CN112047040A - Pressure vessel production line capable of spanning rail trolleys and being arranged in parallel - Google Patents
Pressure vessel production line capable of spanning rail trolleys and being arranged in parallel Download PDFInfo
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- CN112047040A CN112047040A CN202010966598.5A CN202010966598A CN112047040A CN 112047040 A CN112047040 A CN 112047040A CN 202010966598 A CN202010966598 A CN 202010966598A CN 112047040 A CN112047040 A CN 112047040A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 87
- 238000013519 translation Methods 0.000 claims abstract description 68
- 238000012546 transfer Methods 0.000 claims abstract description 57
- 238000012545 processing Methods 0.000 claims abstract description 27
- 238000003466 welding Methods 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 238000005520 cutting process Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 4
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- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000008859 change Effects 0.000 description 9
- 238000007689 inspection Methods 0.000 description 9
- 238000003860 storage Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
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- 238000004806 packaging method and process Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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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
- B65G35/00—Mechanical conveyors not otherwise provided for
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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
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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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
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/001—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base
- B65G41/003—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames with the conveyor adjustably mounted on the supporting frame or base mounted for linear movement only
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Abstract
The invention discloses a span-variable rail trolley and a pressure vessel production line arranged in parallel, wherein the span-variable rail trolley comprises a trolley platform, and the end part of the trolley platform is provided with a forward and backward driving wheel and a first driving mechanism; the middle parts of the two sides are provided with a translation mechanism bracket and a second driving mechanism; and a third driving mechanism is arranged between the trolley platform and the translation mechanism bracket and drives the translation mechanism bracket to move up and down. The pressure vessel production line comprises a plurality of main circulation tracks, each main circulation track comprises a processing track and a transfer track, a transfer cross track is arranged in the middle of each station of the processing track, a rail trolley can be used for loading workpieces to move horizontally to the transfer tracks at any station of the processing tracks, and the rail trolley on the transfer tracks can be used for loading the workpieces to move horizontally to any station of the processing tracks. The pressure container production line has high automation degree, can effectively avoid the blockage of the production line, furthest get rid of the dependence on the travelling crane, improve the manufacturing efficiency, save the manufacturing cost and save the production field.
Description
Technical Field
The invention belongs to the technical field of pressure vessel manufacturing, and particularly relates to a pressure vessel production line capable of spanning a rail trolley and being arranged in parallel.
Background
For a pressure container, in particular to a stainless steel thin-wall pressure container, the manufacturing process flow comprises the following steps: the method comprises the steps of plate rolling (pre-rounding of a cylinder section) → longitudinal joint assembling spot welding and installing arc striking and extinguishing plate spot welding → longitudinal joint welding → cutting arc striking and extinguishing plate and grinding → rewinding of the cylinder section → cylinder section assembling + circular seam spot welding → cylinder section circular seam welding → longitudinal joint, circular seam nondestructive inspection → cylinder scribing and hole arrangement, drilling and plasma cutting holes → cylinder assembling pipe joint and welding → cylinder internal accessory assembling and welding → end socket assembling and spot welding → end socket circular seam nondestructive inspection, pipe joint nondestructive inspection → hydraulic test → surface sand blasting (or acid pickling passivation treatment) → packaging. The cylinder section assembly and the workpiece after circular seam spot welding need to flow downwards according to the process flow, the workpiece can be supported by two active roller frames in the prior art to flow downwards, the mode is particularly suitable for a thick-wall container, the thick-wall container has enough rigidity, the workpiece can be supported by only two active roller frames, if the weight of an internal part of the container is very large and the position of a container pipe joint is limited, in order to prevent the local deformation of the workpiece caused by stress concentration at the position of the roller frame, an auxiliary roller frame is usually required to be added for the thin-wall container workpiece, therefore, in the prior art, a method is provided, a splicing trolley is adopted according to the length of the workpiece to provide a longer table top, a plurality of roller frames can be arranged on the table top according to the requirement to support the workpiece, the trolley can travel along a rail, and the trolley can only travel on the rail in a straight line and cannot travel, because a plurality of workpieces are stopped on the track, the trolleys cannot return, and the trolleys need to be hung to the front end of the track one by a traveling crane for combination, and the arrangement in a series connection mode influences the normal circulation of the workpieces behind when a certain process has a problem.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention aims to provide a straddle-type rail trolley, which has a lower center of gravity after carrying a roller frame and a workpiece, is convenient for assembling the workpiece and welding internal parts and is more stable in the welding process.
