CN102431894A - Horizontal wheel displacement adjusting method and displacement-adjustable horizontal wheel group - Google Patents
Horizontal wheel displacement adjusting method and displacement-adjustable horizontal wheel group Download PDFInfo
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- CN102431894A CN102431894A CN2011103746176A CN201110374617A CN102431894A CN 102431894 A CN102431894 A CN 102431894A CN 2011103746176 A CN2011103746176 A CN 2011103746176A CN 201110374617 A CN201110374617 A CN 201110374617A CN 102431894 A CN102431894 A CN 102431894A
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Abstract
The invention relates to displacement adjustment of a horizontal wheel of a crown block traveling mechanism, and discloses a horizontal wheel displacement adjusting method and a displacement-adjustable horizontal wheel group, concretely, a horizontal wheel is connected to a bracket through a wheel shaft, the wheel shaft is an eccentric shaft, the horizontal wheel is arranged at the lower end of the wheel shaft, a screw thread is processed on the outside of the upper end of the wheel shaft, the upper end of the wheel shaft is provided with a nut, and the lower end of the nut is provided with a flange plate; the bracket is provided whit a through hole at the mounting position of the wheel shaft, the nut is arranged on the through hole, and the screw thread is formed on the outside of the wheel shaft so as to be matched with the nut, in this way, vertical and horizontal displacement of the horizontal wheel is realized by rotating the wheel shaft; with the method provided by the invention, the practical rail range of the horizontal wheel is increased, service life of wheels and rails is prolonged, and cost of spare parts is reduced; and the horizontal wheel group is convenient to mount and detach and excellent in maintenance performance, the horizontal wheel can accurately guide the travel of a cart, the problem of rail gnawing is avoided, cost of production, use and maintenance is reduced, and the service life of the rail and the horizontal wheel is improved.
Description
Technical field
The present invention relates to a kind of parts of overhead traveling crane operating unit, especially relate to the adjustable horizontal wheels of a kind of horizontal wheel displacement control method and displacement.
Background technology
Usually adopt two-wheel edge wheel at the big crane in bridge type of span and the traveling mechanism of the larger traveller of crane for steelworks use, the effect of wheel rim is guiding and the horizontal side force when bearing the deflection operation.Because in actual production,, the deflection operation cause wheel and interorbital to produce serious wearing and tearing, the promptly so-called rail phenomenon of gnawing because can appearring in a variety of causes hoisting crane.Because serious wear, the hoisting crane wheel workpiece life-span that has is some months only, and the steel rail for crane that has has to change in advance.On the other hand, deflection when operation mechanism need overcome bigger resistance, in design the load-carrying capacity of transmission device and motor capacity all the corresponding increase of need for this reason, people seek various ways and attempt to overcome and improve above-mentioned phenomenon.
People if draw the wheel that adopts horizontal guide sheave and no wheel rim, gnaw the rail phenomenon and just can not occur in the long-term production practice; And when deflection ran to a certain degree, the horizontal side force that horizontal guide sheave bears can stop its further deflection operation; In addition; Be friction of rolling between horizontal guide sheave and the track side surfaces, friction drag reduces greatly, to the then corresponding reduction of requirement of operation transmission device load-carrying capacity and motor capacity.
Above-mentioned horizontal wheel applies in the overhead traveling crane operating unit Wheeling System; The directional tagging that the rolling of orbit side is replaced mechanism's wheel self wheel rim cliding friction by horizontal wheel; Long span large-tonnage overhead traveling crane particularly; Because it is horizontal side force is big, also increasingly high to the safe reliability requirement of horizontal wheel.The conventional horizontal wheels are single line contact tracks; When horizontal side force is very big; Certainly will need to increase the diameter of horizontal wheel and the material of improve the standard wheel and installation accessories; Can satisfy the requirement of horizontal wheel and track contact stiffness and intensity, influence hoisting crane overhead traveling crane design-calculated headspace and cost control, fail to reach the technical requirements and the result of use of expection; And existing horizontal wheel because and the overhead traveling crane guide rail between clearance distance, assemble the back non-adjustable, install and remove loaded down with trivial details; Wearing and tearing along with horizontal wheel and guide rail; Distance between the two will increase, when after certain degree, and just must be with new horizontal wheel replacement worn-down horizontal wheel; More highlight the increase maintenance cost, delayed the defective of production time.
