CN112962708B - Complete set of mechanism of excavator armrest box - Google Patents
Complete set of mechanism of excavator armrest box Download PDFInfo
- Publication number
- CN112962708B CN112962708B CN202110371963.2A CN202110371963A CN112962708B CN 112962708 B CN112962708 B CN 112962708B CN 202110371963 A CN202110371963 A CN 202110371963A CN 112962708 B CN112962708 B CN 112962708B
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- warning
- armrest box
- rod
- pin shaft
- driver
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- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Classifications
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
-
- 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
- E02F9/20—Drives; Control devices
- E02F9/2004—Control mechanisms, e.g. control levers
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The application discloses a complete set of mechanism of an excavator armrest box, which comprises an armrest box, wherein the armrest box is fixedly arranged on the side part of a driving seat and is positioned on one side of an entrance and an exit of the driving seat, a warning rod is rotatably arranged on the armrest box, an operation handle for pushing or pushing the warning rod into an access passage is rotatably arranged on the armrest box, the operation handle comprises a bottom rod, a hand rest is fixedly arranged at the middle end of the bottom rod, the hand rest is in an inverted L shape, when the warning rod is pushed into the access passage by the operation handle, the top of the hand rest is horizontally arranged, when the warning rod is retracted, the top of the hand rest is rotated to an inclined shape, a limit switch is arranged on a side plate close to one side of the driving seat, the limit switch is electrically connected with a warning lamp, and an interlocking mechanism of the warning rod can be used for reminding a driver, so that the condition that a starting key is forgotten in the driving seat after the driver leaves the driving seat is avoided; through setting up rotatable hand rest, provide the support for driver's arm, make the driver form good working habit.
Description
Technical Field
The application relates to the field of engineering machinery, in particular to a whole set of mechanism of an excavator armrest box.
Background
The excavator cab is a place where an excavator operator works day and night, and the structure and the function of the excavator cab are directly related to the safety, the working efficiency and the health of the driver. Besides various operating parts for controlling the running of the excavator, the excavator cab is also provided with a seat for a driver to ride, the armrest box is arranged at the side part of the seat, the excavator cab adopts a metal thin shell structure, the side part is provided with a switch door for the driver to go in and out, and an access passage for the driver to go in and out of the cab is arranged between the seat and the switch door.
The effect of handrail case is the control portion that is used for installing the excavator, and in addition, handrail case still is used for lifting driver's arm, avoids the long-term arm of driver's process unsettled, and the tired ache condition of arm appears, and the comfort level and the overall performance of the whole excavator of operating personnel are directly related to the height of handrail case quality, and an outstanding handrail case can provide man-machine convenience, travelling comfort for the driver.
Along with the upgrading and upgrading of the excavator, the traditional excavator armrest box is difficult to assemble and difficult to maintain, the defect that the armrest box used by the existing excavator is also revealed, and the main structure of the armrest box used by the existing excavator is shown in the attached figure 6, and the disadvantage is that: 1. the safety mechanism is lacking on the excavator, after a driver leaves the cab, the starting key of the excavator is possibly not pulled out in time and is forgotten in the cab, so that potential safety hazards easily occur at the moment, and 2, the sample pieces of the armrest box are heavy, the assembly is complicated and the price is high; 3. the manufacturing process is complex and is not coordinated with man-machine operability.
Disclosure of Invention
The application aims to provide the whole set of mechanism of the excavator armrest box, which is simple in process manufacture, low in cost and comfortable to operate.
The application discloses a whole set of mechanism of an excavator armrest box for achieving the purposes, which comprises an armrest box and is characterized in that: the handrail case is fixedly arranged on the side part of the driving seat and is positioned on one side of the entrance and the exit of the driving cab, the warning rod is rotatably arranged on the handrail case, and the operation handle for pushing or pushing the warning rod into the access passage is rotatably arranged on the handrail case.
After the structure is adopted, the warning rod and the operating handle for controlling the warning rod are arranged on the handrail box, when a driver enters a driving position, the operating handle is rotated, the warning rod is controlled to enter an access channel, at the moment, the warning rod enters a working state, under the working state, the access channel is blocked by the warning rod, and the driver can drive the excavator to work at the driving position; after the excavator works, as the access channel is blocked by the warning rod, the road from the driver seat to the driver cab for opening and closing the door is blocked, the warning rod reminds the driver of pulling out the key, at the moment, the driver needs to rotate the operating handle, and the warning rod is controlled to retract, so that the warning rod enters a stop state, and then the driver can safely leave the vehicle. The interlocking mechanism of the operating handle and the warning rod is utilized to remind a driver, so that the situation that a starting key is forgotten in the cab after the driver leaves the cab is avoided, the driving safety is ensured, and the potential safety hazard is avoided.
In order to improve the travelling comfort when using the handrail case, operating handle includes the sill bar, has set firmly the hand rest on the middle-end of sill bar, and the hand rest is the form of falling L, and the top cover of hand rest is equipped with the antiskid cover, and the warning pole is put in the time of being pushed into the passageway by operating handle, hand rest top is the level form, and the warning pole is withdrawed, hand rest top rotates to the slope form. When a driver just enters a driving position, the warning rod is in a stop state, if the driver does not rotate the operating handle, the warning rod enters a working state, at the moment, the top of the hand rest is obliquely arranged, the hand rest cannot provide support for the driver, the driver cannot normally carry out driving work, the arm of the driver working in the state lacks support, and arm ache is easy to occur after the driver is suspended for a long time; only the driver rotates the operating handle when entering the driving position according to the normal driving operation flow, so that the warning rod enters the working state from the stop state, the top of the hand rest can move to be horizontal, the arm of the driver is supported, and the driver can comfortably develop driving work.
With respect to the realization structure of the rotation installation of the operating handle, a handle pin shaft is fixedly arranged on the armrest box, one end of the bottom rod, which is close to the rear cover plate bracket, is provided with a through hole, the through hole is matched with the handle pin shaft, and the operating handle is rotatably arranged on the armrest box through the handle pin shaft.
Regarding the realization structure of warning pole rotation installation, still set firmly the warning pole round pin axle on the handrail case, warning pole round pin axle is located the place ahead of handle round pin axle, and the warning pole is installed on the handrail case through warning pole round pin axle rotation.
In order to control the rotation stroke of the operating handle, a clamp spring pin shaft is further fixedly arranged on the armrest box, the clamp spring pin shaft is positioned between the warning rod pin shaft and the handle pin shaft, a clamp spring is arranged on the clamp spring pin shaft, one end of the clamp spring is tightly supported on the clamp spring pin shaft, and the other end of the clamp spring is tightly supported on the slide rod. The rotatable range of the operating handle is controlled by the clamp spring, and the maximum rotation amplitude of the operating handle is controlled, so that when the warning rod enters a working state, the warning rod is approximately placed in a horizontal mode.
Regarding the connection structure between the operating handle and the warning rod, the upper side of the warning rod is fixedly provided with a fault-tolerant plate, the fault-tolerant plate is provided with a fault-tolerant hole, the fault-tolerant hole is in a strip arc shape, the front end of the bottom rod is provided with a sliding rod, and the sliding rod is slidably arranged in the fault-tolerant hole. When the operating handle is rotated, the sliding rod slides in the fault-tolerant hole, the thrust is transmitted to the warning rod when the sliding rod slides, and the fault-tolerant hole is arranged to avoid interference between the operating handle and the warning rod in the rotating process, so that the warning rod is ensured to normally rotate.
Regarding the structure of the armrest box, a bracket assembly is arranged in the armrest box, the bracket assembly comprises left and right spaced side plates, a pilot bracket and a rear cover plate bracket are fixedly connected between the two side plates, the pilot bracket is positioned at the front part of the side plates, and the rear cover plate bracket is positioned at the rear part of the side plates. The improved armrest box has the advantages of convenient process manufacture, reasonable structural collocation, extremely high human-machine arrangement comfort level, simple manufacture, low cost, comfortable and flexible operation.
Regarding the mounting structure of the handle pin shaft, the warning rod pin shaft and the clamp spring pin shaft, the handle pin shaft, the warning rod pin shaft and the clamp spring pin shaft are all mounted on the side plate close to one side of the driver seat. Through the arrangement, the operating handle is closer to the driver seat, and the driver sitting on the driver seat can operate conveniently.
