CN100480162C - Staircase and girder three-dimensional integral forming device - Google Patents
Staircase and girder three-dimensional integral forming device Download PDFInfo
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- CN100480162C CN100480162C CNB2006101351655A CN200610135165A CN100480162C CN 100480162 C CN100480162 C CN 100480162C CN B2006101351655 A CNB2006101351655 A CN B2006101351655A CN 200610135165 A CN200610135165 A CN 200610135165A CN 100480162 C CN100480162 C CN 100480162C
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Abstract
The invention relates to a truss three-dimension shaper, which comprises upper, middle, and lower truss clampers, wherein the clampers are symmetry arranged at the fixed clamping support and movable clamping support on the support base, with upper and lower positioning locks; the align blocks at the bottom of support base roll along two sides of align track; the movable clamping support uses gear fixed in the bottom support and meshed tooth base on the support base to move the support on the track. The invention has accurate position and simple adjustment, without deformed welding part.
Description
Technical field
The present invention relates to a kind of processing unit (plant) that is used for moving staircase girders, the particularly a kind of staircase and girder three-dimensional integral forming device that can realize accurate positioning, significantly improve crudy and work efficiency.It is applicable to the manufacturing of the staircase and girder of escalator and moving sidewalk.
Background technology
At present, with the quickening pace of modern life, for safety quick, carry out moving of the stream of people in the building easily and effectively, escalator is at the supermarket, public places such as market, hospital and large-scale public place of entertainment extensively are applied, the manufacture of escalator develops rapidly.Be the in-use performance that improves escalator and crudy, operating efficiency, three-dimensional staircase and girder has become the comparatively crucial parts that escalator is made.Existing three-dimensional staircase and girder all is by two two-dimentional monolithic staircase and girders and mutual attaching parts assembled formation.And staircase and girder two dimension monolithic generally all adopts the machine-shaping of conventional mold branch, the top truss joint, middle part truss joint, bottom truss joint that are about to staircase and girder two dimension monolithic be respectively with local mold processing, and each truss joint that will shape again docks on request soldering group dresses up two-dimentional monolithic.The moulding of three-dimensional staircase and girder is with two two-dimentional monolithics and therebetween each attaching parts, by simple fixedly mold support, with the method for manual overall package, utilizes fastener and welding process to dock moulding.There is following defective in this traditional job operation: the two-dimentional monolithic that 1, utilizes local mold to process, each truss joint falls behind because of technology, no standard mold clamping and positioning, the joint accumulated error is bigger, the position of each truss joint end between two two-dimentional monolithics is not easy to align, can't realize normalisation, the universalization of each two-dimentional monolithic, increase the stack-mounted difficulty, influence the interchangeability of each two-dimentional monolithic.2, during the three-dimensional staircase and girder of two two-dimentional monolithic moulding, handwork is cumbersome, and labour intensity is big, supports that the mold accuracy of positioning is poor, operating efficiency is lower; Add the staircase and girder two dimension monolithic of manual assembly welding moulding, the dimension limit behind each truss joint welding fabrication is bigger, is easy to generate distortion, and is difficult to adjust, so with the three-dimensional staircase and girder of this two-dimentional monolithic moulding, its quality just is difficult to assurance.Therefore, when with the lower three-dimensional staircase and girder recomposition escalator of this quality, will make the bad stability of truss, this not only can have a strong impact on the installation quality and the in-use performance thereof of staircase driving device, and can destroy the stationary performance of escalator operation.Relatively poor because of the general interchangeability of related components of forming three-dimensional staircase and girder, assembly precision is low, so also increased the difficulty of changing parts when escalator is safeguarded.
Summary of the invention
The purpose of this invention is to provide a kind of staircase and girder three-dimensional integral forming device, the Mismachining tolerance that it has solved existing truss forming existence effectively is bigger, problems such as assembly precision is low, has accurate positioning, easy to adjust, each truss joint welding is not easy distortion, help realizing the assembling of truss parts, the general interchangeability of safeguarding, significantly improve the advantage of crudy, assembly precision and the operating efficiency of truss, guarantee the safety and stability of escalator operation and easy to maintenance.
