Gate sealing status detection device

Abstract

An embodiment of the present invention provides a gate sealing state detection device, which relates to the field of gate maintenance technology. The gate sealing state detection device includes an installation shell, an observation box module, a tracer module, a compression rod module and a top cover module. The installation shell is provided with an observation window and a nozzle. The observation box module is installed in the installation shell and is used to shoot external images through the observation window. The tracer module is installed in the installation shell and is used to spray tracers to the outside through the nozzle. The compression rod module is installed on the outside of the installation shell and is used to contact the outside. The top cover module is installed on the top of the installation shell and is used to connect cables. The gate sealing state detection device can replace manual entry into the gate groove to detect the leakage point between the door and the concrete sealing surface, provide visual viewing and spread tracer functions, and accurately grasp the leakage point and leakage amount.

Description

Technical Field

[0001] The present invention relates to the technical field of gate maintenance, and in particular to a gate sealing state detection device. Background Art

[0002] The generator sets of the hydropower station all have water inlets, and each water inlet is equipped with a maintenance gate for the maintenance of the generator set. During the maintenance, in order to drain the water in the water diversion tunnel, the maintenance gate will be dropped. According to the head difference between the upstream and downstream of the dam, the maintenance gate is generally composed of one or several iron doors overlapped together to seal the water inlet. Since the maintenance gate is not closed tightly during the maintenance, the sealing between the maintenance gate and the concrete surface and between the doors is insufficient, and there is obvious visible leakage. If the maintenance gate is not closed tightly, the leakage will increase, which will lead to the failure to drain the water in the water diversion tunnel, and the annual regular inspection of the generator set cannot be carried out normally, which will further affect the power generation of the hydropower station and cause huge economic losses to the hydropower station.

[0003] The hydropower station has been in operation for many years. After the maintenance gate is lowered, there is obvious water seepage. There may be foreign matter in the seal between the gates, which damages the sealing strip, or the concrete sealing surface of the maintenance gate is damaged. However, the area where the maintenance slot door is located is small, the height difference is large, and the leakage water flow rate is high, making manual inspection very difficult. Summary of the invention

[0004] The purpose of the present invention includes providing a gate sealing status detection device, which can replace manual entry into the gate groove to detect the leakage points between the door and the concrete sealing surface, provide visual viewing and spread tracer functions, and accurately grasp the leakage points and their leakage amounts.

[0005] The embodiments of the present invention can be implemented as follows:

[0006] In a first aspect, the present invention provides a gate sealing state detection device, the gate sealing state detection device comprising:

[0007] Install a shell, and provide an observation window and a nozzle;

[0008] An observation box module is installed in the installation housing and is used to capture external images through the observation window;

[0009] A tracer module is installed in the installation housing and is used to spray the tracer to the outside through the nozzle;

[0010] A compression rod module is installed on the outside of the installation housing and is used to contact the outside;

[0011] The top cover module is installed on the top of the installation shell and is used to connect cables.

[0012] In an optional embodiment, the top cover module includes:

[0013] The top cover is provided with an interface for connecting cables;

[0014] A handle is arranged on the top cover.

[0015] In an optional embodiment, the compression rod module comprises:

[0016] A spring compression rod, one end of which is connected to the mounting housing;

[0017] A guide bar connected to the other end of the spring compression rod, wherein the length direction of the guide bar is parallel to the vertical direction;

[0018] The roller is rotatably connected to the guide bar, the axis of the roller is perpendicular to the length direction of the guide bar, and the roller is used to contact the outside world.

[0019] In an optional embodiment, a notch is formed on the guide strip, and a portion of the roller extends out of the notch.

[0020] In an optional embodiment, the guide strip comprises:

[0021] A straight section, perpendicular to the axis of the spring compression rod;

[0022] The inclined section is connected to both ends of the straight section, and the inclined section gradually approaches the installation shell from one end connected to the straight section to the other end.

[0023] In an optional embodiment, the observation box module includes:

[0024] A transparent shell is installed in the installation shell;

[0025] An underwater camera is installed in the transparent housing and faces the observation window;

[0026] The transparent medium is filled in the transparent shell.

[0027] In an optional embodiment, the tracing module includes:

[0028] A tracer box is loaded with a tracer, and a nozzle is arranged on the tracer box, and the nozzle is directly opposite to the nozzle opening;

[0029] The squeezing mechanism is installed on one side of the tracer box and is used for squeezing the tracer in the tracer box to spray out from the nozzle.