Preferably, a limit switch is arranged on the side plate close to one side of the driving seat and is positioned on the rotating stroke of the operating handle, the limit switch is electrically connected with a warning lamp, and the warning lamp is positioned on the outer side of the armrest box. The limit switch is a travel switch, the limit switch is arranged at the tail end of the rotating travel of the operating handle, and when the operating handle is rotated, the operating handle touches the limit switch to trigger the limit switch, so that the warning lamp is used for reminding a driver.
In order to increase the recognition degree of the warning lamp, a driver can conveniently recognize the warning lamp, and the warning lamp at least has two display states with different colors, which correspond to the two states that the warning rod is pushed in or pushed out into the access channel respectively.
In summary, the beneficial effects of the application are as follows: the improved armrest box has the advantages of convenient manufacture, reasonable structure collocation, extremely high man-machine arrangement comfort level, simple manufacture, low cost, comfortable and flexible operation, and the interlocking mechanism of the operating handle and the warning rod can be used for reminding a driver, so that the situation that the starting key is forgotten in the cab after the driver leaves the cab is avoided, the driving safety is ensured, and the potential safety hazard is avoided; by arranging the rotatable hand rest, the arm of the driver is supported, so that the driver forms good working habit; utilize limit switch and warning light to remind the driver, utilize light to signal whether warning pole is in operating condition or shut down the state, make things convenient for the driver to carry out timely operation, make the driver lack the light at night under the environment, still can judge the operating condition of warning pole through the light colour of warning light, avoid driver maloperation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present application;
FIG. 2 is a schematic view of the structure of the portion at the point A in FIG. 1;
FIG. 3 is a schematic diagram of the structure of the limit switch and the warning lamp;
FIG. 4 is a schematic structural view of a warning lever;
FIG. 5 is a schematic view of the structure of the operating handle;
fig. 6 is a schematic diagram of a prior art structure.
In the figure: 1. an operation handle; 2. clamping springs; 3. a slide bar; 4. a warning rod; 5. a pilot support; 6. a side plate; 7. a back cover plate bracket; 8. a bracket assembly; 9. a handle pin shaft; 10. the warning rod pin shaft; 11. a bottom bar; 12. a hand support; 13. fault-tolerant boards; 14. fault tolerant holes; 15. a warning light; 16. jump ring pin shaft; 17. and a limit switch.
Detailed Description
The following describes in further detail the embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal" are merely used for convenience of description and to simplify the description, but do not denote or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the application.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
The following is a description of preferred embodiments of the application, taken in conjunction with the accompanying drawings.
The orientation mentioned below is to describe the direction of the armrest box when mounted to the excavator, i.e. the front of the head and the rear of the tail, the left of the car and the right of the car. Referring to the drawings, an excavator armrest box whole set mechanism comprises an armrest box, wherein the armrest box is fixedly arranged on the side part of a driver seat and is positioned on one side of an entrance and an exit of the driver cab, a warning rod 4 is rotatably arranged on the armrest box, and an operating handle 1 for pushing or pushing the warning rod 4 into an access channel is rotatably arranged on the armrest box. Referring to fig. 1, after the above structure is adopted, a warning lever 4 and an operating handle 1 for controlling the warning lever 4 are installed on a handrail box, when a driver enters a driving position, the operating handle 1 is rotated to control the warning lever 4 to enter an access passage, at this time, the warning lever 4 enters a working state, in which the access passage is blocked by the warning lever 4, and the driver can drive the excavator to work at the driving position; after the excavator works, as the access channel is blocked by the warning rod 4, the road from the driver seat to the driver cab for opening and closing the door is blocked, the warning rod 4 reminds the driver of pulling out the key, at the moment, the driver needs to rotate the operating handle 1, the warning rod 4 is controlled to retract, the warning rod 4 enters a stop state, and then the driver can safely leave the vehicle. The interlocking mechanism of the operating handle 1 and the warning rod 4 is utilized to remind a driver, so that the situation that a starting key is forgotten in the cab after the driver leaves the cab is avoided, the driving safety is ensured, and the potential safety hazard is avoided.
