CN117662563A - cylinder - Google Patents

Abstract

The embodiment of the application relates to the field of spent fuel treatment, in particular to a cylinder, which comprises: the cylinder body, the piston, the push rod and the pushing piece are fixedly connected with the piston; the piston is arranged in the cylinder body, the position of the pushing piece outside the cylinder body is fixed on the push rod, and the push rod moves between the position inside the cylinder body and the position outside the cylinder body; the cylinder body forms a cylinder cavity, air inlets are respectively arranged at two ends of the cylinder body, and different combinations of gases are respectively provided for the air inlets at the two ends, so that the piston drives the push rod to move; the device also comprises a limit control assembly, wherein the limit control assembly provides a signal at the limit position of the movement of the push rod. The cylinder in the embodiment of the application can safely and reliably drive the object to be driven.

Description

cylinder

Technical field

Embodiments of the present application relate to the field of spent fuel processing, specifically to cylinders.

Background technique

Spent fuel, also known as irradiated nuclear fuel, usually refers to the nuclear fuel used in nuclear reactors. Since spent fuel is still radioactive, it needs to be processed to prevent it from contaminating operators and the outside environment.

Spent fuel processing methods include spent fuel reprocessing. Spent fuel reprocessing is a process performed after the nuclear fuel leaves the reactor. It includes steps such as shearing spent fuel components. When shearing spent fuel components, it is necessary to drive shearing equipment.

Contents of the invention

In view of the above problems, the present application is proposed to provide a cylinder.

Embodiments of the present application provide a cylinder, which includes: a cylinder, a piston, a push rod, and a pushing member. The piston is fixedly connected to the push rod; the piston is arranged in the cylinder, and the pushing member is fixed to the push rod at a position outside the cylinder. , the push rod is set to move between a position inside the cylinder and a position outside the cylinder; the cylinder forms a cylinder cavity, and both ends of the cylinder are respectively provided with air inlets, and through the air inlets at both ends respectively Different combinations of gas are provided so that the piston drives the push rod to move; it also includes a limit control component that provides a signal at the extreme position of the push rod movement.

The cylinder in the embodiment of the present application can safely and reliably drive the object to be driven.

Description of drawings

Figure 1 is a cross-sectional view of a cylinder according to an embodiment of the present application;

Figure 2 is a schematic structural diagram of a cylinder according to an embodiment of the present application;

Figure 3 is a schematic structural diagram of a pushing member according to an embodiment of the present application;

Figure 4 is a schematic structural diagram of a limit control assembly according to an embodiment of the present application;

Figure 5 is a schematic structural diagram of a limit control assembly according to yet another embodiment of the present application;

Figure 6 is a schematic structural diagram of a cylinder according to yet another embodiment of the present application.

In the figure: 1. Cylinder; 10. Cylinder block; 11. Cylinder cavity; 111. First cylinder cavity; 112. Second cylinder cavity; 12. Air inlet; 121. First air inlet; 122. Second air inlet; 20, piston; 30, push rod; 40, pusher; 41, pusher body; 42, limiter; 50, limit control component; 51, valve switch; 511, valve switch trigger part ; 512. Valve switch body; 52. Trigger; 53. Linkage rod; 54. Linkage rod sleeve; 540. Slot; 60. Support component; 61. Lifting eye; 62. Extension piece; 70. Cylinder base.

It should also be noted that the drawings are for convenience only in describing the preferred embodiments and not the present application per se. The drawings do not illustrate every aspect of the described embodiments and do not limit the scope of the application.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with the drawings of the embodiments of the present application. Obviously, the described embodiment is one embodiment of the present application, but not all embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present application.

It should be noted that, unless otherwise defined, the technical terms or scientific terms used in this application should have the usual meanings understood by those with ordinary skills in the field to which this application belongs. If descriptions such as "first" and "second" are involved in the full text, the descriptions such as "first" and "second" are only used to distinguish similar objects and cannot be understood as indicating or implying their relative importance or sequence. The order or implicit indication of the number of technical features indicated should be understood to mean that the data described by "first", "second", etc. can be interchanged under appropriate circumstances. If "and/or" appears in the entire text, it means that it includes three parallel plans. Taking "A and/or B" as an example, it includes plan A, or plan B, or a plan that satisfies both A and B at the same time.

The inventor of this application found that it is usually necessary to drive shearing equipment in a radioactive hot chamber, and the driving equipment including electronic components selected in the prior art is easily damaged by contamination by radioactive rays, affecting the operation of the operator, and the motor The driving equipment is inconvenient for operators to repair and maintain because it is inconvenient to transfer.

To this end, an embodiment of the present application provides a cylinder, as shown in FIG. 1 , a cross-sectional view of a cylinder according to an embodiment of the present application, wherein it includes: a cylinder 10 , a piston 20 , a push rod 30 , and a pusher 40 , the piston 20 is fixedly connected to the push rod 30; the piston 20 is arranged in the cylinder 10, the pushing member 40 is fixed to the push rod 30 at a position outside the cylinder 10, and the push rod 30 is arranged from a position inside the cylinder 10 to the cylinder Movement between positions outside 10; the cylinder 10 forms a cylinder cavity 11. Figure 2 shows a schematic structural diagram of a cylinder according to an embodiment of the present application. In the figure, two ends of the cylinder 10 are respectively provided with inlets. The air hole 12 provides different combinations of gases to the air inlet holes 12 at both ends respectively, so that the piston 20 drives the push rod 30 to move; it also includes a limit control component 50, and the limit control component 50 is at the extreme position of the push rod 30 movement. Provide signal. By controlling the different combinations of gases provided to the air inlet holes 12 at both ends respectively, the operator can control the position at which the object to be driven driven by the cylinder 1 is driven. By providing a signal at the extreme position of the movement of the push rod 30, the operator can determine that the object to be driven driven by the cylinder 1 is at the extreme position, and the operator can stop driving immediately, which enhances the safety of the operation. By controlling the different combinations of gases provided to the air inlets 12 at both ends, and by setting the limit control assembly 50 so that the limit control assembly 50 provides a signal at the extreme position of the push rod 30 movement, it is further ensured that the operator can determine The position of the object to be driven driven by the cylinder 1 prevents the operator from continuing to drive when the object to be driven driven by the cylinder 1 is at the limit position, thereby improving the safety and reliability of the operation.

In some embodiments, the cylinder cavity 11 formed by the cylinder 10 can be divided into a first cylinder cavity 111 and a second cylinder cavity 112 according to the position of the piston 20 . The first cylinder cavity 111 is located from the piston 20 The second cylinder cavity 112 is a cavity from the position of the piston 20 to the other end of the cylinder 10 opposite to the end close to the pushing member 40 . body, the first cylinder cavity 111 and the second cylinder cavity 112 are respectively connected to the air inlet holes 12 provided at both ends of the cylinder 10, and different combinations of the first cylinder cavity 111 and the second cylinder cavity 112 are controlled. The gas generates thrust or pulling force acting on the piston 20 and the push rod 30, thereby pushing out the object to be driven or pulling back the object to be driven.

In some embodiments, as shown in FIG. 2 , the air inlet hole 12 may include a first air inlet hole 121 and a second air inlet hole 122 . The first air inlet hole 121 is provided at an end of the cylinder 10 closer to the pushing member 40 , the second air inlet hole 122 is provided at the opposite end of the cylinder 10 . In some embodiments, the first cylinder cavity 111 is connected to the first air inlet hole 121 , the second cylinder cavity 112 is connected to the second air inlet hole 122 , and the first cylinder cavity is controlled to enter from the first air inlet hole 121 The body 111 and the different combinations of gases entering the second cylinder cavity 112 from the second air inlet hole 122 generate thrust or pulling force on the piston 20 and the push rod 30, thereby pushing out the object to be driven or pulling back the object to be driven. . In some embodiments, the air inlet 12 may adopt a quick-plug structure.

In some embodiments, the object to be driven may be connected through the pusher 40 . In some embodiments, the operator can first connect the object to be driven to the pusher 40, and then control the entry of gas from the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to move until the push rod 30 is pushed. The rod 30 moves to the extreme position of the push rod 30, that is, the object to be driven has moved to the extreme position of the object to be driven. The limit control component 50 provides a signal, and the operator obtains the signal to control the piston 20 to stop moving. Complete a drive operation.

In some embodiments, as shown in FIG. 3 , the pushing member 40 may include a pushing member body 41 and a limiting member 42 . The pushing member body 41 is connected to the push rod 30 , and the limiting member 42 may be disposed on the pushing member body 41 . The two cylinders protruding from the body 41 are used to fix the object to be driven. In some embodiments, the pushing member 40 is connected with the object to be driven, and the limiting member 42 blocks the object to be driven, thereby achieving fixation of the object to be driven.

In some embodiments, both ends of the push rod 30 may be provided with limit control assemblies 50 , and the limit control components 50 provide signals at the extreme positions of the push rod 30's push-out and pull-back movements. In some embodiments, the object to be driven can be connected through the pushing member 40, and the limit control assembly 50 can enable the object to be driven to provide signals at the extreme positions of the push-out and pull-back movements.

