CN202203228U - Adjustable automatic loading and unloading device - Google Patents
Adjustable automatic loading and unloading device Download PDFInfo
- Publication number
- CN202203228U CN202203228U CN2011203152525U CN201120315252U CN202203228U CN 202203228 U CN202203228 U CN 202203228U CN 2011203152525 U CN2011203152525 U CN 2011203152525U CN 201120315252 U CN201120315252 U CN 201120315252U CN 202203228 U CN202203228 U CN 202203228U
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- Prior art keywords
- strut
- handling device
- connected piece
- cylinder body
- automatic handling
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- 238000004146 energy storage Methods 0.000 claims abstract description 9
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 25
- 239000003921 oil Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides an automatic handling device with adjustable. According to the utility model discloses an auto-control handling device with adjustable, first by connecting piece and second by the connecting piece pass through auto-control handling device with adjustable connect, auto-control handling device with adjustable includes: the driving system comprises a cylinder body, a piston and a supporting rod, the supporting rod penetrates through the first connected piece and the second connected piece, the supporting rod is fixedly connected with the piston, and the first end of the cylinder body is pressed against the second connected piece; an energy storage system comprising a spring assembly; the limiting adjusting system is connected with the supporting rod and comprises a first limiting adjusting portion, and the first limiting adjusting portion and the supporting rod are provided with a first position penetrating out of the first connected piece and a second position abutting against the first connected piece. The utility model discloses when loading and unloading very heavy two spare parts, the time of loading and unloading is showing and is reducing to intensity of labour is less.
Description
Technical field
The utility model relates to the engineering machinery installing area, more specifically, relates to a kind of adjustable automatic handling device.
Background technique
At present, the installation between component nearly all connects with bolt and nut on the engineering machinery.As shown in Figure 1, two connected pieces 200 ' and 300 ' connected piece 100 ' link together, and link 100 ' comprises the parts such as packing ring between bolt, nut and bolt and the connected piece.
Though this Placement is widely applicable, yet, for the frequent component of the heavy type of loading and unloading of need, two connected pieces are assembled together, need use more tools even other equipment could be accomplished.And, use screw bolt and nut to carry out the connection between the heavy parts, labor strength is very big, wastes time and energy.
In addition, use the mode of screw bolt and nut to connect, need certain installing space.This fit does not have advantage yet, even can not realize for the narrow and small situation of installing space.
The model utility content
The utility model purpose is to solve the problems referred to above that exist in the existing technology, provides a kind of installation and removal time saving and energy saving, and can reduce the adjustable automatic handling device of operator's labor intensity.
The utility model provides a kind of adjustable automatic handling device; First connected piece is connected through adjustable automatic handling device with second connected piece; Adjustable automatic handling device comprises: drive system, comprise cylinder body, piston and strut, and strut passes first connected piece and second connected piece; Strut is fixedly connected with piston, and first end of cylinder body is pressed on second connected piece; Energy-storage system comprises spring assembly, and first end of spring assembly is pressed on second end of cylinder body; Spacing regulating system is connected with strut, and spacing regulating system comprises the first spacing adjusting portion, and the first spacing adjusting portion and strut have the primary importance that passes first connected piece and be pressed on the second place on first connected piece.
Further, spacing regulating system also comprises the second spacing adjusting portion, and the second spacing adjusting portion is set on the strut and is pressed on second end of spring assembly.
Further, the second spacing adjusting portion is an adjusting nut, and adjusting nut is threaded with strut.
Further, energy-storage system also comprises spring protection portion, and first end of spring protection portion is fixedly connected with second end of cylinder body, and spring assembly is set on the strut and is arranged in the spring protection portion.
Further, second end of spring protection portion is provided with the controllable register that can move along the axial direction of spring assembly, and the second spacing adjusting portion is pressed on the controllable register.
Further, the adjacent side of controllable register and spring protection portion is provided with dust ring.
Further, drive system also comprises the pressure source connecting tube, and the pressure source connecting tube is connected with the inside of cylinder body.
Further, second end of cylinder body is provided with the piston end cap, and the side towards cylinder interior of piston end cap has boss, and the distance towards the end face of a side of cylinder interior of the end face of boss along the axial direction of strut apart from the piston end cap is H
1, having filler opening on the pressure source connecting tube, the ultimate range towards the end face of a side of cylinder interior of filler opening along the axial direction of strut apart from the piston end cap is H
2, wherein, H
1＞H
2
Further, first end of cylinder body is fixedly connected with second connected piece.
Further, the first spacing adjusting portion comprises stop nut, and stop nut is threaded with strut.
Further, first connected piece is provided with load hole and the positioning hole that is interconnected, and the stop nut that is set in strut passes load hole when being in primary importance, is pressed on the edge of positioning hole when stop nut is in the second place.
Adopt the adjustable automatic handling device of the utility model, when connecting first connected piece and second connected piece, at first, make its power under original state equal to connect required power according to its spring force that connects the spring assembly of needed power adjustment.Re-use drive system spring assembly is compressed, the distance of first end that makes win spacing adjusting portion and cylinder body is greater than the joint thickness sum of first connected piece and second connected piece.Subsequently, first end of cylinder body is pressed on second connected piece, and makes the first spacing adjusting portion pass first connected piece to be in primary importance, make the spacing adjusting portion that wins adjust to the second place again from primary importance.At this moment, the unloading drive system, then spring assembly resilience, its spring force equals to connect required power, and this moment first, spacing adjusting portion was pressed on first connected piece, through elastic force first connected piece and second connected piece was linked together.Adjustable automatic handling device, in the occasion of the component of the frequent loading-unloading heavy of needs, it is time saving and energy saving to have played, and reduces the effect of labor intensity.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the linkage structure schematic representation of existing engineering machinery part;
Fig. 2 is the main TV structure schematic representation according to the adjustable automatic handling device of the utility model;
Fig. 3 is the partial enlarged drawing of Fig. 2; And
Fig. 4 is the side-looking structural representation according to the connected piece of the adjustable automatic handling device of the utility model.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Adjustable automatic handling device according to the utility model; First connected piece 200 is connected through adjustable automatic handling device 100 with second connected piece 300; Adjustable automatic handling device 100 comprises: drive system, comprise cylinder body 131, piston 133 and strut 135, and strut 135 passes first connected piece 200 and second connected piece 300; Strut 135 is fixedly connected with piston 133, and first end of cylinder body 131 is pressed on second connected piece 300; Energy-storage system comprises spring assembly 121, and first end of spring assembly 121 is pressed on second end of cylinder body 131; Spacing regulating system is connected with strut 135, and spacing regulating system comprises the first spacing adjusting portion, and the first spacing adjusting portion and strut 135 have the primary importance that passes first connected piece 200 and be pressed on the second place on first connected piece 200.
As shown in Figures 2 and 3; Adopt the adjustable automatic handling device of the utility model; When connecting first connected piece 200 and second connected piece 300, at first, make its power under original state equal to connect required power according to its spring force that connects the spring assembly 121 of needed power adjustment.Re-use drive system with spring assembly 121 compression, the distance of first end that makes win spacing adjusting portion and cylinder body 131 is greater than the joint thickness sum of first connected piece 200 and second connected piece 300.Subsequently; First end of cylinder body 131 is pressed on second connected piece 300; And make the first spacing adjusting portion pass first connected piece 200 and be in primary importance, make the spacing adjusting portion that wins adjust to the second place on first connected piece 200 again from primary importance.At this moment, the unloading drive system, then spring assembly 121 resiliences, its spring force equals to connect first connected piece 200 and the required power of second connected piece 300.At this moment, the first spacing adjusting portion is pressed on first connected piece 200, and first end of cylinder body 131 is pressed on second connected piece 300, and spring assembly 121 extruding cylinder bodies 131 link together first connected piece 200 and second connected piece 300 through elastic force.Adjustable automatic handling device, in the occasion of the component of the frequent loading-unloading heavy of needs, it is time saving and energy saving to have played, and reduces the effect of labor intensity.
Preferably, drive system also comprises pressure source connecting tube 134, and pressure source connecting tube 134 is connected with the inside of cylinder body 131.
As shown in Figure 2, in the present embodiment, drive system is a cylinder system, and it mainly comprises cylinder body 131 pistons 133 and strut 135, and wherein, second end of cylinder body 131 is a piston end cap 132.In addition, also comprise pressure source connecting tube 134, be arranged on the side of cylinder body 131, and be connected with the inside of cylinder body 131, pressure source connecting tube 134 is used to connect hydraulic oil.
In the present embodiment, pressure source connecting tube 134 is an oil connection, and the sides towards cylinder body 131 inside of piston end cap 132 have boss, and cylinder body 131 is integrally welded with the piston end cap 132 and the oil connection of band boss.Before in pressure source connecting tube 134, not feeding hydraulic oil, piston 133 is in initial position, and under the effect of spring assembly 121, first end face of piston 133 and the end face of boss fit.Because the space that has certain distance and form relative closure between the internal surface of the setting of boss, piston 133 its first end face and piston end cap 132 when initial position, oil connection space therewith is connected.Preferably, pressure source connecting tube 134 is provided with oil inlet hole, and this oil inlet hole space therewith is connected.
Strut 135 passes and passes through the boss axially locating of piston end cap 132 from the endoporus of piston end cap 132.On the inwall of piston end cap 132 endoporus strut seal ring 137 is housed, prevents that hydraulic oil from leaking.Strut 135 is integrally welded at shaft shoulder place and piston 133, and the outer rim of piston 133 is equipped with piston packing 136 and cooperates with cylinder body 131.The two ends of strut 135 stretch out from cylinder body 131 and piston end cap 132 respectively.Dust ring 138 is housed, to prevent the cylinder body 131 inner dusts that get between the end of strut 135 and cylinder body 131.
In other embodiments, drive system also can be the power system that air pressure drives, and then pressure source connecting tube 134 is a gas-tpe fitting.
As shown in Figure 2, spacing regulating system comprises that also spacing adjusting portion of the second spacing adjusting portion 112, the second 112 is set on the strut 135 and is pressed on second end of spring assembly 121.Preferably, the second spacing adjusting portion 112 is an adjusting nut, and adjusting nut is threaded with strut 135.
In the present embodiment, the second spacing adjusting portion 112 compresses with second end of spring assembly 121 mutually, through the adjustment to the position of the second spacing adjusting portion 112, the size of the spring force that Regulation spring assembly 121 produces.Particularly, strut 135 stretches out from energy-storage system, and the second spacing adjusting portion 112 is adjusting nut and is connected with the threaded one end of strut 135.Adjusting nut is used for when initial position connecting needed power according to two parts and adjusts the required spring force of spring assembly 121.When the connection power of two connected components changes; Through inwardly or outwards adjusting of adjusting nut; Thereby make the initial spring force of spring assembly 121 become big or diminish, connect first connected piece 200 and the required spring force of second connected piece 300 to satisfy.
Preferably, first end of cylinder body 131 is fixedly connected with second connected piece 300.
When connecting two component, generally be installed in this automatic handling device on the parts that will connect with fixed block in advance with this automatic handling device.In the present embodiment, second end with cylinder body 131 is fixed on second connected piece 300 with bolt 140 in advance, makes it to be fixedly connected with second connected piece 300.During connection, automatic handling device is done as a wholely to be connected with first connected piece 200 in second connected piece 300.This kind mode is convenient to operation.
According to an embodiment of the utility model, the first spacing adjusting portion comprises stop nut 114, and stop nut 114 is threaded with strut 135.
As shown in Figure 2, stop nut 114 is arranged on an end of strut 135 and is threaded with it.In the present embodiment, the first spacing adjusting portion also comprises packing ring 113, and packing ring 113 is arranged between the stop nut 114 and first connected piece 200.After having confirmed connection power required between first link 200 and second link 300; Through adjustment stop nut 114 and packing ring 113; Can adjust the distance between first end of packing ring 113 and cylinder body 131, make it to satisfy and connect required distance between first connected piece 200 and second connected piece 300.Thereby after the driving force unloading of drive system, packing ring 113 is close on first connected piece 200, first end of cylinder body 131 is close on second link 300, accomplishes the tight connection to two connected pieces.
First connected piece 200 is provided with the load hole that is interconnected 210 and positioning hole 220, and the stop nut 114 that is set in strut 135 passes load hole 210 when being in primary importance with packing ring 113.The diameter of load hole 210 is greater than the diameter of stop nut 114 and packing ring 113, and therefore when primary importance, stop nut 114 and packing ring 113 can penetrate or pass from load hole 210 along the moving axially of strut 135.Stop nut 114 is pressed on the edge of positioning hole 220 when being in the second place with packing ring 113.The diameter of positioning hole 220 is at least less than packing ring 113, and therefore when the second place, stop nut 114 and packing ring 113 are pressed on the periphery of positioning hole 220.
As shown in Figures 2 and 3; After being fixed on cylinder body 131 on second connected piece 300; Strut 135 and stop nut 114 pass second connected piece 300 with packing ring 113 from the hole 310 that passes on second connected piece 300; And the load hole 210 from first connected piece 200 passes, and the first spacing adjusting portion (comprising stop nut 114 and packing ring 113) that is connected with strut 135 1 ends this moment is in primary importance.
When two parts are installed; Connect oil connection with hydraulic tube; Load hydraulic oil through oil connection to cylinder interior, piston 133 moves under the driving of hydraulic oil, because piston end cap 132 is fixedly connected with cylinder body 131; Therefore piston 133 relative cylinder bodies 131 move thereby drive integrally welded with it strut 135 to the opposite direction motion of piston end cap 132 together.At this moment; Strut 135 relative first connected pieces 200 are protruding; The second spacing joint 112 that is connected with strut 135 also moves with strut 135 in the same way; Thereby make spring assembly 121 be compressed, be connected required distance thereby packing ring 113 no longer equals two connected pieces with the distance of first end of cylinder body 131, but be slightly larger than this distance.Referring to Fig. 4, after stop nut 114 and packing ring 113 and strut 135 pass load hole 210, move into the positioning hole 220 that is connected with load hole 210, the first spacing adjusting portion is in the second place at this moment.After adjusting the mutual alignment of first connected piece 200 and second connected piece 300; The driving force unloading of drive system; The state that spring assembly 121 is replied when initially being compressed; Strut 135 retractions; Packing ring 113 equals two connected pieces (first connected piece 200 and second connected piece 300) with the distance of first end of cylinder body 131 and is connected required distance, thereby packing ring 113 is close to the periphery of positioning hole 220, thereby first connected piece 200 and second connected piece 300 are joined together through spring energy-storage power.
During the dismounting of two parts; Then add fluid power load earlier; Make distance between first end of packing ring 113 and cylinder body 131 be slightly larger than the distance between the opposing side of first connected piece 200 and second connected piece 300; Lift second connected piece 300 and make stop nut 114, packing ring 113 positioning hole 220 when being in the second place get into load holes 210, thereby be in primary importance.Because when primary importance, stop nut 114 can move axially along supporting 135 with packing ring 113, therefore adjustable automatic handling device can break away from second connected piece 300 together with first connected piece 200 this moments.Unload fluid power load again, and finally make adjustable automatic handling device remove from second connected piece 300.
By on can know; Since the utility model when loading and unloading only need with strut 135 and on packing ring 113 and stop nut 114 pass each hole; Need not use conventional instruments such as spanner, sleeve or extension lever; Therefore little to the requirement of operating space, under the narrow and small situation in operating space, have advantage.
Preferably; In the present embodiment, as shown in Figure 4, positioning hole 220 is for being provided with the suitable hole of the diameter that helical thread portion is arranged of extending first connected piece 200 with strut 135 under load hole 210; Like this; After having assembled packing ring 113 and stop nut 114, the outer diameter of packing ring 113 and stop nut 114 all greater than the diameter of positioning hole 220, therefore can play spacing effect.
