CN102951454B - Heat exchanger clamping device - Google Patents
Heat exchanger clamping device Download PDFInfo
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- CN102951454B CN102951454B CN201110236734.6A CN201110236734A CN102951454B CN 102951454 B CN102951454 B CN 102951454B CN 201110236734 A CN201110236734 A CN 201110236734A CN 102951454 B CN102951454 B CN 102951454B
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- heat exchanger
- clamping
- horizontal
- vertical
- holding part
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- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Automatic Assembly (AREA)
- Manipulator (AREA)
Abstract
The invention provides a heat exchanger clamping device, which comprises a clamping component, a clamping component and a clamping component, wherein the clamping component is used for clamping a heat exchanger; the transmission component is connected with the clamping component and drives the clamping component to move; a power component; is connected with the transmission part and drives the transmission part to move; the clamping part comprises a vertical clamping part, the vertical clamping part is provided with an open first position and a second position for clamping two ends of the heat exchanger, and the vertical clamping part is connected with two ends of the heat exchanger in a matched mode. By adopting the heat exchanger clamping device, the vertical clamping parts of the clamping parts clamp the heat exchanger from two ends of the clamping heat exchanger, the problems of inversion and the like are not easy to generate, and the heat exchanger is not easy to be damaged in the carrying process. In addition, automatic feeding and discharging of the stacked fin type heat exchanger can be achieved through the heat exchanger clamping device, and the problems of high labor intensity and low production efficiency of manual carrying in the production process of the existing fin type heat exchanger are solved.
Description
Technical field
The present invention relates to heat exchanger manufacture field, more specifically, relate to a kind of heat exchanger holding device.
Background technology
Finned heat exchanger is made up of copper pipe, fin, and the hardness of copper pipe only has Vickers 60 ~ 75, is easy to touch flat in handling process.
The handling process of current small-sized finned heat exchanger is all by manually completing, there is the defects such as labor content is large, handling efficiency is low, production process is uncontrollable in a dead lift, especially around heat exchanger drying line operation, operating environment temperature is high, has adverse effect to the healthy of operating personnel.
Commercial super-huge heat exchanger generally adopts clipping boosting manipulator to carry out carrying to have enough to meet the need, and the retaining part due to boosting manipulator is heat exchanger central fins position, need arrange to pad thin aluminium foil and separate between boosting manipulator clamping tooling and heat exchanger.There is following problem in this kind of mode: 1, can not realize automatically clamping carrying because boosting manipulator is only used to reduce carrying intensity, also need two employees to carry out non-productive operation; 2, be only applicable to the super-huge heat exchanger carrying small lot, the family expenses finned heat exchanger large for output is inapplicable; 3, middle pad aluminium foil can only reduce reviewing, can not stop reviewing; 4, heat exchanger supplied materials must vertically be placed, and is difficult to realize when current domestic air conditioning finned heat exchanger quantity is large.
Existing also have a kind of employing to coordinate intact spill frock with bottom the long U of finned heat exchanger, utilizes horizontal direction Clamping force finned heat exchanger clamping to be had enough to meet the need.But this kind of frock tool exists and easily touches flat copper pipe, stacks require that high, finned heat exchanger can not tilt the defects such as dislocation to finned heat exchanger, and therefore popularization difficulty is large.
Summary of the invention
The object of the invention is to provide a kind of and prevents heat exchanger in handling process from damaging and the high heat exchanger holding device of handling efficiency.
According to heat exchanger holding device of the present invention, comprise hold assembly, for clamping heat exchanger; Drive disk assembly, is connected with hold assembly and drives hold assembly to move; Power part; Be connected with drive disk assembly and drive drive disk assembly to move; Hold assembly comprises vertical holding part, and vertical holding part has the second place at primary importance and the clamping heat exchanger two ends of opening, and the two ends of vertical holding part and heat exchanger are connected.
Further, hold assembly also comprises: horizontal holding part, and telescopically is connected with vertical holding part in the horizontal direction; Clamp springs, its one end is connected with horizontal holding part, and its other end is connected with drive disk assembly in the horizontal direction.
Further, heat exchanger holding device also comprises gripper driving portion part, and gripper driving portion part comprises cylinder body portion and piston portion, and the one end in cylinder body portion is connected with drive disk assembly, and the external part of piston portion is connected with horizontal holding part.
Further, the guide part that piston portion comprises piston head and is connected with piston head, guide part extends along the axial direction in cylinder body portion and is set in the outside in cylinder body portion.
