Mechanical overspeed protection hydraulic valve mounting hanging bracket structure

Abstract

The utility model discloses a mechanical overspeed protection hydraulic valve installation hanging bracket structure which comprises two sets of vertical hanging plates symmetrically installed in a waterwheel chamber of a water-turbine generator set, the tops of the two sets of vertical hanging plates are fixedly connected with a welding plate, and the top of the welding plate is fixedly connected with the inner top wall of the waterwheel chamber of the water-turbine generator set. The mechanical over-speed protection hydraulic valve lifting device is simple and reasonable in design structure, easy to process and manufacture and reliable in performance, and the mechanical over-speed protection hydraulic valve lifting device can be used for avoiding the influence of complicated electrical circuits on disassembly and maintenance, and has the advantages of being simple in structure, convenient to use and high in practicability. The installation position of the mechanical overspeed protection device is heightened, the mechanical overspeed protection device is installed on the upper portion of the waterwheel chamber, the clean space of the waterwheel chamber is guaranteed, personnel accidental injury accidents can be avoided, and meanwhile fine calibration and damping of the hydraulic valve are achieved by additionally arranging a damping device and a fine adjustment component.

Description

Technical Field

[0001] This utility model relates to the field of mechanical safety protection devices, and in particular to a mounting bracket structure for a hydraulic valve for mechanical overspeed protection. Background Technology

[0002] Hydroelectric generator sets are generally equipped with mechanical overspeed protection devices, usually installed above the water guide oil tank in the water turbine room. This location has several electromechanical shortcomings: First, hydraulic connection pipes and electrical wiring cover the surface of the water guide oil tank, and irregular connections affect disassembly and maintenance of the water guide oil tank. Second, this location is close to the water turbine room inspection passage, posing a certain safety hazard. Furthermore, existing protective hydraulic valves are usually directly fixed to the equipment base with rigid brackets, which has the following problems: First, poor vibration resistance; during high-speed mechanical operation, the vibration is severe, and rigid connections can easily cause internal valve components to loosen or fail. Second, difficult installation and adjustment; the valve and mechanical body require high alignment precision, and traditional brackets are difficult to fine-tune the position. Third, inconvenient maintenance; valve maintenance requires complete disassembly of the bracket, which is time-consuming and labor-intensive. Utility Model Content

[0003] This utility model mainly provides a mounting bracket structure for a hydraulic valve for mechanical overspeed protection, which solves the problems of complicated electrical wiring affecting disassembly and maintenance, as well as inconvenience and difficulty in fine adjustment during the installation of mechanical overspeed protection devices in the prior art.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a mechanical overspeed protection hydraulic valve mounting bracket structure, including two sets of vertical hanging plates symmetrically installed in the water turbine generator set's waterwheel chamber. The tops of the two sets of vertical hanging plates are fixedly connected to a welding plate, and the tops of the welding plate are fixedly connected to the top wall of the water turbine generator set's waterwheel chamber. The opposing surfaces of the two sets of vertical hanging plates are detachably connected to fixing blocks, and the bottoms of the two sets of fixing blocks are connected to support plates. The tops of the support plates are detachably connected to the bottom of the mechanical overspeed protection hydraulic valve.

[0005] Preferably, the top of the two sets of vertical hanging plates is welded to the bottom of the welding plate, and the top of the welding plate is welded to the inner top wall of the water turbine generator set.

[0006] Preferably, the bottom of the two sets of fixing blocks are welded to the top of the support plate.

[0007] Preferably, the two sets of fixed blocks are provided with slide rail assemblies on their opposing sides. The slide rail assemblies include slide rails respectively provided on the opposing sides of the two sets of fixed blocks, and the side of the support plate is movably connected to the two sets of fixed blocks through a slider.

[0008] Preferably, a guide rail clamp is mounted on the side of the slider.

[0009] Preferably, the vertical hanging plate, the welding plate and the fixing block are made of stainless steel.

[0010] Preferably, a plurality of through holes are arranged on the vertical hanging plate along a center line, and the fixing block is detachably connected in the through hole through a first bolt set.

[0011] Preferably, a plurality of mounting holes are arranged on the support plate, and the support plate is detachably connected with the bottom of the mechanical overspeed protection hydraulic valve through a second bolt set.

[0012] Preferably, a plurality of hanging spring shock absorbers are arranged on the bottom of the support plate.

[0013] The utility model has the advantages of simple and reasonable structure, easy processing and manufacturing, reliable performance, and high installation position of the mechanical overspeed protection device to avoid the influence of complicated electrical circuits on disassembly and maintenance.

[0014] The utility model discloses a mechanical overspeed protection device for hydraulic valve, which comprises a welding plate, a vertical hanging plate, a fixing block, a first bolt set, a support plate, a second bolt set and a mechanical overspeed protection hydraulic valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings and embodiments.

[0016] Fig. 1 It is the front view of the utility model;

[0017] Fig. 2 It is the second embodiment schematic view of the utility model;

[0018] Fig. 3 It is the right side view of the utility model;

[0019] In the drawing: 1, welding plate; 2, vertical hanging plate; 3, fixing block; 4, first bolt set; 5, support plate; 6, second bolt set; 7, mechanical overspeed protection hydraulic valve; 8, hanging spring shock absorber; 9, guide rail clamp. DETAILED DESCRIPTION

[0020] The utility model will be further described in connection with the drawings and embodiments.

[0021] As Figs. 1-3As shown, a mechanical overspeed protection hydraulic valve mounting hanger structure, including two groups of vertical hanger plates 2 symmetrically mounted in the water room of the hydroelectric generating set, the top of the two groups of vertical hanger plates 2 is fixedly connected with the welding plate 1, the top of the welding plate 1 is fixedly connected with the top wall in the water room of the hydroelectric generating set, the facing sides of the two groups of vertical hanger plates 2 are movably connected with the fixing blocks 3, the bottom of the two groups of fixing blocks 3 is connected with the support plates 5, the top of the support plates 5 is movably connected with the bottom of the mechanical overspeed protection hydraulic valve 7, the top of the mechanical overspeed protection hydraulic valve 7 is communicated with the mechanical overspeed protection device, in order to solve the problem that the circuit in the water room is difficult to disassemble and overhaul, the installation position of the mechanical overspeed protection device needs to be raised and installed on the upper part of the water room, but if the protection device is installed on the upper part of the water room, the mechanical overspeed protection hydraulic valve 7 of the conventional hydroelectric generating set needs to be hoisted on the lower rack of the protection device, therefore, the mechanical overspeed protection hydraulic valve 7 is hoisted on the bottom of the protection device through the utility model, when in use, the two groups of vertical hanger plates 2 are vertically arranged and arranged on the two sides of the mechanical overspeed protection device, the top of the two groups of vertical hanger plates 2 is fixedly connected with the welding plate 1, the top of the welding plate 1 is fixedly connected with the top wall of the water room, so as to ensure the stability of the whole frame body, the facing sides of the two groups of vertical hanger plates 2 are movably connected with the fixing blocks 3, the bottom of the fixing blocks is connected with the support plates 5, the top of the support plates 5 is movably connected with the bottom of the mechanical overspeed protection hydraulic valve 7, the top of the mechanical overspeed protection hydraulic valve 7 is communicated with the mechanical overspeed protection device.

[0022] Preferably, the top of the two groups of vertical hanger plates 2 is welded with the bottom of the welding plate 1, and the top of the welding plate 1 is welded with the top wall in the water room of the hydroelectric generating set, and the embodiment uses welding to fixedly connect, so as to ensure the stability of the whole structure.

[0023] Preferably, the bottom of the two groups of fixing blocks 3 is welded with the top of the support plates 5, and the scheme is the first embodiment of the application, the fixing blocks 3 are fixedly connected with the support plates 5 through welding, so as to have strong stability of the whole structure.

[0024] Preferably, the facing sides of the two groups of fixing blocks 3 are provided with slide rail assemblies, the slide rail assembly comprises slide rails 31 arranged on the facing sides of the two groups of fixing blocks 3 respectively, and the side of the support plate 5 is movably connected with the two groups of fixing blocks 3 through sliding blocks, Fig. 2 As shown, the embodiment is the second embodiment of the application, the slide rail assemblies are arranged on the facing sides of the fixing blocks 3, and the two ends of the support plate 5 are slidably connected with the slide rails 31 on the two groups of fixing plates 3 through sliding blocks respectively, and the height of the mechanical overspeed protection hydraulic valve 7 can be adjusted according to the situation when in use.

