CN203381430U - Trolley wheel disassembling and assembling trolley - Google Patents
Trolley wheel disassembling and assembling trolley Download PDFInfo
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- CN203381430U CN203381430U CN201320490413.3U CN201320490413U CN203381430U CN 203381430 U CN203381430 U CN 203381430U CN 201320490413 U CN201320490413 U CN 201320490413U CN 203381430 U CN203381430 U CN 203381430U
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- dolly
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Abstract
The utility model discloses a trolley wheel disassembling and assembling trolley which comprises a first center shaft, walking wheels hinged to the first center shaft, a lever mechanism and a clamping device. The lever mechanism comprises a disassembling and assembling supporting arm, an operation arm and a hinged part which is hinged to the first center shaft. One end of the operation arm is connected with the hinged part. The other end of the operation arm is provided with a handle for manual holding. One end of the disassembling and assembling supporting arm is connected with the hinged part. The length of the disassembling and assembling supporting arm is smaller than that of the operation arm. The included angle between the disassembling and assembling supporting arm and the operation arm is a preset included angle which is larger than 90 degrees and smaller than 180 degrees and is fixed. The clamping device is used for locating a trolley wheel on the disassembling and assembling supporting arm. One end of the disassembling and assembling supporting arm is fixedly connected with the clamping device. According to the trolley wheel disassembling and assembling trolley, the disassembling and assembling supporting arm and the operation arm form a lever with the first center shaft as a supporting point, workers can easily carry out raising, lifting, fixing, mounting and the like on the trolley wheel according to the lever principle, operation is simple, labor intensity is small, and safety is achieved.
Description
Technical field
The utility model relates to the central cooler field, particularly a kind of wheel dolly.
Background technology
Central cooler is one of main equipment for sintering, and its effect is to blast gas by blower fan, makes gas by bellows and Tai Che Bi plate, through the bed of material, by the high temperature sintering ore deposit of 600-700 degree, is undertaken cooling.Chassis is an important component part of central cooler, and motor drives the chassis wheel of chassis to move on elliptical orbit.
In process of production, frequently to break down be the one of the main reasons that central cooler is shut down for chassis wheel.Cause the reason of chassis wheel fault to have: the 1. chassis wheel bearing oil starvation of erecting bed wheel on chassis, cause bearing frame and roller unlubricated friction, thereby aggravated the damage of bearing holdere, affect the normal operation that chassis is taken turns; 2. the central cooler sideslip, cause the chassis wheel to bear certain axial load and radial weight, and chassis internal lock jack panel or thrust washer are damaged, and causes the mechanical breakdowns such as the chassis wheel turns around; 3. the chassis wheel bearing, due to quality problems own or because environment badly enters dust, causes the chassis wheel bearing to damage too early.
In central cooler equipment periodical repair or maintenance process; the maintainer usually can be changed whole chassis wheel bearings and chassis wheel; but; narrow and small and the factor impact such as chain sling operation can't be installed due to the working space of changing the chassis wheel, the staff can only a dead lift chassis wheel and artificial erecting bed wheel.Take the 380M2 central cooler as example, and this central cooler has 60 chassis, and 2 chassis wheels are arranged on every chassis, thereby this central cooler always has 120 chassis wheels, and, each chassis wheel load 190KG.Visible, chassis is taken turns more than quantity, and weight is heavy, to overhaul of the equipments, has brought certain difficulty and potential safety hazard.
Therefore, in central cooler is carried out to equipment periodical repair and maintenance process, the labour intensity and the task difficulty that how to reduce the maintenance of chassis wheel and install, and reduce potential safety hazard, be those skilled in the art's technical matterss urgently to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of wheel dolly, in the central cooler maintenance process, for Transport Desk wheel ancillary staff, the chassis wheel is carried out to dismounting, labour intensity and task difficulty while to reduce chassis, taking turns maintenance and fitting operation, and reduce potential safety hazard.
For achieving the above object, the utility model provides following technical scheme:
A kind of wheel dolly comprises:
The first center shaft;
Road wheel, described road wheel and described the first center shaft are hinged;
Leverage, described leverage comprises dismounting hold-down arm, control arm and articulated section, described articulated section and described the first center shaft are hinged, one end of described control arm is connected with described articulated section, the other end is provided with the handle for manually controlling, one end of described dismounting hold-down arm is connected with described articulated section, the length of described dismounting hold-down arm is less than the length of described control arm, angle between described dismounting hold-down arm and described control arm is default angle, and described default angle is greater than 90 degree and is less than 180 degree and immobilizes;
For the chassis wheel is positioned to the chucking device on described dismounting hold-down arm, an end and described chucking device that described dismounting hold-down arm is not connected with described articulated section are connected, when described chassis wheel is carried out to the dismounting location, the central axis of the described chassis wheel in described chucking device is positioned at horizontal surface.
Preferably, in above-mentioned wheel dolly, described road wheel comprises road wheel spoke and road wheel body, and the steel plate that described road wheel body is 8-12mm by thickness rolls and forms, and is hinged on described the first center shaft by described road wheel spoke.
Preferably, in above-mentioned wheel dolly, also comprise:
The second center shaft;
Support wheel, described support wheel and described the second center shaft are hinged;
The positioning support strut, the center shaft of described positioning support strut one end and described road wheel is hinged, and the center shaft of the other end and described support wheel is hinged;
Radius stay, described radius stay one end and described positioning support strut removably connect by the first bolt, and the other end and described control arm removably connect by the second bolt.
Preferably, in above-mentioned wheel dolly, on described radius stay, be provided with vertically a plurality of for the mounting hole of described the first bolt is installed.
Preferably, in above-mentioned wheel dolly, described support wheel comprises support wheel spoke and support wheel wheel body, and the steel plate that described support wheel wheel body is 8-12mm by thickness rolls and forms, and is hinged on described the second center shaft by described support wheel spoke.
Preferably, in above-mentioned wheel dolly, described leverage has two, and two described leverages be arranged in parallel and lay respectively at the both sides of described road wheel; Described chucking device comprises curved plate and the draw-in groove of taking turns for the described chassis of clamping, and the two ends of described curved plate are connected with two ends of two described dismounting hold-down arms respectively, and the outside, two ends of described curved plate is respectively arranged with described draw-in groove.
Preferably, in above-mentioned wheel dolly, between two described leverages, by crossbeam, strengthen connecting.
Preferably, in above-mentioned wheel dolly, be provided with the adjustment hole of a plurality of differing heights on described curved plate, for regulating the setting height(from bottom) of described chassis wheel.
Preferably, in above-mentioned wheel dolly, described leverage adopts the block plate system of cutting to form.
Adopt the main working process of above-mentioned wheel dolly disassembly table wheel to be: at first, the chassis wheel to be fixed on chucking device; Afterwards, remove chassis wheel bearing end cap and internal lock jack panel etc., with sledgehammer tapping chassis wheel both sides wheel hub; Then, compress the handle on control arm, the platform wheel dolly is drawn to the direction away from chassis, thereby the chassis wheel is pulled out; Finally, the chassis wheel is had bad luck to correct position.
Adopt the main working process of above-mentioned wheel dolly erecting bed wheel to be: at first, the chassis wheel to be fixed on chucking device; Afterwards, the chassis wheel is transported on central cooler to the place that needs the erecting bed wheel; Then, by the handle on control arm, the platform wheel dolly is pushed away forward, the chassis wheel is installed on central cooler; Finally, erecting bed Wheel bearing end cap and internal lock jack panel etc.
