CN217873544U

CN217873544U - Hydraulic cylinder with reveal early warning function

Info

Publication number: CN217873544U
Application number: CN202222432459.1U
Authority: CN
Inventors: 丁勇; 杨锐; 刘刚
Original assignee: Anhui Four Hundred Million Hydraulic Machinery Co ltd
Current assignee: Anhui Four Hundred Million Hydraulic Machinery Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-11-22
Anticipated expiration: 2032-09-14

Abstract

The utility model discloses a hydraulic cylinder with reveal early warning function relates to hydraulic cylinder technical field, including the oil inlet, first cylinder body is installed to the lower extreme of oil inlet, the outside of oil inlet is provided with the front end housing, the inside of front end housing is provided with alarm device, the piston rod is installed on alarm device's right side, the right side of piston rod is provided with piston rod rotational speed detection device, piston rod rotational speed detection device's the outside is provided with the rear end cap, the inside of rear end cap is provided with the oil return opening, the lower extreme fixed mounting of oil return opening has the second cylinder body, the last surface mounting of second cylinder body has separation dismounting device. The utility model discloses a cooperation of telescopic link, fixed block, slide rail, alarm, buffer spring and protection piece can extrude the telescopic link when hydraulic oil in the hydraulic cylinder is filled with, and the alarm removes along the slide rail under telescopic link thrust effect, and alarm extrusion buffer spring, alarm can report to the police under the both sides extrusion condition.

Description

Hydraulic cylinder with reveal early warning function

Technical Field

The utility model relates to a hydraulic cylinder technical field, concretely relates to hydraulic cylinder with reveal early warning function.

Background

The hydraulic oil cylinder is a hydraulic actuating element which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion), has simple structure and reliable work, can remove a speed reducer when realizing reciprocating motion, has no transmission clearance and moves stably, thereby being widely applied to hydraulic systems of various machines, but the existing hydraulic oil cylinder has a plurality of defects.

The following problems exist in the prior art:

1. the existing hydraulic oil cylinder with the leakage early warning function cannot know the condition of hydraulic oil in the hydraulic oil cylinder at the first time, so that the hydraulic oil leaks;

2. the existing hydraulic oil cylinder with the leakage early warning function is inconvenient to carry and store due to the fact that the hydraulic oil cylinder is too large in size, and the space occupancy rate of the hydraulic oil cylinder is greatly increased;

3. the existing hydraulic oil cylinder with the leakage early warning function cannot detect the internal temperature of the hydraulic oil cylinder at the first time and timely make corresponding adjustment on the motion condition of an internal piston rod.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

the utility model provides a hydraulic cylinder with reveal early warning function, includes the oil inlet, first cylinder body is installed to the lower extreme of oil inlet, the outside of oil inlet is provided with the front end housing, the inside of front end housing is provided with alarm device, the piston rod is installed on alarm device's right side, the right side of piston rod is provided with piston rod rotational speed detection device, piston rod rotational speed detection device's the outside is provided with the rear end cap, the inside of rear end cap is provided with the oil return opening, the lower extreme fixed mounting of oil return opening has the second cylinder body, the last surface mounting of second cylinder body has separation dismounting device.

The utility model discloses technical scheme's further improvement lies in: alarm device includes the telescopic link, the upper end of telescopic link is provided with the fixed block, the fixed block upper end is provided with the alarm, buffer spring is installed to the alarm upper end, the slide rail is installed to the both sides of fixed block, the surface mounting of slide rail has the protection piece.

The utility model discloses technical scheme's further improvement lies in: the upper end of telescopic link and the lower extreme fixed connection of fixed block, the surface of fixed block and the inner wall sliding connection of slide rail, the upper end of alarm and buffer spring's lower extreme fixed connection.

The utility model discloses technical scheme's further improvement lies in: the separation and disassembly device comprises a fixing plate, a screw core is arranged in the fixing plate, a nut is connected to the root of the screw core, a sealing end cover is arranged on the outer side of the fixing plate, and a magnet is installed at the upper end connecting part of the sealing end cover.

The utility model discloses technical scheme's further improvement lies in: the outer surface of the fixing plate is fixedly connected with the root of the nut, and the upper end joint of the sealing end cover is fixedly connected with the magnet.

The utility model discloses technical scheme's further improvement lies in: the piston rod rotating speed detection device comprises a heat conduction limiting ring, a temperature sensing plate is arranged inside the heat conduction limiting ring, a heat conduction iron sheet is arranged on the left side of the temperature sensing plate, a temperature sensor is installed on the left side of the heat conduction iron sheet, and a piston rod controller is installed on the left side of the temperature sensor.

The utility model discloses technical scheme's further improvement lies in: the outer surface of the temperature sensing plate is fixedly connected with the inner wall of the heat conduction limiting ring, the left side of the temperature sensor is fixedly connected with the right side of the piston rod controller, and the left side of the temperature sensing plate is fixedly connected with the right side of the heat conduction iron sheet.

Owing to adopted above-mentioned technical scheme, the utility model discloses relative prior art, the technological progress who gains is:

1. the utility model provides a hydraulic cylinder with reveal early warning function, through the telescopic link, the fixed block, a slide rail, the alarm, under the combined action of buffer spring and protection piece, hydraulic oil when hydraulic cylinder is filled with can extrude the telescopic link, the fixed block can extrude buffer spring along the slide rail rebound with the alarm of upper surface under telescopic link thrust effect, alarm extrusion buffer spring this moment, buffer spring can give a right thrust of fixed block because self takes place to deform, the alarm can report to the police under the both sides extrusion condition, wherein the protection piece plays the guard action to the alarm, prevent that hydraulic oil from getting into the damage that the alarm caused the alarm.

2. The utility model provides a hydraulic cylinder with reveal early warning function, through the end-sealing cover, magnet, the fixed plate, under the combined action of nut and spiral shell core, set hydraulic cylinder to can dismantle the connection and can dismantle hydraulic cylinder, convenient transport, and reduced the volume when depositing, greatly increased space utilization, wherein the fixed plate of connecting on first cylinder body and the second cylinder body passes through the effect of bolt and fixes together down, spiral shell core material can prevent for the steel material from being corroded, the waterproof outer skin of one deck has been plated to the nut outside simultaneously, the end-sealing cover can play the guard action to the fixed plate, prevent that the fixed plate from damaging owing to take place with external collision, wherein end-sealing cover upper end coupling part is provided with magnet, can dismantle end-sealing cover at any time like this, it is more convenient.

3. The utility model provides a hydraulic cylinder with reveal early warning function, through the heat conduction spacing ring, the temperature sensing board, the heat conduction iron sheet, under temperature sensor and piston rod controller's combined action, extrude inside hydraulic oil when the piston rod, can lead to the frictional force increase between the hydraulic oil, the hydraulic oil temperature risees this moment, the heat conduction spacing ring is with the temperature transmission of hydraulic oil to the temperature sensing board on, install on the temperature sensing board the heat conduction iron sheet can be more specific with temperature transmission to temperature sensor on, because on the temperature sensing board have the circuit unable and temperature sensor lug connection, the event sets up the heat conduction iron sheet in the centre, can control the motion condition of piston rod through opening the piston rod controller when the temperature sensor goes up the demonstration temperature.

Drawings

Fig. 1 is a schematic view of a cross-sectional structure of a hydraulic cylinder with a leakage early warning function according to the present invention;

fig. 2 is a schematic structural view of the alarm device of the present invention;

fig. 3 is a schematic structural view of the separation and disassembly device of the present invention;

fig. 4 is a schematic structural diagram of the piston rotation detecting device of the present invention.

In the figure: 1. an oil inlet; 2. a front end cover; 3. an alarm device; 4. a piston rod; 5. separating and disassembling the device; 6. a first cylinder; 7. a second cylinder; 8. a piston rod rotation speed detection device; 9. an oil return port; 10. a rear end cap; 31. a telescopic rod; 32. a fixed block; 33. an alarm; 34. a buffer spring; 35. a protection block; 36. a slide rail; 51. sealing the end cap; 52. a magnet; 53. a fixing plate; 54. a nut; 55. a screw core; 81. a heat-conducting spacing ring; 82. a temperature sensing plate; 83. a heat-conducting iron sheet; 84. a temperature sensor; 85. a piston rod controller.

Detailed Description

The present invention will be described in further detail with reference to the following examples:

example 1

As shown in fig. 1-4, the utility model provides a hydraulic cylinder with reveal early warning function, including oil inlet 1, first cylinder body 6 is installed to the lower extreme of oil inlet 1, the outside of oil inlet 1 is provided with front end housing 2, the inside of front end housing 2 is provided with alarm device 3, piston rod 4 is installed on alarm device 3's right side, the right side of piston rod 4 is provided with piston rod rotational speed detection device 8, piston rod rotational speed detection device 8's the outside is provided with rear end cap 10, the inside of rear end cap 10 is provided with oil return opening 9, the lower extreme fixed mounting of oil return opening 9 has second cylinder body 7, the last surface mounting of second cylinder body 7 has separation dismounting device 5.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the alarm device 3 includes an expansion link 31, a fixing block 32 is arranged at the upper end of the expansion link 31, an alarm 33 is arranged at the upper end of the fixing block 32, a buffer spring 34 is installed at the upper end of the alarm 33, slide rails 36 are installed on two sides of the fixing block 32, a protection block 35 is installed on the outer surface of each slide rail 36, the upper end of the expansion link 31 is fixedly connected with the lower end of the fixing block 32, the outer surface of the fixing block 32 is slidably connected with the inner wall of each slide rail 36, and the upper end of the alarm 33 is fixedly connected with the lower end of the buffer spring 34.

In this embodiment, can extrude telescopic link 31 when the hydraulic oil in the hydraulic cylinder is full of, fixed block 32 and the alarm 33 of upper surface move along slide rail 36 upwards under telescopic link 31 thrust effect, alarm 33 extrusion buffer spring 34 this moment, buffer spring 34 can give fixed block 32 a thrust of right because self takes place deformation, alarm 33 can report to the police under the both sides extrusion condition, wherein protection piece 35 plays the guard action to alarm 33, prevent that hydraulic oil from getting into alarm 33 and causing the damage of alarm 33.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the separation and disassembly device 5 comprises a fixing plate 53, a screw core 55 is arranged inside the fixing plate 53, a nut 54 is connected to the root of the screw core 55, a sealing end cover 51 is arranged outside the fixing plate 53, a magnet 52 is installed at the joint of the upper end of the sealing end cover 51, the outer surface of the fixing plate 53 is fixedly connected with the root of the nut 54, and the joint of the upper end of the sealing end cover 51 is fixedly connected with the magnet 52.

In this embodiment, set hydraulic cylinder to detachable connection and can dismantle hydraulic cylinder, convenient transport, and reduced the volume when depositing, greatly increased space utilization, wherein fixed plate 53 of connecting on first cylinder body 6 and the second cylinder body 7 passes through the effect of bolt and fixes together down, spiral shell core 55 material can prevent to be corroded for the steel material, nut 54 outside has plated the waterproof outer skin of one deck simultaneously, end cover 51 can play the guard action to fixed plate 53, prevent that fixed plate 53 from damaging owing to bumping with the external world, wherein end cover 51 upper end coupling part is provided with magnet 52, can dismantle end cover 51 at any time like this, and is more convenient.

Example 4

As shown in fig. 1-4, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the piston rod rotation speed detecting device 8 includes a heat-conducting limiting ring 81, a temperature sensing plate 82 is arranged inside the heat-conducting limiting ring 81, a heat-conducting iron sheet 83 is arranged on the left side of the temperature sensing plate 82, a temperature sensor 84 is installed on the left side of the heat-conducting iron sheet 83, a piston rod controller 85 is installed on the left side of the temperature sensor 84, the outer surface of the temperature sensing plate 82 is fixedly connected with the inner wall of the heat-conducting limiting ring 81, the left side of the temperature sensor 84 is fixedly connected with the right side of the piston rod controller 85, and the left side of the temperature sensing plate 82 is fixedly connected with the right side of the heat-conducting iron sheet 83.

In this embodiment, when the piston rod 4 extrudes the internal hydraulic oil, the friction force between the hydraulic oil may be increased, and the temperature of the hydraulic oil is increased, and the heat-conducting limiting ring 81 transfers the temperature of the hydraulic oil to the temperature-sensing plate 82, and the heat-conducting iron sheet 83 mounted on the temperature-sensing plate 82 may more specifically transfer the temperature to the temperature sensor 84, and since the circuit on the temperature-sensing plate 82 cannot be directly connected to the temperature sensor 84, the heat-conducting iron sheet 83 is disposed in the middle, and when the temperature displayed on the temperature sensor 84 is too high, the motion condition of the piston rod 4 may be controlled by opening the piston rod controller 85.

The working principle of the hydraulic oil cylinder with the leakage early warning function is described in detail below.

As shown in fig. 1-4, when the hydraulic oil in the hydraulic cylinder is full, the telescopic rod 31 is squeezed, the fixed block 32 and the alarm 33 on the upper surface move upwards along the slide rail 36 under the thrust of the telescopic rod 31, at this time, the alarm 33 squeezes the buffer spring 34, the buffer spring 34 can give a right thrust to the fixed block 32 due to the self deformation, the alarm 33 can give an alarm under the condition of squeezing at both sides, wherein the protective block 35 has a protective function on the alarm 33, prevents hydraulic oil from entering the alarm 33 to cause damage to the alarm 33, sets the hydraulic oil cylinder to be detachably connected to disassemble the hydraulic oil cylinder, is convenient to carry, reduces the volume during storage, greatly increases the space utilization rate, wherein the fixing plates 53 connected with the first cylinder 6 and the second cylinder 7 are fixed together by bolts, the screw core 55 is made of steel material to prevent corrosion, meanwhile, the nut 54 is coated with a layer of waterproof outer wrapping, the sealing end cover 51 can protect the fixing plate 53, the fixing plate 53 is prevented from being damaged due to collision with the outside, wherein the magnet 52 is arranged at the upper end connecting part of the sealing end cover 51, so that the sealing end cover 51 can be disassembled at any time, which is more convenient, when the piston rod 4 extrudes the hydraulic oil inside, the friction force between the hydraulic oil is increased, the temperature of the hydraulic oil is increased, the heat-conducting limiting ring 81 transmits the temperature of the hydraulic oil to the temperature sensing plate 82, the heat-conducting iron sheet 83 arranged on the temperature sensing plate 82 can more specifically transmit the temperature to the temperature sensor 84, since the temperature sensing plate 82 is not directly connected to the temperature sensor 84 by a wire, a heat conducting iron plate 83 is provided in the middle, the movement of the piston rod 4 can be controlled by opening the piston rod controller 85 when the temperature sensor 84 indicates an excessive temperature.

The present invention has been described in detail with reference to the above general description, but it will be apparent to one of ordinary skill in the art that modifications and improvements can be made to the invention. Therefore, modifications or improvements without departing from the spirit of the invention are within the scope of the invention.

Claims

1. The utility model provides a hydraulic cylinder with reveal early warning function, includes oil inlet (1), its characterized in that: first cylinder body (6) are installed to the lower extreme of oil inlet (1), the outside of oil inlet (1) is provided with front end housing (2), the inside of front end housing (2) is provided with alarm device (3), piston rod (4) are installed on the right side of alarm device (3), the right side of piston rod (4) is provided with piston rod rotational speed detection device (8), the outside of piston rod rotational speed detection device (8) is provided with rear end housing (10), the inside of rear end housing (10) is provided with oil return opening (9), the lower extreme fixed mounting of oil return opening (9) has second cylinder body (7), the last surface mounting of second cylinder body (7) has separation dismounting device (5).

2. The hydraulic oil cylinder with the leakage early warning function according to claim 1, characterized in that: alarm device (3) include telescopic link (31), the upper end of telescopic link (31) is provided with fixed block (32), fixed block (32) upper end is provided with alarm (33), buffer spring (34) are installed to alarm (33) upper end, slide rail (36) are installed to the both sides of fixed block (32), the surface mounting of slide rail (36) has protection piece (35).

3. The hydraulic oil cylinder with the leakage early warning function according to claim 2, characterized in that: the upper end of telescopic link (31) and the lower extreme fixed connection of fixed block (32), the surface of fixed block (32) and the inner wall sliding connection of slide rail (36), the upper end of alarm (33) and the lower extreme fixed connection of buffer spring (34).

4. The hydraulic oil cylinder with the leakage early warning function according to claim 1, characterized in that: the separation and disassembly device (5) comprises a fixing plate (53), a screw core (55) is arranged inside the fixing plate (53), a nut (54) is connected to the root of the screw core (55), a sealing end cover (51) is arranged on the outer side of the fixing plate (53), and a magnet (52) is installed at the upper end connecting part of the sealing end cover (51).

5. The hydraulic oil cylinder with the leakage early warning function according to claim 4, characterized in that: the outer surface of the fixing plate (53) is fixedly connected with the root of a nut (54), and the upper end connection part of the sealing end cover (51) is fixedly connected with the magnet (52).

6. The hydraulic oil cylinder with the leakage early warning function according to claim 1, characterized in that: piston rod rotational speed detection device (8) are including heat conduction spacing ring (81), the inside of heat conduction spacing ring (81) is provided with temperature sensing plate (82), the left side of temperature sensing plate (82) is provided with heat conduction iron sheet (83), temperature sensor (84) are installed in the left side of heat conduction iron sheet (83), piston rod controller (85) are installed in the left side of temperature sensor (84).

7. The hydraulic oil cylinder with the leakage early warning function according to claim 6, characterized in that: the outer surface of temperature sensing board (82) and the inner wall fixed connection of heat conduction spacing ring (81), the left side of temperature sensor (84) and the right side fixed connection of piston rod controller (85), the left side of temperature sensing board (82) and the right side fixed connection of heat conduction iron sheet (83).