CN104057232A - Clamping device for rear cross beam of rear subframe - Google Patents
Clamping device for rear cross beam of rear subframe Download PDFInfo
- Publication number
- CN104057232A CN104057232A CN201410298156.2A CN201410298156A CN104057232A CN 104057232 A CN104057232 A CN 104057232A CN 201410298156 A CN201410298156 A CN 201410298156A CN 104057232 A CN104057232 A CN 104057232A
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- China
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- cylinder
- slide unit
- clamping
- connecting rod
- cross beam
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Classifications
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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
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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
Abstract
A clamping device for a rear cross beam of a rear subframe is composed of a sliding table mechanism, an inversion mechanism and a clamping mechanism, wherein the sliding table mechanism is provided with a sliding table positioning cylinder and a sliding table cylinder; a sliding table is driven by the sliding table cylinder to do linear motion to reach a working position or leave the working position; the sliding table positioning cylinder is used for fixing the sliding table on the working position; the inversion mechanism is positioned on the sliding table and is provided with an inversion cylinder; the inversion cylinder drives a clamping mechanism mounting plate to swing through an inversion connection plate, so that the clamping mechanism mounting plate and the clamping mechanism fixed with the clamping mechanism mounting plate are inversed to the rear cross beam of the rear subframe or inversed in an opposite direction to leave the rear cross beam of the rear subframe; the clamping mechanism is provided with a clamping cylinder; the clamping cylinder drives a clamping connecting rod assembly to move to clamp or loosen a workpiece. The clamping device for the rear cross beam of the rear subframe is compact in structure, the space layout is reduced, the influence of welding deformation can effectively resisted, the stability of welding quality is guaranteed, all weld joints can be exposed after the positioning and clamping of a tool, and one hundred percent accessibility of automatic welding by a robot can be realized.
Description
Technical field
The present invention relates to a kind of mechanical gripping means, especially for the clamping device of automobile rear sub-frame rear cross beam welding.
Background technology
Rear secondary frame for vehicle rear cross beam is automobile rear sub-frame framework important component part, is also the critical positions that swing arm is installed simultaneously, in process, except needs are controlled weld size and welding quality, also needs to control swing arm installation dimension.Existing Rear secondary frame for vehicle rear cross beam welding device clamps the inner and outer plates of Rear secondary frame for vehicle rear cross beam by cylinder and line slideway, device does not possess positioning function, and uncontrollable welding deformation, causes weld size unstable; Mechanism is huge is unfavorable for welding posture optimization; Because being designs for artificial welding, part weld seam, because tool structure design defect can not once complete, need to complete by repair welding, and this welding tooling and welding manner all can not meet the requirement of high efficiency production.At present, with the development of Trend of Auto Manufacturing Technologies, important automobile component all adopts robot welding, welding streamline is realized automation, stop repair welding, this just requires welding tooling must meet accessibility and the measuring ability of robot welding gun, and welding tooling will be avoided welding deformation simultaneously, ensures stability and the productive temp requirement of weld size.
Summary of the invention
The object of the invention is to the drawback for prior art, a kind of Rear secondary frame for vehicle rear cross beam clamping device of locating reliable clamping, arrangement space compactness, can meet robot welding requirement is provided.
Problem of the present invention is realized by following technical scheme:
A kind of Rear secondary frame for vehicle rear cross beam clamping device, described clamping device uses symmetrical installation in pairs, Rear secondary frame for vehicle rear cross beam both sides are clamped, described clamping device is made up of slipway mechanism, indexing mechanism and clamp mechanism, described slipway mechanism is provided with slide unit installing plate, on slide unit installing plate, fix slide unit positioning cylinder, slide unit cylinder, slide unit is done rectilinear motion to operating position or is left operating position by horizontally disposed slide unit air cylinder driven, and slide unit is fixed on operating position by the slide unit positioning cylinder vertically arranging; Described indexing mechanism is positioned on slide unit, indexing mechanism is provided with transposition cylinder, transposition cylinder drives clamp mechanism installing plate to swing through transposition connecting plate, makes clamp mechanism installing plate insert to Rear secondary frame for vehicle rear cross beam place together with the clamp mechanism fixing with it or Rear secondary frame for vehicle rear cross beam is left in reverse indexing; Described clamp mechanism is provided with clamping cylinder, and clamping cylinder drives and clamps link assembly action, clamps that link assembly drives left pressure arm, right pressure arm is by Workpiece clamping or unclamps.
