Maintenance device for lower gate valve of garbage power plant

By designing a V-shaped support plate driven by a hydraulic cylinder and a two-way screw helical gear system, the problem of the inability to adjust the support height of the gate valve maintenance device in a waste-to-energy plant was solved, achieving stable support and anti-slip effect for the pipeline.

CN223876960UActive Publication Date: 2026-02-06CHENGDU CECEP RENEWABLE ENERGY CO LTD
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Patent Information

Application Number
CN202520011136.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2026-02-06
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

The existing gate valve maintenance device in waste-to-energy plants cannot adjust the support height, resulting in insufficient pipeline stability.

Method used

A maintenance device was designed, comprising a hydraulic cylinder, a V-shaped support plate, a lifting plate, a limiting sleeve, and an anti-slip pad. The support height is adjusted by the hydraulic cylinder, and the V-shaped support plate and the vertical plate are used for limiting. Combined with a two-way screw and helical gear system, the device achieves stable positioning and anti-slip of the pipeline.

Benefits of technology

This allows for adjustment of the support height and improved pipe stability, ensuring the stability and anti-slip performance of the pipe during maintenance.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a garbage power plant lower gate valve maintenance device which comprises a bottom plate, the two sides of the top end of the bottom plate are each provided with a lifting plate, the two ends of the top of each lifting plate are each fixedly connected with a vertical plate, and the center line of each lifting plate and the center line of the bottom plate are located on the same vertical plane. A lifting mechanism used for adjusting the supporting height is arranged at the top end of the bottom plate. According to the maintenance device for the lower gate valve of the garbage power plant, by arranging a limiting sleeve plate, when the lower gate valve needs to be maintained, the device is moved to the bottom of the lower gate valve, then a hydraulic cylinder is started to push a V-shaped supporting plate to ascend until the V-shaped supporting plate is attached to the bottoms of pipelines on the two sides of the lower gate valve, and therefore the pipelines are supported; and the vertical plates and the lifting plates on the two sides of the V-shaped supporting plate are attached to the interiors of the limiting sleeve plates, so that the V-shaped supporting plate can be effectively limited, the supporting stability of the pipeline is guaranteed, and the problem that the supporting height cannot be adjusted is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve maintenance technical field, concretely is garbage power plant lower gate valve maintenance device. BACKGROUND

[0002] With the progress of life and science and technology, the amount of various types of garbage is also rising, garbage power generation is a main way of garbage disposal, and a gate valve is installed on some pipelines in a garbage power plant to control the opening and closing of the pipelines, and the gate valve needs to be repaired in time to ensure the stable operation of the pipeline system after failure, but a special maintenance device is needed to support the pipeline during maintenance to ensure the stability of the pipeline after the gate valve is disassembled.

[0003] However, the maintenance device for the gate valve in the garbage power plant still has some defects in use, and the supporting height of the device cannot be adjusted according to the height of the position of the pipeline during use, resulting in insufficient stability of the pipeline.

[0004] The present application provides a new garbage power plant lower gate valve maintenance device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing garbage power plant lower gate valve maintenance device to solve the problem of being unable to adjust the supporting height in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: garbage power plant lower gate valve maintenance device, including bottom plate, the both sides of bottom plate top are provided with a group of lifting plates respectively, the both ends of lifting plate top are fixedly connected with a group of vertical plates respectively, the center line of lifting plate and the center line of bottom plate are on the same vertical plane, the top of bottom plate is provided with lifting mechanism for adjusting the supporting height;

[0007] The lifting mechanism comprises a hydraulic cylinder, the top of the bottom plate is fixedly connected with the hydraulic cylinder, the bottom end of one side of the vertical plate is fixedly connected with a V-shaped support plate, and the both ends of the both sides of the top of the bottom plate are fixedly connected with a group of limiting sleeve plates.

[0008] Preferably, the limiting sleeve plate is slidably connected with the lifting plate, and the output end of the hydraulic cylinder is fixedly connected with the V-shaped support plate.

[0009] Preferably, the center line of the V-shaped support plate and the center line of the lifting plate are on the same vertical plane, and the vertical plate is movably connected with the limiting sleeve plate.

[0010] Preferably, the top end of the lifting plate is provided with a groove, the inside of the groove is movably connected with a bidirectional screw rod, the two ends of the outside of the bidirectional screw rod are movably connected with a group of threaded sleeves respectively, one end of the threaded sleeve is fixedly connected with a movable plate, the top end of the movable plate is fixedly connected with a positioning inclined plate, the outside of the bidirectional screw rod is fixedly connected with a first bevel gear, one side of the first bevel gear is movably connected with a second bevel gear, and the top end of one side of the lifting plate is movably connected with a rotating wheel.

[0011] Preferably, the rotating wheel extends to the inside of the groove and is fixedly connected with the second bevel gear, and the movable plate is slidably connected with the groove.

[0012] Preferably, the center line of the first bevel gear and the center line of the bidirectional screw rod are on the same vertical plane, and the threaded sleeves on the two sides of the outside of the bidirectional screw rod are symmetrically arranged.

[0013] Preferably, the bottom plate is fixedly connected with a fixed frame on the two sides of the bottom, the inside of the fixed frame is movably connected with a non-slip pad, the bottom end of the non-slip pad is provided with a positioning groove, and the bottom end in the inside of the fixed frame is fixedly connected with a positioning pressing plate.

[0014] Preferably, the positioning pressing plate is movably connected with the positioning groove, and the center line of the fixed frame and the center line of the non-slip pad are on the same vertical plane.

[0015] Compared with the prior art, the garbage power plant gate valve maintenance device can not only adjust the supporting height, improve the stability of the pipeline, but also effectively prevent slipping.

[0016] (1) by setting the limiting sleeve plate, the stand, the V-shaped support plate, the hydraulic cylinder and the lifting plate, when the gate valve needs to be repaired, first move the device to the bottom of the gate valve, then start the hydraulic cylinder to push the V-shaped support plate up until the V-shaped support plate is attached to the bottom of the pipeline on both sides of the gate valve, thereby supporting the pipeline, and the stand and the lifting plate on both sides of the V-shaped support plate are attached to the inside of the limiting sleeve plate, which can effectively limit the V-shaped support plate and ensure the stability of the pipeline support, so that the supporting height of the device can be adjusted.

[0017] (2) By being provided with the vertical plate, the V-shaped support plate, the rotating wheel, the bidirectional screw rod, the threaded sleeve, the first bevel gear, the second bevel gear, the lifting plate, the groove, the movable plate and the positioning inclined plate, after the V-shaped support plate is attached to the bottom of the pipeline before maintenance, the rotating wheel drives the second bevel gear to rotate, the second bevel gear drives the bidirectional screw rod to rotate through the first bevel gear, the bidirectional screw rod drives the movable plates at both ends to move towards the middle through the external threaded sleeve, and the movable plates drive the positioning inclined plates to move, so that the positioning inclined plates attached to both ends of the pipeline can effectively position the pipeline, thereby improving the stability of the pipeline and realizing the improvement of the stability of the pipeline on both sides after the sluice valve is removed during maintenance;

[0018] (3) By being provided with the fixed frame, the anti-skid pad, the positioning pressing plate and the positioning groove, when maintenance is carried out, the device is placed at the bottom of the sluice valve, and the anti-skid pad at the bottom of the bottom plate is attached to the ground, so that the anti-skid pad can effectively prevent skidding when the pipeline is supported, thereby preventing the device from deviating and affecting the stability of the pipeline support, and meanwhile, the fixed frame and the positioning pressing plate inside the fixed frame can position the anti-skid pad, thereby preventing the anti-skid pad from loosening and affecting the positioning stability, and effectively preventing skidding is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front view cross-sectional structure schematic view of the utility model;

[0020] Figure 2 It is a lifting plate side view cross-sectional structure schematic view of the utility model;

[0021] Figure 3 It is a limiting sleeve plate top view cross-sectional structure schematic view of the utility model;

[0022] Figure 4 It is a fixed frame bottom view structure schematic view of the utility model.

[0023] In the drawing: 1, bottom plate; 2, limiting sleeve plate; 3, vertical plate; 4, V-shaped support plate; 5, hydraulic cylinder; 6, rotating wheel; 7, fixed frame; 8, anti-skid pad; 9, bidirectional screw rod; 10, threaded sleeve; 11, first bevel gear; 12, second bevel gear; 13, lifting plate; 14, groove; 15, movable plate; 16, positioning inclined plate; 17, positioning pressing plate; 18, positioning groove. DETAILED DESCRIPTION

[0024] 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 protection scope of the utility model.

[0025] Embodiment: please refer to Figures 1-4 , the waste power plant gate valve maintenance device, including the bottom plate 1, the two sides of the top end of the bottom plate 1 are provided with a group of lifting plates 13, the two ends of the top of the lifting plate 13 are fixedly connected with a group of vertical plates 3, the center line of the lifting plate 13 and the center line of the bottom plate 1 are in the same vertical plane, the top end of the bottom plate 1 is provided with a lifting mechanism for adjusting the support height;

[0026] The lifting mechanism includes a hydraulic cylinder 5, the top end of the bottom plate 1 is fixedly connected with the hydraulic cylinder 5, the bottom end of one side of the vertical plate 3 is fixedly connected with a V-shaped support plate 4, and the two ends of the two sides of the top end of the bottom plate 1 are fixedly connected with a group of limiting sleeve plates 2;

[0027] The limiting sleeve plate 2 is slidably connected with the lifting plate 13, and the output end of the hydraulic cylinder 5 is fixedly connected with the V-shaped support plate 4;

[0028] The center line of the V-shaped support plate 4 and the center line of the lifting plate 13 are in the same vertical plane, and the vertical plate 3 is movably connected with the limiting sleeve plate 2;

[0029] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , when the gate valve needs to be repaired, first move the device to the bottom of the gate valve, then start the hydraulic cylinder 5 to push the V-shaped support plate 4 up until the V-shaped support plate 4 is attached to the bottom of the pipeline on both sides of the gate valve, thereby supporting the pipeline, and the vertical plate 3 and the lifting plate 13 on both sides of the V-shaped support plate 4 are attached to the inside of the limiting sleeve plate 2, which can effectively limit the V-shaped support plate 4, ensuring the stability of the pipeline support, and achieving the adjustment of the support height of the device.

[0030] The top end of the lifting plate 13 is provided with a groove 14, the inside of the groove 14 is movably connected with a bidirectional screw rod 9, the two ends of the outside of the bidirectional screw rod 9 are movably connected with a group of threaded sleeves 10, one end of the threaded sleeve 10 is fixedly connected with a movable plate 15, the top end of the movable plate 15 is fixedly connected with a positioning inclined plate 16, the outside of the bidirectional screw rod 9 is fixedly connected with a first bevel gear 11, one side of the first bevel gear 11 is movably connected with a second bevel gear 12, and the top end of one side of the lifting plate 13 is movably connected with a rotating wheel 6;

[0031] The rotating wheel 6 extends into the inside of the groove 14 and is fixedly connected with the second bevel gear 12, and the movable plate 15 is slidably connected with the groove 14;

[0032] The center line of the first bevel gear 11 and the center line of the bidirectional screw rod 9 are in the same vertical plane, and the threaded sleeves 10 on both sides of the outside of the bidirectional screw rod 9 are symmetrically arranged;

[0033] Specifically, as shown in Figure 1 and Figure 2As shown in the maintenance, the V-shaped support plate 4 is attached to the bottom of the pipeline, the rotating wheel 6 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the bidirectional screw rod 9 through the first bevel gear 11, the bidirectional screw rod 9 drives the movable plate 15 at both ends to move to the middle through the external threaded sleeve 10, the movable plate 15 drives the positioning inclined plate 16 to move, and the positioning inclined plate 16 is attached to both ends of the pipeline, so that the pipeline can be effectively positioned to improve the stability of the pipeline, and the stability of the pipeline on both sides of the gate valve after being removed during maintenance can be improved.

[0034] The bottom plate 1 is fixedly connected with a fixed frame 7 at the bottom of both sides, the fixed frame 7 is movably connected with a non-slip pad 8 in the inside, and the bottom end of the non-slip pad 8 is provided with a positioning groove 18.

[0035] The positioning pressure plate 17 is movably connected with the positioning groove 18, and the center line of the fixed frame 7 and the center line of the non-slip pad 8 are on the same vertical plane.

[0036] Specifically, as shown in the maintenance, Figure 1 and Figure 4 when the device is placed at the bottom of the gate valve, and the non-slip pad 8 at the bottom of the bottom plate 1 is attached to the ground, the non-slip pad 8 can effectively prevent slipping when supporting the pipeline, so as to prevent the device from deviating and affecting the stability of the pipeline support, and the fixed frame 7 and the positioning pressure plate 17 in the inside can position the non-slip pad 8 to prevent the non-slip pad 8 from loosening and affecting the positioning stability, so that effective anti-skid can be achieved.