The object of the present invention is achieved like this: this device comprises top truss joint clamping mechanism, middle part truss joint clamping mechanism, bottom truss joint clamping mechanism three parts, the roller of the supporting seat bottom of described each clamping mechanism is locked on the orbit by locking block, top positioning and locking device and bottom positioning and locking device are symmetricly set on respectively on the relative position that fixes to clamp frame and movable clamping support on the described supporting seat, described supporting seat bottom be oppositely arranged to middle pulley, respectively along centering slide rail two side rolls on the stay bearing plate of supporting seat below, described movable clamping support utilization fix the gear in its support body bottom bracket and the supporting seat that is meshed with it on tooth bar, drive the T type open slot slide rail that its support body edge is fixed on the supporting seat and move.It is to adopt two truss two dimension monolithics of " staircase and girder two dimension monolithic shaped device " preparation, utilize top truss joint clamping mechanism, middle part truss joint clamping mechanism, the bottom truss joint clamping mechanism of this three-dimensional integral forming device, respectively location, clamping, lock this two truss two dimension monolithics, be processed into the three-dimension integrally staircase and girder.
The described top positioning and locking device that fixes to clamp frame or movable clamping support that is arranged on, comprise the locking base plate that has horizontal slotted hole and will lock base plate and be fixed on T type bolt on the positioning and locking slideway of support body, be hinged on the locating piece of locking on the base plate by bearing pin, have the lock bracket of locking adjusting lever and utilize rotating shaft to be hinged on the locking base plate.
The described bottom positioning and locking device that fixes to clamp frame or movable clamping support that is arranged on, comprise the locking base plate that has horizontal slotted hole and will lock base plate and be fixed on T type bolt on the support body, be hinged on the locating piece of locking on the base plate by bearing pin, be assembled in support body bottom and drive its axially movable locking and adjust slide bar, be arranged on locking and adjust the axial restraint of slide bar one end and have a latch segment of locking adjusting lever around what shaft centre line rotated to adjust screw rod.
Described movable clamping support by being connected support body bottom bracket two inboards V-type locking slide block and the T type bolt in the groove of the T type open slot slide rail that is inserted into supporting seat, lock.
Because the present invention at first adopts two truss two dimension monolithics of " staircase and girder two dimension monolithic shaped device " preparation, so it is bigger fundamentally to have solved the Mismachining tolerance of existing truss two dimension monolithic existence, problem such as yielding improves truss two dimension monolithic crudy, assembly precision; Utilize top truss joint clamping mechanism, middle part truss joint clamping mechanism, the bottom truss joint clamping mechanism of this three-dimensional integral forming device then, location, clamping, two truss two dimensions of locking monolithic respectively, accurate positioning; Press the designing requirement of staircase and girder global formation again, utilize each clamping mechanism symmetry to divide to be listed in and fix to clamp frame and movable clamping support on the supporting seat separately, and be separately positioned on top positioning and locking device and bottom positioning and locking device on each clamping support, position to each link is suitably adjusted, and can be processed into the three-dimension integrally staircase and girder that conforms to quality requirements.This device is easy to adjust, guarantee that each truss joint welding is not easy distortion, thereby help realizing the assembling of truss parts, the general interchangeability of safeguarding, significantly improve crudy, assembly precision and the operating efficiency of truss, guarantee the safety and stability of escalator operation and easy to maintenance.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further described.
Fig. 1 is a kind of concrete structure scheme drawing of staircase and girder two dimension monolithic shaped device.
Fig. 2 is a kind of structural representation of positioning and clamping mechanism and positioning and locking device among Fig. 1.
Fig. 3 is the P portion structure for amplifying scheme drawing of Fig. 2.
Fig. 4 is that the E of Fig. 1 is to view.
Fig. 5 is that the F of Fig. 1 is to view.
Fig. 6 is a kind of structural representation of staircase and girder three-dimensional integral forming device of the present invention.
Fig. 7 is that A, the B of Fig. 6 is to view.
Fig. 8 is that the C of Fig. 6 is to view.
Fig. 9 is the M portion structure for amplifying scheme drawing of Fig. 8.
Figure 10 is the Q portion structure for amplifying scheme drawing of Fig. 8.
Figure 11 is the N portion structure for amplifying scheme drawing of Fig. 8.
Figure 12 is the cutaway view of Fig. 7 along the H-H line.
