Large hydraulic oil cylinder protection device

Abstract

The utility model discloses a large hydraulic oil cylinder protection device which comprises a hydraulic oil cylinder body, a front connecting sleeve, a rear connecting sleeve and an upper filter screen, wherein the front connecting sleeve, the rear connecting sleeve and the upper filter screen are arranged outside the hydraulic oil cylinder body in an embedded mode. The hydraulic oil cylinder further comprises a shielding and buffering structure arranged outside the hydraulic oil cylinder body, the shielding and buffering structure comprises a front connecting sleeve, a rear connecting sleeve, an upper filter screen, a lower filter screen, a rubber opening ring and a rubber inner rod, and the rear connecting sleeve is rotationally connected to the rear portion of the front connecting sleeve. A temperature sensing heat dissipation structure is arranged in the front connecting sleeve and the rear connecting sleeve; and the temperature sensing heat dissipation structure comprises a temperature sensor, a controller, a mounting plate and a draft fan. According to the large hydraulic oil cylinder protection device, the device and a hydraulic oil cylinder body can be conveniently mounted and dismounted, shielding protection and buffering protection can be conveniently conducted on the hydraulic oil cylinder body, temperature sensing heat dissipation can be conveniently conducted on the hydraulic oil cylinder body, heat loss is avoided, displacement reminding can be conveniently conducted on the hydraulic oil cylinder body, and use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to large -scale hydraulic cylinder protection technical field, concretely is a large -scale hydraulic cylinder protection device. BACKGROUND

[0002] Hydraulic cylinder is the execution element in the hydraulic transmission system, generally through cylinder body, cylinder rod (piston rod) and sealing element constitute, is the energy conversion device that converts hydraulic energy into mechanical energy, is widely used in machine tool and metallurgical industry, engineering and agricultural machinery, in the use of large -scale hydraulic cylinder, usually install protection device and protect.

[0003] The utility model discloses a hydraulic cylinder protection device, the hydraulic cylinder protection device, include: protection box, protection cover and hydraulic cylinder body, Z type mounting rod, one end of Z type mounting rod is fixed in one side of hydraulic cylinder body. The hydraulic cylinder protection device provided by the utility model can protect the hydraulic cylinder body by setting protection box and protection cover, and the protection box and the hydraulic cylinder body are detachably connected, which facilitates the installation and removal of the device by the worker. At the same time, the device can facilitate heat dissipation of the hydraulic cylinder body through the setting of the heat dissipation hole, thereby prolonging the service life of the hydraulic cylinder body. When the hydraulic cylinder body does not need to be cooled, the foam plate can be moved to make the filler block enter the inside of the heat dissipation hole, and the heat dissipation hole can be closed, thereby greatly improving the flexibility of the device and facilitating the use of the worker.

[0004] But the existing large -scale hydraulic cylinder protection device, in the use process, generally inconveniently installs and removes the device and the hydraulic cylinder body, inconveniently carries out temperature sensing and heat dissipation to the hydraulic cylinder body, is prone to thermal damage, and inconveniently reminds displacement of the hydraulic cylinder body, and the use safety is limited, therefore, we propose a large -scale hydraulic cylinder protection device to solve the problems in the above. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a large -scale hydraulic cylinder protection device to solve the problems in the above background art that the existing large -scale hydraulic cylinder protection device is inconvenient to install and remove the device and the hydraulic cylinder body in the use process, inconvenient to carry out temperature sensing and heat dissipation to the hydraulic cylinder body, prone to thermal damage, and inconvenient to remind displacement of the hydraulic cylinder body, and the use safety is limited.

[0006] To achieve the above object, the utility model provides the following technical scheme: a large -scale hydraulic cylinder protection device, comprising: a hydraulic cylinder body, a front connecting sleeve, a rear connecting sleeve and an upper filter screen embedded outside the hydraulic cylinder body.

