CN108536213B - Construction machinery operating mechanism - Google Patents
Construction machinery operating mechanism Download PDFInfo
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- CN108536213B CN108536213B CN201711138252.0A CN201711138252A CN108536213B CN 108536213 B CN108536213 B CN 108536213B CN 201711138252 A CN201711138252 A CN 201711138252A CN 108536213 B CN108536213 B CN 108536213B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
- G05G1/04—Controlling members for hand actuation by pivoting movement, e.g. levers
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Abstract
The invention discloses a construction machinery operating mechanism. The invention optimizes and improves the operating mechanism of the construction machinery, so that the operating mechanism can be reasonably arranged at the bottom of the operating room, thereby not only effectively saving a large amount of space, but also lifting the operating position and ensuring better operating visual field. The design and the details of all the parts are designed to ensure that the mechanism can be more reasonably arranged, so that the basic use requirement is ensured, the occupied space is effectively saved, the cost is reduced, the arrangement occupied space is transferred to the bottom of an operator, and the unused space in the prior art is more fully utilized.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a construction machinery operating mechanism.
Background
Construction machines have been widely used in our daily lives and include various machines such as excavating machines, earth-moving machines, compacting machines, construction hoisting machines, piling machines, road surface machines, concrete product machines, steel bar-grade prestressed machines, finishing machines, and aerial work machines. Due to the functional and structural design of construction machines, their operating rooms are usually small, and due to the need to implement many functions, the interior of the cab is numerous and occupies a large space, leaving little space available.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an operating mechanism of a construction machine, which is arranged at the bottom of an operating room, saves a large amount of space, and simultaneously raises the operating position, so that the operating visual field is better, thereby overcoming the defects of the prior art.
In order to achieve the purpose, the invention is realized by the following technical scheme: the operating mechanism of the construction machinery comprises a control rod body assembly and a control rod fixing support, wherein the lower part of the control rod body assembly is connected with the top of the control rod fixing support through a control rod elastic fixing piece, the control rod fixing support is connected with a pedal control assembly, and a grounding fixing plate is connected with the pedal control assembly.
The composition of control rod body subassembly include left control rod and right control rod, left control rod and right control rod structure are the same, the composition of control rod includes the connecting rod, is equipped with the axle sleeve in the bottom of connecting rod, is equipped with the contact face in the below of axle sleeve, is equipped with the operation handball at the top of connecting rod, establishes the crooked flexion to the operation direction on the upper portion of connecting rod.
The operating rod fixing support comprises an elastic part fixing plate, a first mounting hole and a second mounting hole are formed in the two sides of the elastic part fixing plate, a first connecting plate is designed below the elastic part fixing plate, the bottom of the first connecting plate is connected with a pedal operating assembly connecting plate, and a connecting stud is arranged on the outer side of the pedal operating assembly connecting plate and used for being connected with a pedal operating assembly; the bottom of the pedal control component connecting plate is connected with a grounding fixed plate connecting plate, a control rod fixing support fixing hole is formed in the grounding fixed plate connecting plate, the tail end of the grounding fixed plate connecting plate is of a semi-circular arc structure, a control rod rotating shaft is arranged in the semi-circular arc structure, a first matching shaft and a second matching shaft are arranged at two ends of the control rod rotating shaft respectively, and the first matching shaft and the second matching shaft are used for connecting a control rod body component.
An avoidance hole is formed in the first connecting plate. And the bolt is used for disassembling and assembling the fixing hole of the operating rod fixing bracket.
And bearings are arranged at the connecting positions of the first matching shaft and the second matching shaft and the control rod body assembly, and the two ends of the bearings are fixed through nuts.
The control rod elastic fixing piece comprises a compression joint ring, a first connecting rod is arranged behind the compression joint ring, the first connecting rod penetrates through a return spring, a nut gasket assembly is arranged at the tail end of the first connecting rod, the first connecting rod passes through the nut gasket assembly and the top of the control rod fixing support, and the compression joint ring is connected with a control rod body assembly.
The pedal control assembly comprises an upper connecting surface, a connecting bolt for connecting the upper connecting surface with the grounding fixed plate is arranged on the upper connecting surface, a pedal stepped shaft is also arranged on the upper connecting surface, and a left pedal and a right pedal are respectively arranged at two ends of the pedal stepped shaft; the bottom of one end of the upper connecting surface is provided with a connecting plate, the bottom of the connecting plate is provided with an operating rod fixing support matching plate, the operating rod fixing support matching plate is provided with a threaded hole, the bottom of the operating rod fixing support matching plate is connected with a ground plate, the ground plate is provided with a left contact and a right contact, the positions of the left contact and the right contact correspond to the operating rod body assembly, and the bottom 414 is provided with a left grounding support leg I and a right grounding support leg.
The left pedal consists of a left pedal shaft tube, a left pedal and a left contact matching surface; the matching surface of the left pedal and the left contact is connected to a left pedal shaft tube, and the left pedal shaft tube is sleeved on the pedal stepped shaft; the right pedal is composed of a right pedal shaft tube, a right pedal and a right contact matching surface, and the composition structure of the right pedal is the same as that of the left side.
The left side of the pedal stepped shaft is connected with a first matching sleeve and a left fixing nut gasket assembly, and the first matching sleeve and the left fixing nut gasket assembly are respectively arranged at two ends of the left pedal shaft tube; the right side of the pedal stepped shaft is connected with a second matching sleeve and a right fixing nut gasket assembly, and the second matching sleeve and the right fixing nut gasket assembly are respectively installed at two ends of the right pedal shaft tube. The distance between 44 and 43 can be adjusted by replacing 434 and 444 with different lengths, so that the device is suitable for different markets and people sizes, and the operation comfort is improved; the left contact and the right contact can be electric switches or hydraulic valves.
The grounding fixing plate comprises an upper connecting plate, a bolt hole and a corresponding projection welding nut are arranged on the upper connecting plate and used for being connected with the pedal control assembly, a lower connecting plate is designed at the rear end of the upper connecting plate, a lower connecting plate avoiding hole is arranged on the lower connecting plate, and a lower connecting plate avoiding hole is arranged on the lower connecting plate; a contact mounting plate is arranged at the front end of the upper connecting plate, a first contact and a second contact are arranged on the contact mounting plate, and the positions of the avoidance holes of the lower connecting plate correspond to the first contact and the second contact; the bottom of the lower connecting plate is provided with a ground plate, and the ground plate is connected with the cockpit bottom plate through bolts; a first limit rubber block and a second limit rubber block are respectively designed below the first contact and the second contact, so that the contact is prevented from being damaged due to excessive operation; the positions of the contact I and the contact II correspond to the left contact matching surface and the right contact matching surface; an inclined plane connecting plate is arranged in front of the contact mounting plate and connected with the mounting plate, a projection welding stud is arranged on the mounting plate and fixed through a nut after penetrating through the threaded hole and the contact I.
When the left pedal is stepped, the matching surface of the left contact touches the first contact, the first return spring is compressed, and when the left pedal is released, the matching surface of the left contact is separated from the first contact, and the first return spring is reset. The same applies to the right foot pedal.
Advantageous effects
Compared with the prior art, the invention optimizes and improves the operating mechanism of the construction machine, so that the operating mechanism can be reasonably arranged at the bottom of the operating room, thereby not only effectively saving a large amount of space, but also lifting the operating position and ensuring better operating visual field. The design and the details of all the parts are designed to ensure that the mechanism can be more reasonably arranged, so that the basic use requirement is ensured, the occupied space is effectively saved, the cost is reduced, the arrangement occupied space is transferred to the bottom of an operator, and the unused space in the prior art is more fully utilized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a joystick assembly according to the present invention;
FIG. 3 is a schematic view of the structure of the joystick mounting bracket of the present invention;
FIG. 4 is a schematic structural diagram of the resilient mounting member of the joystick of the present invention;
FIGS. 5 and 6 are schematic structural views of the foot pedal operating assembly of the present invention;
fig. 7 and 8 are schematic structural views of the ground fixing plate of the present invention.
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.
Example 1 of the invention: construction machinery operating device, including the control lever body subassembly 1, control lever fixed bolster 2, the lower part of control lever body subassembly 1 is connected with the top of control lever fixed bolster 2 through control lever elastic fixing spare 3, and control lever fixed bolster 2 is connected with pedal control subassembly 4, and ground connection fixed plate 5 is connected with pedal control subassembly 4.
The control lever body assembly 1 comprises a left control lever 11 and a right control lever 12, the left control lever 11 and the right control lever 12 have the same structure, the control lever comprises a connecting rod 112, a shaft sleeve 111 is arranged at the bottom of the connecting rod 112, a contact surface 1111 is arranged below the shaft sleeve 111, an operating hand ball 113 is arranged at the top of the connecting rod 112, and a bending part 1121 bending towards the operating direction is arranged at the upper part of the connecting rod 112.
The operating rod fixing support 2 comprises an elastic part fixing plate 21, a first mounting hole 211 and a second mounting hole 212 are formed in the two sides of the elastic part fixing plate 21, a first connecting plate 22 is designed below the elastic part fixing plate 21, a pedal operating component connecting plate 23 is connected to the bottom of the first connecting plate 22, a connecting stud 231 is arranged on the outer side of the pedal operating component connecting plate 23, and the connecting stud 231 is used for being connected with a pedal operating component 4; the bottom of the pedal operation component connecting plate 23 is connected with a grounding fixed plate connecting plate 24, the grounding fixed plate connecting plate 24 is provided with an operation rod fixing support fixing hole 241, the tail end of the grounding fixed plate connecting plate 24 is of a semi-arc structure, an operation rod rotating shaft 25 is arranged in the semi-arc structure, two ends of the operation rod rotating shaft 25 are respectively provided with a first matching shaft 251 and a second matching shaft 252, and the first matching shaft 251 and the second matching shaft 252 are used for being connected with the operation rod body component 1.
An avoiding hole is formed in the first connecting plate 22. And the bolt is used for disassembling and assembling the fixing hole of the operating rod fixing bracket.
Bearings are arranged at the connecting positions of the first matching shaft 251 and the second matching shaft 252 and the connecting control rod body assembly 1, and the two ends of the bearings are fixed through nuts.
The control rod elastic fixing part 3 comprises a press connection ring 31, a first connection rod 32 is designed behind the press connection ring 31, the first connection rod 32 penetrates through a return spring 33, a nut gasket assembly 34 is designed at the tail end of the first connection rod 32, the first connection rod 32 passes through the nut gasket assembly 34 and the top of the control rod fixing support 2, and the press connection ring 31 is connected with the control rod body assembly 1.
The pedal control component 4 comprises an upper connecting surface 411, a connecting bolt 4111 for connecting with the ground fixing plate 5 is arranged on the upper connecting surface 411, a pedal stepped shaft 42 is also arranged on the upper connecting surface 41, and a left pedal 43 and a right pedal 44 are respectively arranged at two ends of the pedal stepped shaft 42; a connecting plate 412 is arranged at the bottom of one end of the upper connecting surface 411, a control lever fixing support matching plate 413 is designed at the bottom of the connecting plate 412, a threaded hole 4131 is arranged on the control lever fixing support matching plate 413, a ground plate 414 is connected to the bottom of the control lever fixing support matching plate 413, a left contact 451 and a right contact 452 are arranged on the ground plate 414, the positions of the left contact 451 and the right contact 452 correspond to the control lever body assembly 1, and a left grounding support leg 4141 and a right grounding support leg 4142 are arranged at the bottom of the ground plate 414.
The left pedal 43 is composed of a left pedal shaft tube 431, a left pedal 432 and a left contact matching surface 433; the left pedal 432 and the left contact matching surface 433 are connected to a left pedal shaft tube 431, and the left pedal shaft tube 431 is sleeved on the pedal stepped shaft 42; the right pedal 44 is composed of a right pedal shaft pipe 441, a right pedal plate 442, and a right contact fitting surface 443, and the composition structure thereof is the same as that of the left side.
A first matching sleeve 434 and a left fixing nut gasket component 435 are connected to the left side of the pedal stepped shaft 42, and the first matching sleeve 434 and the left fixing nut gasket component 435 are respectively installed at two ends of a left pedal shaft tube 431; a second matching sleeve 444 and a right fixing nut and washer assembly 445 are connected to the right side of the pedal stepped shaft 42, and the second matching sleeve 444 and the right fixing nut and washer assembly 445 are respectively installed at two ends of the right pedal shaft tube 441. The distance between 44 and 43 can be adjusted by replacing 434 and 444 with different lengths, so that the device is suitable for different markets and people sizes, and the operation comfort is improved; the left contact 451 and the right contact 452 may be electrical switches or hydraulic valves.
