CN114508147A - Excavator handrail convenient to install - Google Patents

Excavator handrail convenient to install Download PDF

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Publication number
CN114508147A
CN114508147A CN202011290420.XA CN202011290420A CN114508147A CN 114508147 A CN114508147 A CN 114508147A CN 202011290420 A CN202011290420 A CN 202011290420A CN 114508147 A CN114508147 A CN 114508147A
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CN
China
Prior art keywords
fixedly connected
square
rod
plate
seat cushion
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
Application number
CN202011290420.XA
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Chinese (zh)
Inventor
刘洪文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Wenjie Municipal Engineering Co ltd
Original Assignee
Kunshan Wenjie Municipal Engineering Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Wenjie Municipal Engineering Co ltd filed Critical Kunshan Wenjie Municipal Engineering Co ltd
Priority to CN202011290420.XA priority Critical patent/CN114508147A/en
Publication of CN114508147A publication Critical patent/CN114508147A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08Superstructures; Supports for superstructures
    • E02F9/0833Improving access, e.g. for maintenance, steps for improving driver's access, handrails

Abstract

The invention discloses an excavator handrail convenient to install, which comprises a seat cushion, wherein a backrest is installed on the back surface of the seat cushion, butt joint grooves are formed in the front side and the rear side of the two sides of the seat cushion respectively, movable plates are movably connected to the two sides of the seat cushion respectively, butt joint plates are fixedly connected to the front side and the rear side of one side, close to the seat cushion, of each movable plate, one side, far away from the corresponding movable plate, of each butt joint plate extends to an inner cavity of each butt joint groove, clamping holes are formed in the tops of the butt joint plates, U-shaped plates are fixedly connected to the two sides of the bottom of the seat cushion respectively, short rods penetrate through the bottoms of the U-shaped plates, and the tops of the short rods penetrate through the inner cavities of the U-shaped plates and are fixedly connected with transverse plates. The invention solves the problems that most of the existing seats with armrests are directly fixed on the two sides of the cushion by adopting the supports, the armrests cannot be adjusted, the integral installation and disassembly of the armrests on the two sides of the seat are inconvenient, and the practicability is reduced.