Further, clamp springs is set in the outside in guide part and cylinder body portion.
Further, heat exchanger holding device also comprises elastic buffer unit, and the first end of elastic buffer unit is connected with horizontal holding part, and its second end is connected with drive disk assembly in the horizontal direction.
Further, elastic buffer unit is recoil spring, recoil spring have vertical retaining part in the primary importance of opening time the primary importance of elongation and the second place of compression when vertical holding part is in the second place of clamping heat exchanger.
Further, recoil spring is arranged on the inside in cylinder body portion, and its first end to be connected on piston portion and to be connected with horizontal holding part by piston portion.
Further, power part comprises vertical drive motor, and drive disk assembly comprises vertical tooth bar, and vertical tooth bar is connected with hold assembly, and vertical drive motor drives vertical tooth bar vertically to move by transmission gear.
Further, power part comprises horizontal drive motor, and drive disk assembly comprises horizontal rack, and horizontal drive motor drives horizontal rack to move in the horizontal direction by transmission shaft and iron cucurbit, and horizontal rack drives vertical tooth bar to move in the horizontal direction by Transmission.
Adopt heat exchanger holding device of the present invention, the vertical holding part of hold assembly clamps from the two ends of clamping heat exchanger it, and be not easy to produce the problems such as reviewing, therefore in handling process, not easily heat exchanger damages.In addition, the automatic feeding, discharge of pile finned heat exchanger can be realized by the use of this heat exchanger holding device, solve the problem that in current finned heat exchanger production process, a dead lift labour intensity is large, production efficiency is low.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation according to heat exchanger holding device of the present invention;
Fig. 2 is the first local structural representation according to heat exchanger holding device of the present invention;
Fig. 3 is the structural representation of the partial enlargement at I place in Fig. 2;
Fig. 4 is the second local structural representation according to heat exchanger holding device of the present invention;
Fig. 5 is structure according to heat exchanger holding device of the present invention and heat exchanger and position relationship schematic diagram; And
Fig. 6 is the stressed relation schematic diagram according to heat exchanger of the present invention.
Detailed description of the invention
Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, the invention provides a kind of heat exchanger holding device, comprise hold assembly 10, for clamping heat exchanger 70 as shown in Figure 5; Drive disk assembly 30, is connected with hold assembly 10 and drives hold assembly 10 to move; Power part 40; Be connected with drive disk assembly 30 and drive drive disk assembly 30 to move; Hold assembly 10 comprises vertical holding part 11, and vertical holding part 11 has the second place at primary importance and clamping heat exchanger 70 two ends of opening, and vertical holding part 11 is connected with the two ends of heat exchanger 70.
See Fig. 5 and Fig. 6, the two ends of a pair vertical holding part 11 heat exchanger 70 of hold assembly 10 clamp, and wherein, F1 represents that hold assembly 10 overcomes the upwards hoisting force of the gravity of heat exchanger 70, and F2 represents the horizontal Clamping force of hold assembly 10 heat exchanger 70.Wherein, F2 only plays clamping action, and therefore heat exchanger 70 is stressed less in the horizontal direction, and therefore in handling process, not easily heat exchanger 70 damages; Because F1 acts on the relatively on-deformable two ends of heat exchanger 70, be therefore not easy to produce the problems such as reviewing by the heat exchanger 70 clamped, also reduce the injury of heat exchanger 70.By the setting of power part 40, drive disk assembly 30, the use of this heat exchanger holding device can realize the automatic feeding, discharge of pile finned heat exchanger, solves the problem that in current finned heat exchanger production process, a dead lift labour intensity is large, production efficiency is low.
As shown in Figure 2, hold assembly 10 also comprises horizontal holding part 12, and telescopically is connected with vertical holding part 11 in the horizontal direction; Clamp springs 13, its one end is connected with horizontal holding part 12, and its other end is connected with drive disk assembly 30 in the horizontal direction.
Heat exchanger holding device is before heat exchanger 70 clamps, horizontal holding part 12 stretches out, the vertical holding part 11 being connected to horizontal holding part 12 one end is in open configuration, and horizontal holding part 12 drives clamp springs 13 that deformation occurs and makes clamp springs 13 be in extended state.Hold assembly 10 utilizes the vertical holding part 11 of microscler hook form to be tangled at the two ends of heat exchanger 70, utilizes the pulling force of clamp springs 13 to make hold assembly be unlikely to come off from heat exchanger 70.By the size of heat exchanger 70, the Clamping force of clamp springs 13 heat exchanger 70 can be calculated, thus make Clamping force become controlled.In addition, by the clamp springs 13 selecting elasticity modulus different, hold assembly 10 can be applicable to the clamping of the heat exchanger of different model.
