CN110921200B - Excavator assembly equipment and excavator assembly production line - Google Patents
Excavator assembly equipment and excavator assembly production line Download PDFInfo
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- CN110921200B CN110921200B CN201911363610.7A CN201911363610A CN110921200B CN 110921200 B CN110921200 B CN 110921200B CN 201911363610 A CN201911363610 A CN 201911363610A CN 110921200 B CN110921200 B CN 110921200B
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- excavator
- horizontal
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- assembled
- jacking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P21/00—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control
- B23P21/004—Machines for assembling a multiplicity of different parts to compose units, with or without preceding or subsequent working of such parts, e.g. with programme control the units passing two or more work-stations whilst being composed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/06—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms
- B65G17/065—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface having a load-carrying surface formed by a series of interconnected, e.g. longitudinal, links, plates, or platforms the load carrying surface being formed by plates or platforms attached to a single traction element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/18—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by a single central jack
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention provides an excavator assembly equipment and an excavator assembly production line, and relates to the technical field of excavator production, wherein the excavator assembly equipment comprises: the two conveying mechanisms are parallel to each other on the same horizontal plane and are spaced, and the two conveying mechanisms are used for being supported on two sides of the bottom surface of the excavator to be assembled; and a jacking device is arranged between the two conveying mechanisms and used for lifting the excavator to be assembled passing through the jacking device. The excavator to be assembled is placed on the two conveying mechanisms, the two conveying mechanisms are respectively supported on two opposite sides of the bottom surface of the excavator to be assembled, when the conveying mechanisms convey the excavator to be assembled to the upper portion of the jacking device, the jacking device can jack the excavator to be assembled to a height suitable for operation of an operator, the excavator to be assembled is convenient for the operator to connect the lower excavator body and the revolving device, and the assembling efficiency is improved.
Description
Technical Field
The invention relates to the technical field of excavator production, in particular to excavator assembly equipment and an excavator assembly production line.
Background
The materials excavated by the excavator mainly comprise soil, coal, silt, soil subjected to pre-loosening and rocks. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction.
At present, in the production and assembly process of an excavator, a chain conveying mode is generally adopted, the excavator is conveyed from one assembly station to the next assembly station, and all parts are assembled in sequence, so that a complete excavator assembly production line is formed.
However, the existing excavator assembly line has the following problems: when the excavator assembly line closes the car station, namely when installing the bolt that frame and slewer are connected down, slewing bearing face is little apart from ground distance, and the assembly personnel need half squat or sit the operation on ground, and intensity of labour is big, and assembly efficiency is low.
Disclosure of Invention
The invention aims to provide excavator assembly equipment and an excavator assembly production line, and solves the technical problems that when an existing excavator lower frame and a rotary device are installed, an assembler works in a semi-squatting mode or sits on the ground, labor intensity is high, and assembly efficiency is low.
In a first aspect, an excavator mounting apparatus provided in an embodiment of the present invention includes: the two conveying mechanisms are parallel to each other on the same horizontal plane and are spaced, and the two conveying mechanisms are used for being supported on two sides of the bottom surface of the excavator to be assembled;
and a jacking device is arranged between the two conveying mechanisms and used for lifting the excavator to be assembled passing through the jacking device.
Further, the jacking device comprises a jacking part and a telescopic cylinder;
the expansion cylinder's expansion end can be followed vertical reciprocating motion, the expansion cylinder's expansion end with jacking portion connects, jacking portion is used for supporting waits to assemble the excavator.
Furthermore, be provided with on the jacking device along vertical extension's guide sleeve, the below of jacking portion is provided with the guide bar, guide bar sliding connection be in the guide sleeve.
Further, the excavator assembly equipment comprises a moving device, the jacking device is installed on the moving device, and the moving device is used for driving the jacking device to reciprocate along the direction parallel to the conveying direction of the conveying mechanism.
Further, the moving device includes a moving portion and a support platform, the support platform includes a guide rail extending in a direction parallel to the conveying direction of the conveying mechanism, and the moving portion is slidable along the guide rail;
the supporting platform is provided with a chain, two ends of the chain are fixed on the supporting platform, the length direction of the chain is parallel to that of the guide rail, the moving part is provided with a motor, and an output shaft of the motor is connected with a driving gear meshed with the chain.