Description

Excavator handrail convenient to install
Technical Field
The invention relates to the technical field of excavators, in particular to an excavator handrail convenient to install.
Background
Excavator also known as excavator, it is higher than or be less than the material that holds the plane of machine to excavate with the scraper bowl to the earthwork machinery who loads haulage vehicle or unload to the stockyard, driver's cabin seat is most all direct to be constituteed by cushion and back in work, make when the driver sits the time of having a rest on the seat, the hand is because there is not the strong point to cause the ache easily, influence driver's rest, but the current seat that has the handrail most all directly adopts the support to fix in the cushion both sides, can't adjust the handrail, and be not convenient for install and dismantle the seat both sides handrail is whole, the practicality has been reduced.
Disclosure of Invention
The invention aims to provide an excavator armrest convenient to mount, which has the advantages of adjusting the armrest and being convenient to mount and dismount the armrests on the two sides of the seat integrally, and solves the problems that most of the existing seats with the armrests are fixed on the two sides of a cushion directly by using a support, the armrests cannot be adjusted, the armrests on the two sides of the seat cannot be mounted and dismounted integrally, and the practicability is reduced.
In order to achieve the purpose, the invention provides the following technical scheme: an excavator handrail convenient to install comprises a seat cushion, wherein a backrest is installed on the back of the seat cushion, butt joint grooves are formed in the front side and the rear side of two sides of the seat cushion, movable plates are movably connected to two sides of the seat cushion, butt joint plates are fixedly connected to the front side and the rear side of one side, close to the seat cushion, of the movable plates, one side, far away from the movable plates, of each butt joint plate extends to an inner cavity of each butt joint groove, a clamping hole is formed in the top of each butt joint plate, a U-shaped plate is fixedly connected to two sides of the bottom of the seat cushion, a short rod penetrates through the bottom of the U-shaped plate, the top of the short rod penetrates through the inner cavity of the U-shaped plate and is fixedly connected with a transverse plate, a first spring is movably sleeved on the surface of the short rod, the bottom of the first spring is fixedly connected with the bottom of the inner cavity of the U-shaped plate, the top of the first spring is fixedly connected with the bottom of the transverse plate, and first clamping rod is fixedly connected with the front side and the rear side of the top of the transverse plate, the top of the first clamping rod penetrates through the seat cushion and the clamping hole in sequence and extends to the inner cavity of the butt joint groove, one side of the movable plate, which is far away from the seat cushion, is movably connected with a threaded rod through a bearing, the surface of the threaded rod is provided with a movable block in a threaded sleeve manner, the front side and the rear side of the movable block, which is far away from one side of the movable plate, are provided with guide rods in a penetrating manner, one end of each guide rod penetrates through the movable block and is fixedly connected with one side of the movable plate, the top of each movable block is fixedly connected with a vertical pipe, the top of each vertical pipe is provided with a square rod in a penetrating manner, the bottom of each square rod penetrates through the inner cavity of the vertical pipe, one side of each square rod is provided with a clamping groove, the top of one side of each vertical pipe is fixedly connected with a square pipe, one end of each square pipe, which is far away from the vertical pipe, is provided with a second clamping rod and a square plate in a fixing sleeve manner, the surface of each second clamping rod is provided with a second spring and a square plate in a fixing sleeve, one end of the second spring is fixedly connected with one side of the square tube inner cavity, the other end of the second spring is fixedly connected with one side of the square plate, and the top of the square rod is fixedly connected with a handrail.
Preferably, one side of the handrail is provided with an air outlet, and the inner cavity of the handrail is fixedly connected with a fan through a support.
Preferably, the top fixedly connected with blotter of handrail, the one end fixedly connected with carousel that the fly leaf was kept away from to the threaded rod.
Preferably, a bearing is arranged between the threaded rod and the movable plate, and the bearing is sleeved on the surface of the threaded rod.
Preferably, the first through-hole with quarter butt looks adaptation is seted up to the bottom of U template, the second through-hole with first kelly looks adaptation is all seted up in the four corners of seatpad bottom, the square hole with square pole looks adaptation is seted up at the top of standpipe, the third through-hole with second kelly looks adaptation is all seted up at the both sides of square pipe and the top that the standpipe is close to square pipe one side.
