CN204053351U - Duplex power transmission shaft alignment weld jig - Google Patents

Duplex power transmission shaft alignment weld jig Download PDF

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Publication number
CN204053351U
CN204053351U CN201420540007.8U CN201420540007U CN204053351U CN 204053351 U CN204053351 U CN 204053351U CN 201420540007 U CN201420540007 U CN 201420540007U CN 204053351 U CN204053351 U CN 204053351U
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China
Prior art keywords
swing arm
support
transmission shaft
threaded
power transmission
Prior art date
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Active
Application number
CN201420540007.8U
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Chinese (zh)
Inventor
齐瑞晓
周建喜
姚晋业
付浩峰
张志斌
柴二帅
雷务然
王建国
袁浩然
尚向辉
张鹏超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XUCHANG ZHONGXING FORGING CO Ltd
Xuchang Yuandong Drive Shaft Co Ltd
Original Assignee
XUCHANG ZHONGXING FORGING CO Ltd
Xuchang Yuandong Drive Shaft Co Ltd
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Application filed by XUCHANG ZHONGXING FORGING CO Ltd, Xuchang Yuandong Drive Shaft Co Ltd filed Critical XUCHANG ZHONGXING FORGING CO Ltd
Priority to CN201420540007.8U priority Critical patent/CN204053351U/en
Application granted granted Critical
Publication of CN204053351U publication Critical patent/CN204053351U/en
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Abstract

Duplex power transmission shaft alignment weld jig, comprise base, base has been threaded vertically disposed screw rod, screw rod upper end is provided with V-type groove V-block upward, chassis left side or right side are provided with support, support is provided with pole and cylinder, pole upper end thereof has swing arm, swing arm one end is hinged with Connection Block, the piston rod of cylinder vertically upward and be connected with Connection Block, swing arm is vertically provided with support depression bar, support depression bar to be threaded with swing arm, swing arm is provided with supporting baffle, supporting baffle lower edge is provided with semicircular indentations, V-block has been threaded two symmetrical supporting post-rods, when swing arm is in level, support the center of circle that depression bar and two supporting post-rods all point to semicircular indentations.The utility model conveniently assemble and disassemble workpiece, structure is simple, flexible operation, and positioning precision is high, and clamping force is balanced, can carry out security protection to the rubber of intermediate supports.

Description

Duplex power transmission shaft alignment weld jig
Technical field
The utility model belongs to automobile part production technique field, is specifically related to a kind of duplex power transmission shaft alignment weld jig.
Background technology
Power transmission shaft, as the critical piece of car transmissions, plays a part to transmit motion and moment of torsion in vehicle traveling process.Because rotating speed of transmission shaft is higher, particularly comparatively common rotor is complicated for duplex transmission shaft structure, in manufacture, assemble and install and use in process, if the non-uniform mass of power transmission shaft, the vector of each centrifugal force is caused to be not equal to zero, during power transmission shaft High Rotation Speed, due to the effect of centrifugal force, this power will produce axial differential pressure to the bearing of duplex power transmission shaft intermediate supports, thus produces violent vibration and larger noise.The vibration of power transmission shaft will produce a series of harm: first can produce noise; Secondly, due to the vibration of self, reduce its transmission efficiency, produce matching loose, greatly can affect the comfortableness of automobile, even make component fatigue failure fracture, cause the generation of major accident.Therefore, domestic and international automaker pays much attention to the research of truck drive shaft vibration analysis and dynamic balancing technique, and urgent hope is found and eliminates amount of unbalance to greatest extent, improves the performance of car load.
Duplex power transmission shaft mainly contains the parts compositions such as slip yoke, universal joint assembly, jump ring, universal-joint fork, central siphon, middle spline shaft head, dust cover, intermediate supports assembly, coupling yoke, flange york.
At present when assembling duplex power transmission shaft and alignment is welded, generally duplex power transmission shaft one end spline mandrel on duplex alignment bonding machine is located, other end seam dish location, mid portion fixture is located, and alignment bonding machine four welding guns are aimed at four weld seams and welded simultaneously.
It is as follows that fixture Problems existing used is welded in the alignment of duplex power transmission shaft: a, compression supporting mechanism more complicated, not easily processes; B, dependence two bearings clamp in bottom, and positioning precision is by the impact of central siphon processing circularity, and clamping force is very unbalanced; Wide φ 64 outer radius portion of c, clamped position 7 ㎜ is not easy to find, and by the impact of certainty of measurement, affects working (machining) efficiency; D, welding gun and compression connecting rod tension, easily burnt, and easily spattered by burning simultaneously; E, intermediate support portions rubber distance welding gun is too near, easily causes intermediate supports rubber when welding wire melts higher temperature, ablation.
For the feature of current duplex power transmission shaft alignment weld jig, the improvement of fixture needs to focus on following two designing points:
A, in concrete design, application hommization, modularized design thinking, take into full account the feature that the alignment of duplex power transmission shaft intermediate support portions weld, versatility, interchangeability, the comfortableness of consideration alignment weld jig;
B, can stable holding workpiece, do not affect workpiece rotating welding, manual alignment can be adapted to and knock and do not affect precision, security protection can be carried out to rubber blanket.
Utility model content
The utility model, in order to solve weak point of the prior art, provides the duplex power transmission shaft alignment weld jig that a kind of Set and Positioning precision is high, production efficiency is high, labour intensity is little, safe and reliable.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: duplex power transmission shaft alignment weld jig, comprise base, base has been threaded vertically disposed screw rod, screw rod is threaded the clamp nut crimped with base upper surface, screw rod upper end is provided with V-type groove V-block upward, chassis left side or right side are provided with support, support is provided with pole and cylinder, pole is between V-block and cylinder, pole upper end thereof has swing arm, swing arm one end is hinged with Connection Block, the piston rod of cylinder vertically upward and be connected with Connection Block, swing arm is vertically provided with support depression bar, support depression bar to be threaded with swing arm, support depression bar is threaded the upper adjusting nut crimped with swing arm, swing arm is provided with supporting baffle, supporting baffle lower edge is provided with semicircular indentations, V-block has been threaded two symmetrical supporting post-rods, each supporting post-rod is all threaded a lower adjusting nut crimped with the V-type groove of V-block, when swing arm is in level, support the center of circle that depression bar and two supporting post-rods all point to semicircular indentations.
Between described support and base, all removably connected by bolt between cylinder and support, between pole and support and between supporting baffle and swing arm.
Adopt technique scheme, when carrying out alignment weld job to duplex power transmission shaft, first duplex power transmission shaft is put on alignment bonding machine, duplex power transmission shaft one end spline mandrel is located, other end seam dish is located, mid portion the utility model positioning compression, concrete operations are, after duplex power transmission shaft two ends are located on alignment bonding machine, two supporting post-rods are threaded onto on V-block, supporting post-rod upper end holds out against the bearing outer ring of intermediate supports, start cylinder, the piston rod of cylinder extends, swing arm is driven with pole upper end for fulcrum rotates by Connection Block, swing arm drives support depression bar and supporting baffle to rotate, support another hole that depression bar lower end compresses duplex power transmission shaft intermediate supports, supporting baffle blocks the rubber part of intermediate supports.The central siphon of duplex power transmission shaft aimed at by four dial gauges of manual alignment bonding machine, and four welding guns aim at duplex power transmission shaft four weld seams under alignment bonding machine two ends and low speed rotation of the present utility model, and duplex power transmission shaft is once welded on alignment bonding machine.
Duplex driving-shaft assembly on the utility model once four weld seams be welded simultaneously, intermediate support portions supports depression bar and two supporting post-rods hold out against intermediate supports bearing outer ring simultaneously, slip fork spline mandrel is located, bead fork seam dish location can ensure that total run-out 0.4 ㎜ of duplex power transmission shaft is in the scope higher than technical requirement (technical requirement is 0.6 ㎜), in subsequent processing, dynamically balanced precision is significantly improved, effectively can reduce vibration and the noise of transmission system, improve the comfortableness of vehicle.
In sum, the utility model compared with prior art, has following outstanding advantages:
1. whole holder part is hinge four-bar and leverage, can conveniently assemble and disassemble workpiece, and structure is simple, flexible operation.
2. pressing section adopts three fulcrum compressing structures, be applicable to workpiece clamping work pieces intermediate supports with three visible holes, support the bearing outer ring that depression bar and two supporting post-rods compress intermediate supports successively, suitably can adjust supporting post-rod height and support depression bar position to meet the demand of various workpieces, positioning precision is high, and clamping force is balanced.
3. stable holding workpiece, does not affect workpiece rotating welding, can adapt to manual alignment and knock, not affect precision, can carry out security protection to the rubber of intermediate supports.
4. easy to operate, automaticity is high, and base and lathe slide rail are slidably connected, and positioning precision is high.
5. the utility model can be widely used in the alignment weld job to the higher light minicar duplex power transmission shaft of rotating speed, vibration and noise requirements such as light bus, commercial vehicle, picking-up vehicle and SUV, decrease the vibration of automobile chassis drive system system, improve the comfortableness of car load.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
As shown in Figure 1, duplex power transmission shaft alignment weld jig of the present utility model, comprise base 1, base 1 has been threaded vertically disposed screw rod 2, screw rod 2 is threaded the clamp nut 3 crimped with base 1 upper surface, screw rod 2 upper end is provided with V-type groove 4 V-block 5 upward, on the left of base 1 or right side is provided with support 6, support 6 is provided with pole 7 and cylinder 8, pole 7 is between V-block 5 and cylinder 8, pole 7 upper end thereof has swing arm 9, swing arm 9 one end is hinged with Connection Block 10, the piston rod 11 of cylinder 8 vertically upward and be connected with Connection Block 10, swing arm 9 is vertically provided with and supports depression bar 12, support depression bar 12 to be threaded with swing arm 9, support depression bar 12 is threaded the upper adjusting nut 13 crimped with swing arm 9, swing arm 9 is provided with supporting baffle 14, supporting baffle 14 lower edge is provided with semicircular indentations 15, V-block 5 has been threaded two symmetrical supporting post-rods 16, each supporting post-rod 16 is all threaded a lower adjusting nut 17 crimped with the V-type groove 4 of V-block 5, when swing arm 9 is in level, support the center of circle that depression bar 12 and two supporting post-rods 16 all point to semicircular indentations 15.
All removably connected by bolt between support 6 and base 1, between cylinder 8 and support 6, between pole 7 and support 6 and between supporting baffle 14 and swing arm 9.
When carrying out alignment weld job to duplex power transmission shaft, first duplex power transmission shaft 18 is put on alignment bonding machine, duplex power transmission shaft 18 one end spline mandrel is located, other end seam dish is located, mid portion the utility model positioning compression, concrete operations are, after duplex power transmission shaft 18 two ends are located on alignment bonding machine, two supporting post-rods 16 are threaded onto on V-block 5, supporting post-rod 16 upper end holds out against the bearing outer ring of intermediate supports, start cylinder 8, the piston rod 11 of cylinder 8 extends, swing arm 9 is driven with pole 7 upper end for fulcrum rotates by Connection Block 10, swing arm 9 drives support depression bar 12 and supporting baffle 14 to rotate, support another hole that depression bar 12 lower end compresses duplex power transmission shaft 18 intermediate supports, supporting baffle 14 blocks the rubber part of intermediate supports.The central siphon of duplex power transmission shaft 18 aimed at by four dial gauges of manual alignment bonding machine, four welding guns aim at duplex power transmission shaft 18 4 weld seams under alignment bonding machine two ends and low speed rotation of the present utility model, and duplex power transmission shaft 18 is once welded on alignment bonding machine.
Duplex driving-shaft assembly on the utility model once four weld seams be welded simultaneously, intermediate support portions supports depression bar 12 and two supporting post-rods 16 hold out against intermediate supports bearing outer ring simultaneously, slip fork spline mandrel is located, bead fork seam dish location can ensure that total run-out 0.4 ㎜ of duplex power transmission shaft is in the scope higher than technical requirement (technical requirement is 0.6 ㎜), in subsequent processing, dynamically balanced precision is significantly improved, effectively can reduce vibration and the noise of transmission system, improve the comfortableness of vehicle.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although be described in detail the utility model with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify to the utility model or equivalent replacement, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (2)