[0025] Preferably, guide rail clamps 9 are mounted on the side of the sliding block, which are used for clamping the sliding block.

[0026] Preferably, the vertical hanger plates 2, the welding plate 1 and the fixing blocks 3 are made of stainless steel.

[0027] Preferably, a plurality of through holes 21 are arranged on the vertical hanging plate 2 along the center line, and the first bolt set 4 is used to detachably connect the fixing block 3 in the through hole 21.

[0028] Preferably, a plurality of mounting holes are arranged on the support plate 5, and the support plate 5 is detachably connected with the bottom of the mechanical overspeed protection hydraulic valve 7 through the second bolt set 6.

[0029] Preferably, a plurality of hanging spring shock absorbers 8 are arranged at the bottom of the support plate 5.

[0030] The working principle of the application is as follows: the welding plate 1 is connected through welding, the vertical hanging plate 2 is connected with the fixing block 3 through the first bolt set 4, the fixing block 3 is connected with the support plate 5 through welding, the support plate 5 is fixed with the mechanical overspeed protection hydraulic valve 7 through the second bolt set 6, the welding plate 1 is welded on the indoor top wall of the waterwheel room, the indoor top wall of the waterwheel room is provided with a thrust support, the welding plate 1 is welded with the thrust support, and the mechanical overspeed protection hydraulic valve 7 can be accurately positioned and firmly and reliably installed through the mechanical properties of the support materials of various structures, so that the long-term operation requirement of the unit is met.

[0031] The above-mentioned embodiment is only a preferred technical solution of the utility model, and should not be regarded as a limitation of the utility model. The protection scope of the utility model should be based on the technical solution recorded in the claims, and the equivalent replacement solution of the technical features recorded in the claims is the protection scope. That is, the equivalent replacement improvement in this range is also within the protection scope of the utility model.

Claims

1. A mechanical overspeed protection hydraulic valve mounting hanger structure, characterized by, The utility model provides a kind of mechanical over-speed protection hydraulic valve support structure, including two groups of symmetrical installation in the water wheel room of hydroelectric generator set vertical lifting plate (2), the top of two groups of vertical lifting plate (2) is fixedly connected with welding plate (1), the top of welding plate (1) is fixedly connected with the top wall in the water wheel room of hydroelectric generator set, the facing surface of two groups of vertical lifting plate (2) is detachably connected with fixed block (3), the bottom of two groups of fixed block (3) is connected with support plate (5), the top of support plate (5) is detachably connected with the bottom of mechanical over-speed protection hydraulic valve (7).

2. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, The top of two groups of vertical lifting plate (2) is welded with the bottom of welding plate (1), and the top of welding plate (1) is welded with the top wall in the water wheel room of hydroelectric generator set.

3. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, The bottom of two groups of fixed block (3) is welded with the top of support plate (5).

4. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, The facing side of two groups of fixed block (3) is provided with slide rail assembly, the slide rail assembly includes slide rail (31) arranged on the facing side of two groups of fixed block (3) respectively, and the side of support plate (5) is movably connected with two groups of fixed block (3) through sliding block cooperation.

5. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 4, characterized in that, The side of sliding block is provided with guide rail clamp (9).

6. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, The vertical lifting plate (2), the welding plate (1) and the fixed block (3) are made of stainless steel.

7. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, A plurality of through holes (21) are arranged on the vertical lifting plate (2) along the center line, and the fixed block (3) is detachably connected in the through hole (21) by the first bolt group (4).

8. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, A plurality of mounting holes are arranged on the support plate (5), and the bottom of the mechanical over-speed protection hydraulic valve (7) is detachably connected with the support plate (5) by the second bolt group (6).

9. A mechanical overspeed protection hydraulic valve mounting hanger structure according to claim 1, characterized in that, A plurality of hanging type spring shock absorbers (8) are further arranged on the bottom of the support plate (5).

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