Preferably, the bottom of the short rod is fixedly connected with a first pull ring, and one end, far away from the vertical pipe, of the second clamping rod is fixedly connected with a second pull ring.
Compared with the prior art, the invention has the following beneficial effects:
1. the seat cushion with the armrests has the advantages that the armrests are adjusted, and the integral installation and disassembly of the armrests on the two sides of the seat are facilitated, so that the problems that most of the existing seats with the armrests are directly fixed on the two sides of the seat cushion by the aid of the supports, the armrests cannot be adjusted, the integral installation and disassembly of the armrests on the two sides of the seat are inconvenient, and the practicability is reduced are solved.
2. According to the invention, the air outlet hole and the fan are arranged, so that a driver can cool and dissipate heat during working in hot summer, the hand of the driver is more comfortable when the driver supports the hand of the driver by arranging the buffer cushion, the threaded rod is fixed by arranging the bearing, so that the threaded rod is not influenced by the movable plate when rotating, and cannot move, and the first pull ring and the second pull ring are respectively pulled by arranging the first pull ring and the second pull ring so as to conveniently drive the short rod and the second clamping rod to move.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;
FIG. 3 is a partial right side cross-sectional view of the seat cushion of the present invention;
fig. 4 is a partial top view of the seat cushion of the present invention.
In the figure: 1 seatpad, 2 backs, 3 butt joint grooves, 4 movable plates, 5 butt joint plates, 6 calorie of holes, 7U type board, 8 quarter butts, 9 diaphragm, 10 first springs, 11 first kellies, 12 threaded rods, 13 movable blocks, 14 guide bars, 15 standpipe, 16 square poles, 17 draw-in grooves, 18 side pipes, 19 second kellies, 20 second springs, 21 square plates, 22 handrail, 23 ventholes, 24 fans, 25 blots, 26 carousel.
Detailed Description
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.
Referring to fig. 1-4, an excavator handrail convenient to install comprises a seat cushion 1, a backrest 2 is installed on the back surface of the seat cushion 1, a butt-joint groove 3 is formed in each of the front side and the rear side of each of the two sides of the seat cushion 1, a movable plate 4 is movably connected to each of the two sides of the seat cushion 1, a butt-joint plate 5 is fixedly connected to each of the front side and the rear side of one side of the movable plate 4 close to the seat cushion 1, one side of the butt-joint plate 5, far away from the movable plate 4, extends to an inner cavity of the butt-joint groove 3, a clamping hole 6 is formed in the top of the butt-joint plate 5, a U-shaped plate 7 is fixedly connected to each of the two sides of the bottom of the seat cushion 1, a short rod 8 is arranged at the bottom of the U-shaped plate 7 in a penetrating manner, the top of the short rod 8 penetrates to the inner cavity of the U-shaped plate 7 and is fixedly connected with a transverse plate 9, a first spring 10 is movably sleeved on the surface of the short rod 8, the bottom of the first spring 10 is fixedly connected with the transverse plate 9, the front side and the rear side of the top of the transverse plate 9 are both fixedly connected with a first clamping rod 11, the top of the first clamping rod 11 sequentially penetrates through the seat cushion 1 and the clamping hole 6 and extends to the inner cavity of the butt joint groove 3, one side of the movable plate 4, which is far away from the seat cushion 1, is movably connected with a threaded rod 12 through a bearing, the surface of the threaded rod 12 is sheathed with a movable block 13 through a thread, the front side and the rear side of one side of the movable block 13, which is far away from the movable plate 4, are both provided with a guide rod 14 through, one end of the guide rod 14 penetrates through the movable block 13 and is fixedly connected with one side of the movable plate 4, the top of the movable block 13 is fixedly connected with a vertical pipe 15, the top of the vertical pipe 15 is provided with a square rod 16 through, the bottom of the square rod 16 penetrates through the inner cavity of the vertical pipe 15, one side of the square rod 16 is provided with a clamping groove 17, the top of one side of the vertical pipe 15 is fixedly connected with a square pipe 18, one side of the square pipe 18, which is far away from the vertical pipe 15, is provided with a second clamping rod 19, one end of the second clamping rod 19 sequentially penetrates through the square pipe 18 and extends to the inner cavity of the clamping groove 17, the surface of the second clamping rod 19 is respectively movably sleeved with a second spring 20 and fixedly sleeved with a square plate 21, one end of the second spring 20 is fixedly connected with one side of an inner cavity of the square tube 18, the other end of the second spring 20 is fixedly connected with one side of the square plate 21, the top of the square rod 16 is fixedly connected with a handrail 22, one side of the handrail 22 is provided with an air outlet 23, the inner cavity of the handrail 22 is fixedly connected with a fan 24 through a support, the temperature reduction and heat dissipation are carried out when a driver