CN111960271A - Low-static-air electric single-beam European crane - Google Patents
Low-static-air electric single-beam European crane Download PDFInfo
- Publication number
- CN111960271A CN111960271A CN202010751587.5A CN202010751587A CN111960271A CN 111960271 A CN111960271 A CN 111960271A CN 202010751587 A CN202010751587 A CN 202010751587A CN 111960271 A CN111960271 A CN 111960271A
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- wheel
- static
- low
- track
- electric single
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/10—Undercarriages or bogies, e.g. end carriages, end bogies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C7/00—Runways, tracks or trackways for trolleys or cranes
- B66C7/08—Constructional features of runway rails or rail mountings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention discloses a low-static-air electric single-beam European crane which comprises a main beam and a track, wherein two ends of the main beam are fixedly connected with a walking trolley support, the front and the rear of the walking trolley support are rotatably connected with wheels, one side of the walking trolley support is fixedly connected with an end part side wheel mounting block and a middle part side wheel mounting block, one side of the end part side wheel mounting block, which is close to the track, is rotatably connected with an end part roller, and one side of the middle part side wheel mounting block, which is close to the track, is rotatably connected with a middle part roller. This low-static-air electric single-beam European crane sets up through the cooperation of wheel, tip gyro wheel and stereoplasm rubber pad, makes this low-static-air electric single-beam European crane possess the little effect of noise, sets up through the cooperation of track and stereoplasm rubber pad, makes this low-static-air electric single-beam European crane possess the little effect of vibrations, sets up through the cooperation of wheel and tip gyro wheel, makes this low-static-air electric single-beam European crane possess the effect of being convenient for installation and debugging.
Description
Technical Field
The invention relates to the technical field of European cranes, in particular to a low-static-altitude electric single-beam European crane.
Background
The European crane has the advantages of light dead weight, small structure, low energy consumption, capability of moving the trolley forwards and backwards, realization of carrying materials in a three-dimensional space by adopting a unique design concept and low wheel pressure. Compared with the traditional crane, the limit distance from the lifting hook to the ground is minimum, the clearance height is minimum, the lifting height is higher, the effective working space of the existing factory building is actually increased, the crane has the characteristics of light weight and small wheel pressure, the space of the new factory building can be designed to be smaller, the smaller factory building means initial construction investment, and considerable funds can be saved in long-term heat supply, air conditioning and other maintenance fees.
But current european style hoist has some weak points, and the in-process walking dolly of traveling produces the noise with track friction on the one hand, and the track concatenation department is easy unevenness on the one hand, produces the vibration easily, and on the other hand the precision requirement of installing the track is high, leads to the debugging to waste time and energy, provides a low quiet empty electronic monospar european style hoist for this reason, has that the noise is little, the vibration is little, be convenient for the advantage of installation and debugging.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the low-static-pressure electric single-beam European crane which has the advantages of low noise, small vibration, convenience in installation and debugging and the like, and solves the problems that noise is generated due to friction between a walking trolley and a rail, vibration is generated due to uneven splicing position of the rail, and high precision requirement for installing the rail is high, and debugging is time-consuming and labor-consuming.
(II) technical scheme
In order to achieve the purposes of low noise, small vibration and convenient installation and debugging, the invention provides the following technical scheme: the utility model provides a low electronic monospar european style hoist of quiet air, includes girder, track, the equal fixedly connected with walking dolly support in both ends of girder, the front and back of walking dolly support all rotates and is connected with the wheel, one side fixedly connected with tip side wheel installation piece and well side wheel installation piece of walking dolly support, tip side wheel installation piece is close to orbital one side and rotates and be connected with the tip gyro wheel, middle part side wheel installation piece is close to orbital one side and rotates and be connected with the middle part gyro wheel, orbital top fixedly connected with stereoplasm rubber pad.
Preferably, the walking trolley support comprises two side plates, the top of each side plate is fixedly connected with a top connecting plate, the two sides of each side plate are fixedly connected with side connecting plates, and a reinforcing shaft is fixedly connected between the side plates.
Preferably, axle holes have been seted up to the both sides of curb plate, the below of curb plate has been seted up and has been strengthened the shaft hole, the lower fixed surface of curb plate is connected with the side wheel mounting panel, the quantity of side wheel mounting panel is three, spacing square groove has been seted up to the centre of side wheel mounting panel, square groove screw hole has been seted up to the periphery of spacing square groove.
Preferably, the track is top rail, middle part support and below base from top to bottom in proper order, the iron rail groove has been seted up to the upper surface of top rail, the rail screw hole has been seted up to the bottom surface in iron rail groove, the quantity of rail screw hole is a plurality of, and the interval equals.
Preferably, both sides of wheel all fixedly connected with the wheel limiting plate, the interval of wheel limiting plate is greater than the width of top rail, the minimum face of wheel limiting plate is less than top rail.
Preferably, the end side wheel mounting block comprises a positioning block, a wheel groove is formed in one side of the positioning block, a side wheel rotating shaft is detachably connected to one side of the wheel groove, a positioning connecting plate is fixedly connected to the other side of the positioning block, bolt clearance holes are formed in the periphery of the positioning connecting plate, and the middle side wheel mounting block and the end side wheel mounting block are identical in structure.
Preferably, the positioning block and the limiting square groove are in small clearance fit, and the length of the positioning block is larger than the diameter of the end roller.
Preferably, the number of the end rollers is two, the outer ring of each end roller is made of hard rubber, and the end rollers are in contact with the side face of the middle support.
Preferably, the number of the middle rollers is one, the diameter of the middle rollers is smaller than that of the end rollers, and the middle rollers are made of steel.
Preferably, the number of the tracks and the hard rubber pads is a plurality, the upper surfaces of the hard rubber pads are higher than the upper surfaces of the tracks, and the hard rubber pads and the tracks are installed in a staggered mode.
(III) advantageous effects
Compared with the prior art, the invention provides a low-static-air electric single-beam European crane which has the following beneficial effects:
1. this low-static-air electric single-beam European crane sets up through the cooperation of wheel, tip gyro wheel and stereoplasm rubber pad, makes this low-static-air electric single-beam European crane possess the effect that the noise is little, lays the stereoplasm rubber pad between walking dolly and the track, no longer produces frictional noise between wheel and the track, and the width of wheel is greater than orbital width, makes the side of wheel no longer rub with the track through the restriction of tip gyro wheel to the noise has been reduced.
2. This low-static-space electric single-beam European crane sets up through the cooperation of track and stereoplasm rubber pad, makes this low-static-space electric single-beam European crane possess the little effect of vibrations, and the track is crisscross installation with stereoplasm rubber pad, and orbital joint department top is the middle part of stereoplasm rubber pad, and the joint department of stereoplasm rubber pad is the track middle part to reduce the dislocation of joint department, reach the purpose that reduces vibrations.
3. This low-static-air electric single-beam European crane sets up through the cooperation of wheel and tip gyro wheel, makes this low-static-air electric single-beam European crane possess the effect of installation and debugging of being convenient for, and the width of wheel is greater than orbital width, then does not need very high precision when the track is laid, has less the degree of difficulty of installation and debugging, and the support through the tip gyro wheel makes the wheel not squint when traveling on the track.
Drawings
Fig. 1 is a schematic structural diagram of a main view of a low-static-air electric single-beam european crane according to the present invention;
FIG. 2 is a schematic structural diagram of a partial three-dimensional view of a low-static-pressure electric single-beam European crane according to the present invention;
FIG. 3 is a schematic structural diagram of a low-static-pressure electric single-beam European crane track provided by the invention;
FIG. 4 is a schematic structural diagram of a low-static-pressure electric single-beam European crane walking trolley support provided by the invention;
FIG. 5 is a schematic structural diagram of a low-static-pressure electric single-beam European crane side plate provided by the invention;
fig. 6 is a schematic structural diagram of a side wheel mounting block at the end of a low-static-pressure electric single-beam european crane provided by the invention.
