CN103879919B - The method of instrument with the carrying roller changing belt feeder for lifting weight - Google Patents
The method of instrument with the carrying roller changing belt feeder for lifting weight Download PDFInfo
- Publication number
- CN103879919B CN103879919B CN201410048533.7A CN201410048533A CN103879919B CN 103879919 B CN103879919 B CN 103879919B CN 201410048533 A CN201410048533 A CN 201410048533A CN 103879919 B CN103879919 B CN 103879919B
- Authority
- CN
- China
- Prior art keywords
- lifting
- lift arm
- arm
- lift
- instrument
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000003245 coal Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
- Manipulator (AREA)
Abstract
The invention discloses a kind of instrument for lifting weight, this instrument includes: seat part (1)；The lifting portion (2) that can move relative to seat part between lift location and curling position along lifting and withdrawal direction；For driving lifting portion drive division of movement between lift location and curling position；And for lifting portion being positioned at the location division of lift location.On the other hand, the present invention also provides for a kind of method of carrying roller changing belt feeder, and the method is applied the above-mentioned instrument for lifting weight and is replaced the operation of carrying roller.The present invention is easy to operator and is changed the carrying roller of belt feeder.
Description
Technical field
The present invention relates to mechanical field, in particular it relates to the method for the carrying roller of a kind of instrument for lifting weight and replacing belt feeder.
Background technology
Comprehensive harbour based on Coal Transport carries coal to reach 80,000,000 tons to 90,000,000 tons every year, the belt feeder total length about more than 50 kilometer of conveying coal.Belt feeder is along the line and unit carrying roller usage quantity is huge, online all kinds of carrying rollers about 200,000, and these carrying rollers drive belt to complete whole material transportation works.Carrying roller, under so high use frequency, can serve damage by band accordingly, and change the time that carrying roller spends and become the importance affecting production operation efficiency.
Traditional method changing carrying roller substantially has two kinds: one is to be played by belt with pulling jack, and another kind is manually to be lifted with hands by belt.The position of jack is provided with certain requirement by first method, it is necessary to have the space hanging and operating jack, and the operational site of most of carrying roller does not possess such space.Although less demanding to operating environment of second method, but it is more manually to shoulder the personnel that belt needs, and changes a carrying roller and takes around 5 to 6 people.And replacement operation is relatively elaborate, also there is certain danger.
Therefore the method for replacing carrying roller of the prior art haves much room for improvement.
Summary of the invention
The method that it is an object of the invention to provide the carrying roller of a kind of instrument for lifting weight and replacing belt feeder, in order to operator change the carrying roller of belt feeder.
To achieve these goals, on the one hand, the present invention provides a kind of instrument for lifting weight, and this instrument includes: seat part；The lifting portion that can move relative to seat part between lift location and curling position along lifting and withdrawal direction；For driving lifting portion drive division of movement between lift location and curling position；And for lifting portion being positioned at the location division of lift location.
Preferably, drive division is movable pulley component, and this movable pulley component includes: movable pulley, and this movable pulley is arranged in lifting portion；And flexible cable, this flexible cable is wound on movable pulley to drive movable pulley to move, and wherein, the fixing end of flexible cable and drive end are both connected in seat part.
Preferably, drive division includes multiple movable pulley components of arranging at intervals.
Preferably, seat part includes along lifting and regains the first lift arm and the second lift arm that direction is arranged at intervals, lifting portion includes the 3rd lift arm (53) and the 4th lift arm (54) that arrange at intervals along lifting and withdrawal direction and parallel with the first lift arm and the second lift arm respectively, wherein, it is provided with on the first lift arm and the second lift arm or on the 3rd lift arm and the 4th lift arm and makes lifting portion along lifting and regain the guiding piece that direction is moved relative to seat part.
Preferably, guiding piece be separately fixed on the first lift arm and the second lift arm and axis along lifting and regain direction extend multiple annulus, and the 3rd support arm is set in the annulus on the first lift arm, the 4th support arm is set in the annulus on the second lift arm.
Preferably, seat part includes drive rod, and the two ends of this drive rod are arranged on the first lift arm and the second lift arm respectively through bearing, and the drive end of flexible cable is wrapped on drive rod；And at least one end of drive rod is connected to driving handle.
