CN104493408B - Before and after crane frame, section group is to frock - Google Patents
Before and after crane frame, section group is to frock Download PDFInfo
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- CN104493408B CN104493408B CN201410787032.0A CN201410787032A CN104493408B CN 104493408 B CN104493408 B CN 104493408B CN 201410787032 A CN201410787032 A CN 201410787032A CN 104493408 B CN104493408 B CN 104493408B
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- platform
- line slideway
- centering
- clamping device
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Before and after the invention discloses a kind of crane frame, section group is to frock, comprise end platform, on it, be furnished with from front to back supporting leg case positioning clamping device, the back segment centering clamping device of front end centering clamping device, leading portion centering clamping device, front end, supporting leg case positioning clamping device and the rear end movable locating device of rear end, between front end centering clamping device and leading portion centering clamping device, be furnished with spring block positioner and oil cylinder seat positioner between two supporting leg case positioning clamping devices; Aforementioned each device is all along the lateral arrangement of end platform. By the positioning clamping device of many cover machinery, hydraulic pressure combination, the annexes such as the spring block on vehicle frame, oil cylinder seat and fixed supporting leg case are carried out to accurately location to be clamped, after the longitudinal centre line of vehicle frame is overlapped with the longitudinal centre line of end platform, the front and rear sections of vehicle frame is grouping to welding, when ensureing product quality, greatly enhance productivity, reduced workman's labour intensity. This frock is compatible multiple product simultaneously, highly versatile.
Description
Technical field
Before and after the present invention relates to a kind of crane frame, section group is to frock.
Background technology
At present before and after crane frame there is larger welding deformation after being grouping, welding under the prerequisite that there is no professional tooling in section, and precision do not reach drawing requirement, and hand labor intensity is large, and anti-work cost is high, and production efficiency is low.
Summary of the invention
The object of the present invention is to provide group that a kind of highly versatile, vehicle frame registration, repetitive positioning accuracy are high to frock.
Before and after the invention discloses a kind of crane frame, section group is to frock, comprise end platform, on it, be furnished with from front to back supporting leg case positioning clamping device, the back segment centering clamping device of front end centering clamping device, leading portion centering clamping device, front end, supporting leg case positioning clamping device and the rear end movable locating device of rear end, between front end centering clamping device and leading portion centering clamping device, be furnished with spring block positioner and oil cylinder seat positioner between two supporting leg case positioning clamping devices; Aforementioned each device is all along the lateral arrangement of end platform, and the longitudinal centre line of vehicle frame overlaps with the longitudinal centre line of each device and end platform.
Described front end centering clamping device comprises mobile platform and is connected in centering clamp mechanism and the lifting regulating mechanism of its upper end; Centering clamp mechanism is along the lateral arrangement of mobile platform, and four lifting regulating mechanism positions are in the both sides of centering clamp mechanism, and chute is arranged at the bottom of mobile platform, is connected with the latch assembly for be connected location with platform of the described end in chute; Centering clamp mechanism comprises holder, line slideway, take-up housing, hydraulic motor and trapezoidal screw, line slideway has two, symmetry is connected in the two ends of holder, take-up housing has two, symmetry is connected on line slideway, two contrary trapezoidal screws of thread rotary orientation are connected to the two ends of hydraulic motor, and trapezoidal screw is connected with the base plate of take-up housing by nut seat respectively. The rotation of fluid motor-driven trapezoidal screw, trapezoidal screw drives take-up housing along its move toward one another by nut seat respectively; Lifting regulating mechanism comprises the adjustment sleeve pipe through mobile platform upper end, adjusting the outer wall of sleeve pipe fixes by casing seat and mobile platform, on the sidewall of adjustment sleeve pipe, there are some paired locating holes, the interior supporting alignment pin that has of locating hole, on the sleeve pipe of casing seat, be useful on the respective aperture that alignment pin passes, the upper end of adjusting sleeve pipe is connected with adjusting nut, in the endoporus of adjusting nut, be connected with regulating shaft, sidewall is connected with handle, there is the external screw thread mating with adjusting nut the lower end of regulating shaft, and upper end is connected with the terminal pad with installing hole.
Described spring block positioner, comprise fixed platform, installing rack, line slideway and the slide block, sliding seat and the push-and-pull detent mechanism that connect successively from the bottom up, between fixed platform and sliding seat, there is the stretching oil cylinder that drives sliding seat to move along line slideway, push-and-pull detent mechanism comprises the centration axis assembly being connected with spring block on crane frame and is connected in the adjusting screw component of centration axis assembly upside, centration axis assembly and line slideway cocurrent and parallel are arranged, regulate screw component for regulating the height and position of centration axis assembly.