The invention also aims to provide a pressure container production line arranged in parallel, which has high automation degree, can effectively avoid the blockage of the production line, increases the flexibility of the production line, flexibly uses the assembly field of each workpiece internal part, and enables the production line to get rid of the dependence on a travelling crane to the maximum extent, thereby improving the manufacturing efficiency, saving the manufacturing cost and saving the production field.
In order to achieve the purpose, the invention adopts the following technical scheme:
a track trolley capable of spanning comprises a trolley platform, wherein the end part of the trolley platform is respectively provided with a forward and backward driving wheel and a first driving mechanism for driving the forward and backward driving wheel to move forward and backward along a track;
the middle parts of two sides of the trolley platform are respectively provided with a translation mechanism bracket, and the translation mechanism bracket is provided with a translation driving wheel and a second driving mechanism for driving the translation driving wheel to translate along a track;
and a third driving mechanism is arranged between the trolley platform and the translation mechanism support and is used for driving the translation mechanism support to move up and down relative to the trolley platform.
Furthermore, a guide mechanism is arranged between the trolley platform and the translation mechanism support and used for guiding the up-and-down movement of the translation mechanism support.
Furthermore, forward and backward driving wheel supports are respectively arranged on two sides of the end part of the trolley platform, the forward and backward driving wheels are mounted on the forward and backward driving wheel supports, the two forward and backward driving wheels at the same end are connected through a first transmission shaft, and a chain wheel is mounted on the first transmission shaft;
the end parts of the platform of the trolley are respectively provided with a first driving mechanism mounting bracket, the first driving mechanism mounting bracket is provided with a forward and backward driving motor and a speed reducer, the output ends of the forward and backward driving motor and the speed reducer are provided with chain wheels, and power is transmitted to the chain wheels on the first transmission shaft through chains.
Furthermore, two ends of the outer side of each translation mechanism bracket are respectively provided with a translation driving wheel support, the translation driving wheel supports are provided with translation driving wheels, the two translation driving wheels on the same side are connected through a second transmission shaft, and the second transmission shaft is provided with a chain wheel;
every be equipped with second actuating mechanism installing support on the translation mechanism support, install translation driving motor and reduction gear on the second actuating mechanism installing support, the sprocket is installed to translation driving motor and reduction gear output, transmits power for through the chain on the second transmission shaft the sprocket.
Furthermore, every the guiding mechanism support is installed respectively at translation mechanism support both ends, install the uide bushing on the guiding mechanism support, platform truck platform side correspond the position install with the guide post that the uide bushing matches, the translation mechanism support is followed the guide post up-and-down motion.
Furthermore, third driving mechanism mounting supports are respectively arranged on two sides of the trolley platform, jacking oil cylinders are arranged on the third driving mechanism mounting supports, piston rods of the jacking oil cylinders are connected with the guide mechanism supports, and the jacking oil cylinders drive the translation mechanism supports to move up and down relative to the trolley platform.
Furthermore, two sides of two end parts of the trolley platform are respectively provided with adjustable supporting legs, and the adjustable supporting legs can be manually or automatically adjusted.
A pressure container production line arranged in parallel comprises a plurality of main flow tracks arranged in parallel, wherein each main flow track comprises a processing track and a transferring track, the number of the processing tracks is at least one, and the number of the transferring tracks is at least one; a plurality of stations are arranged on the processing track according to the process flow, a transfer track is arranged in the middle of each station, and the transfer track is perpendicular to the main transfer track;
a transshipment rail for carrying a workpiece to pass through the main transfer rail and the transshipment rail, wherein at any station on the processing rail, the transshipment rail can carry the workpiece to translate to the transshipment rail for operation, and the transshipment rail can carry the workpiece to translate to any station on the processing rail; the rail trolley capable of transferring is the rail trolley capable of transferring.
Furthermore, a barrel loading station, a barrel section circular seam welding station, a longitudinal seam and circular seam nondestructive inspection station, a barrel scribing and hole arranging station, a drilling station and a plasma cutting hole station are arranged on the machining track, a barrel is assembled with a pipe joint and is welded with the station, accessories inside the barrel is assembled with the welding station, and a head assembly and spot welding station, a head circular seam and a pipe joint nondestructive inspection station are arranged on the machining track.
Furthermore, a plurality of assembling and welding stations for accessories inside the cylinder body are provided.
The invention has the beneficial effects that:
1. the pressure container production line adopts a parallel arrangement method, a plurality of transfer tracks are arranged among a plurality of main flow transfer tracks, the transfer tracks are perpendicular to the main flow transfer tracks and are equal in height, the transfer track trolley can run on the main flow transfer tracks and can be transferred to other tracks through the transfer tracks to run, workpieces can be delivered to any station by the transfer track trolley, once the workpieces of the unloaded transfer track trolley complete all process flows, the transfer track trolley can automatically return to the front end of the main flow transfer tracks to reload the workpieces. The automatic degree of the production line of the pressure container can be greatly improved, the production line can be effectively prevented from being blocked, the flexibility of the production line is increased, each workpiece internal part assembly field can be flexibly used, the production line can get rid of the dependence on the travelling crane to the maximum extent, and therefore the manufacturing efficiency is improved, the manufacturing cost is saved, and the production field is saved.
2. The height of the transshipment track trolley product on the market is generally 700mm-800mm, and the use requirement of a container production line cannot be met due to the overhigh height. The height of the rail trolley capable of being spanned in a rotatable mode is not more than 400mm, the center of gravity is lower after the roller frame and the workpiece are carried, and the workpiece is convenient to assemble and weld internal parts.
3. This application can change to stride has the adjustable supporting legs to have the rail platform truck, can change to stride the rail platform truck and take the work piece to move barrel girth welding station to and during head girth welding station, can easily put down the adjustable supporting legs, will can change to stride the rail platform truck and lift up, make the work piece more stable in welding process.
4. This application can change to stride motor and hydraulic system on the rail platform truck adopt the storage battery drive, can change to stride the rail platform truck at mainstream commentaries on classics track with change and stride the track and can both move freely, can both adopt the adjustable supporting legs to support at any station, can change to stride the rail platform truck except that operation and jacking process need be power consumptive, in case the adjustable supporting legs need not be power consumptive after supporting, consequently, can maintain the long time after the storage battery charges.
Drawings
FIG. 1 is a schematic diagram of a pressure vessel manufacturing line of the present application;
FIG. 2 is a schematic view of the rail car carrier roller and drum configuration of the present application;
FIG. 3 is an enlarged partial view of the railcar of the present application;
wherein: 1-main circulation track, 1 a-processing track, 1 b-transfer track, 2-transfer track, 3-shell ring seam welding station, 4-longitudinal seam and ring seam nondestructive inspection station, 5-barrel scribing hole arranging station, drilling hole and plasma cutting hole station, 6-barrel assembly pipe joint and welding station, 7-barrel internal accessory assembly and welding station, 8-end socket assembly and spot welding station, 9-end socket ring seam welding station, 10-end socket ring seam and pipe joint nondestructive inspection station, 11-barrel, 12-transfer track trolley, 13-roller frame, 14-trolley platform, 15-forward and backward driving motor and reducer, 16-forward and backward driving wheel, 17-translational driving motor and reducer, 18-translational driving wheel, 19-a translation mechanism support, 20-adjustable supporting feet, 21-a jacking oil cylinder, 22-a third driving mechanism mounting support, 23-a guide post, 24-a guide sleeve, 25-a second transmission shaft, 26-a guide mechanism support, 27-a translation driving wheel support, 28-a forward and backward driving wheel support, 29-a first transmission shaft and 30-a barrel loading station.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. This invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the invention to those skilled in the art, and the present invention will only be defined by the appended claims.