works in hot summer by arranging the air outlet 23 and the fan 24, the top of the handrail 22 is fixedly connected with a cushion 25, one end of the threaded rod 12 far away from the movable plate 4 is fixedly connected with a turntable 26, the cushion 25 is arranged to be more comfortable when the hand of the driver is supported, a bearing is arranged between the threaded rod 12 and the movable plate 4, the bearing sleeve is sleeved on the surface of the threaded rod 12, and the threaded rod 12 is fixed by arranging the bearing, make threaded rod 12 not receive the influence of fly leaf 4 when rotating, can not take place to remove simultaneously, the first through-hole with 8 looks adaptations of quarter butt is seted up to the bottom of U template 7, the second through-hole with 11 looks adaptations of first kellies is all seted up in the four corners of seatpad 1 bottom, the square hole with 16 looks adaptations of square pole is seted up at the top of standpipe 15, the third through-hole with 19 looks adaptations of second kellies is all seted up at the both sides of square tube 18 and the top that standpipe 15 is close to square tube 18 one side, the bottom fixedly connected with first pull ring of quarter butt 8, the one end fixedly connected with second pull ring that standpipe 15 was kept away from to second kellies 19, through setting up first pull ring and second pull ring, stimulate first pull ring and second pull ring respectively and be convenient for drive quarter butt and second kellies 19 and remove, through seatpad 1, back 2, butt joint groove 3, fly leaf 4, butt plate 5, calorie of hole 6, U template 7, quarter butt 8, Diaphragm 9, first spring 10, first kelly 11, threaded rod 12, movable block 13, guide bar 14, standpipe 15, square bar 16, draw-in groove 17, square pipe 18, second kelly 19, second spring 20, square plate 21 and handrail 22 cooperate, possess and adjust the handrail, be convenient for to the whole advantage of installing and dismantling of seat both sides handrail, it all directly adopts the support to fix in the cushion both sides to have solved current seat that has the handrail, can't adjust the handrail, and be not convenient for install and dismantle seat both sides handrail wholly, the problem of practicality has been reduced.
When the armrest 22 is required to be detached, the first pull ring is pulled by a hand to drive the short rod 8, the transverse plate 9 and the first clamping rod 11 to move downwards, the first spring 10 is compressed to enable the first clamping rod 11 to be separated from the clamping hole 6, so that the butt plate 5 is detached from the seat cushion 1, the armrest 22 can be detached, when the armrest 22 is required to be installed, the butt plate 5 is inserted into the butt-joint groove 3, the first pull ring is loosened, the transverse plate 9, the first clamping rod 11 and the short rod 8 are driven to move upwards by the elastic force of the first spring 10, the first clamping rod 11 is inserted into the clamping hole 6, the butt plate 5 is fixed, so that the armrest 22 is installed, when the height of the armrest 22 is required to be adjusted, the second pull ring is pulled by a hand to drive the second clamping rod 19 and the square plate 21 to move, the second spring 20 is compressed, the armrest 22 and the square rod 16 move upwards, when the second pull ring is moved to a proper height and the second clamping rod 19 is opposite to the clamping groove 17, the second pull ring is loosened, the square plate 21 and the second clamping rod 19 are driven to move by the elastic force of the second spring 20, so that the second clamping rod 19 is inserted into the clamping groove 17, and thus the square bar 16, and thus the armrests 22, are fixed in height, and when adjustment of the distance between the two armrests 22 is required, the rotating disc 26 is rotated by hand, the rotation of the rotating disc 26 drives the threaded rod 12 to rotate, the rotation of the threaded rod 12 drives the movable block 13, the vertical pipe 15, the square rod 16 and the handrail 22 to move, thereby adjust the distance between two handrails 22, improve driver's comfort level, increase the nimble type of handrail 22, difficult cause driver's hand ache, convenient to use, the operation of fan 24 gets into the air from the right side of handrail 22 and discharges from venthole 23, and the heat dissipation of cooling is carried out at the during operation to the driver in hot summer.
All kinds of parts used in the application document are standard parts and can be purchased from the market, the specific connection mode of all parts adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the conventional models in the prior art are adopted for machinery, parts and electrical equipment, the conventional connection mode in the prior art is adopted for circuit connection, and detailed description is not given here.
In summary, the following steps: this excavator handrail easy to assemble, through seatpad 1, back 2, butt joint groove 3, fly leaf 4, butt joint board 5, calorie hole 6, U template 7, quarter butt 8, diaphragm 9, first spring 10, first kelly 11, threaded rod 12, movable block 13, guide bar 14, standpipe 15, square bar 16, draw-in groove 17, square pipe 18, second kelly 19, second spring 20, square bar 21 and handrail 22 cooperate, it all directly adopts the support to fix in the cushion both sides to have solved the current seat that has the handrail mostly, can't adjust the handrail, and be not convenient for wholly install and dismantle the seat both sides handrail, the problem of practicality has been reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an excavator handrail easy to assemble, includes seatpad (1), its characterized in that: the back surface of the seat cushion (1) is provided with a backrest (2), the front side and the rear side of the two sides of the seat cushion (1) are respectively provided with a butt joint groove (3), the two sides of the seat cushion (1) are respectively and movably connected with a movable plate (4), the movable plate (4) is close to the front side and the rear side of one side of the seat cushion (1) and is respectively and fixedly connected with a butt joint plate (5), one side of the butt joint plate (5) far away from the movable plate (4) extends to an inner cavity of the butt joint groove (3), the top of the butt joint plate (5) is provided with a clamping hole (6), the two sides of the bottom of the seat cushion (1) are respectively and fixedly connected with a U-shaped plate (7), the bottom of the U-shaped plate (7) is provided with a short rod (8) in a penetrating manner, the top of the short rod (8) penetrates through to the inner cavity of the U-shaped plate (7) and is fixedly connected with a transverse plate (9), and a first spring (10) is sleeved on the surface of the short rod (8), the bottom of the first spring (10) is fixedly connected with the bottom of an inner cavity of the U-shaped plate (7), the top of the first spring (10) is fixedly connected with the bottom of the transverse plate (9), the front side and the rear side of the top of the transverse plate (9) are fixedly connected with first clamping rods (11), the top of each first clamping rod (11) sequentially penetrates through the seat cushion (1) and the clamping hole (6) and extends to the inner cavity of the corresponding butt joint groove (3), one side, away from the seat cushion (1), of the movable plate (4) is movably connected with a threaded rod (12) through a bearing, a movable block (13) is sleeved on the surface of the threaded rod (12), guide rods (14) are respectively arranged on the front side and the rear side, away from one side of the movable plate (4), of each guide rod (14) penetrates through the corresponding movable block (13) and is fixedly connected with one side of the movable plate (4), and a vertical pipe (15) is fixedly connected with the top of each movable block (13), a square rod (16) penetrates through the top of the vertical pipe (15), the bottom of the square rod (16) penetrates through the inner cavity of the vertical pipe (15), a clamping groove (17) is formed in one side of the square rod (16), a square pipe (18) is fixedly connected to the top of one side of the vertical pipe (15), a second clamping rod (19) penetrates through one side of the square pipe (18) far away from the vertical pipe (15), one end of the second clamping rod (19) penetrates through the square pipe (18) and the vertical pipe (15) in sequence and extends to the inner cavity of the clamping groove (17), the surface of the second clamping rod (19) is respectively and movably sleeved with a second spring (20) and fixedly sleeved with a square plate (21), one end of the second spring (20) is fixedly connected with one side of the inner cavity of the square tube (18), the other end of the second spring (20) is fixedly connected with one side of the square plate (21), and the top of the square rod (16) is fixedly connected with a handrail (22).
2. The excavator handrail of claim 1, wherein the excavator further comprises: an air outlet hole (23) is formed in one side of the handrail (22), and a fan (24) is fixedly connected to the inner cavity of the handrail (22) through a support.
3. The excavator handrail of claim 1, wherein the excavator further comprises: the top fixedly connected with blotter (25) of handrail (22), one end fixedly connected with carousel (26) that the fly leaf (4) was kept away from in threaded rod (12).
4. The excavator handrail of claim 1, wherein the excavator further comprises: a bearing is arranged between the threaded rod (12) and the movable plate (4), and the bearing is sleeved on the surface of the threaded rod (12).
5. The excavator handrail of claim 1, wherein the excavator further comprises: the first through-hole with quarter butt (8) looks adaptation is seted up to the bottom of U template (7), the four corners of seatpad (1) bottom all seted up with the second through-hole of first kelly (11) looks adaptation, the square hole with square bar (16) looks adaptation is seted up at the top of standpipe (15), the third through-hole with second kelly (19) looks adaptation is all seted up at the both sides of square pipe (18) and the top that standpipe (15) are close to square pipe (18) one side.
6. The excavator handrail of claim 1, wherein the excavator further comprises: the bottom of the short rod (8) is fixedly connected with a first pull ring, and one end, far away from the vertical pipe (15), of the second clamping rod (19) is fixedly connected with a second pull ring.
CN202011290420.XA 2020-11-17 2020-11-17 Excavator handrail convenient to install Pending CN114508147A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011290420.XA CN114508147A (en) 2020-11-17 2020-11-17 Excavator handrail convenient to install

