arm of digger 16, in mounting seat 3 and can excavate
All make two bullports respectively in the casing of instrument 15, and fill a push rod 5 in the bullport of mounting seat 3 respectively, simultaneously
In one clamping sleeve 8 of front end sleeve of the grafting set 3.1 of mounting seat 3, the bullport of digging tool 15 fills one respectively and is used for
The T-shaped push rod 7 of pushing and withstanding clamping sleeve 8, fills a return spring 9 on each T-shaped push rod 7, and the front end in each push rod 5
Fill a stage clip 6 for promoting T-shaped push rod 7, so when using, after connecting shaft 1 moves into place, T-shaped push rod 7 is in guiding
In the presence of push rod 5 and stage clip 6, it will closely overlay clamping sleeve 8 on small arm of digger 16;For the ease of by digger
Tool 15 is attached with small arm of digger 16, will support sleeve 4 and digging tool 15 axis hole tight fit connection good after, can be
One bushing 11 is covered on the inner of support sleeve 4 again, all makes respectively on clamping sleeve 8 and 11 two corresponding faces of bushing simultaneously
Make a lead-in chamfered 12 (as shown in Figure 1).
When using the present invention, after connecting shaft 1 moves into place, then lock bolt 10 is passed through behind the hole of locating piece 1.3
It is connected in the screw of mounting seat 3, so connecting shaft 1 can be locked;When needing to pull down connecting shaft 1, only need to will lock
Fixing bolt 10 unclamps after taking off, and at this moment can be driven in the mobile shaft outlet hole of connecting shaft 1 by driving gear 2, thus by connecting shaft 1
Pull down.
Claims (8)
1. a kind of excavator and digging tool connecting shaft mounting and dismounting method it is characterised in that:Digging tool is being passed through connecting shaft
When being connected on the forearm of excavator, by the axis hole of each installation connecting shaft of digging tool, a sliding tooth is installed in advance
Wheel, and the tooth bar that can be engaged with driving gear is produced on connecting shaft, so digging tool is being connected to by connecting shaft
When on the forearm of excavator, you can first digging tool is placed on by the forearm of excavator, and make the axis hole of digging tool near digging
Then the front end of connecting shaft is first inserted in the axis hole of digging tool by the axis hole of pick machine forearm, and make tooth bar in connecting shaft with
Driving gear engages, and then so that connecting shaft is injected after injecting the axis hole of digging tool one end step by step again by rotational driving gear
In the axis hole of small arm of digger, after the front end of connecting shaft passes through the axis hole of the digging tool other end, you can by digging tool even
It is connected on the installation that connecting shaft is completed on small arm of digger;When needing connecting shaft from the digging tool linking together and excavator
Forearm on when pulling down, only need rotational driving gear in the opposite direction, so connection can be made by the driving of driving gear
Axle exits from the axis hole of digging tool and the forearm of excavator, thus by digging tool and connecting shaft from the forearm of excavator
Pull down.
2. excavator according to claim 1 and digging tool connecting shaft mounting and dismounting method it is characterised in that:Drive rotating
During moving gear, can be driven by impersonal force or carry out rotational driving gear by way of manual, its impersonal force type of drive is using electricity
Driving driving gear to rotate, its manual mode is artificial by adopting swinging handle to the mode of machine transmission or hydraulic motor transmission
Mode carry out rotational driving gear.
3. the connecting shaft assembling and disassembling device of a kind of excavator and digging tool, including for by digging tool(15)With small arm of digger
(16)The connecting shaft connecting(1)It is characterised in that:In connecting shaft(1)It is provided with tooth bar(1.1), connecting shaft(1)It is contained in for pacifying
It is contained in digging tool(15)Mounting seat in casing(3)Axis hole in, in mounting seat(3)In equipped with can and connecting shaft(1)Tooth
Bar(1.1)The driving gear of engagement(2);In mounting seat(3)Be provided with for digging tool(15)Axis hole in casing connects
Grafting set(3.1), in digging tool(15)In casing with grafting set is installed(3.1)Corresponding another axis hole of axis hole
In be provided with for supporting connecting shaft(1)Support sleeve(4);Described digging tool(15)It is for being connected to small arm of digger
(16)The bucket of upper use, quartering hammer, hydraulic shear or hydraulic tongs.
