CN212564187U

CN212564187U - Damping piston

Info

Publication number: CN212564187U
Application number: CN202021074129.4U
Authority: CN
Inventors: 廖井木; 廖绍文; 罗金凤
Original assignee: Fujian Jucheng Automobile Fitting Co ltd
Current assignee: Fujian Jucheng Automobile Fitting Co ltd
Priority date: 2020-06-12
Filing date: 2020-06-12
Publication date: 2021-02-19
Anticipated expiration: 2030-06-12

Abstract

The utility model discloses a damping piston, concretely relates to damping equipment technical field, including last piston tube and lower piston tube, it has lower piston tube to go up piston tube inner wall bottom sliding sleeve, it has the piston rod to go up the welding in the piston tube, piston rod bottom fixedly connected with cock body, the inner wall of cock tube under the cock body sliding sleeve, the welding of piston tube outer wall bottom has an album oil jacket frame down, there is level sensor collection oil jacket frame inner wall bottom through bolt fixed mounting, the welding has the retaining ring at album oil jacket frame inner wall middle part. The utility model discloses an oil collecting sleeve frame can carry out temporary storage to the oil that damping piston leaks out, and level sensor receives oil level information after, can in time send the message for control center, sends the people by control center and comes to maintain this damping piston, prevents that damping piston from lasting the oil leak and not in time overhauls and cause equipment damage, in time overhauls also indirect life who has improved damping piston.

Description

Damping piston

Technical Field

The utility model relates to a damping equipment technique, more specifically say, the utility model relates to a damping piston.

Background

The damping piston is also called a damper. The damping-increasing device is made to quickly damp the vibration generated when the shock is applied. An ideal damper is an oil damper. The common oils include silicone oil, castor oil, machine oil, diesel oil, engine oil, and transformer oil, and can be made into plate, piston, square cone, etc. Other solid viscous dampers, air dampers, friction dampers, etc. are available. The oil damper is also called as a hydraulic damper, and the hydraulic damper is mainly suitable for resisting vibration of pipelines and equipment in nuclear power plants, thermal power plants, chemical plants, steel plants and the like. And is commonly used to control shock-induced fluid vibrations (e.g., shock excitations such as rapid main valve closure, relief valve blow-off, water hammer, pipe breakage, etc.) and seismic-excitated piping vibrations.

The existing hydraulic damping piston can leak oil after being used for a long time, the dampers are generally installed in the key field, once an accident happens, the hydraulic damper has too little oil, cannot play a role in vibration reduction and energy dissipation completely, and can cause damage to equipment such as pipelines, and therefore the existing hydraulic damping piston is lack of a damping piston which can report the oil leakage of the hydraulic damper in time.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a damping piston, the utility model aims to solve the technical problem that: through the setting of collection oil jacket frame and level sensor, solved and can't in time handle the problem to damping piston after the oil leak.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a damping piston, includes piston tube and lower piston tube, it has lower piston tube to go up piston tube inner wall bottom slip cap, it has the piston rod to go up the intraductal welding of piston, piston rod bottom fixedly connected with cock body, the inner wall of cock body slip cap piston tube down, the welding of piston tube outer wall bottom has an album oil jacket frame down, there is level sensor collection oil jacket frame inner wall bottom through bolt fixed mounting, the welding of album oil jacket frame inner wall middle part has fixed ring, fixed ring inner wall welding is in piston tube outer wall bottom down, the oilhole of crossing of evenly distributed has been seted up to fixed ring, the welding of fixed ring top has reset spring, the welding of reset spring top is in last piston tube outer wall bottom.

In a preferred embodiment, the return spring is sleeved outside the lower piston tube, and the fixed ring is located between the oil collecting sleeve frame and the lower piston tube.

In a preferred embodiment, the diameter of the upper piston tube is larger than the diameter of the lower piston tube, and the diameter of the oil collecting jacket bracket is larger than the diameter of the upper piston tube.

In a preferred embodiment, the liquid level sensor is electrically connected with the hall power supply.

In a preferred embodiment, the bottom of the inner wall of the oil collecting sleeve frame is provided with a through oil discharge hole, and a fixing plug is sleeved in the oil discharge hole in a threaded manner.

In a preferred embodiment, a sealing ring is embedded in the outer wall of the fixing plug, and the outer wall of the sealing ring is sleeved in the oil drain hole.

In a preferred embodiment, the upper piston pipe is welded with an upper hanging ring at the top, and the lower piston pipe is welded with a lower hanging ring at the bottom.

In a preferred embodiment, the upper hanging ring and the lower hanging ring are provided with hanging holes.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an oil collecting sleeve frame can carry out temporary storage to the oil that damping piston leaks out, and level sensor receives oil level information after, can in time send the message for control center, sends the people by control center and comes to maintain this damping piston, prevents that damping piston from lasting the oil leak and not in time overhauls and cause equipment damage, in time overhauls also indirect life who has improved damping piston.

2. The utility model discloses the damping nature of reset spring's original attenuator of elastic fit can improve the effect of this damping piston damping, and oil drain hole easy access personnel discharges the oil of temporary storage in to gathering oil jacket frame, has improved the practicality of damping piston.

Drawings

Fig. 1 is a front sectional view of the overall structure of the present invention.

Fig. 2 is an overall structure front view of the present invention.

FIG. 3 is an enlarged view of the structure A in FIG. 1 of the present invention

Fig. 4 is an enlarged view of the structure B in fig. 1 according to the present invention.

The reference signs are: 1. an upper piston tube; 11. a lower piston tube; 12. a piston rod; 13. a plug body; 2. an upper hanging ring; 21. a lower lifting ring; 22. hoisting holes; 3. an oil collecting sleeve frame; 31. a liquid level sensor; 32. fixing the circular ring; 33. an oil passing hole; 34. a return spring; 4. an oil drain hole; 41. a fixed plug; 42. and (5) sealing rings.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to fig. 1-4, the present invention provides a damping piston, which comprises an upper piston tube 1 and a lower piston tube 11, wherein the lower piston tube 11 is slidably sleeved on the bottom of the inner wall of the upper piston tube 1, a piston rod 12 is welded in the upper piston tube 1, a piston body 13 is fixedly connected to the bottom end of the piston rod 12, the piston body 13 is slidably sleeved on the inner wall of the lower piston tube 11, the upper piston tube 1, the lower piston tube 11, the piston rod 12 and the piston body 13 form a conventional hydraulic damping piston, in the prior art, an oil collecting jacket frame 3 is welded on the bottom of the outer wall of the lower piston tube 11, the oil collecting jacket frame 3 is shaped as shown in fig. 1 and fig. 2, and is a circular shape lacking in the center of a circular cup, a liquid level sensor 31 is fixedly installed on the bottom of the inner wall of the oil collecting jacket frame 3 through a bolt, the liquid level sensor 31 can detect the oil level in the oil collecting jacket frame 2, the liquid level, a contact oil just can carry out information transfer, the welding of 3 inner walls middle parts of collection oil cover frame has fixed ring 32, fixed ring 32 inner wall welding is in piston tube 11 outer wall bottom down, evenly distributed's the oilhole 33 of crossing has been seted up in the fixed ring 32, it can flow into the inner wall bottom of collection oil cover frame 2 to cross the oil on the oilhole 33 convenient to fixed ring 32, the welding of fixed ring 32 top has reset spring 34, fixed ring 32 plays the effect that supports reset spring 34, the welding of reset spring 34 top is in last piston tube 1 outer wall bottom, reset spring 34 presss from both sides between piston tube 1 and lower piston tube 11, can carry out the damping to two piston tubes.

The reset spring 34 is sleeved outside the lower piston tube 11 to play a role in reducing the error contact between the reset spring 34 and the lower piston tube 11, the fixed ring 32 is positioned between the oil collecting sleeve frame 3 and the lower piston tube 11 to facilitate the oil collecting sleeve frame 3 and the lower piston tube 11 to support the fixed ring 32, the diameter size of the upper piston tube 1 is larger than that of the lower piston tube 11 to facilitate the top end of the lower piston tube 11 to slide in the upper piston tube 1, the diameter size of the oil collecting sleeve frame 3 is larger than that of the upper piston tube 1 to enable oil leaked from the contact part of the upper piston tube 1 and the lower piston tube 11 to flow into the oil collecting sleeve frame 3 under the action of gravity, the liquid level sensor 31 is electrically connected with a control power supply hall, the liquid level sensor 31 can transmit oil level information to the control power supply hall, the bottom of the inner wall of the oil collecting sleeve frame 3 is provided with a penetrating oil discharge hole 4 to facilitate the discharge of the oil in the oil collecting sleeve frame 3, there is fixed plug 41 in the 4 thread bush in oil drain hole, fixed plug 41 can block oil drain hole 4, fixed plug 41 can be artifical takes off from oil drain hole 4, seal ring 42 is inlayed to fixed plug 41 outer wall, seal ring 42 outer wall cover is in oil drain hole 4, seal ring 42 can reduce

fixed plug

41 and 4 internal clearances in the oil drain hole, the welding of 1 top of last piston tube has rings 2, the welding of 11 bottoms of lower piston tube has rings 21 down, hang hole 22 has all been seted up in rings 2 and rings 21 down, rings pass through hang hole 22 and install on equipment from top to bottom.

The utility model discloses the theory of operation: however, after the damper is leaked with oil for a long time, the oil flows out from the gap between the upper piston tube 1 and the lower piston tube 11, and flows into the oil collecting sleeve frame 3 under the action of gravity, and finally contacts the liquid level sensor 31 in the oil collecting sleeve frame 3 through the oil passing hole 33, after receiving the oil level information, the liquid level sensor 31 can send a message to the control center in time, and the control center sends a person to maintain the damping piston, so as to prevent the damping piston from being damaged due to the fact that the damping piston is continuously leaked with oil and not maintained in time, the service life of the damping piston is indirectly prolonged due to the timely maintenance, the upper piston tube 1, the lower piston tube 11, the piston rod 12 and the piston body 13 form a common hydraulic damping piston, the elastic force of the return spring 34 is matched with the damping property of the original damper, the vibration damping effect of the damping piston can be improved, and the oil discharge hole 4 is convenient for the maintenance person to discharge the oil temporarily stored in the oil collecting sleeve frame 3, the fixed plug 41 can block the oil drain hole 4, and the sealing ring 42 can reduce the inner gap between the fixed plug 41 and the oil drain hole 4, so that the practicability of the damping piston is improved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A damping piston comprising an upper piston tube (1) and a lower piston tube (11), characterized in that: the bottom of the inner wall of the upper piston pipe (1) is sleeved with a lower piston pipe (11) in a sliding manner, a piston rod (12) is welded in the upper piston pipe (1), the bottom end of the piston rod (12) is fixedly connected with a plug body (13), the plug body (13) is sleeved on the inner wall of the lower piston tube (11) in a sliding manner, an oil collecting sleeve frame (3) is welded at the bottom of the outer wall of the lower piston tube (11), a liquid level sensor (31) is fixedly arranged at the bottom of the inner wall of the oil collecting sleeve frame (3) through a bolt, the middle part of the inner wall of the oil collecting sleeve frame (3) is welded with a fixed circular ring (32), the inner wall of the fixed circular ring (32) is welded at the bottom of the outer wall of the lower piston pipe (11), oil passing holes (33) are uniformly distributed in the fixed ring (32), the top of the fixed circular ring (32) is welded with a return spring (34), and the top of the return spring (34) is welded at the bottom of the outer wall of the upper piston pipe (1).

2. A damping piston according to claim 1, wherein: the return spring (34) is sleeved outside the lower piston tube (11), and the fixed ring (32) is positioned between the oil collecting sleeve frame (3) and the lower piston tube (11).

3. A damping piston according to claim 2, wherein: the diameter of the upper piston pipe (1) is larger than that of the lower piston pipe (11), and the diameter of the oil collecting sleeve frame (3) is larger than that of the upper piston pipe (1).

4. A damping piston according to claim 1, wherein: the liquid level sensor (31) is electrically connected with a power supply of the control hall.

5. A damping piston according to claim 1, wherein: the bottom of the inner wall of the oil collecting sleeve frame (3) is provided with a through oil discharge hole (4), and a fixing plug (41) is sleeved in the oil discharge hole (4) in a threaded manner.

6. A damping piston according to claim 5, wherein: and a sealing ring (42) is embedded in the outer wall of the fixing plug (41), and the outer wall of the sealing ring (42) is sleeved in the oil drain hole (4).

7. A damping piston according to claim 1, wherein: the top of the upper piston pipe (1) is welded with an upper lifting ring (2), and the bottom of the lower piston pipe (11) is welded with a lower lifting ring (21).

8. The damping piston of claim 7, wherein: and lifting holes (22) are formed in the upper lifting ring (2) and the lower lifting ring (21).