CN103121155A - Welding fixture of grading rings - Google Patents
Welding fixture of grading rings Download PDFInfo
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- CN103121155A CN103121155A CN2013100927380A CN201310092738A CN103121155A CN 103121155 A CN103121155 A CN 103121155A CN 2013100927380 A CN2013100927380 A CN 2013100927380A CN 201310092738 A CN201310092738 A CN 201310092738A CN 103121155 A CN103121155 A CN 103121155A
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- grading ring
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- 238000003466 welding Methods 0.000 title abstract description 25
- 230000033001 locomotion Effects 0.000 claims description 9
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000008602 contraction Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention provides a welding fixture of grading rings. The welding fixture of the grading rings is simple in structure, at the same time can effectively ensure that axes of the upper layer of grading ring and the lower layer of the grading ring are uniform after the grading rings are welded with lateral columns and the axes of a circumference formed by the lower layer of the grading ring and a plurality of connecting pieces are uniform, and is not influenced by cooling shrinkage deformation after welding. The grading rings are divided into the upper layer and the lower layer. The upper layer of the grading ring is fixedly connected above the lower layer of the grading ring through a plurality of the lateral columns. The inner wall of the lower layer of the grading ring is fixedly connected with the plurality of connecting pieces. The welding fixture of the grading rings comprises a first welding fixture used for welding the upper layer of the grading ring, the lower layer of the grading ring and the lateral columns and a second welding fixture used for welding the grading rings and the plurality of connecting pieces. The welding fixture of the grading rings prevents cooling shrinkage deformation caused by welding point dropping from high temperature to low temperature. The welding fixture of the grading rings has the advantages of being capable of applying to welding between two layers of the grading rings of various specifications, height and intervals and effective in ensuring that the axes of the upper layer of the grading ring and the lower layer of the grading ring are uniform.
Description
Technical field
The present invention relates to the fixture field, relate in particular to the improvement of the clamp that uses in the welding of double-deck grading ring.
Background technology
Grading ring can be evenly distributed on high voltage around object, and guaranteeing does not have potential difference between each position of annular, thereby reaches the effect of all pressing.They are different by use, can be divided into lightning-arrest grading ring, lightning protection grading ring, mutual inductance grading ring, high-tension testing apparatus grading ring, power transmission and transformation line grading ring etc.That result of use is better for making grading ring, usually that two grading ring a are upper and lower stacking, then will both weld together with some lateral column c.
Yet people find following problem in when operation: one, due to grading ring mostly ringwise and size larger, therefore, with two grading ring stacked on top, axiality both is difficult to be effectively guaranteed, thereby its result of use is significantly reduced; Two, common, after a welding sequence is completed, pad is reduced to low temperature by high temperature, certainly will bring cooling contraction distortion, the amount of contraction of different pads is not identical yet, therefore, and after some lateral column welding are completed, the axiality of upper and lower two grading rings certainly will produce deviation again, has seriously influenced the result of use of grading ring.
In addition, in use, the grading ring a with lower floor is fixedly connected on the top of an axis by some connector b usually, like this, just must guarantee the precision of the axiality of grading ring and axis.Because the position of mounting hole on some connectors is identical, therefore, for guaranteeing the positional precision of axis and grading ring, just must guarantee some connectors after welding is completed, the axle center of the circumference of its formation is consistent with the axle center of grading ring.
Summary of the invention
The present invention is directed to above problem, provide a kind of simple in structure, the axle center of circumference that can effectively guarantee simultaneously the grading ring of and lower floor consistent with the axle center of upper and lower two-layer grading ring after the lateral column welding and the formation of some connectors is consistent, and the while is not welded the weld jig of the grading ring that rear cooling contraction distortion affects.
