CN101875188B - Installation fixture of press-seat butterfly valve seat - Google Patents
Installation fixture of press-seat butterfly valve seat Download PDFInfo
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- CN101875188B CN101875188B CN2009102590642A CN200910259064A CN101875188B CN 101875188 B CN101875188 B CN 101875188B CN 2009102590642 A CN2009102590642 A CN 2009102590642A CN 200910259064 A CN200910259064 A CN 200910259064A CN 101875188 B CN101875188 B CN 101875188B
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Abstract
The invention relates to an installation fixture of a press-seat butterfly valve seat, which is composed of a cylindrical pedestal with a cavity for placing a valve body, a strip support plate arranged corresponding to the position and the length of an upper valve neck, a shaft-hole locating pin inserted into the shaft hole of the upper valve neck, a locating pin handle for pushing and pulling the shaft-hole locating pin, a bearing equipped with guide holes of the shaft-hole locating pin, a left valve seat locating pin and a right valve seat locating pin inserted in the shaft hole of the valve seat, a left support and a right support equipped with the guide holes of a valve seat locating pin respectively, a cam, a cam shaft connecting the cam, a rotating handle of the cam and three vertical elastic locating pins of the valve body. The axial line of the shaft-hole locating pin, the axial lines of the left valve seat locating pin and the right valve seat locating pin and a central line are in the same vertical plane; and the three vertical elastic locating pins of the valve body are alternately arranged on the end surface of the cylindrical pedestal at the position attaching to the inner wall of the valve body. The installation fixture has the beneficial effects of guaranteeing the coaxiality of the valve body and the shaft hole of the valve seat, saving labor cost, eliminating noise, improving operating conditions and environment and enhancing production efficiency.
Description
Technical field
The present invention relates to butterfly valve assembly technology device, relate in particular to a kind of installation fixture of press-seat butterfly valve seat.
Background technology
Butterfly valve is to make opening and closing element and rotate a kind of valve of opening, cut out and regulating the fluid passage with valve rod with valve plate.Butterfly valve is not only simple in structure, body is light in a small amount, material consumption is economized, and driving moment is little, and is easy and simple to handle rapid, and has good flow regulating function, and in the use field of big medium caliber, mesolow power, butterfly valve is the valve version of dominating.Butterfly valve mainly comprises with the annular valve of upper and lower valve neck, is inlaid in round ring seat on the valve interior wall, circular valve plate and inserts the valve shaft of valve neck axis hole down via the axis hole at last valve neck axis hole, valve seat two ends.Butterfly valve generally is applied in the cylindrical channel, and in the use, the disc valve plate is along the radially installation of pipeline, and rotates between 0 °～90 ° around valve shaft, realizes the full cut-off standard-sized sheet.Because the valve seat and the valve body of butterfly valve are interference fit, must apply certain external force and valve seat could be squeezed into valve body.At present in the butterfly valve manufacturing, this procedure is still based on craft, valve seat is knocked in the valve body with hammer by manpower fully, because of the manual application of force lack of standardization, not only make valve body and valve seat axis hole axiality after the installation be difficult to guarantee, and valve seat is owing to impact and cause damage easily, labour intensity height in the operation especially, labor intensive, man-hour, noise is big, have a strong impact on production environment, reduce production efficiency, improve production cost.
Summary of the invention
Main purpose of the present invention is at the problems referred to above, provide a kind of and the supporting pressing shaft type seat installation jig of press device, by these anchor clamps valve seat and valve body are accurately located, replace manpower to be pressed into the operation of valve seat, both guaranteed valve body and valve seat axis hole axiality thereby on this device, can finish by press device, improve the quality of products, make the operator break away from heavy manual labor again, save labour turnover, and abate the noise, improve working conditions and environment, enhance productivity.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of installation fixture of press-seat butterfly valve seat, it is characterized in that mainly by the cylindrical pedestal of the band cavity of placing valve body, with the bar shaped support plate of last valve neck position and the corresponding setting of length, be used to insert the axis hole alignment pin of valve neck axis hole, the camshaft of the alignment pin handle of push-and-pull axis hole alignment pin, the bearing that is provided with axis hole alignment pin pilot hole, the left and right valve seat alignment pin that is used to insert the valve seat axis hole, the left and right support that is respectively equipped with valve seat alignment pin pilot hole, cam, connection cam, cam turning handle and three vertical elastic valve body alignment pins formations; Described bar shaped support plate be fixedly connected at the bottom of the described cylindrical pedestal along and extend along cylindrical pedestal end face center line and to be provided with; In bar shaped support plate end described bearing being set along described center line, is that center be symmetrical arranged described left and right support with the end face center of circle along described center line on the cylindrical pedestal end face; Described axis hole alignment pin inserts the bearing pilot hole with matched in clearance, and described left and right valve seat alignment pin inserts the valve seat alignment pin pilot hole of left and right support respectively with matched in clearance; Axis hole alignment pin axis, left and right valve seat alignment pin axis and described center line are at same perpendicular; The opposite end of left and right valve seat alignment pin is respectively equipped with the horizontal upper end face, fixedly install vertical roller pin on it, the roller of vertical roller pin evagination part suit and its matched in clearance, the bottom surface of horizontally disposed described cam and described pair of rollers should, be provided with all grooves of ring, the vertical roller pin of suit roller crouches into wherein, roller and all groove matched in clearance of ring; The fixedly connected camshaft in cam bottom, camshaft vertically passes cylindrical pedestal end face centre bore, and its bottom is connected with the described cam turning handle key that stretches out from cylindrical pedestal sidewall window; Rotate extruding by cam and stretch out ultimate range between the outer left and right valve seat alignment pin two external part end faces of left and right support valve seat alignment pin pilot hole greater than end distance in the valve seat and less than the outer end distance of valve seat; The distance of left and right valve seat alignment pin axis and valve body end face equals the distance of valve seat diaxon axially bored line and valve seat bottom surface; Described three vertical elastic valve body alignment pins are disposed on the cylindrical pedestal end face at the valve interior wall position that reclines.
Corresponding vertically elastic valve body alignment pin position is provided with the little big cylindric lumen pore of step in footpath down in footpath on described cylindrical pedestal sidewall, Kong Dingwei opens the minor diameter circular hole at the cylindrical pedestal end face, it at the bottom of the hole cylindrical pedestal base plate, described vertical elastic valve body alignment pin comprises stage clip and by pin rod and be located at the pin rod base portion and shank that pin rod baffle plate connected vertically forms, described stage clip is arranged in the cylindric lumen pore of step, its lower end is against on the cylindrical pedestal base plate, the baffle plate of its upper end roof pressure described shank, shank stretches out the step superset of the outer and baffle plate retaining of the minor diameter circular hole of cylindrical pedestal end face at the cylindric lumen pore of step with its pin rod; Three vertical elastic valve body alignment pins recline with its pin rod, and the valve interior wall position is uniform to be arranged on the cylindrical pedestal.
Original state is to compress by top handle body and bottom band cambered surface that body is fixedly connected to be constituted for the vertical described alignment pin handle of location; The axis hole alignment pin pilot hole of described bearing is being fixed with check plate near alignment pin handle end face, described axis hole alignment pin one end is the shoulder external part, the other end is a link, insert the axis hole alignment pin of bearing axis hole alignment pin pilot hole, its link passes check plate via hole and alignment pin handle, and to compress body hinged, the described body cambered surface that compresses is pressed on the check plate, hinge and the vertical range that compresses the body cambered surface greater than with the horizontal range that compresses the body cambered surface, and between described shoulder and check plate, be provided with back-moving spring.
Described center line is provided with flat key in described bar shaped support plate upper edge, and described flat key is inlaid in the corresponding strip groove that is provided with in the described bearing bottom surface that is provided with axis hole alignment pin pilot hole with matched in clearance.
With interference fit copper sheathing is set in the valve seat alignment pin pilot hole of described left and right support, described copper sheathing and described left and right valve seat alignment pin are matched in clearance.
The invention has the beneficial effects as follows: adopt installation fixture of press-seat butterfly valve seat, can realize replacing manpower to be pressed into the operation of valve seat, avoid valve seat damage, and guarantee valve body and valve seat axis hole axiality, improve the quality of products by press device; Simultaneously, make the operator break away from heavy manual labor, abate the noise, improve working conditions and environment, save labour turnover, enhance productivity.
Description of drawings
Fig. 1 is a main TV structure schematic diagram of the present invention;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is an application master TV structure schematic diagram of the present invention;
The vertical view of Fig. 4 Fig. 3.
Among the figure; 1 alignment pin handle, 1-1 handle body, 1-2 compresses body, 2 check plates, 3 back-moving springs, 4 bearings, 5 axis hole alignment pins, 6-1 left socle, the 6-2 right support, 7-1 left side valve seat alignment pin, the right valve seat alignment pin of 7-2,8 copper sheathings, 9 rollers, 10 roller pins, 11 cams, 12 screws, 13 horizontal upper end faces, 14 cylindrical pedestal, 15 cam turning handles, 16 camshafts, 17 flat keys, 18 centre bores, 19 base plates, 20 bar shaped support plates, 21 vertical elastic valve body alignment pins, 21-11 pin rod, the 21-12 baffle plate, the 21-2 spring is pressed, 22 flat keys, 23 strip grooves, 24 hinges, 25 valve seats, 26 valve bodies, the last valve neck of 26-1, valve neck under the 26-2.
Below in conjunction with drawings and Examples to the detailed description of the invention.
The specific embodiment
Fig. 1～Fig. 4 shows a kind of installation fixture of press-seat butterfly valve seat and concrete application the thereof, these anchor clamps are characterised in that main cylindrical pedestal 14 by the band cavity of placing valve body, bar shaped support plate 20 with last valve neck position and the corresponding setting of length, be used to insert the axis hole alignment pin 5 of valve neck axis hole, the alignment pin handle 1 of push-and-pull axis hole alignment pin 5, be provided with the bearing 4 of axis hole alignment pin pilot hole, be used to insert the left side of valve seat axis hole, right valve seat alignment pin 7-1,7-2, be respectively equipped with the left side of valve seat alignment pin pilot hole, right support 6-1,6-2, cam 11,, back-moving spring plays elastic tension and reset response, the camshaft 16 that connects cam, cam turning handle 15 and three vertical elastic valve body alignment pins 21 constitute; Above-mentioned bar shaped support plate 20 is fixedly connected on edge, 14 ends of above-mentioned cylindrical pedestal and extends setting along cylindrical pedestal end face center line; In bar shaped support plate 20 ends above-mentioned bearing 4 being set along described center line, is that center be symmetrical arranged above-mentioned left and right support with the end face center of circle along above-mentioned center line on the cylindrical pedestal end face; Above-mentioned axis hole alignment pin 5 inserts bearing 4 pilot holes with matched in clearance, and above-mentioned left and right valve seat alignment pin 7-1,7-2 insert the valve seat alignment pin pilot hole of left and right support 6-1,6-2 respectively with matched in clearance; The axis of the axis of axis hole alignment pin 4, left and right valve seat alignment pin 7-1,7-2 and above-mentioned center line are at same perpendicular; The opposite end of left and right valve seat alignment pin 7-1,7-2 is respectively equipped with horizontal upper end face 13-1,13-2, fixedly install vertical roller pin 10 on the horizontal upper end face respectively, the roller 9 of vertical roller pin 10 evagination part suits and its matched in clearance, the bottom surface of horizontally disposed above-mentioned cam 11 is corresponding with above-mentioned rollers 9, be provided with all groove 11-1 of ring, the vertical roller pin 10 of suit roller 9 crouches into wherein, roller 9 and all groove matched in clearance of ring; Cam bottom connecting shaft end is by screw 12 