Referring to fig. 5, in order to improve comfort when using the armrest box, the operation handle 1 includes a bottom rod 11, a hand support 12 is fixedly arranged at the middle end of the bottom rod 11, the hand support 12 is in an inverted L shape, an anti-slip cover is sleeved at the top of the hand support 12, the warning rod 4 is horizontally placed at the top of the hand support 12 when pushed into the access passage by the operation handle 1, and the top of the hand support 12 rotates to an inclined shape when the warning rod 4 is retracted. When a driver just enters a driving position, the warning rod 4 is in a stop state, if the driver does not rotate the operating handle 1, the warning rod 4 enters a working state, at the moment, the top of the hand rest 12 is obliquely arranged, the hand rest 12 cannot provide support for the driver, the driver cannot normally carry out driving work, and the arm of the driver working in the state lacks support, and is suspended for a long time, so that arm ache is easy to occur; only when a driver enters a driving position according to a normal driving operation flow, the operating handle 1 is rotated, the warning rod 4 enters a working state from a stop state, the top of the hand rest 12 can be moved to a horizontal state, the arm of the driver is supported, and the driver can comfortably develop driving work.
Referring to fig. 5, in the first embodiment of the first installation mode of the operating handle 1, a handle pin shaft 9 is fixedly arranged on the armrest box, one end of a bottom rod 11, which is close to the rear cover plate bracket 7, is provided with a through hole, the through hole is matched with the handle pin shaft 9, and the operating handle 1 is rotatably installed on the armrest box through the handle pin shaft 9. In other embodiments, the operating handle 1 may also be a pin shaft or a rotating rod installed on the bottom rod 11, and a through hole adapted to the bottom rod is formed on the armrest box.
Referring to fig. 4, in the first embodiment of the first installation mode of the warning lever 4, a warning lever pin 10 is further fixed on the armrest box, the warning lever pin 10 is located in front of the handle pin 9, and the warning lever 4 is rotatably installed on the armrest box through the warning lever pin 10. In other embodiments, the warning rod 4 may also be a pin shaft or a rotating rod installed on the warning rod 4, and a through hole adapted to the handrail box is formed on the handrail box.
Referring to fig. 1, in order to control the rotation stroke of the operating handle 1, a clamp spring pin shaft 16 is further fixedly arranged on the armrest box, the clamp spring pin shaft 16 is located between the warning rod pin shaft 10 and the handle pin shaft 9, a clamp spring 2 is arranged on the clamp spring pin shaft 16, one end of the clamp spring 2 is tightly supported on the clamp spring pin shaft 16, and the other end of the clamp spring 2 is tightly supported on the slide rod 3. The rotatable range of the operating handle 1 is controlled by the clamp spring 2, and the maximum rotation amplitude of the operating handle 1 is controlled, so that when the warning rod 4 enters into a working state, the warning rod 4 is approximately placed in a horizontal state.
Referring to fig. 2, regarding the connection structure between the operating handle 1 and the warning rod 4, a fault-tolerant board 13 is fixedly arranged on the upper side of the warning rod 4, a fault-tolerant hole 14 is formed in the fault-tolerant board 13, the fault-tolerant hole 14 is in a strip arc shape, a sliding rod 3 is arranged at the front end of the bottom rod 11, and the sliding rod 3 is slidably mounted in the fault-tolerant hole 14. When the operating handle 1 is rotated, the sliding rod 3 slides in the fault-tolerant hole 14, the pushing force is transmitted to the warning rod 4 while the sliding rod 3 slides, and the fault-tolerant hole 14 is arranged to avoid interference in the rotation process of the operating handle 1 and the warning rod 4 and ensure that the warning rod 4 rotates normally.
Referring to fig. 5 and 3, regarding the structure of the armrest box, a bracket assembly 8 is installed in the armrest box, the bracket assembly 8 includes left and right spaced side plates 6, a pilot bracket 5 and a rear cover plate bracket 7 are fixedly connected between the two side plates 6, the pilot bracket 5 is located at the front part of the side plates 6, and the rear cover plate bracket 7 is located at the rear part of the side plates 6. The improved armrest box has the advantages of convenient process manufacture, reasonable structural collocation, extremely high human-machine arrangement comfort level, simple manufacture, low cost, comfortable and flexible operation.
