Hydrogen leakage detection device for generator pipeline

Abstract

The utility model relates to the technical field of thermal power generation pipeline detection, and discloses a hydrogen leakage detection device for a generator pipeline, which comprises a detection table, two ends of the top of the detection table are respectively and fixedly connected with an adjusting mechanism, and the inside of each adjusting mechanism is fixedly connected with a detection mechanism; the adjusting mechanism comprises a support, the support is fixedly connected to the top of the detection table, transverse seats are fixedly connected to the two sides of the support respectively, a first motor is fixedly connected to the front face of each transverse seat, a two-way screw is fixedly connected to the back face of each first motor, a sliding block is in threaded connection with the surface of each two-way screw, and a telescopic rod is hinged to the bottom end of each sliding block. According to the hydrogen leakage detection device for the generator pipeline, the cross rod and the gear are driven to rotate through the arranged adjusting mechanism, and finally the clamping strip is driven to clamp a workpiece during rotation, so that support stability can be conveniently provided for detection operation during gas leakage detection of the pipeline, and the detection efficiency is improved. And accurate detection data can be conveniently measured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire power generation pipeline detection, specifically to a hydrogen leakage detection device for generator pipeline. BACKGROUND

[0002] In the field of thermal power generation, the safe and stable operation of steam turbine generator units is of great importance. Among them, hydrogen leakage is one of the common safety hazards in the operation of generators. Hydrogen leakage not only leads to a decrease in power generation efficiency, but also may cause serious accidents such as hydrogen explosion, posing a threat to equipment and personnel safety. Therefore, hydrogen leakage detection of generator pipeline is an important measure to ensure the safe operation of power generation equipment, and in the detection, attention should be paid to the high-quality fusion of vibration signals and thermal signals of the detection equipment to ensure accurate fault type judgment; how to build an accurate and reliable risk assessment model to realize real-time tracking and early warning of potential faults such as hydrogen leakage.

[0003] In addition, the traditional hydrogen leakage detection method mainly relies on manual inspection and the use of portable detection instruments, however, these methods have low detection efficiency, insufficient accuracy, limited detection range, resulting in that the detection probe does not fit tightly with the surface of the pipeline, and is prone to missed detection or false detection, in addition, the single clamping point design limits the detection range, and cannot realize multi-position synchronous monitoring, especially for long-distance generator pipeline, which needs to be repeatedly disassembled and adjusted, which is low in efficiency, therefore, a new hydrogen leakage detection device for generator pipeline needs to be designed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a hydrogen leakage detection device for generator pipeline to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A hydrogen leakage detection device for generator pipeline, comprising a detection table, the top of the detection table is fixedly connected with an adjusting mechanism at both ends, and the adjusting mechanism is fixedly connected with a detection mechanism inside;

[0007] The adjusting mechanism comprises a support, the support is fixedly connected to the top of the detection table, the support is fixedly connected with a cross seat on both sides, the cross seat is fixedly connected with a first motor on the front surface, the first motor is fixedly connected with a bidirectional screw rod on the back surface, the surface of the bidirectional screw rod is threadedly connected with a sliding block, the bottom end of the sliding block is hingedly connected with an extension rod, the bottom end of the extension rod is rotatably connected with a horizontal rod inside, the surface of the horizontal rod is fixedly connected with a gear, and the surface of the horizontal rod is fixedly connected with a clamping strip in the middle.

[0008] Preferably, support holes are formed in the support, and the surface of the horizontal rod is rotatably connected with the support holes, so as to facilitate the movement of the horizontal rod in the support holes.

[0009] Preferably, the horizontal seat is internally provided with a guide groove, and the surface of the sliding block is slidably connected with the inside of the guide groove.

[0010] Preferably, the horizontal seat is internally provided with a through hole, and the surface of the bidirectional screw rod is rotatably connected with the inside of the through hole.

