CN114992303A - Unidirectional displacement compensation device for actuating cylinder - Google Patents
Unidirectional displacement compensation device for actuating cylinder Download PDFInfo
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- CN114992303A CN114992303A CN202210596934.0A CN202210596934A CN114992303A CN 114992303 A CN114992303 A CN 114992303A CN 202210596934 A CN202210596934 A CN 202210596934A CN 114992303 A CN114992303 A CN 114992303A
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- rack
- actuating
- gear ring
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 description 14
- 239000002131 composite material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transmission Devices (AREA)
Abstract
The present invention relates to a unidirectional displacement compensation device for an actuator cylinder, the unidirectional displacement compensation device comprising: the piston rod of the actuating cylinder is provided with a connecting rod; the cam is provided with an actuating groove, an actuating sliding block is embedded in the actuating groove, and the other end of the connecting rod is rotatably arranged on the cam; the output cavity is internally provided with an output rack and an inner gear ring, the output cavity is rotatably provided with a rotating shaft and a rotating table, one end of the output rack is connected to the actuating slider, the rotating shaft is in transmission connection with the output rack, and the inner gear ring can move along the axial direction of the rotating table and is in transmission connection with the rotating shaft and the rotating table; and the output shell is connected to the output chamber in a sliding manner and can be locked on the output rack. The invention well solves the problem that the common displacement compensation device can not adapt to a plurality of working scenes, and also well solves the problem of mechanical locking of the displacement compensation device.
Description
Technical Field
The invention relates to the technical field of precision manufacturing, in particular to a one-way displacement compensation device for a cylinder.
Background
The displacement compensation device is indispensable equipment in the precision manufacturing industry. At present, many displacement compensation devices cannot well meet the requirement of 'one machine with multiple purposes', basically only can adapt to one specific working condition, and if the use scene is very complicated, and complex motion compensation needs to be involved, the original displacement compensation devices cannot complete the work. In addition, many displacement compensation devices do not have a mechanical locking function, and since the working object contacts with the displacement compensation device, a force is generated, and if there is no mechanical locking, the force of the working object is likely to cause the displacement compensation device to move in a reverse direction, so that precise manufacturing cannot be completed.
If through rational arrangement of structure, use suitable mechanism to make displacement compensation arrangement have mechanical locking function, can realize rotary motion and linear motion's compensation again simultaneously, the device just can adapt to extensive use operating mode then, uses a device just can adapt to diversified machine to satisfy different precision manufacturing requirements.
Disclosure of Invention
In view of the above problems, there is provided a unidirectional displacement compensation apparatus for a cylinder, which has three displacement compensation forms of linear compensation, rotational compensation, and rotation-linear composite compensation.
The specific technical scheme is as follows:
a unidirectional displacement compensation device for a cylinder, characterized by comprising:
the piston rod of the actuating cylinder is provided with a connecting rod;
the cam is provided with an actuating groove, an actuating sliding block is embedded in the actuating groove, and the other end of the connecting rod is rotatably arranged on the cam;
the output cavity is internally provided with an output rack and an inner gear ring, the output cavity is rotatably provided with a rotating shaft and a rotating table, one end of the output rack is connected to the actuating slider, the rotating shaft is in transmission connection with the output rack, and the inner gear ring can move along the axial direction of the rotating table and is in transmission connection with the rotating shaft and the rotating table; and
the output shell is connected to the output chamber in a sliding mode and can be locked on the output rack;
when the output shell is locked on the output rack and the inner gear ring is separated from the rotating shaft, the output shell sequentially outputs linear power under the action of the actuating cylinder and the output rack; when the output shell is locked on the output rack and the inner gear ring is in transmission connection with the rotating shaft and the rotating platform, the output shell sequentially outputs linear power under the action of the actuating cylinder and the output rack, and the rotating platform sequentially rotates and outputs rotary power under the action of the actuating cylinder, the output rack, the rotating shaft and the inner gear ring; when the output shell is separated from the output rack and the inner gear ring is in transmission connection with the rotating shaft and the rotating platform, the rotating platform rotates under the action of the actuating cylinder, the output rack, the rotating shaft and the inner gear ring in sequence and outputs rotating power.
The unidirectional displacement compensation device is also characterized in that the actuating groove comprises a compensation groove section and a push-out groove section communicated with the compensation groove section, the output rack is static and does not move when the piston rod of the actuating cylinder is actuated to push out and the actuating slide block slides along the compensation groove section, the output rack is actuated to push out when the piston rod of the actuating cylinder is actuated to push out and the actuating slide block slides along the push-out groove section, and the output rack is locked when the piston rod of the actuating cylinder is actuated to push out and the actuating slide block slides to the tail end of the push-out groove section.
The unidirectional displacement compensation device also has the characteristic that the compensation device also comprises a locking pin which can sequentially penetrate through the output chamber and the output shell and then penetrate into the output rack.
The unidirectional displacement compensation device is also characterized in that the rotating shaft is provided with driven teeth and transmission teeth, the inner gear ring is connected to the rotating platform in a key manner, the rotating shaft is in transmission connection with the output rack through the driven teeth, and the rotating shaft is in transmission connection with the inner gear ring through the transmission teeth.
The unidirectional displacement compensation device further has the characteristic that the compensation device further comprises a cam cavity, and the cam is installed in the cam cavity.
The beneficial effect of above-mentioned scheme is:
1) the invention well solves the problem that the common displacement compensation device cannot adapt to a plurality of working scenes, and also well solves the problem of mechanical locking of the displacement compensation device;
2) the compensation device provided by the invention can realize three displacement compensation forms of linear compensation, rotation compensation and rotation-linear composite compensation, and has the advantages of high transmission efficiency, safe and reliable work and wide application range.
Drawings
Fig. 1 is a schematic structural diagram of a compensation device provided in an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partially exploded view of a compensation apparatus provided in an embodiment of the present invention;
FIG. 3 is a schematic illustration of an installation of an output housing provided in an embodiment of the present invention;
fig. 4 is a schematic compensation diagram of a compensation device provided in an embodiment of the present invention.
In the drawings: 1. a cylinder; 2. a connecting rod; 3. a cam; 4. an output chamber; 5. an output rack; 6. an inner gear ring; 7. a rotating shaft; 8. a rotating table; 9. an output housing; 10. a compensation groove section; 11. pushing out the groove section; 12. a locking pin; 14. a driven tooth; 15. a transmission gear; 16. a cam chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 4, the compensating device provided in the embodiment of the present invention includes a cylinder 1, a connecting rod 2 mounted on a piston rod of the cylinder 1; the cam 3 is provided with an actuating groove, an actuating slide block is embedded in the actuating groove, and the other end of the connecting rod 2 is rotatably arranged on the cam 3; the device comprises an output chamber 4, an output rack 5 and an inner gear ring 6 are installed in the output chamber 4, a rotating shaft 7 and a rotating platform 8 are rotatably installed on the output chamber 4, one end of the output rack 5 is connected to an actuating slider, the rotating shaft 7 is in transmission connection with the output rack 5, and the inner gear ring 6 can move along the axial direction of the rotating platform 8 and is in transmission connection with the rotating shaft 7 and the rotating platform 8; and the output shell 9, the output shell 9 is connected to the output chamber 4 in a sliding mode, and the output shell 9 can be locked on the output rack 5.
When the output shell 9 is locked on the output rack 5 and the inner gear ring 6 is separated from the rotating shaft 7, the output shell 9 outputs linear power under the action of the actuating cylinder 1 and the output rack 5 in sequence; when the output shell 9 is locked on the output rack 5 and the inner gear ring 6 is in transmission connection with the rotating shaft 7 and the rotating platform 8, the output shell 9 sequentially outputs linear power under the action of the actuating cylinder 1 and the output rack 5, and the rotating platform 8 sequentially rotates and outputs rotary power under the action of the actuating cylinder 1, the output rack 5, the rotating shaft 7 and the inner gear ring 6; when the output shell 9 is separated from the output rack 5 and the inner gear ring 6 is in transmission connection with the rotating shaft 7 and the rotating platform 8, the rotating platform 8 rotates under the action of the actuating cylinder 1, the output rack 5, the rotating shaft 7 and the inner gear ring 6 in sequence and outputs rotating power.
Specifically, the compensation device further comprises a locking pin 12, and the locking pin 12 can sequentially penetrate through the output chamber 4 and the output shell 9 and then penetrate through the output rack 5, so that the output shell 9 is locked on the output rack 5.
Specifically, driven teeth 13 (the rotating shaft 7 is in transmission connection with the output rack 5 through the driven teeth 13) and transmission teeth 14 are arranged on the rotating shaft 7, the inner gear ring 6 is connected to the rotating platform 8 through a flat key, and the inner gear ring 6 can slide along the flat key and is in transmission connection with the transmission teeth 14 on the rotating shaft 7, so that the rotating platform 8 rotates under the action of the actuating cylinder 1, the output rack 5, the rotating shaft 7 and the inner gear ring 6 in sequence and outputs rotary power.
For the above-mentioned straight line positionCompensation is provided under the conditions of moving, rotating displacement and rotating-linear composite displacement, an upper actuating groove of the cam 3 comprises a compensation groove section 10 and a push-out groove section 11 communicated with the compensation groove section 10 (the molded line equation of the push-out groove section of the actuating groove in the invention is as follows
) In the formula, rho is the distance from a cam rotating winding point O to the molded line; r is the distance between the cam rotation winding point O and the cam connection point P; s-2 r; alpha is an included angle between QO and OP, a point P is a connecting point of the connecting rod 2 and the cam 3, and a point Q is a connecting shaft point of the connecting rod 2 and the piston rod of the actuating cylinder 1; λ is the link ratio, λ is the length of OP/length of PQ; l is the distance from the cam rotation winding point O to the connecting point of the sliding block and the cam at the initial moment), so that when the output shell 9 is locked on the output rack 5 and the inner gear ring 6 is separated from the rotating shaft 7, the piston rod of the actuating cylinder 1 is actuated to push out and the actuating sliding block slides along the compensation groove section 10, the distances from each point on the compensation groove section 10 to the cam rotation winding point O are the same (both L), the actuating sliding block does not move relative to the cam rotation winding point O, at the moment, the output rack 5 is still, and the output shell 9 locked on the output rack 5 is also still, thereby realizing linear compensation; when the piston rod of the actuating cylinder 1 continues to actuate and push out and the actuating slide block slides along the push-out groove section 11, the distance from each point on the push-out groove section 11 to the cam rotation winding point O is gradually increased to meet the profile equation of the push-out groove section, at the moment, the actuating slide block makes linear motion relative to the cam rotation winding point O, the output rack 5 connected with the actuating slide block makes linear motion, and the output shell 9 locked on the output rack 5 also makes linear motion, so that the linear power output is realized. When the output shell 9 is separated from the output rack 5 and the inner gear ring 6 is in transmission connection with the rotating shaft 7 and the rotating platform 8, the piston rod of the actuating cylinder 1 is actuated and pushed out to enable the actuating slider to slide along the compensation groove section 10, the distances from each point on the compensation groove section 10 to the cam rotation winding point O are the same (both are L), at the moment, the actuating slider does not move relative to the cam rotation winding point O, the output rack 5 is still, and the gear 13 in meshing transmission with the output rack 5 is also still, so that rotation compensation is realized; when the piston rod of the actuating cylinder 1 continues to actuate and push out and make the actuating slide block slide along the push-out groove section 11, each point on the push-out groove section 11 is pushed out to the convexThe distance of the wheel rotating around the point O is gradually increased to meet the profile equation of the push-out groove section, at the moment, the actuating slide block makes linear motion relative to the cam rotating around the point O, the output rack 5 connected with the actuating slide block makes linear motion, and the gear 13 meshed with the output rack 5 makes rotary motion, so that the rotary power output is realized. When the output shell 9 is locked on the output rack 5 and the inner gear ring 6 is in transmission connection with the rotating shaft 7 and the rotating platform 8, the piston rod of the actuating cylinder 1 is actuated and pushed out to enable the actuating slider to slide along the compensation groove section 10, the distances from each point on the compensation groove section 10 to the cam rotation winding point O are the same (both are L), the actuating slider does not move relative to the cam rotation winding point O at the moment, the output rack 5 is still at the moment, the gear 13 in meshing transmission with the output rack 5 is also still, and the output shell 9 locked on the output gear 5 is also still, so that the rotation-linear combined compensation is realized; when the piston rod continues to actuate and push out and the actuating slide block slides along the push-out groove section 11, the distance from each point on the push-out groove section to the cam rotation winding point O is gradually increased to meet the profile equation of the push-out groove section, at the moment, the actuating slide block makes linear motion relative to the cam rotation winding point O, the output rack 5 connected with the actuating slide block makes linear motion, the output shell 9 locked on the output rack 5 also makes linear motion, and simultaneously, the gear 13 meshed with the output rack 5 makes rotary motion, so that the linear-rotary power composite output is realized.
In the present invention, when the slider moves to the end of the push-out slot 11, the output rack 5, the connection point of the slider and the cam, and the rotation winding point O of the cam are collinear (as shown in fig. 4).
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (5)
1. A unidirectional displacement compensation device for a cylinder, comprising:
the hydraulic cylinder comprises a working cylinder (1), wherein a piston rod of the working cylinder (1) is provided with a connecting rod (2);
the cam (3) is provided with an actuating groove, an actuating sliding block is embedded in the actuating groove, and the other end of the connecting rod (2) is rotatably arranged on the cam (3);
the device comprises an output chamber (4), wherein an output rack (5) and an inner gear ring (6) are installed in the output chamber (4), a rotating shaft (7) and a rotating platform (8) are installed on the output chamber (4) in a rotating mode, one end of the output rack (5) is connected to an actuating sliding block, the rotating shaft (7) is in transmission connection with the output rack (5), and the inner gear ring (6) can move along the axial direction of the rotating platform (8) and is in transmission connection with the rotating shaft (7) and the rotating platform (8); and
an output housing (9), wherein the output housing (9) is slidably connected to the output chamber (4), and the output housing (9) is lockable on the output rack (5);
when the output shell (9) is locked on the output rack (5) and the inner gear ring (6) is separated from the rotating shaft (7), the output shell (9) sequentially outputs linear power under the action of the actuating cylinder (1) and the output rack (5); when the output shell (9) is locked on the output rack (5) and the inner gear ring (6) is in transmission connection with the rotating shaft (7) and the rotating platform (8), the output shell (9) sequentially outputs linear power under the action of the actuating cylinder (1) and the output rack (5), and the rotating platform (8) sequentially rotates under the action of the actuating cylinder (1), the output rack (5), the rotating shaft (7) and the inner gear ring (6) and outputs rotary power; when the output shell (9) is separated from the output rack (5) and the inner gear ring (6) is in transmission connection with the rotating shaft (7) and the rotating platform (8), the rotating platform (8) rotates and outputs rotating power under the action of the actuating cylinder (1), the output rack (5), the rotating shaft (7) and the inner gear ring (6) in sequence.
2. The unidirectional displacement compensation device of claim 1, wherein the actuation slot comprises a compensation slot section (10) and a push-out slot section (11) communicated with the compensation slot section (10), the output rack (5) is stationary when the piston rod of the actuation cylinder (1) is actuated to push out and the actuation slider slides along the compensation slot section (10), the output rack (5) is actuated to push out when the piston rod of the actuation cylinder (1) is actuated to push out and the actuation slider slides along the push-out slot section (11), and the output rack (5) is locked when the piston rod of the actuation cylinder (1) is actuated to push out and the actuation slider slides to the end of the push-out slot section (11).
3. A unidirectional displacement compensation device according to claim 1 or 2, wherein the compensation device further comprises a locking pin (12), and the locking pin (12) can pass through the output chamber (4) and the output housing (9) in sequence and then pass through the output rack (5).
4. The unidirectional displacement compensation device of claim 1 or 2, wherein the rotating shaft (7) is provided with driven teeth (13) and transmission teeth (14), the inner gear ring (6) is connected to the rotating platform (8) in a key manner, the rotating shaft (7) is in transmission connection with the output rack (5) through the driven teeth (13), and the rotating shaft (7) is in transmission connection with the inner gear ring (6) through the transmission teeth (14).
5. A unidirectional displacement compensation device according to claim 1 or 2, characterized in that the compensation device further comprises a cam chamber (15), the cam (3) being mounted in the cam chamber (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210596934.0A CN114992303B (en) | 2022-05-30 | 2022-05-30 | Unidirectional displacement compensation device for actuating cylinder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210596934.0A CN114992303B (en) | 2022-05-30 | 2022-05-30 | Unidirectional displacement compensation device for actuating cylinder |
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| Publication Number | Publication Date |
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| CN114992303A true CN114992303A (en) | 2022-09-02 |
| CN114992303B CN114992303B (en) | 2024-04-12 |
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| CN202210596934.0A Active CN114992303B (en) | 2022-05-30 | 2022-05-30 | Unidirectional displacement compensation device for actuating cylinder |
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| CN102537266A (en) * | 2012-02-23 | 2012-07-04 | 大连海事大学 | Rocker-type continuously variable transmission |
| CN102882307A (en) * | 2012-09-06 | 2013-01-16 | 上海大学 | Output displacement adjustable linear micro-motor based on cam mechanism |
| CN104612826A (en) * | 2015-01-30 | 2015-05-13 | 张玉辉 | Efficient and energy-saving engine |
| CN204493066U (en) * | 2014-12-30 | 2015-07-22 | 武汉理工大学 | Telescopic buoyancy pendulum-type wave energy collection device |
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| CN109058405A (en) * | 2018-09-06 | 2018-12-21 | 胡捷 | A kind of compressor drive and compressor |
| KR101968050B1 (en) * | 2018-10-10 | 2019-04-11 | 주식회사 연암에프에이 | Linear and rotary reciprocating apparatus |
| DE102018115656A1 (en) * | 2018-06-28 | 2020-01-02 | Schaeffler Technologies AG & Co. KG | Bearing arrangement with a swivel plate arm and with a weighing bearing and axial piston machine with the bearing arrangement |
| CN114423966A (en) * | 2020-02-12 | 2022-04-29 | R·R·拉金德兰 | Infinitely variable transmission with uniform input-output ratio independent of friction |
-
2022
- 2022-05-30 CN CN202210596934.0A patent/CN114992303B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4983151A (en) * | 1988-08-15 | 1991-01-08 | Epilogics, Inc. | Transmission ratio changing apparatus and method |
| CN1730978A (en) * | 2005-08-05 | 2006-02-08 | 马平川 | Rotary displacement free speed changing device and rotary displacement free speed changing method thereof |
| JP2010230034A (en) * | 2009-03-26 | 2010-10-14 | Ebihara Seisakusho:Kk | Power transmission device |
| CN102537266A (en) * | 2012-02-23 | 2012-07-04 | 大连海事大学 | Rocker-type continuously variable transmission |
| CN102882307A (en) * | 2012-09-06 | 2013-01-16 | 上海大学 | Output displacement adjustable linear micro-motor based on cam mechanism |
| US20150267794A1 (en) * | 2013-03-15 | 2015-09-24 | Raja Ramanujam Rajendran | Continuous variable transmission with uniform input-to-output ratio that is non-dependent on friction |
| CN204493066U (en) * | 2014-12-30 | 2015-07-22 | 武汉理工大学 | Telescopic buoyancy pendulum-type wave energy collection device |
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| DE102018115656A1 (en) * | 2018-06-28 | 2020-01-02 | Schaeffler Technologies AG & Co. KG | Bearing arrangement with a swivel plate arm and with a weighing bearing and axial piston machine with the bearing arrangement |
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| CN114992303B (en) | 2024-04-12 |
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