Above-mentioned Rear secondary frame for vehicle rear cross beam clamping device, described clamping cylinder and clamping cylinder mount pad are fixed, clamping cylinder mount pad is bolted on clamp mechanism installing plate, the affixed support upper plate be arrangeding in parallel of described clamping cylinder mount pad and support lower plate, described clamping link assembly is supporting upper plate and is supporting between lower plate, support upper plate and support the lower affixed clamping supporting seat of front edge of board, clamping supporting seat both sides are provided with and fix to clamp piece, described clamping link assembly comprises intermediate connecting rod and symmetrically arranged left connecting rod, right connecting rod and symmetrically arranged left pitman arm, right connecting rod arm, clamping cylinder bar connects guiding joint through cylinder rod joint, guiding joint connects intermediate connecting rod through connecting pin, intermediate connecting rod two ends are hinged left connecting rod respectively, one end of right connecting rod, left connecting rod, the other end of right connecting rod respectively with left pitman arm, the medial extremity of right connecting rod arm is hinged, left pitman arm, the middle part of right connecting rod arm and support upper plate, support the left pitman arm of the hinged formation of lower plate, the center of rotation of right connecting rod arm, left pitman arm, the outboard end of right connecting rod arm is affixed left pressure arm respectively, right pressure arm.
Above-mentioned Rear secondary frame for vehicle rear cross beam clamping device, is fixed with guide rail on described slide unit installing plate, the affixed slide block of described slide unit, and slide block and guide rail are slidably matched, and slide unit cylinder rod is through slide unit cylinder rod joint and the affixed slide unit of slide unit joint angle seat; The affixed locating piece in described slide unit bottom, locating piece is provided with locating hole, the affixed alignment pin of slide unit positioning cylinder boom end, alignment pin, locating piece coupling plug together, and realize slide unit location.
Above-mentioned Rear secondary frame for vehicle rear cross beam clamping device, described indexing mechanism is also provided with indexing mechanism mount pad, indexing mechanism mount pad and slide unit are fixed, mounting bracket on indexing mechanism mount pad, transposition cylinder and mounting bracket are hinged, transposition cylinder rod and transposition connecting plate avris middle part are hinged, and transposition connecting plate bottom and mounting bracket are hinged, the center of rotation of formation transposition connecting plate, and clamp mechanism installing plate is fixed on transposition connecting plate top; Be provided with bracing frame in mounting bracket front portion, fix limited support piece on bracing frame, limited support piece is provided with stopper slot, the groove width matched in clearance of the thickness of slab of transposition connecting plate and stopper slot; On bracing frame, be also provided with proximity transducer, transposition connecting plate depressing position triggers proximity transducer.
Above-mentioned Rear secondary frame for vehicle rear cross beam clamping device, one end of described cylinder rod joint is threaded with clamping cylinder bar, and the cylinder rod joint other end is sphere, and cylinder rod joint is provided with draw-in groove, described guiding joint front portion is provided with Ka Tai, rear portion is provided with guide post, and Ka Tai engages mutually with draw-in groove; Between described support upper plate and support lower plate, be provided with support column, support column middle part is provided with guide groove, is provided with sliding sleeve in guide groove, and the guide post of described guiding joint passes sliding sleeve, is slidably matched with sliding sleeve.
Above-mentioned Rear secondary frame for vehicle rear cross beam clamping device, air inlet, the exit of described slide unit cylinder are provided with flow speed control valve.
The present invention is the technological requirement that is suitable for welding post, from multifactor considerations such as welding posture, welding gun accessibility, weld size stability, require to determine rational Rear secondary frame for vehicle rear cross beam location clamping scheme for Rear secondary frame for vehicle rear beam structure feature and robot welding, adopt multiple cylinder moving combinations to realize along the location of Rear secondary frame for vehicle rear cross beam length direction and clamp.Location by positioning cylinder is locked under in working order can effectively prevent that slide unit from laterally sliding due to sweating heat stress deformation in welding process for slipway mechanism of the present invention, ensure slide unit welding position precision, resist the impact of welding deformation, ensured the stability of welding quality.Compact conformation of the present invention, reduced space layout, tool locating can be all exposed by weld seam after clamping, and meets robot automation and weld 100% accessibility.