As shown in fig. 1-3, a straddle-type rail-guided trolley comprises a trolley platform 14, wherein the trolley platform 14 is made of rectangular section steel and steel plate, a plurality of roller frames 12 are arranged on the trolley platform 14, and the roller frames 12 are used for loading barrels 11 to be processed and transported on a production line.
The carriage platform 14 is provided at an end thereof with a forward/backward driving wheel 16 and a first driving mechanism for driving the forward/backward driving wheel 16 to move forward/backward along the track.
The middle parts of two sides of the trolley platform 14 are respectively provided with a translation mechanism bracket 19, and the translation mechanism bracket 19 is provided with a translation driving wheel 18 and a second driving mechanism for driving the translation driving wheel 18 to translate along the track.
A third driving mechanism is arranged between the trolley platform 14 and the translation mechanism bracket 19 and is used for driving the translation mechanism bracket 19 to move up and down relative to the trolley platform 14.
Furthermore, forward and backward driving wheel supports 28 are respectively arranged on two sides of the end part of the trolley platform 14, a forward and backward driving wheel 16 is installed in the middle of the forward and backward driving wheel supports 28, the two forward and backward driving wheels 16 at the same end are connected through a first transmission shaft 29, and a chain wheel is installed on the first transmission shaft 29;
the end parts of the trolley platform 14 are respectively provided with a first driving mechanism mounting bracket, and a first driving mechanism is mounted on the first driving mechanism mounting bracket. Preferably, the first driving mechanism is a forward and backward driving motor and a speed reducer 15, and a sprocket is installed at the output end of the forward and backward driving motor and the speed reducer 15, and power is transmitted to the sprocket on the first transmission shaft 29 through a chain.
Furthermore, the two ends of the outer side of each translation mechanism bracket 19 are respectively provided with a translation driving wheel support 27, the translation driving wheel 18 is arranged in the middle of the translation driving wheel support 27, the two translation driving wheels 18 on the same side are connected through a second transmission shaft 25, and the second transmission shaft 25 is provided with a chain wheel;
each translation mechanism bracket 19 is provided with a second driving mechanism mounting bracket on which a second driving mechanism is mounted. Preferably, the second driving mechanism is a translation driving motor and a speed reducer 17, and a chain wheel is installed at the output end of the translation driving motor and the speed reducer 17, and power is transmitted to the chain wheel on the second transmission shaft 25 through a chain.
Further, the forward and reverse drive wheels 16 and the translation drive wheels 18 of the traversable rail trolley 12 can be increased in number according to the load capacity, and the traversable rail trolley 12 can be designed into different length series according to the length of the workpiece.
Further, a third driving mechanism mounting bracket 22 is respectively disposed on two sides of the trolley platform 14, and a third driving mechanism is disposed on the third driving mechanism mounting bracket 22. Preferably, the third driving mechanism is a jacking cylinder 21, a front flange of the jacking cylinder 21 is connected with the third driving mechanism mounting bracket 22, a piston rod of the jacking cylinder 21 is connected with the guide mechanism support 26, and the jacking cylinder 21 drives the translation mechanism bracket 19 to move up and down relative to the trolley platform 14.
Further, a guide mechanism is provided between the trolley platform 14 and the translation mechanism bracket 19 for guiding the up-and-down movement of the translation mechanism bracket 19.