Further, the moving part is provided with a traveling wheel assembly capable of traveling on the guide rail.
Furthermore, the moving part is provided with two steering gears, the driving gear is positioned between the two steering gears and is higher than the steering gears, and the chain is meshed with one steering gear, the driving gear and the other steering gear in sequence.
Furthermore, a limiting structure is arranged between the moving part and the supporting platform and used for limiting the moving part in the horizontal and vertical directions.
Further, the guide rail comprises a horizontal supporting part and a vertical supporting part, and the horizontal supporting part and the vertical supporting part are both arranged along the extending direction of the guide rail;
the upper surface of the horizontal supporting part is used for supporting a travelling wheel assembly, and the vertical supporting part is connected below the horizontal supporting part and is vertical to the horizontal supporting part;
the moving part is provided with a vertical limiting wheel which is positioned at the lower side of the horizontal supporting part and can roll on the lower surface of the horizontal supporting part;
the movable part is provided with a first horizontal limiting wheel and a second horizontal limiting wheel, the first horizontal limiting wheel and the second horizontal limiting wheel are respectively arranged on two sides of the vertical supporting part, and the first horizontal limiting wheel and the second horizontal limiting wheel can roll on the side wall of the vertical supporting part to walk.
In a second aspect, an excavator assembly line provided in an embodiment of the present invention includes the excavator assembly apparatus described above.
The excavator assembly equipment provided by the embodiment of the invention comprises: the two conveying mechanisms are parallel to each other on the same horizontal plane and are spaced, and the two conveying mechanisms are used for being supported on two sides of the bottom surface of the excavator to be assembled; and a jacking device is arranged between the two conveying mechanisms and used for lifting the excavator to be assembled passing through the jacking device. The excavator to be assembled is placed on the two conveying mechanisms, the two conveying mechanisms are respectively supported on two opposite sides of the bottom surface of the excavator to be assembled, when the conveying mechanisms convey the excavator to be assembled to the upper portion of the jacking device, the jacking device can jack the excavator to be assembled to a height suitable for operation of an operator, the excavator to be assembled is convenient for the operator to connect the lower excavator body and the revolving device, and the assembling efficiency is improved.
The excavator assembly production line provided by the embodiment of the invention comprises the excavator assembly equipment. Because the excavator assembly line provided by the embodiment of the invention uses the excavator assembly equipment, the excavator assembly line provided by the embodiment of the invention also has the advantages of the excavator assembly equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of an excavator mounting apparatus provided by an embodiment of the present invention;
FIG. 2 is a top view of an excavator mounting apparatus provided in accordance with an embodiment of the present invention;
fig. 3 is a schematic diagram of a jacking device and a moving device of the excavator assembly equipment provided by the embodiment of the invention;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 2;
fig. 5 is a partially enlarged view of a portion B in fig. 4.
Icon: 100-a conveying mechanism; 200-a jacking device; 210-a lift; 220-telescopic cylinder; 230-a guide sleeve; 240-guide bar; 250-a motor; 260-a drive gear; 270-a steering gear; 310-a support platform; 311-a guide rail; 320-a chain; 400-a walking wheel assembly; 510-vertical spacing wheels; 520-a first horizontal spacing wheel; 530-second horizontal restraint wheels.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.
As shown in fig. 1 to 5, an excavator mounting apparatus provided in an embodiment of the present invention includes: the two conveying mechanisms 100 are parallel to each other on the same horizontal plane and are spaced, and the two conveying mechanisms 100 are used for being supported on two sides of the bottom surface of the excavator to be assembled; a jacking device 200 is arranged between the two conveying mechanisms 100, and the jacking device 200 is used for lifting the excavator to be assembled passing through the jacking device. The excavator to be assembled is placed on the two conveying mechanisms 100, the two conveying mechanisms 100 are respectively supported on two opposite sides of the bottom surface of the excavator to be assembled, when the conveying mechanisms 100 convey the excavator to be assembled to the position above the jacking device 200, the jacking device 200 can jack the excavator to be assembled to a height suitable for operation of an operator, the operator can conveniently connect the lower body with the slewing device, and the assembling efficiency is improved.