In the figure: 1. a main beam; 2. a track; 21. an upper rail; 22. supporting the middle part; 23. a lower base; 24. a rail groove; 25. a rail threaded hole; 3. a traveling trolley support; 31. a side plate; 311. a vehicle axle hole; 312. a reinforcing shaft hole; 313. a side wheel mounting plate; 314. a limiting square groove; 315. a square groove threaded hole; 32. a top connection plate; 33. a lateral connecting plate; 34. reinforcing the shaft; 4. a wheel; 41. a wheel limit plate; 5. an end side wheel mounting block; 51. positioning blocks; 52. a wheel groove; 53. a side wheel shaft; 54. positioning the connecting plate; 55. a bolt clearance hole; 6. a middle side wheel mounting block; 7. an end roller; 8. a middle roller; 9. hard rubber pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a low static-air electric single-beam european crane comprises a main beam 1 and a track 2, wherein the track 2 comprises an upper rail 21, a middle support 22 and a lower base 23 from top to bottom, an upper surface of the upper rail 21 is provided with a rail groove 24, a bottom surface of the rail groove 24 is provided with rail threaded holes 25, the number of the rail threaded holes 25 is a plurality, the intervals are equal, two ends of the main beam 1 are fixedly connected with a traveling trolley support 3, the traveling trolley support 3 comprises side plates 31, the number of the side plates 31 is two, two sides of the side plates 31 are provided with axle holes 311, a lower part of the side plates 31 is provided with a reinforced axle hole 312, a lower surface of the side plates 31 is fixedly connected with side wheel mounting plates 313, the number of the side wheel mounting plates 313 is three, a limiting square groove connecting plate 314 is arranged in the middle of the side wheel mounting plates, the periphery of the limiting square groove 314 is provided with a, the two sides of the side plates 31 are fixedly connected with side connecting plates 33, a reinforcing shaft 34 is fixedly connected between the side plates 31, wheels 4 are rotatably connected at the front and rear parts of the walking trolley support 3, wheel limiting plates 41 are fixedly connected at the two sides of the wheels 4, the distance between the wheel limiting plates 41 is larger than the width of an upper rail 21, the lowest surface of each wheel limiting plate 41 is lower than the upper rail 21, one side of the walking trolley support 3 is fixedly connected with an end side wheel mounting block 5 and a middle side wheel mounting block 6, the end side wheel mounting block 5 comprises a positioning block 51, one side of the positioning block 51 is provided with a wheel groove 52, one side of the wheel groove 52 is detachably connected with a side wheel rotating shaft 53, the other side of the positioning block 51 is fixedly connected with a positioning connecting plate 54, the periphery of the positioning connecting plate 54 is provided with bolt clearance holes 55, the middle side wheel mounting block 6 and the end side wheel mounting, tip side wheel installation piece 5 is close to track 2 one side and rotates and is connected with tip gyro wheel 7, locating piece 51's length is greater than tip gyro wheel 7's diameter, tip gyro wheel 7's quantity is two, tip gyro wheel 7's outer lane is the stereoplasm rubber, tip gyro wheel 7 supports 22 side contact with the middle part, middle part side wheel installation piece 6 is close to track 2 one side and rotates and is connected with middle part gyro wheel 8, middle part gyro wheel 8's quantity is one, middle part gyro wheel 8's diameter is less than tip gyro wheel 7, middle part gyro wheel 8 material is steel, track 2's top fixedly connected with stereoplasm rubber pad 9, track 2 and stereoplasm rubber pad 9's quantity are a plurality of, stereoplasm rubber pad 9 upper surface is higher than track 2's upper surface, stereoplasm rubber pad.
When in use, firstly, the rails 2 are arranged on two sides of a workshop, the workshop with long stroke distance is formed by splicing a plurality of rails 2 instead of a whole rail 2, hard rubber pads 9 are paved on the rails 2 after the rails 2 are paved, the middle position of the hard rubber pads 9 is paved at the splicing position of the rails 2, the splicing position of the hard rubber pads 9 is arranged in the middle of the rails 2, the vibration is reduced by the dislocation of small joints, then the crane is arranged on the two rails 2, the position of the crane is adjusted to be symmetrical with the rails 2, then the end side wheel mounting blocks 5 are processed according to the distance from the side plates 31 to the middle support 22, the end rollers 7 on the end side wheel mounting blocks 5 are required to be just contacted with the side surfaces of the middle support 22, the middle rollers 8 are arranged at a small distance from the middle support 22, and the middle rollers 8 are used when the end rollers 7 are seriously worn, thereby middle part gyro wheel 8 avoids hoist transition skew with track 2 direct contact, and the effect of same wheel limiting plate 41 also prevents hoist transition skew, is iron and iron direct contact when middle part gyro wheel 8 and track 2 frictional contact, can produce the noise, and tip gyro wheel 7 need be changed to the side, and wheel 4 also produces the noise with track 2 direct contact when stereoplasm rubber pad 9 wearing and tearing are serious, then need change stereoplasm rubber pad 9.
