Leak-proof device for hydraulic cylinder of garbage power plant

By designing the inner and outer covers and support structure, and combining connecting bolts and elastic bands, the problems of anti-collision, anti-leakage, dust prevention and anti-fouling of hydraulic cylinders in waste-to-energy plants were solved, enabling rapid installation and disassembly and improving the protective effect of the device.

CN223754374UActive Publication Date: 2026-01-02CHENGDU CECEP RENEWABLE ENERGY CO LTD
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Patent Information

Application Number
CN202520031053.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-07
Publication Date
2026-01-02
Estimated Expiration
2035-01-07

AI Technical Summary

Technical Problem

Existing hydraulic cylinder anti-leakage devices are insufficient in providing anti-collision and anti-leakage protection in waste-to-energy plants, and are inconvenient to disassemble, install, and prevent dust and contamination.

Method used

It adopts a double-layer design with inner and outer covers and a support structure, combined with connecting bolts and elastic bands to achieve quick installation and disassembly, and the outer cover is used for dust and dirt protection.

Benefits of technology

It achieves anti-collision and anti-leakage protection for hydraulic cylinders in waste-to-energy plants, facilitates disassembly and assembly, and keeps the device clean in harsh environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hydraulic cylinders, and discloses a garbage power plant hydraulic cylinder leakproof device which comprises a hydraulic cylinder body, a first inner cover and a second inner cover, and the first inner cover is arranged on the left side of the hydraulic cylinder body. When the leakage-proof device for the hydraulic cylinder of the garbage power plant is used, the inner cover I, the outer cover I, the inner cover II and the outer cover II are arranged to form an inner-outer double-layer structure, so that when the outer side of the hydraulic cylinder main body is impacted, the outer cover I and the outer cover II on the outer side can be stressed firstly, and the outer side of the hydraulic cylinder main body is subjected to anti-collision protection; meanwhile, when impact force is large, a first support and a second support between the first outer cover and the first inner cover and between the second inner cover and the second outer cover can be broken off, anti-collision and anti-leakage protection is conducted on the hydraulic cylinder body, transmission of impact force is reduced, and anti-collision and anti-leakage protection can be conveniently conducted on the hydraulic cylinder in the garbage power plant in the using process; the problem that anti-collision and anti-leakage protection cannot be conveniently carried out on the hydraulic cylinder in the garbage power plant in the using process is solved.
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Description

Technical Field

[0001] This utility model relates to the field of hydraulic cylinder technology, specifically to a leak-proof device for hydraulic cylinders in waste-to-energy plants. Background Technology

[0002] Waste-to-energy plants are thermal power plants that generate electricity by burning the heat released from municipal waste. Hydraulic cylinders are used to replace manual operation for some moving parts inside the power plant equipment that are inaccessible to personnel. During the use of hydraulic cylinders, hydraulic cylinder anti-leakage devices are required to protect the outside of the hydraulic cylinders from collisions and leaks.

[0003] According to the hydraulic cylinder anti-leakage device disclosed in patent number CN2002322438021.9, the reinforced keel, fixing block and pressure relief valve can be wrapped around the outside of the hydraulic cylinder during use, which can prevent the hydraulic cylinder oil from leaking out and causing pollution to the equipment, and can also strengthen the hydraulic cylinder during use.

[0004] In actual installation and use, the above-mentioned hydraulic cylinder anti-leakage device reinforces the outside of the hydraulic cylinder body by tightly attaching two sets of shells to the cylinder body. However, when it is hit by an external object, the impact force will still be directly transmitted to the cylinder body, which can easily cause the cylinder body to deform and leak oil. The protection is insufficient. The working environment inside the waste-to-energy plant is harsh, making it inconvenient to use the hydraulic cylinder inside the waste-to-energy plant for anti-collision and anti-leakage protection.

[0005] Now, a novel anti-leakage device for hydraulic cylinders in waste-to-energy plants is proposed to address the aforementioned shortcomings. Utility Model Content

[0006] The purpose of this utility model is to provide a leak-proof device for hydraulic cylinders in waste-to-energy plants, so as to solve the problem mentioned in the background art of the inconvenience of protecting the hydraulic cylinders inside waste-to-energy plants from collisions and leaks during use.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a hydraulic cylinder anti-leakage device for waste-to-energy plants, comprising a hydraulic cylinder body, an inner cover one, and an inner cover two. The inner cover one is disposed on the left side of the hydraulic cylinder body, and the inner cover two is disposed on the right side of the hydraulic cylinder body. An outer cover one is disposed on the left side outside the inner cover one, and an outer cover two is disposed on the right side outside the inner cover two. A bracket one is fixed between the outer cover one and the inner cover one, and a bracket two is fixed between the inner cover two and the outer cover two. Inner pads are fixed to the inner sides of the inner cover one and the inner cover two, respectively.

[0008] Preferably, the outer cover one and outer cover two are symmetrically arranged about the vertical center line of the hydraulic cylinder body, and the inner pad is a rubber component.

[0009] Preferably, the bracket one is provided with four groups at the top and bottom and middle positions between the outer cover one and the inner cover one, and the bracket two is provided with four groups at the top and bottom and middle positions between the inner cover two and the outer cover two.

[0010] Preferably, the top and bottom of the right side of the front end of the outer cover one are respectively fixed with fixing frames, the top and bottom of the left side of the front end of the outer cover two are respectively fixed with fixing feet, the right side of the rear end of the outer cover one is fixed with a connecting plate two, the left side of the rear end of the outer cover two is fixed with a connecting plate one, the top and bottom of the left side of the connecting plate two are respectively provided with connecting bolts, the top and bottom of the right side of the connecting plate one are respectively provided with connecting nuts, the interiors of the connecting plate one and the connecting plate two are respectively provided with insertion holes, and the left side of the fixing feet is hingedly connected with the interior of the fixing frame.

[0011] Preferably, the insertion holes respectively penetrate the interiors of the connecting plate one and the connecting plate two, the right sides of the connecting bolts respectively penetrate the interiors of the connecting plate two and the connecting plate one, and the connecting nuts are threadedly connected to the exterior of the connecting bolts.

[0012] Preferably, the exterior of the outer cover one and the outer cover two is sleeved with an outer sleeve, the interior of the top end of the outer sleeve is fixed with an elastic band one, the interior of the bottom end of the outer sleeve is fixed with an elastic band two, and the hydraulic cylinder body penetrates the interior of the outer sleeve.

[0013] Preferably, the elastic band one and the elastic band two are symmetrically arranged about the horizontal center line of the outer sleeve.

[0014] Preferably, the hydraulic cylinder body vertically penetrates the interiors of the outer cover one, the inner cover one, the inner cover two and the outer cover two.

[0015] Compared with the prior art, the garbage power plant hydraulic cylinder anti-leakage device not only realizes anti-collision and anti-leakage protection during use of the internal hydraulic cylinder of the garbage power plant, but also realizes convenient disassembly and assembly of the device outside the hydraulic cylinder, and convenient dust and dirt prevention on the outside of the device.

[0016] (1) By means of the hydraulic cylinder body, the outer cover one, the inner cover one, the bracket one, the inner cover two, the outer cover two and the bracket two, when the anti-leakage device is installed outside the hydraulic cylinder body for protection, the inner and outer double-layer structures of the inner cover one and the outer cover one and the inner cover two and the outer cover two are arranged, when the hydraulic cylinder body is impacted from the outside, the outer cover one and the outer cover two can be impacted first, thereby protecting the outside of the hydraulic cylinder body from collision, and when the impact force is large, the bracket one and the bracket two between the outer cover one and the inner cover one and the inner cover two and the outer cover two can be broken, thereby protecting the hydraulic cylinder body from collision and leakage, reducing the transmission of the impact force, and facilitating anti-collision and anti-leakage protection during use of the internal hydraulic cylinder of the garbage power plant.

[0017] (2) through the setting has the outer cover one, the inner cover one, the inner cover two, the outer cover two, the connecting nut, the connecting plate one, the connecting plate two, the connecting bolt, the fixed frame and the fixed foot, the leakage protection device is installed and is used when in the outside of the hydraulic cylinder main body, first the inner cover one and the outer cover one and the inner cover two and the outer cover two are opened to the outside by the hinge between the fixed foot and the fixed frame, then the inner cover one and the inner cover two can be covered in the outside of the hydraulic cylinder main body, then through the use of two groups of connecting bolts is passed through the inside of the connecting plate two and the connecting plate one and is locked by the corresponding use of the connecting nut and is screwed in the outside of the connecting bolt, the device can be quickly installed and fixed in the outside of the hydraulic cylinder main body, the integral structure type leakage protection device, the device is conveniently disassembled and assembled in the outside of the hydraulic cylinder.

[0018] (3) through the setting has the hydraulic cylinder main body, the outer cover one, the inner cover one, the outer sleeve, the elastic band one, the inner cover two, the outer cover two and the elastic band two, the device is installed in the outside of the hydraulic cylinder main body, the outer sleeve can be installed in the outside of the hydraulic cylinder main body and the device by the elastic band one and the elastic band two, the outside of the device can be assisted by the outer sleeve Covering, dustproof, reduce the dirt of the device outside when working in the inside of the garbage power plant. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the front view cross section structure schematic diagram of the utility model;

[0020] Figure 2 It is the outer cover one overhead structure schematic diagram of the utility model;

[0021] Figure 3 It is the outer cover two side view structure schematic diagram of the utility model;

[0022] Figure 4 It is the outer sleeve overhead structure schematic diagram of the utility model.

[0023] In the drawing: 1, hydraulic cylinder main body; 2, outer cover one; 3, inner cover one; 4, support one; 5, outer sleeve; 6, elastic band one; 7, inner cover two; 8, outer cover two; 9, support two; 10, elastic band two; 11, inner pad; 12, connecting nut; 13, connecting plate one; 14, connecting plate two; 15, connecting bolt; 16, fixed frame; 17, fixed foot; 18, jack. DETAILED DESCRIPTION

[0024] The technical scheme 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, apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.

[0025] Referring to Figures 1-4 The utility model provides a kind of embodiment: garbage power plant hydraulic cylinder anti-leakage device, including hydraulic cylinder main body 1, inner cover one 3 and inner cover two 7, the left side of hydraulic cylinder main body 1 is provided with inner cover one 3, the right side of hydraulic cylinder main body 1 is provided with inner cover two 7, the left side outside inner cover one 3 is provided with outer cover one 2, the right side outside inner cover two 7 is provided with outer cover two 8, outer cover one 2 and inner cover one 3 between fixed with support one 4, inner cover two 7 and outer cover two 8 between fixed with support two 9, the inside of inner cover one 3 and inner cover two 7 is respectively fixed with inner pad 11, hydraulic cylinder main body 1 is respectively vertically through the inside of outer cover one 2, inner cover one 3, inner cover two 7 and outer cover two 8;

[0026] Outer cover one 2 and outer cover two 8 about the vertical center line of hydraulic cylinder main body 1 symmetrically set, inner pad 11 is rubber material component, support one 4 is respectively set with four groups at the top and bottom and intermediate position between outer cover one 2 and inner cover one 3, support two 9 is set with four groups at the top and bottom and intermediate position between inner cover two 7 and outer cover two 8;

[0027] Specifically, as Figures 1-3 Shown, by setting inner cover one 3 and outer cover one 2 and inner cover two 7 and outer cover two 8 inside and outside double-layer structure, when the outside of hydraulic cylinder main body 1 is impacted, first outside outer cover one 2 and outer cover two 8 can be stressed, and the outside of hydraulic cylinder main body 1 is protected from collision, and when impact is larger, support one 4 and support two 9 between outer cover one 2 and inner cover one 3 and inner cover two 7 and outer cover two 8 are broken, and hydraulic cylinder main body 1 is protected from collision and leakage.

[0028] The top and bottom of the right side of the front end of outer cover one 2 are respectively fixed with fixed frame 16, the top and bottom of the left side of the front end of outer cover two 8 are respectively fixed with fixed foot 17, the right side of the rear end of outer cover one 2 is fixed with connecting plate two 14, the left side of the rear end of outer cover two 8 is fixed with connecting plate one 13, the top and bottom of the left side of connecting plate two 14 are respectively provided with connecting bolt 15, the top and bottom of the right side of connecting plate one 13 are respectively provided with connecting nut 12, the inside of connecting plate one 13 and connecting plate two 14 is respectively provided with insertion hole 18, the left side of fixed foot 17 and the inside of fixed frame 16 are hingedly connected, insertion hole 18 is respectively through the inside of connecting plate one 13 and connecting plate two 14, the right side of connecting bolt 15 is respectively through the inside of connecting plate two 14 and connecting plate one 13, connecting nut 12 is threadedly connected at the outside of connecting bolt 15;

[0029] Specifically, as Figures 1-3As shown, the device is installed for use, first, the inner cover 3 and the outer cover 2 and the inner cover 7 and the outer cover 8 between the hinge between the fixed foot 17 and the fixed frame 16 is turned outward, then the inner cover 3 and the inner cover 7 can be covered in the outer side of the hydraulic cylinder body 1, then through the use of two groups of connecting bolts 15 through the inside of the connecting plate 14 and the connecting plate 13 and the corresponding use of the connecting nut 12 is screwed into the outside of the connecting bolt 15 locking, the device can be quickly installed and fixed on the outside of the hydraulic cylinder body 1, the integral structure type leakage protection device.

[0030] The outer cover 2 and the outer cover 8 are sleeved with the outer sleeve 5, the inner end of the outer sleeve 5 is fixed with the elastic band 6, the inner end of the outer sleeve 5 is fixed with the elastic band 10, the hydraulic cylinder body 1 penetrates the inside of the outer sleeve 5, the elastic band 6 and the elastic band 10 are symmetrically arranged about the horizontal center line of the outer sleeve 5;

[0031] Specifically, as shown in Figure 1 And Figure 4 As shown, the outer sleeve 5 can be installed on the outside of the hydraulic cylinder body 1 and the device by using the elastic band 6 and the elastic band 10, and the outer sleeve 5 can be used to assist the cover to close the dust and dirt.