Technical scheme of the present invention is: described grading ring is divided into upper and lower two-layer, the grading ring on described upper strata is fixedly connected on the top of the grading ring of lower floor by some lateral columns, be fixedly connected with some connectors on the inwall of the grading ring of described lower floor, described weld jig comprises be used to the weld jig one that welds upper and lower two-layer grading ring and lateral column with for the weld jig two that welds grading ring and some connectors;
Described weld jig one comprises base, footstock and some guide pillars, and described footstock is movably connected in above base by some guide pillars, and described weld jig one also comprises at least two pairs of staggered upper grip modules and at least two pairs of staggered lower grip modules;
Described upper grip module comprises the upper walking assembly and the L shaped upper tong arm that is fixedly connected on walking assembly below that is located at footstock inside; Be provided with the upper tong arm drive unit on the bottom surface that is fixedly connected on footstock between a pair of described L shaped upper tong arm, offer some upper sliding trays to the center of pointing to described upper tong arm drive unit in described footstock; A pair of described upper walking assembly is along the Central Symmetry of described upper tong arm drive unit, and described upper walking assembly is located in described upper sliding tray and can does straight reciprocating motion in sliding tray on described;
Described lower grip module comprises the lower walking assembly and the L shaped lower tong arm that is fixedly connected on lower walking assembly below that is located at base inside; Be provided with the lower tong arm drive unit on the end face that is fixedly connected on base between a pair of described L shaped lower tong arm, offer some lower slider grooves to the center of pointing to described lower tong arm drive unit in described base; A pair of described lower walking assembly is along the Central Symmetry of described lower tong arm drive unit, and described lower walking assembly is located in described lower slider groove and can does straight reciprocating motion in described lower slider groove;
The center of described upper tong arm drive unit is consistent with the center of described lower tong arm drive unit;
Described weld jig two comprises vertically disposed main driving mechanism, some horizontally disposed followers and some clamps; Described main driving mechanism is fixedly connected on the top of described lower tong arm drive unit and consistent with the center of described lower tong arm drive unit;
Some described followers are cross-linked on main driving mechanism and are staggered with described L shaped lower tong arm, and it is consistent away from the jaw height of the end of described main driving mechanism and some clamps that described clamp is connected to described follower;
Described main driving mechanism comprises drive motors and driven wheel, described driven wheel is connected on the output shaft of described drive motors, described follower comprises worm gear and the worm screw adaptive with described driven wheel, makes described driven wheel can drive some described worm screws and carries out simultaneously horizontal displacement.
Described upper tong arm drive unit comprises upper fixed block and the some springs on the bottom surface that is fixedly connected on described footstock, makes described L shaped upper tong arm outwards strut under the driving of spring;
Described lower tong arm drive unit comprises lower fixed block and the some springs on the end face that is fixedly connected on described base, makes described L shaped lower tong arm outwards strut under the driving of spring.
Described upper tong arm drive unit comprises and is fixedly connected on the upper electromagnet on described footstock bottom surface and is fixedly connected on described L shaped upper tong arm towards the upper magnet of described upper electromagnet one side;
Described lower tong arm drive unit comprises the lower electromagnet that is fixedly connected on described base top surface and is fixedly connected on described L shaped lower tong arm towards the lower magnet of described lower electromagnet one side.
Described upper walking assembly comprises at least two pairs of highly consistent, equal-sized upper directive wheels, and is some to being fixedly connected with by cross tube between described upper directive wheel;
Described lower walking assembly comprises at least two pairs of highly consistent, equal-sized lower directive wheels, and is some to being fixedly connected with by sheer pole between described lower directive wheel.
Be connected by upper arrangement for adjusting height between described L shaped upper tong arm and upper walking assembly, described upper arrangement for adjusting height comprises the upper hydraulic cylinder and the upper hydraulic stem that is fixedly connected on L shaped upper tong arm top that is fixedly connected on the cross tube middle part, drives described L shaped upper tong arm by upper arrangement for adjusting height and moves up and down;
Be connected by lower arrangement for adjusting height between described L shaped lower tong arm and lower walking assembly, described lower arrangement for adjusting height comprises the lower hydraulic cylinder and the lower hydraulic stem that is fixedly connected on L shaped lower tong arm bottom that is fixedly connected on the sheer pole middle part, drives described L shaped lower tong arm by lower arrangement for adjusting height and moves up and down.
The diameter of described driven wheel is less than the diameter of described worm gear.