fixedly connected camshafts 16, and camshaft vertically passes cylindrical pedestal end face centre bore 18, and its bottom is connected with described cam turning handle 15 keys that stretch out from cylindrical pedestal 14 sidewall windows; In the actual fabrication, the camshaft bottom is stretched in the axis hole that base plate 19 correspondences offer always, to limit the position of camshaft 16.Rotate extruding by cam 11 and stretch out the outer left and right valve seat alignment pin 7-1 of left and right support valve seat alignment pin pilot hole, ultimate range between 7-2 two external part end faces greater than end distances in the valve seat 25 and less than the outer end distance of valve seat; Like this, left and right valve seat alignment pin 7-1,7-2 axle head are inserted in the axis hole of valve seat 25 two ends correspondences respectively, not stretch out again outside the axis hole, not only guarantee positioning function but also make this clamp structure compactness be convenient to use.The distance of left and right valve seat alignment pin axis and valve body 26 end faces equals the distance of valve seat 25 diaxon axially bored lines and valve seat bottom surface, like this, can guarantee aiming at of its axis hole and left and right valve seat alignment pin when valve seat 25 is placed on the valve body 26.
Above-mentioned three vertical elastic valve body alignment pins 21 are arranged on the cylindrical pedestal end face at the valve body 26 inner wall part bit intervals that recline.In this example, three vertical elastic valve body alignment pins 21 have adopted best uniform set-up mode, are more convenient for adjusting the valve body position like this.In reality processing, the vertical structure of elastic valve body alignment pin and being installed as: corresponding vertically elastic valve body alignment pin position is provided with the little big cylindric lumen pore 19-1 of step in footpath down in footpath on above-mentioned cylindrical pedestal 14 sidewalls, Kong Dingwei opens the minor diameter circular hole at the cylindrical pedestal end face, it at the bottom of the hole cylindrical pedestal base plate 19, above-mentioned vertical elastic valve body alignment pin comprises stage clip 21-2 and by pin rod 21-11 and be located at the pin rod base portion and shank that pin rod baffle plate 21-12 connected vertically forms, above-mentioned stage clip 21-2 is arranged in the cylindric lumen pore 19-1 of step, its lower end is against on the cylindrical pedestal base plate 19, the baffle plate 21-12 of its upper end roof pressure described shank, shank stretches out the step superset of the outer and baffle plate 21-12 retaining of the minor diameter circular hole of cylindrical pedestal end face at the cylindric lumen pore of step with its pin rod 21-11; Three vertical elastic valve body alignment pins 21 recline with its pin rod 21-11, and the valve interior wall position is uniform to be arranged on the cylindrical pedestal end face.Non-working condition, pin rod 21-11 are positioned at the position protrusion of valve body 26 inwalls that recline on the cylindrical pedestal end face.When placing valve body 26, when valve body is pressed on the elastic valve body alignment pin 21, stage clip 21-2 compression, pin rod 21-11 withdrawal illustrates the valve body malposition, should adjust.Have only and all to recline valve body 26 inwalls protrusion on the cylindrical pedestal end face by three pin rod 21-11, the valve body correct position is described.
Above-mentioned original state is to compress by top handle body 11 and bottom band cambered surface that body 12 is fixedly connected to be constituted for the vertical alignment pin handle 1 of location; The axis hole alignment pin pilot hole of bearing 4 is being fixed with check plate 2 near alignment pin handle end face, above-mentioned axis hole alignment pin 5 one ends are the shoulder external part, the other end is a link, axis hole alignment pin 5 its links that insert bearing axis hole alignment pin pilot hole pass check plate 2 via holes and alignment pin handle and compress body 1-2 to pass through hinge 24 hinged, the cambered surface that compresses body 1-2 is pressed on the check plate 2, hinge 24 and the vertical range that compresses the body cambered surface greater than with the horizontal range that compresses the body cambered surface, and between above-mentioned shoulder and check plate 2, be provided with back-moving spring 3.In the actual design, the alignment pin handle 1 of original state is in vertical state, and axis hole alignment pin 5 stretches out outside the bearing axis hole alignment pin pilot hole.
