CN206430919U - A kind of support force test device for stepper motor - Google Patents

Abstract

The utility model discloses a kind of support force test device for stepper motor, solving existing pressure tester needs operator to grip stepper motor and held stationary, the problem of pressure measurement process is difficult to lasting progress, its drip irrigation device is a kind of support force test device for stepper motor, including bottom plate, support base is fixedly connected with the bottom plate, counterweight groove is offered in the support base, the counterweight seat for being abutted with stepper motor is embedded with the support base, the counterweight seat slides along above and below the axle center of counterweight groove to be connected in counterweight groove, side of the bottom plate away from support base is fixedly connected with the fixed station for supporting stepper motor, the fixed station is fixedly connected with bottom plate by pillar.By the addition of pillar and fixed station, stepper motor is gripped without operator, the pressure measurement process of stepper motor can continue to carry out.

Description

A kind of support force test device for stepper motor

Technical field

The utility model is related to a kind of test device, more specifically, it relates to a kind of support force for stepper motor Test device.

Background technology

Headlight for vehicles usually requires the fixing axle of lifting to realize the rotation of headlight when turning to, prior art is to pass through stepping The addition of motor realizes the lifting of fixing axle, but in the lifting process of fixing axle, fixing axle has certain pressure, works as step When the driving force of stepper motor is less than the pressure of fixing axle, stepper motor is difficult to lift fixing axle, the steering-effecting failure of headlight.

It is fixed on the bottom plate 1 as shown in figure 5, a kind of support force test device for stepper motor, including bottom plate 1 It is connected with support base 3, the support base 3 and offers counterweight groove 21, being embedded with the support base 3 is used for and stepper motor 15 The counterweight seat 4 of abutting, the counterweight seat 4 slides along above and below the axle center of counterweight groove 21 to be connected in counterweight groove 21.Above-mentioned pressure measurement dress Putting needs operator's gripping stepper motor to be placed in bottom plate, and stepper motor is connected into the lower section of counterweight seat, after energization, step Stepper motor can be by counterweight seat jack-up, but during pressure measurement, operator is difficult to grip stepper motor and held stationary all the time, on State pressure measurement process and be difficult to lasting progress.

Utility model content

In view of the deficienciess of the prior art, the utility model is that providing a kind of support force for stepper motor tests Device, by the addition of pillar and fixed station, stepper motor is gripped without operator, the pressure measurement process of stepper motor can continue Carry out.

To achieve the above object, the utility model provides following technical scheme：A kind of support force for stepper motor It is fixedly connected with test device, including bottom plate, the bottom plate in support base, the support base and offers counterweight groove, the branch The counterweight seat for being abutted with stepper motor is embedded with support seat, the counterweight seat slides along above and below the axle center of counterweight groove to be connected to In counterweight groove, side of the bottom plate away from support base is fixedly connected with the fixed station for supporting stepper motor, the fixation Platform is fixedly connected with bottom plate by pillar.

By using above-mentioned technical proposal, stepper motor, which is directly placed on fixed station, can start stepper motor, step The expansion link of stepper motor rises, and drives counterweight seat to rise, the pressure measurement process to stepper motor is realized, in above-mentioned pressure measurement process In, only stepper motor need to be placed on i.e. measurable on fixed station, be held with a hand without operator, liberate the double of operator Hand so that the pressure measurement process of stepper motor can continue to carry out.

The utility model is further arranged to：The pillar is threaded on bottom plate, the company of sliding above and below the fixed station It is connected on pillar, the one end of the pillar away from support base is fixedly connected with for the limiting plate spacing to fixed station.

By using above-mentioned technical proposal, rotation post, the spacing between limiting plate and bottom plate constantly changes, and is connected to limit The spacing between fixed station and support base on the plate of position also constantly changes so that above-mentioned pressure tester can be applied to different lengths Stepper motor, add the use scope of pressure tester.

The utility model is further arranged to：Also include the spring for being used to control fixed station position, the spring one end is consolidated Surely it is connected on fixed station, the other end is fixedly connected on limiting plate.

By using above-mentioned technical proposal, stepper motor is placed on fixed station, fixed station under the action of the spring on Rise, by stepper motor be connected to counterweight seat lower end, reduce startup stepper motor when, stepper motor and counterweight seat between Gap, stepper motor can more be firmly secured at the lower end of counterweight seat, reduce the possibility that stepper motor is rocked.

The utility model is further arranged to：The spring is set on the outside of pillar, the radius and branch of the spring inwall The radius of post is identical.

By using above-mentioned technical proposal, constraint during telescopic spring is added so that spring is merely able to the axle along pillar It is lower in the heart to slide, the possibility of telescopic spring hour offset is reduced, fixed station can be lifted stably, reduce stepper motor and rock Possibility.

The utility model is further arranged to：The support base is offered for calibrating stepper motor close to the side of bottom plate The guide groove in direction, the guide groove is larger close to a side opening of bottom plate.

By using above-mentioned technical proposal, in the guide groove that stepper motor is connected to the downside of support base, under guide groove The opening of side is larger, and the expansion link of stepper motor constantly slides to upper end, realizes the guiding of stepper motor expansion link so that step The expansion link of stepper motor can be connected to the lower end of counterweight seat.

The utility model is further arranged to：The guide groove is taper, side radius of the guide groove away from bottom plate It is smaller.

By using above-mentioned technical proposal, the counterweight seat of taper enables the expansion link being connected on guide groove inwall to put down Quietly upward sliding, reduces the possibility that expansion link slides the mutation of speed per hour degree upwards.

The utility model is further arranged to：Stopper slot is offered in the support base, the counterweight groove and guide groove lead to Stopper slot connection is crossed, the radius of the stopper slot is less than the radius of counterweight groove.

By using above-mentioned technical proposal, expansion link can be connected in stopper slot, added and be connected to counterweight seat lower section Expansion link direction constraint so that expansion link can be into vertical state so that driving of stepper motor or so can be passed vertically Pass counterweight seat.

The utility model is further arranged to：The radius of the stopper slot and radius phase of the guide groove away from bottom plate side Together.

By using above-mentioned technical proposal, when expansion link slides into the upper end of guide groove, limit can be directly slipped into In the groove of position, the possibility that expansion link is connected on the inwall between stopper slot and guide groove is reduced so that pressure measurement process can be steady Fixed operation.

The utility model is further arranged to：Side of the fixed station away from support base is offered for placing stepping electricity The abutting groove of machine.

By using above-mentioned technical proposal, stepper motor is placed on after fixed station, abutting opening up for groove realizes stepping Motor position it is preliminary spacing so that stepper motor can be located at fixed station middle part.

The utility model is further arranged to：The abutting groove is round table-like, the described one end of abutting groove away from support base Radius is smaller.

By using above-mentioned technical proposal, different size of stepper motor can be connected in abutting groove, increase stepping The use scope of motor.

In summary, the utility model has the advantages that：Opening up for fixed station, is easy to the placement of stepper motor, Held with a hand without operator, liberated the both hands of operator so that the pressure measurement process of stepper motor can continue to carry out；Screw thread The pillar of connection causes pressure tester to can adapt to the stepper motor of different length, adds the use scope of pressure tester；Set The spring being located at outside pillar enables stepper motor to be connected on counterweight seat, adds the stability of stepper motor.

Brief description of the drawings

Fig. 1 is the stereogram of the present embodiment；

Fig. 2 is the assembling figure of the present embodiment and stepper motor；

Fig. 3 is the sectional view of the present embodiment and stepper motor；

Fig. 4 is fixed station stereogram in the present embodiment；

Fig. 5 is the stereogram of prior art.

Reference：1st, bottom plate；2nd, support column；3rd, support base；4th, counterweight seat；5th, counterweight；6th, sliding shoe；7th, caulking groove；8、 Fixture block；9th, neck；10th, fixed station；11st, pillar；12nd, limiting plate；13rd, spring；14th, groove is abutted；15th, stepper motor；16th, stretch Bar；17th, intercommunicating pore；18th, connectivity slot；19th, guide groove；20th, stopper slot；21st, counterweight groove.

Embodiment

The utility model is described further referring to figs. 1 to Fig. 4.

As shown in Figure 1, Figure 2 and Figure 3, a kind of support force test device for stepper motor, including support on the ground Support column 2, the top of support column 2 is fixedly connected with the bottom plate 1 of rectangle, and support column 2 is fixedly connected on four corners of bottom plate 1； The upper center of bottom plate 1 is fixedly connected with support base 3, and the lower end of support base 3 is cylindric, and upper end is round table-like, the upper end of support base 3 Radius is smaller；The top of support base 3 is provided with counterweight seat 4, and the lower end of counterweight seat 4 is fixedly connected with columned sliding shoe 6, propped up The upper end of support seat 3 offers counterweight groove 21, and sliding shoe 6 can be slided up and down in counterweight groove 21；Counterweight is provided with counterweight seat 4 5, counterweight 5 can be connected in the caulking groove 7 of the upside of counterweight seat 4, and the center of the upside of counterweight seat 4 is fixedly connected with fixture block 8, The lower end of counterweight 5 offers the neck 9 coordinated with fixture block 8.

As shown in Figure 2, Figure 3 and Figure 4, the lower section of bottom plate 1 is provided with discoid in fixed station 10, and the outer rim of fixed station 10 is worn There is the pillar 11 of about four slidings, the threaded upper ends of pillar 11 are connected on the lower surface of bottom plate 1, and the lower end of pillar 11 is also solid Surely it is circular limiting plate 12 to be connected with section, and spring 13, spring 13 are also fixedly connected between limiting plate 12 and fixed station 10 It is arranged and is connected to the outside of pillar 11；The center of fixed station 10 is further opened with round table-like abutting groove 14, abuts the upper of groove 14 Hold radius it is larger, lower end radii is smaller, and stepper motor 15 lower end can level be connected to abut groove 14 the conical surface on.

The center of bottom plate 1 offers intercommunicating pore 17, and the radius of intercommunicating pore 17 is more than the radius of stepper motor 15, support base 3 Lower end is offered is communicated with round table-like guide groove 19 with the big connectivity slot 18 such as coaxially of intercommunicating pore 17, the upper end of connectivity slot 18, The lower end radii of guide groove 19 is larger and is equal to the radius of connectivity slot 18, and upper end radius is smaller；The upper end of guide groove 19 is communicated with Columned stopper slot 20, the radius of stopper slot 20 is less than the radius of counterweight groove 21, and the radius and guide groove 19 of stopper slot 20 The radius of upside is identical, and the radius of stopper slot 20 is equal to the radius of expansion link 16.

Operation principle：When needing to carry out pressure measurement to stepper motor 15, fixed station 10 is pressed down on, stepper motor 15 is placed In the top of fixed station 10, rotaty step motor 15 causes expansion link 16 upward, the position of left and right adjusting stepper motor 15 so that The lower end of stepper motor 15 is abutted on groove 14, unclamps fixed station 10, and fixed station 10 slides upwards in the presence of spring 13, The upper end of expansion link 16 can be connected on the conical surface of guide groove 19, and fixed station 10 upwards pressure to be more than to stepper motor 15 and led To the inwall of groove 19 to the frictional force of expansion link 16, the constantly rising of expansion link 16 finally rises in stopper slot 20, is connected to limit On the inwall of position groove 20, the lower end of expansion link 16 can abut the lower end of counterweight seat 4, realize the fixed left of stepper motor 15 It is right.

Start stepper motor 15, expansion link 16 is constantly lifted up, the pressure of counterweight seat 4 and counterweight 5 is much larger than spring 13 Elastic force, stepper motor 15 constantly declines, and drives fixed station 10 constantly to decline, until fixed station 10 is slid into bottom；Work as step Expansion link 16 is difficult to support counterweight seat 4 and counterweight 5 when the support force of stepper motor 15 is not enough, when the support of stepper motor 15 When power satisfaction is required, expansion link 16 can raise up counterweight seat 4 and counterweight 5.

Support situation of the stepper motor 15 to different pressures can be tested by continuing addition counterweight 5 in the upper end of counterweight 5, be rotated Pillar 11, you can the upper-lower position of regulation fixed station 10 so that equipment can be applied to the expansion link 16 of different length.

Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.

Claims (10)

1. it is fixedly connected with branch on a kind of support force test device for stepper motor, including bottom plate (1), the bottom plate (1) Supportting to offer to be embedded with counterweight groove (21), the support base (3) in seat (3), the support base (3) is used for and stepper motor (15) sliding is connected to counterweight groove (21) above and below the counterweight seat (4) abutted, axle center of the counterweight seat (4) along counterweight groove (21) It is interior, it is characterised in that：Side of the bottom plate (1) away from support base (3) is fixedly connected with for supporting stepper motor (15) Fixed station (10), the fixed station (10) is fixedly connected with bottom plate (1) by pillar (11).

2. a kind of support force test device for stepper motor according to claim 1, it is characterised in that：The pillar (11) it is threaded on bottom plate (1), the fixed station (10) slides be connected on pillar (11) up and down, the pillar (11) is remote One end from support base (3) is fixedly connected with for the limiting plate (12) spacing to fixed station (10).

3. a kind of support force test device for stepper motor according to claim 2, it is characterised in that：Also include using Spring (13) in control fixed station (10) position, described spring (13) one end is fixedly connected on fixed station (10), the other end It is fixedly connected on limiting plate (12).

4. a kind of support force test device for stepper motor according to claim 3, it is characterised in that：The spring (13) it is set on the outside of pillar (11), the radius of spring (13) inwall is identical with the radius of pillar (11).

5. a kind of support force test device for stepper motor according to claim 1, it is characterised in that：The support Seat (3) offers the guide groove (19) for calibrating stepper motor (15) direction, the guide groove close to the side of bottom plate (1) (19) side opening close to bottom plate (1) is larger.

6. a kind of support force test device for stepper motor according to claim 5, it is characterised in that：It is described to be oriented to Groove (19) is taper, and side radius of the guide groove (19) away from bottom plate (1) is smaller.

7. a kind of support force test device for stepper motor according to claim 6, it is characterised in that：The support Stopper slot (20) is offered in seat (3), the counterweight groove (21) is connected with guide groove (19) by stopper slot (20), described spacing The radius of groove (20) is less than the radius of counterweight groove (21).

8. a kind of support force test device for stepper motor according to claim 7, it is characterised in that：It is described spacing The radius of groove (20) is identical with radius of the guide groove (19) away from bottom plate (1) side.

9. a kind of support force test device for stepper motor according to claim 1, it is characterised in that：The fixation Side of the platform (10) away from support base (3) offers the abutting groove (14) for placing stepper motor (15).

10. a kind of support force test device for stepper motor according to claim 9, it is characterised in that：It is described to support Access slot (14) is round table-like, and one end radius for abutting the remote support base (3) of groove (14) is smaller.