In the present invention, upper tong arm is made as L shapedly, makes and can effectively guarantee to be arranged on the grading ring on upper strata and the bottom surface of footstock fits after welding is completed, reduce to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings; Lower tong arm is made as L shaped, makes and can effectively guarantee to be arranged on the grading ring of lower floor and the end face of base fits after welding is completed, reduce to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings.
The present invention is applicable to the welding between the double-deck grading ring of different size, differing heights spacing, and can guarantee effectively that upper and lower two-layer grading ring axle center is consistent.
After welding between upper and lower two-layer grading ring and lateral column is completed, the connector of packing in clamp on weld jig two, and unlatching motor, because main driving mechanism is fixedly connected on the top of lower tong arm drive unit and consistent with the center of lower tong arm drive unit, be that motor is consistent with the center of lower tong arm drive unit, the overhang of each worm screw equates simultaneously; Therefore, can make the axle center of the circumference that some connectors form consistent with the axle center of grading ring.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of double-deck grading ring and some connectors in the present invention;
Fig. 3 is the structural representation of weld jig one in the present invention,
Fig. 4 is the top view of Fig. 3,
Fig. 5 be the A-A of Fig. 4 to cutaway view,
Fig. 6 is the structural representation of the footstock of weld jig one in the present invention,
Fig. 7 is the top view of Fig. 6,
Fig. 8 is the structural representation of the walking assembly of weld jig one in the present invention,
Fig. 9 is the top view of Fig. 8,
Figure 10 is the second embodiment schematic diagram of weld jig one in the present invention;
Figure 11 is the structural representation of weld jig two in the present invention,
Figure 12 is the top view of Figure 11.
In figure, 1 is weld jig one, 11st, footstock, the 110th, upper sliding tray, the 12nd, base, the 120th, lower slider groove, the 13rd, guide pillar;
The 14th, upper grip module, the 141st, upper walking assembly, the 1411st, upper directive wheel, the 1412nd, cross tube, the 142nd, L shaped upper tong arm, the 143rd, upper tong arm drive unit, 1431-1 are upper fixed blocks, and 1431-2 is upper electromagnet, 1432-2 is upper magnet, the 144th, upper arrangement for adjusting height, the 1441st, upper hydraulic cylinder, the 1442nd, upper hydraulic stem;
The 15th, lower grip module, the 151st, lower walking assembly, the 1511st, lower directive wheel, the 1512nd, sheer pole, the 152nd, L shaped lower tong arm, the 153rd, lower tong arm drive unit, 1531-1 are lower fixed blocks, and 1531-2 is lower electromagnet, 1532-2 is lower magnet, the 154th, lower arrangement for adjusting height, the 1541st, lower hydraulic cylinder, the 1542nd, lower hydraulic stem.
The 2nd, weld jig two, 21st, main driving mechanism, the 211st, drive motors, the 212nd, driven wheel, the 22nd, follower, the 221st, worm gear, the 222nd, worm screw, the 23rd, clamp;
A is grading ring, and b is connector, and c is lateral column.
The specific embodiment
The present invention is as shown in Fig. 1-12, described grading ring a is divided into upper and lower two-layer, the grading ring on described upper strata is fixedly connected on the top of the grading ring of lower floor by some lateral column c, be fixedly connected with some connector b on the inwall of the grading ring a of described lower floor, described weld jig comprises be used to the weld jig 1 that welds upper and lower two-layer grading ring a and lateral column c with for the weld jig 22 that welds grading ring a and some connector b
Described weld jig 1 comprises base 12, footstock 11 and some guide pillars 13, described footstock 11 is movably connected in base 12 tops by some guide pillars 13, and described weld jig 1 also comprises at least two pairs of staggered upper grip modules 14 and at least two pairs of staggered lower grip modules 15;
Described upper grip module 14 comprises the upper walking assembly 141 and the L shaped upper tong arm 142 that is fixedly connected on walking assembly 141 belows that is located at footstock 11 inside; Upper tong arm 143 is made as L shaped, makes and can effectively guarantee to be arranged on the grading ring on upper strata and the bottom surface of footstock 11 fits after welding is completed, reduce to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings; Be provided with the upper tong arm drive unit 143 on the bottom surface that is fixedly connected on footstock between a pair of described L shaped upper tong arm 142, offer some upper sliding trays 110 to the center of pointing to described upper tong arm drive unit 143 in described footstock 11; A pair of described upper walking assembly 141 is along the Central Symmetry of described upper tong arm drive unit 143, described upper walking assembly 141 is located at and (makes walking assembly 141 only can along upper sliding tray 110 operations, can not produce the play of other directions) in described upper sliding tray 110 and can do straight reciprocating motion in sliding tray 110 on described; Make with tong arm on pair of L-shaped 142 also along the Central Symmetry of described upper tong arm drive unit 143, like this, upper tong arm drive unit 143 can drive L shaped upper tong arm 142 and strut outside mutually along straight line, can effectively clamp the grading ring that is arranged on the upper strata after strutting fully;
