CN207858172U - A kind of stator pressure keeping craft equipment - Google Patents

Abstract

The utility model discloses a kind of stator pressure keeping craft equipments, belong to motor tooling field, solving tooling, to apply the stressed arm of force to casing too short, so as to cause the small problem of dwell pressure, its key points of the technical solution are that, including pedestal, briquetting and threaded rod, the briquetting is sheathed on threaded rod, the threaded rod has several and circumferentially fixed in the edge of pedestal, the threaded rod threaded upper ends are connected with nut, the utility model is reasonable for structure, pressure is applied to briquetting using the circumferentially disposed nut in briquetting edge, to achieve the purpose that increase the pressure that applies to casing of briquetting.

Description

A kind of stator pressure keeping craft equipment

Technical field

The utility model is related to a kind of motor toolings, more specifically, it relates to a kind of stator pressure keeping craft equipment.

Background technology

Hot cover process is commonly used in motor production to be interference fitted the casing of motor and stator, and casing heating is made it Then stator is placed through in casing by expansion to expand the internal diameter of casing, then cooling down casing makes its contraction make casing The outer wall of inner wall and stator fits closely to reach fixed effect.Its inner wall and stator outer wall when casing after cooling is shunk Contradicting to generate stress may cause casing to deform, thus can be used after thermal sleeve stator pressure keeping craft equipment to casing apply pressure from And prevent casing from deforming.

Currently, a kind of pressure keeping craft equipment is disclosed, as shown in figure 4, including pedestal 2, being fixedly and coaxially connected in the spiral shell on pedestal Rasp bar 3 and coaxial sleeve are set to the briquetting 1 on threaded rod, and nut is threaded on the threaded rod 3；By the casing of thermal sleeve stator It is placed on threaded rod 3, pressure is applied to briquetting 1 using nut, pressure is applied to casing using briquetting 1 and pedestal 2, to anti- Only casing deforms.

But in above-mentioned technical proposal, pressurize keeps the nut of applied force centrally located, and acts on the power on casing then Positioned at the edge of briquetting, apply that the stressed arm of force is too short to casing, so as to cause the small problem of dwell pressure.

Utility model content

In view of the deficienciess of the prior art, the utility model lies in that provide a kind of stator pressure keeping craft equipment, set using circumferential It is placed in the nut at briquetting edge and pressure is applied to briquetting, to achieve the purpose that increase the pressure that briquetting applies casing.

To achieve the above object, the utility model provides following technical solution：A kind of stator pressure keeping craft equipment, including bottom Seat, briquetting and threaded rod, the briquetting are sheathed on threaded rod, and the threaded rod has several and circumferentially fixed in the side of pedestal At edge, the threaded rod threaded upper ends are connected with nut.

By using above-mentioned technical proposal, pressure is applied to briquetting using the circumferentially disposed nut in briquetting edge, to It increases and the stressed arm of force is applied to casing, to increase the pressure that briquetting applies casing, to further prevent machine Shell deforms.

The utility model is further arranged to：The nut be first gear, the first gear be internally provided with and spiral shell First screw thread of rasp bar occlusion rotates coaxially to be connected on the briquetting and engages second gear with first gear.

By using above-mentioned technical proposal, rotates second gear and all first gears can be made while being rotated, use It is more convenient, and the angle rotated is identical, to which the pressure applied to briquetting is identical, makes the pressure that briquetting applies casing more Add uniformly.

The utility model is further arranged to：Middle screw rod, the second gear have been fixedly and coaxially connected on the pedestal It is inside equipped with the second screw thread, the second gear is sheathed in middle screw rod and the two is threaded, second screw thread Thread rotary orientation is opposite with the thread rotary orientation of the first screw thread.

By using above-mentioned technical proposal, second gear is engaged with first gear, the rotation of second gear and first gear Direction on the contrary, and the thread rotary orientation of the thread rotary orientation of the second screw thread and the first screw thread on the contrary, to when second gear drive first When gear rotation compresses briquetting, second gear also applies pressure to briquetting, further increases the pressure applied to briquetting, makes The pressure that briquetting applies casing is more uniform.

The utility model is further arranged to：Mounting groove is offered on the briquetting, is offered and is installed on the briquetting The opening of slot connection, for the opening with briquetting in coaxial arrangement, the first gear and second gear are rotationally connected with installation In slot, the second gear upper surface is fixedly connected with the upper cover of closing opening.

By using above-mentioned technical proposal, first gear and second gear are accommodated using mounting groove, to reduce dust Transmission between impurity effect first gear and second gear starts dust-proof effect, and making tooling, the service life is longer.

The utility model is further arranged to：The upper lid is equipped with handle, and the handle is inclined to set, the handle It is tilted upwards along the direction far from middle screw rod.

By using above-mentioned technical proposal, swing handle can drive upper cover to rotate, and to make second gear rotate, make Briquetting applies pressure to casing, and simpler laborsaving using handle rotary upper cover.

The utility model is further arranged to：Between the first gear and briquetting and between second gear and briquetting It is provided with taper roll bearing.

By using above-mentioned technical proposal, reduced between first gear and briquetting using taper roll bearing and second Frictional force between gear and briquetting is made first gear and second gear rotate more smooth, and is passed using taper roll bearing Pass the pressure of first gear and second gear to briquetting.

The utility model is further arranged to：The pedestal is equipped with inner sleeve, the outer wall of the inner sleeve and stator Inner wall is bonded, and the inner sleeve side is equipped with notch.

By using above-mentioned technical proposal, the outer wall of the inner sleeve is bonded with the inner wall of stator, to be carried out to stator Positioning, when the pressure that briquetting applies casing is more uniform.

The utility model is further arranged to：The briquetting edge is equipped with the flange extended downwardly, and the flange contacts at Casing outer wall.

By using above-mentioned technical proposal, casing outer wall is contacted at using flange, to which top positions casing, is made The pressure that briquetting applies casing is more uniform, to the pressure applied to casing when briquetting, stator will not be made to be generated with casing It tilts.

In conclusion the utility model has the advantages that：Casing and stator are positioned, briquetting applies casing The pressure added is more and more uniform, prevents casing from deforming, using laborsaving convenience, service life is long.

Description of the drawings

Fig. 1 is the stereogram of the present embodiment；

Fig. 2 is the sectional view that the present embodiment is used to show briquetting internal structure；

Fig. 3 is the portions the A enlarged drawing of Fig. 2；

Fig. 4 is the stereogram of background technology.

Reference numeral：1, briquetting；11, mounting groove；12, first gear；121, the first screw thread；13, second gear；131, on Lid；132, handle；133, it is open；134, the second screw thread；14, flange；2, pedestal；21, inner sleeve；211, notch；3, threaded rod； 31, middle screw rod；5, taper roll bearing.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment；In this practicality In novel description, it is to be understood that if there is the orientation or positional relationship of the instructions such as term "upper", "lower", "left", "right" to be It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing The term for stating position relationship only for illustration, should not be understood as the limitation to this patent, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.

A kind of stator pressure keeping craft equipment, as shown in Figure 1, including pedestal 2, briquetting 1 and threaded rod 3, wherein pedestal 2 and briquetting 1 Be disc, threaded rod 3 there are six and it is circumferentially fixed be connected on pedestal 2, briquetting 1 in coaxial arrangement and is covered with pedestal 2 On threaded rod 3；Casing is positioned on pedestal 2 by stator and casing hot jacket after fixing, and then utilizes briquetting 1 and pedestal 2 right Casing applies constant pressure, prevents casing from deforming using pressure.

As shown in Fig. 2, offering mounting groove 11 on briquetting 1, mounting groove 11 is rounded and is in coaxial arrangement with briquetting 1, 11 inner circumferential of mounting groove first gear 12 equipped with there are six, first gear 12 is rotationally connected on briquetting 1 and first gear 12 Inner wall be equipped with the first screw thread 121（Referring to Fig. 3）, six first gears 12 are sheathed on respectively on threaded rod 3 and the two is in It is threadedly coupled, when first gear 12 rotates, because the effect of threaded connection can apply briquetting 1 when first gear 12 rotates clockwise Add downward pressure.It is rotated coaxially in mounting groove 11 and is connected with second gear 13, second gear 13 and six first gears 12 are same When engage, when second gear 13 rotates counterclockwise, first gear 12 all rotates clockwise, what each first gear 12 rotated Angle is identical, to which the pressure applied to briquetting 1 is identical, keeps the pressure that briquetting 1 applies casing more uniform.Second gear 13 On be coaxially equipped with middle screw rod 31,31 lower end of middle screw rod is fixedly connected on pedestal 2,13 inner wall of second gear be equipped with The second opposite screw thread 134 of the thread rotary orientation of first screw thread 121, second gear 13 is threadedly coupled with middle screw rod 31, when second The pressure that can also apply to briquetting 1 when gear 13 rotates counterclockwise, further increases the pressure applied to briquetting 1, makes briquetting 1 The pressure applied to casing is more uniform.First gear 12 and second gear 13 are herringbone bear, axis when herringbone bear rotates Small to load, bearing capacity is high.

As shown in figure 3, in order to reduce between first gear 12 and briquetting 1 and between second gear 13 and briquetting 1 Frictional force is both provided with taper roll bearing 5 between first gear 12 and briquetting 1 and between second gear 13 and briquetting 1, The pressure of first gear 12 and second gear 13 to briquetting 1 is transmitted using taper roll bearing 5.Briquetting offers on 1 upper surface The opening 133 being connected to mounting groove 11 is fixedly connected with the upper cover 131 of closing opening 133,131 phase of upper cover in second gear 13 Briquetting 1 is rotated.Handle 132 is fixedly connected in upper cover 131（Referring to Fig. 2）, handle 132 is inclined to set and handle 132 Straight line intersection of the straight line at place where with middle screw rod 31, handle 132 tilt upwards along the direction far from middle screw rod 31； Swing handle 132 can drive upper cover 131 to rotate, and to make second gear 13 rotate, briquetting 1 be made to apply pressure to casing, And it is that upper cover 131 is simpler laborsaving using the rotation of handle 132.

As shown in Fig. 2, 1 edge of briquetting is fixedly connected with the flange 14 extended downwardly, the inner wall of flange 14 contradicts when pressurize In on casing outer wall；Inner sleeve 21 it has been fixedly and coaxially connected on pedestal 2, the outer wall of inner sleeve 21 and the inner wall of stator paste when pressurize It closes, the notch 211 that promising stator conductor is stepped down is opened up on inner sleeve 21, from casing and determined respectively using flange 14 and inner sleeve 21 Two positions up and down of son are positioned, and ensure that casing and stator, in coaxial arrangement, make briquetting 1 apply casing with pressure keeping craft equipment The pressure added is more uniform, to the pressure applied to casing when briquetting 1, stator will not be made to generate inclination with casing.

Specific working mode：It will remove on briquetting 1 and threaded rod 3, place casing after stator and casing hot jacket are fixed In on pedestal 2, and the outer wall of inner sleeve 21 is made to be bonded with the inner wall of stator, briquetting 1 is placed on threaded rod 3, then the inverse time Needle swing handle 132, to make upper cover 131 that second gear 13 be driven to rotate counterclockwise, second gear 13 drives first gear 12 It rotates clockwise, so that first gear 12 and second gear 13 is applied downward pressure to briquetting 1, by briquetting 1 to casing Apply pressure until casing cools down.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (8)

1. a kind of stator pressure keeping craft equipment, including pedestal（2）, briquetting（1）And threaded rod（3）, the briquetting（1）It is sheathed on threaded rod （3）, it is characterized in that：The threaded rod（3）There are several and circumferentially fixed in pedestal（2）Edge, the threaded rod（3） Threaded upper ends are connected with nut.

2. a kind of stator pressure keeping craft equipment according to claim 1, it is characterized in that：The nut is first gear（12）, institute State first gear（12）Be internally provided with and threaded rod（3）First screw thread of occlusion（121）, the briquetting（1）On rotate coaxially It is connected with and first gear（12）Engage second gear（13）.

3. a kind of stator pressure keeping craft equipment according to claim 2, it is characterized in that：The pedestal（2）On be fixedly and coaxially connected There is middle screw rod（31）, the second gear（13）Inside it is equipped with the second screw thread（134）, the second gear（13）It is sheathed on centre Screw rod（31）Upper and the two is threaded, second screw thread（134）Thread rotary orientation and the first screw thread（121）Screw thread It is oppositely oriented.

4. a kind of stator pressure keeping craft equipment according to claim 3, it is characterized in that：The briquetting（1）On offer mounting groove （11）, the briquetting（1）On offer and mounting groove（11）The opening of connection（133）, the opening（133）With briquetting（1）It is in Coaxial arrangement, the first gear（12）And second gear（13）It is rotationally connected with mounting groove（11）It is interior, the second gear （13）Upper surface is fixedly connected with closing opening（133）Upper cover（131）.

5. a kind of stator pressure keeping craft equipment according to claim 4, it is characterized in that：The upper cover（131）It is equipped with handle （132）, the handle（132）It is inclined to set, the handle（132）Along far from middle screw rod（31）Direction to updip Tiltedly.

6. a kind of stator pressure keeping craft equipment according to claim 3, it is characterized in that：The first gear（12）With briquetting（1） Between and second gear（13）With briquetting（1）Between be both provided with taper roll bearing（5）.

7. a kind of stator pressure keeping craft equipment according to claim 1, it is characterized in that：The pedestal（2）It is equipped with inner sleeve （21）, the inner sleeve（21）Outer wall be bonded with the inner wall of stator, the inner sleeve（21）Side is equipped with notch（211）.

8. a kind of stator pressure keeping craft equipment according to claim 4, it is characterized in that：The upper cover（131）Edge is equipped with downward The flange of extension（14）, the flange（14）Contact at casing outer wall.