CN108313898A - A kind of truss-like turntable and engineering machinery - Google Patents
A kind of truss-like turntable and engineering machinery Download PDFInfo
- Publication number
- CN108313898A CN108313898A CN201810137309.3A CN201810137309A CN108313898A CN 108313898 A CN108313898 A CN 108313898A CN 201810137309 A CN201810137309 A CN 201810137309A CN 108313898 A CN108313898 A CN 108313898A
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- China
- Prior art keywords
- axis pin
- bar
- turntable
- truss
- bottom plate
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/84—Slewing gear
- B66C23/86—Slewing gear hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The present invention relates to a kind of truss-like turntables, including bottom plate, coupled column, the first axis pin, the second axis pin, third axis pin, the 4th axis pin, the first bar, the second bar, third bar, the 4th bar, the 5th bar, the first axle sleeve, the second axle sleeve, baffle, coupled column includes six, it is fixedly mounted on bottom plate by an orientation is parallel respectively, pin shaft hole is offered on each coupled column, the first axis pin, the second axis pin and the third axis pin that not equal, structure type differs for installation length.It is connected with arm support using the 4th axis pin, third axis pin is connected with arm support oil cylinder, and bottom plate is connected with fixed turntable.Turntable, as basic structural elements, is attached fastening and limit using axis pin and axle sleeve, is capable of providing larger inner space, avoid the presence of welding residual stress using the bar of truss-like.Rod piece can carry out modularized design according to actual conditions, reach generalization, aims of standardization.
Description
Technical field
The invention mainly relates to swing mechanism and technical field of engineering machinery, specifically, being related to a kind of turntable, Yi Jishe
It is equipped with the engineering machinery of the turntable.
Background technology
In engineering machinery field, the engineering machine for turning round operation is needed particularly with concrete mixer, crane, boom etc.
For tool, the effect of turntable is indispensable.Important component of the turntable as connection top arm support and lower base, play it is fixed,
The effect of revolution and connection.
The form of expression of turntable is varied, there is many technologies related to this at present.For example, patent
CN201430443326 discloses a kind of turntable appearance, can represent mainstream moulding and the technical characterstic of current turntable.Such turn
Platform is machined with hole on bottom plate, can be connected respectively with fixed turntable or swing mechanism, pin shaft hole is machined on riser can
To be attached with arm support, all plank and part are to fix to form entirety by the form of welding.In addition, patent
CN201510867490 discloses a kind of invention, and also in hole is machined on bottom plate, part is fixed to by the form of welding
Together.But by changing the distribution form of part and increasing counterbalance design, reduce weld cracking and fastening spiral shell between parts
The possibility of bolt fracture.
In existing technology, the part of turntable is to be joined together by welding, and it is a kind of very steady to be welded to connect
Solid connection.But very high temperature is unavoidably will produce when carrying out weld job, this can change the property of original material, production
Raw residual stress, so often occurring the case where commissure is cracked in actual use.Weld cracking would generally be brought seriously
Safety accident.Weld obtained turntable, be obtained in such a way that parts group is welded, but each parts be required to according to
Certain size is processed manufacture, not compatible between its parts of the turntable of each specifications and models.In addition, welding
The turntable arrived may eventually form a firm and closed entirety.But due to closed construction, other portions inside turntable
Be inconvenient to repair when part breaks down.
Invention content
A kind of truss-like turntable of present invention proposition and engineering machinery, prevent from causing weld cracking because of excessive weld job
Failure occur, solve enclosed construction cause internal maintenance inconvenience situation, can according to actual production progress modularized design
And manufacture.
The technical solution adopted by the present invention to solve the technical problems is：A kind of truss-like turntable, including bottom plate, combination
Column, the first axis pin, the second axis pin, third axis pin, the 4th axis pin, the first bar, the second bar, third bar, the 4th bar, the 5th bar,
One axle sleeve, the second axle sleeve, baffle, coupled column include six, are fixedly mounted on bottom plate by an orientation is parallel respectively, each
Pin shaft hole is offered on coupled column, the first axis pin, the second axis pin and the third that not equal, structure type differs for installation length
Axis pin.
Further, the first bar includes two, is placed in parallel with bottom plate；Second bar includes two, is placed vertically with bottom plate,
Two bars are equipped with identical pin shaft hole.First bar, the second bar and coupled column pass through the first axis pin（It is placed in parallel with bottom plate）Connection
To together, baffle limiting is used in combination to be fastenedly connected.