Figure number explanation: 1 positioning and clamping mechanism, 2 positioning and locking devices, 3 fixed supports, 4 slide plates, 5 top truss joint movable heads, 6 arc tracks, 7 movable heads support, 8 arc tracks, 9 S. A.s, 10 fixed head, 11 positioning guide rails, 12 middle part truss joint movable heads, 13 S. A.s, 14,15 arc tracks, 16 bottom truss joint movable heads, 17 bottom truss joint fixed head, 18 spliced slideways, 19 bolsters, 20 rollers, 21 rotating shafts, 22 bearings, 23 base-plates, 24 adjust screw rod, 25 adjust handle, 26 equilibrium arms, 27 swivel bases, 28 locking levers, 29 movable head supports, 30 movable head rollers, 31 horizontal jackscrews, 32 sliding supports, 33 rollers, 34 support posts, 35 activity orientation pieces, 36 movable head supports, 37 locking blocks, 38 rollers, 39 orbits, 40 stay bearing plates, 41 centering slide rails, 42 pairs of middle pulleys, 43 guide plates, 44 top truss joint clamping mechanisms, 45 positioning and locking slideways, 46 top positioning and locking devices, 47 bottom positioning and locking devices, 48 middle part truss joint clamping mechanisms, 49 bottom truss joint clamping mechanisms, 50 supporting seats, 51 supports, 52 fix to clamp frame, 53 movable clamping supports, 54 T type open slot slide rails, 55 locking base plates, 56 locating pieces, 57 locating piece jackscrews, 58 locking adjusting levers, 59 lock brackets, 60 rotating shafts, 61 latch segments, 62 locking slide bars, 63 gears, 64 manual rotating shafts, 65 tooth bars, 66 T type bolts, 67 V-types locking slide block.
The specific embodiment
Describe the concrete structure of truss forming device of the present invention in detail according to Fig. 1～12.This device is two truss two dimension monolithics that will adopt " staircase and girder two dimension monolithic shaped device " preparation, and the location clamps and is processed into the three-dimension integrally staircase and girder respectively.Should " staircase and girder two dimension monolithic shaped device " apply for a patent simultaneously by the applicant.
Staircase and girder two dimension monolithic shaped device mainly be according to staircase and girder two dimension monolithic top truss joint, middle part truss joint, bottom truss joint respectively save constructional feature, design-calculated is carried out in the problem and the operational inconvenience that take into full account existing fixedly mold existence.It comprises fixed support 3 and assembles top truss joint fixed head 10 on it and parts such as movable head 5, middle part truss joint movable head 12, bottom truss joint fixed head 17 and movable head 16, arc track 6,8,14,15, slide plate 4.Wherein upper and lower part truss joint fixed head 10,17 utilizes S. A. 9,13 hinge base separately to have the movable head 5,16 of roller 30 respectively.Move on roller 30 edges of each movable head support 29,36 bottom arc track separately, drives each movable head 5,16 and rotate around S. A. 9,13 respectively, so that adjust top truss joint, the required angle of inclination of bottom truss section header portion according to designing requirement.Top truss joint movable head support 29 connects with sliding support 32 by horizontal jackscrew 31, and the roller 33 that is arranged on sliding support 32 bottoms moves along slide plate 4.The arc track 6,8 of top truss joint movable head 5 is fixed on movable head support 7 and reaches on the same horizontal surface of the sliding support 32 that be arranged in parallel with its sidepiece.The arc track 14,15 of bottom truss joint movable head 16 is fixed on the support post 34.Between the truss joint fixed head 10,17 of upper and lower part spliced slideway 18 is set, and the top truss joint fixed head 10 and the roller 20 of middle part truss joint movable head 12 bottoms are moved along slideway 18, bottom truss joint fixed head 17 maintains static.A plurality of middle parts truss joint movable head 12 can slide on slideway 18, and along with the difference of middle part truss joint structure, the quantity of movable head 12 can be along with increasing, subtract and moving freely, and when waiting middle part truss joint to reach desired size, can use positioning and locking device 2 locked.When middle part truss joint change in size, bottom truss joint is motionless, top truss joint can move along slideway 18 on top truss joint fixed head 10 and middle part truss joint movable head 12, center with two S. A.s 9,13 is a bench mark, measure distance between two bench marks, guarantee the variation of middle part truss joint size with this.When moving into place,, can prevent play with positioning and locking device 2 locked top truss joint fixed head 10 and middle part truss joint movable head 12.Because sliding support 32 supports 