In conclusion, the low-static-air electric single-beam European crane has the effect of low noise through the matching arrangement of the wheels 4, the end rollers 7 and the hard rubber pads 9, the hard rubber pads 9 are laid between the travelling trolley and the track 2, the friction noise is not generated between the wheels 4 and the track 2, the width of the wheels 4 is larger than that of the track 2, the side edges of the wheels 4 are not rubbed with the track 2 through the limitation of the end rollers 7, so that the noise is reduced, the low-static-air electric single-beam European crane has the effect of small vibration through the matching arrangement of the track 2 and the hard rubber pads 9, the track 2 and the hard rubber pads 9 are installed in a staggered manner, the middle part of the hard rubber pads 9 is arranged above the joint of the track 2, the middle part of the track 2 is arranged at the joint of the hard rubber pads 9, so that the dislocation of the joint is reduced, reach the purpose that reduces vibrations, through the cooperation setting of wheel 4 and tip gyro wheel 7, make this low quiet empty electronic monospar european style hoist possess the effect of the installation and debugging of being convenient for, the width of wheel 4 is greater than the width of track 2, then does not need very high precision when track 2 is laid, has less the degree of difficulty of installation and debugging, does not squint when making wheel 4 travel on track 2 through the support of tip gyro wheel 7.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the use of the verb "comprise a" to define an element does not exclude the presence of another, same element in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a low static electricity monospar european style hoist, includes girder (1), track (2), its characterized in that: the equal fixedly connected with walking dolly support (3) in both ends of girder (1), the front and back of walking dolly support (3) all rotates and is connected with wheel (4), one side fixedly connected with tip side wheel installation piece (5) and middle part side wheel installation piece (6) of walking dolly support (3), one side rotation that tip side wheel installation piece (5) are close to track (2) is connected with tip gyro wheel (7), one side rotation that middle part side wheel installation piece (6) are close to track (2) is connected with middle part gyro wheel (8), the top fixedly connected with stereoplasm rubber pad (9) of track (2).
2. The low-static-air electric single-beam European crane according to claim 1, wherein: walking dolly support (3) include curb plate (31), the quantity of curb plate (31) is two, top fixedly connected with top connecting plate (32) of curb plate (31), both sides fixedly connected with side connecting plate (33) of curb plate (31), fixedly connected with reinforcing shaft (34) between curb plate (31).
3. The low-static-air electric single-beam European crane according to claim 2, wherein: axle hole (311) has been seted up to the both sides of curb plate (31), strengthen shaft hole (312) has been seted up to the below of curb plate (31), the lower fixed surface of curb plate (31) is connected with side wheel mounting panel (313), the quantity of side wheel mounting panel (313) is three, spacing square groove (314) have been seted up to the centre of side wheel mounting panel (313), square groove screw hole (315) have been seted up to the periphery of spacing square groove (314).
4. The low-static-air electric single-beam European crane according to claim 1, wherein: track (2) are top rail (21), middle part support (22) and below base (23) from top to bottom in proper order, iron rail groove (24) have been seted up to the upper surface of top rail (21), rail screw hole (25) have been seted up to the bottom surface of iron rail groove (24), the quantity of rail screw hole (25) is a plurality of, and the interval equals.
5. The low-static-air electric single-beam European crane according to claim 1, wherein: the two sides of the wheel (4) are fixedly connected with wheel limiting plates (41), the distance between the wheel limiting plates (41) is larger than the width of the upper rail (21), and the lowest surface of each wheel limiting plate (41) is lower than the upper rail (21).
6. The low-static-air electric single-beam European crane according to claim 1, wherein: the end side wheel mounting block (5) comprises a positioning block (51), a wheel groove (52) is formed in one side of the positioning block (51), a side wheel rotating shaft (53) is detachably connected to one side of the wheel groove (52), a positioning connecting plate (54) is fixedly connected to the other side of the positioning block (51), bolt clearance holes (55) are formed in the periphery of the positioning connecting plate (54), and the middle side wheel mounting block (6) and the end side wheel mounting block (5) are identical in structure.
7. The low-static-air electric single-beam European crane according to claim 1, wherein: the positioning block (51) is in small clearance fit with the limiting square groove (314), and the length of the positioning block (51) is larger than the diameter of the end roller (7).
