CN211371144U - Heavy-load buffering electric cylinder - Google Patents
Heavy-load buffering electric cylinder Download PDFInfo
- Publication number
- CN211371144U CN211371144U CN201922193609.6U CN201922193609U CN211371144U CN 211371144 U CN211371144 U CN 211371144U CN 201922193609 U CN201922193609 U CN 201922193609U CN 211371144 U CN211371144 U CN 211371144U
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- cylinder body
- end cover
- fixedly connected
- spring
- cylinder
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 10
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000006096 absorbing agent Substances 0.000 claims 3
- 238000013016 damping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003292 glue Substances 0.000 description 2
- 230000009347 mechanical transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Abstract
The utility model discloses a heavy-load buffering electric cylinder, which comprises a cylinder body, wherein one end of the cylinder body is fixedly connected with a first end cover, and the other end of the cylinder body is fixedly connected with a driving plate after passing through a second end cover; the second end cover is fixedly connected with the cylinder body; the cylinder body is close to the inside push rod that can follow cylinder body axial rectilinear motion that is provided with of one side of first end cover, the one end of push rod runs through first end cover to the cylinder body outside, and the other end is located inside the cylinder body. The utility model discloses a simple structure, reasonable in design through set up the spring coaxial with the cylinder body between first end cover and the cylinder body gliding fixed block relatively along the guide arm, makes the electric jar under the condition that load surpassed rated load, and the electric jar carries out linear motion for the fixed block under the direction of guide arm, and after the load uninstallation that overloads, the electric jar resumes the normal position under the effect of spring to this protection electric jar, avoids the electric jar to cause the damage when especially receiving impact load.
Description
Technical Field
The utility model relates to a mechanical transmission technical field especially relates to a heavy load buffering electric cylinder.
Background
The electric cylinder is a linear motion device which integrates a motor and a lead screw into a whole, has the advantages of high transmission precision, quick response, low noise and the like, and has wide mechanical transmission application due to a plurality of advantages of the electric cylinder.
However, working conditions such as overload and impact often occur in the working process of the electric cylinder, particularly, the performance and the precision of the electric cylinder are greatly influenced by impact load, and the service life of the electric cylinder is reduced; in severe cases, the electric cylinder is damaged, and loss is caused.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an electric cylinder for heavy load buffering, which aims to solve the problem that the electric cylinder in the prior art is lack of buffering protection when bearing overload or impact, so that the electric cylinder is damaged.
The utility model discloses the technical scheme who adopts as follows:
a heavy-load buffering electric cylinder comprises a cylinder body (1) and is characterized in that one end of the cylinder body (1) is fixedly connected with a first end cover (2), and the other end of the cylinder body penetrates through a second end cover (3) and then is fixedly connected with a driving plate (4); the second end cover (3) is fixedly connected with the cylinder body (1); a push rod (6) capable of linearly moving along the axial direction of the cylinder body (1) is arranged inside one side, close to the first end cover (2), of the cylinder body (1), one end of the push rod (6) penetrates through the first end cover (2) to the outer side of the cylinder body (1), and the other end of the push rod is located inside the cylinder body (1);
a fixing block (5) which is vertical to the axis of the cylinder body (1) is arranged between the first end cover (2) and the second end cover (3); a spring (7) which is coaxial with the cylinder body (1) is arranged between the first end cover (2) and the fixed block (5); the spring (7) is a cylindrical spiral compression spring; one end of the spring (7) is fixedly connected with the first end cover (2), and the other end of the spring is fixedly connected with the fixed block (5); three or more guide rods (8) which are uniformly and circumferentially distributed in the radial direction by taking the axis of the cylinder body (1) as the center and taking three or more axes which are uniformly and circumferentially distributed in the radial direction by taking the center as the center are arranged on the outer side of the spring (7); one end of the guide rod (8) is fixedly connected with the first end cover (2), and the other end of the guide rod penetrates through the fixing block (5) and is fixedly connected with the second end cover (3); the fixed block (5) can slide up and down relative to the cylinder body (1) along the guide rod (8);
and a servo motor (16) is arranged on one side of the driving plate (4) positioned on the cylinder body (1).
Preferably, the left side and the right side of the cylinder body (1) are respectively provided with a connecting plate (9), one end of each connecting plate (9) is fixedly connected with the first end cover (2), and the other end of each connecting plate is fixedly connected with the second end cover (3); the middle of the connecting plate (9) is provided with a straight slotted hole (90) extending from one end of the connecting plate (9) to the other end.
Preferably, a first buffer cushion (10) is arranged between the first end cover (2) and the spring (7), and a second buffer cushion (11) is arranged between the second end cover (3) and the spring (7).
Preferably, the spring (7) is provided with a buffer rubber (12).
Preferably, a linear bearing (13) is arranged between the guide rod (8) and the fixed block (5).
Preferably, a proximity switch (14) is arranged on one end surface of the second end cover (3) close to the fixed block (5).
Preferably, one end of the first end cover (2) far away from the first buffer pad (10) is provided with a guide sleeve (15) which is coaxial with the push rod (6); the push rod (6) can slide up and down along the guide sleeve (15) after penetrating through the guide sleeve (15).
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a simple structure, reasonable in design through set up the spring coaxial with the cylinder body between first end cover and the cylinder body gliding fixed block relatively along the guide arm, makes the electric jar under the condition that load surpassed rated load, and the electric jar carries out linear motion for the fixed block under the direction of guide arm, and after the load uninstallation that overloads, the electric jar resumes the normal position under the effect of spring to this protection electric jar, avoids the electric jar to cause the damage when especially receiving impact load.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
wherein: the device comprises a cylinder body 1, a first end cover 2, a second end cover 3, a driving plate 4, a fixing block 5, a push rod 6, a spring 7, a guide rod 8, a connecting plate 9, a first buffer cushion 10, a second buffer cushion 11, buffer glue 12, a linear bearing 13, a proximity switch 14, a guide sleeve 15, a servo motor 16 and a straight slot hole 90.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, the heavy-duty buffering electric cylinder comprises a cylinder body 1, and is characterized in that one end of the cylinder body 1 is fixedly connected with a first end cover 2, and the other end of the cylinder body passes through a second end cover 3 and then is fixedly connected with a driving plate 4; the second end cover 3 is fixedly connected with the cylinder body 1; a push rod 6 capable of linearly moving along the axial direction of the cylinder body 1 is arranged inside one side, close to the first end cover 2, of the cylinder body 1, one end of the push rod 6 penetrates through the first end cover 2 to the outer side of the cylinder body 1, and the other end of the push rod 6 is located inside the cylinder body 1;
a fixing block 5 vertical to the axis of the cylinder body 1 is arranged between the first end cover 2 and the second end cover 3; a spring 7 which is coaxial with the cylinder body 1 is arranged between the first end cover 2 and the fixed block 5; the spring 7 is a cylindrical spiral compression spring; one end of the spring 7 is fixedly connected with the first end cover 2, and the other end of the spring is fixedly connected with the fixed block 5; the outer side of the spring 7 is provided with three guide rods 8 which are uniformly and circumferentially distributed by taking the axis of the cylinder body 1 as the center; one end of the guide rod 8 is fixedly connected with the first end cover 2, and the other end of the guide rod penetrates through the fixing block 5 and is fixedly connected with the second end cover 3; the fixed block 5 can slide up and down relative to the cylinder body 1 along the guide rod 8;
a servo motor 16 is arranged on one side of the driving plate 4, which is positioned on the cylinder body 1.
Furthermore, the left side and the right side of the cylinder body 1 are respectively provided with a connecting plate 9, one end of each connecting plate 9 is fixedly connected with the first end cover 2, and the other end of each connecting plate 9 is fixedly connected with the second end cover 3; a straight slot hole 90 extending from one end of the connecting plate 9 to the other end is formed in the middle of the connecting plate 9; the connecting plate 9 is used for fixing the first end cap 2 and the second end cap 3, the strength of the cylinder body 1 is improved, the straight slot 90 is convenient for the fixing block 5 to be connected with an external connecting piece, and the fixing block 5 can move up and down relative to the cylinder body 1 along the straight slot 90.
When the electric cylinder is used, the fixing block 5 is fixed, the electric cylinder 1 is guided by the guide rod 8 to move linearly relative to the fixing block 5 under the condition that the load of the electric cylinder 1 exceeds the rated load, and after the overload load is unloaded, the electric cylinder is restored to the original position under the action of the spring 7, so that the electric cylinder is protected, and particularly, the electric cylinder is prevented from being damaged when the electric cylinder is subjected to impact load.
Further, a first cushion pad 10 is arranged between the first end cover 2 and the spring 7, and a second cushion pad 11 is arranged between the second end cover 3 and the spring 7; the first cushion pad 10 and the second cushion pad 11 can further protect the cylinder 1 from a large impact after the spring 7 is compressed to the limit.
Further, a buffer glue 12 is arranged on the spring 7; the buffer rubber 12 can buffer and absorb the pressure generated by the spring 7 in the moment when the electric cylinder is subjected to impact load in a limited way, and the spring 7 and the cylinder body 1 are prevented from being damaged.
Further, a linear bearing 13 is arranged between the guide rod 8 and the fixed block 5; the linear bearing 13 can reduce the friction between the guide rod 8 and the fixed block 5.
Further, a proximity switch 14 is arranged on one end surface of the second end cover 3 close to the fixed block 5; after the overload load is unloaded, the detection device is used for detecting whether the fixed block 5 and the second end cover 3 are restored to the original positions, so that whether the electric cylinder is normally restored can be judged.
Further, a guide sleeve 15 which is coaxially arranged with the push rod 6 is arranged at one end of the first end cover 2 far away from the first buffer pad 10; the push rod 6 can slide up and down along the guide sleeve 15 after penetrating through the guide sleeve 15; the guide sleeve 15 enables the push rod 6 to have a good guiding effect on the push rod 6 when the push rod 6 moves to extend out of the first end cover 2, and therefore the motion of the push rod 6 is more stable.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.
Claims (7)
1. A heavy-load buffering electric cylinder comprises a cylinder body (1) and is characterized in that one end of the cylinder body (1) is fixedly connected with a first end cover (2), and the other end of the cylinder body penetrates through a second end cover (3) and then is fixedly connected with a driving plate (4); the second end cover (3) is fixedly connected with the cylinder body (1); a push rod (6) capable of linearly moving along the axial direction of the cylinder body (1) is arranged inside one side, close to the first end cover (2), of the cylinder body (1), one end of the push rod (6) penetrates through the first end cover (2) to the outer side of the cylinder body (1), and the other end of the push rod is located inside the cylinder body (1);
a fixed block (5) vertical to the axis of the cylinder body (1) is arranged between the first end cover (2) and the second end cover (3); a spring (7) which is coaxial with the cylinder body (1) is arranged between the first end cover (2) and the fixed block (5); the spring (7) is a cylindrical spiral compression spring; one end of the spring (7) is fixedly connected with the first end cover (2), and the other end of the spring is fixedly connected with the fixed block (5); three or more than three guide rods (8) which are uniformly and circumferentially distributed by taking the axis of the cylinder body (1) as the center are arranged on the outer side of the spring (7); one end of the guide rod (8) is fixedly connected with the first end cover (2), and the other end of the guide rod penetrates through the fixing block (5) and is fixedly connected with the second end cover (3); the fixed block (5) can slide up and down relative to the cylinder body (1) along the guide rod (8);
and a servo motor (16) is arranged on one side of the driving plate (4) positioned on the cylinder body (1).
2. The heavy-load electric buffering cylinder as claimed in claim 1, wherein connecting plates (9) are respectively arranged on the left side and the right side of the cylinder body (1), one end of each connecting plate (9) is fixedly connected with the first end cover (2), and the other end of each connecting plate (9) is fixedly connected with the second end cover (3); the middle of the connecting plate (9) is provided with a straight slotted hole (90) extending from one end of the connecting plate (9) to the other end.
3. A heavy-duty electric shock absorber cylinder according to claim 1, wherein a first cushion (10) is provided between the first end cap (2) and the spring (7), and a second cushion (11) is provided between the second end cap (3) and the spring (7).
4. The heavy-duty electric shock absorber cylinder as claimed in claim 1, wherein said spring (7) is provided with a damping rubber (12).
5. The heavy-duty electric shock absorber cylinder as claimed in claim 1, wherein a linear bearing (13) is provided between the guide rod (8) and the fixed block (5).
6. The heavy-duty electric buffer cylinder according to claim 1, wherein a proximity switch (14) is arranged on one end surface of the second end cover (3) close to the fixed block (5).
7. The heavy-duty electric buffer cylinder according to claim 1, wherein one end of the first end cover (2) far away from the first buffer pad (10) is provided with a guide sleeve (15) coaxially arranged with the push rod (6); the push rod (6) can slide up and down along the guide sleeve (15) after penetrating through the guide sleeve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193609.6U CN211371144U (en) | 2019-12-10 | 2019-12-10 | Heavy-load buffering electric cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922193609.6U CN211371144U (en) | 2019-12-10 | 2019-12-10 | Heavy-load buffering electric cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371144U true CN211371144U (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922193609.6U Expired - Fee Related CN211371144U (en) | 2019-12-10 | 2019-12-10 | Heavy-load buffering electric cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371144U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211948A (en) * | 2020-11-04 | 2021-01-12 | 南京默凯尼克机电有限公司 | Electric cylinder with oil-gas auxiliary buffering structure |
-
2019
- 2019-12-10 CN CN201922193609.6U patent/CN211371144U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112211948A (en) * | 2020-11-04 | 2021-01-12 | 南京默凯尼克机电有限公司 | Electric cylinder with oil-gas auxiliary buffering structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |