CN113954702A - Engineering machine tool double-operation-position seat and engineering machine tool - Google Patents
Engineering machine tool double-operation-position seat and engineering machine tool Download PDFInfo
- Publication number
- CN113954702A CN113954702A CN202111424524.XA CN202111424524A CN113954702A CN 113954702 A CN113954702 A CN 113954702A CN 202111424524 A CN202111424524 A CN 202111424524A CN 113954702 A CN113954702 A CN 113954702A
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- seat
- swing arm
- turntable
- driving
- engineering machinery
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- 238000000034 method Methods 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
Abstract
The invention discloses an engineering machinery double-operation-position seat and an engineering machinery, comprising a base, a seat and a swinging mechanism; the seat is movably arranged on the base, and the swinging mechanism is arranged between the base and the seat and used for driving the seat to be switched between a running operation position and an operation position; the swing mechanism comprises a turntable, a swing arm and a driving mechanism; the turntable is arranged on the base and is provided with a rotating part; one end of the swing arm is fixedly connected with the rotating part of the turntable, and the other end of the swing arm is fixedly connected with the seat; the driving mechanism is used for driving the rotating part of the turntable to rotate. The engineering machinery double-operation-position seat disclosed by the invention realizes the riding of two operation positions, and is simple, stable and reliable to operate; the invention does not need to change the design of the prior seat, and only needs to make an installation interface.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an engineering machinery double-operation-position seat and engineering machinery.
Background
The driving operation position and the operation position of some vehicle types in the engineering machinery are separately arranged, the adjustment mode of the existing seat can not meet the riding requirements of the two operation positions simultaneously, and simultaneously, because of the limitation of space arrangement and cost, two seats can not be arranged simultaneously, so a driver generally stands during operation. The prior seat can realize the adjustment of front and back sliding, lifting, rotating, backrest and the like, and can not realize the adjustment of double operation positions.
Disclosure of Invention
The invention aims to provide a double-operation-position seat of engineering machinery and the engineering machinery, and solves the technical problem that the existing seat adjusting mode cannot meet the riding requirements of two operation positions at the same time.
The invention adopts the following technical scheme for realizing the aim of the invention:
the invention provides a double-operation-position seat for engineering machinery, which comprises:
a base;
the seat is movably arranged on the base;
the swinging mechanism is arranged between the base and the seat and used for driving the seat to be switched between a running operation position and an operation position;
the swing mechanism includes:
a turntable disposed on the base, the turntable having a rotating portion;
one end of the swing arm is fixedly connected with the rotating part of the turntable, and the other end of the swing arm is fixedly connected with the seat;
and the driving mechanism is used for driving the rotating part of the turntable to rotate.
Further, the turntable includes:
a box body;
the rotating portion includes:
the worm gear bearing outer ring is rotatably arranged on the box body and is connected with the swing arm through a linkage assembly;
the worm is rotatably arranged on the box body and is in meshing transmission with the outer ring of the worm gear bearing, and the output end of the driving mechanism is connected with the worm and is used for driving the worm to rotate.
Further, the drive mechanism includes:
an output shaft of the driving motor is connected with the worm through a transmission mechanism;
and the encoder is connected with the driving motor and is used for controlling the rotation number of the driving motor.
Further, the linkage assembly includes:
the top plate is fixedly arranged on the outer ring of the worm gear bearing;
the swing arm seat is fixedly connected to the top plate, and the swing arm is installed on the swing arm seat.
Further, the rotating portion further includes:
the bearing inner ring is fixed on the box body;
and the roller is movably arranged between the bearing inner ring and the worm gear bearing outer ring.
The invention provides a design method for switching seats of double operating positions of engineering machinery, which is characterized by comprising the following steps:
acquiring a seat position and a reference point H1 of a driving operation position, a seat position and a reference point H2 of an operation position, an angle theta of the seat needing to swing and a swinging direction;
a straight line H1H2 connecting point H1 and point H2, and having a length of l;
a vertical bisector PO of a straight line H1H2 is formed along the whole horizontal plane of the engineering machinery and is connected with OH1 and OH2 to form an isosceles triangle;
and taking a seat swing center point O as a straight line in the whole vehicle height direction of the engineering machinery, namely the position of a rotating shaft of the turntable, wherein the length r of the swing arm is equal to the length of the isosceles triangle waist, namely r ═ l/(2 ═ sin ([ H1OH 2/2)).