4. excavator according to claim 3 and digging tool connecting shaft assembling and disassembling device it is characterised in that:In connecting shaft
(1)Front end be provided with circular cone guide end and lead(1.2), lead(1.2)Diameter and connecting shaft(1)Diameter is identical,
Connecting shaft(1)Rear end be provided with locating piece(1.3), and in locating piece(1.3)It is provided with energy and mounting seat(3)Carry out screw thread even
The positioning locking bolt connecing(10).
5. excavator according to claim 4 and digging tool connecting shaft assembling and disassembling device it is characterised in that:In mounting seat
(3)And digging tool(15)Casing on be all respectively equipped with bullport, in mounting seat(3)Bullport in be respectively provided with push rod
(5), in mounting seat(3)Grafting set(3.1)Front end be cased with clamping sleeve(8), in digging tool(15)Bullport in equipped with
For pushing and withstanding clamping sleeve(8)T-shaped push rod(7), in T-shaped push rod(7)On equipped with return spring(9), in each push rod(5)Before
End is designed with for promoting T-shaped push rod(7)Stage clip(6).
6. excavator according to claim 5 and digging tool connecting shaft assembling and disassembling device it is characterised in that:Support sleeve
(4)With digging tool(15)Axis hole tight fit, in support sleeve(4)The inner on be cased with bushing(11).
7. excavator according to claim 6 and digging tool connecting shaft assembling and disassembling device it is characterised in that:In clamping sleeve
(8)With bushing(11)It is designed with lead-in chamfered on two corresponding faces(12).
8. excavator according to claim 3 and digging tool connecting shaft assembling and disassembling device it is characterised in that:Driving gear
(2)It is fixed on the power input shaft being connected with artificial crank handle, motor or driving device for hydraulic motor(13)On, power is defeated
Enter axle(13)One end be supported on mounting seat(3)Gear shaft holes in, power input shaft(13)The other end be supported on gear shaft
Set(14)Go up and stretch out gear bush(14)Outside, gear bush(14)It is bolted on mounting seat(3)On.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310505835.8A CN103912035B (en) | 2013-10-24 | 2013-10-24 | The connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310505835.8A CN103912035B (en) | 2013-10-24 | 2013-10-24 | The connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device |
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Publication Number | Publication Date |
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CN103912035A CN103912035A (en) | 2014-07-09 |
CN103912035B true CN103912035B (en) | 2017-03-01 |
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CN201310505835.8A Expired - Fee Related CN103912035B (en) | 2013-10-24 | 2013-10-24 | The connecting shaft mounting and dismounting method of a kind of excavator and digging tool and assembling and disassembling device |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102605814A (en) * | 2012-04-24 | 2012-07-25 | 河北工业大学 | Rotating mechanism for excavator working device |
CN203042466U (en) * | 2013-01-16 | 2013-07-10 | 钜程座垫有限公司 | Fouling resistant paper automatic replacing device |
CN203684310U (en) * | 2013-10-24 | 2014-07-02 | 程鹤峰 | Device for assembling and disassembling connecting shaft between excavator and excavating tool |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4417401A1 (en) * | 1994-05-18 | 1995-11-30 | Thomas Dipl Ing Ostermeyer | Equipment carrier |
JP4081465B2 (en) * | 2004-09-13 | 2008-04-23 | 新キャタピラー三菱株式会社 | Attachment boss structure and assembly method thereof |
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2013
- 2013-10-24 CN CN201310505835.8A patent/CN103912035B/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102605814A (en) * | 2012-04-24 | 2012-07-25 | 河北工业大学 | Rotating mechanism for excavator working device |
CN203042466U (en) * | 2013-01-16 | 2013-07-10 | 钜程座垫有限公司 | Fouling resistant paper automatic replacing device |
CN203684310U (en) * | 2013-10-24 | 2014-07-02 | 程鹤峰 | Device for assembling and disassembling connecting shaft between excavator and excavating tool |
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