CN110370014A - A kind of large excavator pivoting support guiding assembly method - Google Patents
A kind of large excavator pivoting support guiding assembly method Download PDFInfo
- Publication number
- CN110370014A CN110370014A CN201910651384.6A CN201910651384A CN110370014A CN 110370014 A CN110370014 A CN 110370014A CN 201910651384 A CN201910651384 A CN 201910651384A CN 110370014 A CN110370014 A CN 110370014A
- Authority
- CN
- China
- Prior art keywords
- pivoting support
- revolving platform
- guide pin
- assembly method
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a kind of large excavator pivoting supports to be oriented to assembly method, the assembly method is as follows: first by rotary reducer assembly on revolving platform in assembling process, pivoting support equipped with positioning pin is assembled on chassis, then revolving platform is sling, two threaded holes are selected to be screwed into guide pin on revolving platform, the tapered end of guide pin is imported in corresponding pivoting support cycle hole, revolving platform is slowly fallen on into certain altitude down, a certain distance is reserved between pivoting support, then rotary reducer gear is subjected to angle adjustment using hook type spanner, reducer gear is set successfully to engage with pivoting support gear, after revolving platform and pivoting support mounting surface are adjacent to, guide pin is back-outed, it is packed into washer and bolt.It is safe and efficient using device assembly, and positioning accuracy is higher.
Description
Technical field
The present invention relates to excavator fields, and in particular to a kind of large excavator pivoting support guiding assembly method.
Background technique
Large-scale engineering machinery is often used two kinds of assembly methods, one is be mounted in pivoting support when installing pivoting support
On chassis, revolving platform is sling, it is slowly fallen, observation engages situation between pinion gear and gear wheel at this time, such as nibbles
It is improper to close, then raises platform, stirs pinion gear, then proceedes to fall revolving platform, needs to fill by repeatedly adjusting sometimes
With success.Another mounting means then selects first uneasy dress rotary reducer, pivoting support is mounted on chassis, then directly
The finger setting for connecting pivoting support outer ring directly determines pivoting support position, then slings rotary reducer again and is pacified
Dress, but be not easy to adjust due to engaging between rotary reducer gear and the gear of pivoting support, and since large excavator is returned
Turn that speed reducer quantity is more, a large amount of time can be wasted in the angle of adjustment pinion gear.
Summary of the invention
Insufficient according to prior art, the present invention provides a kind of large excavator pivoting support guiding assembly method, the dress
Method of completing the square is safe and efficient, and positioning accuracy is higher.
The present invention is realized by following technical scheme:
A kind of large excavator pivoting support guiding assembly method, the assembly method are as follows: before assembly, first by rotary reducer
It is assemblied on revolving platform, the pivoting support equipped with positioning pin is assembled on chassis；In assembling process, revolving platform is sling；
It selects two threaded holes to be screwed into guide pin on revolving platform, the tapered end of guide pin is imported into corresponding pivoting support outer ring
In hole, revolving platform is slowly fallen on into certain altitude down, a certain distance is reserved between pivoting support；Then it is pulled using hook type
Rotary reducer gear is carried out angle adjustment by hand, and reducer gear is enable successfully to engage with pivoting support gear；Continue to return
Turn platform to fall, so that the positioning pin on pivoting support is inserted into revolving platform and revolution after revolving platform pin hole is positioned
Bearing engagement face is bonded completely；After the assembly is completed, guide pin is back-outed.
Further, described guide pin one end is threaded, and other end is set as taper；In assembling process, revolution is flat
After platform is sling, the end of thread of guide pin is assemblied on the big bottom plate of revolving platform, and the tapered end of guide pin then passes through pivoting support
Corresponding unthreaded hole.
Further, the tapered end of the guide pin is equipped with cross section as the slot of quadrangle, and is provided with vertically passes through in this slot
The circular hole worn；After the assembly is completed, spinner handle is inserted into the circular hole of the tapered end of guide pin, and guide pin is back-outed.
Further, for the hook type spanner in assembling process, hook type end is stuck in two tooth of gear below rotary reducer
Between tooth socket in, then using the tooth top of gear as fulcrum on the inside of the circular arc at hook type end, the handle for rotating hook type spanner can be real
The rotation of existing rotary reducer gear.
Further, the rotary reducer is assemblied on revolving platform using bolt I, washer I.
Further, the pivoting support inner ring is fixed on chassis using washer II, bolt II.
Further, after guide pin is back-outed, pivoting support and revolving platform are fixed together by bolt III, washer III.
The invention has the advantages that:
When large excavator is when assembling pivoting support, the hole between pivoting support and revolving platform can be aligned rapidly, and
The angle adjustment that can carry out rotary reducer gear rapidly, makes it complete quickly assembly.
Detailed description of the invention
Fig. 1 is main view of the invention；
Fig. 2 is locating pin structure schematic diagram of the invention；
Fig. 3 is the details enlarged drawing of connecting portion；
Fig. 4 is the structural schematic diagram for hooking template hand；
Fig. 5 is to hook template hand operation chart；
Fig. 6 is revolving platform and pivoting support finger setting schematic diagram；
Fig. 7 is to close vehicle schematic diagram；
Fig. 8 is guide pin quick assembling or disassembly schematic diagram.