From technique scheme, can find out, the platform wheel dolly that the utility model embodiment provides is not only simple in structure, cost of manufacture is cheap, and, with narrow and small and can only compare by the phenomenon of manually carry replacing owing to changing the platform wheel space in prior art, the utility model passes through by the dismounting hold-down arm, the lever system that control arm and the first center shaft form, make the staff just the chassis wheel can be lifted and be located the installation site on central cooler easily when the erecting bed wheel, and, the staff also can hold the chassis wheel and it is broken away to central cooler by the chucking device of this wheel dolly when the disassembly table wheel, it is not only simple to operate, labour intensity is little, and because the chassis wheel is fixed by chucking device all the time, thereby avoided the chassis wheel to come off or rolled and jeopardize the hidden danger generation of staff safety.Therefore, the platform wheel dolly that adopts the utility model embodiment to provide, be suitable for the workplace that central cooler is changed the chassis wheel bearing in a large number.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The front elevation of the platform wheel dolly that Fig. 1 provides for the utility model embodiment;
The right elevation of the platform wheel dolly that Fig. 2 provides for the utility model embodiment;
Mounting structure schematic diagram between the platform wheel dolly that Fig. 3 provides for the utility model embodiment and chassis wheel;
The work schematic diagram of the platform wheel dolly that Fig. 4 provides for the utility model embodiment when the disassembly-and-assembly stand wheel.
Wherein, 1 is support wheel, and 2 is the positioning support strut, 3 is control arm, and 4 is adjustment hole, and 5 is adjust bar, 6 is road wheel, and 61 is the road wheel body, and 62 is the road wheel spoke, 7 is the dismounting hold-down arm, and 8 is chucking device, and 81 is curved plate, 82 is draw-in groove, and 9 is knock hole, and 10 is the chassis wheel, 11 is the first center shaft, and 12 is the second center shaft.
The specific embodiment
The utility model discloses a kind of wheel dolly, in the central cooler maintenance process, for Transport Desk wheel ancillary staff, the chassis wheel is carried out to dismounting, labour intensity and task difficulty when to reduce the chassis wheel bearing, keeping in repair and installing, and reduce potential safety hazard.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 4, the front elevation of the platform wheel dolly that Fig. 1 provides for the utility model embodiment, the right elevation of the platform wheel dolly that Fig. 2 provides for the utility model embodiment, mounting structure schematic diagram between the platform wheel dolly that Fig. 3 provides for the utility model embodiment and chassis wheel, the work schematic diagram of the platform wheel dolly that Fig. 4 provides for the utility model embodiment when the disassembly-and-assembly stand wheel.
The platform wheel dolly that the utility model embodiment provides, comprise the first center shaft 11, road wheel 6, leverage and chucking device 8.Wherein, road wheel 6 and the first center shaft 11 are hinged, thereby can rotate and realize transportation around the first center shaft 11; Leverage comprises dismounting hold-down arm 7, control arm 3 and articulated section, wherein, articulated section and the first center shaft 11 are hinged, one end of dismounting hold-down arm 7 all is connected with articulated section with an end of control arm 3, the other end of control arm 3 is provided with the handle for manually controlling, and the length of dismounting hold-down arm 7 is less than the length of control arm 3, angle between dismounting hold-down arm 7 and control arm 3 is default angle, and default angle is greater than 90 degree and is less than 180 degree and immobilizes; An end and chucking device 8 that dismounting hold-down arm 7 is not connected with articulated section are connected, chucking device 8 is for being positioned at dismounting hold-down arm 7 by chassis wheel 10, so that take turns and facilitate chassis wheel 10 and the installation site contraposition of chassis wheel 10 on central cooler at 10 o'clock at the installation or removal chassis, play the effect of supporting fixed way wheel 10, when chassis wheel 10 is carried out to the dismounting location, as shown in Figure 3, the central axis of the described chassis wheel 10 in chucking device 8 is positioned at horizontal surface.
At this, it should be noted that, the length of dismounting hold-down arm 7 refers to along the length of the central axis of dismounting hold-down arm 7 length directions, the length of control arm 3 refers to along the length of the central axis of control arm 3 length directions, and the angle between dismounting hold-down arm 7 and control arm 3 refers to the angle formed between the central axis by the central axis of dismounting hold-down arm 7 length directions and control arm 3 length directions.
Adopt the main working process of above-mentioned wheel dolly disassembly table wheel to be: at first, chassis wheel 10 to be fixed on chucking device 8; Afterwards, remove chassis wheel bearing end cap and internal lock jack panel etc., with sledgehammer tapping chassis, take turns 10 both sides wheel hubs; Then, compress the handle on control arm 3, the platform wheel dolly is drawn to the direction away from chassis, thereby chassis wheel 10 is pulled out; Finally, chassis wheel 10 is had bad luck to correct position.
