CN207624510U - Transformer core column clamping device - Google Patents

Abstract

The utility model provides a kind of transformer core column clamping device, lower clamping piece including upper clamping piece, below upper clamping piece, and the pull rods of multiple connection upper clamping pieces and lower clamping piece, it is fixed with for driving upper clamping piece to move up and down to adjust the regulating device of spacing between upper clamping piece and lower clamping piece on upper clamping piece；Regulating device includes the sleeve mechanism being fixed on upper clamping piece, the thread spindle for being threadedly coupled with sleeve mechanism in sleeve mechanism and being used to that sleeve mechanism to be driven to move up and down.Transformer core column clamping device provided by the utility model, for regulating device for adjusting distance between upper clamping piece and lower clamping piece, regulative mode is easy, and the thread spindle of regulating device is fixed on barrel bore, is hardly damaged deformation, improves service life；Upper clamping piece will not rotate during moving up and down, and the problem of being not in abrasion core limb and be difficult to clamp core limb, after the gripping means grips core limb, core limb is unlikely to deform during standing up, and lamination will not mutual dislocation.

Description

Transformer core column clamping device

Technical field

The utility model belongs to transformer technology field, is to be related to a kind of transformer core column clamping dress more specifically It sets.

Background technology

Transformer Core Sheet forms core limb after the completion of stack, and core limb needs 90 ° of the overturning on roll-over table to stand up, iron Stem not only needs to tighten the included fastener of iron core before standing up, it is also necessary to gripping means grips core limb is used, to ensure Core limb after vertical does not occur compared with large deformation, lamination not mutual dislocation.

Chinese utility model patent discloses " a kind of for transformer iron core iron yoke clamping special tooling ", including upper clamping On four angles of beam, lower clamped beam and clamping screw, upper clamped beam and lower clamped beam, it is respectively provided with the hole being mutually matched, four folders Tight screw rod respectively penetrates in the hole at four angles, is fastened by bolts, and constitutes frame-type structure.The clamping special tooling passes through hydraulic pressure thousand The cooperation of jin top, clamps iron core yoke clip piece, increases iron core clamping force, prevents lamination when clamper for iron core standing from being shifted with respect to folder, in iron Transformer noise and loss are reduced when the heart is run.The clamping special tooling adjusts upper clamped beam and lower clamped beam using clamping screw Between spacing, the threaded portion of clamping screw is exposed outside, and screw rod is easily deformable, in addition, rotary screw may drive Clamped beam or the rotation of lower clamped beam, cause clamped beam to wear iron core.

Utility model content

The purpose of this utility model is to provide a kind of transformer core column clamping devices, it is intended to which solution is adjusted in the prior art Save the problem of screwed part is exposed easily deformable outside and iron core is worn of iron core intercolumniation, have it is simple in structure, it is easy to use, Feature with long service life.

To achieve the above object, the technical solution adopted in the utility model is：A kind of transformer core column clamping dress is provided It sets, including upper clamping piece, the lower clamping piece below the upper clamping piece and multiple connection upper clamping pieces and the lower clamping piece Pull rod, it is characterised in that：It is fixed on the upper clamping piece for driving the upper clamping piece to move up and down to adjust the upper clamping piece The regulating device of spacing between the lower clamping piece；

The regulating device includes the sleeve mechanism being fixed on the upper clamping piece, be located at the sleeve mechanism in it is described Sleeve mechanism is threadedly coupled and for driving the thread spindle that the sleeve mechanism moves up and down.

Further, the regulating device further includes being moved relative to the sleeve mechanism for limiting the thread spindle Distance and the thrust mechanism for driving the sleeve mechanism to move up and down；The thrust mechanism is sheathed on the thread spindle and is clamped Between the thread spindle and the sleeve mechanism inner wall.

Further, the sleeve mechanism includes the sleeve with inner cavity being fixed on upper clamping piece, and is fixed on institute State the thread bush in sleeve；The peripheral surface of the thread bush is equipped with the strip fluting axially extended；It is solid on the sleeve Surely there are at least two second bolts of axially spaced distribution；The tail portion of second bolt is located in strip fluting；

The lower end of the thread bush is fixed with the first bottom plate for being contacted with transformer core column, first bottom plate position Below the sleeve, the diameter of first bottom plate is more than the internal diameter of the barrel bore.

Further, the intermediate position of the thread spindle is equipped with the shaft shoulder, and the position below the shaft shoulder is located on the thread spindle With external screw thread, and the position is located in the thread bush, and the sleeve is stretched out in the upper end of thread spindle；

The lower face of the shaft shoulder is contacted with the upper surface of the thread bush；The thrust mechanism is connected in the shaft shoulder Between upper surface and the roof of the barrel bore.

