阅读说明：本技术 一种双向调节速度控制器 (Bidirectional speed regulation controller ) 是由 郭超 于 2020-06-19 设计创作，主要内容包括：本发明涉及一种双向调节速度控制器,包括：内腔室、外腔室、活塞杆及活塞头、泡沫蓄能器,第一管路设有第一调节阀；第二管路设置有单向调节阀,第三管路设有第二调节阀。活塞杆压缩时,单向调节阀封堵第二管路,第二内腔中的液压油经第三管路及第二调节阀进入外腔室,泡沫蓄能器体积被压缩,液压油经第一调节阀及第一管路,进入第一内腔；当活塞杆拉伸时,单向调节阀打开,第一内腔中的液压油经第一管路、第一调节阀进入外腔室,压缩泡沫蓄能器,外腔室中的液压油同时经第二管路、单向调节阀以及第三管路、第二调节阀进入第二内腔。这种结构的双向调节速度控制器,其实现了控制调节活塞杆的运动速度快慢,平稳性及缓冲性能较高,同时结构紧凑。(The invention relates to a bidirectional regulating speed controller, comprising: the first pipeline is provided with a first regulating valve; the second pipeline is provided with a one-way regulating valve, and the third pipeline is provided with a second regulating valve. When the piston rod is compressed, the one-way regulating valve blocks the second pipeline, hydraulic oil in the second inner cavity enters the outer cavity through the third pipeline and the second regulating valve, the volume of the foam energy accumulator is compressed, and the hydraulic oil enters the first inner cavity through the first regulating valve and the first pipeline; when the piston rod stretches, the one-way regulating valve is opened, hydraulic oil in the first inner cavity enters the outer cavity through the first pipeline and the first regulating valve to compress the foam energy accumulator, and hydraulic oil in the outer cavity simultaneously enters the second inner cavity through the second pipeline, the one-way regulating valve, the third pipeline and the second regulating valve. The bidirectional adjusting speed controller with the structure realizes the control of the speed of the movement of the adjusting piston rod, has higher stability and buffering performance, and has compact structure.)

1. A bi-directionally regulated speed controller comprising: the piston rod is arranged in the inner chamber, one end of the piston rod is connected with the piston head, and the other end of the piston rod penetrates through and hermetically extends out of the inner chamber; the piston head is divided in a sliding sealing mode, the inner cavity is provided with a first inner cavity for accommodating the piston rod and a second inner cavity located on the other side, and the piston head is characterized in that:

a foam energy accumulator is sleeved in the outer cavity, a first pipeline communicated with the outer cavity is arranged at one end, far away from the piston head, of the first inner cavity, and a first regulating valve is arranged on the first pipeline, close to the outer cavity; fluid within the first inner chamber flows through the first conduit to the outer chamber;

the second inner cavity is respectively communicated with a second pipeline and a third pipeline, the second pipeline is provided with a one-way regulating valve, and the piston rod is compressed to be close to the one-way regulating valve to plug the second pipeline; the piston rod stretches to the one-way regulating valve to be far away from the one-way regulating valve and is communicated with the second pipeline; the second pipeline is communicated with the outer chamber; the third pipeline is connected with the outer chamber, and a second regulating valve is arranged on the third pipeline and close to the outer chamber.

2. A bi-directional speed controller as set forth in claim 1 including:

the inner cylinder body is provided with an inner chamber;

the outer cylinder body is sleeved outside the inner cylinder body, the outer cavity is positioned between the outer wall of the inner cylinder body and the inner wall of the outer cylinder body, and the inner cavity, the outer cylinder body and the piston rod are positioned on the same axis; the foam energy accumulator is fixedly sleeved outside the inner cylinder body;

the piston rod penetrates through the front end cover in a sliding mode and extends out of the front end cover, and the front end cover is fixed at one end of the inner cylinder body and one end of the outer cylinder body in a sealing mode;

the rear end cover is fixed at the other ends of the inner cylinder body and the outer cylinder body in a sealing mode, the first pipeline and the first regulating valve are arranged in the front end cover, and the second pipeline, the third pipeline, the second regulating valve and the one-way regulating valve are arranged in the rear end cover respectively.

3. The bi-directional regulator speed controller of claim 2, wherein said first regulator valve and said second regulator valve are rotary screw type regulator valves.

4. A bi-directional speed controller according to claim 2, wherein the inner cylinder has internal threads at both ends thereof, the front cover and the rear cover have external threads matching the internal threads of the inner cylinder, the front cover and the rear cover are respectively connected to the inner cylinder by threads, and sealing rings are further provided between the front cover, the rear cover and the outer cylinder.

5. A bi-directional speed regulator as set forth in claim 4, wherein said front end cap has a wiper and a rod seal mounted therein, said wiper and said rod seal being disposed on said piston rod.

6. The bidirectional speed controller as recited in claim 2, wherein said unidirectional adjusting valve comprises a steel ball and a steel ball receiving cavity, said steel ball is movably disposed in said steel ball receiving cavity, a pin for limiting said steel ball is disposed at an end of said steel ball receiving cavity, a diameter of said steel ball is larger than a diameter of said second pipeline for unidirectional plugging of said second pipeline.

7. A bi-directional speed controller as set forth in claim 2 wherein a piston head seal is secured between said piston head outer portion and said inner cylinder.

8. A bi-directional speed controller as set forth in claim 2 wherein said piston rod is bolted to said piston head.

9. The dual-adjustable speed controller of claim 2, wherein the rear end cap further defines an oil filler hole, the oil filler hole communicating with the second conduit, the oil filler hole being threadably sealingly engaged by an oil filler bolt.

Technical Field

The invention relates to a bidirectional speed regulating controller, and belongs to the technical field of hydraulic equipment.

Background

The design requirement of the bidirectional adjustable speed controller can meet the requirement of controlling the movement speed of mechanical equipment in the stroke range of the piston rod, realizing stable and controllable mechanical operation and realizing the adjustment of the running speed of the piston rod in two directions of stretching and compressing through flow regulation. Meanwhile, aiming at the occasions meeting the requirement of large buffer force, the buffer performance and stability are ensured to be enough, and the design is compact as much as possible.

Disclosure of Invention

The invention aims to provide a bidirectional speed adjusting controller which can control the speed of movement of an adjusting piston rod, has higher stability and buffering performance and has a compact structure.

A bi-directionally regulated speed controller comprising: the piston rod is arranged in the inner chamber, one end of the piston rod is connected with the piston head, and the other end of the piston rod penetrates through and hermetically extends out of the inner chamber; the piston head divides the inner chamber into a first inner chamber for accommodating the piston rod and a second inner chamber on the other side,

a foam energy accumulator is sleeved in the outer chamber, a first pipeline communicated with the outer chamber is arranged at one end, far away from the piston head, of the first inner chamber, and a first regulating valve is arranged on the first pipeline, close to the outer chamber; the fluid in the first inner cavity flows to the outer cavity through the first pipeline;

the second inner cavity is respectively communicated with a second pipeline and a third pipeline, the second pipeline is provided with a one-way regulating valve, and the piston rod is compressed to be close to the one-way regulating valve to plug the second pipeline; the piston rod stretches to the one-way regulating valve to be far away from the one-way regulating valve and is communicated with the second pipeline; the second pipeline is communicated with the outer chamber; the third pipeline is connected with the outer chamber, and a second regulating valve is arranged on the third pipeline close to the outer chamber.

When the piston rod is compressed, the one-way regulating valve blocks the second pipeline, hydraulic oil in the second inner cavity enters the outer cavity through the third pipeline and the second regulating valve, meanwhile, the volume of the foam energy accumulator in the outer cavity is compressed, and the hydraulic oil in the outer cavity enters the first inner cavity through the first regulating valve and the first pipeline; when the piston rod stretches, the one-way regulating valve is opened, hydraulic oil in the first inner cavity enters the outer cavity through the first pipeline and the first regulating valve to compress the foam energy accumulator, and hydraulic oil in the outer cavity simultaneously enters the second inner cavity through the second pipeline, the one-way regulating valve, the third pipeline and the second regulating valve. The bidirectional adjusting speed controller with the structure realizes the control of the speed of the movement of the adjusting piston rod, has higher stability and buffering performance, and has compact structure.

Further, in order to promote the compactness, guarantee that stationarity and shock-absorbing capacity are higher simultaneously, this two-way regulation speed controller includes:

the inner cylinder body is provided with an inner chamber;

the outer cylinder body is sleeved outside the inner cylinder body, the outer cavity is positioned between the outer wall of the inner cylinder body and the inner wall of the outer cylinder body, and the inner cavity, the outer cylinder body and the piston rod are positioned on the same axis; the foam energy accumulator is fixedly sleeved outside the inner cylinder body;

the front end cover is penetrated through and extended out by the piston rod in a sliding way and is fixed at one end of the inner cylinder body and one end of the outer cylinder body in a sealing way;

the rear end cover is fixed at the other ends of the inner cylinder body and the outer cylinder body in a sealing mode, the first pipeline and the first regulating valve are arranged in the front end cover, and the second pipeline, the third pipeline, the second regulating valve and the one-way regulating valve are arranged in the rear end cover respectively.

Further, the first regulating valve and the second regulating valve are rotary screw type regulating valves.

Further, in order to improve the compactness and ensure higher stability and buffering performance, the two ends of the inner cylinder body are provided with internal threads, the front end cover and the rear end cover are provided with external threads matched with the internal threads of the inner cylinder body, the front end cover and the rear end cover are respectively in threaded connection with the inner cylinder body, and sealing rings are further arranged between the front end cover and the outer cylinder body.

Further, in order to guarantee sealing and improve stability, a dustproof ring and a rod seal are installed in the front end cover, and the dustproof ring and the rod seal sleeve are arranged on the piston rod.

Further, in order to improve the structural compactness and ensure higher stability and buffering performance, the one-way regulating valve comprises a steel ball and a steel ball accommodating cavity, the steel ball is movably arranged in the steel ball accommodating cavity, a pin for limiting the steel ball is arranged at the end part of the steel ball accommodating cavity, and the diameter of the steel ball is larger than the pipe diameter of the second pipeline and used for blocking the second pipeline in a one-way mode.

Furthermore, in order to ensure sealing and improve stability, a piston head sealing ring is fixedly sleeved between the outside of the piston head and the inner cylinder body.

Further, the piston rod is connected with the piston head through a bolt.

Furthermore, in order to facilitate oil injection and oil discharge, the rear end cover is also provided with an oil injection hole, the oil injection hole is communicated with the second pipeline, and the oil injection hole is in threaded sealing connection with an oil injection bolt.

The invention relates to a bidirectional regulating speed controller, comprising: the piston rod is arranged in the inner chamber, one end of the piston rod is connected with the piston head, and the other end of the piston rod penetrates through and hermetically extends out of the inner chamber; the piston head divides the inner chamber into a first inner chamber for accommodating the piston rod and a second inner chamber which is relatively positioned at the other side in a sliding and sealing manner, a foam energy accumulator is sleeved at the outer chamber, a first pipeline communicated with the outer chamber is arranged at one end, far away from the piston head, of the first inner chamber, and a first regulating valve is arranged on the first pipeline and close to the outer chamber; the fluid in the first inner cavity flows to the outer cavity through the first pipeline; the second inner cavity is respectively communicated with a second pipeline and a third pipeline, the second pipeline is provided with a one-way regulating valve, and the piston rod is compressed to be close to the one-way regulating valve to plug the second pipeline; the piston rod stretches to the one-way regulating valve to be far away from the one-way regulating valve and is communicated with the second pipeline; the second pipeline is communicated with the outer chamber; the third pipeline is connected with the outer chamber, and a second regulating valve is arranged on the third pipeline close to the outer chamber. When the piston rod is compressed, the one-way regulating valve blocks the second pipeline, hydraulic oil in the second inner cavity enters the outer cavity through the third pipeline and the second regulating valve, meanwhile, the volume of the foam energy accumulator in the outer cavity is compressed, and the hydraulic oil in the outer cavity enters the first inner cavity through the first regulating valve and the first pipeline; when the piston rod stretches, the one-way regulating valve is opened, hydraulic oil in the first inner cavity enters the outer cavity through the first pipeline and the first regulating valve to compress the foam energy accumulator, and hydraulic oil in the outer cavity simultaneously enters the second inner cavity through the second pipeline, the one-way regulating valve, the third pipeline and the second regulating valve. The bidirectional adjusting speed controller with the structure realizes the control of the speed of the movement of the adjusting piston rod, has higher stability and buffering performance, and has compact structure.

Drawings

Fig. 1 is a schematic structural diagram of a bidirectional speed controller according to an embodiment of the present invention.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

As shown in fig. 1, a bidirectional speed controller includes: the inner cavity is internally provided with a movable piston rod 4 and a piston head 5, one end of the piston rod 4 is connected with the piston head 5, and the other end of the piston rod 4 penetrates through and hermetically extends out of the inner cavity; the piston head 5 divides the inner chamber into a first inner chamber 1 for accommodating the piston rod 4 and a second inner chamber 2 which is relatively positioned at the other side in a sliding and sealing manner, a foam energy accumulator 6 is sleeved at the outer chamber 3, a first pipeline 7 communicated with the outer chamber 3 is arranged at one end of the first inner chamber 1 far away from the piston head 5, and a first regulating valve 8 is arranged on the first pipeline 7 close to the outer chamber 3; the fluid in the first inner cavity 1 flows to the outer cavity 3 through the first pipeline 7; the second inner cavity 2 is respectively communicated with a second pipeline 9 and a third pipeline 10, the second pipeline 9 is provided with a one-way regulating valve 11, the piston rod 4 is compressed to be close to the one-way regulating valve 11, and the second pipeline 9 is blocked; the piston rod 4 is extended to the one-way regulating valve 11 to be far away, and is communicated with the second pipeline 9; the second pipe 9 is communicated with the outer chamber 3; the third pipeline 10 is connected to the outer chamber 3, and a second regulating valve 12 is disposed on the third pipeline 10 and close to the outer chamber 3. When the piston rod 4 is compressed, the one-way regulating valve 11 blocks the second pipeline 9, hydraulic oil in the second inner cavity 2 enters the outer cavity 3 through the third pipeline 10 and the second regulating valve 12, meanwhile, the volume of the foam energy accumulator 6 in the outer cavity 3 is compressed, and the hydraulic oil in the outer cavity 3 enters the first inner cavity 1 through the first regulating valve 8 and the first pipeline 7; when the piston rod 4 is stretched, the one-way regulating valve 11 is opened, hydraulic oil in the first inner cavity 1 enters the outer cavity 3 through the first pipeline 7 and the first regulating valve 8, the foam energy accumulator 6 is compressed, and hydraulic oil in the outer cavity 3 simultaneously enters the second inner cavity 2 through the second pipeline 9, the one-way regulating valve 11, the third pipeline 10 and the second regulating valve 12. The bidirectional regulating speed controller with the structure realizes the control of the speed of the movement of the regulating piston rod 4, has higher stability and buffering performance and has compact structure.

As shown in fig. 1, the bidirectional speed controller includes an inner cylinder 13, the inner chamber is disposed in the inner cylinder 13; the outer cylinder body 14 is sleeved outside the inner cylinder body 13, the outer cavity 3 is positioned between the outer wall of the inner cylinder body 13 and the inner wall of the outer cylinder body 14, and the inner cavity, the outer cylinder body 14 and the piston rod 4 are positioned on the same axis; the foam energy accumulator 6 is fixedly sleeved outside the inner cylinder body 13; the front end cover 15, the piston rod 4 slides through and extends out of the front end cover 15, the front end cover 15 is fixed on one end of the inner cylinder body 13 and one end of the outer cylinder body 14 in a sealing way; the rear end cover 16 is fixed at the other ends of the inner cylinder 13 and the outer cylinder 14 in a sealing manner, the first pipeline 7 and the first regulating valve 8 are arranged in the front end cover 15, and the second pipeline 9, the third pipeline 10, the second regulating valve 12 and the one-way regulating valve 11 are respectively arranged in the rear end cover 16.

The first regulating valve 8 and the second regulating valve 12 are rotary screw type regulating valves. The principle of the rotary screw type regulating valve is that the regulating bolt can be locked, and the flow of hydraulic oil in a pipeline is controlled by the screwing depth of the thread of the regulating bolt into the pipeline.

In order to improve the structure compactness and ensure higher stability and buffering performance, the two ends of the inner cylinder body 13 are provided with internal threads, the front end cover 15 and the rear end cover 16 are provided with external threads matched with the internal threads of the inner cylinder body 13, the front end cover 15 and the rear end cover 16 are respectively in threaded connection with the inner cylinder body 13, and a sealing ring 17 is further arranged between the front end cover 15 and the outer cylinder body 14, and the rear end cover 16 is in threaded connection with the inner cylinder body 13.

In order to ensure sealing and improve stability, a dust ring 18 and a rod seal 19 are installed in the front end cover 15, and the dust ring 18 and the rod seal 19 are sleeved on the piston rod 4.

In order to improve the structural compactness and ensure higher stability and buffering performance, the one-way regulating valve 11 comprises a steel ball 111 and a steel ball accommodating cavity 112, the steel ball 111 is movably arranged in the steel ball accommodating cavity 112, a pin 113 for limiting the steel ball 111 is arranged at the end part of the steel ball accommodating cavity, and the diameter of the steel ball 111 is larger than the pipe diameter of the second pipeline 9 and is used for one-way plugging of the second pipeline 9.

In order to ensure sealing and improve stability, a piston head sealing ring 20 is fixedly sleeved between the outer part of the piston head 5 and the inner cylinder body 13. The piston rod 4 is bolted to the piston head 5.

In order to facilitate oil filling and oil discharging, the rear end cover 16 is further provided with an oil filling hole 21, the oil filling hole 21 is communicated with the second pipeline 9, and an oil filling bolt 22 is connected with the oil filling hole 21 in a threaded sealing mode.

The above description is for the purpose of illustrating embodiments of the invention and is not intended to limit the invention, and it will be understood by those skilled in the art that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.