Brief description of the drawings
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of slipway mechanism;
Fig. 3 is that the K of Fig. 2 is to view;
Fig. 4 is Fig. 3 B-B cutaway view;
Fig. 5 is the structural representation of indexing mechanism;
Fig. 6 is the front view of indexing mechanism;
Fig. 7 is the structural representation of clamp mechanism;
Fig. 8 is that clamp mechanism is removed the schematic diagram that supports upper plate, supports lower plate;
Fig. 9 is that clamp mechanism is removed the top view that supports upper plate, supports lower plate clamped condition;
Figure 10 is that clamp mechanism is removed the top view that supports upper plate, supports lower plate releasing orientation;
Figure 11 is the A-A cutaway view of Fig. 9;
Figure 12 is that the present invention uses view.
In figure, each list of reference numerals is: 1, slipway mechanism, 1-1, slide unit installing plate, 1-2, guide rail limited block, 1-3, guide rail, 1-4, protective plate, 1-5, slide unit, 1-6, limited block, 1-7, slide unit cylinder, 1-8, flow speed control valve, 1-9, slide unit positioning cylinder, 1-10, locating piece, 1-11, alignment pin, 1-12, slide unit joint angle seat, 1-13, slide unit cylinder rod joint, 2, indexing mechanism, 2-1, transposition cylinder, 2-2, transposition connecting plate, 2-3, indexing mechanism mount pad, 2-4, mounting bracket, 2-5, bracing frame, 2-6, proximity transducer, 2-7, limited support piece, 2-8, clamp mechanism installing plate, 3, clamp mechanism, 3-1, clamping cylinder, 3-2, clamping cylinder mount pad, 3-3, support upper plate, 3-4, support lower plate, 3-5, clamp supporting seat, 3-6, fix to clamp piece, 3-7, left pressure arm, 3-8, right pressure arm, 3-9, cylinder rod joint, 3-10, guiding joint, 3-11, connecting pin, 3-12, intermediate connecting rod, 3-13, left connecting rod 3-14, right connecting rod 3-15, left connecting rod pressure arm, 3-16, right connecting rod pressure arm, 3-17, sliding sleeve, 3-18, support column, 4, base, 5, Rear secondary frame for vehicle.
Detailed description of the invention
Referring to Fig. 1, clamping device of the present invention is made up of slipway mechanism 1, indexing mechanism 2 and clamp mechanism 3.Slipway mechanism 1 is the fundamental mechanism of device, and slipway mechanism drives indexing mechanism and clamp mechanism to do rectilinear motion, near being positioned at Rear secondary frame for vehicle rear cross beam workpiece on base or away from this workpiece.The inner and outer plates place of indexing mechanism 2 for driving clamp mechanism to swing in or showing Rear secondary frame for vehicle rear cross beam.Clamp mechanism is for clamping the inner and outer plates of Rear secondary frame for vehicle rear cross beam workpiece or unclamp.
Referring to Fig. 2, Fig. 3, Fig. 4, slipway mechanism comprises slide unit installing plate 1-1 and slide unit 1-5, and slide unit installing plate is fixed slide unit cylinder 1-7.Horizontally disposed slide unit cylinder 1-7 is the force piece of slide unit motion, the affixed slide unit cylinder rod of slide unit cylinder rod joint 1-13, the affixed slide unit joint angle of slide unit cylinder rod joint 1-13 seat 1-12, the affixed slide unit 1-5 of slide unit joint angle seat 1-12.The upper fixed guide 1-3 of slide unit installing plate 1-1, the affixed slide block (not shown) in slide unit bottom, slide block and guide rail are slidably matched.Guide rail two ends are provided with guide rail limited block 1-2, to limit the position of guide rail.Slide unit both sides are provided with the protective plate 1-4 covering on guide rail.On slide unit installing plate, be provided with the limited block 1-6 spacing to slide unit operating position.Reliably fixing in operating position for ensureing slide unit, avoid workpiece under weld force effect, to produce distortion, slipway mechanism is provided with slide unit positioning cylinder 1-9, and slide unit positioning cylinder 1-9 is vertically fixed on slide unit installing plate 1-1 place, the affixed locating piece 1-10 in slide unit bottom, locating piece is provided with locating hole, the affixed alignment pin 1-11 of slide unit positioning cylinder boom end, in the time that slide unit is moved into operating position, slide unit positioning cylinder bar drives alignment pin action, alignment pin, locating piece coupling plug together, and realize the location of slide unit.Air inlet, the exit of slide unit cylinder 1-7 are provided with flow speed control valve 1-8, and flow speed control valve is for regulating the movement velocity of slide unit cylinder.