Further, the upper end of the thread spindle is connected with the first bolt for driving the thread spindle rotation；It is described The first gasket is fixed between first bolt and the upper surface of the thread spindle.

Further, the position of the stretching sleeve of the thread spindle is arranged with axle sleeve；The axle sleeve and the sleeve Between be fixed with the second gasket.

Further, the thrust mechanism is thrust bearing.

Further, it is installed on the lower clamping piece immediately below first bottom plate and for being connect with transformer core The second tactile bottom plate.

Further, on the upper clamping piece upper groove is respectively equipped in the both sides of the sleeve；It is corresponding on the lower clamping piece Lower groove is equipped at position below the upper groove.

Further, the both ends of the pull rod are respectively provided with the hook with upper groove and lower groove mounting.

The advantageous effect of transformer core column clamping device provided by the utility model is：Compared with prior art, originally The transformer core column clamping device of utility model, regulating device is for adjusting distance, adjusting side between upper clamping piece and lower clamping piece Formula is easy, and the thread spindle of regulating device is fixed on sleeve mechanism inner cavity, is hardly damaged deformation, improves service life；Upper clamping piece The problem of will not being rotated during moving up and down, being not in abrasion core limb and be difficult to clamp core limb, clamping device folder After tight core limb, core limb is unlikely to deform during standing up, and lamination will not mutual dislocation.

Description of the drawings

Fig. 1 is the structural schematic diagram for the transformer core column clamping device that the utility model embodiment provides；

Fig. 2 is the connection diagram of transformer core column clamping device and core limb that the utility model embodiment provides；

Fig. 3 is the connection diagram of the sleeve and upper clamping piece in Fig. 1；

Fig. 4 is the structural schematic diagram of the thread bush in Fig. 1；

Fig. 5 is the structural schematic diagram of the thread spindle in Fig. 1；

Fig. 6 is the structural schematic diagram of the lower clamping piece in Fig. 1；

Fig. 7 is the structural schematic diagram of the pull rod in Fig. 1.

In figure：10, upper clamping piece；11, upper groove；20, lower clamping piece；21, lower groove；22, the second bottom plate；30, pull rod；40、 Sleeve；41, the second bolt；50, thread bush；51, the first bottom plate；52, strip is slotted；60, thread spindle；61, axle sleeve；62, One bolt；63, the shaft shoulder；70, core limb；80, thrust bearing；91, the first gasket；92, the second gasket.

Specific implementation mode

In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It is to be appreciated that the orientation or positional relationship of the instructions such as term "upper", "lower" is orientation based on ... shown in the drawings Or position relationship, be merely for convenience of describing the present invention and simplifying the description, do not indicate or imply the indicated device or Element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as the limit to the utility model System.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

It please refers to Fig.1 and Fig. 2, now transformer core column clamping device provided by the utility model is illustrated.Transformation Device core limb clamping device, including upper clamping piece 10, lower clamping piece 20 and multiple connection upper clamping pieces 10 positioned at 10 lower section of upper clamping piece With the pull rod 30 of lower clamping piece 20, it is fixed on upper clamping piece 10 for driving upper clamping piece 10 to move up and down to adjust upper clamping piece 10 under The regulating device of spacing between folder 20；Regulating device includes the sleeve mechanism being fixed on upper clamping piece 10, is located at sleeve mechanism The interior thread spindle 60 for being threadedly coupled with sleeve mechanism and being used to that sleeve mechanism to be driven to move up and down.

Transformer core column clamping device provided by the utility model use process is as follows：Transformer Core Sheet is in stack Core limb 70 is formed after the completion, and before core limb 70 stands up, upper clamping piece 10 is placed on to the top of core limb 70, uses two The pull rod 30 of suitable length is docked with upper clamping piece 10, then puts lower clamping piece 20 in the lower end of core limb 70, and right with pull rod 30 It connects, turns the thread spindle 60 of regulating device, sleeve mechanism is driven to move up, and then upper clamping piece 10 is driven to move up, upper folder Spacing between part 10 and lower clamping piece 20 becomes larger, and finally two pull rods 30 is used to tense upper clamping piece 10 and lower clamping piece 20, reaches folder The purpose of tight core limb 70.

Transformer core column clamping device provided by the utility model, compared with prior art, regulating device is for adjusting Distance between upper clamping piece 10 and lower clamping piece 20, regulative mode is easy, and the thread spindle 60 of regulating device is fixed in sleeve mechanism, no Fragile deformation, improves service life；Upper clamping piece 10 will not rotate during moving up and down, and be not in abrasion core limb 70 And the problem of being difficult to clamp core limb 70, after the gripping means grips core limb 70, core limb 70 is not variable during standing up Shape, dislocation.

Further, referring to Fig. 1, regulating device further includes being sheathed on thread spindle 60 and being connected in thread spindle 60 and set Thrust mechanism between cylinder mechanism inner wall, thrust mechanism are used to limit the distance and drive that thread spindle 60 is moved relative to sleeve mechanism Sleeve mechanism moves up and down.

Further, please refer to Fig. 3 and Fig. 4, sleeve mechanism include be fixed on 10 centre of upper clamping piece there is inner cavity Sleeve 40, and the thread bush 50 that is fixed in sleeve 40.At least two of axially spaced distribution are fixed on sleeve 40 Second bolt 41.The peripheral surface of thread bush 50 is equipped with the strip fluting 52 axially extended.The tail portion position of second bolt 41 In in strip fluting 52, using 41 branch sleeve 40 of the second bolt and thread bush 50, limiting sleeve 40 will not be relative to spiral shell 50 rotation of line set.

Further, referring to Fig. 4, the lower end of thread bush 50 is fixed with first for being contacted with transformer core column 70 Bottom plate 51, the first bottom plate 51 are located at 40 lower section of sleeve, and the diameter of the first bottom plate 51 is more than the internal diameter of 40 inner cavity of sleeve so that first Bottom plate 51, which is driven, to be moved upwardly without across sleeve 40, and the first bottom plate 51 can also apply upwards thrust to upper clamping piece 10, make Upper clamping piece 10 moves up.

Further, referring to Fig. 5, the intermediate position of thread spindle 60 have one at the shaft shoulder 63, thread spindle 60 in the shaft shoulder The position of 63 lower sections carries external screw thread, and is located in thread bush 50 with the externally threaded position.The lower face of the shaft shoulder 63 and spiral shell The upper surface contact of line set 50, the upper surface of the shaft shoulder 63 are contacted with the lower face of thrust mechanism, i.e., the shaft shoulder 63 is stuck in thrust mechanism Between thread bush 50 so that during thread spindle 60 is rotated down relative to thread bush 50, due to thread spindle 60 and thread bush 50 screw-thread fits, the rotation of thread spindle 60 can drive thread bush 50 to move down, and then with moving sleeve 40 and upper clamping piece 10 to moving down It is dynamic.

Specifically, the upper end of thread spindle 60 is pierced by sleeve 40, and the position of the stretching sleeve 40 of thread spindle 60 is arranged with axle sleeve 61, for coating thread spindle 60, avoid thread spindle 60 exposed outside.Further, is fixed between axle sleeve 61 and sleeve 40 Two gaskets 92, for avoiding sleeve 40 from directly with 61 rigid contact of axle sleeve, buffering pressure between the two.

Specifically, the upper end of thread spindle 60 is fixed with the first bolt 62 for driving thread spindle 60 to rotate, and turns first Bolt 62 can be such that thread spindle 60 rotates, simple and convenient.The head of first bolt 62 and thread spindle 60 upper surface (and The upper surface of axle sleeve 61) between be fixed with the first gasket 91, for avoiding the first bolt 62 and 61 rigid contact of axle sleeve, buffering two Pressure between person.

Further, it please refers to Fig.1 and Fig. 2, thrust mechanism is thrust bearing 80, thrust bearing 80 is set in thread spindle 60 On, and the lower face of thrust bearing 80 is contacted with the upper surface of the shaft shoulder 63, upper surface and 40 inner cavity of sleeve of thrust bearing 80 Roof contacts, i.e., thrust bearing 80 is connected between the roof of 40 inner cavity of upper surface and sleeve of the shaft shoulder 63, in addition, due to the shaft shoulder 63 are stuck between thrust bearing 80 and thread bush 50 so that during thread spindle 60 is rotated up relative to thread bush 50, screw thread The rotation of axis 60 can drive thrust bearing 80 to move up, and final band moving sleeve 40 and upper clamping piece 10 move up.

Further, referring to Fig. 3, being axially and symmetrically equipped with one group along sleeve 40 in the both sides of sleeve 40 on upper clamping piece 10 Upper groove 11, every group of upper groove 11 are equipped at least two at equal intervals along the length direction of upper clamping piece 10.Further, figure is please referred to 6, lower groove 21, upper groove 11 and lower groove 21 are equipped at the position corresponded to immediately below each upper groove 11 on lower clamping piece 20 It corresponds.

Further, referring to Fig. 7, there are two pull rod 30 sets, the both ends of each pull rod 30 are respectively provided with hook, two extensions Hook is hooked in upper groove 11 and the lower groove 21 immediately below the upper groove 11 respectively.

Further, referring to Fig. 6, being fixed with second at the position corresponded to immediately below the first bottom plate 51 on lower clamping piece 20 Bottom plate 22, the second bottom plate 22 is for the lower end in contact and compression with core limb 70.When core limb 70 stands up, the first bottom plate 51 and Two bottom plates 22 compress core limb 70 respectively, avoid it from deforming, transposition.

Specific use process is as follows for transformer core column clamping device provided by the utility model：

Gap Transformer Core Sheet forms core limb 70 after the completion of stack, before core limb 70 stands up, by upper clamping piece 10 It is placed on the lamination of the top of core limb 70, is hung on upper clamping piece 10 using the pull rod 30 of two suitable lengths, Then lower clamping piece 20 is put in the lower end of core limb 70, the second bottom plate 22 is adjacent to core limb 70, and pull rod 30 is hung on lower clamping piece 20. The first bolt of turn 62 makes thread spindle 60 be screwed out upwards relative to thread bush 50, since thread spindle 60 is limited, 60 meeting of thread spindle It drives thread bush 50 to move up, and then is moved up with moving sleeve 40, and then upper clamping piece 10 is driven to move up, upper clamping piece 10 Spacing between lower clamping piece 20 becomes larger, and is finally hooked on respectively in upper groove 11 and lower groove 21 using two pull rods 30, on Folder 10 is moved to the direction of core limb 70 respectively with lower clamping piece 20, to clamp core limb 70.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model Protection domain within.

Claims (10)

1. transformer core column clamping device, including upper clamping piece, the lower clamping piece below the upper clamping piece and multiple connections The pull rod of the upper clamping piece and the lower clamping piece, it is characterised in that：It is fixed on the upper clamping piece for driving the upper clamping piece It moves up and down to adjust the regulating device of spacing between the upper clamping piece and the lower clamping piece；

The regulating device includes the sleeve mechanism being fixed on the upper clamping piece, is located in the sleeve mechanism and the sleeve Mechanism is threadedly coupled and for driving the thread spindle that the sleeve mechanism moves up and down.

2. transformer core column clamping device as described in claim 1, it is characterised in that：The regulating device further includes being used for Limit the distance and the thrust machine for driving the sleeve mechanism to move up and down that the thread spindle is moved relative to the sleeve mechanism Structure；The thrust mechanism is sheathed on the thread spindle and is connected between the thread spindle and the sleeve mechanism inner wall.

3. transformer core column clamping device as claimed in claim 2, it is characterised in that：The sleeve mechanism includes being fixed on The sleeve with inner cavity on the upper clamping piece, and the thread bush that is fixed in the sleeve；The peripheral surface of the thread bush It is equipped with the strip fluting axially extended；At least two second spiral shells of axially spaced distribution are fixed on the sleeve Bolt；The tail portion of second bolt is located in strip fluting；

The lower end of the thread bush is fixed with the first bottom plate for being contacted with transformer core column, and first bottom plate is located at institute It states below sleeve, the diameter of first bottom plate is more than the internal diameter of the barrel bore.

4. transformer core column clamping device as claimed in claim 3, it is characterised in that：The intermediate position of the thread spindle is set There is the shaft shoulder, the position below the shaft shoulder is located on the thread spindle and carries external screw thread, and with the externally threaded position positioned at described In thread bush, the sleeve is stretched out in the upper end of the thread spindle；

The lower face of the shaft shoulder is contacted with the upper surface of the thread bush；The thrust mechanism is connected in the upper end of the shaft shoulder Between face and the roof of the barrel bore.

5. transformer core column clamping device as claimed in claim 3, it is characterised in that：The upper end of the thread spindle is connected with The first bolt for driving the thread spindle rotation；Is fixed between first bolt and the upper surface of the thread spindle One gasket.

6. transformer core column clamping device as claimed in claim 3, it is characterised in that：The stretching set of the thread spindle The position of cylinder is arranged with axle sleeve；The second gasket is fixed between the axle sleeve and the sleeve.

7. transformer core column clamping device as claimed in claim 3, it is characterised in that：The thrust mechanism is thrust axis It holds.

8. transformer core column clamping device as claimed in claim 3, it is characterised in that：It is installed with and is located on the lower clamping piece The second bottom plate immediately below first bottom plate and for being contacted with transformer core.

9. transformer core column clamping device as claimed in claim 3, it is characterised in that：In the sleeve on the upper clamping piece Both sides be respectively equipped with upper groove；Correspond on the lower clamping piece and is equipped with lower groove at the position below the upper groove.

10. transformer core column clamping device as claimed in claim 9, it is characterised in that：The both ends of the pull rod are set respectively It is useful for the hook mounted with upper groove and lower groove.