The conveying mechanism 100 may be a conveyor belt or a moving flight drive mechanism.
As shown in fig. 3, the jacking device 200 includes a jacking portion 210 and a telescopic cylinder 220; the movable end of the telescopic cylinder 220 can reciprocate vertically, the movable end of the telescopic cylinder 220 is connected with the jacking portion 210, and the jacking portion 210 is used for supporting an excavator to be assembled.
Specifically, the jacking portion 210 may be a plate-shaped structure, and the shape of the jacking portion may be matched with the bottom of the excavator to be assembled, so as to stably support the excavator to be assembled. The telescopic cylinder 220 is vertically disposed, the telescopic cylinder 220 may drive the lifting portion 210 to reciprocate vertically, and the telescopic cylinder 220 may be a hydraulic cylinder.
The jacking device 200 may also be a scissor lift.
The jacking device 200 is provided with a guide sleeve 230 extending vertically, a guide rod 240 is arranged below the jacking portion 210, and the guide rod 240 is slidably connected in the guide sleeve 230.
In order to enable the jacking portion 210 to perform reciprocating motion stably in the vertical direction, a guide sleeve 230 is arranged on the jacking device 200, the guide sleeve 230 is vertically arranged and fixed, a guide rod 240 on the jacking portion 210 can slide in the guide sleeve 230, and the guide sleeve 230 plays a limiting role on the guide rod 240 to prevent the jacking portion 210 from shaking in the lifting process.
In this embodiment, the number of the guide sleeves 230 and the number of the guide rods 240 are multiple and are in one-to-one correspondence.
As shown in fig. 3, the excavator assembly equipment includes a moving device, the jacking device 200 is mounted on the moving device, and the moving device is configured to drive the jacking device 200 to reciprocate along a direction parallel to the conveying direction of the conveying mechanism 100.
The assembling process of the excavator to be assembled can be a dynamic process, a plurality of excavators to be assembled are placed on the conveying mechanism 100 at intervals, the excavator to be assembled is driven to move forwards along with the operation of the conveying mechanism 100, when the excavator moves to the position above the jacking device 200, the jacking device 200 jacks the excavator to be assembled, meanwhile, the moving device can drive the jacking device 200 and the excavator to be assembled to move forwards together, so that the excavator to be assembled can be assembled under the condition that the conveying mechanism 100 is not paused, and meanwhile, the next excavator to be assembled on the conveying mechanism 100 is ensured not to collide with the excavator to be assembled on the jacking device 200.
As shown in fig. 4 and 5, the moving device includes a moving portion and a support platform 310, the support platform 310 includes a guide rail 311 extending in a direction parallel to the conveying direction of the conveying mechanism 100, and the moving portion is slidable along the guide rail 311; the supporting platform 310 is provided with a chain 320 with two ends fixed thereon, the length direction of the chain 320 is parallel to the length direction of the guide rail 311, the moving part is provided with a motor 250, and an output shaft of the motor 250 is connected with a driving gear 260 meshed with the chain 320.
Specifically, the moving device includes a moving part and a supporting platform 310, the supporting platform 310 is located below the conveying mechanism 100, and the moving part can move back and forth along a guide rail 311 on the supporting platform 310. A chain 320 is fixedly connected to the support plate. The extending direction of the chain 320 is parallel to the transmission direction of the conveying mechanism 100, the motor 250 on the moving part is used as a driving mechanism, a gear on an output shaft of the motor 250 is meshed with the chain 320, when the motor 250 rotates positively, the driving gear 260 and the chain 320 move mutually, and the driving gear 260 can drive the moving part to move forwards; on the contrary, when the motor 250 rotates reversely, the moving part moves backwards, that is, when the jacking device 200 jacks the excavator to be assembled, the moving part moves forwards, and when the excavator to be assembled is assembled, the jacking device 200 drops the excavator to be assembled on the conveying mechanism 100, and the moving part drives the jacking device 200 to move backwards and return to the initial position.
The moving part is provided with a traveling wheel assembly 400 capable of traveling on the guide rail 311.
In order to reduce the friction between the moving part and the guide rail 311, a traveling wheel assembly 400 may be provided on the moving part, and the traveling wheel assembly 400 may be a passive rotating wheel. The traveling wheel assembly 400 may include four traveling wheels on the moving part, respectively located at four corners of the moving part.
Two steering gears 270 are arranged on the moving part, the driving gear 260 is positioned between the two steering gears 270 and is higher than the steering gears 270, and the chain 320 is meshed with one steering gear 270, the driving gear 260 and the other steering gear 270 in sequence.
In order to make the chain 320 better engaged with the driving gear 260, two steering gears 270 are provided on the moving portion, the chain 320 is wound around the steering gears 270 and the driving gear 260, one of the steering gears 270 changes the chain 320 whose head end portion extends horizontally to extend vertically and to wind around the driving gear 260, and the other steering gear 270 changes the chain 320 extending vertically to extend horizontally.
A limiting structure is arranged between the moving part and the supporting platform 310, and the limiting structure is used for limiting the moving part in the horizontal and vertical directions.
In the assembling process, the moving part needs to drive the jacking device 200 to move back and forth in a reciprocating mode, the excavator to be assembled is further supported above the jacking part 210, the limiting structure can limit the moving part in the vertical direction and the horizontal direction, and the moving part is prevented from inclining in the advancing process.
The guide rail 311 includes a horizontal support portion and a vertical support portion, and both the horizontal support portion and the vertical support portion are arranged along the extending direction of the guide rail 311; the upper surface of the horizontal support part is used for supporting the walking wheel assembly 400, and the vertical support part is connected below the horizontal support part and is vertical to the horizontal support part; a vertical limiting wheel 510 is arranged on the moving part, and the vertical limiting wheel 510 is positioned at the lower side of the horizontal supporting part and can roll on the lower surface of the horizontal supporting part; the movable part is provided with a first horizontal limiting wheel 520 and a second horizontal limiting wheel 530, the first horizontal limiting wheel 520 and the second horizontal limiting wheel 530 are respectively arranged on two sides of the vertical supporting part, and the first horizontal limiting wheel 520 and the second horizontal limiting wheel 530 can roll on the side wall of the vertical supporting part to walk.
Specifically, in this embodiment, the guide rail 311 may be made of an i-steel, wherein one of the flanges of the i-steel forms a horizontal support portion, and the web of the i-steel forms a vertical support portion. The vertical limiting wheel 510 is positioned between the two wing plates and is contacted with the bottom surface of the wing plate close to the upper part, so that the moving part is prevented from moving towards the right upper part; the first horizontal limiting wheel 520 and the second horizontal limiting wheel 530 are located on two sides of the web plate, the axes of the first horizontal limiting wheel 520 and the second horizontal limiting wheel 530 are vertically arranged, the first horizontal limiting wheel 520 and the second horizontal limiting wheel 530 are used for preventing the moving part from shifting in the left-right direction, and the safety factor of work is improved.
The excavator assembly production line provided by the embodiment of the invention comprises the excavator assembly equipment. Because the excavator assembly line provided by the embodiment of the invention uses the excavator assembly equipment, the excavator assembly line provided by the embodiment of the invention also has the advantages of the excavator assembly equipment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. An excavator mounting apparatus, comprising: the two conveying mechanisms (100) are parallel to each other on the same horizontal plane and are spaced, and the two conveying mechanisms (100) are used for being supported on two sides of the bottom surface of the excavator to be assembled;
a jacking device (200) is arranged between the two conveying mechanisms (100), and the jacking device (200) is used for lifting the excavator to be assembled passing through the upper part of the jacking device;
the excavator assembly equipment comprises a moving device, wherein the jacking device (200) is installed on the moving device, and the moving device is used for driving the jacking device (200) to reciprocate along the direction parallel to the conveying direction of the conveying mechanism (100).
2. The excavator mounting apparatus of claim 1, wherein the jacking device (200) comprises a jacking portion (210) and a telescoping cylinder (220);
the movable end of the telescopic cylinder (220) can vertically reciprocate, the movable end of the telescopic cylinder (220) is connected with the jacking portion (210), and the jacking portion (210) is used for supporting an excavator to be assembled.