Described centration axis assembly comprises axle core, locating shaft and the centering collar of common longitudinal center line, axle core is positioned at the inner of locating shaft, centering collar is positioned at outside locating shaft, stretch out outside centering collar the inner of locating shaft, stretch out outside locating shaft the outer end of centering collar, the outer end of locating shaft has along its axial groove, is connected with push-and-pull assembly in groove, push-and-pull assembly comprises the connecting rod, handle and the backstay that connect successively outward from interior, the inner of connecting rod is connected in by rotational pin in the groove of described locating shaft outer end, there is the notch axial along described locating shaft the outer end of connecting rod, handle comprises connecting rod and is positioned at cranking arm of the inner side of connecting rod, backstay comprises cylinder and is connected in the screw rod of its outer end, the inner of cylinder has along its axial groove, the inner of handle connecting rod is connected in by alignment pin in the notch of connecting rod outer end, and the outer end of connecting rod is connected in by swivel pin in the groove of backstay the inner, push-and-pull assembly outer is with U-shaped support bar, the openend of support bar is connected with the outer end of described centering collar, its sidewall is parallel with described screw rod, its base is connected with described screw rod, on its sidewall, there is oval hole along its length, the two ends of described swivel pin are stretched in oval hole, the positive stop that the offside that the corresponding described handle in outside of two side is cranked arm has, the side of cranking arm of the corresponding handle in centering collar outer end has notch, the outer wall corresponding with locating shaft outer end groove location to be connected with perpendicular centering flange, outer surface and has indicator collet on longitudinally, push-and-pull detent mechanism also comprises the bearing of fixing described centration axis assembly, bearing comprises bedplate and is positioned at the riser of bedplate inner side, longitudinal both sides of riser have base to be connected in the reinforcement gusset on bedplate, the upper end of riser and reinforcement gusset is connected with panel, the inner edge of panel stretches out outside riser, the longitudinal center position of riser has and is greater than the move up and down hole of stroke of described centration axis assembly, there is fixed head the short transverse outer surface both sides of riser, there is pressing plate in the outside of fixed head, both is equal in length, the width of pressing plate is greater than the width of fixed head, both outer rims are concordant, pressing plate stretches out fixed head toward inner side, make to form between riser and pressing plate the chute of indent, in chute, there is slide plate, the centering collar of described centration axis assembly is vertically through the hole on riser, and the outside of slide plate is connected with described centering flange by bolt, regulate screw component to comprise the adjusting screw mandrel being connected with slide plate upper end, regulate the upper end of screw mandrel through the panel of bearing, be connected with panel by the nut seat on it, regulate the upper end of screw mandrel to be connected with adjusting rod, the lower end that regulates screw mandrel is lower large little T connector, and there is the mounting groove corresponding with described T connector at the width centre position place of described riser upper end. installing rack has two, is arranged symmetrically with about the longitudinal centre line of fixed platform, and described line slideway has two, and line slideway arranges on every line slideway, there are two slide blocks along the length direction center line of installing rack, piston rod is connected with the base plate of described sliding seat by mount pad, there is upset positioning component the inner of installing rack, and upset positioning component comprises the support being connected with installing rack and is connected in turnover Z-type movable joint clamp on support by steady pin, there is the position stop screw corresponding with Z-type movable joint clamp the inner of described sliding seat.
Described oil cylinder seat positioner comprises bearing and swing arm, and swing arm is articulated with the upper end of bearing by bearing pin and pipe; There is connecting hole Jun You one end, two ends of swing arm, wherein in the connecting hole of one end, is connected with oil cylinder seat alignment pin; On bearing, there is the latch of the swing arm of making location; In swing arm, there are some hinge holes.
Described supporting leg case positioning clamping device comprises slip centering body, jacking clamp mechanism and drive unit, two cover jacking clamp mechanism are arranged symmetrically with about the width of slip centering body, slip centering body comprises platform floor, the upside of platform floor be connected with along the horizontal line slideway of its width and on slide block, the lower end of jacking clamp mechanism is connected with this slide block and can slides along horizontal line slideway, and drive unit is connected between two jacking clamp mechanism as they slide power is provided along horizontal line slideway.
Described jacking clamp mechanism comprises jacking clamp assembly, side pressure assembly and fixes the base plate of two assemblies, and side pressure assembly is positioned at the outside of jacking clamp assembly, and base plate is fixedly connected with the slide block on described horizontal line slideway; Jacking clamp assembly comprises fixed cover, fairlead, elevating ram, clamping cylinder and upset locating piece assembly; Fixed cover is the rectangular box of upper end open, fairlead is arranged in the inner chamber of fixed cover, for the rectangular box of the equal opening of upper and lower side, it is highly greater than the height of fixed cover, there is line slideway and the linear slider assembly of vertical layout in the outside, two ends of its width, and the outside, width two ends of fixed cover is useful on fixingStraight lineThe fixed head of slide block is connected as a whole by fixed cover with linear slider; The upper end of fairlead is connected with cover plate, the length and width size of cover plate and fixed cover coupling; The piston rod of elevating ram is connected with the downside of cover plate, and its cylinder body is connected with the bottom of fixed cover; Clamping cylinder is connected in one end of cover plate upside by holder, clamping cylinder is positioned on the length direction median plane of cover plate; Upset locating piece assembly comprises block seat and hinged turnover thereon box locating piece, and block seat is fixed on the other end of cover plate upside; The bottom of fixed cover and described base plate are connected and fixed, and on the length direction sidewall of fixed cover and fairlead, have handle hole, and the handle hole on fixed cover has cover plate outward. Side pressure assembly comprises the supporting bracket fixing with described base plate and is connected in the position block frame of supporting bracket upper end, on this position block frame, be fixed with the thruster oil cylinder along described clamping cylinder vertical direction, the tailpiece of the piston rod of thruster oil cylinder is towards described clamping jacking assembly, and its end is connected with thruster pressing plate; Laterally line slideway is fixed on described platform floor by installing rack, the two ends of installing rack have makes the spacing limited block of described horizontal line slideway, installing rack has two, the front and back end of described platform floor is placed in, described horizontal line slideway has four, the be placed in two ends of installing rack, supporting on every horizontal line slideway have two described slide blocks; The downside of base plate is connected with at itself and the horizontal hog frame between the link position of line slideway; Drive unit comprises hydraulic motor, the two ends of hydraulic motor connect left-handed, dextrorotation screw mandrel by shaft coupling respectively, on two screw mandrels, all there is trapezoidal nut, trapezoidal nut is connected with the base plate of described corresponding side by holder, and hydraulic motor is connected with described platform floor with bearing block by mount pad respectively with shaft coupling; The downside of platform floor is connected with stretching oil cylinder and longitudinal line slideway, stretching oil cylinder is connected with platform floor by holder, longitudinally line slideway is connected with platform floor by the linear slider supporting with it, stretching oil cylinder is positioned on the width center line of platform floor, and line slideway is positioned at its both sides; The downside of platform floor is also fixed with stay wire sensor support.
Bilateral symmetry is furnished with vehicle frame bumping post to back segment on platform of the described end along its length, there is reference platform corresponding vehicle frame back segment seat ring face position.
This frock also comprises back segment elevation and subsidence regulating device, and back segment elevation and subsidence regulating device comprises gripper shoe, elevating ram, lever, holder and lead assembly; Elevating ram is connected in the downside in gripper shoe centre position by adpting flange and thread bush, lead assembly is connected in the downside two ends of gripper shoe in elevating ram; Lever is connected in the upside centre position place of gripper shoe by holder; Move and coordinate the guiding of lead assembly to make the baseplane of the steady jacking vehicle frame of lever by elevating ram, the seat ring face of vehicle frame is overlapped with described reference platform.
Described rear end movable locating device comprises line slideway and is connected in the sliding platform on line slideway by slide block, sliding platform is driven and is slided along line slideway by front push oil cylinder, one end of front push oil cylinder is connected on sliding platform, and the other end is connected on the platform floor of supporting leg case positioning clamping device of rear end; The front end of sliding platform has positioning seat; Line slideway is fixed on end platform by installing plate; The bottom side of sliding platform is provided with stay wire sensor, and stay wire sensor has protective cover outward.
Front end centering clamping device adds positive and negative trapezoidal screw by hydraulic motor and drives two take-up housing move toward one another by the front end both sides clamping and positioning of vehicle frame, is carried out the front end of support frame and is finely tuned balance simultaneously by quadruplet support adjustment mechanism.
Spring block positioner is installed on this mechanism on the end platform of frock by fixed platform, the lower end of push-and-pull detent mechanism is connected with the slide block on line slideway by sliding seat, drive push-and-pull detent mechanism to slide along the line slideway of fixed platform upper end by stretching oil cylinder, simultaneously centration axis assembly can be elastic, so that this mechanism can adapt to the location of spring block on the vehicle frame of different in width. The adjusting screw component that centration axis assembly upside connects drives centration axis assembly to move up and down, so that this mechanism can adapt to the location of spring block on differing heights vehicle frame. By upper and lower, the vehicle frame spring block location that front and back position is adjustable realizes different in width and height of centration axis assembly, the adjustment of front and back position is by the control of stretching oil cylinder, upper the next adjustment is by regulating screw component control, the spring block that ensures vehicle frame both sides is contour, concentric, and accurate positioning is quick.
Stretching oil cylinder and the line slideway auxiliary of the platform floor downside of supporting leg case positioning clamping device drive this detent mechanism to longitudinally move to correct position, particular location is by stay wire sensor control, the left side connecting by its two ends of fluid motor-driven, dextrorotation screw mandrel rotates, rotatablely moving of two screw mandrels is converted into the rectilinear motion of jacking clamp mechanism along line slideway on platform floor by the trapezoidal nut on it and holder thereof respectively, adjust the lateral attitude of supporting leg case, its longitudinal centre line is overlapped with the longitudinal centre line of vehicle frame, then adjust the lengthwise position of supporting leg case by clamping cylinder and upset locating piece, short transverse is by controlling the synchronization lifting of both sides elevating ram, adjustable height can be by stay wire sensor control, the bottom surface that ensures supporting leg case is parallel with the seat ring face of vehicle frame. laterally, longitudinally and after height and position adjusts, by side-pressing device, supporting leg case is accurately located.
The present invention is by the positioning clamping device of many cover machinery, hydraulic pressure combination, the annexes such as the spring block on vehicle frame, oil cylinder seat and fixed supporting leg case are carried out to accurately location to be clamped, after the longitudinal centre line of vehicle frame is overlapped with the longitudinal centre line of end platform, the front and rear sections of vehicle frame is grouping to welding, ensureing under the prerequisite of product quality, greatly enhance productivity, reduced workman's labour intensity. The quantity of spring block and oil cylinder seat positioning clamping device is determined according to the annex quantity on vehicle frame. This frock is compatible multiple product simultaneously, and versatility is extremely strong, simple to operate, and easily left-hand seat can be realized fast accurately location by sensor, and repetitive positioning accuracy is high.
Brief description of the drawings
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is the plan structure schematic diagram of Fig. 1.
Fig. 3 is perspective view of the present invention.
Fig. 4 is the perspective view of front end centering clamping device.
Fig. 5 is the main TV structure schematic diagram of spring block positioner.
Fig. 6 is the plan structure schematic diagram of Fig. 5.
Fig. 7 is that schematic diagram is looked on a left side of Fig. 5.
Fig. 8 is the perspective view of spring block positioner.
Fig. 9 is the perspective view of oil cylinder seat positioner.
Figure 10 is the main TV structure schematic diagram of supporting leg case positioning clamping device.
Figure 11 is the plan structure schematic diagram of Figure 10.
Figure 12 is the perspective view of supporting leg case positioning clamping device.
Figure 13 is the left TV structure schematic diagram of back segment movable locating device.
Figure 14 is the perspective view of back segment movable locating device.
Figure 15 is the sectional structure schematic diagram of back segment elevation and subsidence regulating device.
Figure 16 is the perspective view of back segment elevation and subsidence regulating device.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows, before and after the invention discloses a kind of crane frame, section group is to frock, comprise end platform 1, on end platform 1, be mainly furnished with from front to back front end centering clamping device 2, spring block positioner 3, oil cylinder seat positioner 4, leading portion centering clamping device 5, supporting leg case positioning clamping device 6, back segment centering clamping device 7, rear end movable locating device 8 and back segment elevation and subsidence regulating device 9.
As shown in Figure 4, front end centering clamping device 2 comprises mobile platform 21 and the centering clamp mechanism 22 and the lifting regulating mechanism 23 that are connected in its upper end. Centering clamp mechanism 22 is along the lateral arrangement of mobile platform 21, and four lifting regulating mechanism 23 positions are in the both sides of centering clamp mechanism 22. Mobile platform 21 can vertically move along end platform 1.
Centering clamp mechanism 22 comprises holder 221, line slideway 222, take-up housing 223, hydraulic motor 224 and trapezoidal screw 225, line slideway 222 has two, symmetry is connected in the two ends of holder 221, take-up housing 223 has two, symmetry is connected on line slideway 222, two contrary trapezoidal screws 225 of thread rotary orientation are connected to the two ends of hydraulic motor 224, and trapezoidal screw 225 is connected with the base plate of take-up housing 223 by nut seat respectively. Hydraulic motor 224 drives trapezoidal screw 225 to rotate, and trapezoidal screw 225 drives take-up housing 223 along its move toward one another by nut seat respectively.
Lifting regulating mechanism 23 comprises the adjustment sleeve pipe 231 through mobile platform 21 upper ends, the outer wall of adjusting sleeve pipe 231 is fixing with mobile platform 21 by casing seat 232, on the sidewall of adjustment sleeve pipe 231, there are some paired locating holes, the interior supporting alignment pin 233 that has of locating hole, on the sleeve pipe of casing seat 232, be useful on the respective aperture that alignment pin 233 passes, the upper end of adjusting sleeve pipe 231 is connected with adjusting nut 234, in the endoporus of adjusting nut 234, be connected with regulating shaft 235, sidewall is connected with handle 236, there is the external screw thread mating with adjusting nut 234 lower end of regulating shaft 235, upper end is connected with the terminal pad 237 with installing hole.
Chute is arranged at the bottom of mobile platform 21, is connected with the latch assembly 24 for be connected location with end platform 1 in chute.
Front end centering clamping device 2 adds positive and negative trapezoidal screw 225 by hydraulic motor 224 and drives two take-up housing 223 move toward one another by the front end both sides clamping and positioning of vehicle frame, is carried out the front end of support frame and is finely tuned balance simultaneously by quadruplet support adjustment mechanism 23.
As shown in Fig. 5 to Fig. 8, spring block positioner 3 comprises fixed platform 31, installing rack 32, line slideway 33 and the slide block 34, sliding seat 35 and the push-and-pull detent mechanism 36 that connect successively from the bottom up. Between fixed platform 31 and sliding seat 35, there is the stretching oil cylinder 37 that drives sliding seat 35 to move along line slideway 33, push-and-pull detent mechanism 36 comprises the centration axis assembly 361 being connected with spring block on crane frame, the bearing 362 of fixing centration axis assembly 361 and the adjusting screw component 363 that drives centration axis assembly 361 to move up and down, centration axis assembly 361 is arranged with line slideway 33 cocurrent and parallels.
Centration axis assembly 361 comprises axle core 3611, locating shaft 3612 and the centering collar 3613 of common longitudinal center line. Axle core 3611 is connected in the inner of locating shaft 3612, centering collar 3613 is connected in outside locating shaft 3612, stretch out outside centering collar 3613 the inner of locating shaft 3612, stretch out outside locating shaft 3612 outer end of centering collar 3613, the outer end of locating shaft 3612 has along its axial groove, is connected with push-and-pull assembly 3614 in groove.
3614 push-and-pull assemblies comprise the connecting rod 36141, handle 36142 and the backstay 36143 that connect successively outward from interior. The inner of connecting rod 36141 is connected in by rotational pin 36144 in the groove of locating shaft 3612 outer ends, and there is the notch axial along locating shaft 3612 outer end of connecting rod 36141. Handle 36142 comprises connecting rod 361421 and is positioned at cranking arm of the inner side of connecting rod 361421, backstay 36143 comprises cylinder and is connected in the screw rod of its outer end, the inner of cylinder has along its axial groove, the inner of connecting rod is connected in by alignment pin 36145 in the notch of connecting rod 36141 outer ends, and the outer end of connecting rod is connected in the groove of backstay 36143 the inners by swivel pin 36146.
The outer U-shaped support bar 3615 that is with of push-and-pull assembly 3614, the openend of support bar 3615 is connected by U-shaped groove with the outer end of centering collar 3613, its sidewall is parallel with screw rod, its base is connected with screw rod, on its sidewall, there is oval hole along its length, the two ends of swivel pin 36146 are stretched in oval hole, the positive stop 3616 that the offside that the corresponding handle 36142 in outside of two side is cranked arm has.
The side of cranking arm of the corresponding handle 36142 in centering collar 3613 outer ends has the notch corresponding with locating shaft 3612 outer end groove location. The outer wall of centering collar 3613 is connected with perpendicular centering flange 3618, and the outer surface of centering flange 3618 has indicator collet 3617 on longitudinally.
Cranking arm of layback fixed handle 36142 outward, drive the connecting rod 36141 being connected with locating shaft 3612 along the notch deflection on centering collar 3613 by the connecting rod of handle 36142, thereby, oppositely promote to crank arm axle core 3611 is advanced with the retreating of moving axis core 3611 by locating shaft 3612.
Bearing 362 comprises bedplate 3621 and is positioned at the riser 3622 of bedplate 3621 inner sides, longitudinal both sides of riser 3622 have base to be connected in the reinforcement gusset 3623 on bedplate 3621, the upper end of riser 3622 and reinforcement gusset 3623 is connected with panel 3624, the inner edge of panel 3624 stretches out outside riser 3622, the longitudinal center position of riser 3622 has and is greater than the move up and down hole of stroke of centration axis assembly 361, there is fixed head 3625 the short transverse outer surface both sides of riser 3622, there is pressing plate 3626 in the outside of fixed head 3625, both is equal in length, the width of pressing plate 3626 is greater than the width of fixed head 3625, both outer rims are concordant, pressing plate 3626 stretches out fixed head 3625 toward inner side, make to form between riser 3622 and pressing plate 3626 chute of indent, in chute, there is slide plate 3627. the centering collar 3613 of centration axis assembly 361 is vertical through the hole on riser 3622, and the outside of slide plate 3627 is connected with centering flange 3615 by bolt.
Regulate screw component 363 to comprise the adjusting screw mandrel 3631 being connected with slide plate 3627 upper ends, regulate the upper end of screw mandrel 3631 through the panel 3624 of bearing 362 upper ends, be connected with panel 3624 by the nut seat 3633 on it, regulate the upper end of screw mandrel 3631 to be connected with adjusting rod 3632. The lower end that regulates screw mandrel 3631 is lower large little T connector, and there is the mounting groove corresponding with T connector at the width centre position place of riser 3622 upper ends.
Installing rack 32 has two, is arranged symmetrically with about the longitudinal centre line of fixed platform 31, and line slideway 33 has two, and line slideway 33 arranges on every line slideway 33, there are two slide blocks 34 along the length direction center line of installing rack 32.
The cylinder body of stretching oil cylinder 37 is connected with fixed platform 31 by hold-down support, and its piston rod is connected with the base plate of sliding seat 35 by mount pad.