In figure: 1- rotary reducer, 2- bolt I, 3- washer I, 4- revolving platform, 5- guide pin, 6- pivoting support, 7-
Washer II, 8- bolt II, the chassis 9-, 10- hook template hand, 11- positioning pin, 12- spinner handle, the big bottom plate of 401-.
Specific embodiment
To keep the purposes, technical schemes and advantages of the invention implemented clearer, below in conjunction in the embodiment of the present invention
Attached drawing, technical solution in the embodiment of the present invention is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
It is of the invention in explaining, and be not considered as limiting the invention.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.Under
Face is described in detail the embodiment of the present invention in conjunction with attached drawing.
As shown in fig. 6, the inner ring of pivoting support 6 is fixed on chassis 9 using washer II 7, bolt II 8, it is ensured that when assembly
The inner ring gear of pivoting support 6 is in stationary state；There are dowel hole used for positioning and assembly spiral shell on pivoting support 6
The through-hole of bolt,
Positioning pin 11 is first assemblied in the pin hole of pivoting support 6 before revolving platform 4 and pivoting support 6 assemble.
The threaded hole and pin hole for assembling pivoting support 6 are machined on the big bottom plate 401 of revolving platform 4.
As shown in Fig. 2, Fig. 3, Fig. 8,5 one end of guide pin is threaded, other end then for the ease of trim designs at
Taper, and it is the slot of quadrangle in order to which convenient disassembly is machined with cross section in tapered end, and be provided on quadrangle and to extend vertically through
Circular hole.In assembling process, after revolving platform 4 is sling, the end of thread of guide pin 5 is assemblied in the big bottom plate 401 of revolving platform 4
On.And tapered end then passes through the corresponding unthreaded hole of pivoting support 6.After the assembly is completed, spinner handle 12 is then inserted into 5 tapered end of guide pin
In circular hole.
As shown in Figure 4, Figure 5,10 shape of hook template hand is similar to hook type, and in assembling process, hook type end is stuck in back
Turn in the tooth socket between two tooth of gear of 1 lower section of speed reducer, then using the tooth top somewhere of gear as fulcrum on the inside of circular arc, rotation
The rotation of 1 gear of rotary reducer can be realized in the handle of hook type spanner 10.
As shown in Figures 1 to 8, a kind of large excavator pivoting support is oriented to assembly method, and the assembly method is as follows:
By rotary reducer 1 using bolt I 2 and the assembly of washer I 3 on revolving platform 4, then in the outsole of revolving platform 4
Position easy to disassemble finds out two threaded holes and loads onto guide pin 5 on plate 401, and the tapered end of guide pin 5 is downward.
Pivoting support 6 is fixed on chassis 9 using washer II 7, bolt II 8, chassis 9 is placed on level land, is being turned round
Positioning pin 11 is packed into bearing 6.
The all multi-parts installed on revolving platform 4 and platform are hung to the surface of pivoting support 6, are then delayed
It is slow to fall, the hole of the corresponding pivoting support 6 in 5 place hole of guide pin is found, two guide pins 5 are inserted into 6 institute of pivoting support respectively
In corresponding hole.
Continue to continue to fall by revolving platform 4, when the gear bottom surface of 1 lower section of rotary reducer is close to pivoting support 6
When gear upper surface, stop falling.
Using template hand 10 is hooked, its hook type end is inserted between 1 gear of rotary reducer, two gear teeth, rotation hooks template hand 10
1 gear of rotary reducer can be stirred to convenient for the position of engagement.
Revolving platform 4 is continued to fall, the pin hole on big bottom plate 401 is positioned with the pin hole on pivoting support 6, greatly
Bottom plate 401 is bonded completely with 6 mating surface of pivoting support.
Spinner handle 12 is inserted into the hole of 5 lower section of guide pin, guide pin 5 can quickly be screwed out, load onto fixed pivoting support 6
Bolt III, washer III.Complete entire assembling process.
To sum up, the invention patent relates to a kind of swing mechanisms to be quickly oriented to assembly method, specifically assembles in engineering machinery
Pivoting support quickly can be carried out hole with revolving platform when pivoting support to be aligned, by rotary reducer gear and pivoting support
The device that gear faster, preferably engages.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (7)
1. a kind of large excavator pivoting support is oriented to assembly method, which is characterized in that the assembly method is as follows:
Before assembly, first by rotary reducer assembly on revolving platform, the pivoting support equipped with positioning pin is assembled on chassis
On；
In assembling process, revolving platform is sling；Two threaded holes are selected to be screwed into guide pin on revolving platform, by the cone of guide pin
Shape end imports in corresponding pivoting support cycle hole, revolving platform is slowly fallen on certain altitude down, between pivoting support
Reserve a certain distance；
Then rotary reducer gear is subjected to angle adjustment using hook type spanner, enables reducer gear and pivoting support gear
Success is engaged；
Continue to fall revolving platform, so that the positioning pin on pivoting support, which will be inserted into after revolving platform pin hole is positioned, to return
Turn platform to be bonded completely with pivoting support mating surface；
After the assembly is completed, guide pin is back-outed.