For ease of the above-mentioned position adjusting where necessary that is provided with the bearing 4 of axis hole alignment pin pilot hole, above-mentioned center line is provided with flat key 22 in above-mentioned bar shaped support plate 20 upper edges, flat key 22 is inlaid in the corresponding strip groove 23 that is provided with in bearing 4 bottom surfaces that are provided with axis hole alignment pin pilot hole with matched in clearance, can adjust its position by the bearing 4 that is provided with axis hole alignment pin pilot hole that slides along flat key 22 like this.
Lubricity and wearability for the valve seat alignment pin pilot hole that strengthens above-mentioned left and right support 6-1,6-2, with interference fit copper sheathing 8 is set respectively in the valve seat alignment pin pilot hole of left and right support, copper sheathing 8 is a matched in clearance with above-mentioned left and right valve seat alignment pin 7-1,7-2.
The present invention is applicable to the small-sized dish valve of latus rectum below 350mm, and the size of the above-mentioned anchor clamps of butterfly valve of corresponding different size will be done respective change.
Application of the present invention and principle
Shown in Fig. 3～4, concrete applying step of the present invention and principle are as follows:
(1) places valve body, draw alignment pin handle 1 outward, at this moment, compress body 1-2 and rotate and since initial vertical state hinge 24 and the vertical range that compresses body 1-2 cambered surface greater than with the horizontal range that compresses the body cambered surface (being hinge 24 and the distance of check plate 2), so with the rotation that compresses body 1-2, hinge 24 strengthens with check plate 2 distances, thereby axis hole alignment pin 5 is drawn in the axis hole alignment pin pilot hole of bearing 4, at this moment, the spring compression; Then, 26 above valve neck 26-1 are placed on the end face of cylindrical pedestal 14 towards axis hole alignment pin 5 with valve body, unclamp alignment pin handle 1, the Flexible Reset power of back-moving spring 3 makes and compresses body 12 backward rotation, return to the vertical position of alignment pin handle 1, thereby axis hole alignment pin 5 stretches out outside the pilot hole and enters in the axis hole of valve neck 91; Adjust valve body 26 positions, make the valve interior wall uniform pin rod 21-11 set that is arranged on three vertical elastic valve body alignment pins 21 on the cylindrical pedestal end face that reclines;
(2) the rotating cam turning handle 15, the vertical roller pin 10 of suit roller 9 rolls along the ring week sliding recess of cam 11 bottom surfaces at this moment, when the longitudinal end of cam 11 and left and right valve seat alignment pin 7-1,7-2 axis in line the time, then left and right valve seat alignment pin 7-1,7-2 stretch out ultimate range from the valve seat alignment pin pilot hole of left and right support 6-1,6-2, and insert respectively in the two ends axis hole of valve seat 25;
(3) pressure head by press device is pressed into valve body 26 with valve seat 25.
As mentioned above, anchor clamps provided by the invention guarantee the axiality of valve body and valve seat axis hole and can replace manpower to finish butterfly valve seat by plant equipment to install, and quality is good, efficient is high, saves manpower, removes noise, improves work situation.
Claims (5)
1. installation fixture of press-seat butterfly valve seat, it is characterized in that mainly by the cylindrical pedestal of the band cavity of placing valve body, with the bar shaped support plate of last valve neck position and the corresponding setting of length, be used to insert the axis hole alignment pin of valve neck axis hole, the camshaft of the alignment pin handle of push-and-pull axis hole alignment pin, the bearing that is provided with axis hole alignment pin pilot hole, the left and right valve seat alignment pin that is used to insert the valve seat axis hole, the left and right support that is respectively equipped with valve seat alignment pin pilot hole, cam, connection cam, cam turning handle and three vertical elastic valve body alignment pins formations; Described bar shaped support plate be fixedly connected at the bottom of the described cylindrical pedestal along and extend along cylindrical pedestal end face center line and to be provided with; In bar shaped support plate end described bearing being set along described center line, is that center be symmetrical arranged described left and right support with the end face center of circle along described center line on the cylindrical pedestal end face; Described axis hole alignment pin inserts the bearing pilot hole with matched in clearance, and described left and right valve seat alignment pin inserts the valve seat alignment pin pilot hole of left and right support respectively with matched in clearance; Axis hole alignment pin axis, left and right valve seat alignment pin axis and described center line are at same perpendicular; The opposite end of left and right valve seat alignment pin is respectively equipped with the horizontal upper end face, fixedly install vertical roller pin on it, the roller of vertical roller pin evagination part suit and its matched in clearance, the bottom surface of horizontally disposed described cam and described pair of rollers should, be provided with all grooves of ring, the vertical roller pin of suit roller crouches into wherein, roller and all groove matched in clearance of ring; The fixedly connected camshaft in cam bottom, camshaft vertically passes cylindrical pedestal end face centre bore, and its bottom is connected with the described cam turning handle key that stretches out from cylindrical pedestal sidewall window; Rotate extruding by cam and stretch out ultimate range between the outer left and right valve seat alignment pin two external part end faces of left and right support valve seat alignment pin pilot hole greater than end distance in the valve seat and less than the outer end distance of valve seat; The distance of left and right valve seat alignment pin axis and valve body end face equals the distance of valve seat diaxon axially bored line and valve seat bottom surface; Described three vertical elastic valve body alignment pins are disposed on the cylindrical pedestal end face at the valve interior wall position that reclines.
2. installation fixture of press-seat butterfly valve seat according to claim 1, it is characterized in that corresponding vertically elastic valve body alignment pin position is provided with the little big cylindric lumen pore of step in footpath down in footpath on described cylindrical pedestal sidewall, Kong Dingwei opens the minor diameter circular hole at the cylindrical pedestal end face, it at the bottom of the hole cylindrical pedestal base plate, described vertical elastic valve body alignment pin comprises stage clip and by pin rod and be located at the pin rod base portion and shank that pin rod baffle plate connected vertically forms, described stage clip is arranged in the cylindric lumen pore of step, its lower end is against on the cylindrical pedestal base plate, the baffle plate of its upper end roof pressure described shank, shank stretches out the step superset of the outer and baffle plate retaining of the minor diameter circular hole of cylindrical pedestal end face at the cylindric lumen pore of step with its pin rod; Three vertical elastic valve body alignment pins recline with its pin rod, and the valve interior wall position is uniform to be arranged on the cylindrical pedestal.
3. installation fixture of press-seat butterfly valve seat according to claim 1 and 2 is characterized in that original state is that the described alignment pin handle of vertically location is to compress by top handle body and bottom band cambered surface that body is fixedly connected to be constituted; The axis hole alignment pin pilot hole of described bearing is being fixed with check plate near alignment pin handle end face, described axis hole alignment pin one end is the shoulder external part, the other end is a link, insert the axis hole alignment pin of bearing axis hole alignment pin pilot hole, its link passes check plate via hole and alignment pin handle, and to compress body hinged, the described body cambered surface that compresses is pressed on the check plate, hinge and the vertical range that compresses the body cambered surface greater than with the horizontal range that compresses the body cambered surface, and between described shoulder and check plate, be provided with back-moving spring.
4. installation fixture of press-seat butterfly valve seat according to claim 1 and 2, it is characterized in that being provided with flat key at the described center line in described bar shaped support plate upper edge, described flat key is inlaid in the corresponding strip groove that is provided with in the described bearing bottom surface that is provided with axis hole alignment pin pilot hole with matched in clearance.
5. installation fixture of press-seat butterfly valve seat according to claim 1 and 2 is characterized in that with interference fit copper sheathing being set in the valve seat alignment pin pilot hole of described left and right support, and described copper sheathing and described left and right valve seat alignment pin are matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102590642A CN101875188B (en) | 2009-12-06 | 2009-12-06 | Installation fixture of press-seat butterfly valve seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102590642A CN101875188B (en) | 2009-12-06 | 2009-12-06 | Installation fixture of press-seat butterfly valve seat |
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| CN101875188A CN101875188A (en) | 2010-11-03 |
| CN101875188B true CN101875188B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102590642A Active CN101875188B (en) | 2009-12-06 | 2009-12-06 | Installation fixture of press-seat butterfly valve seat |
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| CN (1) | CN101875188B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100876A (en) * | 2012-11-14 | 2013-05-15 | 安徽铜都阀门股份有限公司 | Fixing water valve device |
| CN103465063A (en) * | 2012-11-17 | 2013-12-25 | 镁联科技（芜湖）有限公司 | Fixture for clamping tool |
| CN103085005B (en) * | 2013-01-31 | 2015-04-08 | 宁波圣龙浦洛西凸轮轴有限公司 | Clamp on camshaft assembly machine for fixing cam piece |
| CN105522506B (en) * | 2016-02-19 | 2017-07-07 | 广西玉柴机器股份有限公司 | The auxiliary installation device of the parts of thermostat |
| CN107520800B (en) * | 2017-09-21 | 2019-02-19 | 安徽荣达阀门有限公司 | A kind of installation fixture of press-seat butterfly valve seat |
| CN108284532B (en) * | 2018-02-09 | 2023-11-24 | 福州天瑞线锯科技有限公司 | Silicon crystal clamping tool and silicon crystal cutting machine |
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| DE10215103A1 (en) * | 2002-04-05 | 2003-07-17 | Bayerische Motoren Werke Ag | Automotive cylinder head valve servicing jig plate, used in process to overhaul automotive cylinder head and replace valves, has slide-positioned valve supports |
| CN2875710Y (en) * | 2006-01-16 | 2007-03-07 | 许晓华 | Assembling holding device of mechanical driving system |
| CN200995373Y (en) * | 2006-12-14 | 2007-12-26 | 重庆宗申技术开发研究有限公司 | Assembly clamp of motorcycle |
| CN201020678Y (en) * | 2007-02-03 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Horizontal motorcycle engine follow-up jig |
| CN201579720U (en) * | 2009-12-06 | 2010-09-15 | 天津银河阀门有限公司 | Pressure seat type butterfly valve seat installing clamp |
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2009
- 2009-12-06 CN CN2009102590642A patent/CN101875188B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10215103A1 (en) * | 2002-04-05 | 2003-07-17 | Bayerische Motoren Werke Ag | Automotive cylinder head valve servicing jig plate, used in process to overhaul automotive cylinder head and replace valves, has slide-positioned valve supports |
| CN2875710Y (en) * | 2006-01-16 | 2007-03-07 | 许晓华 | Assembling holding device of mechanical driving system |
| CN200995373Y (en) * | 2006-12-14 | 2007-12-26 | 重庆宗申技术开发研究有限公司 | Assembly clamp of motorcycle |
| CN201020678Y (en) * | 2007-02-03 | 2008-02-13 | 重庆宗申技术开发研究有限公司 | Horizontal motorcycle engine follow-up jig |
| CN201579720U (en) * | 2009-12-06 | 2010-09-15 | 天津银河阀门有限公司 | Pressure seat type butterfly valve seat installing clamp |
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| CN101875188A (en) | 2010-11-03 |
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