[0030] In an optional embodiment, the extrusion mechanism includes:

[0031] Underwater motor;

[0032] A water guiding mechanism connected to the output shaft of the underwater motor;

[0033] The piston is installed on one side of the tracer box, and is used to withstand the water flow pushed by the water guide mechanism and squeeze the tracer.

[0034] In an optional embodiment, the underwater motor and the tracer box are at right angles, and the observation box module is arranged in the area sandwiched by the underwater motor and the tracer box.

[0035] In an optional embodiment, the gate sealing state detection device further includes:

[0036] The universal ball is rotatably mounted on the mounting shell and protrudes outward relative to the mounting shell. The universal ball is used to prevent the mounting shell from rubbing against the outside.

[0037] The beneficial effects of the gate sealing state detection device provided by the embodiment of the present invention include:

[0038] 1. Easy detection. The device can replace manual entry into the door groove to detect the leakage points between the door and the concrete sealing surface, and use the observation box module to take pictures of the leakage points, and use the tracer module to mark the location of the leakage points, so that the staff can accurately grasp the leakage points and their leakage amounts.

[0039] 2. Low measurement cost. The device has a simple design structure, easy to obtain module materials, low processing cost, extremely low overall cost, and simple operation. It can accurately measure the leakage amount of the leakage point at an extremely low detection cost;

[0040] 3. Low requirements for use. The device can operate close to the wall, so it is not affected by water flow and water quality. It can be used as long as the gate is closed;

[0041] 4. High efficiency: The device is light and easy to operate. It can be easily used by one person. The preparation work is fast and simple. The measurement method adopts visual observation, which can obtain the location information of the leakage point and the leakage amount in real time. The single-time single-point measurement time of one person does not exceed 20 minutes. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0043] Figure 1 A schematic diagram of the structure of a gate sealing state detection device provided by an embodiment of the present invention;

[0044] Figure 2 for Figure 1 A schematic diagram of the structure after the installation shell is separated from other components;

[0045] Figure 3 for Figure 1 The structural diagram of the middle top cover module;

[0046] Figure 4 for Figure 1 A schematic diagram of the structure of the middle compression rod module;

[0047] Figure 5 for Figure 1 Schematic diagram of the cross-sectional structure along the cutting line AA.

[0048] Icons: 100-gate sealing status detection device; 110-installation shell; 111-observation window; 112-nozzle; 120-top cover module; 121-top cover; 122-handle; 123-interface; 130-compression rod module; 131-spring compression rod; 132-guide bar; 133-straight section; 134-inclined section; 135-roller; 140-observation box module; 141-transparent shell; 142-underwater camera; 143-transparent medium; 150-tracer module; 151-tracer box; 152-underwater motor; 153-water guiding mechanism; 154-piston; 160-universal ball. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0050] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0052] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear to indicate an orientation or position relationship, they are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when used. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0053] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.

[0054] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.

[0055] Please refer to Figure 1 and Figure 2 The present embodiment provides a gate sealing state detection device 100 , which includes an installation shell 110 , an observation box module 140 , a tracer module 150 , a compression rod module 130 , a top cover module 120 and a universal ball 160 .

[0056] Among them, the installation shell 110 is a semi-open shell made of metal, which is mainly used to fix the observation box module 140 and the tracer module 150. The installation shell 110 is provided with an observation window 111 and a nozzle 112. The observation box module 140 is installed in the installation shell 110 and is used to shoot the external scene through the observation window 111. The tracer module 150 is installed in the installation shell 110 and is used to spray the tracer to the outside through the nozzle 112. The compression rod module 130 is installed on the outside of the installation shell 110 and is used to contact the outside. The top cover module 120 is installed on the top of the installation shell 110 and is used to connect cables.

[0057] The universal ball 160 is rotatably mounted on the mounting housing 110 and protrudes outward relative to the mounting housing 110. The universal ball 160 is used to prevent the mounting housing 110 from rubbing against the outside world. The main function of the universal ball 160 is to prevent the mounting housing 110 from directly rubbing against the concrete wall, thereby reducing the drag force during hanging.

[0058] Please refer to Figure 3 The top cover module 120 is a load-bearing connector used for packaging the top of the device. Specifically, the top cover module 120 includes a top cover 121 and a handle 122, wherein the top cover 121 is provided with an interface 123, the interface 123 is used to connect the cable, and the handle 122 is provided on the top cover 121, and the operator can conveniently carry, lift and place the gate sealing state detection device 100 by using the handle 122.