Further, third bar includes two, with bottom plate slant setting at an angle；4th bar includes two, the bottom of with
Plate is placed vertically, and identical pin shaft hole is equipped on two bars.First bar, third bar, the 4th bar and coupled column（It is parallel with bottom plate to put
It sets）Pass through the second axis pin（Two）It connects together.It is machined with external screw thread on the second axis pin, is machined on the second axle sleeve interior
Screw thread, the two cooperation to axis pin and can be clipped in internal rod piece and carry out limit connection.
Further, the 5th bar includes two, with bottom plate slant setting；Above-mentioned second bar, third bar and the 5th bar pass through
4th axis pin（Including one, it is placed in parallel with bottom plate）It connects together.It is machined with external screw thread in the 4th axis pin stage casing, first
It is machined with internal thread on axle sleeve, the two cooperation to axis pin and can be clipped in internal rod piece and carry out limit connection.Meanwhile the 4th sells
Axis is connected together with arm support.
Further, two in coupled column（It is vertical with bottom plate）Pass through third axis pin（It is parallel with bottom plate）It is connected to one
It rises, is formed whole.It is machined with external screw thread on third axis pin, is machined with internal thread on the second axle sleeve, the two cooperation can be to the
Three axis pins carry out limit connection.Third axis pin is connected together with arm support oil cylinder simultaneously.
Further, the 4th bar and the 5th bar pass through the second axis pin（It is parallel with bottom plate including two）It connects together.It adopts
Limit connection is carried out with the second axle sleeve, is formed whole.
Further, the truss-like turntable can be according to the difference of engineering machinery specifications and models, and the range of work is different,
It can be by being adjusted to the shape of above-mentioned bar and axis pin, size, quantity and size, to adapt to different operating modes.
In addition, the present invention also provides a kind of engineering machinery, including above-mentioned truss-like turntable.
Further, including truss-like turntable, arm support, arm support oil cylinder, fixed turntable.Turntable is mounted on solid by bottom plate
Determine on turntable and can be freely rotated around fixed turntable, arm support is connect by the 4th axis pin with truss-like turntable, and arm support oil cylinder is logical
It crosses third axis pin to connect with truss-like turntable, arm support and arm support oil cylinder are separately connected.
The beneficial effects of the invention are as follows：It is connected with arm support using the 4th axis pin, third axis pin is connected with arm support oil cylinder, bottom plate
It is connected with fixed turntable.Turntable using truss-like bar be used as basic structural elements, using axis pin and axle sleeve be attached fasten and
Limit, is capable of providing larger inner space, avoids the presence of welding residual stress.Rod piece can be carried out according to actual conditions
Modularized design reaches generalization, aims of standardization.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention, in the accompanying drawings：
Fig. 1 is truss-like turntable structure schematic diagram of the present invention.
Fig. 2 is truss-like turntable front view of the present invention.
Fig. 3 is truss-like turntable vertical view of the present invention.
Fig. 4 is to invent the truss-like turntable side view.
Fig. 5 is to invent the engineering machinery schematic diagram.
Corresponding component names are in figure：1 truss-like turntable fixes turntable, 3 arm support oil cylinders, 4 arm supports, 10 bottom plates, 11
Coupled column, 12 second bars, 13 third bars, 14 first bars, 15 first axis pins, 16 the 4th bars, 17 the 5th bars, 18 second axis pins, 19
4th axis pin, 110 third axis pins, 111 first axle sleeves, 112 second axle sleeves, 113 baffles.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.The present invention will be described in detail below in conjunction with the accompanying drawings and in conjunction with the embodiments.
With reference to Fig. 1 to Fig. 5, the preferred embodiment of the present invention is described in further detail.
