CN210423230U - Water cannon lift cylinder - Google Patents

Water cannon lift cylinder Download PDF

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Publication number
CN210423230U
CN210423230U CN201921295507.9U CN201921295507U CN210423230U CN 210423230 U CN210423230 U CN 210423230U CN 201921295507 U CN201921295507 U CN 201921295507U CN 210423230 U CN210423230 U CN 210423230U
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China
Prior art keywords
cylinder body
piston
oil inlet
cylinder
piston rod
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Active
Application number
CN201921295507.9U
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Chinese (zh)
Inventor
刘洪�
张庚娣
徐�明
谢建武
姜川
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JIANGSU LONGCHENG HONGLI HYDRAULIC EQUIPMENT CO Ltd
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JIANGSU LONGCHENG HONGLI HYDRAULIC EQUIPMENT CO Ltd
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Priority to CN201921295507.9U priority Critical patent/CN210423230U/en
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Abstract

The utility model relates to a water cannon lift cylinder, which comprises a cylinder body; a cylinder bottom is fixed at one end of the cylinder body; a through hole through which the water pipe body passes is formed in the cylinder bottom; an annular groove is formed in the inner side of the cylinder bottom; one end of the guide rod is fixed in the annular groove, and the other end of the guide rod is fixedly connected with the outer wall of the water pipe body through a first sealing element; a piston rod is arranged between the cylinder body and the guide rod, and a piston is arranged at the end part of the piston rod; a second sealing element which is positioned at the other end of the cylinder body and is connected with the piston rod in a sealing way; a first oil inlet pipe is arranged on the cylinder bottom; a second oil inlet pipe is arranged on the side wall of the cylinder body, and an oil inlet of the second oil inlet pipe is close to the end part of the second sealing element; through set up the guide bar in the cylinder body, be located and set up the piston rod between guide bar and the cylinder body, hydraulic oil gets into the enclosure space of guide bar and cylinder body through first oil inlet, acts on the piston terminal surface, promotes the linear motion of piston rod, and hydraulic oil gets into through the second oil inlet to act on another terminal surface of piston, promote the piston rod return.