Summary of the invention
The objective of the invention is to overcome that to solve large span hoister in large tonnage overhead traveling crane simultaneously like above-mentioned defective in service; Cause moving deflection because of track installation error and cart movable motor are asynchronous etc.; Thereby cause cart to move the problem of the fault that takes place frequently, provide a kind of horizontal wheel displacement control method and displacement adjustable horizontal wheels.
The technical scheme that the present invention adopted is: a kind of displacement control method of horizontal wheels is for connecting horizontal wheel and support through wheel shaft; Said wheel shaft is an eccentric shaft, and horizontal wheel is arranged on the lower end of wheel shaft, the outer processing in wheel shaft upper end screw thread; Be provided with a nut in the wheel shaft upper end; Said nut is the nut of the flanged dish in lower end, and said support offers through hole in the wheel shaft installation site, and nut is arranged on the through hole; The outer processing screw thread of wheel shaft cooperates with nut, and so rotary shaft can be realized the vertical and horizontal displacement of horizontal wheel.
As further embodiment of the present invention; Offer a through hole at the support midway location, be fitted with jointed shaft on the through hole, jointed shaft is processed screw thread outside the lower end; Be provided with a nut; Be with one group of pad between above-mentioned jointed shaft and the cart end carriage link span, in order to being connected of fixing horizontal wheels and cart end carriage, horizontal wheels integral level absolute altitude can be by the adjustment of group pad with nut locking for jointed shaft.
The present invention also provides a kind of displacement adjustable horizontal wheels; Comprise support, horizontal wheel, wheel shaft and flange nut, said wheel shaft is the threaded eccentric shaft of processing outside the upper end, wheel shaft upper end screw thread and flange nut screw-internal thread fit; Said flange nut is the nut that the lower end has flange; Flange nut is arranged on the support, and wheel shaft is arranged on the support through flange nut, and said horizontal wheel is installed in the wheel shaft lower end.
As further improvement of the present invention; Said support midway location offers a through hole, is fitted with jointed shaft on the through hole, and jointed shaft is processed screw thread outside the lower end; Be provided with a nut; Be with one group of pad between above-mentioned jointed shaft and the cart end carriage link span, in order to being connected of fixing horizontal wheels and cart end carriage, horizontal wheels integral level absolute altitude can be by the adjustment of group pad with nut locking for jointed shaft.
As further improvement of the present invention; Said horizontal wheel quantity is 4; Said 4 horizontal wheel are divided into two groups; Two horizontal wheel of every group of horizontal wheel place the both sides of track respectively, and the distance between two horizontal wheel realizes that through the off-centre rotation of wheel shaft horizontal displacement is adjustable, realizes that through the rotation of the flange nut on the wheel shaft vertical displacement is adjustable.
As further improvement of the present invention, said support is for comprising upper supporting plate, lower carrier plate and vertical support plate, and said vertical support plate connects upper supporting plate and lower carrier plate, and the position of corresponding wheel shaft offers through hole between upper supporting plate and lower carrier plate.
As further improvement of the present invention, offer the adjustment hole on the described wheel shaft, when convenience need be rotated the adjustment horizontal displacement, just can the direct control rotation to insert bar type.
As further improvement of the present invention, offer the adjustment hole on the described flange nut, when convenience need be rotated the adjustment vertical displacement, just can the direct control rotation to insert bar type.
As further improvement of the present invention, the corresponding wheel shaft of described upper supporting plate and lower carrier plate position lateral openings, size is adaptive with the wheel shaft diameter.
As further improvement of the present invention, said upper supporting plate and lower carrier plate surface are provided with locating plate, and locating plate is provided with lateral openings, and aperture position and size and upper supporting plate, lower carrier plate are adaptive, make things convenient for the translation dismounting of wheel shaft.
The present invention realized a kind of horizontal wheels in the level of track, the vertical bidirectional displacement is adjustable, increases the practical track scope of horizontal wheel, and the adjustable continuation of horizontal wheel contact wear is used, and has prolonged the tenure of use of wheel and track, has reduced the spare part expense; And installation and removal are convenient, and maintainability is good, better solved horizontal wheel to cart operation accurately lead and avoid gnawing the rail problem, reduced the service life of production use, maintenance cost, raising track, horizontal wheels.
Description of drawings
Fig. 1 is the structural representation of a kind of displacement horizon adjustable of present embodiment wheels;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the scheme drawing that horizontal wheels and car body are installed;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the A place partial enlarged drawing of Fig. 1.
The specific embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection, combine accompanying drawing and embodiment at present, and the present invention is further described in detail.
The displacement control method of a kind of horizontal wheels that present embodiment adopted is for connecting horizontal wheel 2 and support 3 through wheel shaft 1; Said wheel shaft 1 is an eccentric shaft, and horizontal wheel 2 is arranged on the lower end of wheel shaft 1, and wheel shaft is processed screw thread outside 1 upper end; Be provided with a nut 4 in wheel shaft 1 upper end; Said nut 4 is the nut 4 of the flanged dish in lower end, and said support 3 offers through hole in wheel shaft 1 installation site, and nut 4 is arranged on the through hole; The outer processing screw thread of wheel shaft 1 cooperates with nut, and so rotary shaft 1 can be realized the vertical and horizontal displacement of horizontal wheel 2.
Shown in accompanying drawing, present embodiment also provides a kind of displacement horizon adjustable wheels, comprises support 3, horizontal wheel 2 and wheel shaft 1, wherein; Support 3 is made up of vertical support plate 5, upper supporting plate 6 and lower carrier plate 7, and vertical support plate 5 one ends are welding upper supporting plate 6, and the other end is welding lower carrier plate 7; Centre at upper supporting plate 6 and lower carrier plate 7 offers through hole, connects the cart end carriage in order to jointed shaft 8 to be installed, and said wheel shaft 1 is arranged on the support 3 for eccentric shaft; Support 3 is provided with nut 4, and said nut 4 is the nut 4 of the flanged dish in lower end, and said support 3 offers through hole in wheel shaft 1 installation site; Nut 4 is arranged on the through hole, is processed with screw thread outside the upper end of wheel shaft 1 and cooperates with nut 4, and wheel shaft 1 is vertically mounted on the nut 4; In the upper surface of wheel shaft 1 tightening cover 9 is set, horizontal wheel 2 is installed, in addition in wheel shaft 1 lower end; All offer on described wheel shaft 1 and the nut 4 and adjust hole 10, when convenience need be rotated the adjustment displacement, adjustment is excellent just can rotate by direct control to insert; The fixedly upper supporting plate 6 of wheel shaft 1 and lower carrier plate 8 corresponding wheel shaft 1 installation site lateral openings, but the horizontal wheels of translation dismounting.
According to the track and the designing requirement of overhead traveling crane operating unit of horizontal wheel, the further embodiment of present embodiment does, shown in accompanying drawing; The horizontal wheel 2 of this specific embodiment is four, and corresponding wheel shaft 1, nut 4, tightening cover 9 are four, and 2 horizontal wheel are one group; Be separately positioned on the both sides of track 11; Can realize the track of two-wire contact simultaneously, the wheel shaft 1 that uses in the present embodiment is the eccentric shaft of eccentric throw as 15mm, with respect to the level of track 11 can align, secondary 15mm; Angle adjustable and displacement range are: 0-180 degree and 0-30mm, the horizontal adjustment accuracy rate can reach 0.2mm.So can increase compensation overhead traveling crane span and practical track deviation scope, in addition the adjustable continuation of horizontal wheel contact wear used, contact track simultaneously for two-wheel in addition, the contact stress minimizing half, increase horizontal wheel and track service life greatly.
In addition; The tight locking closure 9 of wheel shaft 1 upper end is the conical surface lock solid structure shown in the accompanying drawing 5, and centre portion is provided with tightening screw 13, and the outer ring is provided with jackscrew screw 12; The vertical adjustment scope 0-20mm of wheel shaft 1; The thread pitch of nut 4 is designed to 4mm, and the moving 90 degree wheel shafts of nut 4 revolutions 1 vertical displacement 1mm realizes the adjustment that horizontal wheel 2 is vertical; The group pad 13 that is enclosed within on the jointed shaft 8 is arranged on the support 3 and between the end carriage seat, and horizontal wheels integral level absolute altitude can be by 13 adjustment of group pad.
Offer a through hole at support 3 midways location; Be fitted with jointed shaft 8 on the through hole; Jointed shaft is processed screw thread outside 8 lower ends, is provided with a nut, is with one group of pad 13 between above-mentioned jointed shaft 8 and the cart end carriage link span 14; Jointed shaft 8 usefulness nut lockings are connected in order to fixing horizontal wheels and cart end carriage, and horizontal wheels integral level absolute altitude can be by 13 adjustment of group pad.
Below to being described further of embodiments of the invention, and introduce associative operation step and beneficial effect, concrete manifestation is following:
1, horizontal wheels are connected with the cart end carriage
Like Fig. 3 and shown in Figure 4, link span 14 is that the cart end carriage is a part of, and it extend into horizontal wheel pack support middle part, and upper supporting plate penetrates the back and links to each other with bolt with horizontal wheel pack support upper supporting plate from the link span side, horizontal wheels are hung on the link span; Link span and support upper and lower plates are concentricity holes, are fitted with jointed shaft, pin with nut, and horizontal wheels are stabilized on the link span and move; Wheel pack support and end carriage link span upper plate have the group pad that is enclosed within on the jointed shaft, and wheels integral level absolute altitude can be by the adjustment of group pad.
2, wheels whole height adjustment
Like Fig. 3 and shown in Figure 4,
(1), fixing horizontal wheels integral structure, pull down the big nut on the jointed shaft;
(2), hang out middle jointed shaft;
(3), take out pad, adjusting or replacing group pad;
(4), adorn middle jointed shaft, big nut successively.
3, horizontal wheel unitary construction
Horizontal wheel shaft lower end is processed with eccentric pillow block, adorns two cover cylindrical bearings in the horizontal wheel, and bearing is contained on the eccentric pillow block of wheel shaft, through end cap, gland, bolted connection up and down, and rotating axle scalable horizontal wheel horizontal displacement.
The equipped nut that has flange of wheel shaft upper end threading, nut is provided with the adjustment hole, and nut and wheel shaft relatively rotate and can make horizontal wheel shaft upper and lower displacement, see accompanying drawing 2.
The equipped tightening cover that has the conical surface of nut and between centers.
Tightening cover is pressed on the wheel axle end surface through 4 bolts; Under 4 bolts predetermincd tension effects, the awl fitting surface positive pressure-static friction force of tightening cover and adjustment nut-horizontal wheel shaft is descended static friction force distance in working order and adjustment nut does not relatively rotate; Flange seat is fixed on the support through four bolts, and vertical, the horizontal direction of horizontal wheel are not subjected to displacement.
4, horizontal wheel horizontal displacement adjustment
(1), pull down the bolt on the tightening cover, be furnished with four jackscrew screws on the tightening cover, evenly tightening cover is ejected with four bolts;
(2), adjusting lever is inserted wheel axial adjustment hole adjustment, angle adjustable and displacement range are: 0-180 spend and 0-30mm;
(3), be transferred to track cross level optimum distance size after, the dress tightening cover.Get bolt with the even fastening tightening cover of torque spanner and reach the requirement of design predetermincd tension, adjustment finishes.