Preferably, seat part includes transverse arm, and the two ends of this transverse arm are connected on the first lift arm and the second lift arm；Wherein, the fixing end of the flexible cable of movable pulley component is fixedly connected on transverse arm.
Preferably, seat part includes along being perpendicular to lifting and regaining the first support arm and the second support arm that the width of instrument in direction is arranged at intervals, and lifting portion includes the 3rd support arm and the 4th support arm that arrange at intervals along width and parallel with the first support arm and the second support arm respectively；Wherein, the first support arm is positioned at the bottom of seat part, and the 4th support arm is positioned at the top in lifting portion, and movable pulley is connected on the 3rd support arm；And the first support arm along the development length of width more than or equal to the twice of the spacing distance between the first lift arm and the second lift arm, the 4th support arm along the development length of width more than or equal to the twice of the spacing distance between the 3rd lift arm and the 4th lift arm.
Preferably, location division is hook-like part, and hook-like part is connected on transverse arm, and hook-like part hooks the 3rd support arm to be positioned in lifting portion when lifting portion is in lift location.
On the other hand, the present invention also provides for a kind of method of carrying roller changing belt feeder, the method is applied the above-mentioned instrument for lifting weight and is operated, and at least comprise the following steps: 1) vertical direction between end face and the bottom surface of carrying belt of the return belt of belt feeder is set as lifting and regains direction, and make lifting portion be in curling position；2) position of the carrying roller close to be replaced that the instrument being used for lifting weight is placed between carrying belt and return belt, and seat part is placed on the end face of return belt；3) utilize drive division to drive lifting portion to lift location, and utilize location division that lifting portion is positioned at lift location；4) implement to change the operation of carrying roller.
By technique scheme, drive division can drive lifting portion along lifting and to regain direction, moves between lift location and curling position relative to seat part.And lifting portion can be positioned at lift location by location division.So, between the bottom surface that the instrument of the present invention is placed on the end face of return belt of belt feeder and carrying belt time, it is possible to by driving lifting portion to make lifting portion move relative to seat part, the spacing between carrying belt and return belt is effectively increased.So, it is possible to effectively release the belt a part of pretightning force to carrying roller, such that it is able to be easily implemented with the operation changing carrying roller.For the total amount of carrying roller for 200,000, if the rate of rolling off the production line of annual carrying roller is about 3%, then within 1 year, change carrying roller about 200,000 X3%=6000 root.It was verified that before using the instrument of the present invention, changing each carrying roller on average about needs 20 minutes；After using the instrument of the present invention, replacing construction can reduce to about 10 minutes.Therefore, the about 1000 hours carrying roller time of replacing can be shortened every year.It addition, before using the instrument of the present invention, changing carrying roller needs about 5-6 people；After using the instrument of the present invention, change carrying roller and have only to 2-3 people, saved substantial amounts of labour force.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 is the axonometric chart of the instrument for lifting weight according to the present invention, it is shown that lifting portion is in the state of curling position；
Fig. 2 is the axonometric chart of the instrument for lifting weight according to the present invention, it is shown that lifting portion is in the state of lift location；
Fig. 3 is the use state stereogram during carrying roller of the tool changing belt feeder for lifting weight of the application present invention, it is shown that lifting portion is in the state of curling position；
Fig. 4 is the use state stereogram during carrying roller of the tool changing belt feeder for lifting weight of the application present invention, it is shown that lifting portion is in the state of lift location.
Description of reference numerals
1 seat part 11 drive rod 111 driving handle
12 bearings
2 lifting portions
31 movable pulleys
32 flexible cable 321 fixing end 322 drive ends
4 hook-like parts
51 first lift arm 52 second lift arm 53 the 3rd lift arms
54 the 4th lift arms
61 first support arm 62 second support arm 63 the 3rd support arms
64 the 4th support arm 65 transverse arms
7 guiding pieces
101 carrying belt 102 return belt 103 carrying rollers
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
With reference to Fig. 1 and Fig. 2, the present invention provides a kind of instrument for lifting weight.This instrument includes seat part 1, lifting portion 2, drive division and location division.Wherein, seat part 1 is positioned at the bottom support parts as instrument of instrument；Lifting portion 2 can along lifting and regain direction in fig. 2 shown in lift location and Fig. 1 shown in curling position between move relative to seat part 1；Drive division is used for driving lifting portion 2 to move between lift location and curling position.It should be understood that lifting and to regain direction be that weight can be lifted the direction to lift location by instrument, it also it is the instrument direction that can be recovered to curling position.
