CN104057232B - A kind of Rear secondary frame for vehicle rear frame member gripping unit - Google Patents
A kind of Rear secondary frame for vehicle rear frame member gripping unit Download PDFInfo
- Publication number
- CN104057232B CN104057232B CN201410298156.2A CN201410298156A CN104057232B CN 104057232 B CN104057232 B CN 104057232B CN 201410298156 A CN201410298156 A CN 201410298156A CN 104057232 B CN104057232 B CN 104057232B
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- slide unit
- cylinder
- clamping
- transposition
- connecting rod
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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 kind of Rear secondary frame for vehicle rear frame member gripping unit, it is made up of slipway mechanism, indexing mechanism and clamping mechanism, slipway mechanism is provided with slide unit positioning cylinder, slide unit cylinder, slide unit does translational motion by slide unit air cylinder driven and to working position or leaves working position, and slide unit is fixed on working position by slide unit positioning cylinder; Indexing mechanism is positioned on slide unit, indexing mechanism is provided with transposition cylinder, transposition cylinder drives clamping mechanism mounting plate to swing through transposition web plate, make clamping mechanism mounting plate together with its fixing clamping mechanism insert to Rear secondary frame for vehicle rear frame member place or oppositely transposition leave Rear secondary frame for vehicle rear frame member; Clamping mechanism is provided with clamping cylinder, and clamping air cylinder driven clamp linkage assembly action, by Workpiece clamping or unclamp. Present configuration is compact, reduce space layout, can effectively resist the impact of welding distortion, ensure that the stability of welding quality, and tool locating can be all exposed by weld seam after clamping, and meets robot automation and welds 100% accessibility.
Description
Technical field
The present invention relates to a kind of mechanical gripping means, especially for the gripping unit of automobile rear sub-frame rear cross beam welding.
Background technology
Rear secondary frame for vehicle rear frame member is automobile rear sub-frame framework important component part, is also the critical positions that swing arm is installed simultaneously, controls except weld size and welding quality except needs, in addition it is also necessary to size is installed in control swing arm in the course of processing. Existing Rear secondary frame for vehicle rear cross beam welding device is by the inner and outer plates of cylinder and line slideway clamping Rear secondary frame for vehicle rear frame member, and device does not possess location function, uncontrollable welding distortion, causes weld size unstable; Mechanism is huge is unfavorable for welding posture optimization; Owing to being design for human weld, part weld seam can not once complete because of tool structure design defect, it is necessary to completing by repair welding, this kind of welding frock and welding process all can not meet the requirement of high efficiency production. At present, with the development of automobile production technology, important trolley part all adopts robot welding, welding streamline realizes automatization, stop repair welding, this just requires that Welder fills the accessibility that must meet robotic gun and detection function, welds frock simultaneously and to be avoided welding distortion, ensures the stability of weld size and produces beat requirement.
Summary of the invention
It is an object of the invention to the drawback for prior art, it is provided that a kind of locate the Rear secondary frame for vehicle rear frame member gripping unit that reliable clamping, arrangement space are compact, can meet robot welding requirement.
Problem of the present invention is realized by following technical scheme:
A kind of Rear secondary frame for vehicle rear frame member gripping unit, described gripping unit uses symmetrical installation in pairs, Rear secondary frame for vehicle rear frame member both sides are clamped, described gripping unit is made up of slipway mechanism, indexing mechanism and clamping mechanism, described slipway mechanism is provided with slide unit mounting plate, slide unit mounting plate is fixed slide unit positioning cylinder, slide unit cylinder, slide unit does translational motion by horizontally disposed slide unit air cylinder driven and to working position or leaves working position, and slide unit is fixed on working position by the slide unit positioning cylinder vertically arranged; Described indexing mechanism is positioned on slide unit, indexing mechanism is provided with transposition cylinder, transposition cylinder drives clamping mechanism mounting plate to swing through transposition web plate, make clamping mechanism mounting plate together with its fixing clamping mechanism insert to Rear secondary frame for vehicle rear frame member place or oppositely transposition leave Rear secondary frame for vehicle rear frame member; Described clamping mechanism is provided with clamping cylinder, and clamping air cylinder driven clamp linkage assembly action, clamp linkage assembly drives left pressure arm, right pressure arm is by Workpiece clamping or unclamps.