3. The excavator mounting apparatus of claim 2, wherein the jacking device (200) is provided with a vertically extending guide sleeve (230), and a guide rod (240) is arranged below the jacking portion (210), and the guide rod (240) is slidably connected in the guide sleeve (230).
4. The excavator mounting apparatus of claim 1, wherein the moving means includes a moving portion and a support platform (310), the support platform (310) including a guide rail (311) extending in a direction parallel to a conveying direction of the conveyor mechanism (100), the moving portion being slidable along the guide rail (311);
the supporting platform (310) is provided with a chain (320) with two ends fixed thereon, the length direction of the chain (320) is parallel to the length direction of the guide rail (311), the moving part is provided with a motor (250), and an output shaft of the motor (250) is connected with a driving gear (260) meshed with the chain (320).
5. The excavator mounting apparatus of claim 4, wherein the moving portion is provided with a traveling wheel assembly (400) capable of traveling on the guide rail (311).
6. The excavator mounting apparatus of claim 4, wherein two steering gears (270) are provided on the moving portion, the driving gear (260) is located between the two steering gears (270) and is higher than the steering gears (270), and the chain (320) is sequentially engaged with one of the steering gears (270), the driving gear (260) and the other steering gear (270).
7. The excavator mounting apparatus of claim 5, wherein a stop structure is provided between the moving part and the support platform (310) for stopping the moving part in horizontal and vertical directions.
8. The excavator mounting apparatus of claim 7, wherein the guide rail (311) comprises a horizontal support portion and a vertical support portion, and both the horizontal support portion and the vertical support portion are provided along an extending direction of the guide rail (311);
the upper surface of the horizontal supporting part is used for supporting a walking wheel assembly (400), and the vertical supporting part is connected below the horizontal supporting part and is vertical to the horizontal supporting part;
a vertical limiting wheel (510) is arranged on the moving part, and the vertical limiting wheel (510) is positioned on the lower side of the horizontal supporting part and can roll on the lower surface of the horizontal supporting part;
the movable part is provided with a first horizontal limiting wheel (520) and a second horizontal limiting wheel (530), the first horizontal limiting wheel (520) and the second horizontal limiting wheel (530) are respectively arranged on two sides of the vertical supporting part, and the first horizontal limiting wheel (520) and the second horizontal limiting wheel (530) can roll on the side wall of the vertical supporting part to walk.
9. An excavator assembly line comprising an excavator assembly apparatus as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363610.7A CN110921200B (en) | 2019-12-26 | 2019-12-26 | Excavator assembly equipment and excavator assembly production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911363610.7A CN110921200B (en) | 2019-12-26 | 2019-12-26 | Excavator assembly equipment and excavator assembly production line |
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| CN110921200A CN110921200A (en) | 2020-03-27 |
| CN110921200B true CN110921200B (en) | 2021-04-30 |
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| CN203334744U (en) * | 2013-06-20 | 2013-12-11 | 佛山市维斯立智能停车设备有限公司 | Supporting mechanism of monorail type no-avoidance three-dimensional parking equipment |
| CN204524755U (en) * | 2014-10-30 | 2015-08-05 | 山东冠县鲁牛工程机械有限公司 | A kind of excavator assembles simple and easy streamline |
| CN204713094U (en) * | 2015-05-20 | 2015-10-21 | 无锡中鼎物流设备有限公司 | A kind of steering hardware for turn-type piler |
| CN106324876A (en) * | 2016-10-25 | 2017-01-11 | 捷星显示科技（福建）有限公司 | Assembly line for borderless liquid crystal display panels |
| CN206579647U (en) * | 2017-03-21 | 2017-10-24 | 深圳市晟鑫能源科技有限公司 | A kind of wheel guide rail and Anti-side-turning device |
| CN207957639U (en) * | 2018-01-22 | 2018-10-12 | 淮安信息职业技术学院 | A kind of automotive check lifting machine |
| CN208165951U (en) * | 2018-04-20 | 2018-11-30 | 霍州煤电集团鑫钜煤机装备制造有限责任公司 | Belt conveyor with walking function |
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| CN110921200A (en) | 2020-03-27 |
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