Regarding the mounting structure of the handle pin shaft 9, the warning rod pin shaft 10 and the clamp spring pin shaft 16, the handle pin shaft 9, the warning rod pin shaft 10 and the clamp spring pin shaft 16 are all mounted on the side plate 6 close to one side of the driver seat. Through the arrangement, the operating handle 1 is closer to the driver seat, and is convenient for a driver sitting on the driver seat to operate.
Preferably, referring to fig. 3, a limit switch 17 is installed on the side plate 6 near one side of the driver's seat, the limit switch 17 is located on the rotation travel of the operating handle 1, the limit switch 17 is electrically connected with a warning lamp 15, and the warning lamp 15 is located outside the armrest box. Limit switch 17 is the travel switch, and limit switch 17 installs at the terminal of operating handle 1 rotation stroke, and when rotating operating handle 1, operating handle 1 touches limit switch 17 and can trigger it, utilizes warning light 15 to remind the driver. In order to increase the recognition degree of the warning lamp 15, the driver can conveniently recognize, and the warning lamp 15 has at least two display states with different colors, which correspond to the two states that the warning rod 4 is pushed in or pushed out into the access channel respectively.
The foregoing is merely a preferred embodiment of the present application, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present application, and these modifications and substitutions should also be considered as being within the scope of the present application.
Claims (6)
1. The whole set of mechanism of the excavator armrest box comprises an armrest box and is characterized in that the armrest box is fixedly arranged on the side part of a driver seat and positioned on one side of an entrance and an exit of the driver cab, a warning rod (4) is rotatably arranged on the armrest box, and an operating handle (1) for pushing or pushing the warning rod (4) into an entrance and exit passage is rotatably arranged on the armrest box;
the operation handle (1) comprises a bottom rod (11), a hand rest (12) is fixedly arranged at the middle end of the bottom rod (11), the hand rest (12) is in an inverted L shape, when the warning rod (4) is pushed into the access channel by the operation handle (1), the top of the hand rest (12) is horizontally placed, and when the warning rod (4) is retracted, the top of the hand rest (12) rotates to an inclined shape;
the handle box is fixedly provided with a handle pin shaft (9), one end of the bottom rod (11) close to the rear cover plate bracket (7) is provided with a through hole, the through hole is matched with the handle pin shaft (9), and the operating handle (1) is rotatably arranged on the handle box through the handle pin shaft (9);
the armrest box is also fixedly provided with a warning rod pin shaft (10), the warning rod pin shaft (10) is positioned in front of the handle pin shaft (9), and the warning rod (4) is rotatably arranged on the armrest box through the warning rod pin shaft (10);
the upper side of warning pole (4) has set firmly fault-tolerant board (13), has seted up fault-tolerant hole (14) on fault-tolerant board (13), and fault-tolerant hole (14) are rectangular arcuation, and the front end of sill bar (11) is equipped with slide bar (3), and slide bar (3) slidable mounting is in fault-tolerant hole (14).
2. The whole set of the excavator armrest box mechanism according to claim 1, wherein a clamp spring pin shaft (16) is further fixedly arranged on the armrest box, the clamp spring pin shaft (16) is positioned between the alarm rod pin shaft (10) and the handle pin shaft (9), a clamp spring (2) is arranged on the clamp spring pin shaft (16), one end of the clamp spring (2) is tightly supported on the clamp spring pin shaft (16), and the other end of the clamp spring is tightly supported on the sliding rod (3).
3. The whole set of the excavator armrest box mechanism as claimed in any one of claims 1 or 2, wherein a bracket assembly (8) is installed in the armrest box, the bracket assembly (8) comprises left and right spaced side plates (6), a pilot bracket (5) and a rear cover plate bracket (7) are fixedly connected between the two side plates (6), the pilot bracket (5) is positioned at the front part of the side plates (6), and the rear cover plate bracket (7) is positioned at the rear part of the side plates (6).
4. A complete set of excavator armrest box as claimed in claim 3, characterised in that the handle pins (9), warning bar pins (10) and snap spring pins (16) are mounted on the side plate (6) close to the driver's seat side.
5. A complete set of excavator armrest box mechanisms according to claim 3, characterised in that a limit switch (17) is mounted on the side plate (6) close to the driver's seat side, the limit switch (17) is located on the rotation travel of the operating handle (1), the limit switch (17) is electrically connected with a warning lamp (15), and the warning lamp (15) is located outside the armrest box.