Above-mentioned Rear secondary frame for vehicle rear frame member gripping unit, described clamping cylinder is fixed with clamping cylinder mount pad, clamping cylinder mount pad is bolted on clamping mechanism mounting plate, described clamping cylinder mount pad connects plate and support lower plate in the support of parallel setting admittedly, described clamp linkage assembly plate and supporting between lower plate on supporting, in support, plate connects clamping support seat in lower plate front end admittedly with supporting, and clamping support seat both sides are provided with and fix to clamp block, described clamp linkage assembly comprises middle connecting rod and symmetrically arranged left connecting rod, right connecting rod and symmetrically arranged left link arm, right connecting rod arm, clamping cylinder rod connects navigation sub through cylinder rod joint, navigation sub is connecting rod in the middle of joint pin connects, middle connecting rod two ends hinged left connecting rod respectively, one end of right connecting rod, left connecting rod, the other end of right connecting rod respectively with left link arm, the inner side end of right connecting rod arm is hinged, left link arm, the middle part of right connecting rod arm plate upper with support, support the lower plate left link arm of hinged formation, the center of rotation of right connecting rod arm, left link arm, the outboard end of right connecting rod arm connects left pressure arm respectively admittedly, right pressure arm.
Above-mentioned Rear secondary frame for vehicle rear frame member gripping unit, described slide unit mounting plate is fixed with guide rail, and described slide unit connects slide block admittedly, and slide block and guide rail are slidably matched, and slide unit cylinder rod connects slide unit admittedly through slide unit cylinder rod joint and slide unit connection angle seat; Described slide unit bottom connects preset pieces admittedly, and preset pieces is provided with pilot hole, and slide unit positioning cylinder boom end connects steady brace admittedly, and steady brace, preset pieces coupling plugs together, it is achieved slide unit is located.
Above-mentioned Rear secondary frame for vehicle rear frame member gripping unit, 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, in the middle part of transposition cylinder rod and transposition web plate avris hinged, transposition web plate bottom and mounting bracket is hinged, form the center of rotation of transposition web plate, clamping mechanism mounting plate is fixed on transposition web plate top; Being provided with bracing frame in mounting bracket front portion, bracing frame is fixed limited support block, limited support block is provided with spacing groove, and the plate of transposition web plate is thick and the groove width running fit of spacing groove; Also being provided with on bracing frame close to sensor, transposition web plate depressing position triggers close to sensor.
Above-mentioned Rear secondary frame for vehicle rear frame member gripping unit, one end of described cylinder rod joint is threaded with clamping cylinder rod, and the cylinder rod joint the other end is sphere, and cylinder rod joint is provided with card groove, described navigation sub front portion is provided with chuck, rear portion is provided with tail rod, and chuck and card groove block conjunction mutually; Being provided with pillar stiffener between plate and support lower plate in described support, be provided with guide groove in the middle part of pillar stiffener, be provided with and slide cover in guide groove, the tail rod of described navigation sub overlaps and slides cover through sliding and is slidably matched.
Above-mentioned Rear secondary frame for vehicle rear frame member gripping unit, inlet mouth, the exit of described slide unit cylinder are provided with speed-regulating valve.
The present invention is the processing requirement being suitable for welding post, from multifactor considerations such as welding posture, welding gun accessibility, weld size stability, require for Rear secondary frame for vehicle rear beam structure feature and robot welding to determine rational Rear secondary frame for vehicle rear frame member location clamping scheme, adopt the combination of multiple cylinder moving to realize clamping along the location of Rear secondary frame for vehicle rear frame member length direction. The slipway mechanism of the present invention in working order under extremely can effectively prevent slide unit in welding process due to welded stress distortion by the location of positioning cylinder lock and laterally to slide, ensure that slide unit welding position precision, the impact of opposing welding distortion, ensure that the stability of welding quality. Present configuration is compact, reduce space layout, and tool locating can be all exposed by weld seam after clamping, and meets robot automation and welds 100% accessibility.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of slipway mechanism;
Fig. 3 is the K direction view of Fig. 2;
Fig. 4 is Fig. 3 B-B sectional 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 clamping mechanism;
Fig. 8 is that clamping mechanism removes the schematic diagram supporting upper plate, support lower plate;
Fig. 9 is that clamping mechanism removes the vertical view supporting upper plate, support lower plate clamped condition;
Figure 10 is that clamping mechanism removes the vertical view supporting upper plate, support lower plate releasing orientation;
Figure 11 is the A-A sectional view of Fig. 9;
Figure 12 is using state schematic diagram of the present invention.