[0059] Please refer to Figure 4 The compression rod module 130 includes a spring compression rod 131, a guide bar 132 and a roller 135, wherein one end of the spring compression rod 131 is connected to the mounting housing 110, and the guide bar 132 is connected to the other end of the spring compression rod 131. In this way, the guide bar 132 is connected to the mounting housing 110 through the spring compression rod 131. The spring compression rod 131 achieves compression of a certain distance through a spring or other methods. The purpose is to form a compression action with the side of the gate so that the other side of the device is stably and tightly attached to the wall, which is convenient for the device to detect the sealing surface.

[0060] The length direction of the guide bar 132 is parallel to the vertical direction, and the roller 135 is rotatably connected to the guide bar 132. The axis of the roller 135 is perpendicular to the length direction of the guide bar 132. The roller 135 is used to contact the outside world, so that the friction of the device is reduced when it contacts the wall, thereby reducing the drag force of the top hanging. Specifically, a notch is opened on the guide bar 132, and part of the roller 135 extends out of the notch.

[0061] During the lowering process, since the sides of the gate are generally provided with reinforcing ribs at certain intervals, a compression rod module 130 is installed on the side to facilitate better passability of the device. Compression rod modules 130 are installed on both sides of the device, so that the entire device has symmetry during the detection process, that is, after testing one side, it can be directly used on the other side of the gate without changing the internal components.

[0062] In this way, the device can be made to fit tightly against the gate by compressing the rod module 130, thereby preventing the device from being affected by the attraction and disturbance of the vortex generated by the leakage point.

[0063] The guide bar 132 includes a straight section 133 and an inclined section 134. The straight section 133 is perpendicular to the axis of the spring compression rod 131. The inclined section 134 is connected to both ends of the straight section 133. The inclined section 134 gradually approaches the mounting shell 110 from one end connected to the straight section 133 to the other end. In this way, the guide bar 132 can play a good guiding role for the device during the vertical movement process, so as to facilitate guiding the device to correctly enter the gap on the side of the gate, and the length of the guide bar 132 is greater than the spacing distance between the two reinforcing ribs to prevent the device from being stuck between two adjacent reinforcing ribs.

[0064] See also Figure 5The observation box module 140 includes a transparent shell 141, an underwater camera 142 and a transparent medium 143, wherein the transparent shell 141 is installed in the installation shell 110, the underwater camera 142 is installed in the transparent shell 141 and faces the observation window 111, and the transparent medium 143 is filled in the transparent shell 141. The transparent medium 143 is used to provide the underwater camera 142 with a larger and clearer field of view and isolate the interference of turbid water, so that the underwater camera 142 can observe the gate sealing contact surface and the flow state of the tracer under the condition of large field of view and high definition. The underwater camera 142 combines the functions of fill light and shooting, and has the protection ability of resisting deep water and high pressure.

[0065] The tracer module 150 includes a tracer box 151 and an extrusion mechanism, wherein the tracer box 151 is loaded with a tracer, a nozzle is provided on the tracer box 151, and the nozzle is directly opposite to the nozzle port 112. The extrusion mechanism is installed on one side of the tracer box 151, and is used to squeeze the tracer in the tracer box 151 to spray out from the nozzle.

[0066] Specifically, the extrusion mechanism includes an underwater motor 152, a water guide mechanism 153 and a piston 154, wherein the water guide mechanism 153 is connected to the output shaft of the underwater motor 152, and the piston 154 is installed on one side of the tracer box 151. The piston 154 is used to withstand the water flow pushed by the water guide mechanism 153 and squeeze the tracer. In this way, the water guide mechanism 153 presses water into the tracer box 151, so that the tracer on the other side of the piston 154 can be sprayed out through the nozzle. When the tracer is completely sprayed out, the underwater motor 152 will not be blocked even if the water guide mechanism 153 continues to press water. If you want to add more tracer, you only need to add it from the nozzle when preparing for the operation, and the piston 154 will return to the left end.

[0067] The underwater motor 152 and the tracer box 151 are at right angles, and the observation box module 140 is arranged in the area sandwiched by the underwater motor 152 and the tracer box 151. In this way, the observation box module 140 and the tracer module 150 can be assembled compactly and occupy less space.

[0068] The use process of the gate sealing state detection device 100 provided in this embodiment is as follows:

[0069] Step 1: Load the transparent medium 143 into the observation box module 140 and assemble and debug the device;

[0070] Step 2: A staff member can carry the device into the measurement area, organize the cables, connect the cables to the top cover module 120 of the device, and slowly lift the device into the gap on one side of the gate;

[0071] Step 3: During the lowering process of the device, the observation box module 140 transmits the shooting picture back in real time, and the staff controls the tracer module 150 to mark the leakage point;

[0072] Step 4: After testing the gap on one side of the gate, lift the device into the gap on the other side of the gate.