Described lower grip module 15 comprises the lower walking assembly 151 and the L shaped lower tong arm 152 that is fixedly connected on lower walking assembly 151 belows that is located at base 12 inside; Lower tong arm 152 is made as L shaped, makes and can effectively guarantee to be arranged on the grading ring of lower floor and the end face of base 12 fits after welding is completed, reduce to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings; Be provided with the lower tong arm drive unit 153 on the end face that is fixedly connected on base 12 between a pair of described L shaped lower tong arm 152, offer some lower slider grooves 120 to the center of pointing to described lower tong arm drive unit 153 in described base 12; A pair of described lower walking assembly 151 is along the Central Symmetry of described lower tong arm drive unit 153, described lower walking assembly 151 is located in described lower slider groove 120 (making lower walking assembly 151 only can along 120 operations of lower slider groove, can not produce the play of other directions) and can seat straight reciprocating motion in described lower slider groove 120; Make with tong arm under pair of L-shaped 152 also along the Central Symmetry of described lower tong arm drive unit 153, like this, lower tong arm drive unit 153 can drive L shaped lower tong arm 152 and strut outside mutually along straight line, can effectively clamp the grading ring that is arranged on lower floor after strutting fully;
The center of described upper tong arm drive unit 143 is consistent with the center of described lower tong arm drive unit 153.
Described weld jig 22 comprises vertically disposed main driving mechanism 21, some horizontally disposed followers 22 and some clamps 23; Described main driving mechanism 21 is fixedly connected on the top of described lower tong arm drive unit 153 and consistent with the center of described lower tong arm drive unit 153;
Some described followers 22 are cross-linked on main driving mechanism 21 and are staggered with described L shaped lower tong arm 152, make each follower 22 time can mutually not interfere in operation, it is consistent away from the jaw height of the end of described main driving mechanism 21 and some clamps 23 that described clamp 23 is connected to described follower 22; The connector of jaw 23 places clamping also will be on sustained height;
Described main driving mechanism 21 comprises drive motors 211 and driven wheel 212, described driven wheel 212 is connected on the output shaft of described drive motors 211, described follower 22 comprises worm gear 221 and the worm screw 222 adaptive with described driven wheel 212, because worm gear 221 and the worm screw 222 of each follower 22 are all identical, make described driven wheel 212 can drive some described worm screws 222 and carry out simultaneously horizontal displacement.After welding between double-deck grading ring a and lateral column c is completed, connector b packs in clamp 23 on weld jig 22, and unlatching motor 211, because main driving mechanism 21 is fixedly connected on the top of lower tong arm drive unit 153 and consistent with the center of lower tong arm drive unit 153, be that motor 211 is consistent with the center of lower tong arm drive unit 153, the overhang of each worm screw 222 equates simultaneously; Therefore, can make the axle center of the circumference that some connector c form consistent with the axle center of grading ring a.
The first embodiment of upper and lower tong arm drive unit in the present invention: described upper tong arm drive unit 143 comprises upper fixed block 1431-1 and the some springs on the bottom surface that is fixedly connected on described footstock 11, makes described L shaped upper tong arm 142 outwards strut under the driving of spring; Due to center (namely go up the center of the fixed block 1431-1) symmetry of tong arm on pair of L-shaped 142 along described upper tong arm drive unit 143, therefore, when the axle center of the grading ring that is arranged on the upper strata and upper fixed block 1431-1 center when inconsistent, the deflection of some springs does not wait, thereby the power that is applied on L shaped upper tong arm 142 does not wait yet, make grading ring will continue motion under the driving of spring force, until the power that some L shaped upper tong arms are subject to is identical, namely the deflection of some springs is consistent.Like this, can guarantee to be arranged on the axle center of grading ring on upper strata consistent with upper fixed block center.