More specifically, be the quadrilateral frame posture structure that shape is identical according to embodiments of the invention, seat part 1 and lifting portion 2.Wherein, seat part 1 includes along lifting and regains the first lift arm 51 and the second lift arm 52 of arranging at intervals of direction, and along being perpendicular to lifting and regaining the first support arm 61 and the second support arm 62 that the width of instrument in direction is arranged at intervals.Similarly, lifting portion (2) include along described lifting and regain the 3rd lift arm 53 and the 4th lift arm 54 that arrange at intervals of direction, and along the 3rd support arm 63 and the 4th support arm 64 that the width of instrument is arranged at intervals.Wherein, according to embodiments of the invention, the first lift arm 51 and the second lift arm 52 are paralleled with the 3rd lift arm 53 and the 4th lift arm 54 respectively, and the first support arm 61 and the second support arm 62 are paralleled with the 3rd support arm 63 and the 4th support arm 64 respectively.It is highly preferred that the first lift arm 51 is parallel to each other to the 4th lift arm 54, the first support arm 61 is parallel to each other to the 4th support arm 64.
With continued reference to Fig. 1 and Fig. 2, according to embodiments of the invention, on first lift arm 51 and the second lift arm 52 of seat part 1, or on the 3rd lift arm 53 and the 4th lift arm 54 in lifting portion 2, it is provided with guiding piece 7.This guiding piece 7 can guide lifting portion 2 to move along lifting and withdrawal direction relative to seat part 1.Such as but not limited to, guiding piece 7 is the annulus being fixed in the first lift arm 51 and the second lifting portion 52.First lift arm 51 can be fixed with one or more annulus, the second lift arm 52 can also be fixed with one or more annulus.The axis of these annulus is along lifting and regains direction extension.Further, the 3rd lift arm 53 is set in one or more annulus on the first lift arm 51, and the 4th lift arm 54 is set in one or more annulus on the second lift arm 52.So, the 3rd lift arm 53 and the 4th lift arm 54 can realize moving along the axis direction of annulus, i.e. lifting portion 2 can realize moving along lifting and withdrawal direction relative to seat part 1.
In more detail, the first support arm 61 is positioned at the bottom of seat part 1, thus forming the support parts of the bottom of instrument；4th support arm 64 is positioned at the top in lifting portion 2, thus forming the lifting parts at the top of instrument.According to embodiments of the invention, for seat part 1, if the spacing distance between the first lift arm 51 and the second lift arm 52 is defined as D1, the first support arm 61 is defined as L1 along the development length of width, then the L1 twice more than or equal to D1.As such, it is possible to increase effective Area of bearing of seat part 1 such that it is able to improve the support force of seat part 1 and improve the stability of instrument.Similarly, for lifting portion 2, if the spacing distance between the 3rd lift arm 53 and the 4th lift arm 54 is defined as D2, the 4th support arm 64 is defined as L2 along the development length of width, then the L2 twice more than or equal to D2.As such, it is possible to what increase lifting portion 2 effectively lifts area such that it is able to improve the lifting force in lifting portion and improve the stability of instrument.
Referring still to Fig. 1 and Fig. 2, according to embodiments of the invention, drive division is movable pulley component.This movable pulley component includes movable pulley 31 and for lifting the flexible cable 32 of movable pulley 31.One end of flexible cable 32 is fixing end 321, and the other end is drive end 322, and flexible cable 32 is wound on movable pulley 31.So, by lifting drive end 322, it is possible to drive movable pulley 31 to move.