As shown in Figure 1, currently preferred turntable 1（As shown in Figure 5）, including bottom plate 10, coupled column 11, coupled column 11 be flat
Row is fixed on bottom plate 10.Multiple bolts hole are offered on bottom plate 10.Pin shaft hole is offered on coupled column 11, in coupled column
Portion has gap, axis pin axially bored line parallel with plate top surface.First bar 14 and the second bar 12 offer pin shaft hole, pore size and group
Pin shaft hole on zygostyle 11 is identical, wherein the first bar 14 and the second bar 12 are placed on inside coupled column 11, the thickness and group of two bars
Zygostyle internal voids it is equal sized.First axis pin 15 links together three across pin shaft hole, and is carried out by baffle 113
Limit is fastenedly connected.Similar structure, third bar 13 and the 4th bar 16 offer pin shaft hole, size and the first bar 14 and group
Pin shaft hole on zygostyle 11 is identical, and the first bar 14, third bar 13 and the 4th bar 16 are both placed in inside coupled column 11, pass through second
Axis pin 18 connects together three, and has the second axle sleeve 112 to carry out limit by screw thread with axis pin 18 and be fastenedly connected.It is similar
, as shown in Fig. 2, offering the big pin shaft hole of identical size on the 5th bar 17 and the second bar 12, third bar 13, pass through the 4th pin
Axis 19 connects together three, and carries out limit using the first axle sleeve 111 and be fastenedly connected.Further, as shown in figure 3, two
A coupled column 11 is connected together by third axis pin 110, and carries out limit fastening using the second axle sleeve 112, is formed whole.Into
One step, the 4th bar 16 is connected together with the 5th bar 17 by the second axis pin 18, and carries out limit company using the second axle sleeve 112
It connects, is formed whole.The case where above-mentioned rod piece and axis pin form a truss structure, avoid weld cracking.
As shown in figure 5, offering pin shaft hole on arm support 4, aperture size is equal with 19 outer diameter of the 4th axis pin, the two connection
To together, and carry out limit fastening.Meanwhile pin shaft hole is also offered in arm support oil cylinder 3, aperture size and 110 phase of third axis pin
Together, the two connects together, and carries out limit fastening.
As shown in figure 5, the present invention also provides a kind of engineering machinery, engineering machinery can be concrete mixer, boom, automobile
Crane etc..The engineering machinery includes fixed turntable 2, above-mentioned truss-like turntable 1, arm support 4, arm support oil cylinder 3.Truss-like turntable 1
Bottom plate 10 on be machined with multiple bolts hole, be also machined with multiple bolts hole on fixed turntable 2, the two is connected by bolt
It connects.Truss-like turntable 1 can be relatively fixed the rotation of turntable 2.Arm support 4 and arm support oil cylinder 3 are mounted on truss-like turntable 1 by axis pin
On, Telescopic rotating action can be carried out.
The above is only highly preferred embodiment of the present invention, is not intended to limit the present invention in any form, and is appointed
What those skilled in the art, without departing from the scope of the technical proposal of the invention, using in the method for the disclosure above
Appearance makes many possible changes and modifications to technical solution of the present invention, is all within the protection scope of the claims.
Claims (8)
1. a kind of truss-like turntable, it is characterised in that：Including bottom plate, coupled column, the first axis pin, the second axis pin, third axis pin,
Four axis pins, the first bar, the second bar, third bar, the 4th bar, the 5th bar, the first axle sleeve, the second axle sleeve, baffle；Coupled column includes six
It is a, it is fixedly mounted on bottom plate by an orientation is parallel respectively, pin shaft hole is offered on each coupled column, for installing length
The first axis pin, the second axis pin and the third axis pin that degree does not wait, structure type differs.
2. truss-like turntable as described in claim 1, it is characterised in that：First bar includes two, is placed in parallel with bottom plate；Second
Bar includes two, is placed vertically with bottom plate, two bars are equipped with identical pin shaft hole；First bar, the second bar and coupled column pass through
One axis pin（It is placed in parallel with bottom plate）It connects together, baffle limiting is used in combination to be fastenedly connected.
3. truss-like turntable as described in claim 1, it is characterised in that：Third bar includes two, is inclined at an angle with bottom plate
Tiltedly place；4th bar includes two, is placed vertically with bottom plate, identical pin shaft hole is equipped on two bars；First bar, third bar,
4th bar and coupled column（It is placed in parallel with bottom plate）It is connected together by the second axis pin；Outer spiral shell is machined on the second axis pin
Line, is machined with internal thread on the second axle sleeve, the two cooperation, to axis pin and can be clipped in internal rod piece and carries out limit connection.
4. truss-like turntable as described in claim 1, it is characterised in that：5th bar includes two, with bottom plate slant setting；It is above-mentioned
Second bar, third bar and the 5th bar are connected together by the 4th axis pin；It is machined with external screw thread in the 4th axis pin stage casing, first
It is machined with internal thread on axle sleeve, the two cooperation to axis pin and can be clipped in internal rod piece and carry out limit connection；Meanwhile the 4th sells
Axis is connected together with arm support.
