CN203184876U - Welding clamp of grading rings - Google Patents
Welding clamp of grading rings Download PDFInfo
- Publication number
- CN203184876U CN203184876U CN 201320131823 CN201320131823U CN203184876U CN 203184876 U CN203184876 U CN 203184876U CN 201320131823 CN201320131823 CN 201320131823 CN 201320131823 U CN201320131823 U CN 201320131823U CN 203184876 U CN203184876 U CN 203184876U
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- tong arm
- fixedly connected
- grading ring
- drive unit
- shaped
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Abstract
The utility model discloses a welding clamp of grading rings. The welding clamp is simple in structure and can guarantee that the axis of a grading ring on an upper layer is consistent with that of a grading ring on a lower layer after the grading ring on the upper layer and the grading ring on the lower layer are welded with side columns, the axis of the grading ring on the lower layer is consistent with that of a circumference formed by a plurality of connecting pieces, and meanwhile the welding clamp of the grading rings cannot be affected by cooling shrinkage deformation after the process of welding. The grading rings are divided into the upper layer and the lower layer, the grading ring on the upper layer is fixedly connected above the grading ring on the lower layer through a plurality of side columns, and the inner wall of the grading ring on the lower layer is fixedly connected with the connecting pieces. The welding clamp comprises a first welding clamp and a second welding clamp, wherein the first welding clamp is used for welding the grading ring on the upper layer, the grading ring on the lower layer and the side columns, and the second welding clamp is used for welding the grading rings and the connecting pieces. The cooling shrinkage deformation caused by the fact that the temperature of a welding point becomes low is avoided. The welding clamp is suitable for welding double layers of grading rings with different specifications and height distances, and the consistence between the axis of the grading ring on the upper layer and the axis of the grading ring on the lower layer can be effectively guaranteed.
Description
Technical field
The utility model relates to the anchor clamps field, relates 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 the object, and guaranteeing does not have potential difference between each position of annular, thereby reaches the effect of all pressing.It 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. by the use difference.For making grading ring be to use effect better, with two upper and lower piling up of grading ring a, with some lateral column c the two is welded together again usually.
Yet people the time find following problem in operation: one, since grading ring mostly ringwise and size bigger, therefore, with two grading ring stacked on top, the axiality of the two is difficult to be effectively guaranteed, thereby its result of use is significantly reduced; Two, common, after a welding sequence is finished, pad is reduced to low temperature by high temperature, certainly will bring the cooling contraction distortion, the amount of contraction of different pads is also inequality, therefore, and after some lateral column welding are finished, 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, usually with the grading ring a of lower floor by the top that some connector b are fixedly connected on an axis, 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 finished, the axle center of the circumference of its formation is consistent with the axle center of grading ring.
The utility model content
The utility model is at above problem, provide a kind of simple in structure, the axle center unanimity of the circumference that the grading ring that can effectively guarantee simultaneously and lower floor consistent with the axle center of the upper and lower two-layer grading ring in lateral column welding back and some connectors form is cooled off the weld jig of the grading ring that contraction distortion influences after not welded simultaneously.