In some embodiments, the operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to perform a push-out motion until The push rod 30 moves to the limit position of the push rod 30 push-out movement, that is, the object to be driven has moved to the limit position of the push-out motion of the push rod 30. The limit control component 50 provides a signal, and the operator obtains the signal to control the piston 20. Stop the movement and complete a push-out drive operation. In some embodiments, the operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlet holes 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to perform a pullback movement. Until the push rod 30 moves to the limit position of the pull-back movement of the push rod 30, that is, the object to be driven has moved to the limit position of the pull-back movement of the object to be driven, the limit control component 50 provides a signal, and the operator obtains the signal. The control piston 20 stops moving and a pull-back driving operation is completed.

In some embodiments, the push-out and pull-back driving operations can be combined. The operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlet holes 12 at both ends of the cylinder 10, thereby causing the piston to 20 drives the push rod 30 to perform push-out motion until the push rod 30 moves to the extreme position of the push-out motion of the push rod 30. That is, at this time, the object to be driven has moved to the limit position of the push-out motion of the push rod 30. The limit control component 50 provides signal, the operator obtains the signal and learns that a pushing operation has been completed. At this time, the operator can change the combination of gases in the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to perform a pull-back movement until the push The rod 30 moves to the limit position of the pull-back movement of the push rod 30, that is, the object to be driven has moved to the limit position of the pull-back movement of the push rod 30. The limit control component 50 provides a signal, and the operator obtains the signal to control the piston. 20. Stop the movement and complete a set of push-out and pull-back driving operations.

In some embodiments, multiple pushing and pulling operations can also be completed continuously. The operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlets 12 at both ends of the cylinder 10, and then The piston 20 drives the push rod 30 to perform push-out motion until the push rod 30 moves to the limit position of the push rod 30 push-out motion, that is, at this time, the object to be driven has moved to the limit position of the push-out motion of the push rod 30. The limit control component 50 provides a signal, and the operator obtains the signal and learns that a push-out operation has been completed. At this time, the operator can change the combination of gases in the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to perform a pull-back movement. Until the push rod 30 moves to the limit position of the pull-back movement of the push rod 30, that is, the object to be driven has moved to the limit position of the pull-back movement of the push rod 30, the limit control component 50 provides a signal, and the operator obtains the signal, And it is known that one pull-back operation has been completed, that is, a set of push-out and pull-back operations has been completed. At this time, the operator can change the combination of gases in the air inlets 12 at both ends of the cylinder 10, and then complete the next set of push-out and pull-back operations. Drive operation and repeat this process until all push-out and pull-back operations are completed.

In some embodiments, as shown in FIG. 4 , which is a schematic structural diagram of a limit control assembly according to an embodiment of the present application, the limit control assembly 50 includes a valve switch 51 and a trigger 52 , and the valve switch 51 is provided on the cylinder 10 At the extreme position of the stroke of the push rod 30 , the trigger member 52 is configured to move together with the push rod 30 and trigger the valve switch 51 when it moves to the position of the valve switch 51 .

In some embodiments, due to the entry of gas from the air inlets 12 at both ends of the cylinder 10, the air pressure in the cylinder 10 is relatively high. When the valve switch 51 is triggered, the valve switch 51 will release the pressure, and the valve switch 51 will Provides a signal when pressure is released. In some embodiments, the trigger member 52 moves together with the push rod 30. When the trigger member 52 moves to the position of the valve switch 51, the trigger member 52 triggers the valve switch 51, causing the valve switch 51 to release pressure. The valve switch 51 is releasing pressure. signal is provided.

In some embodiments, the operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to move, and the trigger member 52 moves together with the push rod 30 until the push rod 30 moves to the limit position of the push rod 30 movement, that is, the object to be driven has moved to the limit position of the object to be driven. At this time, the trigger 52 also moves to the valve switch 51 position, the trigger 52 triggers the valve switch 51, causing the valve switch 51 to release pressure. The valve switch 51 provides a signal when the pressure is released. The operator obtains the signal and controls the piston 20 to stop moving, completing a driving operation.

In some embodiments, the valve switch 51 may further include a valve switch triggering part 511 and a valve switch body 512 , and the valve switch triggering part 511 is connected to the valve switch body 512 . In some embodiments, when the valve switch trigger portion 511 is triggered, the valve switch body 512 will release pressure. In some embodiments, the triggering member 52 moves together with the push rod 30 . When the triggering member 52 moves to the position of the valve switch triggering portion 511 , the triggering member 52 triggers the valve switch triggering portion 511 , causing the valve switch body 512 to release pressure.

In some embodiments, the operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to move, and the trigger member 52 moves together with the push rod 30 until the push rod 30 moves to the limit position of the push rod 30 movement, that is, the object to be driven has moved to the limit position of the object to be driven. At this time, the trigger 52 also moves to the valve switch triggering position. The trigger part 52 triggers the valve switch trigger part 511, causing the valve switch body 512 to release pressure. The valve switch 51 provides a signal when the pressure is released. The operator obtains the signal and controls the piston 20 to stop moving, completing a driving operation.

In some embodiments, limit control assemblies 50 may be provided at both ends of the push rod 30 , and valve switches 51 may be provided at both ends of the push rod 30 . In some embodiments, the valve switch 51 may provide a signal for the object to be driven at the extreme positions of push-out and pull-back motion.

In some embodiments, as shown in FIG. 1 , the limit control assembly 50 includes a linkage rod 53 , which is disposed outside the cylinder 10 . The linkage rod 53 is fixedly connected to the pusher 40 so that the pushrod 30 drives the linkage rod. 53 move together; as shown in Figure 5 is a structural schematic diagram of a limit control assembly according to another embodiment of the present application, in which the trigger 52 is fixed to the linkage rod 53.

In some embodiments, the linkage rod 53 and the push rod 30 can have the same length, and the trigger 52 is provided at the end of the linkage rod 53 to ensure that the linkage rod 53 and the push rod 30 can move together, and to ensure that the trigger 52 can trigger the valve. Switch 51. In some embodiments, the triggering member 52 is located at the ends of both ends of the linkage rod 53 .

In some embodiments, the operator can first connect the object to be driven to the push rod 30, and then control the entry of gas from the air inlets 12 at both ends of the cylinder 10, so that the piston 20 drives the push rod 30 to move, and the push rod 30 moves. 30 drives the pushing member 40 to move, and the pushing member 40 drives the linkage rod 53 to move together, and then the pushing member 40 drives the triggering member 52 fixed on the linkage rod 53 to move together, until the push rod 30 moves to the extreme position of the push rod 30 movement, that is, The object to be driven has moved to the extreme position of the object to be driven. At this time, the trigger 52 also moves to the position of the valve switch trigger part 511. The trigger 52 triggers the valve switch trigger part 511, causing the valve switch body 512 to release pressure. The valve switch 51 provides a signal when the pressure is released, and the operator obtains the signal to control the piston 20 to stop moving and complete a driving operation.

In some embodiments, as shown in FIG. 5 , the limit control assembly 50 may also include a linkage rod sleeve 54 . The linkage rod sleeve 54 is fixed to the cylinder 10 and disposed outside the linkage rod 53 . The linkage rod sleeve 54 is provided with a slot 540 along which the trigger 52 moves. By providing the linkage rod cover 54, the linkage rod 53 provided outside the cylinder 10 and the trigger 52 fixed on the linkage rod 53 can be protected from the linkage rod 53 provided outside the cylinder 10 and the trigger 52 fixed on the linkage rod 53. The trigger piece 52 on the cylinder is damaged due to radioactive ray contamination, thereby extending the service life of the cylinder 1. By providing a groove 540 on the side of the linkage rod sleeve 54, the trigger 52 can contact the valve switch 51, and the trigger 52 moves along the groove 540, which can enhance the smoothness of the movement of the trigger 52 and improve the operation of the cylinder 1. the fluency.

In some embodiments, the cylinder 1 may also include a plurality of support assemblies 60 that are fixedly connected to the cylinder 10 and used to support the cylinder on an external device.

In some embodiments, the support assembly 60 includes a lifting lug 61 and an extension piece 62. The lifting lug 61 is fixed to the extension piece 62, the extension piece 62 is fixed to the cylinder 10, and the extension piece 62 protrudes from the lifting lug 61 in a predetermined direction. .

In some embodiments, as shown in FIG. 1 , four lifting lugs 61 and four extension pieces 62 can be fixedly connected to the cylinder 10 to enhance the stability of the cylinder 1 during operation. Figure 6 shows a schematic structural diagram of a cylinder according to yet another embodiment of the present application, in which lifting lugs 61 and extension pieces 62 are respectively fixed on both sides of the cylinder 10.

In some embodiments, the cylinder 1 also includes a cylinder base 70 . The cylinder base 70 is provided at both ends of the cylinder 10 . By providing the cylinder base 70 , the structural stability of the cylinder 1 can be enhanced and prevent damage within the cylinder 1 . Various components are damaged due to contamination by radioactive rays.

In some embodiments, the cylinder 1 cooperates with a pneumatic control device. The pneumatic control device is arranged outside the hot chamber. The pneumatic control device controls the air entering the cylinder 1 according to the signal provided by the limit control component 50 and the predetermined control signal. Gas control. By coordinating the cylinder 1 with the air circuit control device, the cylinder 1 can be remotely controlled to drive the object to be driven.

In some embodiments, the operator can control cylinder 1 to drive the shear system in the radioactive hot chamber to shear the ends of spent fuel. In some embodiments, the operator can connect the end receiving device of the shearing machine system through the pushing member 40, and fix the end receiving device through the limiting member 42 on the pushing member 40, and then through the predetermined position in the air path control device. The control signal controls the gas entering the first cylinder cavity 111 from the first air inlet hole 121 and the second cylinder cavity 112 from the second air inlet hole 122 to generate thrust acting on the piston 20 and the push rod 30, thereby causing the piston to 20 drives the push rod 30 to perform push-out motion until the push rod 30 moves to the extreme position of the push-out motion of the push rod 30, that is, at this time, the end receiving device has moved to the extreme position of the push-out motion of the end receiving device, that is, the end receiving station , the limit control component 50 provides a signal, and the air path control device obtains the signal and learns that a push-out operation has been completed. At this time, the predetermined control signal in the air path control device can control the entry from the first air inlet 121 into the first cylinder cavity. 111 and the gas entering the second cylinder cavity 112 from the second air inlet hole 122 changes, thereby causing the piston 20 to drive the push rod 30 to perform a pull-back movement until the push rod 30 moves to the limit position of the push rod 30's pull-back movement, that is, At this time, the end receiving device has moved to the limit position of the end receiving device's pull-back movement, that is, the transfer station. The limit control component 50 provides a signal, and the air path control device obtains the signal and is informed that a set of push-out and pull-back has been completed. The driving operation controls the piston 20 to stop moving, thereby realizing the transfer of the end receiving device between the end receiving station and the transfer station. The cylinder 1 in the embodiment of the present application can realize long-distance and automatic control of material transfer in a radioactive hot chamber, and is easy to disassemble, inspect and maintain, has high structural strength and is convenient to use.

The present invention has been described in detail above in conjunction with the accompanying drawings and embodiments. However, the present invention is not limited to the above-mentioned embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various modifications can be made without departing from the purpose of the present invention. kind of change. Contents not described in detail in the present invention can be implemented using existing technologies.

Claims (8)

1. A cylinder, characterized by comprising:

the device comprises a cylinder body, a piston, a push rod and a pushing piece, wherein the piston is fixedly connected with the push rod; the piston is arranged in the cylinder body, the position of the pushing piece outside the cylinder body is fixed on the push rod, and the push rod is arranged to move between the position in the cylinder body and the position outside the cylinder body;

the cylinder body forms a cylinder cavity, air inlets are respectively arranged at two ends of the cylinder body, and different combinations of gases are respectively provided for the air inlets at the two ends, so that the piston drives the push rod to move;

the device also comprises a limit control assembly, wherein the limit control assembly provides a signal at the limit position of the movement of the push rod.

2. The cylinder according to claim 1, wherein,

the limit control component comprises a valve switch and a trigger piece, the valve switch is arranged at the limit position of the stroke of the push rod of the cylinder body,

the trigger member is configured to move with the push rod and trigger the valve switch at a position moved to the valve switch.

3. The cylinder according to claim 2, wherein,

the limiting control assembly comprises a linkage rod, the linkage rod is arranged outside the cylinder body, and the linkage rod is fixedly connected with the pushing piece, so that the pushing rod drives the linkage rod to move together;

the trigger piece is fixed on the linkage rod.

4. The cylinder according to claim 3, wherein,

the limit control assembly also comprises a linkage rod sleeve which is fixed on the cylinder body and arranged outside the linkage rod,

the side of the linkage rod sleeve is provided with a groove, and the trigger piece moves along the groove.

5. A cylinder according to any one of claims 1 to 4, wherein,

the cylinder is characterized by further comprising a plurality of support assemblies, wherein the support assemblies are fixedly connected with the cylinder body and are used for supporting the cylinder on an external device.

6. The cylinder according to claim 5, wherein,

the support assembly comprises a lifting lug and an extension piece, wherein the lifting lug is fixed on the extension piece, the extension piece is fixed on the cylinder body, and the extension piece protrudes out of the lifting lug in a preset direction.

7. The cylinder of claim 1, further comprising cylinder bases disposed at both ends of the cylinder block.

8. The cylinder according to claim 2, wherein,

the air cylinder is matched with an air path control device, the air path control device is arranged outside the hot chamber,

and the gas path control device controls the gas entering the cylinder according to the signal provided by the limit control assembly and a preset control signal.