[0011] Preferably, the detection mechanism comprises a guide seat, the guide seat is fixedly connected to the inner top of the support, a second motor is fixedly connected to the left end of the guide seat, a lead screw is fixedly connected to the right end of the second motor, a threaded block is threadedly connected to the surface of the lead screw, L-shaped plates are fixedly connected to the front and rear ends of the threaded block respectively, a third motor is fixedly connected to the top of the L-shaped plate, a threaded rod is fixedly connected to the top of the third motor, a cross block is threadedly connected to the surface of the threaded rod, an electric push rod is fixedly connected to the front surface of the cross block, a connecting block is fixedly connected to the back surface of the electric push rod, and a detection device is hingedly connected to the back surface of the connecting block.

[0012] Preferably, the guide seat is internally provided with a sliding groove, and the surface of the threaded block is slidably connected with the inside of the sliding groove, so as to facilitate the sliding of the threaded block in the sliding groove.

[0013] Preferably, the cross block is internally provided with a through hole, and the electric push rod penetrates through the through hole internally provided in the cross block.

[0014] Preferably, the L-shaped plate is internally provided with a vertical groove, and the surface of the cross block is slidably connected with the inside of the vertical groove, so as to facilitate the sliding of the cross block in the vertical groove.

[0015] Preferably, the guide seat is internally provided with a second through hole, and the surface of the lead screw is rotatably connected with the inside of the second through hole.

[0016] Preferably, the top end of the L-shaped plate is internally provided with a third through hole, and the surface of the threaded rod is rotatably connected with the inside of the third through hole.

[0017] Compared with the prior art, the hydrogen leakage detection device for the generator pipeline has the following beneficial effects:

[0018] 1. The hydrogen leakage detection device for the generator pipeline, through the adjusting mechanism, the first motor drives the bidirectional screw rod to rotate under the support of the horizontal seat, thereby driving the sliding block to move, and the telescopic rod changes the length accordingly when rotating, and then drives the horizontal rod and the gear to rotate, and finally drives the clamping strip to clamp the workpiece when rotating, so that the support stability for detection operation can be provided when detecting the air leakage of the pipeline, and accurate detection data can be measured.

[0019] 2, the utility model discloses a hydrogen leakage detection device for generator pipeline, through the detection mechanism set, when L -shaped board moves left and right, drive detection equipment and carry out the detection of pipeline gas leakage, in addition, because detection equipment and connecting block can angularly move, therefore can let third motor drive screw rod when rotating, drive detection equipment up and down, combine L -shaped board and the left and right movement of detection equipment, and then can drive its detection operation to different parts of pipeline workpiece, and expand the detection range. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings:

[0021] Figure 1 It is the overall structure perspective drawing of the utility model;

[0022] Figure 2 It is the three-dimensional split drawing of the adjusting mechanism of the utility model;

[0023] Figure 3 It is the three-dimensional split drawing of the adjusting mechanism part of the utility model;

[0024] Figure 4 It is the three-dimensional split drawing of the detection mechanism of the utility model;

[0025] Figure 5 It is the three-dimensional split drawing of the detection mechanism part of the utility model.

[0026] In the drawing: 1, detection table;2, adjusting mechanism;21, support;22, cross seat;23, first motor;24, bidirectional screw;25, sliding block;26, telescopic rod;27, cross bar;28, gear;29, clamping strip;3, detection mechanism;31, guide seat;32, second motor;33, screw;34, threaded block;35, L-shaped board;351, third motor;36, threaded rod;37, cross block;38, electric push rod;381, connecting block;39, detection equipment. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of protection of the utility model.

[0028] In the utility model, unless another definite provision and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can through intermediate medium indirectly connect, can be two element internal communication or two element's mutual action relationship.For ordinary skilled person in the art, can understand the concrete meaning of above-mentioned term in the utility model according to specific circumstances.

[0029] The utility model provides the following technical scheme:

[0030] Embodiment one

[0031] Combine Figures 2 to 5 A hydrogen leakage detection device for generator pipeline, including detection table 1, detection table 1 top two ends are fixedly connected with adjusting mechanism 2 respectively, adjusting mechanism 2 inside fixedly connected with detection mechanism 3;

[0032] Adjusting mechanism 2 includes support 21, support 21 is fixedly connected to the top of detection table 1, the both sides of support 21 are fixedly connected with cross seat 22 respectively, cross seat 22 front fixedly connected with first motor 23, first motor 23 back fixedly connected with bidirectional screw rod 24, bidirectional screw rod 24 surface is connected with sliding block 25 by screw thread, sliding block 25 bottom hinged with telescopic link 26, telescopic link 26 bottom inside rotationally connected with crossbar 27, crossbar 27 surface fixedly connected with gear 28, crossbar 27 surface middle fixedly connected with clamping strip 29, support 21 inside is provided with support hole, and crossbar 27 surface is rotationally connected with support hole.

[0033] Further, the cross seat 22 is provided with a guide groove, the sliding block 25 is slidably connected with the guide groove, the cross seat 22 is provided with a through hole, and the bidirectional screw rod 24 is rotationally connected with the through hole, so that the first motor 23 drives the bidirectional screw rod 24 to rotate and further drives the sliding block 25 to move, and further drives the telescopic link 26 to change the length when rotating, and further drives the crossbar 27 and the gear 28 to rotate, and finally drives the clamping strip 29 to clamp the workpiece when rotating, so that the support stability for detection operation can be provided when detecting the gas leakage of the pipeline, and accurate detection data can be obtained.

[0034] Embodiment two

[0035] Referring to Figures 1-5And on the basis of embodiment one, further get detection mechanism 3 including guide seat 31, guide seat 31 fixedly connected to the inner side top of support 21, the left end of guide seat 31 is fixedly connected with second motor 32, the right end of second motor 32 is fixedly connected with lead screw 33, the surface of lead screw 33 is threadedly connected with threaded block 34, the front and rear ends of threaded block 34 are fixedly connected with L-shaped plate 35 respectively, the top of L-shaped plate 35 is fixedly connected with third motor 351, the top of third motor 351 is fixedly connected with threaded rod 36, the surface of threaded rod 36 is threadedly connected with cross block 37, the front surface of cross block 37 is fixedly connected with electric push rod 38, the back surface of electric push rod 38 is fixedly connected with connecting block 381, the back surface of connecting block 381 is hingedly connected with detection equipment 39, the inside of guide seat 31 is provided with sliding slot, the surface of threaded block 34 is slidingly connected with the inside of sliding slot.

[0036] Further, the inside of cross block 37 is provided with through hole, electric push rod 38 penetrates through the through hole in the inside of cross block 37, the inside of L-shaped plate 35 is provided with vertical slot, the surface of cross block 37 is slidingly connected with the inside of vertical slot, the both ends of guide seat 31 are provided with perforation two, the surface of lead screw 33 is rotatably connected with the inside of perforation two, the top inside of L-shaped plate 35 is provided with perforation three, the surface of threaded rod 36 is rotatably connected with the inside of perforation three, when L-shaped plate 35 moves left and right, it drives detection equipment 39 to detect pipeline leakage, in addition, since detection equipment 39 and connecting block 381 can be angularly movable, third motor 351 can drive threaded rod 36 to rotate, which drives detection equipment 39 to move up and down, combined with the left and right movement of L-shaped plate 35 and detection equipment 39, it can drive detection equipment 39 to detect different parts of pipeline workpiece and expand the detection range.

[0037] In actual operation process, when the device is used, during hydrogen detection, the pipeline to be detected is first clamped, the pipeline workpiece is placed on detection table 1 inside clamping strip 29, first motor 23 drives bidirectional screw rod 24 to rotate under the support of cross seat 22, which drives sliding block 25 to move, in turn drives telescopic rod 26 to change the corresponding length when rotating, then drives cross rod 27 and gear 28 to rotate, finally drives clamping strip 29 to clamp workpiece when rotating, so that it can provide support stability for detection operation when detecting pipeline leakage, and facilitate to obtain accurate detection data;

[0038] In addition, when detecting, the electric push rod 38 drives the detection device 39 to move and adhere to the pipe detection position, and the second motor 32 can drive the screw rod 33 to rotate and drive the threaded block 34 to move, so as to drive the L-shaped plate 35 to move left and right and drive the detection device 39 to detect the pipe leakage. In addition, since the detection device 39 and the connecting block 381 can be angularly movable, the third motor 351 can drive the threaded rod 36 to rotate and drive the detection device 39 to move up and down. Combined with the left and right movement of the L-shaped plate 35 and the detection device 39, the detection device 39 can be driven to detect different parts of the pipe workpiece and expand the detection range.

[0039] It should be noted that the relational terms herein, such as first and second, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the recited element(s).

Claims

1. A hydrogen leak detection device for generator pipelines, comprising a detection platform (1), characterized in that: The top two ends of the testing platform (1) are fixedly connected to adjustment mechanisms (2), and the testing mechanism (3) is fixedly connected inside the adjustment mechanism (2); The adjustment mechanism (2) includes a bracket (21), which is fixedly connected to the top of the testing platform (1). A cross seat (22) is fixedly connected to both sides of the bracket (21). A first motor (23) is fixedly connected to the front of the cross seat (22). A bidirectional screw (24) is fixedly connected to the back of the first motor (23). A slider (25) is threadedly connected to the surface of the bidirectional screw (24). A telescopic rod (26) is hinged to the bottom end of the slider (25). A cross bar (27) is rotatably connected to the bottom end of the telescopic rod (26). A gear (28) is fixedly connected to the surface of the cross bar (27). A clamping strip (29) is fixedly connected to the middle of the surface of the cross bar (27).

2. The hydrogen leak detection device for generator pipelines according to claim 1, characterized in that: The bracket (21) has a support hole inside, and the surface of the crossbar (27) is rotatably connected to the support hole.

3. The hydrogen leak detection device for generator pipelines according to claim 1, characterized in that: The horizontal seat (22) has a guide groove inside, and the surface of the slider (25) is slidably connected to the inside of the guide groove.

4. The hydrogen leak detection device for generator pipelines according to claim 1, characterized in that: A through hole is formed inside the horizontal seat (22), and the surface of the bidirectional screw (24) is rotatably connected to the inside of the through hole.

5. A hydrogen leak detection device for generator pipelines according to claim 1, characterized in that: The detection mechanism (3) includes a guide seat (31), which is fixedly connected to the top of the inner side of the bracket (21). A second motor (32) is fixedly connected to the left end of the guide seat (31), and a lead screw (33) is fixedly connected to the right end of the second motor (32). A threaded block (34) is threadedly connected to the surface of the lead screw (33). An L-shaped plate (35) is fixedly connected to the front and rear ends of the threaded block (34). A third motor (351) is fixedly connected to the top of the L-shaped plate (35). A threaded rod (36) is fixedly connected to the top of the third motor (351). A cross block (37) is threadedly connected to the surface of the threaded rod (36). An electric push rod (38) is fixedly connected to the front of the cross block (37). A connecting block (381) is fixedly connected to the back of the electric push rod (38). A detection device (39) is hinged to the back of the connecting block (381).

6. A hydrogen leak detection device for generator pipelines according to claim 5, characterized in that: The guide seat (31) has a sliding groove inside, and the surface of the threaded block (34) is slidably connected to the inside of the sliding groove.

7. A hydrogen leak detection device for generator pipelines according to claim 5, characterized in that: The cross block (37) has a through hole inside, and the electric actuator (38) passes through the through hole inside the cross block (37).

8. A hydrogen leak detection device for generator pipelines according to claim 5, characterized in that: The L-shaped plate (35) has a vertical groove inside, and the surface of the cross block (37) is slidably connected to the inside of the vertical groove.

9. A hydrogen leak detection device for generator pipelines according to claim 5, characterized in that: The guide seat (31) has two through holes at both ends, and the surface of the lead screw (33) is rotatably connected to the inside of the two through holes.

10. A hydrogen leak detection device for generator pipelines according to claim 5, characterized in that: The L-shaped plate (35) has a perforation three inside its top end, and the surface of the threaded rod (36) is rotatably connected to the inside of the perforation three.

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