5. truss-like turntable as described in claim 1, it is characterised in that：Two coupled columns perpendicular to the base plate pass through in coupled column
Third axis pin connects together, and is formed whole；It is machined with external screw thread on third axis pin, interior spiral shell is machined on the second axle sleeve
Line, the two cooperation, can carry out third axis pin limit connection, while third axis pin is connected together with arm support oil cylinder.
6. truss-like turntable as described in claim 1, it is characterised in that：4th bar and the 5th bar are connected to one by the second axis pin
It rises；Limit connection is carried out using the second axle sleeve, is formed whole.
7. truss-like turntable as described in claim 1, it is characterised in that：The truss-like turntable can be according to engineering machinery specification
The range of the difference of model, work is different, can be by being adjusted to the shape of above-mentioned bar and axis pin, size, quantity and size
It is whole, to adapt to different operating modes.
8. a kind of engineering machinery including truss-like turntable as described in claim 1, it is characterised in that：Including truss-like turntable,
Arm support, arm support oil cylinder, fixed turntable；Turntable is mounted on fixed turntable by bottom plate and can be freely rotated around fixed turntable,
Arm support is connect by the 4th axis pin with truss-like turntable, and arm support oil cylinder is connect by third axis pin with truss-like turntable, arm support and
Arm support oil cylinder is separately connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137309.3A CN108313898B (en) | 2018-02-10 | 2018-02-10 | Truss type rotary table and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810137309.3A CN108313898B (en) | 2018-02-10 | 2018-02-10 | Truss type rotary table and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108313898A true CN108313898A (en) | 2018-07-24 |
| CN108313898B CN108313898B (en) | 2020-06-12 |
Family
ID=62902671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810137309.3A Active CN108313898B (en) | 2018-02-10 | 2018-02-10 | Truss type rotary table and engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108313898B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019462A (en) * | 2018-09-06 | 2018-12-18 | 韶关学院 | A kind of netted turntable and engineering machinery |
| CN112897368A (en) * | 2021-01-27 | 2021-06-04 | 三一汽车起重机械有限公司 | Crane turntable and crane |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1013601A1 (en) * | 1998-12-21 | 2000-06-28 | Potain | Connecting device between pivot and tower for a tower crane |
| CN201288031Y (en) * | 2008-06-19 | 2009-08-12 | 抚顺永茂建筑机械有限公司 | Luffing jib stacker crane slewing platform |
| CN202245833U (en) * | 2011-10-12 | 2012-05-30 | 抚顺永茂建筑机械有限公司 | Connection mechanism of flat-top tower crane head and boom |
| CN203428824U (en) * | 2013-09-02 | 2014-02-12 | 南通润邦重机有限公司 | Revolving platform of large-sized pile winding offshore platform crane |
| CN205709608U (en) * | 2016-03-18 | 2016-11-23 | 北汽福田汽车股份有限公司 | Crane and rotating platform of crane |
-
2018
- 2018-02-10 CN CN201810137309.3A patent/CN108313898B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1013601A1 (en) * | 1998-12-21 | 2000-06-28 | Potain | Connecting device between pivot and tower for a tower crane |
| CN201288031Y (en) * | 2008-06-19 | 2009-08-12 | 抚顺永茂建筑机械有限公司 | Luffing jib stacker crane slewing platform |
| CN202245833U (en) * | 2011-10-12 | 2012-05-30 | 抚顺永茂建筑机械有限公司 | Connection mechanism of flat-top tower crane head and boom |
| CN203428824U (en) * | 2013-09-02 | 2014-02-12 | 南通润邦重机有限公司 | Revolving platform of large-sized pile winding offshore platform crane |
| CN205709608U (en) * | 2016-03-18 | 2016-11-23 | 北汽福田汽车股份有限公司 | Crane and rotating platform of crane |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109019462A (en) * | 2018-09-06 | 2018-12-18 | 韶关学院 | A kind of netted turntable and engineering machinery |
| CN109019462B (en) * | 2018-09-06 | 2020-12-01 | 韶关学院 | Net frame type rotary table and engineering machinery |
| CN112897368A (en) * | 2021-01-27 | 2021-06-04 | 三一汽车起重机械有限公司 | Crane turntable and crane |
| CN112897368B (en) * | 2021-01-27 | 2023-12-19 | 三一汽车起重机械有限公司 | Crane turntable and crane |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108313898B (en) | 2020-06-12 |
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