The invention provides engineering machinery, which comprises the engineering machinery double-operation-position seat.
The invention has the following beneficial effects:
the engineering machinery double-operation-position seat disclosed by the invention realizes the riding of two operation positions, and is simple, stable and reliable to operate;
the invention does not need to change the design of the prior seat, and only needs to make an installation interface.
Drawings
Fig. 1 is a schematic diagram illustrating a principle of a design method for switching a double-operation-position seat of an engineering machine according to an embodiment of the invention;
FIG. 2 is a flow chart of a design method for switching a seat of a double operation positions of an engineering machine according to an embodiment of the invention;
FIG. 3 is a schematic structural diagram of a double-operating-position seat of a construction machine according to an embodiment of the invention;
fig. 4 is a schematic structural diagram of a swing mechanism in a double-operation-position seat of an engineering machine according to an embodiment of the invention;
fig. 5 is an exploded schematic view of a swing mechanism in a double-operation-position seat of a construction machine according to an embodiment of the invention;
FIG. 6 is a schematic view illustrating connection between a motor and a worm in a double-operation-position seat of an engineering machine according to an embodiment of the invention;
fig. 7 is a cross-sectional view of a turntable in a dual-operation-position seat of a construction machine according to an embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances in order to facilitate the description of the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 and 2, a swing mechanism is designed to switch a seat of a construction machine between a traveling operation position and a working operation position, so that the seat can rotate at a fixed angle and move at a fixed distance. The switching design method comprises the following steps:
(1) according to the design requirement of the double-operation-position seat of the engineering machinery, the position and the reference point H1 of the running operation position seat, the position and the reference point H2 of the operation position seat, the angle theta of the seat needing to swing and the swinging direction are known, a straight line H1H2 is formed by connecting a point H1 and a point H2, and the length of the straight line is l;
(2) and (3) drawing a vertical bisector PO (point P is the middle point of the straight line H1H2, and point O is the swing central point of the seat) of the straight line H1H2 along the whole vehicle horizontal plane of the engineering machinery, connecting OH1 and OH2 to form an isosceles triangle, and enabling the vertex angle H1OH2 to be equal to theta. Because the method can make two isosceles triangles on two sides of the straight line H1H2, due to the limitation of the swing direction of the seat, the seat can only swing to the driving operation position when the point O is at the lower side as shown in the figure;
(3) taking a point O as a straight line in the whole vehicle height direction of the engineering machinery, namely the position of a rotating shaft of the swing mechanism, wherein the length of the swing arm is equal to the length of the isosceles triangle waist, namely r ═ l/(2 × sin (theta/2));
(4) on the basis of the results, selecting the type of the seat swinging mechanism, and then carrying out detailed mechanical design and control design;
(5) and finally, the existing seat is subjected to model selection and connection point design, and the seat is connected with the swinging mechanism, so that the seat with double operation positions of the engineering machinery is realized.
As shown in fig. 3, the two-position adjustable chair mainly comprises a base 100, a switch 200, a swinging mechanism 300 and a chair 400, wherein the chair 400 is known in the art, and the chair 400 is arranged on the base 100; the swing mechanism 300 is provided between the base 100 and the seat 400, and drives the seat 400 to switch between the travel operation position and the work operation position.
As shown in fig. 4 and 5, the swing mechanism includes a turntable 320, a swing arm 330, and a dc motor 380; the turntable 320 is connected to the base 100 by a turntable screw 310, the swing arm 330 is connected to the turntable 320 by a flange screw 370, the seat bottom 340 is connected to the swing arm 330 by a seat bottom screw 350, and the seat 400 is fixed to the seat bottom 340 by a seat screw 360. During the swing adjustment, the direct current motor 380 drives the turntable 320 to rotate, the swing arm 330, the bottom plate 340 and the seat 400 are driven to rotate in succession, and the encoder 390 controls the number of rotation turns of the direct current motor 380 to ensure that the seat 400 is adjusted to a predetermined position.