The assembly of the ground fixing plate 5 comprises an upper connecting plate 51, the upper connecting plate 51 is provided with a bolt hole 551 and a corresponding projection welding nut 512, the bolt hole 551 is used for connecting with the pedal control assembly 4, the rear end of the upper connecting plate 51 is provided with a lower connecting plate 52, the lower connecting plate 52 is provided with a lower connecting plate avoiding hole 521 and a lower connecting plate avoiding hole 521; the front end of the upper connecting plate 51 is provided with a contact mounting plate 54, the contact mounting plate 54 is provided with a first contact 541 and a second contact 542, and the positions of the lower connecting plate avoidance holes 521 correspond to the first contact 541 and the second contact 542; a grounding plate 53 is arranged at the bottom of the lower connecting plate 52, and the grounding plate 53 is connected with the cockpit bottom plate through bolts; a first return spring 5412 and a second return spring 5422 are mounted at the front parts of the first contact 541 and the second contact 542, and a first limit rubber block 5411 and a second limit rubber block 5421 are respectively designed below the first contact 541 and the second contact 542 to prevent the contacts from being damaged due to over-operation; the positions of the first contact 541 and the second contact 542 correspond to the left contact mating surface 433 and the right contact mating surface 443; an inclined plane connecting plate 55 is arranged in front of the contact mounting plate 54, the inclined plane connecting plate 55 is connected with the mounting plate 56, a projection welding stud 561 is arranged on the mounting plate 56, and the projection welding stud 561 penetrates through the threaded hole 4131 and the contact 541 and is fixed by a nut
When the left pedal 43 is stepped on, the left contact fitting surface 433 touches the contact one 541, the return spring one 5412 is compressed, and when the left pedal 43 is released, the left contact fitting surface 433 is separated from the contact one 541, and the return spring one 5412 is returned. The right foot rest 44 works the same way.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
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 (1)
1. A construction machine operating mechanism characterized by: the device comprises a control rod body assembly (1), a control rod fixing support (2), wherein the lower part of the control rod body assembly (1) is connected with the top of the control rod fixing support (2) through a control rod elastic fixing piece (3), the control rod fixing support (2) is connected with a pedal control assembly (4), and a grounding fixing plate (5) is connected with the pedal control assembly (4);
the control rod assembly (1) comprises a left control rod (11) and a right control rod (12), the left control rod (11) and the right control rod (12) are identical in structure, the control rod comprises a connecting rod (112), a shaft sleeve (111) is arranged at the bottom of the connecting rod (112), a contact surface (1111) is arranged below the shaft sleeve (111), an operation handball (113) is arranged at the top of the connecting rod (112), and a bending part (1121) bending towards the operation direction is arranged at the upper part of the connecting rod (112);
the operating rod fixing support (2) comprises an elastic part fixing plate (21), a first mounting hole (211) and a second mounting hole (212) are formed in the two sides of the elastic part fixing plate (21), a first connecting plate (22) is designed below the elastic part fixing plate (21), a pedal operating component connecting plate (23) is connected to the bottom of the first connecting plate (22), a connecting stud (231) is arranged on the outer side of the pedal operating component connecting plate (23), and the connecting stud (231) is used for being connected with a pedal operating component (4);
the bottom of the pedal control component connecting plate (23) is connected with a grounding fixed plate connecting plate (24), the grounding fixed plate connecting plate (24) is provided with a control lever fixing support fixing hole (241), the tail end of the grounding fixed plate connecting plate (24) is of a semi-circular structure, a control lever rotating shaft (25) is arranged in the semi-circular structure, two ends of the control lever rotating shaft (25) are respectively provided with a first matching shaft (251) and a second matching shaft (252), and the first matching shaft (251) and the second matching shaft (252) are used for being connected with a control lever body component (1);
an avoidance hole is formed in the first connecting plate (22);
bearings are arranged at the connecting positions of the first matching shaft (251) and the second matching shaft (252) and the connecting control rod body assembly (1), and the two ends of the bearings are fixed through nuts;
the control lever elastic fixing piece (3) comprises a compression joint ring (31), a first connecting rod (32) is arranged behind the compression joint ring (31), the first connecting rod (32) penetrates through a return spring (33), a nut gasket assembly (34) is arranged at the tail end of the first connecting rod (32), the first connecting rod (32) is connected with the top of the control lever fixing support (2) through the nut gasket assembly (34), and the compression joint ring (31) is connected with the control lever body assembly (1);
the pedal control assembly (4) comprises an upper connecting surface (411), a connecting bolt (4111) used for being connected with the grounding fixing plate (5) is arranged on the upper connecting surface (411), a pedal stepped shaft (42) is further arranged on the upper connecting surface (41), and a left pedal (43) and a right pedal (44) are respectively arranged at two ends of the pedal stepped shaft (42);
the bottom of one end of the upper connecting surface (411) is provided with a connecting plate (412), the bottom of the connecting plate (412) is provided with a control lever fixing support matching plate (413), the control lever fixing support matching plate (413) is provided with a threaded hole (4131), the bottom of the control lever fixing support matching plate (413) is connected with a grounding plate (414), the grounding plate (414) is provided with a left contact (451) and a right contact (452), the positions of the left contact (451) and the right contact (452) correspond to the control lever body assembly (1), and the bottom of the control lever fixing support matching plate (413) is provided with a left grounding support leg I (4141) and a right grounding support leg (4142);
the left pedal (43) consists of a left pedal shaft tube (431), a left pedal (432) and a left contact matching surface (433);
the left pedal (432) and the left contact matching surface (433) are connected to a left pedal shaft tube (431), and the left pedal shaft tube (431) is sleeved on the pedal stepped shaft (42);
the right pedal (44) consists of a right pedal shaft tube (441), a right pedal (442) and a right contact matching surface (443), and the composition structure of the right pedal is the same as that of the left side;
a first matching sleeve (434) and a left fixing nut gasket component (435) are connected to the left side of the pedal stepped shaft (42), and the first matching sleeve (434) and the left fixing nut gasket component (435) are respectively installed at two ends of a left pedal shaft pipe (431);
a second matching sleeve (444) and a right fixing nut gasket assembly (445) are connected to the right side of the pedal stepped shaft (42), and the second matching sleeve (444) and the right fixing nut gasket assembly (445) are respectively installed at two ends of the right pedal shaft tube (441);
the left contact (451) and the right contact (452) can be electric switches or hydraulic valves;
the grounding fixing plate (5) comprises an upper connecting plate (51), a bolt hole (551) used for being connected with the pedal control assembly (4) and a corresponding projection welding nut (512) are arranged on the upper connecting plate (51) in a connecting mode, a lower connecting plate (52) is designed at the rear end of the upper connecting plate (51), a lower connecting plate avoiding hole (521) and a lower connecting plate avoiding hole (521) are arranged on the lower connecting plate (52);
a contact mounting plate (54) is arranged at the front end of the upper connecting plate (51), a first contact (541) and a second contact (542) are arranged on the contact mounting plate (54), and the positions of the avoidance holes (521) of the lower connecting plate correspond to the first contact (541) and the second contact (542);
a grounding plate (53) is arranged at the bottom of the lower connecting plate (52), and the grounding plate (53) is connected with the bottom plate of the cockpit through bolts;
a first return spring (5412) and a second return spring (5422) are mounted at the front parts of the first contact (541) and the second contact (542), and a first limit rubber block (5411) and a second limit rubber block (5421) are respectively designed below the first contact (541) and the second contact (542) to prevent the contacts from being damaged due to over-operation;
the positions of the contact I (541) and the contact II (542) correspond to the left contact matching surface (433) and the right contact matching surface (443);
an inclined plane connecting plate (55) is arranged in front of the contact mounting plate (54), the inclined plane connecting plate (55) is connected with the mounting plate (56), a projection welding stud (561) is arranged on the mounting plate (56), and the projection welding stud (561) penetrates through the threaded hole (4131) and the contact I (541) and then is fixed through a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138252.0A CN108536213B (en) | 2017-11-16 | 2017-11-16 | Construction machinery operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711138252.0A CN108536213B (en) | 2017-11-16 | 2017-11-16 | Construction machinery operating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108536213A CN108536213A (en) | 2018-09-14 |
| CN108536213B true CN108536213B (en) | 2020-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711138252.0A Active CN108536213B (en) | 2017-11-16 | 2017-11-16 | Construction machinery operating mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN108536213B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111813178B (en) * | 2020-07-29 | 2022-01-28 | 皖西学院 | Operating lever of construction machine manufactured into ball-end rod |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526846B1 (en) * | 2000-05-04 | 2003-03-04 | Clark Equipment Company | Folding foot pedal for vehicle drive control |
| KR101092743B1 (en) * | 2006-12-29 | 2011-12-09 | 현대중공업 주식회사 | Folding type traveling lever for crawler excavator |
| CN201778354U (en) * | 2010-08-19 | 2011-03-30 | 长沙中联重工科技发展股份有限公司上海分公司 | Mechanical operating mechanism of working device of excavator |
| CN102501802A (en) * | 2011-10-29 | 2012-06-20 | 无锡开普机械有限公司 | Foldable pedal |
| CN203475509U (en) * | 2013-08-22 | 2014-03-12 | 柳州柳工挖掘机有限公司 | Pedal guide footboard |
| CN203939070U (en) * | 2014-03-21 | 2014-11-12 | 徐州徐工挖掘机械有限公司 | The mechanism that prevents from by mistake stepping on pilot valve for hydraulic self-traveling mobile power station |
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2017
- 2017-11-16 CN CN201711138252.0A patent/CN108536213B/en active Active
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| Publication number | Publication date |
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| CN108536213A (en) | 2018-09-14 |
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