Adopt the main working process of above-mentioned wheel dolly erecting bed wheel to be: at first, chassis wheel 10 to be fixed on chucking device 8; Afterwards, chassis wheel 10 is transported on central cooler to the place that needs erecting bed wheel 10; Then, by the handle on control arm 3, the platform wheel dolly is pushed away forward, chassis wheel 10 is installed on central cooler; Finally, erecting bed Wheel bearing end cap and internal lock jack panel etc.
From technique scheme, can find out, the platform wheel dolly that the utility model embodiment provides is not only simple in structure, cost of manufacture is cheap, and, with narrow and small and can only compare by the phenomenon of manually carry replacing owing to changing the platform wheel space in prior art, the utility model passes through by dismounting hold-down arm 7, the lever system that control arm 3 and the first center shaft 11 form (dismounting hold-down arm 7 and control arm 3 take the first center shaft 11 be fulcrum), make the staff just the chassis wheel can be lifted and be located the installation site on central cooler easily when erecting bed wheel 10, and, the staff also can hold chassis wheel 10 and it is broken away to central cooler by the chucking device 8 of this wheel dolly when disassembly table wheel 10, it is not only simple to operate, labour intensity is little, and because chassis wheel 10 is fixed by chucking device 8 all the time, thereby avoided chassis wheel 10 to come off or rolled and jeopardize the hidden danger generation of staff safety.Therefore, the platform wheel dolly that adopts the utility model embodiment to provide, be suitable for the workplace that central cooler is changed the chassis wheel bearing in a large number.
In order further to optimize technique scheme, also be provided with the second center shaft 12, support wheel 1, positioning support strut 2 and radius stay 5 on above-mentioned wheel dolly.Wherein, support wheel 1 and the second center shaft 12 are hinged, thereby can rotate around the second center shaft 11; The center shaft of positioning support strut 2 one ends and road wheel 6 is hinged, and the center shaft of the other end and support wheel 1 is hinged; Radius stay 5 one ends and positioning support strut 2 removably connect by the first bolt, and the other end and control arm 3 removably connect by the second bolt, thereby control arm 3 is fixedly connected with support wheel 1.At the wheel of the chassis on central cooler, chassis wheel bearing etc., keeped in repair or dismounting when operation, can pass through support wheel 1 supporting trolley, and the length that makes radius stay 5 adapts to the setting height(from bottom) of chassis wheel 10, so that the staff vacates both hands, carries out concrete maintenance work.
In order further to optimize technique scheme, be provided with vertically a plurality of mounting holes 4 for the first bolt is installed on radius stay 5 in above-described embodiment, thereby make the actual installation length (" actual installation length " refers to the distance between the first bolt and the second bolt on radius stay 5) of radius stay 5 adjustable.Yi Zhi, when road wheel 6 and support wheel 1 all land, the height of the chassis wheel 10 in chucking device 8 and chucking device 8 can be raised or reduce to the actual installation length of adjusting radius stay 5 accordingly, thereby the chassis wheel that makes same platform wheel dolly can adapt to different model is installed.But be not limited to this, in other specific embodiment, can also be provided with vertically a plurality ofly for the mounting hole of the second bolt is installed on radius stay 5, can reach equally the purpose of regulating radius stay 5 actual installation length.Therefore, the utility model is to this and be not specifically limited.
In the specific embodiment provided at the utility model, as shown in Figure 2, two leverages are arranged in a platform wheel dolly, these two leverages be arranged in parallel, and lay respectively at the both sides of road wheel 6, in a preferred embodiment, can also make between two leverages and strengthen connecting by crossbeam; And chucking device 8 comprises curved plate and, for the draw-in groove 82 of clamping chassis wheel 10, the two ends of curved plate 81 are connected with two ends of two dismounting hold-down arms 7 respectively, the outside, two ends of curved plate 81 is respectively arranged with draw-in groove 82.Further, be provided with the adjustment hole 9 for adjusting bolt is installed of a plurality of differing heights on above-mentioned curved plate 81, with setting height(from bottom) or installation dimension to chassis wheel 10, carry out the comformability adjusting.
