CN204771263U - Electricity heating element's clamping position device - Google Patents
Electricity heating element's clamping position device Download PDFInfo
- Publication number
- CN204771263U CN204771263U CN201520332904.4U CN201520332904U CN204771263U CN 204771263 U CN204771263 U CN 204771263U CN 201520332904 U CN201520332904 U CN 201520332904U CN 204771263 U CN204771263 U CN 204771263U
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- electric heating
- heating assembly
- clamping
- objective table
- holder
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Abstract
The utility model discloses an electricity heating element's clamping position device, electric heating element is cylindrically, and the clamping position device includes the frame, fix in the frame and have a drive arrangement that can make linear motion's execute component, connect holder on execute component and the controlling means who is connected with drive arrangement, is provided with the objective table that is the mutual disposition with the holder in the frame, under drive arrangement's drive, the holder moves towards the objective table, and the electric heating element centre gripping on the objective table will be arranged in with the objective table to the holder to form the line contact of three at least departments along circumference interval distribution on electric heating element's periphery. Adopt mechanized operation, accomplish electric heating element's centering fast and keep at the centering state, improved assembly efficiency, electric heating element's concentricity and stability greatly to the assurance is provided for follow -up welded quality and reliability.
Description
Technical field
The utility model relates to frock technical field, particularly relates to a kind of clamping and positioning device of electric heating assembly.
Background technology
One loop of nuclear power station cooling system is the main system of nuclear power station, its role is to ensure enough cooling agent circulations, to be taken out of by the heat produced in reactor, then to be delivered in secondary circuit by heat by steam generator and to be used for driving steam turbine generator.In order to regulate and the pressure of stable primary Ioops, primary Ioops is configured with voltage-stablizer, and voltage-stablizer is mainly through some electric heater regulating system pressure.
Along with the continuous increase of electric heater running time, integral working can decline gradually, such as easily occurs the fault of the aspects such as electric and machinery.In order to ensure the safe operation of nuclear power system, where necessary electric heater is changed, owing to adopting the mode of butt welding to be connected between electric heater with electric heater sleeve pipe, therefore need to carry out multinomial nondestructive inspection (NDI), to guarantee sealing and the reliability of junction after welding.In actual applications, the positioning precision between electric heater and electric heater sleeve pipe directly affects sealing and the reliability of junction, therefore needs to ensure to have higher centering between electric heater and electric heater sleeve pipe in welding process.
But in existing electric heater and electric heater sleeve pipe assembling mode, first welding ring type filling is placed between electric heater and electric heater sleeve pipe, hand-held electric heater is also keeping motionless, hand-held edge of a knife chi along the circumferential direction detects the concentricity between electric heater and electric heater sleeve pipe again, then according to the concentricity adjustment electric heater of edge of a knife chi reflection and the relative position of electric heater sleeve pipe, until both concentricitys meet the demands.Obviously, above-mentioned assembling mode has the following disadvantages: 1, whole operating process is by completely hand-held, and lack stable fixture, very easily impact concentricity measurement result and final centering result, reliability is low; 2, because accuracy of alignment requires higher, hand-held centering action need carries out repeatedly multimetering, consuming time longer, and whole Link Efficiency is low.
Utility model content
Main purpose of the present utility model is the clamping and positioning device providing a kind of electric heating assembly, and it is low and be difficult to ensure the technical problem of concentricity to be intended to solve existing assembling mode efficiency.
For achieving the above object, the utility model provides a kind of clamping and positioning device of electric heating assembly, described electric heating assembly is cylindrical, described clamping and positioning device comprises frame, being fixed in described frame and having one can drive unit, the control device that is connected to the holder on described executive component and is connected with described drive unit of executive component of moving linearly, and described frame being provided with described holder is objective table positioned opposite; Under the driving of described drive unit, described holder is towards described stage movement, the electric heating assembly be placed on described objective table clamps by described holder and described objective table, to form at least three places linear contact lay circumferentially spaced apart on the periphery of described electric heating assembly.
Preferably, described frame comprises two columns and two crossbeams between described two columns, and described two crossbeams separate between the upper and lower, and described drive unit is fixedly connected with described two crossbeams respectively.
Preferably, the cross section of described crossbeam is L-type, and the interior angle that in crossbeam described in two, bending becomes is positioned opposite, and described drive unit connects with two inturned side of described crossbeam respectively.
Preferably, the connecting portion that described holder comprises clamping body and is arranged on described clamping body, described connecting portion and described executive component pivot joint; The one side in the face of described objective table of described clamping body is plane and can abuts with the periphery of described electric heating assembly, or the one side in the face of described objective table of described clamping body, caves inward as V-type face and can abut with the periphery of described electric heating assembly.
Preferably, described drive unit is straight line cylinder, and the piston rod of described straight line cylinder forms described executive component, and described control device is the magnetic valve with a manual lever; Or, the tooth bar that described drive unit comprises motor, is fixed on the gear on the output shaft of described motor and is meshed with described gear, described tooth bar forms described executive component, and described control device is the control panel of the operated key of the duty had for changing described motor.
Preferably, the one side in the face of described holder of described objective table, caves inward as V-type face and can abut with the periphery of described electric heating assembly.
Preferably, described objective table comprises two supporting members be arranged in parallel, and limits the space of electric heating assembly described in receiving unit described in two between supporting member, and described supporting member can abut with the periphery of described electric heating assembly.
Preferably, described supporting member is round bar shape.
Preferably, described supporting member can rotate around own axes.
The clamping and positioning device of a kind of electric heating assembly provided by the utility model, adopt mechanized operation, for electric heating assembly being clamped in assembling procedure, by holder and objective table, the concentricity to electric heating assembly regulates, complete the centering of electric heating assembly fast and remain on Shaft alignment state, substantially increase efficiency of assembling, improve concentricity and the stability of electric heating assembly simultaneously, thus provide effective guarantee for the q&r of follow-up welding.
Accompanying drawing explanation
Fig. 1 is the front view of clamping and positioning device one embodiment of electric heating assembly of the present utility model;
Fig. 2 is the side view of clamping and positioning device one embodiment of electric heating assembly of the present utility model;
Fig. 3 is the front view of the first holder shown in Fig. 1;
Fig. 4 is the side view of the first holder shown in Fig. 1.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further see accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of clamping and positioning device of electric heating assembly, adopt mechanized operation, for being clamped by electric heating assembly and remaining on positioning states, this electric heating assembly comprises cylindrical electric heater and electric heater sleeve pipe, adopts butt welding to fix between the two.In order to realize the location to electric heater and electric heater sleeve pipe in the assembling procedure of electric heating assembly, to make the accuracy of alignment of electric heater and electric heater sleeve pipe meet welding requirements, this clamping and positioning device has the effect electric heating assembly be clamped in wherein being completed centering.
See Fig. 1 and Fig. 2, in one embodiment, this clamping and positioning device comprises frame 100, being fixed in this frame 100 and having one can the drive unit 200 of executive component 210 of moving linearly, the control device 500 being connected to the holder 300 on executive component 210 and being connected with drive unit 200, frame 100 is provided with holder 300 in objective table (namely objective table is positioned at immediately below holder 300) positioned opposite, and holder 300 is provided with the first location structure, objective table is provided with the second location structure, wherein objective table is for carrying electric heating assembly 600 to be assembled, and keep not rotating under the effect of the second location structure.
First it should be noted that, connected mode between control device 500 and drive unit 200 is selected according to concrete structure of drive unit 200, such as this connected mode can be electrical connection, also can be that gas circuit connects, the duty of drive unit 200 is changed by this control device 500, such as control device 500 generates clamping instruction, moves with holder 300 to make the executive component 210 of drive unit 200 towards objective table 400.In order to ensure positioning precision, frame 100 is constructed to rigid structure, such as adopts multiple steel beam column to form and forms, or adopts single component one-body molded, the frame 100 of the present embodiment is preferably combining structure, simplifies processing and reduce production cost under the prerequisite ensureing rigid requirements.Meanwhile, in order to ensure the reliability and stability of clamping position, executive component 210 is also rigid structure, and the precision of executive component 210 moving linearly is then ensured by drive unit 200.Under the driving of drive unit 200, holder 300 is towards stage movement, the electric heating assembly 600 be placed on objective table clamps by holder 300 and objective table, to form at least three places linear contact lay circumferentially spaced apart on the periphery of electric heating assembly 600, linear contact lay is formed with the periphery of electric heating assembly 600 respectively especially by the first location structure and the second location structure, be to be understood that the first location structure and the second location structure to the force direction of electric heating assembly 600 along the radial direction of electric heating assembly 600 and towards axis, thus realize each parts clamping centering in electric heating assembly 600.
Particularly, frame 100 comprises two columns 110 and two crossbeams 120 between two columns 110, and this two crossbeam 120 separates between the upper and lower, and drive unit 200 is fixedly connected with two crossbeams 120 respectively.Wherein, column 110 is roughly in L-type, and stably can remain on upright state when being placed on work top or ground, crossbeam 120 is fixedly connected with column 110 by the such as securing member such as bolt, rivet.Preferably, crossbeam 120 is perpendicular with column 110, maintains the rigidity of whole frame 100 thus.Drive unit 200 is fixedly connected with two crossbeams 120 by bolt, the installation and the replacing that facilitate drive unit 200 on the one hand, be the position of convenient adjustment drive unit 200 on the other hand, meet to make the relative position between holder 300 and objective table and clamp centering requirement.