[0037] Working principle: when the device is placed at the bottom of the gate valve, and the non-slip pad 8 at the bottom of the bottom plate 1 is attached to the ground, the non-slip pad 8 can effectively prevent slipping when supporting the pipeline, so as to prevent the device from deviating and affecting the stability of the pipeline support, and the fixed frame 7 and the positioning pressure plate 17 in the inside can position the non-slip pad 8 to prevent the non-slip pad 8 from loosening and affecting the positioning stability, then the hydraulic cylinder 5 is started to push the V-shaped support plate 4 upwards, until the V-shaped support plate 4 is attached to the bottom of the pipeline on both sides of the gate valve, so as to support the pipeline, and the vertical plate 3 and the lifting plate 13 on both sides of the V-shaped support plate 4 are attached to the inside of the limiting sleeve plate 2, which can effectively limit the V-shaped support plate 4 to ensure the stability of the pipeline support, after the V-shaped support plate 4 is attached to the bottom of the pipeline, the rotating wheel 6 drives the second bevel gear 12 to rotate, the second bevel gear 12 drives the bidirectional screw rod 9 through the first bevel gear 11, the bidirectional screw rod 9 drives the movable plate 15 at both ends to move to the middle through the external threaded sleeve 10, the movable plate 15 drives the positioning inclined plate 16 to move, and the positioning inclined plate 16 is attached to both ends of the pipeline, so that the pipeline can be effectively positioned to improve the stability of the pipeline.

Claims

1. A device for repairing the under sluice valve of a waste power plant, comprising a base plate (1), characterized in that: The both sides of the top end of the bottom plate (1) are respectively provided with a group of lifting plates (13), the both ends of the top of the lifting plate (13) are respectively fixedly connected with a group of vertical plates (3), the center line of the lifting plate (13) and the center line of the bottom plate (1) are on the same vertical plane, and the top end of the bottom plate (1) is provided with a lifting mechanism for adjusting the supporting height. The lifting mechanism comprises a hydraulic cylinder (5), the top end of the bottom plate (1) is fixedly connected with the hydraulic cylinder (5), the bottom end of one side of the vertical plate (3) is fixedly connected with a V-shaped support plate (4), and the both ends of the both sides of the top end of the bottom plate (1) are respectively fixedly connected with a group of limiting sleeve plates (2).

2. The waste power plant gate valve repair apparatus of claim 1, wherein: The limiting sleeve plate (2) and the lifting plate (13) are slidably connected, and the output end of the hydraulic cylinder (5) is fixedly connected with the V-shaped support plate (4).

3. The waste power plant gate valve repair apparatus of claim 1, wherein: The center line of the V-shaped support plate (4) and the center line of the lifting plate (13) are on the same vertical plane, and the vertical plate (3) is movably connected with the limiting sleeve plate (2).

4. The waste power plant gate valve repair apparatus of claim 1, wherein: The top end of the lifting plate (13) is provided with a groove (14), the inside of the groove (14) is movably connected with a bidirectional screw rod (9), the both ends of the outside of the bidirectional screw rod (9) are movably connected with a group of threaded sleeves (10), one end of the threaded sleeve (10) is fixedly connected with a movable plate (15), the top end of the movable plate (15) is fixedly connected with a positioning inclined plate (16), the outside of the bidirectional screw rod (9) is fixedly connected with a first bevel gear (11), one side of the first bevel gear (11) is movably connected with a second bevel gear (12), and the top end of one side of the lifting plate (13) is movably connected with a rotating wheel (6).

5. The waste power plant gate valve repair apparatus of claim 4, wherein: The rotating wheel (6) extends into the inside of the groove (14) and is fixedly connected with the second bevel gear (12), and the movable plate (15) is slidably connected with the groove (14).

6. The waste power plant gate valve repair apparatus of claim 4, wherein: The center line of the first bevel gear (11) and the center line of the bidirectional screw rod (9) are on the same vertical plane, and the threaded sleeves (10) on the both sides of the outside of the bidirectional screw rod (9) are symmetrically arranged.

7. The waste power plant gate valve repair apparatus of claim 1, wherein: The both sides of the bottom of the bottom plate (1) are fixedly connected with a fixed frame (7), the inside of the fixed frame (7) is movably connected with an anti-skid pad (8), the bottom end of the anti-skid pad (8) is provided with a positioning groove (18), and the bottom end in the inside of the fixed frame (7) is fixedly connected with a positioning pressing plate (17).

8. The waste power plant gate valve repair apparatus of claim 7, wherein: The positioning pressing plate (17) is movably connected with the positioning groove (18), and the center line of the fixed frame (7) and the center line of the anti-skid pad (8) are on the same vertical plane.