As shown in Figure 2, energy-storage system also comprises spring protection portion 122, and first end of spring protection portion 122 is fixedly connected with second end of cylinder body 131, and spring assembly 121 is set on the back extension of strut 135 and is arranged in the spring protection portion 122.Preferably, second end of spring protection portion 122 is provided with the spacing adjusting of the controllable register that can move along the axial direction of spring assembly 121 123, the second portion 112 and is pressed on the controllable register 123.
Preferably, controllable register 123 is provided with dust ring 124 with the adjacent side of spring protection portion 122.
And between controllable register 123 and the spring protection portion 122 dust ring 124 is housed, prevents that foreign matter from getting in the spring assembly 121 and influence its performance.
According to an embodiment of the utility model, the pretightening force of not regulating spring assembly 121 earlier.Before the first spacing adjusting portion and strut 135 pass 300 second connected pieces, regulate the distance of first end of the first spacing adjusting portion and cylinder body 131 earlier.Opposing side with first connected piece 200 and second connected piece 300 is first end face of first connected piece 200 and first end face of second connected piece 300, is H with the distance between first connected piece 200 and second connected piece 300
3, the decrement that connects the pairing elastic component of spring force of first connected piece 200 and second connected piece 300 through spring assembly is H
4, the distance H of regulating first end of the first spacing adjusting portion and cylinder body 131 in advance
5, make H
5=H
3-H
4
In this embodiment, spring assembly 121 is in relaxed state under original state.After the position of having regulated the first spacing adjusting portion; Re-use drive system with spring assembly 121 compression, the distance of first end that makes win spacing adjusting portion and cylinder body 131 is greater than the joint thickness sum of first connected piece 200 and second connected piece 300.Subsequently; First end of cylinder body 131 is pressed on second connected piece 300; And make the first spacing adjusting portion pass first connected piece 200 and be in primary importance, make the spacing adjusting portion that wins adjust to the second place on first connected piece 200 again from primary importance.At this moment, the unloading drive system, then spring assembly 121 resiliences, strut 135 retraction also drives the first spacing adjusting portion retraction.Decrement at spring assembly 121 springs back to H
4The time, the distance of first end of the first spacing adjusting portion and cylinder body 131 equals the distance H between first end face of first end face and second connected piece 300 of first connected piece 200
3At this moment; The first spacing adjusting portion is pressed on first end face of the first spacing adjusting portion 200; First end of cylinder body 131 is pressed on first end face of second connected piece 300, and the elastic force through spring assembly 121 links together first connected piece 200 and second connected piece 300.Adjustable automatic handling device, in the occasion of the component of the frequent loading-unloading heavy of needs, it is time saving and energy saving to have played, and reduces the effect of labor intensity.
From above description, can find out that the utility model the above embodiments have realized following technique effect:
The adjustable automatic handling device of the utility model, when loading and unloading two very heavy component, the time of loading and unloading significantly reduces, and labor intensity is less, and does not receive the restriction of installing space.In addition, the utility model can adapt to the connection between two different parts of Conncetion cimension, connects distance and connection power and all can in time adjust as required.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (11)
1. adjustable automatic handling device, first connected piece (200) is connected through said adjustable automatic handling device with second connected piece (300), it is characterized in that, and said adjustable automatic handling device comprises:
Drive system; Comprise cylinder body (131), piston (133) and strut (135); Said strut (135) passes said first connected piece (200) and said second connected piece (300); Said strut (135) is fixedly connected with said piston (133), and first end of said cylinder body (131) is pressed on said second connected piece (300);
Energy-storage system comprises spring assembly (121), and first end of said spring assembly (121) is pressed on second end of said cylinder body (131);
Spacing regulating system; Be connected with said strut (135); Said spacing regulating system comprises the first spacing adjusting portion, and the said first spacing adjusting portion and said strut (135) have the primary importance that passes said first connected piece (200) and be pressed on the second place on said first connected piece (200).
2. adjustable automatic handling device according to claim 1; It is characterized in that; Said spacing regulating system also comprises the second spacing adjusting portion (112), and the said second spacing adjusting portion (112) is set in second end that said spring assembly (121) was gone up and be pressed on to said strut (135).
3. adjustable automatic handling device according to claim 2 is characterized in that, the said second spacing adjusting portion (112) is an adjusting nut, and said adjusting nut is threaded with said strut (135).
4. adjustable automatic handling device according to claim 2; It is characterized in that; Said energy-storage system also comprises spring protection portion (122); First end of said spring protection portion (122) is fixedly connected with second end of said cylinder body (131), and said spring assembly (121) is set in said strut (135) and goes up and be arranged in the said spring protection portion (122).
5. adjustable automatic handling device according to claim 4; It is characterized in that; Second end of said spring protection portion (122) is provided with the controllable register (123) that can move along the axial direction of said spring assembly (121), and the said second spacing adjusting portion (112) is pressed on the said controllable register (123).
6. adjustable automatic handling device according to claim 5 is characterized in that, said controllable register (123) is provided with dust ring (124) with the adjacent side of said spring protection portion (122).
7. according to each described adjustable automatic handling device in the claim 1 to 6, it is characterized in that said drive system also comprises pressure source connecting tube (134), said pressure source connecting tube (134) is connected with the inside of said cylinder body (131).
8. adjustable automatic handling device according to claim 7; It is characterized in that; Second end of said cylinder body (131) is provided with piston end cap (132); Said piston end cap (132) have boss towards the inner side of said cylinder body (131), the distance towards the end face of said cylinder body (a 131) inner side of the end face of said boss along the axial direction of said strut (135) apart from said piston end cap (132) is H
1, having filler opening on the said pressure source connecting tube (134), the said filler opening ultimate range towards the end face of the inner side of said cylinder body (131) along the axial direction of said strut (135) apart from said piston end cap (132) is H
2, wherein, H
1＞H
2
9. according to each described adjustable automatic handling device in the claim 1 to 6, it is characterized in that first end of said cylinder body (131) is fixedly connected with said second connected piece (300).
10. according to each described adjustable automatic handling device in the claim 1 to 6, it is characterized in that the said first spacing adjusting portion comprises stop nut (114), said stop nut (114) is threaded with said strut (135).
11. adjustable automatic handling device according to claim 10; It is characterized in that; Said first connected piece (200) is provided with load hole (210) and the positioning hole (220) that is interconnected; The said stop nut (114) that is set in said strut (135) passes said load hole (210) when being in primary importance, said stop nut (114) is pressed on the edge of said positioning hole (220) when being in the second place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203152525U CN202203228U (en) | 2011-08-24 | 2011-08-24 | Adjustable automatic loading and unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203152525U CN202203228U (en) | 2011-08-24 | 2011-08-24 | Adjustable automatic loading and unloading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203228U true CN202203228U (en) | 2012-04-25 |
Family
ID=45967350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203152525U Expired - Lifetime CN202203228U (en) | 2011-08-24 | 2011-08-24 | Adjustable automatic loading and unloading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203228U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338140A (en) * | 2011-08-24 | 2012-02-01 | 长沙中联重工科技发展股份有限公司 | Automatic adjustable loading and unloading device |
| CN104006047A (en) * | 2013-02-27 | 2014-08-27 | 恒昌行精密工业有限公司 | Fixing device |
-
2011
- 2011-08-24 CN CN2011203152525U patent/CN202203228U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338140A (en) * | 2011-08-24 | 2012-02-01 | 长沙中联重工科技发展股份有限公司 | Automatic adjustable loading and unloading device |
| CN102338140B (en) * | 2011-08-24 | 2013-01-30 | 中联重科股份有限公司 | Adjustable automatic loading and unloading device |
| CN104006047A (en) * | 2013-02-27 | 2014-08-27 | 恒昌行精密工业有限公司 | Fixing device |
| CN104006047B (en) * | 2013-02-27 | 2016-08-17 | 恒昌行精密工业有限公司 | Fixing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120425 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |