CN104864003A - Rotary table end face contact-type brake structure - Google Patents
Rotary table end face contact-type brake structure Download PDFInfo
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- CN104864003A CN104864003A CN201510273133.0A CN201510273133A CN104864003A CN 104864003 A CN104864003 A CN 104864003A CN 201510273133 A CN201510273133 A CN 201510273133A CN 104864003 A CN104864003 A CN 104864003A
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Abstract
The invention discloses a rotary table end face contact-type brake structure. A brake piece is arranged in a gap between an oil cylinder and a piston, the rotary table end face contact-type brake structure is characterized in that cooling holes are formed in the friction contact face of the brake piece, convection exhaust holes are formed in the non-friction contact face, one side of the friction contact face of the brake piece makes contact with the oil cylinder, the other side of the friction contact face of the brake piece makes contact with the piston, and spiral slots are formed in the end face, making contact with the oil cylinder and the piston, of the brake piece. Accordingly, when the brake piece rotates at a high speed, the air pressure of the left end and the right end of the brake piece reaches a balanced state, and therefore the situation that the brake piece is dead pressed on the right end face of the fixed oil cylinder of a part; the action of the air current can be used for improving the heat-dissipation cooling effect during braking, so that the service life of the brake structure is prolonged, and the reliability of the brake structure is improved; in addition, the friction resistance of the friction contact face can be increased during braking, and therefore the brake torque and the brake effect are improved.
Description
Technical field
The present invention relates to turntable structure field, particularly relate to a kind of turntable end surface contact type brake structure.
Background technique
Traditional brake structure is encircling type turntable brake structure, is commonly called as ring and stops, and the static friction torque produced between the toroidal surface by contact reaches effectively locking object.Compared with disc brake, braking torque is large, and be suitable for use on slow-speed of revolution speed high pulling torque numerical control rotating platform, manufacture difficulty of processing large, assembling difficulty is high, and manufacture cost is high.
Existing turntable end surface contact type brake structure, be not with convection current exhaust port, under non-brake operating mode, brake block is easily killed on the base do not turned by the gas sucked during High Rotation Speed, accelerate brake block wear out failure, brake block is not with Cooling Holes, and the easy overheated locking of brake block, the part contacted with brake block does not have spiral chute, drag friction moment is little, and not easy heat radiation, braking effect is poor, easily causes the overheated locking of brake block.
Summary of the invention
It is simple that the technical problem that the present invention mainly solves is to provide a kind of structure, manufactures difficulty of processing little, easily assemble, effectively can reduce the turntable end surface contact type brake structure of manufacture cost.
For solving the problems of the technologies described above, the technological scheme that the present invention adopts is: provide a kind of turntable end surface contact type brake structure, comprise: turntable table top, running shaft and brake block, turntable table top is connected with described running shaft, brake block is connected with running shaft, described brake block is located in the gap between oil cylinder and piston, the frictional contact surface of described brake block offers Cooling Holes, non-model control surface of contact offers convection current exhaust port, the frictional contact surface side of brake block contacts with oil cylinder, opposite side and piston contact, the oil cylinder contacted with brake block and piston end surface all offer spiral chute.
In a preferred embodiment of the present invention, frictional contact surface is located at the outer ring of brake block, outer ring offers at least 24 Cooling Holes.
In a preferred embodiment of the present invention, 24 Cooling Holes are arranged into 2 circles, and each Cooling Holes pore size is identical and interwoven.
In a preferred embodiment of the present invention, non-model control surface of contact is located at the inner ring of brake block, this inner ring offers at least 12 convection current exhaust ports.
In a preferred embodiment of the present invention, oil cylinder inner ring is provided with at least 24 equally distributed spiral chutes, and piston outer ring is provided with at least 24 equally distributed spiral chutes.
In a preferred embodiment of the present invention, between the frictional contact surface of brake block and oil cylinder, leave the gap of 0.1-0.2mm, between the frictional contact surface of brake block and piston, leave the gap of 0.1-0.2mm.
In a preferred embodiment of the present invention, described piston is connected with hydraulic fitting, hydraulic oil flows in piston cavity from hydraulic fitting towards oil cylinder direction.
The invention has the beneficial effects as follows: about when turntable end surface contact type brake structure of the present invention can make brake block High Rotation Speed, two ends air pressure reaches state of equilibrium, thus effectively avoids brake block to kill on the right side of fixed part oil cylinder; Distinguished and admirable effect can be utilized during brake to improve cooling effect, thus improve the working life of brake structure, improve the reliability of brake structure; Frictional contact surface surface friction drag can also be increased when braking, thus improve braking torque and braking effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of turntable end surface contact type brake structure one of the present invention preferred embodiment;
Fig. 2 is the structural representation of the middle brake block of the end surface contact type of turntable shown in Fig. 1 brake structure;
Fig. 3 is the stereogram of the brake block shown in Fig. 2;
Fig. 4 is the structural representation of the middle oil cylinder of the end surface contact type of turntable shown in Fig. 1 brake structure;
Fig. 5 is the stereogram of the oil cylinder shown in Fig. 2;
Fig. 6 is the structural representation of the middle piston of the end surface contact type of turntable shown in Fig. 1 brake structure;
Fig. 7 is the stereogram of the piston shown in Fig. 6;
In accompanying drawing, the mark of each parts is as follows: 1, turntable table top, and 2, running shaft, 3, brake block, 4, transition axis, 5, Cooling Holes, 6, convection current exhaust port, 7, oil cylinder, 8, piston, 9, spiral chute, 10, hydraulic fitting.