As shown in Figure 4, heat exchanger holding device also comprises elastic buffer unit 20, and the first end of elastic buffer unit 20 is connected with horizontal holding part 12, and its second end is connected with drive disk assembly 30 in the horizontal direction.Preferably, elastic buffer unit 20 is recoil spring, and recoil spring has the second place of the primary importance of the elongation when vertical holding part 11 is positioned at the primary importance of opening and the compression when vertical holding part 11 is in the second place of clamping heat exchanger 70.
Heat exchanger holding device is before heat exchanger 70 clamps, and horizontal holding part 12 stretches out, and coupled elastic buffer unit 20 is in the state of stretching, is in primary importance.When heat exchanger 70 clamps, the tensile elasticity deformation of clamp springs 13 reduces gradually, the vertical holding part 11 of hold assembly 10 draws under the pulling force effect of clamp springs 13, and spring buffer parts 20 gradually become compressive state by extended state, are in the second place.The spring force of spring buffer parts 20 when contraction state is contrary with the spring force direction of clamp springs 13, can play buffer action like this, to ensure that vertical holding part 11 is slowly close to heat exchanger 70, thus reaches the object of protection heat exchanger 70.
As shown in Figure 4, heat exchanger holding device also comprises gripper driving portion part 60, and gripper driving portion part 60 comprises cylinder body portion 61 and piston portion 62, and the one end in cylinder body portion 61 is connected with drive disk assembly 30, and the external part of piston portion 62 is connected with horizontal holding part 12.Preferably, the guide part 622 that piston portion 62 comprises piston head 621 and is connected with piston head 621, guide part 622 extends along the axial direction in cylinder body portion 61 and is set in the outside in cylinder body portion 61.
In the present embodiment, gripper driving portion part 60 is for driving cylinder, and the outside of piston head 621 is connected with horizontal holding part 12.When heat exchanger holding device is wanted before heat exchanger 70 clamps, drive cylinder in running order, piston portion 62 is promoted laterally, and drives coupled horizontal holding part 12 outwards to move, thus drives clamp springs 13 and recoil spring to be stretched.When heat exchanger 70 clamps, control system sends instruction, and drive cylinder to unload, clamp springs 13 reduces gradually in the tensile elasticity deformation of himself, and hold assembly 10 draws under the pulling force effect of clamp springs 13.The present embodiment changes existing clamping tooling pattern by flexible holding device, adopt dual spring to add and drive the control form of cylinder achieve opening of hold assembly 10 and fold, this heat exchanger holding device carries out the fixing of finned heat exchanger by the pulling force of clamp springs 13 in the horizontal direction, and heat exchanger 70 is stressed less in the horizontal direction; Carrying capacity, mainly at vertical direction, can realize the object of the automatic fast clamp location of heat exchanger 70, carrying by which.
As shown in Figure 4, clamp springs 13 is set in the outside in guide part 622 and cylinder body portion 61.One end of clamp springs 13 is fixedly connected with piston head 621, and its other end is fixedly connected with the center shaft of hold assembly 10.When guide part 622 and piston head 621 move laterally along cylinder body 61, clamp springs 13 is also outwards moved with it.
As shown in Figure 4, recoil spring is arranged on the inside in cylinder body portion 61, and its first end to be connected on piston portion 62 and to be connected with horizontal holding part 12 by piston portion 62.One end of recoil spring is connected with the inner side of piston portion 62 with piston head 621, and its other end is fixedly connected with the center shaft of hold assembly 10.When guide part 622 and piston head 621 move laterally along cylinder body 61, recoil spring also outwards moves with it.
As shown in Figures 2 and 3, power part 40 comprises vertical drive motor 41, and drive disk assembly 30 comprises vertical tooth bar 31, and vertical tooth bar 31 is connected with hold assembly 10, and vertical drive motor 41 drives vertical tooth bar vertically to move by transmission gear.Power part 40 comprises horizontal drive motor 42, drive disk assembly 30 comprises horizontal rack 32, horizontal drive motor 42 drives horizontal rack 32 to move in the horizontal direction by transmission shaft 33 and iron cucurbit 35, and horizontal rack 32 drives vertical tooth bar 31 to move in the horizontal direction by Transmission 36.As depicted in figs. 1 and 2, heat exchanger holding device also comprises bracing frame 50, and bracing frame 50 comprises the strut bar 51 arranged in the horizontal direction, and hold assembly 10 is connected with strut bar 51 slidably by drive disk assembly 30.
According to one embodiment of present invention, the hold assembly 10 of heat exchanger holding device was in open configuration before heat exchanger 70 clamps, and drive cylinder in running order, recoil spring is in extended state, and clamp springs 13 is in extended state.PLC control system as the first control system sends instruction and controls vertical drive motor 41 and rotate, and vertical drive motor 41 is engaged each other by transmission gear and vertical tooth bar 31 and drives hold assembly 10 entire lowering.Hold assembly 10 drop to there is with heat exchanger 70 distance to a declared goal time by the control system of visual response system feedback to vertical drive motor 41, control system sends halt instruction, and vertical drive motor 41 stops operating, and hold assembly 10 stops downwards.
Subsequently; second control system sends instruction; cylinder is driven to unload; the tensile elasticity deformation of clamp springs 13 reduces gradually, and hold assembly 10 draws under the pulling force effect of clamp springs 13, and recoil spring then gradually becomes compressive state by extended state; the spring force of recoil spring when contraction state is contrary with the spring force direction of clamp springs 13; can buffer action be played like this, to ensure clamping tooling slowly close to workpiece, thus reach the object of protection workpiece.Hold assembly 10 utilizes the vertical holding part 11 of microscler hook form to be tangled at the two ends of heat exchanger 70, utilizes the pulling force of clamp springs 13 to make hold assembly 10 be unlikely to come off from heat exchange 70; After hold assembly 10 tangles heat exchanger 70, send the entry into service of instruction vertical drive motor 41 by control system, drive vertical tooth bar 31 upward movement, when heat exchanger 70 is promoted in drying line line body sustained height, vertical drive motor 41 quits work.
Subsequently, 3rd control system sends instruction, horizontal drive motor 42 drives horizontal rack 32 to move in the horizontal direction, and horizontal rack 32 drives vertical tooth bar 31 to move in the horizontal direction by Transmission 36, thus drives whole hold assembly 10 along horizontal motion on drying line body.Particularly, horizontal drive motor 42 drives iron cucurbit 35 to do movement or among a small circle in the horizontal direction on a large scale by transmission shaft 33, by the interaction of iron cucurbit 35 with horizontal rack 32, clamping part 10 is made to do grand movement in the horizontal direction or finely tune among a small circle.
When being converted to the heat exchanger 70 of different size, by regulate drive cylinder application force in the horizontal direction to control hold assembly 10 open size, control hold assembly 10 position in the horizontal direction by horizontal drive motor 42 and horizontal rack 32, reach the object of Clamping force on the center of gravity direction of heat exchanger 70 to different size heat exchanger 70.
As can be seen from the above description, the above embodiments of the present invention achieve following technique effect:
Heat exchanger holding device of the present invention, solving finned heat exchanger, cannot to realize the industry of automatic transporting blank, solves in heat exchanger handling process and easily touch flat copper pipe, the easy reviewing of fin, finned heat exchanger kind multiple clip instrument be difficult to the compatible problem of major part.In addition, by spring flexible pulling force, hold assembly is fixed on finned heat exchanger two ends, transported by heat exchanger by vertical tooth bar vertical direction pulling force, this heat exchanger holding device is flexible clamping, and has the adjustable advantage of clamping range.In addition, because the present invention is the method for clamping slowly drawn in after employing hold assembly opens, two ends clamping tooling height can be adjusted to and just differ simultaneously, effectively prevent the requirement to finned heat exchanger stacking in transport process like this.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a heat exchanger holding device, comprising:
Hold assembly (10), for clamping heat exchanger (70);
Drive disk assembly (30), is connected with described hold assembly (10) and drives described hold assembly (10) to move;
Power part (40); Be connected with described drive disk assembly (30) and drive described drive disk assembly (30) to move;
It is characterized in that,
Described hold assembly (10) comprises vertical holding part (11), described vertical holding part (11) has the second place at primary importance and clamping described heat exchanger (70) two ends of opening, and described vertical holding part (11) is connected with the two ends of described heat exchanger (70);
Described hold assembly (10) also comprises:
Horizontal holding part (12), telescopically is connected with described vertical holding part (11) in the horizontal direction;
Clamp springs (13), its one end is connected with described horizontal holding part (12), and its other end is connected with described drive disk assembly (30) in the horizontal direction.