1. duplex power transmission shaft alignment weld jig, it is characterized in that: comprise base, base has been threaded vertically disposed screw rod, screw rod is threaded the clamp nut crimped with base upper surface, screw rod upper end is provided with V-type groove V-block upward, chassis left side or right side are provided with support, support is provided with pole and cylinder, pole is between V-block and cylinder, pole upper end thereof has swing arm, swing arm one end is hinged with Connection Block, the piston rod of cylinder vertically upward and be connected with Connection Block, swing arm is vertically provided with support depression bar, support depression bar to be threaded with swing arm, support depression bar is threaded the upper adjusting nut crimped with swing arm, swing arm is provided with supporting baffle, supporting baffle lower edge is provided with semicircular indentations, V-block has been threaded two symmetrical supporting post-rods, each supporting post-rod is all threaded a lower adjusting nut crimped with the V-type groove of V-block, when swing arm is in level, support the center of circle that depression bar and two supporting post-rods all point to semicircular indentations.
2. duplex power transmission shaft alignment weld jig according to claim 1, be is characterized in that: between described support and base, all removably connected by bolt between cylinder and support, between pole and support and between supporting baffle and swing arm.
CN201420540007.8U 2014-09-19 2014-09-19 Duplex power transmission shaft alignment weld jig Active CN204053351U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420540007.8U CN204053351U (en) 2014-09-19 2014-09-19 Duplex power transmission shaft alignment weld jig

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420540007.8U CN204053351U (en) 2014-09-19 2014-09-19 Duplex power transmission shaft alignment weld jig

Publications (1)

Publication Number Publication Date
CN204053351U true CN204053351U (en) 2014-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN204053351U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108857980A (en) * 2018-07-27 2018-11-23 徐州昊隆工具有限公司 A kind of duplex transmission shaft dynamic balancing intermediate support fixture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108857980A (en) * 2018-07-27 2018-11-23 徐州昊隆工具有限公司 A kind of duplex transmission shaft dynamic balancing intermediate support fixture

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