2. a kind of large excavator pivoting support according to claim 1 is oriented to assembly method, it is characterised in that: described to lead
It is threaded to pin one end, other end is set as taper；
In assembling process, after revolving platform is sling, the end of thread of guide pin is assemblied on the big bottom plate of revolving platform, guide pin
Tapered end then pass through the corresponding unthreaded hole of pivoting support.
3. a kind of large excavator pivoting support according to claim 2 is oriented to assembly method, it is characterised in that: described to lead
Cross section is equipped with to the tapered end of pin and is the slot of quadrangle, and is provided with the circular hole extended vertically through in this slot；
After the assembly is completed, spinner handle is inserted into the circular hole of the tapered end of guide pin, and guide pin is back-outed.
4. a kind of large excavator pivoting support according to claim 1 is oriented to assembly method, it is characterised in that: the hook
Type spanner is in assembling process, and hook type end is stuck in the tooth socket between two tooth of gear below rotary reducer, hook type end
Then using the tooth top of gear as fulcrum on the inside of circular arc, turning for rotary reducer gear is can be realized in the handle of rotation hook type spanner
It is dynamic.
5. a kind of large excavator pivoting support according to claim 1 is oriented to assembly method, it is characterised in that: described time
Turn speed reducer to be assemblied on revolving platform using bolt I, washer I.
6. a kind of large excavator pivoting support according to claim 1 is oriented to assembly method, it is characterised in that: described time
Turn bearing inner ring to be fixed on chassis using washer II, bolt II.
7. a kind of large excavator pivoting support according to claim 1 is oriented to assembly method, it is characterised in that: guide pin
After back-outing, pivoting support and revolving platform are fixed together by bolt III, washer III.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651384.6A CN110370014A (en) | 2019-07-16 | 2019-07-16 | A kind of large excavator pivoting support guiding assembly method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910651384.6A CN110370014A (en) | 2019-07-16 | 2019-07-16 | A kind of large excavator pivoting support guiding assembly method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110370014A true CN110370014A (en) | 2019-10-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910651384.6A Pending CN110370014A (en) | 2019-07-16 | 2019-07-16 | A kind of large excavator pivoting support guiding assembly method |
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| Country | Link |
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| CN (1) | CN110370014A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886789A (en) * | 2019-11-29 | 2020-03-17 | 马鞍山市博创回转支承有限公司 | Slewing bearing assembling method |
| CN112922941A (en) * | 2021-01-11 | 2021-06-08 | 武汉船用机械有限责任公司 | Positioning method of slewing bearing |
| CN113182836A (en) * | 2021-06-08 | 2021-07-30 | 大连嘉禾自控技术有限公司 | Automatic screwing equipment for connecting bolt of slewing bearing and rotary table |
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| US4263706A (en) * | 1978-10-16 | 1981-04-28 | Page Engineering Company | Method and apparatus for machining dragline assemblies |
| CN202899203U (en) * | 2012-10-17 | 2013-04-24 | 山重建机有限公司 | Excavator pivoting bearing mounting base |
| CN103990958A (en) * | 2013-12-02 | 2014-08-20 | 沪东重机有限公司 | Device and method for installing large frequency modulation wheel |
| JP2016059987A (en) * | 2014-09-17 | 2016-04-25 | 株式会社Ihi | Fastening mechanism and fastening method |
| DE102017204234A1 (en) * | 2017-03-14 | 2018-09-20 | Mahle International Gmbh | Method for mounting an adjustable camshaft and mounting device |
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Patent Citations (5)
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|---|---|---|---|---|
| US4263706A (en) * | 1978-10-16 | 1981-04-28 | Page Engineering Company | Method and apparatus for machining dragline assemblies |
| CN202899203U (en) * | 2012-10-17 | 2013-04-24 | 山重建机有限公司 | Excavator pivoting bearing mounting base |
| CN103990958A (en) * | 2013-12-02 | 2014-08-20 | 沪东重机有限公司 | Device and method for installing large frequency modulation wheel |
| JP2016059987A (en) * | 2014-09-17 | 2016-04-25 | 株式会社Ihi | Fastening mechanism and fastening method |
| DE102017204234A1 (en) * | 2017-03-14 | 2018-09-20 | Mahle International Gmbh | Method for mounting an adjustable camshaft and mounting device |
Non-Patent Citations (2)
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| 王建军 等: "塔式起重机回转支承系统装配工艺研究", 《建设机械技术与管理》 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886789A (en) * | 2019-11-29 | 2020-03-17 | 马鞍山市博创回转支承有限公司 | Slewing bearing assembling method |
| CN112922941A (en) * | 2021-01-11 | 2021-06-08 | 武汉船用机械有限责任公司 | Positioning method of slewing bearing |
| CN113182836A (en) * | 2021-06-08 | 2021-07-30 | 大连嘉禾自控技术有限公司 | Automatic screwing equipment for connecting bolt of slewing bearing and rotary table |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191025 |
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| RJ01 | Rejection of invention patent application after publication |