CN203522431U - Brake motor - Google Patents
Brake motor Download PDFInfo
- Publication number
- CN203522431U CN203522431U CN201320588925.3U CN201320588925U CN203522431U CN 203522431 U CN203522431 U CN 203522431U CN 201320588925 U CN201320588925 U CN 201320588925U CN 203522431 U CN203522431 U CN 203522431U
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- China
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- swivel nut
- screwed pipe
- locating part
- brake motor
- roller bearing
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Abstract
The utility model relates to the technical field of machinery fittings, and especially relates to a brake motor. The brake motor comprises a housing, a motor, a first connecting end, a sleeve, at least one section of spiral tube, a screw, a first thread sleeve gasket, a second thread sleeve gasket, a first limiting piece, a second limiting piece, a thrust roller bearing mechanism and a second connecting end, wherein the first thread sleeve gasket and the second thread sleeve gasket are respectively arranged on front end surfaces of a first thread sleeve and a second thread sleeve. The brake motor is additional provided with the thrust roller bearing mechanism, the compact of the spiral tubes to spiral tub nuts are reduced when a screw assembly extends to the topmost end, and the thrust roller bearing mechanism has a buffer function. In the retraction instant of the screw assembly after the screw assembly extends to the topmost end, the frictional force of the thrust roller bearing mechanism is small, so that the instant torsion force is reduced, the retraction of the screw assembly is facilitated, and the screw assembly is prevented against retraction instant locking after the screw assembly extends to the topmost end.
Description
Technical field
The utility model relates to mechanical fitting technical field, relates in particular to a kind of brake motor.
Background technology
Brake motor is for controlling motor inertia, make it meet the requirements of accurate location, realizes mechanical automatic operation.Be applicable to play clutch, adjusting microinching, speed change, commutation etc. in all kinds of mechanical rotation systems.
Existing brake motor, when screw arbor assembly is elongated to top, wherein screwed pipe is large to the impact of its sleeve nut, than the damage that is easier to cause described position; In addition, when screw arbor assembly is elongated to and retracts after top, frictional force is large, and the torsion that moment produces is large, is unfavorable for the retraction of screw arbor assembly, and screw arbor assembly is elongated to top moment of retracting stuck phenomenon may occur.
Summary of the invention
The utility model provides a kind of brake motor for overcoming above-mentioned defect, the screw arbor assembly of described brake motor can reduce the wherein shock of screwed pipe to its sleeve nut when being elongated to top, moment when screw arbor assembly is elongated to top retraction, frictional force is little, can reduce the moment torsion of retracting, thereby be conducive to screw arbor assembly, retract, and can prevent that screw arbor assembly moment when being elongated to top and retracting is stuck.
For achieving the above object, the utility model adopts following technical scheme.
A brake motor, comprising:
One housing, is provided with train of reduction gears in it;
One motor, is located at described housing trailing flank, and its driving gearshaft stretches into described housing, and drives described train of reduction gears;
One first connecting end, is located at housing leading flank, has one first pivoted hole on it, and described the first connecting end is provided with an axle bed with respect to the medial surface of described housing;
One sleeve pipe; axially corresponding to described the first connecting end; described sleeve pipe is located at described housing trailing flank; sleeve pipe front end stretches in described housing; and be axially nested with to be positioned at and on described axle bed, be rotatable state; and sleeve pipe front end outer peripheral edges are fixed a gear, described gear is engaged in described train of reduction gears and is driven by train of reduction gears;
At least one joint screwed pipe, described screwed pipe is ducted body, and the book office of screwed pipe outer peripheral edges is provided with one first swivel nut and forms the first thread screwing togather, and described the first swivel nut is embedded in described sleeve pipe tail end, and the inner side of described screwed pipe tail end is provided with one second swivel nut;
One screw rod, its outer peripheral edges form second thread that can screw togather with described the second swivel nut, and the front end face of described screw rod is described the second swivel nut that stretches through;
One first and second swivel nut packing ring is located at respectively described first and second swivel nut front end face;