7 sidepiece secured in parallel with movable head, strong like this assurance sliding support 32 and slideway 18 parallel moving.This positioning and locking device comprises that the equilibrium arm 26 that is hinged on the roller 20 base-plates 23 below swivel bases 27 that move along spliced slideway 18, the top that is assembled in equilibrium arm 26 1 ends point to the locking lever 28 of spliced slideway 18, be assembled in the adjustment screw rod of adjusting vertically 24 of equilibrium arm 26 other ends as shown in Figure 3.Rotate and adjust handle 25, make and adjust screw rod 24 top upper bracket base plates 23, opposite side locking lever 28 contacts and clamps with slideway 18, has so just located.Wherein roller 20 is fixed on the bearing 22 by bolster 19, and bearing 22 is fixed on top truss joint fixed head 10 and middle part truss joint movable head 12 bottoms.Base-plate 23 is welded on the bearing 22, and swivel base 27 is fixed on the support base plate 23 by rotating shaft 21.The positioning and clamping mechanism 1 that is provided with on the truss joint movable head 12 of middle part is identical with the structure that the upper and lower part truss saves each positioning and clamping mechanism 1 that is provided with on fixed head 10,17, the movable head 5,16, and its each positioning guide rail 11 faces are on the same horizontal surface.Be distributed in positioning and clamping mechanism 1 in each one comprise the location of symmetric arrangement and clamp truss rectangle master square tube binding clasp, be arranged on two positioning guide rails 11 between two binding clasps and be inserted into the activity orientation piece 35 that is used for locating each connection pipe between the main square tube in every positioning guide rail guide groove, push bolt on the binding clasp is adjusted vertically, so that adjust the distance between push bolt top and main square tube at any time, after adjusting, the activity orientation piece is locked, guarantees to compress quality.When the model specification of truss two dimension monolithic is the same, can improve shaping work efficient greatly.
Will be by the two-dimentional monolithics of two truss that said apparatus is made, the location is clamped on the staircase and girder three-dimensional integral forming device respectively, can be processed into the three-dimension integrally staircase and girder.This device comprises a top truss joint clamping mechanism 44, a plurality of middle parts truss joint clamping mechanism 48, bottom truss joint clamping mechanism 49 three parts.The structure of its middle and upper part truss joint clamping mechanism 44, bottom truss joint clamping mechanism 49 is identical, and the shape that fixes to clamp frame 52 and movable clamping support 53, the size of truss joint clamping mechanism 48 in middle part on supporting seat 50 slightly had any different, all the other structures were identical.The roller 38 of supporting seat 50 bottoms in each clamping mechanism can be locked on the orbit 39 by locking block 37.Symmetry is divided the relative position that fixes to clamp frame 52 and movable clamping support 53 that is listed on the described supporting seat 50, and top positioning and locking device 46 and bottom positioning and locking device 47 are set respectively.Supporting seat 50 bottoms be oppositely arranged to middle pulley 42, respectively along 41 liang of side rolls of the centering slide rail on the stay bearing plate 40 of supporting seat 50 belows.Movable clamping support 53 utilizes the tooth bar 65 on the supporting seat 50 of fixing the gear 63 in its support body bottom bracket 51 and being meshed with it, drives its support body and moves along the T type open slot slide rail 54 that is fixed on the supporting seat 50.This three-dimensional integral forming device is two truss two dimension monolithics of above-mentioned with adopting " staircase and girder two dimension monolithic shaped device " preparation, utilize top truss joint clamping mechanism 44, middle part truss joint clamping mechanism 48, the bottom truss joint clamping mechanism 49 of this device, the two truss two dimensions in location, clamping, locking monolithic respectively, its location is very accurate.Press the designing requirement of staircase and girder global formation again, utilize each clamping mechanism symmetry to divide to be listed in and fix to clamp frame 52 and movable clamping support 53 on the supporting seat 50 separately, and be separately positioned on top positioning and locking device 46 and bottom positioning and locking device 47 on each clamping support, position to each link is suitably adjusted, and can be processed into the three-dimension integrally staircase and girder that conforms to quality requirements.