5, horizontal wheel vertical displacement adjustment:
(1), pulls down the bolt of attachment flange;
(2), fixing horizontal wheel shaft;
(3), insert flange nut adjustment hole with adjusting lever and rotate flange nut, make the displacement vertically of horizontal wheel shaft reach the requirement height;
(4), load onto bolt with flange, symmetrical clamp nut bolt with flange, adjustment finishes.Setting range 20mm, thread pitch design 4mm, vertical adjustment accuracy rate 1mm.
6, the horizontal wheel monomer is changed
(1), pulls down the bolt with flange of captive nut;
(2), pull down bolt, take down locating plate;
(3), the certain altitude size is mentioned, affirmation adjustment flange nut bottom disengagement upper supporting plate surface vertically in the horizontal wheel shaft top of slinging;
(4), level moves horizontal wheel outward, accomplishes the work of pulling down;
(5), accomplish the erection work of horizontal wheel monomer with reference to above-mentioned return preface.
The above only is preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention; Any those of ordinary skill in the art; Do not breaking away under the technical scheme scope situation of the present invention; All the method for above-mentioned announcement capable of using and technology contents are made many possible changes and modification to technical scheme of the present invention, or are revised as the equivalent embodiment of equivalent variations, can be set to other like horizontal wheel quantity of the present invention; For example 6, also can contacting for two-orbit with conventional horizontal wheel single line; Therefore, every content that does not break away from technical scheme of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, be equal to replacement, equivalence changes and modify, all still belong in the scope that technical scheme of the present invention protects.
Claims (10)
1. the displacement control method of horizontal wheels is characterized in that, connects horizontal wheel and support through wheel shaft; Said wheel shaft is an eccentric shaft, and horizontal wheel is arranged on the lower end of wheel shaft, the outer processing in wheel shaft upper end screw thread; Be provided with a nut in the wheel shaft upper end, said nut is the nut of the flanged dish in lower end, and said support offers through hole in the wheel shaft installation site; Nut is arranged on the through hole, and the outer processing screw thread of wheel shaft cooperates with nut.
2. a kind of displacement control method of horizontal wheels according to claim 1 is characterized in that, offers a through hole at the support midway location; Be fitted with jointed shaft on the through hole; Jointed shaft is processed screw thread outside the lower end, is provided with a nut, is with one group of pad between above-mentioned jointed shaft and the cart end carriage link span; In order to being connected of fixing horizontal wheels and cart end carriage, horizontal wheels integral level absolute altitude is by the adjustment of group pad with nut locking for jointed shaft.
3. the horizontal wheels that displacement is adjustable is characterized in that, comprise support, horizontal wheel, wheel shaft and flange nut; Said wheel shaft is the threaded eccentric shaft of processing outside the upper end; Wheel shaft upper end screw thread and flange nut screw-internal thread fit, said flange nut is the nut that the lower end has flange, flange nut is arranged on the support; Wheel shaft is arranged on the support through flange nut, and said horizontal wheel is installed in the wheel shaft lower end.
4. like the adjustable horizontal wheels of the said a kind of displacement of claim 3, it is characterized in that the support midway location offers a through hole; Be fitted with jointed shaft on the through hole; Jointed shaft is processed screw thread outside the lower end, is provided with a nut, is with one group of pad between above-mentioned jointed shaft and the cart end carriage link span; In order to being connected of fixing horizontal wheels and cart end carriage, horizontal wheels integral level absolute altitude can be by the adjustment of group pad with nut locking for jointed shaft.
5. the horizontal wheels that a kind of displacement as claimed in claim 3 is adjustable is characterized in that, said horizontal wheel quantity is 4, and said 4 horizontal wheel are divided into two groups, and two horizontal wheel of every group of horizontal wheel place the both sides of track respectively.
6. like the adjustable horizontal wheels of each described a kind of displacement of claim 3 to 5; It is characterized in that; Said support is for comprising upper supporting plate, lower carrier plate and vertical support plate; Said vertical support plate connects upper supporting plate and lower carrier plate, and the position of corresponding wheel shaft offers through hole between upper supporting plate and lower carrier plate.
7. like the adjustable horizontal wheels of each described a kind of displacement of claim 3 to 5, it is characterized in that, offer the adjustment hole on the described wheel shaft, when convenience need be rotated the adjustment horizontal displacement, just can the direct control rotation to insert bar type.
8. like the adjustable horizontal wheels of each described a kind of displacement of claim 3 to 5, it is characterized in that, offer the adjustment hole on the described flange nut, when convenience need be rotated the adjustment vertical displacement, just can the direct control rotation to insert bar type.
9. like the adjustable horizontal wheels of each described a kind of displacement of claim 3 to 5, it is characterized in that, the corresponding wheel shaft of described upper supporting plate and lower carrier plate position lateral openings, openings of sizes is adaptive with the wheel shaft diameter.
10. the horizontal wheels that a kind of displacement as claimed in claim 9 is adjustable is characterized in that, are provided with locating plate at upper supporting plate and lower carrier plate surface, and locating plate is provided with lateral openings, and the opening of aperture position and size and upper supporting plate, lower carrier plate is adaptive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103746176A CN102431894A (en) | 2011-11-23 | 2011-11-23 | Horizontal wheel displacement adjusting method and displacement-adjustable horizontal wheel group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103746176A CN102431894A (en) | 2011-11-23 | 2011-11-23 | Horizontal wheel displacement adjusting method and displacement-adjustable horizontal wheel group |
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| CN102431894A true CN102431894A (en) | 2012-05-02 |
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| CN2011103746176A Pending CN102431894A (en) | 2011-11-23 | 2011-11-23 | Horizontal wheel displacement adjusting method and displacement-adjustable horizontal wheel group |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350952A (en) * | 2013-07-30 | 2013-10-16 | 法兰泰克重工股份有限公司 | Horizontal guide wheel device |
| CN103434931A (en) * | 2013-09-09 | 2013-12-11 | 山起重型机械股份公司 | Horizontal guide device for crane |
| CN103612979A (en) * | 2013-12-03 | 2014-03-05 | 上海振华重工(集团)股份有限公司 | Deck traveling mechanism |
| CN104944169A (en) * | 2014-03-26 | 2015-09-30 | 中国有色（沈阳）冶金机械有限公司 | Half-door type scraper blade material taking machine operation mechanism |
| CN105197784A (en) * | 2015-10-08 | 2015-12-30 | 河南卫华重型机械股份有限公司 | Small-tonnage crane, traveling beam thereof and horizontal wheel device for traveling beam |
| CN107738991A (en) * | 2017-10-17 | 2018-02-27 | 河南省大方重型机器有限公司 | A kind of circular orbit crane |
| CN107869115A (en) * | 2017-11-20 | 2018-04-03 | 苏交科集团股份有限公司 | The multi-direction displacement adjusting device of precast concrete and construction method |
| CN108706453A (en) * | 2018-08-14 | 2018-10-26 | 法兰泰克重工股份有限公司 | Horizontally-guided wheel assembly, crane and horizontal guide sheave assembly making method |
| CN108791350A (en) * | 2018-06-22 | 2018-11-13 | 中车株洲电力机车有限公司 | Straddle type monorail vehicle and straddle type monorail vehicle bogie |
| CN109534158A (en) * | 2018-12-24 | 2019-03-29 | 青岛海西重机有限责任公司 | A kind of horizontal wheel apparatus of balanced type and monkey |
| CN109967534A (en) * | 2019-05-07 | 2019-07-05 | 中冶华天工程技术有限公司 | Pusher |
| CN110589681A (en) * | 2019-09-20 | 2019-12-20 | 温州市特种设备检测研究院 | Rail gnawing prevention device of crane running mechanism, deviation rectification control system and method |
| CN111747232A (en) * | 2019-03-28 | 2020-10-09 | 北自所（北京）科技发展有限公司 | Automatic transfer system and method for crown block and suspension type package transfer vehicle in package |
| CN113979300A (en) * | 2021-11-19 | 2022-01-28 | 河南中原重工装备有限公司红河分公司 | Correction method for deviation of crane wheel and rail gnawing |
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| CN103350952B (en) * | 2013-07-30 | 2016-04-13 | 法兰泰克重工股份有限公司 | A kind of horizontal guide wheel device |
| CN103350952A (en) * | 2013-07-30 | 2013-10-16 | 法兰泰克重工股份有限公司 | Horizontal guide wheel device |
| CN103434931A (en) * | 2013-09-09 | 2013-12-11 | 山起重型机械股份公司 | Horizontal guide device for crane |
| CN103434931B (en) * | 2013-09-09 | 2015-09-09 | 山起重型机械股份公司 | Hoisting crane horizontally-guided device |
| CN103612979A (en) * | 2013-12-03 | 2014-03-05 | 上海振华重工(集团)股份有限公司 | Deck traveling mechanism |
| CN104944169A (en) * | 2014-03-26 | 2015-09-30 | 中国有色（沈阳）冶金机械有限公司 | Half-door type scraper blade material taking machine operation mechanism |
| CN105197784A (en) * | 2015-10-08 | 2015-12-30 | 河南卫华重型机械股份有限公司 | Small-tonnage crane, traveling beam thereof and horizontal wheel device for traveling beam |
| CN105197784B (en) * | 2015-10-08 | 2017-08-29 | 河南卫华重型机械股份有限公司 | A kind of small tonnage crane and its walking beam and the horizontal wheel apparatus of walking beam |
| CN107738991A (en) * | 2017-10-17 | 2018-02-27 | 河南省大方重型机器有限公司 | A kind of circular orbit crane |
| CN107869115B (en) * | 2017-11-20 | 2023-08-29 | 苏交科集团股份有限公司 | Multidirectional displacement adjusting device for precast concrete member and construction method |
| CN107869115A (en) * | 2017-11-20 | 2018-04-03 | 苏交科集团股份有限公司 | The multi-direction displacement adjusting device of precast concrete and construction method |
| CN108791350A (en) * | 2018-06-22 | 2018-11-13 | 中车株洲电力机车有限公司 | Straddle type monorail vehicle and straddle type monorail vehicle bogie |
| CN108706453A (en) * | 2018-08-14 | 2018-10-26 | 法兰泰克重工股份有限公司 | Horizontally-guided wheel assembly, crane and horizontal guide sheave assembly making method |
| CN109534158A (en) * | 2018-12-24 | 2019-03-29 | 青岛海西重机有限责任公司 | A kind of horizontal wheel apparatus of balanced type and monkey |
| CN111747232A (en) * | 2019-03-28 | 2020-10-09 | 北自所（北京）科技发展有限公司 | Automatic transfer system and method for crown block and suspension type package transfer vehicle in package |
| CN111747232B (en) * | 2019-03-28 | 2023-11-21 | 北自所(北京)科技发展股份有限公司 | Automatic package transfer system and method for crown block and suspension type package transfer vehicle |
| CN109967534A (en) * | 2019-05-07 | 2019-07-05 | 中冶华天工程技术有限公司 | Pusher |
| CN110589681A (en) * | 2019-09-20 | 2019-12-20 | 温州市特种设备检测研究院 | Rail gnawing prevention device of crane running mechanism, deviation rectification control system and method |
| CN113979300A (en) * | 2021-11-19 | 2022-01-28 | 河南中原重工装备有限公司红河分公司 | Correction method for deviation of crane wheel and rail gnawing |
| CN113979300B (en) * | 2021-11-19 | 2023-05-19 | 河南中原重工装备有限公司红河分公司 | Correction method for crane wheel deviation gnawing rail |
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Application publication date: 20120502 |