One first locating part, is positioned at described screwed pipe medial extremity, and described the first locating part has that an external diameter is greater than described the first swivel nut but the flange surface that is less than described screwed pipe internal diameter, and embeds one first ring set, and the ring convex surface of described the first ring set is with respect to described sleeve pipe inner edge surface;
One second locating part, is positioned at described screw rod outboard end, and described the second locating part has that an external diameter is greater than described the second swivel nut but the flange surface that is less than described screwed pipe internal diameter, and embeds one second ring set, and the ring convex surface of described the second ring set is with respect to described screwed pipe inner edge surface;
One thrust roller bearing mechanism, described thrust roller bearing mechanism comprises the second thrust roller bearing being sheathed on outside described the second locating part and is sheathed on the first thrust roller bearing outside described the first locating part, described elongate screw is during to top, and the upper surface of described the second thrust roller bearing and the top of described screwed pipe offset; When described screwed pipe is elongated to top, the upper surface of described the first thrust roller bearing and the top of described sleeve pipe offset;
And one second connecting end, be formed at the tail end of described screw rod, and described the second connecting end is provided with one second pivoted hole;
During use, described first and second swivel nut drives described screwed pipe and bolt rotary and telescopic displacement, and the ring convex surface of simultaneously described first and second ring set makes described first and second locating part carry out linear displacement.
Wherein, described the first thrust roller bearing and the second thrust roller bearing comprise respectively two bearing shims and are located in two rollers between bearing shim.
Wherein, between the end face of the flange of described the first locating part and described the first swivel nut packing ring, described the first locating part is also provided with at least one the first rolling pad.
Wherein, between the end face of the flange of described the second locating part and described the second swivel nut packing ring, described the second locating part is also provided with at least one the second rolling pad.
Wherein, described axle bed is convex, between the end face and internal diameter of described axle bed and described sleeve pipe, has respectively a thrust bearing and one first ball bearing.
Wherein, between described sleeve pipe and described inner walls face, be provided with one second ball bearing.
Wherein, described gear train fixes on the outer peripheral edges of described sleeve pipe with more than one screwed lock.
Wherein, described the first locating part has the cock body that embeds described screwed pipe medial extremity, and one first alignment pin is radially extended through the junction of described screwed pipe and described cock body, and described the first alignment pin is positioned at the front end predetermined gap place of described the first swivel nut packing ring.
Wherein, described the second locating part has a holder and screws togather described screw rod outboard end, and one second alignment pin is radially extended through the junction of described screw rod and described holder, and is located at the front end predetermined gap place of described the second swivel nut packing ring.
Wherein, the outer peripheral face of described housing also comprises and is provided with an inductor.
The beneficial effects of the utility model are: a kind of brake motor of the present utility model, increase Liao Yi thrust roller bearing mechanism, screw arbor assembly can reduce the wherein shock of screwed pipe to its sleeve nut when being elongated to top, and cushioning effect plays in thrust roller bearing mechanism.Moment when screw arbor assembly is elongated to top and retracts, thrust roller bearing mechanism frictional force is little, can reduce the moment torsion of retracting, and retracts, and can prevent that screw arbor assembly is to be elongated to top moment of retracting stuck thereby be conducive to screw arbor assembly.
Accompanying drawing explanation
With accompanying drawing, the utility model is described in further detail, but embodiment in accompanying drawing does not form any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of brake motor of the present utility model.
Fig. 2 is the local structure for amplifying schematic diagram of a kind of brake motor of the present utility model.
Fig. 3 is the stretching, extension schematic perspective view of a kind of brake motor of the present utility model.
Fig. 4 is the end view shown in Fig. 3.
Fig. 5 is the 5-5 cross-section cutaway view shown in Fig. 4.
Fig. 5 A is enlarged diagram shown in 5A in Fig. 5.
Fig. 5 B is enlarged diagram shown in 5B in Fig. 5.
Fig. 5 C is enlarged diagram shown in 5C in Fig. 5.