Description

Water cannon lift cylinder
Technical Field
The utility model relates to a fire control field specifically is a water cannon lift cylinder.
Background
The water cannon can carry out continuous large-flow long-range operation on a fire scene, and plays an irreplaceable role in actual combat. With the progress of science and technology, industrial equipment tends to be large-sized and huge, and particularly in fire scenes of special places such as chemical areas, wharfs and the like, water cannons become one of few equipment capable of effectively performing fire extinguishing operation. In current water cannon, water cannon often does not have flexible function, can't aim at higher or more remote source of a fire with the nozzle and put out a fire, and the flexible water cannon that adopts multistage piston rod often goes up and down slower, can't be quick aims at the source of a fire with the nozzle and puts out a fire, how to realize the quick lift of one-level of water cannon to aim at the source of a fire with the nozzle becomes the problem that this company researcher urgently needed to solve.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to realize the first-level rapid lifting of the water cannon;
in order to solve the technical problems: the utility model adopts the following technical scheme:
the utility model relates to a water cannon lifting cylinder, which comprises a cylinder body and a cylinder bottom;
one end of the cylinder body is fixedly provided with a cylinder bottom;
a through hole through which the water pipe body passes is formed in the cylinder bottom along the axial direction;
the through hole is used for placing a water pipe and communicated with the cylinder body.
An annular groove is arranged on the inner side of the cylinder bottom, and the axis of the annular groove is collinear with the axis of the cylinder body;
one end of the guide rod is fixed in the annular groove, and the other end of the guide rod is fixedly connected with the outer wall of the water pipe body through a first sealing element;
that is, the annular groove and the through hole are concentrically arranged; the annular groove is used for fixing one end of a guide rod, and the other end of the guide rod is connected with the outer wall of the water pipe in a sealing mode through a first sealing element; the piston rod is driven to do linear motion along the guide rod under the action of the guide rod.
A piston rod is arranged between the inner wall of the cylinder body and the outer wall of the guide rod, and a piston is arranged at the end part of the piston rod;
when the piston rod moves, the inner ring surface of the piston is in sealing connection with the outer wall of the guide rod and generates dynamic friction, and the outer ring surface of the piston is in sealing connection with the inner wall of the cylinder body and generates dynamic friction;
a movable piston rod is arranged between the cylinder body and the guide rod, a piston is arranged at the end part of the piston rod and close to one end of the cylinder bottom, the piston is hermetically connected with the cylinder body and the guide rod, and when the piston moves, the piston generates dynamic friction with the guide rod and the cylinder body.
In addition, the first sealing element is fixedly arranged between the water pipe and the piston rod, and one end of the guide rod is fixedly connected with the first sealing element, so that the guide rod is fixed.
The effect of first sealing member can enough fix the one end of guide bar, can prevent again that debris from falling into between guide bar and the piston rod to influence the motion of piston rod.
A second sealing element which is positioned at the other end of the cylinder body and is connected with the piston rod in a sealing way;
the second sealing member prevents impurities from falling between the piston rod and the cylinder body from the top of the cylinder body.
A first oil inlet pipe is arranged on the side wall of the cylinder bottom, and hydraulic oil enters a space formed by the cylinder body and the guide rod from the first oil inlet pipe and pushes the piston to do linear motion;
the first oil inlet is positioned on the side wall of the cylinder bottom, hydraulic oil enters between the cylinder body and the guide rod through the side wall of the cylinder bottom and acts on the end face of the piston to push the piston to move along the guide rod and drive the piston rod to move.
A second oil inlet pipe is arranged on the side wall of the cylinder body, and an oil inlet of the second oil inlet pipe is close to the end part of the second sealing element and pushes the piston to do reverse linear motion;
the second advances oil pipe oil feed and is used for carrying out the return with the piston rod, and second sealing member seal piston rod and cylinder body prevent that hydraulic oil storage from in second sealing member tip department, can't discharging unnecessary hydraulic oil, and the second advances oil pipe setting and is being close to second sealing member tip department.
For the convenient flow direction of control hydraulic oil to the work or the return of actuating piston rod, the utility model discloses a second advances oil pipe and is connected with defeated oil pipe, and defeated oil pipe's the other end is close to the oil inlet department that first advances oil pipe, and the second advances oil pipe like this and advances oil pipe and be close to first advance oil pipe through defeated oil pipe, and the connection of the follow-up control mechanism of being convenient for is to the oil feed of corresponding oil pipe or the control of unloading.
The utility model has the advantages that: the utility model relates to a water cannon lift cylinder through set up the guide bar in the cylinder body, is located to set up the piston rod between guide bar and the cylinder body, and hydraulic oil gets into the enclosure space of guide bar and cylinder body through first oil inlet to act on the piston end face, promote the linear motion of piston rod, hydraulic oil gets into the enclosure space of guide bar and cylinder body through the second oil inlet, and acts on another terminal surface of piston, promotes the piston rod return.
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 an enlarged view at A of FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
in the figure: 1-cylinder body, 2-cylinder bottom, 3-water pipe, 4-annular groove, 5-guide rod, 6-first sealing element, 7-piston rod, 8-piston, 9-second sealing element, 10-first oil inlet pipe, 11-second oil inlet pipe and 12-oil delivery pipe.
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. 1-3, the utility model relates to a water cannon lifting cylinder, which comprises a cylinder body 1 and a cylinder bottom 2;
one end of the cylinder body 1 is fixedly provided with a cylinder bottom 2;
as shown in fig. 2, a through hole through which the body of the water pipe 3 passes is formed in the cylinder bottom 2 along the axial direction;
the through hole is used for placing a water pipe and communicated with the cylinder body.