In more detail, according to embodiments of the invention, movable pulley 31 is connected on the 3rd support arm 63.According to embodiments of the invention, seat part 1 includes transverse arm 65, and the two ends of this transverse arm 65 are connected on the first lift arm 51 and the second lift arm 52.Preferably, the length of transverse arm 65 extends along the width of instrument.According to embodiments of the invention, the fixing end 321 of flexible cable 32 is fixedly connected on transverse arm 65.It addition, according to embodiments of the invention, seat part 1 also includes drive rod 11, the two ends of this drive rod 11 are arranged on the first lift arm 51 and the second lift arm 52 respectively through bearing 12.Preferably, the length of drive rod 11 extends along the width of instrument.According to embodiments of the invention, the drive end 322 of flexible cable 32 is wrapped on drive rod 11；Further, at least one end of drive rod 11 is connected to driving handle 111.So, by applying driving force to driving handle 111, it is possible to make flexible cable 32 be wrapped in more on drive rod 11, thus lifting movable pulley 31, and then lifting portion 2 is made to move towards the lift location of lifting weight.Or, by discharging driving handle 111, it is possible to making flexible cable 32 discharge from drive rod 11, thus discharging movable pulley 31, and then making lifting portion 2 move towards curling position.
Further, according to embodiments of the invention, drive division includes the multiple movable pulley components arranged at intervals along the width of instrument.Such as but not limited to, two shown in Fig. 1 and Fig. 2 movable pulley component.Preferably, multiple movable pulley components are uniformly distributed, so that the stress in lifting portion 2 is more balanced.
It addition, according to embodiments of the invention, the instrument for lifting weight also includes location division, for lifting portion 2 is positioned at lift location.More specifically, location division is hook-like part 4, this hook-like part 4 is connected on transverse arm 65, and preferably, this hook-like part 4 opening is arranged towards the 3rd support arm 63.When lifting portion 2 is in lift location, hook-like part 4 hooks the 3rd support arm 63 such that it is able to positioned in lifting portion 2.
On the other hand, a kind of method that the present invention also provides for carrying roller changing belt feeder.The method utilizes above-mentioned instrument to be operated.
With reference to Fig. 3 and Fig. 4, belt feeder includes the carrying belt 101 of carrying material, and is positioned at the return belt 102 below carrying belt 101.Vertical direction between the bottom surface of the end face of the return belt 102 of belt feeder and carrying belt 101 is set as lifting and regains direction.According to embodiments of the invention, when changing carrying roller 103, first make the lifting portion 2 of instrument be in curling position, and place the tool above the position of the carrying roller 103 close to be replaced carried between belt 101 and return belt 102.Then, the preferred embodiment according to the present invention, seat part 1 is placed on the end face of return belt 102, utilizes drive division to drive lifting portion 2 to lift location, and utilize location division that lifting portion 2 is positioned at lift location.So, lifting portion 2 just can just carry belt 101 jack-up, such that it is able to the spacing between the end face of return belt 102 to the bottom surface of carrying belt 101 increased.So, it is possible to effectively release the belt a part of pretightning force to carrying roller 103, such that it is able to be easily implemented with the operation changing carrying roller 103.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode.In order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the instrument being used for lifting weight, it is characterised in that described instrument includes:
Seat part (1)；
Can along lifting and regain direction between lift location and curling position relative to the lifting portion (2) of described seat part (1) movement；
For driving described lifting portion (2) drive division of movement between described lift location and curling position；And
For described lifting portion (2) being positioned at the location division of described lift location, described location division is hook-like part (4), when described lifting portion (2) is in described lift location, described hook-like part (4) hooks described lifting portion (2) described lifting portion (2) to be positioned；
Described seat part (1) includes along described lifting and regains the first lift arm (51) and the second lift arm (52) that direction is arranged at intervals, and described lifting portion (2) includes the 3rd lift arm (53) and the 4th lift arm (54) that arrange at intervals along described lifting and withdrawal direction and parallel with described first lift arm (51) and the second lift arm (52) respectively；
Described seat part (1) includes along being perpendicular to described lifting and regaining the first support arm (61) and the second support arm (62) that the width of described instrument in direction is arranged at intervals, and described lifting portion (2) includes the 3rd support arm (63) and the 4th support arm (64) that arrange at intervals along described width and parallel with described first support arm (61) and the second support arm (62) respectively；
Wherein, described first support arm (61) is positioned at the bottom of described seat part (1), and described 4th support arm (64) is positioned at the top of described lifting portion (2)；And
Described first support arm (61) along the development length (L1) of described width more than or equal to the twice of the spacing distance (D1) between described first lift arm (51) and the second lift arm (52), described 4th support arm (64) along the development length (L2) of described width more than or equal to the twice of the spacing distance (D2) between described 3rd lift arm (53) and the 4th lift arm (54).
2. the instrument for lifting weight according to claim 1, it is characterised in that described drive division is movable pulley component, and this movable pulley component includes:
Movable pulley (31), this movable pulley (31) is arranged on described lifting portion (2)；And
Flexible cable (32), this flexible cable (32) is wound on described movable pulley (31) to drive described movable pulley (31) mobile, wherein, the fixing end (321) of described flexible cable (32) and drive end (322) are both connected in described seat part (1).
3. the instrument for lifting weight according to claim 2, it is characterised in that described drive division includes the multiple described movable pulley component arranged at intervals.
4. the instrument for lifting weight according to Claims 2 or 3, it is characterized in that, described first lift arm (51) and the second lift arm (52) be upper or the 3rd lift arm (53) and the 4th lift arm (54) are provided with make described lifting portion (2) along described lifting and withdrawal direction the guiding piece (7) relative to described seat part (1) movement.
5. the instrument for lifting weight according to claim 4, it is characterized in that, described guiding piece (7) is be separately fixed at that described first lift arm (51) and the second lift arm (52) be upper and axis along described lifting and regains multiple annulus that direction extends, and
Described 3rd lift arm (53) is set in the annulus on described first lift arm (51), and described 4th lift arm (54) is set in the annulus on described second lift arm (52).
6. the instrument for lifting weight according to claim 4, it is characterized in that, described seat part (1) includes drive rod (11), the two ends of this drive rod (11) are arranged on respectively through bearing (12) on described first lift arm (51) and the second lift arm (52), and the drive end (322) of described flexible cable (32) is wrapped on described drive rod (11)；And
At least one end of described drive rod (11) is connected to driving handle (111).
7. the instrument for lifting weight according to claim 6, it is characterized in that, described seat part (1) includes transverse arm (65), and the two ends of this transverse arm (65) are connected on described first lift arm (51) and the second lift arm (52)；
Wherein, the fixing end (321) of the flexible cable (32) of described movable pulley component is fixedly connected on described transverse arm (65).
8. the instrument for lifting weight according to claim 7, it is characterised in that described movable pulley (31) is connected on described 3rd support arm (63).
9. the instrument for lifting weight according to claim 8, it is characterized in that, described hook-like part (4) is connected on described transverse arm (65), and described hook-like part (4) hooks described 3rd support arm (63) described lifting portion (2) to be positioned when described lifting portion (2) is in described lift location.
10. the method for the carrying roller changing belt feeder, it is characterised in that in described method application claim 1-9, the instrument for lifting weight described in any one is operated, and at least comprises the following steps:
1) vertical direction between the bottom surface of the end face of the return belt (102) of belt feeder and carrying belt (101) it is set as described lifting and regains direction, and making described lifting portion (2) be in described curling position；
2) position of the carrying roller close to be replaced (103) that the described instrument being used for lifting weight is placed between described carrying belt (101) and return belt (102), and described seat part (1) is placed on the end face of described return belt (102)；
3) utilize described drive division to drive described lifting portion (2) to described lift location, and utilize described location division that described lifting portion (2) is positioned at described lift location；
4) implement to change the operation of described carrying roller (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048533.7A CN103879919B (en) | 2014-02-12 | 2014-02-12 | The method of instrument with the carrying roller changing belt feeder for lifting weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410048533.7A CN103879919B (en) | 2014-02-12 | 2014-02-12 | The method of instrument with the carrying roller changing belt feeder for lifting weight |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103879919A CN103879919A (en) | 2014-06-25 |
| CN103879919B true CN103879919B (en) | 2016-07-20 |
Family
ID=50949098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410048533.7A Active CN103879919B (en) | 2014-02-12 | 2014-02-12 | The method of instrument with the carrying roller changing belt feeder for lifting weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103879919B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151661A (en) * | 2015-07-30 | 2015-12-16 | 兖州煤业股份有限公司 | Booster for carrier roller replacement |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07206135A (en) * | 1994-01-26 | 1995-08-08 | Bridgestone Corp | Rainwater, etc., removing device for conveyor belt |
| US6371449B1 (en) * | 1999-09-24 | 2002-04-16 | Bruce T. Chamberlain | Portable motorcycle hoist |
| CN201389736Y (en) * | 2009-05-04 | 2010-01-27 | 中国水电建设集团路桥工程有限公司 | Carrier roller changer for heavy-duty belt conveyers |
| WO2011073455A1 (en) * | 2009-12-18 | 2011-06-23 | Inversiones Vinor, S.L. | Turning device for metal structures |
| CN201809111U (en) * | 2010-10-12 | 2011-04-27 | 修武县电业公司 | Lifting frame |
| CN201848681U (en) * | 2010-11-19 | 2011-06-01 | 山西晋城无烟煤矿业集团有限责任公司 | Roller replacement device of steel cord rubber belt conveyor |
| CN202028911U (en) * | 2011-04-14 | 2011-11-09 | 山西晋城无烟煤矿业集团有限责任公司 | Carrier roller assembly and disassembly assisting device for belt conveyer |
| CN202423897U (en) * | 2011-09-21 | 2012-09-05 | 山西太钢不锈钢股份有限公司 | High-voltage cabinet maintenance lift truck for power substation |
| CN202846106U (en) * | 2012-10-19 | 2013-04-03 | 吴瑞克 | Roller replacing device for belt conveyor |
| CN203833548U (en) * | 2014-02-12 | 2014-09-17 | 中国神华能源股份有限公司 | Tool for lifting heavy object |
-
2014
- 2014-02-12 CN CN201410048533.7A patent/CN103879919B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN103879919A (en) | 2014-06-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202704923U (en) | Cover plate lifting device | |
| CN108163754A (en) | A kind of rack-and-pinion control is for building machinery Lifting carrying platform | |
| CN205159918U (en) | Transmission line elevating gear | |
| CN103879919B (en) | The method of instrument with the carrying roller changing belt feeder for lifting weight | |
| CN104401726B (en) | The automatic material taking lifting device of conveying bar reinforcing bar equipment | |
| CN206511875U (en) | A kind of shear-type elevator with conveyer belt | |
| CN204751566U (en) | Portable loading transfer device | |
| CN204897280U (en) | Movable hoist height adjustable portable crane | |
| CN103344444B (en) | The automatic tyre mounting device of tyre tester and method | |
| CN203833548U (en) | Tool for lifting heavy object | |
| CN202558583U (en) | Lifting type carrier vehicle | |
| CN207076672U (en) | A kind of hoisting type building steel tube sorter lifting apparatus | |
| CN203936867U (en) | Blower fan dismounting stand | |
| CN203809604U (en) | High-gravity-field drag chain supporting device | |
| CN204780605U (en) | Prestressed anchorage cable machine of reeving | |
| CN203696897U (en) | Device and equipment for replacing belt conveyor roller | |
| CN203865936U (en) | Moving hand crane | |
| CN218316807U (en) | Film blowing conversion paper core transfer cart | |
| CN202828692U (en) | Device for unloading goods on high position | |
| CN204203013U (en) | A kind of steel frotton scram impact fatigue testing machine | |
| CN204038333U (en) | A kind of inlet pipe device | |
| RU2011133489A (en) | UNIVERSAL INSTALLATION FOR MANUFACTURING PIPE ASSEMBLIES | |
| CN203918429U (en) | The adjustable for height curtain of a kind of mechanical hand is worn sheet machine | |
| CN213038819U (en) | Protector for construction | |
| CN203946852U (en) | Mobile cargo gig |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee after: China Shenhua Energy Co.,Ltd. Patentee after: Guoneng Huanghua Port Co.,Ltd. Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: China Shenhua Energy Co.,Ltd. Patentee before: SHENHUA HUANGHUA PORT Co.,Ltd. |