Described lower tong arm drive unit 153 comprises lower fixed block 1531-1 and the some springs on the end face that is fixedly connected on described base 12, makes described L shaped lower tong arm 152 outwards strut under the driving of spring.In like manner, also can guarantee to be arranged on the axle center of grading ring of lower floor consistent with lower fixed block 1531-1 center.Because the center (namely going up the center of fixed block 1431-1) of upper tong arm drive unit 143 is consistent with the center (namely descending the center of fixed block 1531-1) of lower tong arm drive unit 153, therefore, can guarantee effectively that upper and lower two-layer grading ring keeps concentric.
The second embodiment of upper and lower tong arm drive unit in the present invention: described upper tong arm drive unit 143 comprises and is fixedly connected on the upper electromagnet 1431-2 on described footstock 11 bottom surfaces and is fixedly connected on described L shaped upper tong arm 142 towards the upper magnet 1432-2 of described upper electromagnet 1431-2 one side; When upper electromagnet 1431-2 is identical with described upper magnet 1432-2 near the magnetic of described L shaped upper tong arm 142 1 sides, L shaped upper tong arm 142 can outwards strut, at this moment, if it is inconsistent to be arranged on axle center and the upper fixed block center of grading ring on upper strata, the repulsive force that is subject to of some upper magnet 1432-2 is also inconsistent, the grading ring that is arranged on the upper strata will continue motion under the effect of repulsive force, until it is consistent with the center of upper tong arm drive unit 143 to be arranged on the axle center of grading ring on upper strata; As upper electromagnet 1431-2 near the magnetic of described L shaped upper tong arm 142 1 sides and described upper magnet 1432-2 when different, recoverable L shaped upper tong arm 142, thus can take out the grading ring that is arranged on the upper strata.
Described lower tong arm drive unit 153 comprises the lower electromagnet 1531-2 that is fixedly connected on described base 12 end faces and is fixedly connected on described L shaped lower tong arm 152 towards the lower magnet 1532-2 of described lower electromagnet 1531-2 one side.In like manner, L shaped lower tong arm 152 also can strut under the driving of lower tong arm drive unit 153, thereby the axle center of grading ring of guaranteeing to be arranged on lower floor is consistent with the center of lower tong arm drive unit 153, and then guarantees upper and lower two-layer grading ring concentric; Or regain, thereby can take out the grading ring that is arranged on lower floor under the driving of lower tong arm drive unit 153.
Described upper walking assembly 141 comprises at least two pairs of highly consistent, equal-sized upper directive wheels 1411, and is some to being fixedly connected with by cross tube 1412 between described upper directive wheel 1411; Effectively avoided L shaped upper tong arm 142 in stressed rear generation upset.
Described lower walking assembly 151 comprises at least two pairs of highly consistent, equal-sized lower directive wheels 1511, and is some to being fixedly connected with by sheer pole 1512 between described lower directive wheel 1511.Effectively avoided L shaped lower tong arm 152 in stressed rear generation upset.
Be connected by upper arrangement for adjusting height 144 between described L shaped upper tong arm 142 and upper walking assembly 141, described upper arrangement for adjusting height 144 comprises the upper hydraulic cylinder 1441 and the upper hydraulic stem 1442 that is fixedly connected on L shaped upper tong arm 142 tops that is fixedly connected on cross tube 1412 middle parts, drives described L shaped upper tong arm 142 by upper arrangement for adjusting height and moves up and down; , can control L shaped upper tong arm by upper arrangement for adjusting height and move upward with after the center of upper tong arm drive unit is consistent when the axle center of the grading ring that is arranged on the upper strata, clamp and guarantee to be arranged on the grading ring on upper strata and the bottom surface of footstock remains applying.
Be connected by lower arrangement for adjusting height 154 between described L shaped lower tong arm 152 and lower walking assembly 151, described lower arrangement for adjusting height 154 comprises the lower hydraulic cylinder 1541 and the lower hydraulic stem 1542 that is fixedly connected on L shaped lower tong arm 152 bottoms that is fixedly connected on sheer pole 1512 middle parts, drives described L shaped lower tong arm 152 by lower arrangement for adjusting height and moves up and down.In like manner, can clamp and guarantee to be arranged on the grading ring of lower floor and the end face of base remains applying by lower arrangement for adjusting height.
The diameter of described driven wheel 212 is less than the diameter of described worm gear 221.Effectively avoided worm screw 222 at when operation and main driving mechanism 21 generation movement interferences.
Claims (6)
1. the weld jig of a grading ring, described grading ring is divided into upper and lower two-layer, the grading ring on described upper strata is fixedly connected on the top of the grading ring of lower floor by some lateral columns, be fixedly connected with some connectors on the inwall of the grading ring of described lower floor, it is characterized in that, described weld jig comprises be used to the weld jig one that welds upper and lower two-layer grading ring and lateral column with for the weld jig two that welds grading ring and some connectors;
Described weld jig one comprises base, footstock and some guide pillars, and described footstock is movably connected in above base by some guide pillars, and described weld jig one also comprises at least two pairs of staggered upper grip modules and at least two pairs of staggered lower grip modules;
Described upper grip module comprises the upper walking assembly and the L shaped upper tong arm that is fixedly connected on walking assembly below that is located at footstock inside; Be provided with the upper tong arm drive unit on the bottom surface that is fixedly connected on footstock between a pair of described L shaped upper tong arm, offer some upper sliding trays to the center of pointing to described upper tong arm drive unit in described footstock; A pair of described upper walking assembly is along the Central Symmetry of described upper tong arm drive unit, and described upper walking assembly is located in described upper sliding tray and can does straight reciprocating motion in sliding tray on described;
Described lower grip module comprises the lower walking assembly and the L shaped lower tong arm that is fixedly connected on lower walking assembly below that is located at base inside; Be provided with the lower tong arm drive unit on the end face that is fixedly connected on base between a pair of described L shaped lower tong arm, offer some lower slider grooves to the center of pointing to described lower tong arm drive unit in described base; A pair of described lower walking assembly is along the Central Symmetry of described lower tong arm drive unit, and described lower walking assembly is located in described lower slider groove and can does straight reciprocating motion in described lower slider groove;
The center of described upper tong arm drive unit is consistent with the center of described lower tong arm drive unit;
Described weld jig two comprises vertically disposed main driving mechanism, some horizontally disposed followers and some clamps; Described main driving mechanism is fixedly connected on the top of described lower tong arm drive unit and consistent with the center of described lower tong arm drive unit;
Some described followers are cross-linked on main driving mechanism and are staggered with described L shaped lower tong arm, and it is consistent away from the jaw height of the end of described main driving mechanism and some clamps that described clamp is connected to described follower;
Described main driving mechanism comprises drive motors and driven wheel, described driven wheel is connected on the output shaft of described drive motors, described follower comprises worm gear and the worm screw adaptive with described driven wheel, makes described driven wheel can drive some described worm screws and carries out simultaneously horizontal displacement.
2. the weld jig of a kind of grading ring according to claim 1, it is characterized in that, described upper tong arm drive unit comprises upper fixed block and the some springs on the bottom surface that is fixedly connected on described footstock, makes described L shaped upper tong arm outwards strut under the driving of spring;
Described lower tong arm drive unit comprises lower fixed block and the some springs on the end face that is fixedly connected on described base, makes described L shaped lower tong arm outwards strut under the driving of spring.
3. the weld jig of a kind of grading ring according to claim 1, it is characterized in that, described upper tong arm drive unit comprises and is fixedly connected on the upper electromagnet on described footstock bottom surface and is fixedly connected on described L shaped upper tong arm towards the upper magnet of described upper electromagnet one side;
Described lower tong arm drive unit comprises the lower electromagnet that is fixedly connected on described base top surface and is fixedly connected on described L shaped lower tong arm towards the lower magnet of described lower electromagnet one side.
4. the weld jig of a kind of grading ring according to claim 1, is characterized in that, described upper walking assembly comprises at least two pairs of highly consistent, equal-sized upper directive wheels, and is some to being fixedly connected with by cross tube between described upper directive wheel;
Described lower walking assembly comprises at least two pairs of highly consistent, equal-sized lower directive wheels, and is some to being fixedly connected with by sheer pole between described lower directive wheel.
5. the weld jig of a kind of grading ring according to claim 1, it is characterized in that, be connected by upper arrangement for adjusting height between described L shaped upper tong arm and upper walking assembly, described upper arrangement for adjusting height comprises the upper hydraulic cylinder and the upper hydraulic stem that is fixedly connected on L shaped upper tong arm top that is fixedly connected on the cross tube middle part, drives described L shaped upper tong arm by upper arrangement for adjusting height and moves up and down;
Be connected by lower arrangement for adjusting height between described L shaped lower tong arm and lower walking assembly, described lower arrangement for adjusting height comprises the lower hydraulic cylinder and the lower hydraulic stem that is fixedly connected on L shaped lower tong arm bottom that is fixedly connected on the sheer pole middle part, drives described L shaped lower tong arm by lower arrangement for adjusting height and moves up and down.
6. the weld jig of a kind of grading ring according to claim 1, is characterized in that, the diameter of described driven wheel is less than the diameter of described worm gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310092738.0A CN103121155B (en) | 2013-03-21 | 2013-03-21 | A kind of weld jig of grading ring |
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| CN201310092738.0A CN103121155B (en) | 2013-03-21 | 2013-03-21 | A kind of weld jig of grading ring |
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| CN103121155B CN103121155B (en) | 2016-02-03 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105345347A (en) * | 2015-11-19 | 2016-02-24 | 河南平高电气股份有限公司 | Welding clamp for grading ring |
| CN114284008A (en) * | 2021-12-06 | 2022-04-05 | 扬州市玉宇电器有限公司 | Double-layer compression ring for uniform high-voltage power transmission |
| CN116511800A (en) * | 2023-05-30 | 2023-08-01 | 扬州安顺电气有限公司 | Intelligent processing equalizing ring clamping equipment and manufacturing method thereof |
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| CN201702540U (en) * | 2010-07-08 | 2011-01-12 | 昆山华恒工程技术中心有限公司 | Automatic pipe welding pliers for circular seams |
| CN201956145U (en) * | 2011-03-01 | 2011-08-31 | 中国南方电网有限责任公司超高压输电公司 | Equalizing ring for triplet strain insulator-string |
| CN102615455A (en) * | 2012-04-18 | 2012-08-01 | 黄华东 | Inner and outer circle welding benches for sheet of heat exchanger |
| CN203184876U (en) * | 2013-03-21 | 2013-09-11 | 江苏勇龙电气有限公司 | Welding clamp of grading rings |
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| CN105345347A (en) * | 2015-11-19 | 2016-02-24 | 河南平高电气股份有限公司 | Welding clamp for grading ring |
| CN105345347B (en) * | 2015-11-19 | 2017-07-07 | 河南平高电气股份有限公司 | A kind of grading ring weld jig |
| CN114284008A (en) * | 2021-12-06 | 2022-04-05 | 扬州市玉宇电器有限公司 | Double-layer compression ring for uniform high-voltage power transmission |
| CN114284008B (en) * | 2021-12-06 | 2024-02-09 | 扬州市玉宇电器有限公司 | Double-layer compression ring for uniform high-voltage power transmission |
| CN116511800A (en) * | 2023-05-30 | 2023-08-01 | 扬州安顺电气有限公司 | Intelligent processing equalizing ring clamping equipment and manufacturing method thereof |
| CN116511800B (en) * | 2023-05-30 | 2024-01-30 | 扬州安顺电气有限公司 | Intelligent processing equalizing ring clamping equipment and manufacturing method thereof |
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Denomination of invention: Welding fixture of grading rings Effective date of registration: 20200605 Granted publication date: 20160203 Pledgee: Bank of China Limited by Share Ltd. Jiangdu branch Pledgor: JIANGSU YONGLONG ELECTRIC Co.,Ltd. Registration number: Y2020980002807 |
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