The above-mentioned top positioning and locking device 46 that fixes to clamp frame 52 or movable clamping support 53 that is arranged on, comprise the locking base plate 55 that has horizontal slotted hole (not shown) and will lock base plate 55 and be fixed on T type bolt on the positioning and locking slideway 45 of support body, be hinged on the locating piece 56 of locking on the base plate 55 by bearing pin, have the lock bracket 59 of locking adjusting lever 58 and utilize rotating shaft 60 to be hinged on the locking base plate 55.
The above-mentioned bottom positioning and locking device 47 that fixes to clamp frame 52 or movable clamping support 53 that is arranged on, comprise the locking base plate 55 that has horizontal slotted hole and will lock base plate 55 and be fixed on T type bolt on the support body, be hinged on the locating piece 56 of locking on the base plate 55 by bearing pin, be assembled in support body bottom and drive its axially movable locking and adjust slide bar 62, be arranged on locking and adjust the axial restraint of slide bar 62 1 ends and have a latch segment 61 of locking adjusting lever around what shaft centre line rotated to adjust screw rod.
During the three-dimensional truss global formation of staircase, at first adjust the position of the required middle part truss joint clamping mechanism 48 of truss two dimension monolithic middle part truss joint, be the former stationary states of bottom truss joint clamping mechanism 49 basic maintenances, can save clamping mechanism 44 by sway top truss, the quantity of middle part truss joint clamping mechanism 48 can increase and decrease as required, adjust when moving its support body, unscrewing locking block 37 can promote, roller 38 rolls on orbit 39, supporting seat 50 bottoms be oppositely arranged to middle pulley 42, respectively along 41 liang of side rolls of the centering slide rail on the stay bearing plate 40 of supporting seat 50 belows.Can guarantee that like this moving with orbit 39 of each clamping mechanism support body is perpendicular, after adjusting to the right place, locking locking block 37 gets final product.
Adjust the angle of the required corresponding site in upper and lower part truss joint clamping mechanism 44,49 of truss two dimension monolithic middle part truss joint then, be upper and lower part truss joint clamping mechanism 44,49 and the formed angle of middle part truss joint clamping mechanism 48 diff-Hs, can regulate by being arranged on the top positioning and locking device 46 that fixes to clamp frame 52 or movable clamping support 53, adjustment is fixed on the locking base plate 55 on the positioning and locking slideway 45 of support body, clamp slideway 45 upper and lower slips in the location, after angular adjustment put in place, the tommyhead bolt of tightening on the locking base plate 55 got final product.
Be placed on distance between two truss two dimension monolithics on each truss joint clamping mechanism by the designing requirement adjustment again, promptly adjust symmetry branch on each truss joint clamping mechanism and be listed in and fix to clamp frame 52 and movable clamping support 53 on the supporting seat 50 separately.The position that fixes to clamp frame 52 is motionless, and adjustment activity clamping support 53 is twisted manual rotating shaft 64 with removing son earlier, rely on the engaged transmission of gear 63 and tooth bar 65, the slide block 67 of V-type locking simultaneously moves on T type open slot slide rail 54, and after adjusting to the right place, locked manual rotating shaft 64 gets final product.Regulate as the needs trace, then can regulate by the top positioning and locking device 46 and the bottom positioning and locking device 47 that are arranged on each clamping support.
The clamping base plate 55 of top positioning and locking device 46 can be up and down, fixes by tommyhead bolt.Clamping on the base plate 55 has horizontal slotted hole, during the width of the fine setting left and right sides, can lean on horizontal slotted hole left and right adjusting.Locating piece 56 with clamp base plate 55 and connect by bearing pin, can rotate, time spent not, vertical placement, the time spent changes, and leans on locating piece jackscrew 57 maintenance levels.When clamping the square tube of truss two dimension monolithic, square tube contacts with locating piece 56, and lock bracket 59 can 60 go back to around the shaft, and square tube is embraced, and twists locking adjusting lever 58 with hand, will force square tube and locating piece 56 to be close to, and adjusts to required design size.
Bottom positioning and locking device 47, basic identical with top positioning and locking device 46 structures, different is that its lock bracket 59 and locking thereof are adjusted slide bar 58, changes latch segment 61 and locking adjustment slide bar 62 into.The method of adjustment of the two is the same.
During construction, for guaranteeing that each truss after the processing saves dimensional characteristic up to specification, can adjust clamping mechanism or positioning and locking device by standard-required, on standard basis, reserve certain amount of contraction, difference according to split, the difference in season is determined corresponding amount of contraction numerical value, and the such moulding of truss just can reach the requirement of drawing.Truss two dimension monolithic by real, after locking block 37 clampings, can also carry out flame correction to deformation point with the acetylene flame with positioning and locking device, discharges stress, makes truss two dimension monolithic straightness accuracy satisfy the requirement of standard code.During the big angle steel that is locked of the upper and lower part truss joint of welded frame, two-sided balanced welding is carried out in first spot welding again, with little electric current bottoming, welds entirely again, is easy to reach the weld bead height of drawing requirement.
Claims (4)
1, a kind of staircase and girder three-dimensional integral forming device, it is characterized in that: comprise top truss joint clamping mechanism, middle part truss joint clamping mechanism, bottom truss joint clamping mechanism three parts, the roller of the supporting seat bottom of described each clamping mechanism is locked on the orbit by locking block, top positioning and locking device and bottom positioning and locking device are symmetricly set on respectively on the relative position that fixes to clamp frame and movable clamping support on the described supporting seat, described supporting seat bottom be oppositely arranged to middle pulley, respectively along centering slide rail two side rolls on the stay bearing plate of supporting seat below, described movable clamping support utilization be fixed on the gear in the support body bottom bracket and the supporting seat that is meshed with it on tooth bar, drive the T type open slot slide rail that its support body edge is fixed on the supporting seat and move.
2, staircase and girder three-dimensional integral forming device according to claim 1, it is characterized in that: the described top positioning and locking device that fixes to clamp frame or movable clamping support that is arranged on, comprise the locking base plate that has horizontal slotted hole and will lock base plate and be fixed on T type bolt on the positioning and locking slideway of support body, be hinged on the locating piece of locking on the base plate by bearing pin, have the lock bracket of locking adjusting lever and utilize rotating shaft to be hinged on the locking base plate.
3, staircase and girder three-dimensional integral forming device according to claim 2, it is characterized in that: the described bottom positioning and locking device that fixes to clamp frame or movable clamping support that is arranged on, comprise the locking base plate that has horizontal slotted hole and will lock base plate and be fixed on T type bolt on the support body, be hinged on the locating piece of locking on the base plate by bearing pin, be assembled in support body bottom and drive its axially movable locking and adjust slide bar, be arranged on locking and adjust the axial restraint of slide bar one end and have a latch segment of locking adjusting lever around what shaft centre line rotated to adjust screw rod.
4, staircase and girder three-dimensional integral forming device according to claim 2, it is characterized in that: described movable clamping support by being connected support body bottom bracket two inboards V-type locking slide block and the T type bolt in the groove of the T type open slot slide rail that is inserted into supporting seat, lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101351655A CN100480162C (en) | 2006-12-29 | 2006-12-29 | Staircase and girder three-dimensional integral forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101351655A CN100480162C (en) | 2006-12-29 | 2006-12-29 | Staircase and girder three-dimensional integral forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1994846A CN1994846A (en) | 2007-07-11 |
| CN100480162C true CN100480162C (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101351655A Expired - Fee Related CN100480162C (en) | 2006-12-29 | 2006-12-29 | Staircase and girder three-dimensional integral forming device |
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| CN (1) | CN100480162C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759806B (en) * | 2015-03-12 | 2016-04-20 | 广州广日电梯工业有限公司 | Escalator 3D assembly tooling fixture |
| CN106238971A (en) * | 2016-08-16 | 2016-12-21 | 广东广都电扶梯部件有限公司 | Escalator frame and the welding method of base plate |
| CN106078062A (en) * | 2016-08-24 | 2016-11-09 | 苏州新达电扶梯部件有限公司 | A kind of top 3D welding tooling |
| CN108723739B (en) * | 2018-07-27 | 2023-06-02 | 杭州西奥电梯有限公司 | Assembly fixture and assembly method for bus type escalator handrail cover plate bracket |
| CN109304591B (en) * | 2018-11-20 | 2024-02-09 | 广州广日电梯工业有限公司 | Comb plate assembly tooling structure of escalator |
| CN112539910B (en) * | 2020-12-03 | 2023-01-24 | 中国航天空气动力技术研究院 | Gas vane force measurement test support |
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2006
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| CN1994846A (en) | 2007-07-11 |
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