Fig. 6 is the use state diagram of L stroke in Fig. 5.
Fig. 6 A is enlarged diagram shown in 6A in Fig. 6.
Fig. 7 is the use state diagram of 2L stroke in Fig. 5.
Fig. 7 A is enlarged diagram shown in 7A in Fig. 7.
Fig. 8 is that screwed pipe of the present utility model shrinks stereoscopic schematic diagram.
Fig. 9 is the end view shown in Fig. 8
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described, this is preferred embodiment of the present utility model.
Embodiment.
As shown in Figures 3 to 5, the preferred embodiment of a kind of brake motor 100 of the present embodiment is to include:
One housing 10, is provided with train of reduction gears 30 in it; One motor 20, is located at described housing 10 trailing flanks, and its driving gearshaft 21 stretches into described housing 10, and drives described train of reduction gears 30; And described train of reduction gears 30 is consisted of and same axle center 33 one first reduction gearing 31 and one second reduction gearing 32; Wherein said the first reduction gearing 31 drives because described driving gearshaft 21 rotates and makes described the second reduction gearing 32 rotate and be engaged in a gear 41; Described gear 41 is because of train of reduction gears 30 engagements and then rotate and drive a sleeve pipe 40.
As shown in Figure 5 a, one first connecting end 11, is located at described housing 10 leading flanks, has one first pivoted hole 12 on it, described the first connecting end is provided with an axle bed 13 with respect to the medial surface of described housing 10, and described housing 10 is formed in one and can makes mechanical strength promote with described axle bed 13; Described sleeve pipe 40, be ducted body and axially corresponding to described the first connecting end 11, be located at described housing 10 trailing flanks, its front end stretches in described housing 10, and be axially nested with to be positioned on described axle bed 13 and be rotatable state, and front end outer peripheral edges are fixed a gear 41, described gear 41 is engaged in described train of reduction gears 30, and is driven by it, and described gear 41 is locked in the outer peripheral edges of described sleeve pipe 40 with more than one screw 43.In the present embodiment, between the end face and internal diameter of described axle bed 13 and described sleeve pipe 40, there is respectively a thrust bearing 14 and one first ball bearing 15, because 13 palpuses of axle bed bear joint screwed pipe 50 rotations and rectilinear motion and the straight-line impact of a screw rod 60, and between described sleeve pipe 40 and described housing 10 internal faces, more comprise and be provided with one second ball bearing 16, hold, in the present embodiment, axle bed 13 is provided with described the first ball bearing 15, can utilize described the first ball bearing 15 to come impact-absorbing dispersive stress, by thrust bearing described in rear 14, absorb axial thrust again, and described sleeve pipe 40 is affected by above-mentioned stress, and be provided with described the second ball bearing 16, can avoid producing very large vibration because approaching critical speed, when therefore above design bearing is worked for fear of brake motor 100, because making axle bed 13, excessive stress and vibration damage.
As shown in Figure 5 b, comprise at least one joint screwed pipe 50, described screwed pipe 50 is ducted body, the book office of its outer peripheral edges is provided with one first swivel nut 53 and forms the first thread 51 screwing togather, described the first thread 51 is embedded in described sleeve pipe 40 tail ends, in the inner side of described screwed pipe 50 tail ends, be provided with one second swivel nut 54 again, wherein said the first swivel nut 53, the front end face of the second swivel nut 54 is respectively equipped with one first swivel nut packing ring 55, the second swivel nut packing ring 56, and one first locating part 52, be positioned at described screwed pipe 50 medial extremitys, described the first locating part 52 has that an external diameter is greater than described the first swivel nut 53 but the flange surface 521 that is less than described screwed pipe 50 internal diameters, and embed one first ring set 57, the ring convex surface 571 of described the first ring set is with respect to described sleeve pipe inner edge surface 42, in the present embodiment, described the first locating part 52 has the cock body 522 that embeds described screwed pipe medial extremity, and one first alignment pin 523 be radially extended through the junction of described screwed pipe 50 and described cock body 522, and be located at the front end predetermined gap place of described the first swivel nut packing ring 55, therefore above-mentioned the first alignment pin 523 is used for fixing the cooperation between described sleeve pipe 40 and described screwed pipe 50, prevent from coming off and thering is spacing effect.
As shown in Figure 5 c, one screw rod 60, its outer peripheral edges form second thread 61 that can screw togather with described the second swivel nut 54, and the front end face of described screw rod 60 described the second swivel nut 54 that stretches through, and one second locating part 62, being positioned at described screw rod 60 outboard ends, described the second locating part 62 has that an external diameter is greater than described the second swivel nut 54 but the flange surface 621 that is less than described screwed pipe internal diameter, and embedding one second ring set 63, the ring convex surface 631 of described the second ring set is with respect to described screwed pipe inner edge surface 58, and described the second connecting end 70, be formed at the tail end of described screw rod 60, and which is provided with described the second pivoted hole 71, the outboard end of described screw rod 60, in the present embodiment, described the second locating part 62 has a holder 622 and screws togather described screw rod 60 outboard ends, and one second alignment pin 623 be radially extended through the junction of described screw rod 60 and described holder 622, and be positioned at the front end predetermined gap place of described the second swivel nut packing ring 56, therefore the second above-mentioned alignment pin 623 is used for fixing the cooperation between described screwed pipe 50 and described screw rod 60, prevent from coming off and thering is spacing effect.
As Fig. 6, shown in Fig. 6 a, in the present embodiment, described screwed pipe 50 and described the first swivel nut 53 are with screw-in version start, and described the first swivel nut 53 is embedded in described sleeve pipe 40, when the rotation of described sleeve pipe 40 and derive described screwed pipe 50, described screwed pipe 50 is linear displacement in stroke L, between the flange 521 of wherein said the first locating part and the end face of described the first swivel nut packing ring 55, be provided with at least one the first rolling pad 59, in the present embodiment, described the first rolling pad 59 is provided with two, when the variable quantity stroke of described screwed pipe 50 is maximum, after the end face laminating of two described the first rolling pads 59, reverse again, the effect with buffering, reduce and collide and friction, therefore above-mentioned reversion and then reduce the flange 521 of described the first locating part and damage that the relative action of described the first swivel nut packing ring 55 causes.
As Fig. 7, shown in Fig. 7 a, in the present embodiment, described screw rod 60 and the mode start of described the second swivel nut 54 to screw togather, and described the second swivel nut 54 is embedded in described screwed pipe 50, when the rotation of described screwed pipe 50 and derive described screw rod 60, described screwed pipe 50 is linear displacement in stroke 2l, between the flange 621 of wherein said the second locating part and the end face of described the second swivel nut packing ring 56, be provided with at least one the second rolling pad 64, in the present embodiment, described the second rolling pad 59 is provided with two, when the variable quantity stroke of described screw rod 60 is maximum, after the end face laminating of two described the second rolling pads 59, reverse again, the effect with buffering, reduce and collide and friction, therefore above-mentioned reversion and then reduce the flange 621 of described the second locating part and damage that the relative action of described the second swivel nut packing ring 56 causes.
When the first connecting end 11, the second connecting end 70 are articulated in sports equipment respectively, described motor 20 drives described train of reduction gears 30, and then drive described gear 41, then make described sleeve pipe 40 rotate, and drive described screwed pipe 50 to rotate and telescopic displacement with the first swivel nut 53, and recycle the rotation of the second swivel nut 54 in it, make described screw rod 60 can in described screwed pipe 50, be linear extendible, make described sleeve pipe 40, described screwed pipe 50 and described screw rod 60 present multi-section type, make transmission travel range become large.
In sum, allow transmission stroke present so that multi-section type is flexible, when thread stroke is derived completely, total thread stroke be 2L than total thread stroke of known techniques many distance of L, user only need determine the angle at the elevation angle, and the required thread stroke of angle that allows described screwed pipe 50 and described screw rod 60 derive the elevation angle, can present by multi-section type the variable quantity of thread stroke, for example: the thread stroke of described screwed pipe 50 is derived completely, 60 of described screw rods need to derive part.