Specifically, two ends of each translation mechanism support 19 are respectively provided with a guide mechanism support 26, a guide sleeve 24 is arranged on each guide mechanism support 26, a guide post 23 matched with the guide sleeve 24 is arranged at a corresponding position on the side surface of the trolley platform 14, and the translation mechanism supports 19 move up and down along the guide posts 23.
Furthermore, two sides of two ends of the trolley platform 14 are respectively provided with adjustable supporting legs 20, the adjustable supporting legs 20 are located above the track, and the adjustable supporting legs 20 can be manually or automatically adjusted. Preferably, the adjustable support foot 20 is a screw nut driven support foot, and a rotatable hand wheel or motor is driven to lower or raise the support foot.
This application can change to stride there is rail platform truck to take the work piece to move some stations, for example during welding station, can easily put down adjustable supporting legs 20, will can change to stride the rail platform truck and lift up, makes the work piece more stable in welding process.
Furthermore, the height of the transfer-spanning rail trolley does not exceed 400mm, the gravity center is lower after the roller frame 13 and the workpiece are carried, and the workpiece assembly and the welding of internal parts are facilitated. The height of the rail trolley products which can be spanned on the market is generally 700mm-800mm, and the use requirements of a container production line cannot be met due to the overhigh height.
The utility model provides a pressure vessel production line of parallel arrangement, includes many main circulation tracks 1 that set up parallel to each other, and main circulation track 1 is including processing track 1a and transfer track 1b, and the number of processing track 1a is at least one, and the number of transfer track 1b is at least one.
Preferably, the processing tracks 1a and the transferring tracks 1b are arranged at intervals, the processing tracks 1a are arranged on two sides of the pressure container production line, and one transferring track 1b is arranged between two adjacent processing tracks 1a in the middle. As shown in fig. 1, the pressure vessel production line includes three main circulation tracks 1 arranged in parallel, two sides of which are processing tracks 1a, and the middle of which is transfer track 1 b.
A plurality of different stations are arranged on the processing track 1a according to the structure and the technological process of a factory building, and stations are not arranged on the transferring track 1 b.
The main circulation tracks 1 can be arranged in a plurality of ways according to the structure of a factory building and the requirements of a process flow, and the plurality of transfer tracks 2 are arranged among the plurality of main circulation tracks 1 according to the structure of the factory building and the requirements of the process flow. The transfer track 2 is perpendicular to the main flow transfer track 1, the main flow transfer track 1 and the transfer track 2 are equal in height, and the transfer track 2 connects a plurality of parallel main flow transfer tracks 1 in series.
The transfer rail 2 is provided between the stations of the processing rail 1a, the transfer rail carriage 12 can load the workpiece to pass through the main flow transfer rail 1 and the transfer rail 2, the transfer rail carriage 12 can load the workpiece to be translated to the transfer rail 1b to run at any station of the processing rail 1a, and the transfer rail carriage 12 on the transfer rail 1b can load the workpiece to be translated to any station of the processing rail 1 a. Once the work piece has completed the entire process flow, the transshipment rail trolley 12 can automatically travel to the front end of the main stream of the transfer rail 1 to reload with new work pieces.
The straddling railcar 12 is the straddling railcar described above. Preferably, the straddle-able rail-guided vehicle 12 uses a battery as power and is provided with an electric cabinet, a storage battery pack, a charger, a forward/backward driving motor and a speed reducer 15, a translation driving motor and a speed reducer 17, a brake device and a wireless remote controller.
The motor and the jacking oil cylinder 21 on the transshipment track trolley 12 are driven by a storage battery, can freely run on a main stream transshipment track and a transshipment track, and can be supported by adjustable supporting legs 20 at any station. The stridable rail trolley 12 needs power consumption in the operation and jacking processes, and once the adjustable supporting legs 20 are supported, the power consumption is not needed, so that a battery can be maintained for a long time after being charged.
Furthermore, a cylinder loading station 30, a cylinder section circular seam welding station 3, a longitudinal seam and circular seam nondestructive inspection station 4, a cylinder scribing hole arranging, drilling and plasma cutting hole station 5, a cylinder assembly pipe joint and welding station 6, a cylinder internal accessory assembly and welding station 7, a head assembly and spot welding station 8, a head circular seam welding station 9, a head circular seam and pipe joint nondestructive inspection station 10 are arranged on the processing track 1 a. The stations are arranged according to a manufacturing process flow, and the number of each station can be one or more.
Furthermore, since the assembly and welding cycle of the accessories inside the cylinder is long, in order to fully utilize the production field and the production line functions, a plurality of assembly and welding stations 7 for the accessories inside the cylinder are provided.
The pressure container production line adopts a parallel arrangement method, a plurality of transfer tracks are arranged among a plurality of main flow transfer tracks, the transfer tracks are perpendicular to the main flow transfer tracks and are equal in height, the transfer track trolley can run on the main flow transfer tracks and can be transferred to other tracks through the transfer tracks to run, workpieces can be delivered to any station by the transfer track trolley, once the workpieces of the unloaded transfer track trolley complete all process flows, the transfer track trolley can automatically return to the front end of the main flow transfer tracks to reload the workpieces. The automatic degree of the production line of the pressure container can be greatly improved, the production line can be effectively prevented from being blocked, the flexibility of the production line is increased, each workpiece internal part assembly field can be flexibly used, the production line can get rid of the dependence on the travelling crane to the maximum extent, and therefore the manufacturing efficiency is improved, the manufacturing cost is saved, and the production field is saved.
The working process is as follows: when the striding-capable rail trolley 12 strides, the forward and backward driving motor and the speed reducer 15 align the translation driving wheel 18 on the striding-capable rail trolley 12 with the striding rail 2 and stop the same, the jacking cylinder 21 is started, the translation driving wheel 18 contacts the striding rail 2, meanwhile, the forward and backward driving wheel 16 is separated from the main circulation rail 1, the translation driving motor and the speed reducer 17 are started to drive the striding-capable rail trolley 12 to translate, the forward and backward driving wheel 16 is aligned with the main circulation rail 1 and stops the same, the jacking cylinder 21 is started to move reversely, the forward and backward driving wheel 16 is enabled to contact the main circulation rail 1, meanwhile, the translation driving wheel 18 is retracted, and the striding process is completed. When the adjustable supporting legs 20 are needed to support, the jacking oil cylinder 21 is started, and the adjustable supporting legs 20 are adjusted to be supported in a grounding mode; when the straddle-able rail car 12 moves without being supported by the adjustable supporting feet 20, the jacking cylinder 21 is started to move reversely, and the adjustable supporting feet 20 are adjusted to lift.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. A straddling rail-guided vehicle comprising a vehicle platform (14), characterized in that: the end part of the trolley platform (14) is respectively provided with a forward and backward driving wheel (16) and a first driving mechanism for driving the forward and backward driving wheel (16) to move forward and backward along the track;
the middle parts of two sides of the trolley platform (14) are respectively provided with a translation mechanism bracket (19), and a translation driving wheel (18) and a second driving mechanism for driving the translation driving wheel (18) to translate along a track are arranged on the translation mechanism bracket (19);
and a third driving mechanism is arranged between the trolley platform (14) and the translation mechanism support (19) and is used for driving the translation mechanism support (19) to move up and down relative to the trolley platform (14).
2. A straddle-tracked trolley according to claim 1, wherein: and a guide mechanism is further arranged between the trolley platform (14) and the translation mechanism support (19) and is used for guiding the up-and-down movement of the translation mechanism support (19).
3. A straddle-tracked trolley according to claim 1, wherein: a forward and backward driving wheel support (28) is respectively arranged on two sides of the end part of the trolley platform (14), the forward and backward driving wheel (16) is mounted on the forward and backward driving wheel support (28), the two forward and backward driving wheels (16) at the same end are connected through a first transmission shaft (29), and a chain wheel is mounted on the first transmission shaft (29);
the end parts of the trolley platforms (14) are respectively provided with a first driving mechanism mounting support, the first driving mechanism mounting supports are provided with forward and backward driving motors and speed reducers (15), chain wheels are mounted at the output ends of the forward and backward driving motors and the speed reducers (15), and power is transmitted to the chain wheels on the first transmission shafts (29) through chains.
4. A straddle-tracked trolley according to claim 1, wherein: the two ends of the outer side of each translation mechanism support (19) are respectively provided with a translation driving wheel support (27), the translation driving wheels (18) are mounted on the translation driving wheel supports (27), the two translation driving wheels (18) on the same side are connected through a second transmission shaft (25), and a chain wheel is mounted on the second transmission shaft (25);
every be equipped with second actuating mechanism installing support on translation mechanism support (19), install translation driving motor and reduction gear (17) on the second actuating mechanism installing support, the sprocket is installed to translation driving motor and reduction gear (17) output, transmits power for through the chain on second transmission shaft (25) the sprocket.
5. A straddle-tracked trolley according to claim 1, wherein: every guiding mechanism support (26) are installed respectively to translation mechanism support (19) both ends, install uide bushing (24) on guiding mechanism support (26), platform truck platform (14) side correspond the position install with guide post (23) that uide bushing (24) match, translation mechanism support (19) are followed guide post (23) up-and-down motion.
6. A straddle-tracked trolley according to claim 1, wherein: platform truck platform (14) both sides are equipped with third actuating mechanism installing support (22) respectively, be equipped with jacking cylinder (21) on third actuating mechanism installing support (22), the piston rod of jacking cylinder (21) is connected guiding mechanism support (26), jacking cylinder (21) drive translation mechanism support (19) for platform truck platform (14) up-and-down motion.
7. A straddle-tracked trolley according to claim 1, wherein: the adjustable type trolley is characterized in that two sides of two end parts of the trolley platform (14) are respectively provided with an adjustable type supporting leg (20), and the adjustable type supporting legs (20) can be manually or automatically adjusted.
8. A parallel arrangement pressure vessel production line characterized by: the device comprises a plurality of main circulation tracks (1) which are arranged in parallel, wherein each main circulation track (1) comprises a processing track (1a) and a transferring track (1b), the number of the processing tracks (1a) is at least one, and the number of the transferring tracks (1b) is at least one; the processing track (1a) is provided with a plurality of stations according to the process flow, a transfer track (2) is arranged in the middle of each station, and the transfer track (2) is perpendicular to the main transfer track (1);
a transshipment rail trolley (12) loads workpieces to pass through the main circulation rail (1) and the transshipment rail (2), the transshipment rail trolley (12) can be used for loading the workpieces to translate to the transfer rail (1b) to run at any station of the processing rail (1a), and the transshipment rail trolley (12) on the transfer rail (1b) can be used for loading the workpieces to translate to any station of the processing rail (1 a); the straddle-able rail car (12) is a straddle-able rail car according to any one of claims 1 to 7.
9. The parallel arrangement pressure vessel production line of claim 8, wherein: be equipped with barrel loading station (30) on processing track (1a), shell ring girth welding station (3), longitudinal joint, girth nondestructive test station (4), barrel marking off round hole, drilling and plasma cutting hole station (5), barrel assembly coupling and welding station (6), barrel inside accessory equipment and welding station (7), head group to with spot welding station (8), head girth welding station (9) and head girth, coupling nondestructive test station (10).
10. The parallel arrangement of pressure vessel production lines of claim 9, wherein: a plurality of assembling and welding stations (7) for accessories in the cylinder body are arranged.
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