[0007] Also includes:

[0008] The hydraulic cylinder body is provided with a shielding and buffering structure, which includes a front connecting sleeve, a rear connecting sleeve, an upper filter screen, a lower filter screen, a rubber open ring, and a rubber inner rod. The rear connecting sleeve is rotatably connected to the rear of the front connecting sleeve, and the front end of the front connecting sleeve has an installation hole.

[0009] The front and rear connecting sleeves are provided with a temperature-sensing heat dissipation structure, which includes a temperature sensor, a controller, a mounting plate and an exhaust fan. The temperature sensor and the controller are embedded in the inner side of the middle of the rear end of the rear connecting sleeve.

[0010] The hydraulic cylinder body is provided with a displacement sensing and reminder structure, which includes a buzzer, a rubber sleeve, an elastic rope and a displacement sensor. The buzzer is located below the controller and is embedded in the rear connecting sleeve.

[0011] Preferably, the rear connecting sleeve is fixedly connected to the front connecting sleeve by locking screws, and a receiving plate is symmetrically fixed on the inner side of the lower rear end of the front connecting sleeve. The upper filter screen is symmetrically fixed on the front connecting sleeve and the rear connecting sleeve, and the hydraulic cylinder body is nested and engaged in the receiving plate and the upper filter screen.

[0012] Preferably, a lower filter screen is fixedly connected to the inner side of the lower end of both the front connecting sleeve and the rear connecting sleeve, and the lower filter screen is symmetrically arranged about the hydraulic cylinder body.

[0013] Preferably, rubber open rings are glued and fixed to the outer sides of both the upper and lower ends of the front connecting sleeve and the rear connecting sleeve, and rubber inner rods are glued and fixed to the inner sides of both the front and rear ends of the rubber open rings, and the rubber inner rods are in the shape of an "I".

[0014] Preferably, the mounting plate is fixedly connected to the inner side of the lower end of the receiving plate unit, and an exhaust fan is fixedly installed under the mounting plate, with the exhaust fan located above and inside the lower filter screen.

[0015] Preferably, a rubber sleeve is nested and fitted on the outer side of the upper end of the hydraulic cylinder body, and an elastic rope is pasted and fixed on the front side of the front connecting sleeve and the rubber sleeve, and a displacement sensor is snapped and fitted on the inner side of the rear end of the rubber sleeve.

[0016] Compared with the prior art, the beneficial effects of this utility model are: the large hydraulic cylinder protection device is convenient to install and disassemble with the hydraulic cylinder body, convenient to shield and buffer the hydraulic cylinder body, convenient to sense and dissipate heat from the hydraulic cylinder body to avoid heat loss, and convenient to remind the hydraulic cylinder body of displacement, thus improving the safety of use.

[0017] 1. The utility model provides a set with hydraulic cylinder body, front connecting sleeve, rear connecting sleeve and locking screw, because the front connecting sleeve and rear connecting sleeve of hydraulic cylinder body outer nest setting are rotatably connected, the front connecting sleeve and rear connecting sleeve are fixedly connected through locking screw, and the rubber sleeve of the outer side of the upper end of the hydraulic cylinder body is nested and connected, so that the device is convenient to install and detach with the hydraulic cylinder body.

[0018] 2. The utility model provides a set with front connecting sleeve, rear connecting sleeve, locking screw and upper filter screen, because the upper side of the front connecting sleeve and rear connecting sleeve is fixed with the upper filter screen nested and clamped with the hydraulic cylinder body, the lower end of the front connecting sleeve and rear connecting sleeve is fixedly connected with the lower filter screen, and the outer side of the front connecting sleeve and rear connecting sleeve is fixedly bonded with the rubber split ring and rubber inner rod, and the rubber inner rod is located in the inner side of the rubber split ring, so that the hydraulic cylinder body is conveniently shielded and buffered.

[0019] 3. The utility model provides a set with rear connecting sleeve, temperature sensor, controller and mounting plate, because the rear side of the hydraulic cylinder body is provided with the temperature sensor and controller inlayed installation with the rear connecting sleeve, the lower side of the hydraulic cylinder body is provided with the mounting plate fixedly connected with the bearing plate, and the mounting plate is fixedly installed with the exhaust fan, so that the hydraulic cylinder body is conveniently temperature sensing and radiating, and heat loss is avoided.

[0020] 4. The utility model provides a set with controller, buzzer, rubber sleeve and displacement sensor, because the rear end inner side of the rear connecting sleeve is inlayed and installed with the controller and buzzer, the front side of the front connecting sleeve and rubber sleeve is fixedly bonded with the elastic rope, and the rear end inner side of the rubber sleeve nested and connected on the hydraulic cylinder body is buckled and installed with the displacement sensor, so that the hydraulic cylinder body is conveniently reminded of displacement, and the use safety is improved. ACCURATE DRAWINGS

[0021] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0022] Figure 2 It is the front view cross section structure schematic diagram of the utility model;

[0023] Figure 3 It is the top view cross section structure schematic diagram of the utility model;

[0024] Figure 4 It is the front connecting sleeve and rear connecting sleeve connection side view three-dimensional structure schematic diagram of the utility model;

[0025] Figure 5 It is the displacement sensor and rubber sleeve connection top view cross section structure schematic diagram of the utility model.

[0026] In the figure: 1, hydraulic cylinder body; 2, front connecting sleeve; 3, rear connecting sleeve; 4, locking screw; 5, mounting hole; 6, receiving plate; 7, upper filter screen; 8, lower filter screen; 9, rubber split ring; 10, rubber inner rod; 11, temperature sensor; 12, controller; 13, mounting plate; 14, exhaust fan; 15, buzzer; 16, rubber sleeve; 17, elastic rope; 18, displacement sensor. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Please refer to Figures 1-5 , the utility model provides a technical scheme: a large -scale hydraulic cylinder protection device, including hydraulic cylinder body 1, front connecting sleeve 2, rear connecting sleeve 3, locking screw 4, mounting hole 5, receiving plate 6, upper filter screen 7, lower filter screen 8, rubber split ring 9, rubber inner rod 10, temperature sensor 11, controller 12, mounting plate 13, exhaust fan 14, buzzer 15, rubber sleeve 16, elastic rope 17 and displacement sensor 18, the front connecting sleeve 2 of the outer embedding nest of hydraulic cylinder body 1, rear connecting sleeve 3 and upper filter screen 7, the outer shielding buffer structure of hydraulic cylinder body 1 is provided with, wherein the shielding buffer structure includes front connecting sleeve 2, rear connecting sleeve 3, upper filter screen 7, lower filter screen 8, rubber split ring 9 and rubber inner rod 10, and rear connecting sleeve 3 is rotatably connected to the rear of front connecting sleeve 2, and the front end inside of front connecting sleeve 2 is provided with mounting hole 5, and temperature sensing heat dissipation structure is arranged in front connecting sleeve 2 and rear connecting sleeve 3, wherein the temperature sensing heat dissipation structure includes temperature sensor 11, controller 12, mounting plate 13 and exhaust fan 14, and temperature sensor 11 and controller 12 are inlaidly installed in the inside of the rear end middle part of rear connecting sleeve 3, and the displacement sensing reminding structure is provided outside hydraulic cylinder body 1, wherein the displacement sensing reminding structure includes buzzer 15, rubber sleeve 16, elastic rope 17 and displacement sensor 18, and buzzer 15 is located below controller 12, and buzzer 15 and rear connecting sleeve 3 are inlaidly installed. Specific embodiment one

[0030] In order to solve the problem that the device is not convenient to install and detach with the hydraulic cylinder body 1 in the prior art, therefore, the embodiment is through the following technical scheme, such as Figure 1 、 Figure 2 、 Figure 3 and Figure 4, first can be moved in the hydraulic cylinder body 1 before the connecting sleeve 2 at the position to be used, then can be screwed through the mounting hole 5 in the front end of the front connecting sleeve 2, the device is fixed, then the hydraulic cylinder body 1 can be placed inside the front connecting sleeve 2, so that the upper and lower ends of the hydraulic cylinder body 1 are respectively embedded and clamped with the upper filter screen 7 and the receiving plate 6 fixed on the upper and lower ends of the front connecting sleeve 2, then the rear connecting sleeve 3 can be rotated, so that the rear connecting sleeve 3 and the upper filter screen 7 fixedly connected on the rear connecting sleeve 3 are nested on the outer side of the rear end of the hydraulic cylinder body 1, and the rear connecting sleeve 3 and the front connecting sleeve 2 can be fixed by the locking screw 4, finally the rubber sleeve 16 connected by the elastic rope 17 in front of the front connecting sleeve 2 can be nested and fitted on the outer side of the upper end of the hydraulic cylinder body 1, so as to complete the installation, and the locking screw 4 and the rubber sleeve 16 can be removed later, and the device can be disassembled from the hydraulic cylinder body 1;

[0031] In the use of the protective device, the front connecting sleeve 2, the rear connecting sleeve 3, the upper filter screen 7 fixed on the front connecting sleeve 2 and the rear connecting sleeve 3, and the lower filter screen 8 fixedly connected on the inner side of the lower end of the front connecting sleeve 2 and the rear connecting sleeve 3 are arranged to shield and protect the hydraulic cylinder body 1, the rubber split ring 9 is pasted and fixed on the outer side of the upper and lower ends of the front connecting sleeve 2 and the rear connecting sleeve 3, the rubber inner rod 10 is pasted and fixed on the inner side of the front and rear ends of the rubber split ring 9, and the rubber inner rod 10 is arranged in combination with the front connecting sleeve 2 and the rear connecting sleeve 3, so that the hydraulic cylinder body 1 is buffered and protected by the elasticity of the rubber split ring 9 and the rubber inner rod 10. Specific embodiment two

[0033] In order to solve the problem that the existing technology is not convenient for temperature sensing and heat dissipation of the hydraulic cylinder body 1, and is easy to cause heat damage, the technical scheme is as follows, Figure 1 , Figure 2 , Figure 3 and Figure 4In the process of using the protection device, the controller 12 inlaid and installed at the rear end of the rear connecting sleeve 3, the temperature sensor 11 inlaid and installed at the rear of the hydraulic cylinder body 1 and the rear connecting sleeve 3, and the air extractor fan 14 installed below the hydraulic cylinder body 1 are cooperated to make the temperature sensor 11 sense the temperature, and the controller 12 controls the air extractor fan 14 to work when the temperature sensor 11 senses that the temperature is out of limit. Since the upper and lower ends of the front connecting sleeve 2 and the rear connecting sleeve 3 are respectively fixed with the upper filter screen 7 and the lower filter screen 8, the lower end of the inner side of the bearing plate 6 is fixedly connected with the mounting plate 13, and the air extractor fan 14 is fixedly installed below the mounting plate 13 and above the lower filter screen 8, the hot air outside the hydraulic cylinder body 1 is extracted outside through the lower filter screen 8 by the air extractor fan 14, and the air outside is extracted into the upper filter screen 7 through the upper filter screen 7, so that the hydraulic cylinder body 1 is ventilated and cooled, thereby facilitating the temperature sensing and cooling of the hydraulic cylinder body 1, and avoiding heat damage. Specific embodiment three

[0035] In order to solve the problem that the hydraulic cylinder body 1 is not convenient to displace and the use safety is limited in the prior art, the technical scheme is as follows, Figure 1 , Figure 4 and Figure 5 In the process of using the hydraulic cylinder body 1, the controller 12 controls the buzzer 15 inlaid and installed at the rear end of the rear connecting sleeve 3 and the displacement sensor 18 buckled and installed at the rear end of the rubber sleeve 16 to cooperate, so that the displacement sensor 18 senses the displacement change of the hydraulic cylinder body 1, and the controller 12 controls the buzzer 15 to ring, thereby achieving the purpose of ringing and reminding and improving the use safety. The above electrical elements are all prior art, and will not be described in detail here.

[0036] The contents not described in detail in the specification belong to the prior art known by those skilled in the art, the standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and will not be described in detail here. The contents not described in detail in the specification belong to the prior art known by those skilled in the art.

[0037] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A large hydraulic cylinder guard comprising: The hydraulic cylinder body (1), the front connecting sleeve (2), the rear connecting sleeve (3) and the upper filter screen (7) are nested outside the hydraulic cylinder body (1); Its characteristic is that it further includes: The hydraulic cylinder body (1) is provided with a shielding and buffering structure, which includes a front connecting sleeve (2), a rear connecting sleeve (3), an upper filter screen (7), a lower filter screen (8), a rubber open ring (9), and a rubber inner rod (10). The rear connecting sleeve (3) is rotatably connected to the front connecting sleeve (2), and the front end of the front connecting sleeve (2) is provided with an installation hole (5). The front connecting sleeve (2) and the rear connecting sleeve (3) are provided with a temperature sensing and heat dissipation structure, wherein the temperature sensing and heat dissipation structure includes a temperature sensor (11), a controller (12), a mounting plate (13) and an exhaust fan (14), and the temperature sensor (11) and the controller (12) are embedded in the inner side of the middle of the rear end of the rear connecting sleeve (3). The hydraulic cylinder body (1) is provided with a displacement sensing reminder structure, which includes a buzzer (15), a rubber sleeve (16), an elastic rope (17) and a displacement sensor (18). The buzzer (15) is located below the controller (12), and the buzzer (15) and the rear connecting sleeve (3) are embedded in each other.

2. A large hydraulic cylinder guard according to claim 1, characterised in that: The rear connecting sleeve (3) is fixedly connected to the front connecting sleeve (2) by locking screws (4), and the inner side of the lower rear end of the front connecting sleeve (2) is symmetrically fixed with a receiving plate (6), and the upper filter screen (7) is symmetrically fixed on the front connecting sleeve (2) and the rear connecting sleeve (3), and the hydraulic cylinder body (1) is nested and engaged in the receiving plate (6) and the upper filter screen (7).

3. A large hydraulic cylinder guard according to claim 1, wherein: The lower inner sides of the front connecting sleeve (2) and the rear connecting sleeve (3) are both fixedly connected with a lower filter screen (8), and the lower filter screen (8) is symmetrically arranged about the hydraulic cylinder body (1).

4. A large hydraulic cylinder guard according to claim 1, wherein: The front connecting sleeve (2) and the rear connecting sleeve (3) are both fixed with rubber open rings (9) on the outer sides of the upper and lower ends, and rubber inner rods (10) are fixed with the inner sides of the front and rear ends of the rubber open rings (9), and the rubber inner rods (10) are in the shape of an "I".

5. A large hydraulic cylinder guard according to claim 1 wherein: The mounting plate (13) is fixedly connected to the lower inner side of the receiving plate (6) unit, and an exhaust fan (14) is fixedly installed under the mounting plate (13), and the exhaust fan (14) is located above the inner side of the lower filter screen (8).

6. A large hydraulic cylinder guard according to claim 1 wherein: A rubber sleeve (16) is nested and attached to the outer side of the upper end of the hydraulic cylinder body (1), and an elastic rope (17) is attached and fixed to the front side of the front connecting sleeve (2) and the rubber sleeve (16), and a displacement sensor (18) is snapped and attached to the inner side of the rear end of the rubber sleeve (16).

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