6. The whole set of excavator armrest box mechanisms according to claim 5, characterized in that the warning lights (15) have at least two different color display states, respectively corresponding to the two states of the warning lever (4) being pushed in or pushed out into the access way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371963.2A CN112962708B (en) | 2021-04-07 | 2021-04-07 | Complete set of mechanism of excavator armrest box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110371963.2A CN112962708B (en) | 2021-04-07 | 2021-04-07 | Complete set of mechanism of excavator armrest box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112962708A CN112962708A (en) | 2021-06-15 |
| CN112962708B true CN112962708B (en) | 2023-12-12 |
Family
ID=76280016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110371963.2A Active CN112962708B (en) | 2021-04-07 | 2021-04-07 | Complete set of mechanism of excavator armrest box |
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| Country | Link |
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| CN (1) | CN112962708B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561621A (en) * | 1983-08-17 | 1985-12-31 | Milsco Manufacturing Company | Tiltable vehicle seat for backhoes or the like |
| JP2000054436A (en) * | 1998-08-06 | 2000-02-22 | Shin Caterpillar Mitsubishi Ltd | Hydraulic lock lever device in working machine |
| KR20090059892A (en) * | 2007-12-07 | 2009-06-11 | 두산인프라코어 주식회사 | Arm rest for construction equipment driver's seat |
| CN201390988Y (en) * | 2009-03-19 | 2010-01-27 | 三一重机有限公司 | Pilot valve control mechanism for grab |
| CN202003870U (en) * | 2011-04-11 | 2011-10-05 | 福州天宇电气股份有限公司 | Interlocking device capable of preventing grounding switch from false switching |
| JP2016037704A (en) * | 2014-08-05 | 2016-03-22 | 住友建機株式会社 | Construction machine |
| WO2017043676A1 (en) * | 2015-09-10 | 2017-03-16 | 볼보 컨스트럭션 이큅먼트 에이비 | Driver's seat assembly of construction equipment cab |
| WO2019054165A1 (en) * | 2017-09-14 | 2019-03-21 | ヤンマー株式会社 | Work vehicle |
| CN214784342U (en) * | 2021-04-07 | 2021-11-19 | 雷沃工程机械集团有限公司 | Excavator armrest box complete set mechanism |
-
2021
- 2021-04-07 CN CN202110371963.2A patent/CN112962708B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4561621A (en) * | 1983-08-17 | 1985-12-31 | Milsco Manufacturing Company | Tiltable vehicle seat for backhoes or the like |
| JP2000054436A (en) * | 1998-08-06 | 2000-02-22 | Shin Caterpillar Mitsubishi Ltd | Hydraulic lock lever device in working machine |
| KR20090059892A (en) * | 2007-12-07 | 2009-06-11 | 두산인프라코어 주식회사 | Arm rest for construction equipment driver's seat |
| CN201390988Y (en) * | 2009-03-19 | 2010-01-27 | 三一重机有限公司 | Pilot valve control mechanism for grab |
| CN202003870U (en) * | 2011-04-11 | 2011-10-05 | 福州天宇电气股份有限公司 | Interlocking device capable of preventing grounding switch from false switching |
| JP2016037704A (en) * | 2014-08-05 | 2016-03-22 | 住友建機株式会社 | Construction machine |
| WO2017043676A1 (en) * | 2015-09-10 | 2017-03-16 | 볼보 컨스트럭션 이큅먼트 에이비 | Driver's seat assembly of construction equipment cab |
| WO2019054165A1 (en) * | 2017-09-14 | 2019-03-21 | ヤンマー株式会社 | Work vehicle |
| CN214784342U (en) * | 2021-04-07 | 2021-11-19 | 雷沃工程机械集团有限公司 | Excavator armrest box complete set mechanism |
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| Publication number | Publication date |
|---|---|
| CN112962708A (en) | 2021-06-15 |
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Address after: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee after: Lovol Heavy Industry Group Co.,Ltd. Country or region after: China Address before: 266500 No. 75 East Huanghe Road, Huangdao District, Qingdao City, Shandong Province Patentee before: LOVOL Engineering Machinery Group Co.,Ltd. Country or region before: China |