The technical solution of the utility model 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 for the weld jig one of the upper and lower two-layer grading ring of welding 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 the base top by some guide pillars, and described weld jig one also comprises at least two pairs of staggered grip module and at least two pairs of staggered grip modules down gone up;
The described grip module of going up comprises the upward walking assembly that is located at footstock inside and the L shaped upward tong arm that is fixedly connected on walking assembly below; The a pair of described L shaped last tong arm drive unit that is provided with between the tong arm on the bottom surface that is fixedly connected on footstock of going up offers some to pointing to the described last sliding tray of going up the center of tong arm drive unit in the described footstock; A pair of described upward walking assembly is along the described center symmetry that goes up the tong arm drive unit, and described upward walking assembly is located in the described upward sliding tray and can does straight reciprocating motion in the sliding tray on described;
Described grip module down comprises the following walking assembly that is located at base inside and is fixedly connected on down the L shaped tong arm down of walking assembly below; The a pair of described L shaped following tong arm drive unit that is provided with between the tong arm down on the end face that is fixedly connected on base offers some to pointing to the described lower slider groove at the center of tong arm drive unit down in the described base; The a pair of described assembly of walking down is along the described center symmetry of tong arm drive unit down, and described walking assembly down is located in the described lower slider groove and can does straight reciprocating motion in described lower slider groove;
The center of described upward tong arm drive unit is consistent with the center of described tong arm drive unit down;
Described weld jig two comprises vertically disposed main driving machine structure, some horizontally disposed followers and some clamps; Described main driving machine structure is fixedly connected on the top of described down tong arm drive unit and consistent with the center of described tong arm drive unit down;
Some described followers are cross-linked on the main driving machine structure and with described L shaped tong arm down and interlock, and described clamp is connected described follower away from the end of described main driving machine structure and the jaw height unanimity of some clamps;
Described main driving machine structure 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 horizontal displacement simultaneously.
Described upward tong arm drive unit comprises last fixed block and the some springs on the bottom surface that is fixedly connected on described footstock, makes the described L shaped tong arm of going up outwards strut under the driving of spring;
Described tong arm drive unit down comprises following fixed block and the some springs on the end face that is fixedly connected on described base, makes described L shaped tong arm down outwards strut under the driving of spring.
The described tong arm drive unit of going up comprises the last electromagnet that is fixedly connected on the described footstock bottom surface and is fixedly connected on the described L shaped tong arm of going up towards the described last magnet of going up electromagnet one side;
Described tong arm drive unit down comprises the lower electromagnet that is fixedly connected on the described base top surface and is fixedly connected on described L shaped tong arm down towards the lower magnet of described lower electromagnet one side.
The described walking assembly of going up comprises at least two pairs of highly consistent, equal-sized directive wheels of going up, and at least two pairs described upward fixedly connected by cross tube between the directive wheel;
The described assembly of walking down comprises at least two pairs of highly consistent, equal-sized directive wheels down, and at least two pairs described fixedly connected by sheer pole between the directive wheel down.
Be connected by last arrangement for adjusting height between described L shaped last tong arm and the last walking assembly, the described arrangement for adjusting height of going up comprises the last hydraulic cylinder that is fixedly connected on the cross tube middle part and is fixedly connected on the L shaped last hydraulic stem of going up the tong arm top, drives the described L shaped tong arm of going up by last arrangement for adjusting height and moves up and down;
Be connected by following arrangement for adjusting height between described L shaped tong arm down and the following walking assembly, arrangement for adjusting height comprises the following hydraulic cylinder that is fixedly connected on the sheer pole middle part and the following hydraulic stem that is fixedly connected on L shaped tong arm down bottom under described, drives described L shaped tong arm down by following arrangement for adjusting height and moves up and down.
The diameter of described driven wheel is less than the diameter of described worm gear.
To go up tong arm in the utility model and be made as L shapedly, and make and after welding is finished, can effectively guarantee to be arranged on the grading ring on upper strata and the bottom surface of footstock fits, reduce to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings; It is L shaped to descend tong arm to be made as, and makes can effectively guarantee to be arranged on the grading ring of lower floor and the end face of base fits after welding is finished, and reduces to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings.
The utility model is applicable to the welding between the double-deck grading ring of different size, differing heights spacing, and can effectively guarantee upper and lower two-layer grading ring axle center unanimity.
After welding between upper and lower two-layer grading ring and the lateral column is finished, the connector of packing in the clamp on weld jig two, and unlatching motor, because the main driving machine structure is fixedly connected on down the top of tong arm drive unit and consistent with the center of following tong arm drive unit, be that motor is consistent with the center of following tong arm drive unit, the overhang of each worm screw equates simultaneously; Therefore, can make that the axle center of the circumference that some connectors form is consistent with the axle center of grading ring.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of double-deck grading ring and some connectors in the utility model;
Fig. 3 is the structural representation of weld jig one in the utility model,
Fig. 4 is the vertical 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 utility model,
Fig. 7 is the vertical view of Fig. 6,
Fig. 8 is the structural representation of the walking assembly of weld jig one in the utility model,
Fig. 9 is the vertical view of Fig. 8,
Figure 10 is second kind of embodiment schematic diagram of weld jig one in the utility model;
Figure 11 is the structural representation of weld jig two in the utility model,
Figure 12 is the vertical view of Figure 11.
1 is weld jig one, 11st among the figure, footstock, the 110th, last sliding tray, the 12nd, base, the 120th, lower slider groove, the 13rd, guide pillar;
The 14th, last grip module, the 141st, last walking assembly, the 1411st, last directive wheel, the 1412nd, cross tube, the 142nd, the L shaped tong arm of going up, the 143rd, last tong arm drive unit, 1431-1 are to go up fixed block, and 1431-2 goes up electromagnet, 1432-2 goes up magnet, the 144th, last arrangement for adjusting height, the 1441st, last hydraulic cylinder, the 1442nd, last hydraulic stem;
The 15th, following grip module, the 151st, following walking assembly, the 1511st, following directive wheel, the 1512nd, sheer pole, the 152nd, L shaped tong arm down, the 153rd, following tong arm drive unit, 1531-1 are following fixed blocks, and 1531-2 is lower electromagnet, 1532-2 is lower magnet, the 154th, following arrangement for adjusting height, the 1541st, following hydraulic cylinder, the 1542nd, following hydraulic stem.
The 2nd, weld jig two, 21st, main driving machine structure, 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 utility model is 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 for the weld jig 1 of the upper and lower two-layer grading ring a of welding 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 grip module 14 and at least two pairs of staggered grip modules 15 down gone up;
The described grip module 14 of going up comprises the upward walking assembly 141 that is located at footstock 11 inside and the L shaped tong arm 142 of going up that is fixedly connected on walking assembly 141 belows; To go up tong arm 143 and be made as L shapedly, and make and after welding is finished, can effectively guarantee to be arranged on the grading ring on upper strata and the bottom surface of footstock 11 fits, reduce to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings; The a pair of described L shaped last tong arm drive unit 143 that is provided with between the tong arm 142 on the bottom surface that is fixedly connected on footstock of going up offers some to pointing to the described last sliding tray 110 of going up the center of tong arm drive unit 143 in the described footstock 11; The a pair of described walking assembly 141 of going up is along the described center symmetry that goes up tong arm drive unit 143, the described assembly 141 of upward walking is located at described going up and (makes that going up the assembly 141 of walking only can move along last sliding tray 110, can not produce the play of other directions) in the sliding tray 110 and can do straight reciprocating motion in the sliding tray 110 on described; Make with tong arm on the pair of L-shaped 142 that also along the described center symmetry that goes up tong arm drive unit 143 like this, last tong arm drive unit 143 can drive L shaped last 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 grip module 15 down comprises the following walking assembly 151 that is located at base 12 inside and is fixedly connected on down the L shaped tong arm 152 down of walking assembly 151 belows; It is L shaped to descend tong arm 152 to be made as, and makes can effectively guarantee to be arranged on the grading ring of lower floor and the end face of base 12 fits after welding is finished, and reduces to low temperature to avoid pad by high temperature, and the cooling contraction distortion that brings; The a pair of described L shaped following tong arm drive unit 153 that is provided with between the tong arm 152 down on the end face that is fixedly connected on base 12 offers some to pointing to the described lower slider groove 120 at the center of tong arm drive unit 153 down in the described base 12; The a pair of described assembly 151 of walking down is along the described center symmetry of tong arm drive unit 153 down, described down walking assembly 151 is located at and (makes that walking assembly 151 only can not produce the play of other directions along 120 operations of lower slider groove down) in the described lower slider groove 120 and can seat straight reciprocating motion in described lower slider groove 120; Make with tong arm under the pair of L-shaped 152 that also along the described center symmetry of tong arm drive unit 153 down like this, following tong arm drive unit 153 can drive L shaped tong arm 152 down 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 upward tong arm drive unit 143 is consistent with the center of described tong arm drive unit 153 down.
Described weld jig 22 comprises vertically disposed main driving machine structure 21, some horizontally disposed followers 22 and some clamps 23; Described main driving machine structure 21 is fixedly connected on the top of described down tong arm drive unit 153 and consistent with the center of described tong arm drive unit 153 down;
Some described followers 22 are cross-linked on main driving machine structure 21 and with described L shaped tong arm 152 is staggered down, make each follower 22 can not interfere mutually when operation, described clamp 23 is connected described follower 22 away from the end of described main driving machine structure 21 and the jaw height unanimity of some clamps 23; Then the connector of jaw 23 places clamping also will be on the sustained height;
Described main driving machine structure 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 the worm gear 221 of each follower 22 is all identical with worm screw 222, makes described driven wheel 212 can drive some described worm screws 222 and carries out horizontal displacement simultaneously.After welding between double-deck grading ring a and the lateral column c is finished, connector b packs in the clamp 23 on weld jig 22, and unlatching motor 211, because main driving machine structure 21 is fixedly connected on down the top of tong arm drive unit 153 and consistent with the center of following tong arm drive unit 153, be that motor 211 is consistent with the center of following tong arm drive unit 153, the overhang of each worm screw 222 equates simultaneously; Therefore, can make that the axle center of the circumference that some connector c form is consistent with the axle center of grading ring a.
First of upper and lower tong arm drive unit kind of embodiment in the utility model: described upward tong arm drive unit 143 comprises last fixed block 1431-1 and the some springs on the bottom surface that is fixedly connected on described footstock 11, makes the described L shaped tong arm 142 of going up outwards strut under the driving of spring; Because tong arm 142 is along described center (namely going up the center of the fixed block 1431-1) symmetry that goes up tong arm drive unit 143 on the pair of L-shaped, therefore, when the axle center of the grading ring that is arranged on the upper strata and last fixed block 1431-1 center are inconsistent, then the deflection of some springs does not wait, thereby being applied to the L shaped power that goes up on the tong arm 142 does not wait yet, make grading ring will continue motion under the driving of spring force, L shaped to go up the power that tong arms are subjected to identical until some, i.e. the deflection unanimity of some springs.Like this, it is consistent with last fixed block center to guarantee to be arranged on the axle center of grading ring on upper strata.
Described tong arm drive unit 153 down comprises following fixed block 1531-1 and the some springs on the end face that is fixedly connected on described base 12, makes described L shaped tong arm 152 down outwards strut under the driving of spring.In like manner, it is consistent with following fixed block 1531-1 center also can to guarantee to be arranged on the axle center of grading ring of lower floor.Because the center (namely going up the center of fixed block 1431-1) of last tong arm drive unit 143 is consistent with the center (namely descending the center of fixed block 1531-1) of following tong arm drive unit 153, therefore, can guarantee effectively that upper and lower two-layer grading ring keeps concentric.
Second of upper and lower tong arm drive unit kind of embodiment in the utility model: the described tong arm drive unit 143 of going up comprises the last electromagnet 1431-2 that is fixedly connected on described footstock 11 bottom surfaces and is fixedly connected on the described L shaped tong arm 142 of going up towards the described last magnet 1432-2 that goes up electromagnet 1431-2 one side; When last electromagnet 1431-2 is identical with described last magnet 1432-2 near the described L shaped magnetic that goes up tong arm 142 1 sides, the L shaped tong arm 142 of going up can outwards strut, at this moment, axle center and last fixed block center as if the grading ring that is arranged on the upper strata are inconsistent, it is then some that to go up the repulsive force that magnet 1432-2 are subjected to also inconsistent, the grading ring that is arranged on the upper strata will continue motion under the effect of repulsive force, consistent with the center of last tong arm drive unit 143 until the axle center of the grading ring that is arranged on the upper strata; When last electromagnet 1431-2 is different with the described magnet 1432-2 of going up near the described L shaped magnetic that goes up tong arm 142 1 sides, recoverable L shaped on tong arm 142, thereby can take out the grading ring that is arranged on the upper strata.
Described tong arm drive unit 153 down comprises the lower electromagnet 1531-2 that is fixedly connected on described base 12 end faces and is fixedly connected on described L shaped tong arm 152 down towards the lower magnet 1532-2 of described lower electromagnet 1531-2 one side.In like manner, L shaped down tong arm 152 also can strut under the driving of tong arm drive unit 153 down, thereby the axle center of grading ring of guaranteeing to be arranged on lower floor is consistent with the center of following tong arm drive unit 153, and then guarantees upper and lower two-layer grading ring concentric; Or under the driving of following tong arm drive unit 153, regain, thereby can take out the grading ring that is arranged on lower floor.
The described walking assembly 141 of going up comprises at least two pairs of highly consistent, equal-sized directive wheels 1411 of going up, and at least two pairs described upward fixedly connected by cross tube 1412 between the directive wheel 1411; Effectively avoided the L shaped tong arm 142 of going up to produce upset in stressed back.
The described assembly 151 of walking down comprises that 1511, at least two pairs of at least two pairs of highly consistent, equal-sized directive wheels down are described fixedly connected by sheer pole 1512 between the directive wheel 1511 down.Effectively avoided L shaped tong arm 152 down to produce upset in stressed back.
Be connected by last arrangement for adjusting height 144 between described L shaped last tong arm 142 and the last walking assembly 141, the described arrangement for adjusting height 144 of going up comprises the last hydraulic cylinder 1441 that is fixedly connected on cross tube 1412 middle parts and is fixedly connected on the L shaped last hydraulic stem 1442 of going up tong arm 142 tops, drives the described L shaped tong arm 142 of going up by last arrangement for adjusting height and moves up and down; When the axle center of the grading ring that is arranged on the upper strata with after the center of last tong arm drive unit is consistent, can move upward by the L shaped tong arm of going up of last arrangement for adjusting height control, clamp and guarantee to be arranged on the grading ring on upper strata and the bottom surface of footstock remains applying.
Be connected by following arrangement for adjusting height 154 between described L shaped tong arm 152 down and the following walking assembly 151, described arrangement for adjusting height 154 down comprises the following hydraulic cylinder 1541 that is fixedly connected on sheer pole 1512 middle parts and is fixedly connected on the L shaped following hydraulic stem 1542 of tong arm 152 bottoms down, drives described L shaped tong arm 152 down by following 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 following 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 machine structure 21 generation movement interferences.
Claims (6)
1. the weld jig of 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 for the weld jig one of the upper and lower two-layer grading ring of welding 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 the base top by some guide pillars, and described weld jig one also comprises at least two pairs of staggered grip module and at least two pairs of staggered grip modules down gone up;
The described grip module of going up comprises the upward walking assembly that is located at footstock inside and the L shaped upward tong arm that is fixedly connected on walking assembly below; The a pair of described L shaped last tong arm drive unit that is provided with between the tong arm on the bottom surface that is fixedly connected on footstock of going up offers some to pointing to the described last sliding tray of going up the center of tong arm drive unit in the described footstock; A pair of described upward walking assembly is along the described center symmetry that goes up the tong arm drive unit, and described upward walking assembly is located in the described upward sliding tray and can does straight reciprocating motion in the sliding tray on described;
Described grip module down comprises the following walking assembly that is located at base inside and is fixedly connected on down the L shaped tong arm down of walking assembly below; The a pair of described L shaped following tong arm drive unit that is provided with between the tong arm down on the end face that is fixedly connected on base offers some to pointing to the described lower slider groove at the center of tong arm drive unit down in the described base; The a pair of described assembly of walking down is along the described center symmetry of tong arm drive unit down, and described walking assembly down is located in the described lower slider groove and can does straight reciprocating motion in described lower slider groove;
The center of described upward tong arm drive unit is consistent with the center of described tong arm drive unit down;
Described weld jig two comprises vertically disposed main driving machine structure, some horizontally disposed followers and some clamps; Described main driving machine structure is fixedly connected on the top of described down tong arm drive unit and consistent with the center of described tong arm drive unit down;
Some described followers are cross-linked on the main driving machine structure and with described L shaped tong arm down and interlock, and described clamp is connected described follower away from the end of described main driving machine structure and the jaw height unanimity of some clamps;
Described main driving machine structure 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 horizontal displacement simultaneously.
2. the weld jig of grading ring according to claim 1 is characterized in that, described upward tong arm drive unit comprises last fixed block and the some springs on the bottom surface that is fixedly connected on described footstock, makes the described L shaped tong arm of going up outwards strut under the driving of spring;
Described tong arm drive unit down comprises following fixed block and the some springs on the end face that is fixedly connected on described base, makes described L shaped tong arm down outwards strut under the driving of spring.
3. the weld jig of grading ring according to claim 1, it is characterized in that the described tong arm drive unit of going up comprises the last electromagnet that is fixedly connected on the described footstock bottom surface and is fixedly connected on the described L shaped tong arm of going up towards the described last magnet of going up electromagnet one side;
Described tong arm drive unit down comprises the lower electromagnet that is fixedly connected on the described base top surface and is fixedly connected on described L shaped tong arm down towards the lower magnet of described lower electromagnet one side.
4. the weld jig of grading ring according to claim 1 is characterized in that, the described walking assembly of going up comprises at least two pairs of highly consistent, equal-sized directive wheels of going up, and at least two pairs described upward fixedly connected by cross tube between the directive wheel;
The described assembly of walking down comprises at least two pairs of highly consistent, equal-sized directive wheels down, and at least two pairs described fixedly connected by sheer pole between the directive wheel down.
5. the weld jig of grading ring according to claim 1, it is characterized in that, be connected by last arrangement for adjusting height between described L shaped last tong arm and the last walking assembly, the described arrangement for adjusting height of going up comprises the last hydraulic cylinder that is fixedly connected on the cross tube middle part and is fixedly connected on the L shaped last hydraulic stem of going up the tong arm top, drives the described L shaped tong arm of going up by last arrangement for adjusting height and moves up and down;
Be connected by following arrangement for adjusting height between described L shaped tong arm down and the following walking assembly, arrangement for adjusting height comprises the following hydraulic cylinder that is fixedly connected on the sheer pole middle part and the following hydraulic stem that is fixedly connected on L shaped tong arm down bottom under described, drives described L shaped tong arm down by following arrangement for adjusting height and moves up and down.
6. the weld jig 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131823 CN203184876U (en) | 2013-03-21 | 2013-03-21 | Welding clamp of grading rings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320131823 CN203184876U (en) | 2013-03-21 | 2013-03-21 | Welding clamp of grading rings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203184876U true CN203184876U (en) | 2013-09-11 |
Family
ID=49101772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320131823 Withdrawn - After Issue CN203184876U (en) | 2013-03-21 | 2013-03-21 | Welding clamp of grading rings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203184876U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121155A (en) * | 2013-03-21 | 2013-05-29 | 江苏勇龙电气有限公司 | Welding fixture of grading rings |
| CN105149801A (en) * | 2015-09-22 | 2015-12-16 | 唐山轨道客车有限责任公司 | Stretching device for shrinkage distortion of welding piece |
-
2013
- 2013-03-21 CN CN 201320131823 patent/CN203184876U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103121155A (en) * | 2013-03-21 | 2013-05-29 | 江苏勇龙电气有限公司 | Welding fixture of grading rings |
| CN103121155B (en) * | 2013-03-21 | 2016-02-03 | 江苏勇龙电气有限公司 | A kind of weld jig of grading ring |
| CN105149801A (en) * | 2015-09-22 | 2015-12-16 | 唐山轨道客车有限责任公司 | Stretching device for shrinkage distortion of welding piece |
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