Thereby, when adopting this wheel dolly disassembly table wheel: at first, chassis wheel 10 is fixed on chucking device 8; Afterwards, adjust the distance (positioning with the height to chucking device in dismantlement work 8) between support wheel 1 and control arm 3 by radius stay 5, and fix with the first bolt, when being finely tuned further to adapt to central cooler while appearing on the stage the height of wheel to the height of chucking device 8, regulate the setting height(from bottom) (by selecting the adjustment hole 9 of differing heights) of the adjusting bolt on curved plate 81, to realize accurate location, obtain suitable chassis location dimension is installed; Then, remove chassis wheel bearing end cap and internal lock jack panel etc., with sledgehammer tapping chassis, take turns 10 both sides wheel hubs; Afterwards, compress the handle on control arm 3, the platform wheel dolly is pulled outwardly, thereby chassis wheel 10 is pulled out, last, chassis wheel 10 is had bad luck to correct position.
Accordingly, adopt the main working process of above-mentioned wheel dolly erecting bed wheel to be: at first, distance between support wheel 1 and control arm 3 is adjusted in advance by radius stay 5, and, the setting height(from bottom) of the adjusting bolt on curved plate 81 is also adjusted in advance, with the height that makes chucking device 8, adapts to circular cooler trolley appear on the stage setting height(from bottom) and the installation dimension of wheel; Then, chassis wheel 10 is fixed on chucking device 8; Afterwards, chassis wheel 10 is transported on central cooler to the place that needs erecting bed wheel 10; Afterwards, by the handle on control arm 3, the platform wheel dolly is pushed away forward, chassis wheel 10 is installed on central cooler; Finally, erecting bed Wheel bearing end cap and internal lock jack panel etc.
In order further to optimize technique scheme, the road wheel 6 of above-mentioned wheel dolly comprises road wheel spoke 62 and road wheel body 61, road wheel body 61 is that 8-12mm(is preferably 10mm by thickness) steel plate roll and form, and be hinged on the first center shaft 11 by road wheel spoke 62, the Main Function of road wheel 6 is plummer wheel weight.Further, support wheel 1 comprises support wheel spoke and support wheel wheel body, support wheel wheel body is that 8-12mm(is preferably 10mm by thickness) steel plate roll and form, and be hinged on the second center shaft 12 by the support wheel spoke, the Main Function of support wheel 1 is supporting role, for chassis wheel installation dimension is fixed on to correct position.In technique scheme, road wheel 6 all adopts hollow structure with support wheel 1, thereby, alleviate the overall weight of platform wheel dolly, and be conducive to platform wheel dolly convey table wheel reposefully on job platform.Further, the leverage of above-mentioned wheel dolly adopts the block plate system of cutting to form, to strengthen arm of force intensity.
But, the preferred specific embodiment of part that technique scheme only provides for the utility model, those skilled in the art easily expect other specific embodiment accordingly, for example, road wheel 6 in the platform wheel dolly also can be set to two, and leverage also can be between road wheel 6; For example, leverage is not limited to and uses the integral type steel plate system of cutting to form, and in leverage, dismounting hold-down arm 7, control arm 3 and articulated section can be the different pieces of integral type steel plate, can be also three parts that are fixedly connected with; For example, chucking device 8 is not limited to by curved plate 81 and draw-in groove 82 and forms, and in other specific embodiment, chucking device 8 can also form by brace panel with for a plurality of fixtures of clamping bench wheel 10, etc.Therefore, the utility model is to this and be not specifically limited.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a platform wheel dolly, is characterized in that, comprising:
The first center shaft (11);
Road wheel (6), described road wheel (6) is hinged with described the first center shaft (11);
Leverage, described leverage comprises dismounting hold-down arm (7), control arm (3) and articulated section, described articulated section and described the first center shaft (11) are hinged, one end of described control arm (3) is connected with described articulated section, the other end is provided with the handle for manually controlling, one end of described dismounting hold-down arm (7) is connected with described articulated section, the length of described dismounting hold-down arm (7) is less than the length of described control arm (3), angle between described dismounting hold-down arm (7) and described control arm (3) is default angle, described default angle is greater than 90 degree and is less than 180 degree and immobilizes,
For chassis wheel (10) is positioned to the chucking device (8) on described dismounting hold-down arm (7), the end that described dismounting hold-down arm (7) is not connected with described articulated section and described chucking device (8) are connected, when described chassis wheel (10) is carried out to the dismounting location, the central axis of the described chassis wheel (10) in described chucking device (8) is positioned at horizontal surface.
2. according to claim 1 wheel dolly, it is characterized in that, described road wheel (6) comprises road wheel spoke (62) and road wheel body (61), the steel plate that described road wheel body (61) is 8-12mm by thickness rolls and forms, and is hinged on described the first center shaft (11) by described road wheel spoke (62).
3. according to claim 1 wheel dolly, is characterized in that, also comprises:
The second center shaft (12);
Support wheel (1), described support wheel (1) is hinged with described the second center shaft (12);
Positioning support strut (2), the center shaft of described positioning support strut (2) one ends and described road wheel (6) is hinged, and the center shaft of the other end and described support wheel (1) is hinged;
Radius stay (5), described radius stay (5) one ends and described positioning support strut (2) removably connect by the first bolt, and the other end and described control arm (3) removably connect by the second bolt.
4. according to claim 3 wheel dolly, is characterized in that, is provided with vertically a plurality of mounting holes (4) for described the first bolt is installed on described radius stay (5).
5. according to claim 3 wheel dolly, it is characterized in that, described support wheel (1) comprises support wheel spoke and support wheel wheel body, the steel plate that described support wheel wheel body is 8-12mm by thickness rolls and forms, and is hinged on described the second center shaft (12) by described support wheel spoke.
6. according to claim 1 wheel dolly, is characterized in that, described leverage has two, and two described leverages be arranged in parallel and lay respectively at the both sides of described road wheel (6); Described chucking device (8) comprises curved plate (81) and takes turns the draw-in groove (82) of (10) for the described chassis of clamping, the two ends of described curved plate (81) are connected with two ends of two described dismounting hold-down arms (7) respectively, and the outside, two ends of described curved plate (81) is respectively arranged with described draw-in groove (82).
7. according to claim 6 wheel dolly, is characterized in that, between two described leverages, by crossbeam, strengthens connecting.
8. according to claim 6 wheel dolly, is characterized in that, is provided with the adjustment hole (9) of a plurality of differing heights on described curved plate (81), for regulating the setting height(from bottom) of described chassis wheel (10).
9. according to described wheel dolly of claim 1-8 any one, it is characterized in that, described leverage adopts the block plate system of cutting to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490413.3U CN203381430U (en) | 2013-08-12 | 2013-08-12 | Trolley wheel disassembling and assembling trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320490413.3U CN203381430U (en) | 2013-08-12 | 2013-08-12 | Trolley wheel disassembling and assembling trolley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203381430U true CN203381430U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320490413.3U Expired - Fee Related CN203381430U (en) | 2013-08-12 | 2013-08-12 | Trolley wheel disassembling and assembling trolley |
Country Status (1)
| Country | Link |
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| CN (1) | CN203381430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395342A (en) * | 2013-08-12 | 2013-11-20 | 莱芜钢铁集团有限公司 | Trolley wheel dismounting and mounting cart |
-
2013
- 2013-08-12 CN CN201320490413.3U patent/CN203381430U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103395342A (en) * | 2013-08-12 | 2013-11-20 | 莱芜钢铁集团有限公司 | Trolley wheel dismounting and mounting cart |
| CN103395342B (en) * | 2013-08-12 | 2015-11-11 | 莱芜钢铁集团有限公司 | A kind of trolley wheel dismounting dolly |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20160812 |