There is the upset positioning component 38 that makes crane frame sidewall location the inner of installing rack 32, and upset positioning component 38 comprises the support 381 being connected with installing rack 32 and is connected in turnover Z-type movable joint clamp 382 on support 381 by steady pin. There is the position stop screw 351 corresponding with Z-type movable joint clamp 382 the inner of sliding seat 35, makes sliding seat 5 spacing at diverse location by upset or the Z-type movable joint clamp 382 that do not overturn.
Spring block positioner paired symmetry in frock is installed and used, contour, concentric to ensure the spring block of vehicle frame both sides.
The specific works principle of spring block positioner is as follows: this mechanism is installed on the end platform of frock by fixed platform 31, the lower end of push-and-pull detent mechanism 36 is connected with the slide block 34 on line slideway 33 by sliding seat 35, drive push-and-pull detent mechanism 36 to slide along the line slideway 33 of fixed platform 31 upper ends by stretching oil cylinder 37, simultaneously centration axis assembly 361 can be elastic, so that this mechanism can adapt to the location of spring block on the vehicle frame of different in width. The adjusting screw component 363 that centration axis assembly 361 upsides connect drives centration axis assembly 361 to move up and down, so that this mechanism can adapt to the location of spring block on differing heights vehicle frame. By upper and lower, the vehicle frame spring block location that front and back position is adjustable realizes different in width and height of centration axis assembly 361, the adjustment of front and back position is controlled by stretching oil cylinder 37, upper the next adjustment is by regulating screw component 363 to control, the spring block that ensures vehicle frame both sides is contour, concentric, and accurate positioning is quick.
As shown in Figure 9, oil cylinder seat positioner 4 comprises bearing 41 and swing arm 42, and swing arm 42 is articulated with bearing 41 upper ends by bearing pin 43 and pipe 44. There is connecting hole Jun You one end, two ends of swing arm 42, wherein in the connecting hole of one end, is connected with oil cylinder seat alignment pin 45. The latch 46 that has swing arm of making 42 to locate on bearing 41. In swing arm 42, there are some hinge holes, to be applicable to the vehicle frame location of different size.
The structure of leading portion centering clamping device 5 is substantially with front end centering clamping device 2, its difference is that the lifting regulating mechanism of leading portion centering clamping device 5 only has two of homonymy, the mobile platform height of the aspect ratio front end centering clamping device 2 of mobile platform is low, and the outside of mobile platform is connected and fixed by drag chain 51 and end platform 1.
As shown in Figure 10 to Figure 12, supporting leg case positioning clamping device 6 comprises slip centering body 61, jacking clamp mechanism 62 and drive unit 63. Two cover jacking clamp mechanism 62 are arranged symmetrically with about the width of slip centering body 61, slip centering body 61 comprises platform floor 611, the upside of platform floor 611 be connected with along the horizontal line slideway 612 of its width and on slide block 613, the lower end of jacking clamp mechanism 62 is connected and can slides along horizontal line slideway 612 with this slide block 613, and drive unit 63 is connected between two jacking clamp mechanism 62 as they slide power is provided along horizontal line slideway 612.
Laterally line slideway 612 is fixed on platform floor 611 by installing rack 614, and there is the limited block 615 that makes horizontal line slideway 612 spacing at the two ends of installing rack 614. Installing rack 614 has two, the front and back end of the platform floor 611 that is placed in, and laterally line slideway 612 has four, the two ends of the installing rack 614 that is placed in, supporting on every horizontal line slideway 612 have two slide blocks 613.
Jacking clamp mechanism 62 comprises the base plate 623 of jacking clamping device 621, side-pressing device 622 and fixing stream oriented device. Side-pressing device 622 is positioned at the outside of jacking clamping device 621. Jacking clamping device 621 comprises fixed cover 6211, fairlead 6212, elevating ram 6213 and clamping cylinder 6214. The rectangular box that fixed cover 6211 is upper end open. Fairlead 6212 is arranged in the inner chamber of fixed cover 6211, for the rectangular box of the equal opening of upper and lower side, it is highly greater than the height of fixed cover 6211, there are line slideway 6215 and linear slider 6216 assemblies of vertical layout in the outside, two ends of its width, and the fixed head 6217 that the outside, width two ends of fixed cover 6211 is useful on fixing linear slider 6216 is connected as a whole by fixed cover 6211 with linear slider 6216. The upper end of fairlead 6212 is connected with cover plate 6218. The piston rod of elevating ram 6213 is connected with the downside of cover plate 6218, and its cylinder body is connected with the bottom of fixed cover 6211. Clamping cylinder 6214 is connected in one end of cover plate 6218 upsides by holder, clamping cylinder 6214 is positioned on the length direction median plane of cover plate 6218. The other end of cover plate 6218 upsides has upset locating piece assembly 6219, and upset locating piece assembly 6219 comprises the block seat 62191 and the hinged turnover thereon box locating piece 62192 that are fixed on cover plate 6218. Elevating ram 6213 drives fairlead 6212 and cover plate 6218 to slide along linear slider 6216 by line slideway 6215, to adjust the height of clamping cylinder 6214 and upset locating piece assembly 6219. Side-pressing device 622 comprises the supporting bracket fixing with base plate 623 6221 and is connected in the position block frame 6222 of its upper end, on this block frame, be fixed with along the thruster oil cylinder 6223 of clamping cylinder 6214 vertical direction, the tailpiece of the piston rod of thruster oil cylinder 6223 is towards clamping jacking apparatus 621, and its end is connected with thruster pressing plate 6224. The bottom of fixed cover 6211 and supporting bracket 6221 and base plate 623 are connected and fixed. The downside of base plate 623 is connected with at itself and the horizontal hog frame 6231 between the link position of line slideway 612.
Drive unit 63 comprises hydraulic motor 631, the two ends of hydraulic motor 631 connect left-handed screw mandrel 632 and dextrorotation screw mandrel 633 by shaft coupling respectively, on two screw mandrels, all there is trapezoidal nut 634, trapezoidal nut 634 is connected with the base plate 623 of corresponding side by holder 635, and hydraulic motor 631 is connected with platform floor 611 with bearing block by mount pad respectively with shaft coupling.
Parallel stretching oil cylinder 615 and the longitudinal line slideway 616 of being connected with of downside of platform floor 611, the arranged direction of stretching oil cylinder 615 and longitudinally line slideway 616 is perpendicular to the width of platform floor 611, stretching oil cylinder 615 is positioned on the width center line of platform floor 611, and longitudinally line slideway 616 is positioned at its both sides. The downside of platform floor 611 is also fixed with stay wire sensor support 617.
Supporting leg case positioning clamping device 6 has two covers, corresponds respectively to the supporting leg case position, front and back of vehicle frame.
The specific works process of supporting leg case positioning clamping device is as follows: stretching oil cylinder 615 and the line slideway auxiliary of platform floor 611 downsides drive this detent mechanism to longitudinally move to correct position, particular location is by stay wire sensor control, a left side that drives its two ends to connect by hydraulic motor 631, dextrorotation screw mandrel rotates, rotatablely moving of two screw mandrels is converted into the rectilinear motion of jacking clamp mechanism 621 along line slideway 612 on platform floor 611 by the trapezoidal nut 634 on it and holder thereof respectively, adjust the lateral attitude of supporting leg case, its longitudinal centre line is overlapped with the longitudinal centre line of vehicle frame, then adjust the lengthwise position of supporting leg case by clamping cylinder 6214 and upset locating piece 62192, short transverse is by controlling the synchronization lifting of both sides elevating ram 6213, adjustable height can be by stay wire sensor control, the bottom surface that ensures supporting leg case is parallel with the seat ring face of vehicle frame. laterally, longitudinally and after height and position adjusts, by side-pressing device 622, supporting leg case is accurately located.
The structure of back segment centering clamping device 7, with the centering clamp mechanism 22 of front end centering clamping device 2, adopts hydraulic motor to add positive and negative trapezoidal screw and drives, and clamps for the centering of vehicle frame, makes vehicle frame front and back section on same center line.
As shown in Figure 13, Figure 14, back segment movable locating device 8 comprises line slideway 81 and is connected in the sliding platform 83 on line slideway 81 by slide block 82, sliding platform 83 is driven along line slideway 81 and is slided by front push oil cylinder 84, one end of front push oil cylinder 84 is connected on sliding platform 83, and the other end is connected on the platform floor 611 of rear end supporting leg case positioning clamping device 6. The front end of sliding platform 83 has positioning seat 85. Line slideway 81 is fixed on end platform 1 by installing plate 88. The bottom side of sliding platform 83 is provided with stay wire sensor 86, has protective cover 87 outside stay wire sensor 86.
As shown in Figure 15, Figure 16, back segment elevation and subsidence regulating device 9 comprises gripper shoe 91, elevating ram 92, lever 93, holder 94 and lead 95. Elevating ram 92 is connected in the downside in gripper shoe 91 centre positions by adpting flange 96 and thread bush 97, lead 95 is connected in the downside two ends of gripper shoe 91, and its overcoat has composite bearing 98. Lever 93 is connected in the upside centre position place of gripper shoe 91 by holder 94.
As shown in Figure 1, Figure 2, Figure 3 shows, be also provided with vehicle frame bumping post 10 at the back segment of end platform 1. On end platform 1, the seat ring face place of corresponding vehicle frame is provided with reference platform 11, and the both sides of reference platform 11 are provided with the second spring block positioner 12 that two covers can laterally slide along end platform. The structure of the second spring block positioner 12 and spring block positioner 3 are basic identical, difference is: end platform 121 bottoms of the second spring block positioner 12 are connected on end platform 1 by horizontal slide rail 122 and mounting base, the upper end edge of the end platform 121 two cover push-and-pull detent mechanisms 36 that have laterally been arranged in parallel, and push-and-pull detent mechanism 36 is locked on end platform 121, platform 121 of the whole end is driven along slide rail 122 and is moved by push cylinder 123.
Promote gripper shoe 91 by elevating ram 92 and slide along lead 95, thereby make the baseplane of the lever 93 steady jacking vehicle frames of gripper shoe 91 upper ends, the seat ring face of vehicle frame is overlapped with reference platform 11.
Utilize this frock group as follows to the vehicle frame operating procedure of section before and after vehicle frame:
1) vehicle frame back segment is hung in to frock back segment, regulate height by back segment elevation and subsidence regulating device, ensure seat ring face and the reference platform laminating of vehicle frame;
2) will after pre-back segment centralising device centering, back out, back segment movable locating device is promoted to vehicle frame to institute's correspondence position, by the stay wire sensor control exact position on it;
3) by back segment centering body clamp mechanism, vehicle frame is clamped;
4) manually shift leading portion centering body onto corresponding vehicle relative position, the alignment pin of its lifting regulating mechanism is inserted in the pin-and-hole that needs the vehicle that group is right, hang in leading portion, after adjusting height, automatic centering clamps, and ensures to weld after front section of vehicle frame overlaps with vehicle frame back segment center line;
5) forward and backward fixed supporting leg case is hung on to vehicle frame, the knob of supporting leg case positioning clamping device is got to and will be organized right vehicle, control forward and backward supporting leg case positioning clamping device and automatically go to corresponding vehicle position, regulate height by back segment elevation and subsidence regulating device simultaneously, ensure that supporting leg case bottom surface is parallel with seat ring face and contour;
6) the automatic centering supporting leg case that is fixedly clamped;
7) positioning welding of spring block on vehicle frame, has two kinds of sizes, needs the flipping block of returning face plate spring block positioner correspondingly-sized, and short transverse is provided with scale, ensures that both sides may be adjusted to contour;
8) positioning welding of vehicle frame upper cylinder seat, will weld after the oil cylinder seat alignment pin stationary positioned in oil cylinder seat and the swing arm of oil cylinder seat positioner;
9) the first crossbeam positioning welding of vehicle frame, inserts the alignment pin of front end centering clamping device lifting regulating mechanism in the pin-and-hole that needs the vehicle that group is right, hangs in first crossbeam, welds after regulating height;
10) all positioners are return initial position, and the demoulding detects.
Claims (10)
1. a crane frame front and back section group is to frock, it is characterized in that: this frock comprises end platform, on it, be furnished with from front to back supporting leg case positioning clamping device, the back segment centering clamping device of front end centering clamping device, leading portion centering clamping device, front end, supporting leg case positioning clamping device and the rear end movable locating device of rear end, between front end centering clamping device and leading portion centering clamping device, be furnished with spring block positioner and oil cylinder seat positioner between two supporting leg case positioning clamping devices; Aforementioned each device is all along the lateral arrangement of end platform, and the longitudinal centre line of vehicle frame overlaps with the longitudinal centre line of each device and end platform.
2. before and after crane frame as claimed in claim 1, section group, to frock, is characterized in that: described front end centering clamping device comprises mobile platform and is connected in centering clamp mechanism and the lifting regulating mechanism of its upper end; Centering clamp mechanism is along the lateral arrangement of mobile platform, and four lifting regulating mechanism positions are in the both sides of centering clamp mechanism, and chute is arranged at the bottom of mobile platform, is connected with the latch assembly for be connected location with platform of the described end in chute;
Centering clamp mechanism comprises holder, line slideway, take-up housing, hydraulic motor and trapezoidal screw, line slideway has two, symmetry is connected in the two ends of holder, take-up housing has two, symmetry is connected on line slideway, two contrary trapezoidal screws of thread rotary orientation are connected to the two ends of hydraulic motor, and trapezoidal screw is connected with the base plate of take-up housing by nut seat respectively; The rotation of fluid motor-driven trapezoidal screw, trapezoidal screw drives take-up housing along its move toward one another by nut seat respectively;
Lifting regulating mechanism comprises the adjustment sleeve pipe through mobile platform upper end, adjusting the outer wall of sleeve pipe fixes by casing seat and mobile platform, on the sidewall of adjustment sleeve pipe, there are some paired locating holes, the interior supporting alignment pin that has of locating hole, on the sleeve pipe of casing seat, be useful on the respective aperture that alignment pin passes, the upper end of adjusting sleeve pipe is connected with adjusting nut, in the endoporus of adjusting nut, be connected with regulating shaft, sidewall is connected with handle, there is the external screw thread mating with adjusting nut the lower end of regulating shaft, and upper end is connected with the terminal pad with installing hole.
3. crane frame as claimed in claim 1 front and back section group is to frock, it is characterized in that: described spring block positioner, comprise the fixed platform connecting successively from the bottom up, installing rack, line slideway and slide block, sliding seat and push-and-pull detent mechanism, between fixed platform and sliding seat, there is the stretching oil cylinder that drives sliding seat to move along line slideway, push-and-pull detent mechanism comprises the centration axis assembly being connected with spring block on crane frame and is connected in the adjusting screw component of centration axis assembly upside, centration axis assembly and line slideway cocurrent and parallel are arranged, regulate screw component for regulating the height and position of centration axis assembly.
4. crane frame as claimed in claim 3 front and back section group is to frock, it is characterized in that: described centration axis assembly comprises axle core, locating shaft and the centering collar of common longitudinal center line, axle core is positioned at the inner of locating shaft, centering collar is positioned at outside locating shaft, stretch out outside centering collar the inner of locating shaft, stretch out outside locating shaft the outer end of centering collar, and the outer end of locating shaft has along its axial groove, is connected with push-and-pull assembly in groove;
Push-and-pull assembly comprises the connecting rod, handle and the backstay that connect successively outward from interior, the inner of connecting rod is connected in by rotational pin in the groove of described locating shaft outer end, there is the notch axial along described locating shaft the outer end of connecting rod, handle comprises connecting rod and is positioned at cranking arm of the inner side of connecting rod, backstay comprises cylinder and is connected in the screw rod of its outer end, the inner of cylinder has along its axial groove, the inner of handle connecting rod is connected in by alignment pin in the notch of connecting rod outer end, and the outer end of connecting rod is connected in by swivel pin in the groove of backstay the inner;
Push-and-pull assembly outer is with U-shaped support bar, the openend of support bar is connected with the outer end of described centering collar, its sidewall is parallel with described screw rod, its base is connected with described screw rod, on its sidewall, there is oval hole along its length, the two ends of described swivel pin are stretched in oval hole, the offside limited location block that the corresponding described handle in outside of two side is cranked arm;
The side of cranking arm of the corresponding handle in centering collar outer end has notch, the outer wall corresponding with locating shaft outer end groove location to be connected with perpendicular centering flange, outer surface and has indicator collet on longitudinally;
Push-and-pull detent mechanism also comprises the bearing of fixing described centration axis assembly, bearing comprises bedplate and is positioned at the riser of bedplate inner side, longitudinal both sides of riser have base to be connected in the reinforcement gusset on bedplate, the upper end of riser and reinforcement gusset is connected with panel, the inner edge of panel stretches out outside riser, the longitudinal center position of riser has and is greater than the move up and down hole of stroke of described centration axis assembly, there is fixed head the short transverse outer surface both sides of riser, there is pressing plate in the outside of fixed head, both is equal in length, the width of pressing plate is greater than the width of fixed head, both outer rims are concordant, pressing plate stretches out fixed head toward inner side, make riserWithBetween pressing plate, form the chute of indent, in chute, have slide plate; The centering collar of described centration axis assembly is vertically through the hole on riser, and the outside of slide plate is connected with described centering flange by bolt;
Regulate screw component to comprise the adjusting screw mandrel being connected with slide plate upper end, regulate the upper end of screw mandrel through the panel of bearing, be connected with panel by the nut seat on it, regulate the upper end of screw mandrel to be connected with adjusting rod;
The lower end that regulates screw mandrel is lower large little T connector, and there is the mounting groove corresponding with described T connector at the width centre position place of described riser upper end;
Installing rack has two, is arranged symmetrically with about the longitudinal centre line of fixed platform, and described line slideway has two, and line slideway arranges on every line slideway, there are two slide blocks along the length direction center line of installing rack; Piston rod is connected with the base plate of described sliding seat by mount pad; There is upset positioning component the inner of installing rack, and upset positioning component comprises the support being connected with installing rack and is connected in turnover Z-type movable joint clamp on support by steady pin; There is the position stop screw corresponding with Z-type movable joint clamp the inner of described sliding seat.