[0073] The beneficial effects of the gate sealing state detection device 100 provided in this embodiment include:

[0074] 1. Convenient detection. The device can replace manual entry into the door groove to detect the leakage point between the door and the concrete sealing surface, and use the observation box module 140 to take pictures of the leakage point, and use the tracer module 150 to mark the position of the leakage point, so that the staff can accurately grasp the leakage point and its leakage amount.

[0075] 2. Low measurement cost. Due to the narrow space of the gate, it is generally not inspected. If there is a leakage point in time, it will not be treated as long as the flow is not large. If it reaches the level that needs to be treated, since it is not clear where the specific leakage point is, all the sealing pads of the gate will be replaced and the concrete sealing surface of the gate groove will be fully repaired, which will cause huge maintenance costs. In addition, due to the narrow working space and high height, there is a great risk to personal safety. The device has a simple design structure, easy to obtain module materials, low processing cost, extremely low overall cost, and simple operation. It can accurately measure the leakage amount of the leakage point at a very low detection cost;

[0076] 3. Low requirements for use. The device can operate close to the wall, so it is not affected by water flow and water quality. It can be used as long as the gate is closed;

[0077] 4. High efficiency: The device is light and easy to operate. It can be easily used by one person. The preparation work is fast and simple. The measurement method adopts visual observation, which can obtain the location information of the leakage point and the leakage amount in real time. The single-time single-point measurement time of one person does not exceed 20 minutes.

[0078] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A gate sealing state detection device, characterized in that: The gate sealing state detection device comprises: A housing (110) is installed, and an observation window (111) and a nozzle (112) are provided. An observation box module (140) is installed in the installation housing (110) and is used to capture external images through the observation window (111); A tracer module (150), installed in the installation housing (110) and used to spray the tracer to the outside through the nozzle (112); A compression rod module (130) is installed on the outside of the installation shell (110) and is used to contact the outside world. The compression rod module (130) comprises a spring compression rod (131), a guide bar (132) and a roller (135). One end of the spring compression rod (131) is connected to the installation shell (110); the guide bar (132) is connected to the other end of the spring compression rod (131), and the length direction of the guide bar (132) is parallel to the vertical direction; the roller (135) is rotatably connected to the guide bar ( The guide bar (132) is provided with a roller (135) whose axis is perpendicular to the length direction of the guide bar (132), and the roller (135) is used for contacting the outside world; the guide bar (132) comprises a straight section (133) and an inclined section (134), and the straight section (133) is perpendicular to the axis of the spring compression rod (131); the inclined section (134) is connected to both ends of the straight section (133), and the inclined section (134) gradually approaches the mounting housing (110) from one end connected to the straight section (133) to the other end; A top cover module (120) is installed on the top of the installation shell (110) and is used to connect cables. The top cover module (120) comprises a top cover (121) and a handle (122). The top cover (121) is provided with an interface (123) and the interface (123) is used to connect cables. The handle (122) is provided on the top cover (121).

2. The gate sealing state detection device according to claim 1, characterized in that: The guide strip (132) is provided with a notch, and a portion of the roller (135) extends out of the notch.

3. The gate sealing state detection device according to claim 1, characterized in that: The observation box module (140) comprises: A transparent housing (141) installed in the installation housing (110); An underwater camera (142) installed in the transparent housing (141) and facing the observation window (111); A transparent medium (143) is filled in the transparent shell (141).

4. The gate sealing state detection device according to claim 1, characterized in that: The tracing module (150) comprises: a tracer box (151) loaded with the tracer, the tracer box (151) being provided with a nozzle, the nozzle being directly opposite to the nozzle opening (112); An extrusion mechanism is installed on one side of the tracer box (151), and is used to squeeze the tracer in the tracer box (151) to be sprayed out from the nozzle.

5. The gate sealing state detection device according to claim 4, characterized in that: The extrusion mechanism comprises: Underwater motor (152); A water guiding mechanism (153) connected to the output shaft of the underwater motor (152); A piston (154) is installed on one side of the tracer box (151), and the piston (154) is used to withstand the water flow pushed by the water guide mechanism (153) and squeeze the tracer.

6. The gate sealing state detection device according to claim 5, characterized in that: The underwater motor (152) and the tracer box (151) are at right angles, and the observation box module (140) is arranged in a region sandwiched between the underwater motor (152) and the tracer box (151).

7. The gate sealing state detection device according to claim 1, characterized in that: The gate sealing state detection device also includes: The universal ball (160) is rotatably mounted on the mounting shell (110) and protrudes outward relative to the mounting shell (110). The universal ball (160) is used to prevent the mounting shell (110) from rubbing against the outside.

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