In better embodiment, the cross section of crossbeam 120 is L-type, such as this crossbeam 120 adopts L-type steel to make, and the interior angle that in two crossbeams 120, bending becomes is positioned opposite, drive unit 200 connects with two inturned side of crossbeam 120 respectively, thus strengthens the fixed effect of drive unit 200 further.Meanwhile, the crossbeam 120 of this version also improves rigidity under the prerequisite of weight reduction, is conducive to the rigidity keeping whole frame 100.
In order to make executive component 210 moving linearly, drive unit 200 also has numerous embodiments, the drive unit 200 of such as this enforcement is straight line cylinder, only bolt need be adopted just straight line cylinder can be fixed on crossbeam 120, fixed form is simple and easy to use, the piston rod of straight line cylinder forms executive component 210, corresponding, control device 500 is for having the magnetic valve of a manual lever, this magnetic valve at least has two control bits, the switching of control bit is realized by stirring this manual lever, such as one of them control bit is used for control piston bar and stretches out, another control bit is used for control piston bar and resets, a whole set of structure is simple and easy to use, and ensure that the kinematic accuracy of executive component 210, or, the tooth bar that drive unit 200 comprises motor, is fixed on the gear on the output shaft of motor and is meshed with this gear, this tooth bar forms executive component 210, corresponding with it, control device 500, for having the control panel of the operated key of the duty for changing motor, realizing the rotating of motor by pressing corresponding operated key and stopping keeping, compared to straight line cylinder, need to arrange the firm tooth bar of corresponding guide frame, overall structure is comparatively complicated, and reliability is also lower.
See Fig. 3 and Fig. 4, the connecting portion 320 that holder 300 comprises clamping body 310 and is arranged on this clamping body 310, wherein clamps body 310 and connecting portion 320 can be one-body molded, also can shaping respectively after linked together by associated connecting structure again.In order to keep enough rigidity, meet the requirement of clamping centering, holder 300 can be made up of the metal material that iron and steel or aluminium alloy etc. are any suitable.Consider that executive component 210, holder 300, electric heating assembly 600 and objective table are rigid structure, cause the first location structure can not form linear contact lay with electric heating assembly 600 in order to avoid the difference because existing between each electric heating assembly 600, connecting portion 320 and executive component 210 pivot joint, and pivot joint axis is perpendicular to executive component.In addition, in order to ensure that holder 300 only can rotate around its pivot joint axis, the end face of executive component 210 caves inward and is formed with the storage tank with connecting portion 320 adaptation, by this storage tank restriction holder 300 along the reciprocal play of its pivot joint axis, thus ensures the reliability of accuracy of alignment.
In the present embodiment, first location structure has the embodiment of plurality of optional, and linear contact lay can be formed with the periphery of electric heating assembly 600, under an embodiment, the one side in the face of objective table of clamping body 310 is plane and can abuts with the periphery of electric heating assembly 600, namely the first location structure is a plane, therefore when electric heating assembly 600 is clamped centering, forms place's linear contact lay between the periphery of the first location structure and electric heating assembly 600; Or, the one side in the face of objective table of clamping body 310, cave inward as V-type face 311 and can abut with the periphery of electric heating assembly 600, namely the first location structure intersects set of planes one-tenth by two, therefore when electric heating assembly 600 is clamped centering, form two place's linear contact lay between the periphery of the first location structure and electric heating assembly 600, compared to the former single planar structure, there is higher stability.In addition, in order to avoid the linear contact lay length formed between the first location structure and the periphery of electric heating assembly 600 is excessive and affect accuracy of alignment, clamping body 310 is formed with clearance position 312, only makes clamping body 310 be formed with the first location structure near its opposite two ends.
And for the second location structure, it also has numerous embodiments, the one side in the face of holder 300 of such as objective table, cave inward as V-type face and can abut with the periphery of electric heating assembly 600, second location structure intersects set of planes by two and becomes, also namely objective table can be one-body molded with frame 100, or objective table is reguline metal part, be arranged in frame 100 by securing member, such as objective table is between two columns 110 and be fixedly connected with this two column 110, and electric heating assembly 600 obviously can be kept under the effect of the second location structure not rotate, again such as, objective table comprises two supporting members be arranged in parallel 400, the space of receiving unit electric heating assembly 600 is limited between two supporting members 400, this supporting member 400 can be round bar shape, hollow or solid construction, the periphery of each supporting member 400 forms a part for the second location structure, therefore after placement electric heating assembly 600, the periphery of two supporting members 400 forms linear contact lay respectively and between the periphery of electric heating assembly 600, again in conjunction with the linear contact lay formed between the first location structure and the periphery of electric heating assembly 600, many places circumferentially isolated linear contact lay can be formed on the periphery of electric heating assembly 600, realize the centering location of each building block in electric heating assembly 600.
Further, supporting member 400 can rotate around self turning line, that is supporting member 400 and frame 100 pivot joint, can according to the structural form selection pin-jointed structure of frame 100 when practical application, such as supporting member 400 is between two columns 110, its two ends are connected with column 110 respectively by bolt, and keep can relatively rotating between bolt and column 110.By means of rotatable supporting member 400, be conducive to electric heating assembly 600 to be in place, make the periphery of the periphery of supporting member 400 and electric heating assembly 600 form reliable and stable linear contact lay, thus reach the object improving accuracy of alignment.
According to the technical scheme of the utility model embodiment, adopt mechanized operation, for electric heating assembly being clamped in assembling procedure, by the first location structure and the second location structure, the concentricity to electric heating assembly regulates, complete the centering of electric heating assembly fast and remain on Shaft alignment state, substantially increase efficiency of assembling, improve concentricity and the stability of electric heating assembly simultaneously, thus provide effective guarantee for the q&r of follow-up welding.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. the clamping and positioning device of an electric heating assembly, described electric heating assembly is cylindrical, it is characterized in that, described clamping and positioning device comprises frame, being fixed in described frame and having one can drive unit, the control device that is connected to the holder on described executive component and is connected with described drive unit of executive component of moving linearly, and described frame being provided with described holder is objective table positioned opposite; Under the driving of described drive unit, described holder is towards described stage movement, the electric heating assembly be placed on described objective table clamps by described holder and described objective table, to form at least three places linear contact lay circumferentially spaced apart on the periphery of described electric heating assembly.
2. clamping and positioning device as claimed in claim 1, it is characterized in that, described frame comprises two columns and two crossbeams between described two columns, and described two crossbeams separate between the upper and lower, and described drive unit is fixedly connected with described two crossbeams respectively.
3. clamping and positioning device as claimed in claim 2, it is characterized in that, the cross section of described crossbeam is L-type, and the interior angle that in crossbeam described in two, bending becomes is positioned opposite, and described drive unit connects with two inturned side of described crossbeam respectively.
4. clamping and positioning device as claimed in claim 1, is characterized in that, the connecting portion that described holder comprises clamping body and is arranged on described clamping body, described connecting portion and described executive component pivot joint; The one side in the face of described objective table of described clamping body is plane and can abuts with the periphery of described electric heating assembly, or the one side in the face of described objective table of described clamping body, caves inward as V-type face and can abut with the periphery of described electric heating assembly.
5. the clamping and positioning device according to any one of Claims 1-4, is characterized in that, described drive unit is straight line cylinder, and the piston rod of described straight line cylinder forms described executive component, and described control device is the magnetic valve with a manual lever; Or, the tooth bar that described drive unit comprises motor, is fixed on the gear on the output shaft of described motor and is meshed with described gear, described tooth bar forms described executive component, and described control device is the control panel of the operated key of the duty had for changing described motor.
6. clamping and positioning device as claimed in claim 5, is characterized in that, the one side in the face of described holder of described objective table, caves inward as V-type face and can abut with the periphery of described electric heating assembly.
7. clamping and positioning device as claimed in claim 5, it is characterized in that, described objective table comprises two supporting members be arranged in parallel, and limits the space of electric heating assembly described in receiving unit described in two between supporting member, and described supporting member can abut with the periphery of described electric heating assembly.
8. clamping and positioning device as claimed in claim 7, it is characterized in that, described supporting member is round bar shape.
9. clamping and positioning device as claimed in claim 8, it is characterized in that, described supporting member can rotate around own axes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332904.4U CN204771263U (en) | 2015-05-21 | 2015-05-21 | Electricity heating element's clamping position device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520332904.4U CN204771263U (en) | 2015-05-21 | 2015-05-21 | Electricity heating element's clamping position device |
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| Publication Number | Publication Date |
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| CN204771263U true CN204771263U (en) | 2015-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520332904.4U Active CN204771263U (en) | 2015-05-21 | 2015-05-21 | Electricity heating element's clamping position device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383233A (en) * | 2018-10-15 | 2019-02-26 | 江苏东方电热器制造有限公司 | A kind of new-energy automobile PTC electric heater adjustment type locating piece |
-
2015
- 2015-05-21 CN CN201520332904.4U patent/CN204771263U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383233A (en) * | 2018-10-15 | 2019-02-26 | 江苏东方电热器制造有限公司 | A kind of new-energy automobile PTC electric heater adjustment type locating piece |
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