As shown in fig. 6 and 7, the turntable 320 mainly includes a case 321, an inner bearing ring 322, a roller 324, a worm bearing outer ring 325, a top plate 326, a worm 328, and a swing arm seat 329. The bearing inner ring 322 is fixed on the box 321 through a bearing inner ring screw 323, the roller 324 is movably arranged between the bearing inner ring 322 and the worm gear bearing outer ring 325, the top plate 326 is fixed on the worm gear bearing outer ring 325 through a top plate screw 327, the swing arm seat 329 is fixed on the top plate 326 through a swing arm seat screw (not shown in the figure), the direct current motor 380 transmits torque to the worm 328 through the D-shaped shaft 381, the worm 328 is connected with the D-shaped shaft 381 through a coupler, the worm 328 rotates to drive the worm gear bearing outer ring 325 to rotate, the swing arm seat 329 is driven to rotate through the top plate 326, the swing arm seat 329 then drives the swing arm 330 to rotate, and further drives the seat bottom plate 340 to rotate, so that the seat 400 rotates.
As an expansion, the turntable 320 mainly includes a case 321, a first gear, a second gear, a top plate 326, and a swing arm seat 329. First gear is rotatable installs on box 321, roof 326 passes through roof screw 327 to be fixed on first gear, swing arm seat 329 passes through swing arm seat fix with screw on roof 326, the rotatable installation of second gear is on box 321, and with the transmission of first gear engagement, the second gear cup joints and fixes on direct current motor 380's output shaft, direct current motor 380 passes through the output shaft with the moment of torsion transmission for the second gear, the second gear rotates and drives first gear rotatory, rethread roof 326 drives swing arm seat 329 and rotates, swing arm seat 329 drives swing arm 330 then and rotates, and then drive seat bottom plate 340 and rotate, make seat 400 rotate.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A double-operation-position seat for engineering machinery is characterized by comprising:
a base;
the seat is movably arranged on the base;
the swinging mechanism is arranged between the base and the seat and used for driving the seat to be switched between a running operation position and an operation position;
the swing mechanism includes:
a turntable disposed on the base, the turntable having a rotating portion;
one end of the swing arm is fixedly connected with the rotating part of the turntable, and the other end of the swing arm is fixedly connected with the seat;
and the driving mechanism is used for driving the rotating part of the turntable to rotate.
2. The double-operator seat for the construction machine as claimed in claim 1, wherein the turntable comprises:
a box body;
the rotating portion includes:
the worm gear bearing outer ring is rotatably arranged on the box body and is connected with the swing arm through a linkage assembly;
the worm is rotatably arranged on the box body and is in meshing transmission with the outer ring of the worm gear bearing, and the output end of the driving mechanism is connected with the worm and is used for driving the worm to rotate.
3. The double-operating-position seat for the engineering machinery as claimed in claim 2, wherein the driving mechanism comprises:
an output shaft of the driving motor is connected with the worm through a transmission mechanism;
and the encoder is connected with the driving motor and is used for controlling the rotation number of the driving motor.
4. The work machine dual-operator seat according to claim 2, wherein the linkage assembly comprises:
the top plate is fixedly arranged on the outer ring of the worm gear bearing;
the swing arm seat is fixedly connected to the top plate, and the swing arm is installed on the swing arm seat.
5. The dual-operator seat for a construction machine according to claim 2, wherein the rotating portion further comprises:
the bearing inner ring is fixed on the box body;
and the roller is movably arranged between the bearing inner ring and the worm gear bearing outer ring.
6. The double-operating-position seat for the engineering machinery as claimed in claim 1, wherein the design method of the swing mechanism comprises the following steps:
acquiring a seat position and a reference point H1 of a driving operation position, a seat position and a reference point H2 of an operation position, an angle theta of the seat needing to swing and a swinging direction;
a straight line H1H2 connecting point H1 and point H2, and having a length of l;
a vertical bisector PO of a straight line H1H2 is formed along the whole horizontal plane of the engineering machinery and is connected with OH1 and OH2 to form an isosceles triangle;
and taking a seat swing center point O as a straight line in the whole vehicle height direction of the engineering machinery, namely the position of a rotating shaft of the turntable, wherein the length r of the swing arm is equal to the length of the isosceles triangle waist, namely r ═ l/(2 ═ sin ([ H1OH 2/2)).
7. A working machine comprising a working machine dual-seat as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111424524.XA CN113954702A (en) | 2021-11-26 | 2021-11-26 | Engineering machine tool double-operation-position seat and engineering machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111424524.XA CN113954702A (en) | 2021-11-26 | 2021-11-26 | Engineering machine tool double-operation-position seat and engineering machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113954702A true CN113954702A (en) | 2022-01-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111424524.XA Pending CN113954702A (en) | 2021-11-26 | 2021-11-26 | Engineering machine tool double-operation-position seat and engineering machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113954702A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026379A (en) * | 1975-11-26 | 1977-05-31 | International Harvester Company | Multi-positional seat having a following instrument panel |
| JP2004042781A (en) * | 2002-07-11 | 2004-02-12 | Araco Corp | Seat direction changing mechanism |
| CN101048293A (en) * | 2004-09-23 | 2007-10-03 | 克朗设备公司 | Seat repositioning device with release on control handle |
| CN202345435U (en) * | 2010-11-12 | 2012-07-25 | 宝马格有限公司 | Engineering machinery with deflectable operator seat |
| CN202466362U (en) * | 2012-02-23 | 2012-10-03 | 徐工集团工程机械股份有限公司科技分公司 | Paver seat rotating device |
| CN203270415U (en) * | 2012-04-12 | 2013-11-06 | 约瑟夫福格勒公司 | Road construction machine and seat bracket |
| CN105484140A (en) * | 2014-10-07 | 2016-04-13 | 宝马格有限公司 | Operator platform for a construction machine and construction machine having an operator platform |
| CN206466038U (en) * | 2017-02-10 | 2017-09-05 | 福建正方机械有限公司 | Concrete spraying machine driving cabin turns around device |
| CN109644811A (en) * | 2019-01-23 | 2019-04-19 | 南京林业大学 | It is a kind of can way moving the small-sized tree removing machine of left/right adjustable |
| CN209732171U (en) * | 2019-01-23 | 2019-12-06 | 南京林业大学 | Small-size tree machine that moves that can two-way movement |
-
2021
- 2021-11-26 CN CN202111424524.XA patent/CN113954702A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4026379A (en) * | 1975-11-26 | 1977-05-31 | International Harvester Company | Multi-positional seat having a following instrument panel |
| JP2004042781A (en) * | 2002-07-11 | 2004-02-12 | Araco Corp | Seat direction changing mechanism |
| CN101048293A (en) * | 2004-09-23 | 2007-10-03 | 克朗设备公司 | Seat repositioning device with release on control handle |
| CN202345435U (en) * | 2010-11-12 | 2012-07-25 | 宝马格有限公司 | Engineering machinery with deflectable operator seat |
| CN202466362U (en) * | 2012-02-23 | 2012-10-03 | 徐工集团工程机械股份有限公司科技分公司 | Paver seat rotating device |
| CN203270415U (en) * | 2012-04-12 | 2013-11-06 | 约瑟夫福格勒公司 | Road construction machine and seat bracket |
| CN105484140A (en) * | 2014-10-07 | 2016-04-13 | 宝马格有限公司 | Operator platform for a construction machine and construction machine having an operator platform |
| CN206466038U (en) * | 2017-02-10 | 2017-09-05 | 福建正方机械有限公司 | Concrete spraying machine driving cabin turns around device |
| CN109644811A (en) * | 2019-01-23 | 2019-04-19 | 南京林业大学 | It is a kind of can way moving the small-sized tree removing machine of left/right adjustable |
| CN209732171U (en) * | 2019-01-23 | 2019-12-06 | 南京林业大学 | Small-size tree machine that moves that can two-way movement |
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