[0032] Working principle: the utility model discloses a garbage power plant hydraulic cylinder leakage protection device is installed on the outside of the hydraulic cylinder body 1 when using the hydraulic cylinder body 1 in the internal equipment of garbage power plant, first, the inner cover 3 and the outer cover 2 and the inner cover 7 and the outer cover 8 between the hinge between the fixed foot 17 and the fixed frame 16 is turned outward, then the inner cover 3 and the inner cover 7 can be covered in the outer side of the hydraulic cylinder body 1, then through the use of two groups of connecting bolts 15 through the inside of the connecting plate 14 and the connecting plate 13 and the corresponding use of the connecting nut 12 is screwed into the outside of the connecting bolt 15 locking, the device can be quickly installed and fixed on the outside of the hydraulic cylinder body 1, the device is installed on the outside of the hydraulic cylinder body 1 and is protected when using, through the inner cover 3 and the outer cover 2 and the inner cover 7 and the outer cover 8 double-layer structure, the outside of the hydraulic cylinder body 1 can be better reinforced and prevented from leaking, and after the device is installed on the outside of the hydraulic cylinder body 1, the outer sleeve 5 can be installed on the outside of the hydraulic cylinder body 1 and the device by using the elastic band 6 and the elastic band 10, and the outer sleeve 5 can be used to assist the cover to close the dust and dirt.

[0033] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A leakage-proof device for hydraulic cylinder of waste power plant, comprising a hydraulic cylinder body (1), an inner cover I (3) and an inner cover II (7), characterized in that: The left side of the hydraulic cylinder body (1) is provided with an inner cover one (3), the right side of the hydraulic cylinder body (1) is provided with an inner cover two (7), the outermost side of the inner cover one (3) is provided with an outer cover one (2), the right side of the outer cover two (7) is provided with an outer cover two (8), the outer cover one (2) and the inner cover one (3) are fixed with a support one (4), the inner cover two (7) and the outer cover two (8) are fixed with a support two (9), the inner side of the inner cover one (3) and the inner cover two (7) is respectively fixed with an inner pad (11).

2. The waste power plant hydraulic cylinder leak prevention device of claim 1, wherein: The outer cover one (2) and the outer cover two (8) are symmetrically arranged about the vertical center line of the hydraulic cylinder body (1), and the inner pad (11) is a rubber material component.

3. The waste power plant hydraulic cylinder leak prevention device of claim 1, wherein: The support one (4) is provided with four groups at the top, the bottom and the middle position between the outer cover one (2) and the inner cover one (3), and the support two (9) is provided with four groups at the top, the bottom and the middle position between the inner cover two (7) and the outer cover two (8).

4. The waste power plant hydraulic cylinder leak prevention device of claim 1, wherein: The top and the bottom of the right side of the front end of the outer cover one (2) are respectively fixed with a fixed frame (16), the top and the bottom of the left side of the front end of the outer cover two (8) are respectively fixed with a fixed foot (17), the right side of the rear end of the outer cover one (2) is fixed with a connecting plate two (14), the left side of the rear end of the outer cover two (8) is fixed with a connecting plate one (13), the top and the bottom of the left side of the connecting plate two (14) are respectively provided with connecting bolts (15), the top and the bottom of the right side of the connecting plate one (13) are respectively provided with connecting nuts (12), the inner parts of the connecting plate one (13) and the connecting plate two (14) are respectively provided with insertion holes (18), and the left side of the fixed foot (17) is hingedly connected with the inner part of the fixed frame (16).

5. The waste-to-energy power plant hydraulic cylinder leak prevention device of claim 4, wherein: The insertion holes (18) respectively penetrate the inner parts of the connecting plate one (13) and the connecting plate two (14), the right side of the connecting bolt (15) respectively penetrates the inner parts of the connecting plate two (14) and the connecting plate one (13), and the connecting nut (12) is threadedly connected to the outer part of the connecting bolt (15).

6. The waste power plant hydraulic cylinder leak prevention device of claim 1, wherein: The outer parts of the outer cover one (2) and the outer cover two (8) are sleeved with an outer sleeve (5), the inner part of the top end of the outer sleeve (5) is fixed with a elastic band one (6), the inner part of the bottom end of the outer sleeve (5) is fixed with a elastic band two (10), and the hydraulic cylinder body (1) penetrates the inner part of the outer sleeve (5).

7. The waste-to-energy power plant hydraulic cylinder leak prevention device of claim 6, wherein: The elastic band one (6) and the elastic band two (10) are symmetrically arranged about the horizontal center line of the outer sleeve (5).

8. The waste power plant hydraulic cylinder leak prevention device of claim 1, wherein: The hydraulic cylinder body (1) vertically penetrates the inner parts of the outer cover one (2), the inner cover one (3), the inner cover two (7) and the outer cover two (8) respectively.