As shown in fig. 2, an annular groove 4 is arranged on the inner side of the cylinder bottom 2, and the axis of the annular groove 4 is collinear with the axis of the cylinder body 1;
one end of a guide rod 5 is fixed in the annular groove 4, and the other end of the guide rod 5 is fixedly connected with the outer wall of the water pipe 3 through a first sealing element 6;
that is, the annular groove and the through hole are concentrically arranged; the annular groove is used for fixing one end of a guide rod, and the other end of the guide rod is connected with the outer wall of the water pipe in a sealing mode through a first sealing element; the piston rod is driven to do linear motion along the guide rod under the action of the guide rod.
As shown in fig. 2, a piston rod 7 is arranged between the inner wall of the cylinder 1 and the outer wall of the guide rod 5, and a piston 8 is arranged at the end of the piston rod 7;
when the piston rod moves, the inner ring surface of the piston 8 is in sealing connection with the outer wall of the guide rod 5 and generates dynamic friction, and the outer ring surface of the piston 8 is in sealing connection with the inner wall of the cylinder body 1 and generates dynamic friction;
a movable piston rod is arranged between the cylinder body and the guide rod, a piston is arranged at the end part of the piston rod and close to one end of the cylinder bottom, the piston is hermetically connected with the cylinder body and the guide rod, and when the piston moves, the piston generates dynamic friction with the guide rod and the cylinder body.
As shown in fig. 3, in addition, the first sealing member is fixedly arranged between the water pipe and the piston rod, and one end of the guide rod is fixedly connected with the first sealing member, so that the guide rod is fixed.
The effect of first sealing member can enough fix the one end of guide bar, can prevent again that debris from falling into between guide bar and the piston rod to influence the motion of piston rod.
As shown in fig. 3, a second sealing member 9 which is connected with the piston rod 7 in a sealing way is arranged at the other end of the cylinder 1;
the second sealing member prevents impurities from falling between the piston rod and the cylinder body from the top of the cylinder body.
A first oil inlet pipe 10 is arranged on the side wall of the cylinder bottom 2, hydraulic oil enters a space formed by the cylinder body 1 and the guide rod 5 from the first oil inlet pipe 10, and the piston 8 is pushed to do linear motion;
the first oil inlet is positioned on the side wall of the cylinder bottom, hydraulic oil enters between the cylinder body and the guide rod through the side wall of the cylinder bottom and acts on the end face of the piston to push the piston to move along the guide rod and drive the piston rod to move.
A second oil inlet pipe 11 is arranged on the side wall of the cylinder body 1, and an oil inlet of the second oil inlet pipe 11 is close to the end part of the second sealing element 9 and pushes the piston 8 to do reverse linear motion;
the second advances oil pipe oil feed and is used for carrying out the return with the piston rod, and second sealing member seal piston rod and cylinder body prevent that hydraulic oil storage from in second sealing member tip department, can't discharging unnecessary hydraulic oil, and the second advances oil pipe setting and is being close to second sealing member tip department.
As shown in fig. 1, for the convenient flow direction of control hydraulic oil to drive piston rod's work or return, the utility model discloses a second advances oil pipe 11 and is connected with defeated oil pipe 12, and defeated oil pipe 12's the other end is close to the oil inlet department of first oil pipe 10, and the second advances oil pipe like this and is close to first oil pipe through defeated oil pipe, and the connection of the follow-up control mechanism of being convenient for is to the oil feed of corresponding oil pipe or the control of unloading.
The utility model relates to a water cannon lift cylinder through set up the guide bar in the cylinder body, is located to set up the piston rod between guide bar and the cylinder body, and hydraulic oil gets into the enclosure space of guide bar and cylinder body through first oil inlet to act on the piston end face, promote the linear motion of piston rod, hydraulic oil gets into the enclosure space of guide bar and cylinder body through the second oil inlet, and acts on another terminal surface of piston, promotes the piston rod return.
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. A water cannon lift cylinder which is characterized in that: comprises a cylinder body and a cylinder bottom;
a cylinder bottom is fixedly arranged at one end of the cylinder body;
a through hole through which the water pipe body penetrates is formed in the cylinder bottom along the axial direction;
an annular groove is formed in the inner side of the cylinder bottom, and the axis of the annular groove is collinear with the axis of the cylinder body;
one end of the guide rod is fixed in the annular groove, and the other end of the guide rod is fixedly connected with the outer wall of the water pipe body through a first sealing element;
a piston rod is arranged between the inner wall of the cylinder body and the outer wall of the guide rod, and a piston is arranged at the end part of the piston rod;
when the piston rod moves, the inner ring surface of the piston is in sealing connection with the outer wall of the guide rod and generates dynamic friction, and the outer ring surface of the piston is in sealing connection with the inner wall of the cylinder body and generates dynamic friction;
a second sealing element which is positioned at the other end of the cylinder body and is connected with the piston rod in a sealing way is arranged;
a first oil inlet pipe is arranged on the side wall of the cylinder bottom, and hydraulic oil enters a space formed by the cylinder body and the guide rod from the first oil inlet pipe and pushes the piston to do linear motion;
and a second oil inlet pipe is arranged on the side wall of the cylinder body, and an oil inlet of the second oil inlet pipe is close to the end part of the second sealing element and pushes the piston to do reverse linear motion.
2. The water cannon lift cylinder of claim 1, wherein: the second oil inlet pipe is connected with an oil delivery pipe, and the other end of the oil delivery pipe is close to the oil inlet of the first oil inlet pipe.
CN201921295507.9U 2019-08-09 2019-08-09 Water cannon lift cylinder Active CN210423230U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921295507.9U CN210423230U (en) 2019-08-09 2019-08-09 Water cannon lift cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921295507.9U CN210423230U (en) 2019-08-09 2019-08-09 Water cannon lift cylinder

Publications (1)

Publication Number Publication Date
CN210423230U true CN210423230U (en) 2020-04-28

Family

ID=70385715

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921295507.9U Active CN210423230U (en) 2019-08-09 2019-08-09 Water cannon lift cylinder

Country Status (1)

Country Link
CN (1) CN210423230U (en)

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