Embodiment
Be clearly and completely described to the technological scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the embodiment of the present invention comprises:
A kind of turntable end surface contact type brake structure, comprise: turntable table top 1, running shaft 2 and brake block 3, turntable table top 1 connects into rigid unitary by screw and locating stud and transition axis 4, running shaft 2 and transition axis 4 connect into rigid unitary by screw and locating stud, thus turntable table top 1 and described running shaft 2 are rigidly connected, brake block 3 connects into rigid unitary by screw and locating stud and running shaft 2, thus turntable table top 1 and brake block 3 are rigidly connected.
In order to when ensureing that turntable shaft participates in linking, brake block 3 can rotate freely, described brake block 3 is located in the gap between oil cylinder 7 and piston 8.
Leave the gap of 0.1-0.2mm between the frictional contact surface of brake block 3 and oil cylinder 7, between the frictional contact surface of brake block 3 and piston 8, leave the gap of 0.1-0.2mm.
In embodiments of the invention, preferred gap is 0.2mm.
The frictional contact surface of described brake block 3 offers Cooling Holes 5, and wherein, frictional contact surface is located at the outer ring of brake block 3, outer ring offers at least 24 Cooling Holes 5.24 Cooling Holes 5 are arranged into 2 circles, and each Cooling Holes 5 pore size is identical and interwoven.As shown in Figures 2 and 3.
The effect of Cooling Holes 5 to utilize distinguished and admirable effect to improve cooling effect, thus improve the working life of brake structure, improves the reliability of brake structure; Increase frictional contact surface surface friction drag during brake, thus improve braking torque and braking effect.
In order under the operating mode of axle participation interlock (namely under non-brake operating mode), at the gas in order to avoid sucking during High Rotation Speed, brake block 3 is killed on the end face of fixed oil cylinder 7.Non-model control surface of contact offers convection current exhaust port 6.
Non-model control surface of contact is located at the inner ring of brake block 3, this inner ring offers at least 12 convection current exhaust ports 6.As shown in Figures 2 and 3.
The effect of convection current exhaust port 6 be when making brake block 3 High Rotation Speed about both ends of the surface air pressure reach state of equilibrium, thus effectively avoid brake block 3 to kill on the end face of fixed oil cylinder 7.
The frictional contact surface side of brake block 3 contacts with oil cylinder 7, and opposite side contacts with piston 8, and the oil cylinder 7 contacted with brake block 3 and piston 8 end face all offer spiral chute 9.
As shown in Figure 4 and Figure 5, oil cylinder 7 inner ring is provided with at least 24 equally distributed spiral chutes 9, and piston 8 outer ring is provided with at least 24 equally distributed spiral chutes 9.
The effect of spiral chute 9 to utilize distinguished and admirable effect to improve cooling effect, thus improve the working life of brake structure, improves the reliability of brake structure; Increase frictional contact surface surface friction drag during brake, thus improve braking torque and braking effect.
As shown in Figure 6 and Figure 7, described piston 8 is connected with hydraulic fitting 10, hydraulic oil flows in piston 8 cavity from hydraulic fitting 10 towards oil cylinder 7 direction.
When hydraulic oil is squeezed in the cavity of piston 8 by hydraulic fitting 10 by turntable hydraulic system when not needing C axle to participate in the operating mode work of interlock, piston 8 is subject to producing bending deflection left to the pressure in oil cylinder 7 direction and compressing brake block 3, make brake block 3 also to oil cylinder 7 direction produce bending deflection and be fixed motionless oil cylinder 7 end face thus produce static friction torque reach effectively locking object.
About when turntable end surface contact type brake structure of the present invention can make brake block 3 High Rotation Speed, two ends air pressure reaches state of equilibrium, thus effectively avoids brake block 3 to kill on the right side of fixed part oil cylinder 7; Distinguished and admirable effect can be utilized during brake to improve cooling effect, thus improve the working life of brake structure, improve the reliability of brake structure; Frictional contact surface surface friction drag can also be increased when braking, thus improve braking torque and braking effect.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (7)
1. a turntable end surface contact type brake structure, comprise: turntable table top, running shaft and brake block, turntable table top is connected with described running shaft, brake block is connected with running shaft, described brake block is located in the gap between oil cylinder and piston, it is characterized in that, the frictional contact surface of described brake block offers Cooling Holes, non-model control surface of contact offers convection current exhaust port, the frictional contact surface side of brake block contacts with oil cylinder, opposite side and piston contact, the oil cylinder contacted with brake block and piston end surface all offer spiral chute.
2. turntable end surface contact type brake structure according to claim 1, it is characterized in that, frictional contact surface is located at the outer ring of brake block, outer ring offers at least 24 Cooling Holes.