As shown in Figure 3, Figure 4, the utility model can be installed an inductor 17 on described housing 10, the rotating number of turns in order to the gear 41 in sensing housing 10, can learn the rotation number of turns of described sleeve pipe 40, and then calculate the transmission stroke variable quantity of described screwed pipe 50 and screw rod 60, and measure by this drive state that described brake motor 100 is controlled in signal adjustment.As for, the sensing mode of described inductor 17, can be to utilize magnetic element sensing.
As shown in Figure 8, Figure 9, each node contraction of the present utility model, the derivation of its thread stroke is stretched with multi-section type, long brake motor 100 volumes that make of thread of not deriving because of the stroke of transmission are excessive, in the present embodiment, described screw rod 60 straight-line displacements are contracted to screwed pipe 50, and 50 rotations of described screwed pipe and straight-line displacement are to sleeve pipe 40, thread can be contracted in screwed pipe, therefore can reduce the damage of thread.
A kind of brake motor of the present embodiment, has and promotes the durability of axle bed and multi-section type and shrink and do not take up space and can reach transmission travel range and become large effect.
As shown in Figure 1 to Figure 2, a kind of brake motor of the present embodiment also comprises a thrust roller bearing mechanism, described thrust roller bearing mechanism comprises and is sheathed on the second thrust roller bearing 2 outside described the second locating part and is sheathed on the first thrust roller bearing 1 outside described the first locating part, described elongate screw is during to top, and described second upper surface of thrust roller bearing 2 and the top of described screwed pipe offset; When described screwed pipe is elongated to top, described first upper surface of thrust roller bearing 1 and the top of described sleeve pipe offset; Described the first thrust roller bearing 1 comprises two clutch shaft bearing pads 11 and is located in the first roller 12 between two clutch shaft bearing pads 11, and described the second thrust roller bearing 2 comprises two the second bearing shims 21 and is located in the second roller 22 between two the second bearing shims 21.
A kind of brake motor of the present utility model, increases Liao Yi thrust roller bearing mechanism, and screw arbor assembly can reduce the wherein shock of screwed pipe to its sleeve nut when being elongated to top, and cushioning effect plays in thrust roller bearing mechanism.Moment when screw arbor assembly is elongated to top and retracts, thrust roller bearing mechanism frictional force is little, can reduce the moment torsion of retracting, and retracts, and can prevent that screw arbor assembly is to be elongated to top moment of retracting stuck thereby be conducive to screw arbor assembly.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. a brake motor, is characterized in that: comprising:
One housing, is provided with train of reduction gears in it;
One motor, is located at described housing trailing flank, and its driving gearshaft stretches into described housing, and drives described train of reduction gears;
One first connecting end, is located at housing leading flank, has one first pivoted hole on it, and described the first connecting end is provided with an axle bed with respect to the medial surface of described housing;
One sleeve pipe; axially corresponding to described the first connecting end; described sleeve pipe is located at described housing trailing flank; sleeve pipe front end stretches in described housing; and be axially nested with to be positioned at and on described axle bed, be rotatable state; and sleeve pipe front end outer peripheral edges are fixed a gear, described gear is engaged in described train of reduction gears and is driven by train of reduction gears;
At least one joint screwed pipe, described screwed pipe is ducted body, and the book office of screwed pipe outer peripheral edges is provided with one first swivel nut and forms the first thread screwing togather, and described the first swivel nut is embedded in described sleeve pipe tail end, and the inner side of described screwed pipe tail end is provided with one second swivel nut;
One screw rod, its outer peripheral edges form second thread that can screw togather with described the second swivel nut, and the front end face of described screw rod is described the second swivel nut that stretches through;
One first and second swivel nut packing ring is located at respectively described first and second swivel nut front end face;
One first locating part, is positioned at described screwed pipe medial extremity, and described the first locating part has that an external diameter is greater than described the first swivel nut but the flange surface that is less than described screwed pipe internal diameter, and embeds one first ring set, and the ring convex surface of described the first ring set is with respect to described sleeve pipe inner edge surface;
One second locating part, is positioned at described screw rod outboard end, and described the second locating part has that an external diameter is greater than described the second swivel nut but the flange surface that is less than described screwed pipe internal diameter, and embeds one second ring set, and the ring convex surface of described the second ring set is with respect to described screwed pipe inner edge surface;
One thrust roller bearing mechanism, described thrust roller bearing mechanism comprises the second thrust roller bearing being sheathed on outside described the second locating part and is sheathed on the first thrust roller bearing outside described the first locating part, described elongate screw is during to top, and the upper surface of described the second thrust roller bearing and the top of described screwed pipe offset; When described screwed pipe is elongated to top, the upper surface of described the first thrust roller bearing and the top of described sleeve pipe offset;
And one second connecting end, be formed at the tail end of described screw rod, and described the second connecting end is provided with one second pivoted hole;
During use, described first and second swivel nut drives described screwed pipe and bolt rotary and telescopic displacement, and the ring convex surface of simultaneously described first and second ring set makes described first and second locating part carry out linear displacement.
2. a kind of brake motor according to claim 1, is characterized in that: described the first thrust roller bearing and the second thrust roller bearing comprise respectively two bearing shims and be located in two rollers between bearing shim.
3. a kind of brake motor according to claim 1, is characterized in that: between the end face of the flange of described the first locating part and described the first swivel nut packing ring, described the first locating part is also provided with at least one the first rolling pad.
4. a kind of brake motor according to claim 1, is characterized in that: between the end face of the flange of described the second locating part and described the second swivel nut packing ring, described the second locating part is also provided with at least one the second rolling pad.
5. a kind of brake motor according to claim 1, is characterized in that: described axle bed is convex, between the end face and internal diameter of described axle bed and described sleeve pipe, has respectively a thrust bearing and one first ball bearing.
6. a kind of brake motor according to claim 5, is characterized in that: between described sleeve pipe and described inner walls face, be provided with one second ball bearing.
7. a kind of brake motor according to claim 1, is characterized in that: described gear train fixes on the outer peripheral edges of described sleeve pipe with more than one screwed lock.
8. a kind of brake motor according to claim 1, it is characterized in that: described the first locating part has the cock body that embeds described screwed pipe medial extremity, and one first alignment pin be radially extended through the junction of described screwed pipe and described cock body, and described the first alignment pin is positioned at the front end predetermined gap place of described the first swivel nut packing ring.
9. a kind of brake motor according to claim 1, it is characterized in that: described the second locating part has a holder and screws togather described screw rod outboard end, and one second alignment pin be radially extended through the junction of described screw rod and described holder, and be located at the front end predetermined gap place of described the second swivel nut packing ring.
10. a kind of brake motor according to claim 1, is characterized in that: the outer peripheral face of described housing also comprises and is provided with an inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588925.3U CN203522431U (en) | 2013-09-23 | 2013-09-23 | Brake motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320588925.3U CN203522431U (en) | 2013-09-23 | 2013-09-23 | Brake motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203522431U true CN203522431U (en) | 2014-04-02 |
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ID=50381305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320588925.3U Expired - Fee Related CN203522431U (en) | 2013-09-23 | 2013-09-23 | Brake motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203522431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606089A (en) * | 2017-08-21 | 2018-01-19 | 北京精密机电控制设备研究所 | A kind of nested type ball screw assembly, |
-
2013
- 2013-09-23 CN CN201320588925.3U patent/CN203522431U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107606089A (en) * | 2017-08-21 | 2018-01-19 | 北京精密机电控制设备研究所 | A kind of nested type ball screw assembly, |
| CN107606089B (en) * | 2017-08-21 | 2019-07-12 | 北京精密机电控制设备研究所 | A kind of nested type ball screw assembly, |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20170923 |
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| CF01 | Termination of patent right due to non-payment of annual fee |