5. before and after crane frame as claimed in claim 1, section group, to frock, is characterized in that: described oil cylinder seat positioner comprises bearing and swing arm, and swing arm is articulated with the upper end of bearing by bearing pin and pipe; There is connecting hole Jun You one end, two ends of swing arm, wherein in the connecting hole of one end, is connected with oil cylinder seat alignment pin; On bearing, there is the latch of the swing arm of making location; In swing arm, there are some hinge holes.
6. crane frame as claimed in claim 1 front and back section group is to frock, it is characterized in that: described supporting leg case positioning clamping device comprises slip centering body, jacking clamp mechanism and drive unit, two cover jacking clamp mechanism are arranged symmetrically with about the width of slip centering body, slip centering body comprises platform floor, the upside of platform floor be connected with along the horizontal line slideway of its width and on slide block, the lower end of jacking clamp mechanism is connected with this slide block and can slides along horizontal line slideway, drive unit is connected between two jacking clamp mechanism as they slide power is provided along horizontal line slideway.
7. crane frame as claimed in claim 6 front and back section group is to frock, it is characterized in that: described jacking clamp mechanism comprises jacking clamp assembly, side pressure assembly and fixes the base plate of two assemblies, side pressure assembly is positioned at the outside of jacking clamp assembly, and base plate is fixedly connected with the slide block on described horizontal line slideway;
Jacking clamp assembly comprises fixed cover, fairlead, elevating ram, clamping cylinder and upset locating piece assembly; Fixed cover is the rectangular box of upper end open, fairlead is arranged in the inner chamber of fixed cover, for the rectangular box of the equal opening of upper and lower side, it is highly greater than the height of fixed cover, there is line slideway and the linear slider assembly of vertical layout in the outside, two ends of its width, and the outside, width two ends of fixed cover is useful on fixingStraight lineThe fixed head of slide block is connected as a whole by fixed cover with linear slider; The upper end of fairlead is connected with cover plate, the length and width size of cover plate and fixed cover coupling; The piston rod of elevating ram is connected with the downside of cover plate, and its cylinder body is connected with the bottom of fixed cover; Clamping cylinder is connected in one end of cover plate upside by holder, clamping cylinder is positioned on the length direction median plane of cover plate; Upset locating piece assembly comprises block seat and hinged turnover thereon box locating piece, and block seat is fixed on the other end of cover plate upside; The bottom of fixed cover and described base plate are connected and fixed, and on the length direction sidewall of fixed cover and fairlead, have handle hole, and the handle hole on fixed cover has cover plate outward;
Side pressure assembly comprises the supporting bracket fixing with described base plate and is connected in the position block frame of supporting bracket upper end, on this position block frame, be fixed with the thruster oil cylinder along described clamping cylinder vertical direction, the tailpiece of the piston rod of thruster oil cylinder is towards described jacking clamp assembly, and its end is connected with thruster pressing plate;
Laterally line slideway is fixed on described platform floor by installing rack, the two ends of installing rack have makes the spacing limited block of described horizontal line slideway, installing rack has two, the front and back end of described platform floor is placed in, described horizontal line slideway has four, the be placed in two ends of installing rack, supporting on every horizontal line slideway have two described slide blocks;
The downside of base plate is connected with at itself and the horizontal hog frame between the link position of line slideway;
Drive unit comprises hydraulic motor, the two ends of hydraulic motor connect left-handed, dextrorotation screw mandrel by shaft coupling respectively, on two screw mandrels, all there is trapezoidal nut, trapezoidal nut is connected with the base plate of described corresponding side by holder, and hydraulic motor is connected with described platform floor with bearing block by mount pad respectively with shaft coupling;
The downside of platform floor is connected with stretching oil cylinder and longitudinal line slideway, stretching oil cylinder is connected with platform floor by holder, longitudinally line slideway is connected with platform floor by the linear slider supporting with it, stretching oil cylinder is positioned on the width center line of platform floor, and line slideway is positioned at its both sides; The downside of platform floor is also fixed with stay wire sensor support.
8. before and after crane frame as claimed in claim 1, section group, to frock, is characterized in that: bilateral symmetry is furnished with vehicle frame bumping post to the back segment on platform of the described end along its length, there is reference platform corresponding vehicle frame back segment seat ring face position.
9. before and after crane frame as claimed in claim 8, section group, to frock, is characterized in that: this frock also comprises back segment elevation and subsidence regulating device, and back segment elevation and subsidence regulating device comprises gripper shoe, elevating ram, lever, holder and lead assembly; Elevating ram is connected in the downside in gripper shoe centre position by adpting flange and thread bush, lead assembly and elevating ram are connected in the downside two ends of gripper shoe; Lever is connected in the upside centre position place of gripper shoe by holder; Move and coordinate the guiding of lead assembly to make the baseplane of the steady jacking vehicle frame of lever by elevating ram, the seat ring face of vehicle frame is overlapped with described reference platform.
10. crane frame as claimed in claim 6 front and back section group is to frock, it is characterized in that: described rear end movable locating device comprises line slideway and is connected in the sliding platform on line slideway by slide block, sliding platform is driven and is slided along line slideway by front push oil cylinder, one end of front push oil cylinder is connected on sliding platform, and the other end is connected on the platform floor of supporting leg case positioning clamping device of rear end; The front end of sliding platform has positioning seat; Line slideway is fixed on end platform by installing plate; The bottom side of sliding platform is provided with stay wire sensor, and stay wire sensor has protective cover outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410787032.0A CN104493408B (en) | 2014-12-17 | 2014-12-17 | Before and after crane frame, section group is to frock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410787032.0A CN104493408B (en) | 2014-12-17 | 2014-12-17 | Before and after crane frame, section group is to frock |
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| CN104493408B true CN104493408B (en) | 2016-05-18 |
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Effective date of registration: 20170915 Address after: 426100 No. 10 Lighthouse Road, Qiyang Economic Development Zone, Hunan, Yongzhou Patentee after: Hunan leader Intelligent Equipment Technology Co., Ltd. Address before: 410205 Hunan province Changsha hi tech Development Zone, Lu Lu Tin Road No. 11, valley Research Building 6 floor Patentee before: Hunan Tongyuan Electrical Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20181217 |