8. The low-static-air electric single-beam European crane according to claim 1, wherein: the number of the end part rollers (7) is two, the outer ring of each end part roller (7) is made of hard rubber, and the end part rollers (7) are in contact with the side face of the middle support (22).
9. The low-static-air electric single-beam European crane according to claim 1, wherein: the number of the middle rollers (8) is one, the diameter of the middle rollers (8) is smaller than that of the end rollers (7), and the middle rollers (8) are made of steel.
10. The low-static-air electric single-beam European crane according to claim 1, wherein: the track (2) and the hard rubber pads (9) are in a plurality of numbers, the upper surfaces of the hard rubber pads (9) are higher than the upper surfaces of the track (2), and the hard rubber pads (9) and the track (2) are installed in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751587.5A CN111960271A (en) | 2020-07-30 | 2020-07-30 | Low-static-air electric single-beam European crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010751587.5A CN111960271A (en) | 2020-07-30 | 2020-07-30 | Low-static-air electric single-beam European crane |
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| Publication Number | Publication Date |
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| CN111960271A true CN111960271A (en) | 2020-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010751587.5A Pending CN111960271A (en) | 2020-07-30 | 2020-07-30 | Low-static-air electric single-beam European crane |
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| CN (1) | CN111960271A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589240A (en) * | 2021-07-05 | 2021-11-02 | 一汽奔腾轿车有限公司 | Free field anti-interference test auxiliary equipment for vehicle electromagnetic compatibility vehicle-mounted radar |
| CN113873109A (en) * | 2021-08-24 | 2021-12-31 | 河北良汇科技有限公司 | Intelligent conveying monitoring device and method for quality tracing of fresh traditional Chinese medicinal materials |
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| CN101723244A (en) * | 2008-10-22 | 2010-06-09 | 襄樊中铁纵横机电工程有限公司 | Guiding driving frame of single-rail working vehicle |
| CN204823868U (en) * | 2015-07-10 | 2015-12-02 | 德马科起重机械有限公司 | European style list beam bridge crane |
| CN206767460U (en) * | 2017-06-07 | 2017-12-19 | 河南省黄河防爆起重机有限公司 | A kind of electric single-beam crane |
| CN209891930U (en) * | 2018-12-24 | 2020-01-03 | 张月明 | Track mechanism of sliding door |
| CN210393457U (en) * | 2019-07-12 | 2020-04-24 | 河南省长丰起重机有限公司 | Derailing prevention device for traveling crane |
| CN210418972U (en) * | 2019-08-29 | 2020-04-28 | 河南德克起重配件有限公司 | Crane rail-gnawing-preventing wheel device |
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2020
- 2020-07-30 CN CN202010751587.5A patent/CN111960271A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0802147A1 (en) * | 1996-04-19 | 1997-10-22 | MANNESMANN Aktiengesellschaft | Running gear, particularly for chain hoist and/or towing cable |
| CN101723244A (en) * | 2008-10-22 | 2010-06-09 | 襄樊中铁纵横机电工程有限公司 | Guiding driving frame of single-rail working vehicle |
| CN204823868U (en) * | 2015-07-10 | 2015-12-02 | 德马科起重机械有限公司 | European style list beam bridge crane |
| CN206767460U (en) * | 2017-06-07 | 2017-12-19 | 河南省黄河防爆起重机有限公司 | A kind of electric single-beam crane |
| CN209891930U (en) * | 2018-12-24 | 2020-01-03 | 张月明 | Track mechanism of sliding door |
| CN210393457U (en) * | 2019-07-12 | 2020-04-24 | 河南省长丰起重机有限公司 | Derailing prevention device for traveling crane |
| CN210418972U (en) * | 2019-08-29 | 2020-04-28 | 河南德克起重配件有限公司 | Crane rail-gnawing-preventing wheel device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113589240A (en) * | 2021-07-05 | 2021-11-02 | 一汽奔腾轿车有限公司 | Free field anti-interference test auxiliary equipment for vehicle electromagnetic compatibility vehicle-mounted radar |
| CN113873109A (en) * | 2021-08-24 | 2021-12-31 | 河北良汇科技有限公司 | Intelligent conveying monitoring device and method for quality tracing of fresh traditional Chinese medicinal materials |
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Application publication date: 20201120 |
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