3. turntable end surface contact type brake structure according to claim 2, is characterized in that, 24 Cooling Holes are arranged into 2 circles, and each Cooling Holes pore size is identical and interwoven.
4. turntable end surface contact type brake structure according to claim 1, it is characterized in that, non-model control surface of contact is located at the inner ring of brake block, this inner ring offers at least 12 convection current exhaust ports.
5. turntable end surface contact type brake structure according to claim 1, is characterized in that, oil cylinder inner ring is provided with at least 24 equally distributed spiral chutes, and piston outer ring is provided with at least 24 equally distributed spiral chutes.
6. turntable end surface contact type brake structure according to claim 1, is characterized in that, leave the gap of 0.1-0.2mm between the frictional contact surface of brake block and oil cylinder, leave the gap of 0.1-0.2mm between the frictional contact surface of brake block and piston.
7. turntable end surface contact type brake structure according to claim 1, is characterized in that, described piston is connected with hydraulic fitting, and hydraulic oil flows in piston cavity from hydraulic fitting towards oil cylinder direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510273133.0A CN104864003B (en) | 2015-05-26 | 2015-05-26 | Turntable end surface contact type brake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510273133.0A CN104864003B (en) | 2015-05-26 | 2015-05-26 | Turntable end surface contact type brake structure |
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| Publication Number | Publication Date |
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| CN104864003A true CN104864003A (en) | 2015-08-26 |
| CN104864003B CN104864003B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510273133.0A Active CN104864003B (en) | 2015-05-26 | 2015-05-26 | Turntable end surface contact type brake structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195007A (en) * | 2016-07-28 | 2016-12-07 | 重庆大学 | A kind of pneumatic air supporting rotary apparatus |
| CN106975937A (en) * | 2017-05-22 | 2017-07-25 | 中南林业科技大学 | Water brake forward type rotary table and its brake control method |
| CN111765186A (en) * | 2020-07-31 | 2020-10-13 | 南通国盛智能科技集团股份有限公司 | Rotary table plane locking structure |
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| GB1341492A (en) * | 1970-03-25 | 1973-12-19 | Porsche Ag | Brake disc for disc brake |
| CN201582333U (en) * | 2009-12-31 | 2010-09-15 | 沈阳锦德机械有限公司 | Car brake disc with vent hole |
| JP2012132539A (en) * | 2010-12-24 | 2012-07-12 | Create Engineering:Kk | Brake disc rotor |
| CN202579750U (en) * | 2012-04-09 | 2012-12-05 | 无锡天野数控装备有限公司 | Brake mechanism of numerical control turntable |
| CN202768687U (en) * | 2012-09-13 | 2013-03-06 | 傅新建 | Brake disc and braking device including the same |
| CN203202081U (en) * | 2013-04-01 | 2013-09-18 | 宁波洲驰车业有限公司 | Heat dissipation brake disc |
| CN203809560U (en) * | 2014-04-24 | 2014-09-03 | 长春四环实业有限公司 | Brake disc for car brake |
| CN204784329U (en) * | 2015-05-26 | 2015-11-18 | 江苏新瑞重工科技有限公司 | Revolving stage end face contaction formula brake structure |
-
2015
- 2015-05-26 CN CN201510273133.0A patent/CN104864003B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1341492A (en) * | 1970-03-25 | 1973-12-19 | Porsche Ag | Brake disc for disc brake |
| CN201582333U (en) * | 2009-12-31 | 2010-09-15 | 沈阳锦德机械有限公司 | Car brake disc with vent hole |
| JP2012132539A (en) * | 2010-12-24 | 2012-07-12 | Create Engineering:Kk | Brake disc rotor |
| CN202579750U (en) * | 2012-04-09 | 2012-12-05 | 无锡天野数控装备有限公司 | Brake mechanism of numerical control turntable |
| CN202768687U (en) * | 2012-09-13 | 2013-03-06 | 傅新建 | Brake disc and braking device including the same |
| CN203202081U (en) * | 2013-04-01 | 2013-09-18 | 宁波洲驰车业有限公司 | Heat dissipation brake disc |
| CN203809560U (en) * | 2014-04-24 | 2014-09-03 | 长春四环实业有限公司 | Brake disc for car brake |
| CN204784329U (en) * | 2015-05-26 | 2015-11-18 | 江苏新瑞重工科技有限公司 | Revolving stage end face contaction formula brake structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106195007A (en) * | 2016-07-28 | 2016-12-07 | 重庆大学 | A kind of pneumatic air supporting rotary apparatus |
| CN106195007B (en) * | 2016-07-28 | 2019-03-19 | 重庆大学 | A kind of pneumatic air bearing rotating device |
| CN106975937A (en) * | 2017-05-22 | 2017-07-25 | 中南林业科技大学 | Water brake forward type rotary table and its brake control method |
| CN111765186A (en) * | 2020-07-31 | 2020-10-13 | 南通国盛智能科技集团股份有限公司 | Rotary table plane locking structure |
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|---|---|
| CN104864003B (en) | 2017-07-11 |
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