Referring to Fig. 5, Fig. 6, described indexing mechanism comprises transposition cylinder 2-1, indexing mechanism mount pad 2-3, transposition connecting plate 2-2, mounting bracket 2-4.Indexing mechanism mount pad and slide unit are fixed, mounting bracket on indexing mechanism mount pad, transposition cylinder 2-1 and mounting bracket 2-4 are hinged, the avris middle part of transposition cylinder rod and transposition connecting plate 2-2 is hinged, transposition connecting plate 2-2 bottom and mounting bracket 2-4 are hinged, the center of rotation of formation transposition connecting plate, are fixed for installing the clamp mechanism installing plate 2-8 of clamp mechanism on transposition connecting plate.Be provided with bracing frame 2-5 in the front portion of mounting bracket, fix limited support piece 2-7 on bracing frame, limited support piece is provided with stopper slot.When transposition connecting plate inserts to operating position, transposition connecting plate front end enters in stopper slot, and the groove width matched in clearance of the thickness of slab of transposition connecting plate and stopper slot, to ensure the uniformity of transposition.On bracing frame, be also provided with proximity transducer 2-6, when transposition connecting plate triggers proximity transducer during in depressing position, proximity transducer sends signal to robot.
Referring to Fig. 7, to Figure 10, described clamp mechanism comprises clamping cylinder 3-1, clamping cylinder mount pad 3-2 and clamps link assembly.The affixed clamping cylinder mount pad of clamping cylinder, clamping cylinder mount pad is bolted on clamp mechanism installing plate 2-8, the affixed support upper plate 3-3 be arrangeding in parallel of clamping cylinder mount pad and support lower plate 3-4, clamp link assembly and supporting upper plate and supporting between lower plate.Supporting the affixed clamping supporting seat of front edge of board 3-5 under upper plate and support, clamping supporting seat both sides are provided with and fix to clamp piece 3-6.Clamp link assembly and comprise intermediate connecting rod 3-12 and symmetrically arranged left connecting rod 3-13, right connecting rod 3-14 and symmetrically arranged left pitman arm 3-15, right connecting rod arm 3-16.Clamping cylinder bar connects guiding joint 3-10 through cylinder rod joint 3-9, guiding joint connects intermediate connecting rod through connecting pin 3-11, intermediate connecting rod two ends are hinged left connecting rod respectively, one end of right connecting rod, left connecting rod, the other end of right connecting rod respectively with left pitman arm, the medial extremity of right connecting rod arm is hinged, left pitman arm, the middle part of right connecting rod arm and support upper plate, support the left pitman arm of the hinged formation of lower plate, the center of rotation of right connecting rod arm, left pitman arm, the outboard end of right connecting rod arm is affixed left pressure arm 3-7 respectively, right pressure arm 3-8, left pressure arm when clamp mechanism clamps, right pressure arm respectively with fix to clamp the involutory inner and outer plates by Rear secondary frame for vehicle rear cross beam of piece 3-6 and clamp.
From Fig. 9, Figure 11, one end of cylinder rod joint 3-9 is threaded with clamping cylinder bar, and the cylinder rod joint other end is sphere, and spherical structure can compensate stressed bias in fortune merits and demerits journey.Cylinder rod joint is provided with draw-in groove, and guiding joint 3-10 front portion is provided with Ka Tai, rear portion is provided with guide post, and Ka Tai engages mutually with draw-in groove, makes cylinder rod joint can drive guiding joint bidirectional-movement.For the stationarity of guarantee motion, support upper plate 3-3 and support between lower plate 3-4 being provided with support column 3-18, support column middle part is provided with guide groove, is provided with sliding sleeve 3-17 in guide groove, and the guide post of described guiding joint passes sliding sleeve, is slidably matched with sliding sleeve.
Referring to Figure 12, device of the present invention uses in pairs, symmetrical installation, and slide unit installing plate and base 4 are fixing, and the rear cross beam that is seated in the Rear secondary frame for vehicle 5 on base 4 is clamped from both sides by described device.
The course of work of the present invention is as follows:
Manually Rear secondary frame for vehicle rear cross beam workpiece to be welded is placed on base; The slide unit cylinder action of slipway mechanism drives slide unit to the motion of workpiece direction, moves to behind limited block position, and positioning cylinder drives alignment pin to insert locating piece, and slide unit is locked; Transposition cylinder rod stretches out, and transposition connecting plate turns clockwise, and clamp mechanism is swung in to the inner and outer plates place of Rear secondary frame for vehicle rear cross beam, until transposition connecting plate and the laminating of limited support piece; Clamping cylinder bar stretches out, promote guiding joint along sliding sleeve to front slide until fit with support column, guiding joint drives intermediate connecting rod to travel forward simultaneously, intermediate connecting rod travels forward and drives left connecting rod, right connecting rod to rotate to direction in opposite directions in process, left connecting rod, right connecting rod drive left connecting rod pressure arm, right connecting rod to rotate to direction in opposite directions, realize the clamping of workpiece.
Robot starts welding after the signal that clamping cylinder and proximity transducer put in place being detected.
Having welded rear clamping cylinder bar shrinks, pull guiding joint to move backward along sliding sleeve, guiding joint drives intermediate connecting rod to move backward, intermediate connecting rod drives left connecting rod, right connecting rod to rotate backward in motion process backward, and left connecting rod, right connecting rod drive left connecting rod pressure arm, right connecting rod pressure arm to rotate backward workpiece is unclamped; Transposition cylinder rod shrinks, and transposition connecting plate is rotated counterclockwise, and clamp mechanism is shown to the inner and outer plates of Rear secondary frame for vehicle rear cross beam; Positioning cylinder bar shrinks, and alignment pin departs from locating piece, and slide unit cylinder rod stretches out, and drives slide unit to leave workpiece, manually takes workpiece away.
Claims (6)
1. a Rear secondary frame for vehicle rear cross beam clamping device, it is characterized in that: described clamping device uses symmetrical installation in pairs, Rear secondary frame for vehicle rear cross beam both sides are clamped, described clamping device is by slipway mechanism (1), indexing mechanism (2) and clamp mechanism (3) composition, described slipway mechanism is provided with slide unit installing plate (1-1), on slide unit installing plate, fix slide unit positioning cylinder (1-9), slide unit cylinder (1-7), slide unit (1-5) is done rectilinear motion to operating position or is left operating position by horizontally disposed slide unit air cylinder driven, slide unit is fixed on operating position by the slide unit positioning cylinder vertically arranging, described indexing mechanism (2) is positioned on slide unit, indexing mechanism is provided with transposition cylinder (2-1), transposition cylinder drives clamp mechanism installing plate (2-8) to swing through transposition connecting plate (2-2), makes clamp mechanism installing plate insert to Rear secondary frame for vehicle rear cross beam place together with the clamp mechanism fixing with it or Rear secondary frame for vehicle rear cross beam is left in reverse indexing, described clamp mechanism is provided with clamping cylinder (3-1), and clamping cylinder drives and clamps link assembly action, clamps that link assembly drives left pressure arm (3-7), right pressure arm (3-8) is by Workpiece clamping or unclamps.
2. Rear secondary frame for vehicle rear cross beam clamping device according to claim 1, it is characterized in that, described clamping cylinder (3-1) is fixing with clamping cylinder mount pad (3-2), clamping cylinder mount pad is bolted on clamp mechanism installing plate (2-8), the affixed support upper plate (3-3) be arrangeding in parallel of described clamping cylinder mount pad and support lower plate (3-4), described clamping link assembly is supporting upper plate and is supporting between lower plate, support upper plate and support the lower affixed clamping supporting seat of front edge of board (3-5), clamping supporting seat both sides are provided with and fix to clamp piece (3-6), described clamping link assembly comprises intermediate connecting rod (3-12) and symmetrically arranged left connecting rod (3-13), right connecting rod (3-14) and symmetrically arranged left pitman arm (3-15), right connecting rod arm (3-16), clamping cylinder bar connects guiding joint (3-10) through cylinder rod joint (3-9), guiding joint connects intermediate connecting rod through connecting pin (3-11), intermediate connecting rod two ends are hinged left connecting rod respectively, one end of right connecting rod, left connecting rod, the other end of right connecting rod respectively with left pitman arm, the medial extremity of right connecting rod arm is hinged, left pitman arm, the middle part of right connecting rod arm and support upper plate, support the left pitman arm of the hinged formation of lower plate, the center of rotation of right connecting rod arm, left pitman arm, the outboard end of right connecting rod arm is affixed left pressure arm (3-7) respectively, right pressure arm (3-8).
3. Rear secondary frame for vehicle rear cross beam clamping device according to claim 2, it is characterized in that, the upper fixing guide rail (1-3) again of described slide unit installing plate (1-1), the affixed slide block of described slide unit (1-5), slide block and guide rail are slidably matched, and slide unit cylinder rod is through slide unit cylinder rod joint (1-13) and the affixed slide unit of slide unit joint angle seat (12); The affixed locating piece in described slide unit bottom (1-10), locating piece is provided with locating hole, the affixed alignment pin of slide unit positioning cylinder boom end (1-11), alignment pin, locating piece coupling plug together, and realize slide unit location.
4. Rear secondary frame for vehicle rear cross beam clamping device according to claim 3, it is characterized in that, described indexing mechanism is also provided with indexing mechanism mount pad (2-3), indexing mechanism mount pad and slide unit are fixed, mounting bracket on indexing mechanism mount pad (2-4), transposition cylinder (2-1) is hinged with mounting bracket, transposition cylinder rod and transposition connecting plate (2-2) avris middle part are hinged, transposition connecting plate bottom and mounting bracket are hinged, the center of rotation of formation transposition connecting plate, and clamp mechanism installing plate (2-8) is fixed on transposition connecting plate top; Be provided with bracing frame (2-5) in mounting bracket front portion, fix limited support piece (2-7) on bracing frame, limited support piece is provided with stopper slot, the groove width matched in clearance of the thickness of slab of transposition connecting plate and stopper slot; On bracing frame, be also provided with proximity transducer (2-6), transposition connecting plate depressing position triggers proximity transducer.
5. Rear secondary frame for vehicle rear cross beam clamping device according to claim 4, it is characterized in that, described cylinder rod joint (3-9) one end is threaded with clamping cylinder bar, the cylinder rod joint other end is sphere, cylinder rod joint is provided with draw-in groove, described guiding joint (3-10) front portion is provided with Ka Tai, rear portion is provided with guide post, and Ka Tai engages mutually with draw-in groove; Between described support upper plate (3-3) and support lower plate (3-4), be provided with support column (3-18), support column middle part is provided with guide groove, is provided with sliding sleeve (3-17) in guide groove, and the guide post of described guiding joint passes sliding sleeve, is slidably matched with sliding sleeve.
6. Rear secondary frame for vehicle rear cross beam clamping device according to claim 5, is characterized in that, air inlet, the exit of described slide unit cylinder (1-7) is provided with flow speed control valve (1-8).
Priority Applications (1)
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CN201410298156.2A CN104057232B (en) | 2014-06-30 | 2014-06-30 | A kind of Rear secondary frame for vehicle rear frame member gripping unit |
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CN201410298156.2A CN104057232B (en) | 2014-06-30 | 2014-06-30 | A kind of Rear secondary frame for vehicle rear frame member gripping unit |
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CN104057232A true CN104057232A (en) | 2014-09-24 |
CN104057232B CN104057232B (en) | 2016-06-01 |
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