CN211371133U - Tail end buffering structure of high-thrust executing mechanism - Google Patents
Tail end buffering structure of high-thrust executing mechanism Download PDFInfo
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- CN211371133U CN211371133U CN201922307514.2U CN201922307514U CN211371133U CN 211371133 U CN211371133 U CN 211371133U CN 201922307514 U CN201922307514 U CN 201922307514U CN 211371133 U CN211371133 U CN 211371133U
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Abstract
The utility model relates to a high thrust actuating mechanism tail end buffer structure, which comprises a push rod and a spring tray sleeved on the push rod; the pressing plate is fixed at the bottom of the spring tray and sleeved on the push rod; a support seat is fixed in the support, a first through hole for the piston to pass through is formed in the support seat and is arranged below the first through hole, and the diameter of the second through hole is larger than that of the first through hole; a gland is fixedly arranged at the bottom of the supporting seat, a convex ring is arranged on the gland, a ring body is arranged on the outer wall of the piston, the ring body is arranged in the ring groove, and a hydraulic cavity is formed between the lower end face of the ring body and the upper end face of the convex ring; the middle part of the piston is also provided with a third through hole for the push rod to pass through; the gland and the hydraulic cavity are symmetrically communicated and provided with an air outlet and an oil outlet, and the oil outlet is connected with the oil storage tank; when the push rod drives the spring tray to move downwards and is abutted against the upper end face of the support, the pressing plate acts on the upper end face of the piston, the ring body compresses the hydraulic cavity, and hydraulic oil is pressed into the oil storage tank.
Description
Technical Field
The utility model relates to a buffer gear specifically is a terminal buffer structure of big thrust actuating mechanism.
Background
The actuating mechanism is the mechanism that realizes quick function, in order to prevent actuating mechanism's end collision valve, generally adopts the full stroke buffering, and the full stroke buffering is directly connected the cushion chamber with the push rod, has just so increased the risk that hydraulic oil leaks outward, and in addition, this kind of full stroke buffering often needs bigger installation space to and increase the weight of whole device.
In conclusion, how to save the installation space of the buffer structure and reduce the weight of the whole machine becomes a problem which needs to be solved urgently by researchers of the company.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to save the installation space of the buffer structure and reduce the weight of the whole machine;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to a buffer structure at the end of a high-thrust actuating mechanism, which comprises a push rod and a spring tray sleeved on the push rod; the pressing plate is fixed at the bottom of the spring tray and sleeved on the push rod; a support is arranged below the spring tray, a support seat is fixed in the support, a first through hole for the piston to pass through is formed in the support seat, a second through hole is arranged below the first through hole in a stepped mode, and the diameter of the second through hole is larger than that of the first through hole; a gland is fixedly arranged at the bottom of the supporting seat, a convex ring for filling a gap between the second through hole and the outer wall of the piston is arranged on the gland, an annular groove is formed by the second through hole and the convex ring, a ring body is arranged on the outer wall of the piston and is arranged in the annular groove, and a hydraulic cavity is formed between the lower end surface of the ring body and the upper end surface of the convex ring; the middle part of the piston is also provided with a third through hole for the push rod to pass through; the gland and the hydraulic cavity are symmetrically communicated and provided with an air outlet and an oil outlet, and the oil outlet is connected with the oil storage tank; when the push rod drives the spring tray to move downwards and abut against the upper end face of the support, the pressing plate acts on the upper end face of the piston, the ring body compresses the hydraulic cavity, and hydraulic oil is pressed into the oil storage tank;
the push rod penetrates through a third through hole in the piston, namely, the push rod is movably connected with the piston; the piston penetrates through the first through hole of the supporting seat, the ring body is arranged in an annular groove formed by the second through hole and the convex ring, and the motion range of the piston is the motion range of the ring body in the annular groove; a hydraulic cavity is formed between the lower end surface of the ring body and the upper end surface of the convex ring, the hydraulic cavity is filled with hydraulic oil, and the hydraulic oil is connected with an oil storage tank through an oil outlet;
in a conventional state, the ring body is always attached to the upper end face of the second through hole under the pressure of the oil storage tank, and the top of the piston is higher than the top of the supporting seat;
when buffering is needed, the push rod drives the pressing plate to move downwards, the pressing plate presses the piston downwards, the ring body is driven to move downwards and is attached to the upper end face of the convex ring, hydraulic oil is discharged into the oil storage tank, the ring body is buffered by the hydraulic oil entering the oil storage tank, and the buffering of the piston on the push rod is indirectly realized;
the exhaust hole is used for exhausting air in the hydraulic cavity when hydraulic oil is injected into the hydraulic cavity, and the exhaust hole is blocked by the plug when the hydraulic cavity is filled with the hydraulic oil.
In order to better realize the sealing of the piston, the supporting seat and the gland, the outer wall of the convex ring and the second through hole, the inner wall of the convex ring and the piston, and the outer wall of the ring body and the second through hole are all connected by sealing rings;
the sealing between the piston and the supporting seat and the sealing between the piston and the gland are better realized by adopting the sealing ring.
The utility model has the advantages that: the utility model relates to a high thrust actuating mechanism end buffer structure, the utility model changes the removal of full stroke buffer into stroke end buffer, which can greatly save installation space, reduce weight of the actuating mechanism and accelerate the rapid cutting-off time; furthermore, the utility model discloses a push rod and piston swing joint have realized the buffering through being connected of piston and supporting seat, gland, have reduced the risk that hydraulic oil leaks outward in the direct and supporting seat, gland connection of push rod relatively.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the piston structure of the present invention;
FIG. 3 is a schematic view of the structure of the piston, the supporting seat and the gland of the present invention;
FIG. 4 is a schematic view of the structure of the supporting seat and the pressing cover of the present invention;
FIG. 5 is an exploded view of the supporting seat and the gland of the present invention;
in the figure: 1-push rod, 2-spring tray, 3-pressure plate, 4-bracket, 5-support seat, 51-first through hole, 52-second through hole, 6-piston, 61-ring body, 62-third through hole, 7-gland, 71-convex ring, 72-annular groove, 73-hydraulic chamber, 74-air outlet, 75-oil outlet, 76-oil storage tank, 8-sealing ring.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-5, the utility model relates to a buffer structure for the end of a high thrust actuator, which comprises a push rod 1 and a spring tray 2 sleeved on the push rod 1; the pressing plate 3 is fixed at the bottom of the spring tray 2 and sleeved on the push rod 1; a support 4 is arranged below the spring tray 2, a support seat 5 is fixed in the support 4, a first through hole 51 for the piston 6 to pass through is formed in the support seat 5, a second through hole 52 is arranged below the first through hole 51 and in a stepped manner with the first through hole 51, and the diameter of the second through hole 52 is larger than that of the first through hole 51; a gland 7 is fixedly arranged at the bottom of the supporting seat 5, a convex ring 71 for filling a gap between the second through hole 52 and the outer wall of the piston 6 is arranged on the gland 7, an annular groove 72 is formed between the second through hole 52 and the convex ring 71, a ring body 61 is arranged on the outer wall of the piston 6, the ring body 61 is arranged in the annular groove 72, and a hydraulic cavity 73 is formed between the lower end surface of the ring body 61 and the upper end surface of the convex ring 71; the middle part of the piston 6 is also provided with a third through hole 62 for the push rod 1 to pass through; the gland 7 and the hydraulic cavity 73 are symmetrically provided with an air outlet 74 and an oil outlet 75 in a penetrating way, and the oil outlet 75 is connected with an oil storage tank 76; when the push rod 1 drives the spring tray 2 to move downwards and abut against the upper end surface of the support 4, the pressing plate 3 acts on the upper end surface of the piston 6, the ring body 61 compresses the hydraulic cavity 73, and hydraulic oil is pressed into the oil storage tank 76;
the push rod penetrates through a third through hole in the piston, namely, the push rod is movably connected with the piston; the piston penetrates through the first through hole of the supporting seat, the ring body is arranged in an annular groove formed by the second through hole and the convex ring, and the motion range of the piston is the motion range of the ring body in the annular groove; a hydraulic cavity is formed between the lower end surface of the ring body and the upper end surface of the convex ring, the hydraulic cavity is filled with hydraulic oil, and the hydraulic oil is connected with an oil storage tank through an oil outlet;
in a conventional state, the ring body is always attached to the upper end face of the second through hole under the pressure of the oil storage tank, and the top of the piston is higher than the top of the supporting seat;
when buffering is needed, the push rod drives the pressing plate to move downwards, the pressing plate presses the piston downwards, the ring body is driven to move downwards and is attached to the upper end face of the convex ring, hydraulic oil is discharged into the oil storage tank, the ring body is buffered by the hydraulic oil entering the oil storage tank, and the buffering of the piston on the push rod is indirectly realized;
the exhaust hole is used for exhausting air in the hydraulic cavity when hydraulic oil is injected into the hydraulic cavity, and the exhaust hole is blocked by the plug when the hydraulic cavity is filled with the hydraulic oil.
As shown in fig. 3, in order to better realize the sealing between the piston and the supporting seat and the gland, the outer wall of the convex ring 71 and the second through hole 52, the inner wall of the convex ring 71 and the piston 6, and the outer wall of the ring body 61 and the second through hole 52 are connected by the sealing ring 8;
the sealing between the piston and the supporting seat and the sealing between the piston and the gland are better realized by adopting the sealing ring.
The utility model has the advantages that: the utility model relates to a high thrust actuating mechanism end buffer structure, the utility model changes the removal of full stroke buffer into stroke end buffer, which can greatly save installation space, reduce weight of the actuating mechanism and accelerate the rapid cutting-off time; furthermore, the utility model discloses a push rod and piston swing joint have realized the buffering through being connected of piston and supporting seat, gland, have reduced the risk that hydraulic oil leaks outward in the direct and supporting seat, gland connection of push rod relatively.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The utility model provides a terminal buffer structure of big thrust actuating mechanism which characterized in that: comprises a push rod (1) and a spring tray (2) sleeved on the push rod (1);
the pressing plate (3) is fixed at the bottom of the spring tray (2) and sleeved on the push rod (1);
a support (4) is arranged below the spring tray (2), a support seat (5) is fixed in the support (4), a first through hole (51) for a piston (6) to pass through is formed in the support seat (5), a second through hole (52) is arranged below the first through hole (51) in a stepped manner, and the diameter of the second through hole (52) is larger than that of the first through hole (51);
a gland (7) is fixedly arranged at the bottom of the supporting seat (5), a convex ring (71) for filling a gap between the second through hole (52) and the outer wall of the piston (6) is arranged on the gland (7), an annular groove (72) is formed between the second through hole (52) and the convex ring (71), a ring body (61) is arranged on the outer wall of the piston (6), the ring body (61) is arranged in the annular groove (72), and a hydraulic cavity (73) is formed between the lower end face of the ring body (61) and the upper end face of the convex ring (71);
a third through hole (62) for the push rod (1) to pass through is formed in the middle of the piston (6);
the gland (7) and the hydraulic cavity (73) are symmetrically provided with an air outlet (74) and an oil outlet (75) in a penetrating manner, and the oil outlet (75) is connected with an oil storage tank (76);
work as push rod (1) drives spring tray (2) is down, and with support (4) up end offsets, clamp plate (3) act on piston (6) up end, ring body (61) compression hydraulic pressure chamber (73), and with hydraulic oil impress extremely in oil storage tank (76).
2. The high thrust actuator end cushioning structure of claim 1, wherein: the outer wall of the convex ring (71) is connected with the second through hole (52), the inner wall of the convex ring (71) is connected with the piston (6), and the outer wall of the ring body (61) is connected with the second through hole (52) through a sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307514.2U CN211371133U (en) | 2019-12-20 | 2019-12-20 | Tail end buffering structure of high-thrust executing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922307514.2U CN211371133U (en) | 2019-12-20 | 2019-12-20 | Tail end buffering structure of high-thrust executing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211371133U true CN211371133U (en) | 2020-08-28 |
Family
ID=72173240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922307514.2U Active CN211371133U (en) | 2019-12-20 | 2019-12-20 | Tail end buffering structure of high-thrust executing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211371133U (en) |
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2019
- 2019-12-20 CN CN201922307514.2U patent/CN211371133U/en active Active
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