In figure, each list of reference numerals is: 1, slipway mechanism, 1-1, slide unit mounting plate, 1-2, guide rail limited block, 1-3, guide rail, 1-4, protective shield, 1-5, slide unit, 1-6, limited block, 1-7, slide unit cylinder, 1-8, speed-regulating valve, 1-9, slide unit positioning cylinder, 1-10, preset pieces, 1-11, steady brace, 1-12, slide unit connection angle seat, 1-13, slide unit cylinder rod joint, 2, indexing mechanism, 2-1, transposition cylinder, 2-2, transposition web plate, 2-3, indexing mechanism mount pad, 2-4, mounting bracket, 2-5, bracing frame, 2-6, close to sensor, 2-7, limited support block, 2-8, clamping mechanism mounting plate, 3, clamping mechanism, 3-1, clamping cylinder, 3-2, clamping cylinder mount pad, 3-3, plate in support, 3-4, support lower plate, 3-5, clamping supports seat, 3-6, fix to clamp block, 3-7, left pressure arm, 3-8, right pressure arm, 3-9, cylinder rod joint, 3-10, navigation sub, 3-11, joint pin, 3-12, middle 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 cover, 3-18, pillar stiffener, 4, base, 5, Rear secondary frame for vehicle.
Embodiment
Referring to Fig. 1, gripping unit of the present invention is made up of slipway mechanism 1, indexing mechanism 2 and clamping mechanism 3. Slipway mechanism 1 is the fundamental mechanism of device, and slipway mechanism drives indexing mechanism and clamping mechanism to do translational motion, near the Rear secondary frame for vehicle rear frame member workpiece being positioned on base or away from this workpiece. For driving, clamping mechanism swings in or shows the inner and outer plates place of Rear secondary frame for vehicle rear frame member to indexing mechanism 2. Clamping mechanism is used for the inner and outer plates clamping of Rear secondary frame for vehicle rear frame member workpiece or unclamps.
Referring to Fig. 2, Fig. 3, Fig. 4, slipway mechanism comprises slide unit mounting plate 1-1 and slide unit 1-5, and slide unit mounting plate fixes slide unit cylinder 1-7. Horizontally disposed slide unit cylinder 1-7 is the force piece of slide unit motion, and slide unit cylinder rod meets slide unit cylinder rod joint 1-13 admittedly, and slide unit cylinder rod joint 1-13 meets slide unit connection angle seat 1-12 admittedly, and slide unit connection angle seat 1-12 meets slide unit 1-5 admittedly. Fixing guide rail 1-3 on slide unit mounting plate 1-1, slide unit bottom connects slide block (not shown) admittedly, and 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 shield 1-4 covering on guide rail. Slide unit mounting plate is provided with the limited block 1-6 that slide unit working position is spacing. For ensureing that slide unit is reliably fixed in working position, workpiece is avoided to produce distortion under welding force effect, slipway mechanism is provided with slide unit positioning cylinder 1-9, and slide unit positioning cylinder 1-9 is vertically fixed on slide unit mounting plate 1-1 place, and slide unit bottom meets preset pieces 1-10 admittedly, preset pieces is provided with pilot hole, slide unit positioning cylinder boom end meets steady brace 1-11 admittedly, and when slide unit is moved into working position, slide unit positioning cylinder bar drives steady brace action, steady brace, preset pieces coupling plugs together, it is achieved the location of slide unit. Inlet mouth, the exit of slide unit cylinder 1-7 are provided with speed-regulating valve 1-8, and speed-regulating 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 web 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 is hinged, in the middle part of the avris of transposition cylinder rod and transposition web plate 2-2 hinged, transposition web plate 2-2 bottom and mounting bracket 2-4 is hinged, form transposition web plate center of rotation, transposition web plate is fixed for install clamping mechanism clamping mechanism mounting plate 2-8. Being provided with bracing frame 2-5 in the front portion of mounting bracket, bracing frame is fixed limited support block 2-7, limited support block is provided with spacing groove. When transposition web plate inserts to working position, transposition web plate front end enters in spacing groove, and the plate of transposition web plate is thick and the groove width running fit of spacing groove, to ensure the consistence of transposition. Bracing frame is also provided with close to sensor 2-6, triggers close to sensor when transposition web plate is in depressing position, send signal to robot close to sensor.
Referring to Fig. 7 to Figure 10, described clamping mechanism comprises clamping cylinder 3-1, clamping cylinder mount pad 3-2 and clamp linkage assembly. clamping cylinder connects clamping cylinder mount pad admittedly, clamping cylinder mount pad is bolted on clamping mechanism mounting plate 2-8, clamping cylinder mount pad admittedly meets in the support of parallel setting plate 3-3 and supports lower plate 3-4, clamp linkage assembly plate and supporting between lower plate on supporting. on supporting, plate meets clamping support seat 3-5 in lower plate front end admittedly with supporting, and clamping support seat both sides are provided with and fix to clamp block 3-6. clamp linkage assembly comprises middle connecting rod 3-12 and symmetrically arranged left connecting rod 3-13, right connecting rod 3-14 and symmetrically arranged left link arm 3-15, right connecting rod arm 3-16. clamping cylinder rod connects navigation sub 3-10 through cylinder rod joint 3-9, navigation sub is connecting rod in the middle of joint pin 3-11 connects, middle connecting rod two ends hinged left connecting rod respectively, one end of right connecting rod, left connecting rod, the other end of right connecting rod respectively with left link arm, the inner side end of right connecting rod arm is hinged, left link arm, the middle part of right connecting rod arm plate upper with support, support the lower plate left link arm of hinged formation, the center of rotation of right connecting rod arm, left link arm, the outboard end of right connecting rod arm meets left pressure arm 3-7 respectively admittedly, right pressure arm 3-8, left pressure arm when clamping mechanism clamps, right pressure arm respectively with fix to clamp the clamping of the block 3-6 involutory inner and outer plates by Rear secondary frame for vehicle rear frame member.
From Fig. 9, Figure 11, one end of cylinder rod joint 3-9 is threaded with clamping cylinder rod, and the cylinder rod joint the other end is sphere, and sphere structure can compensate in fortune merits and demerits journey eccentric by power. Cylinder rod joint is provided with card groove, and navigation sub 3-10 front portion is provided with chuck, rear portion is provided with tail rod, and chuck and card groove block conjunction mutually, makes cylinder rod joint can drive navigation sub bidirectional-movement. For ensureing the stationarity moved, support being provided with pillar stiffener 3-18 between plate 3-3 and support lower plate 3-4, is provided with guide groove in the middle part of pillar stiffener, be provided with and slide cover 3-17 in guide groove, the tail rod of described navigation sub overlaps and slides cover through sliding and is slidably matched.
Referring to Figure 12, device of the present invention uses in pairs, symmetrical installation, and slide unit mounting plate and base 4 are fixed, and the rear frame member of the Rear secondary frame for vehicle 5 being seated on base 4 is clamped from both sides by described device.
The working process of the present invention is as follows:
Manually Rear secondary frame for vehicle rear frame member 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, and after moving to limited block position, positioning cylinder drives steady brace insertion preset pieces by dead for slide unit lock; Transposition cylinder rod stretches out, and transposition web plate turns clockwise, and clamping mechanism swings in the inner and outer plates place of Rear secondary frame for vehicle rear frame member, until transposition web plate and the laminating of limited support block; Clamping cylinder rod stretches out, promotion navigation sub overlaps forward slip until fitting with pillar stiffener along sliding, navigation sub drives middle connecting rod to move forward simultaneously, middle connecting rod forward movement drive left connecting rod, right connecting rod to rotate to direction in opposite directions, left connecting rod, right connecting rod drive left connecting rod pressure arm, right connecting rod to rotate to direction in opposite directions, it is achieved the clamping of workpiece.
Robot starts welding after clamping cylinder and the signal that puts in place close to sensor being detected.
Clamp cylinder rod after having welded to shrink, pull navigation sub along sliding cover rearward movement, navigation sub drives middle connecting rod rearward movement, driving left connecting rod, right connecting rod to rotate backward in middle connecting rod rearward movement process, left connecting rod, right connecting rod drive left connecting rod pressure arm, right connecting rod pressure arm to rotate backward and unclamped by workpiece; Transposition cylinder rod shrinks, and transposition web plate is rotated counterclockwise, and clamping mechanism shows the inner and outer plates of Rear secondary frame for vehicle rear frame member; Positioning cylinder bar shrinks, and steady brace departs from preset pieces, and slide unit cylinder rod stretches out, and drives slide unit to leave workpiece, manually takes workpiece away.
Claims (3)
1. a Rear secondary frame for vehicle rear frame member gripping unit, it is characterized in that: described gripping unit uses symmetrical installation in pairs, Rear secondary frame for vehicle rear frame member both sides are clamped, described gripping unit is by slipway mechanism (1), indexing mechanism (2) and clamping mechanism (3) composition, described slipway mechanism is provided with slide unit mounting plate (1-1), slide unit mounting plate is fixed slide unit positioning cylinder (1-9), slide unit cylinder (1-7), slide unit (1-5) does translational motion by horizontally disposed slide unit air cylinder driven and to working position or leaves working position, slide unit is fixed on working position by the slide unit positioning cylinder vertically arranged,
Being fixed with guide rail (1-3) on described slide unit mounting plate (1-1), described slide unit (1-5) connects slide block admittedly, and slide block and guide rail are slidably matched, and slide unit cylinder rod connects slide unit admittedly through slide unit cylinder rod joint (1-13) and slide unit connection angle seat (1-12); Described slide unit bottom connects preset pieces (1-10) admittedly, and preset pieces is provided with pilot hole, and slide unit positioning cylinder boom end connects steady brace (1-11) admittedly, and steady brace, preset pieces coupling plugs together, it is achieved slide unit is located;
Described indexing mechanism (2) is positioned on slide unit, indexing mechanism is provided with transposition cylinder (2-1), transposition cylinder drives clamping mechanism's mounting plate (2-8) to swing through transposition web plate (2-2), make clamping mechanism mounting plate together with its fixing clamping mechanism insert to Rear secondary frame for vehicle rear frame member place or oppositely transposition leave Rear secondary frame for vehicle rear frame member; Described clamping mechanism is provided with clamping cylinder (3-1), clamping air cylinder driven clamp linkage assembly action, and clamp linkage assembly drives left pressure arm (3-7), right pressure arm (3-8) by Workpiece clamping or to unclamp;
Described clamping cylinder (3-1) is fixed with clamping cylinder mount pad (3-2), clamping cylinder mount pad is bolted in clamping mechanism's mounting plate (2-8), described clamping cylinder mount pad connects plate (3-3) and support lower plate (3-4) in the support of parallel setting admittedly, described clamp linkage assembly plate and supporting between lower plate on supporting, in support, plate connects clamping support seat (3-5) in lower plate front end admittedly with supporting, and clamping support seat both sides are provided with and fix to clamp block (3-6), described clamp linkage assembly comprises middle connecting rod (3-12) and symmetrically arranged left connecting rod (3-13), right connecting rod (3-14) and symmetrically arranged left link arm (3-15), right connecting rod arm (3-16), clamping cylinder rod connects navigation sub (3-10) through cylinder rod joint (3-9), navigation sub is connecting rod in the middle of joint pin (3-11) connects, middle connecting rod two ends hinged left connecting rod respectively, one end of right connecting rod, left connecting rod, the other end of right connecting rod respectively with left link arm, the inner side end of right connecting rod arm is hinged, left link arm, the middle part of right connecting rod arm plate upper with support, support the lower plate left link arm of hinged formation, the center of rotation of right connecting rod arm, left link arm, the outboard end of right connecting rod arm connects left pressure arm (3-7) respectively admittedly, right pressure arm (3-8),
Described cylinder rod joint (3-9) one end is threaded with clamping cylinder rod, and the cylinder rod joint the other end is sphere, and cylinder rod joint is provided with card groove, and described navigation sub (3-10) front portion is provided with chuck, rear portion is provided with tail rod, and chuck and card groove block conjunction mutually; Being provided with pillar stiffener (3-18) between plate (3-3) and support lower plate (3-4) in described support, be provided with guide groove in the middle part of pillar stiffener, be provided with and slide cover (3-17) in guide groove, the tail rod of described navigation sub overlaps and slides cover through sliding and is slidably matched.
2. Rear secondary frame for vehicle rear frame member gripping unit according to claim 1, 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 (2-4) on indexing mechanism mount pad, transposition cylinder (2-1) is hinged with mounting bracket, in the middle part of transposition cylinder rod and transposition web plate (2-2) avris hinged, transposition web plate bottom and mounting bracket is hinged, form transposition web plate center of rotation, clamping mechanism's mounting plate (2-8) be fixed on transposition web plate top; Being provided with bracing frame (2-5) in mounting bracket front portion, bracing frame is fixed limited support block (2-7), limited support block is provided with spacing groove, and the plate of transposition web plate is thick and the groove width running fit of spacing groove; Also being provided with close to sensor (2-6) on bracing frame, transposition web plate depressing position triggers close to sensor.
3. Rear secondary frame for vehicle rear frame member gripping unit according to claim 2, it is characterised in that, inlet mouth, the exit of described slide unit cylinder (1-7) are provided with speed-regulating valve (1-8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298156.2A CN104057232B (en) | 2014-06-30 | 2014-06-30 | A kind of Rear secondary frame for vehicle rear frame member gripping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410298156.2A CN104057232B (en) | 2014-06-30 | 2014-06-30 | A kind of Rear secondary frame for vehicle rear frame member gripping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057232A CN104057232A (en) | 2014-09-24 |
| CN104057232B true CN104057232B (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410298156.2A Active 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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| CN (1) | CN104057232B (en) |
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