2. heat exchanger holding device according to claim 1, it is characterized in that, also comprise gripper driving portion part (60), described gripper driving portion part (60) comprises cylinder body portion (61) and piston portion (62), one end of described cylinder body portion (61) is connected with described drive disk assembly (30), and the external part of described piston portion (62) is connected with described horizontal holding part (12).
3. heat exchanger holding device according to claim 2, it is characterized in that, the guide part (622) that described piston portion (62) comprises piston head (621) and is connected with described piston head (621), described guide part (622) extends along the axial direction of described cylinder body portion (61) and is set in the outside of described cylinder body portion (61).
4. heat exchanger holding device according to claim 3, is characterized in that, described clamp springs (13) is set in the outside in described guide part (622) and described cylinder body portion (61).
5. heat exchanger holding device according to claim 2, it is characterized in that, also comprise elastic buffer unit (20), the first end of described elastic buffer unit (20) is connected with described horizontal holding part (12), and its second end is connected with described drive disk assembly (30) in the horizontal direction.
6. heat exchanger holding device according to claim 5, it is characterized in that, described elastic buffer unit (20) is recoil spring, and described recoil spring has the second place of the primary importance of the elongation when described vertical holding part (11) is positioned at the primary importance of opening and the compression when described vertical holding part (11) is in the second place of the described heat exchanger of clamping (70).
7. heat exchanger holding device according to claim 5, it is characterized in that, described recoil spring is arranged on the inside of described cylinder body portion (61), and its first end is connected to described piston portion (62) and goes up and pass through described piston portion (62) and be connected with described horizontal holding part (12).
8. heat exchanger holding device according to any one of claim 1 to 7, it is characterized in that, described power part (40) comprises vertical drive motor (41), described drive disk assembly (30) comprises vertical tooth bar (31), described vertical tooth bar (31) is connected with described hold assembly (10), and described vertical drive motor (41) drives described vertical tooth bar vertically to move by transmission gear.
9. heat exchanger holding device according to claim 8, it is characterized in that, described power part (40) comprises horizontal drive motor (42), described drive disk assembly (30) comprises horizontal rack (32), described horizontal drive motor (42) drives described horizontal rack (32) to move in the horizontal direction by transmission shaft (33) and iron cucurbit (35), and described horizontal rack (32) drives described vertical tooth bar (31) to move in the horizontal direction by Transmission (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110236734.6A CN102951454B (en) | 2011-08-17 | 2011-08-17 | Heat exchanger clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110236734.6A CN102951454B (en) | 2011-08-17 | 2011-08-17 | Heat exchanger clamping device |
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| Publication Number | Publication Date |
|---|---|
| CN102951454A CN102951454A (en) | 2013-03-06 |
| CN102951454B true CN102951454B (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110236734.6A Expired - Fee Related CN102951454B (en) | 2011-08-17 | 2011-08-17 | Heat exchanger clamping device |
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| CN (1) | CN102951454B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105059953B (en) * | 2015-08-18 | 2017-05-03 | 浙江曼得丽涂料有限公司 | Coating bucket stacking device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202193459U (en) * | 2011-08-17 | 2012-04-18 | 珠海格力电器股份有限公司 | Heat exchanger clamping device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE900694A (en) * | 1984-09-28 | 1985-03-28 | Bell Telephone Mfg Company N V | ELEMENT MOVEMENT DEVICE. |
| JP3867826B2 (en) * | 1999-01-29 | 2007-01-17 | 関東自動車工業株式会社 | Gripping device |
| CN2621213Y (en) * | 2002-11-15 | 2004-06-23 | 徐州工程机械集团有限公司徐州工程机械研究所 | Drill rod floating clamping mechanism |
| CN2835191Y (en) * | 2004-12-23 | 2006-11-08 | 攀枝花攀钢集团设计研究院有限公司 | Steel shift machine for detection of rail surface |
| CN201371872Y (en) * | 2009-02-26 | 2009-12-30 | 大连奥托股份有限公司 | Vertical elevating mechanism capable of horizontal movement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202193459U (en) * | 2011-08-17 | 2012-04-18 | 珠海格力电器股份有限公司 | Heat exchanger clamping device |
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