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011290420.XA CN114508147A (en) 2020-11-17 2020-11-17 Excavator handrail convenient to install

Publications (1)

Publication Number Publication Date
CN114508147A true CN114508147A (en) 2022-05-17

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Application Number Title Priority Date Filing Date
CN202011290420.XA Pending CN114508147A (en) 2020-11-17 2020-11-17 Excavator handrail convenient to install

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CN (1) CN114508147A (en)

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201228363Y (en) * 2008-04-14 2009-04-29 广西玉林玉柴工程机械有限责任公司 Adjustable hand rail for hydraulic shovel
CN107719202A (en) * 2017-09-25 2018-02-23 广西柳工机械股份有限公司 Loading machine armrest pad
CN107962985A (en) * 2017-12-15 2018-04-27 唐冰 A kind of height-adjustable tractor seat
CN208085545U (en) * 2018-02-13 2018-11-13 高邮市怡和车辆附件有限公司 A kind of quick adjustable handrail of small seat of excavator
CN109572507A (en) * 2017-09-29 2019-04-05 比亚迪股份有限公司 Armrest mechanism
CN110371003A (en) * 2019-06-20 2019-10-25 扬州市高升机械有限公司 A kind of engineering machinery seat that level of comfort is high
CN209907473U (en) * 2019-03-29 2020-01-07 柳州鸿嘉机械有限公司 Adjustable armrest seat
CN110667440A (en) * 2019-10-16 2020-01-10 徐州徐工挖掘机械有限公司 Seat installing support and engineering equipment
CN210795657U (en) * 2019-06-06 2020-06-19 比亚迪股份有限公司 Forklift armrest and forklift
CN211032273U (en) * 2019-07-22 2020-07-17 泉州海之川工程机械有限公司 Excavator armrest device with multiple adjusting functions
CN211054998U (en) * 2019-11-29 2020-07-21 广西柳工机械股份有限公司 Engineering machinery seat armrest box mounting structure
CN211269539U (en) * 2019-11-26 2020-08-18 东莞市和睿家具有限公司 Office chair armrest fixing device
JP2020159038A (en) * 2019-03-26 2020-10-01 コベルコ建機株式会社 Handrail structure of construction machine

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201228363Y (en) * 2008-04-14 2009-04-29 广西玉林玉柴工程机械有限责任公司 Adjustable hand rail for hydraulic shovel
CN107719202A (en) * 2017-09-25 2018-02-23 广西柳工机械股份有限公司 Loading machine armrest pad
CN109572507A (en) * 2017-09-29 2019-04-05 比亚迪股份有限公司 Armrest mechanism
CN107962985A (en) * 2017-12-15 2018-04-27 唐冰 A kind of height-adjustable tractor seat
CN208085545U (en) * 2018-02-13 2018-11-13 高邮市怡和车辆附件有限公司 A kind of quick adjustable handrail of small seat of excavator
JP2020159038A (en) * 2019-03-26 2020-10-01 コベルコ建機株式会社 Handrail structure of construction machine
CN209907473U (en) * 2019-03-29 2020-01-07 柳州鸿嘉机械有限公司 Adjustable armrest seat
CN210795657U (en) * 2019-06-06 2020-06-19 比亚迪股份有限公司 Forklift armrest and forklift
CN110371003A (en) * 2019-06-20 2019-10-25 扬州市高升机械有限公司 A kind of engineering machinery seat that level of comfort is high
CN211032273U (en) * 2019-07-22 2020-07-17 泉州海之川工程机械有限公司 Excavator armrest device with multiple adjusting functions
CN110667440A (en) * 2019-10-16 2020-01-10 徐州徐工挖掘机械有限公司 Seat installing support and engineering equipment
CN211269539U (en) * 2019-11-26 2020-08-18 东莞市和睿家具有限公司 Office chair armrest fixing device
CN211054998U (en) * 2019-11-29 2020-07-21 广西柳工机械股份有限公司 Engineering machinery seat armrest box mounting structure

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Application publication date: 20220517

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