CN210802357U - Deformation detection device for guide vane connecting rod of bulb tubular unit - Google Patents
Deformation detection device for guide vane connecting rod of bulb tubular unit Download PDFInfo
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- CN210802357U CN210802357U CN201921757866.1U CN201921757866U CN210802357U CN 210802357 U CN210802357 U CN 210802357U CN 201921757866 U CN201921757866 U CN 201921757866U CN 210802357 U CN210802357 U CN 210802357U
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- bulb
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Abstract
The utility model discloses a deformation detection device of bulb through-flow unit stator connecting rod, include: the detection tube comprises an insulating layer and a flexible conducting layer, the insulating layer wraps the flexible conducting layer, and the insulating layer is fixedly attached to a guide vane connecting rod of the bulb tubular turbine unit; the insulating plug is fixedly arranged at the first end of the detection tube; the detection device comprises a current inductor, a first lead and a second lead, and the first end of the first lead extends into the second end of the detection tube and then is connected with the insulation plug; the second end of the first lead is connected with the current sensor, the second lead is connected with the flexible conducting layer and the current sensor, the first lead is a bare wire, and the extending direction of the first lead is parallel to that of the detection tube. The utility model provides a deformation detection device of bulb through-flow unit stator connecting rod can be in time effectual bending deformation who detects the stator connecting rod.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to deformation detection device of bulb through-flow unit stator connecting rod.
Background
The water distributor of the bulb through-flow unit comprises a guide vane, a guide vane sleeve, a guide vane transmission mechanism and a speed regulating ring. The working principle of the hydraulic generator set is that hydraulic oil drives a speed regulating ring, the speed regulating ring drives a transmission mechanism, and then the transmission mechanism drives a guide vane to change an angle so as to control the over-flow of the generator set, thereby regulating the output of the generator set.
The guide vane transmission mechanism comprises a guide vane crank arm, a connecting plate and a connecting rod guide vane, wherein the guide vane transmission mechanism is likely to be blocked by foreign matters in water flow in the adjusting process; when the guide vane is jammed by foreign matter, the connecting rod has lower mechanical strength relative to other elements in the guide vane transmission mechanism, and is easy to deform, bend or break, so that the guide vane transmission mechanism jammed by the foreign matter is not driven any more.
When one guide vane transmission mechanism is not driven any more, the opening degree of the guide vane transmission mechanism is inconsistent with the opening degrees of other guide vane transmission mechanisms. The large vibration generated by the generator set due to unbalanced water power can be caused, the health of equipment is harmed, and the influence on the safety production is caused.
Therefore, there is a need to provide a new device for detecting deformation of a guide vane link of a bulb turbine unit to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a deformation detection device of bulb through-flow unit stator connecting rod for in solving the correlation technique, be not convenient for in time discover the deformation of stator connecting rod, cause equipment loss and influence safety in production's technical problem.
In order to solve the technical problem, the utility model provides a deformation detection device of bulb tubular unit stator connecting rod includes:
the detection tube comprises an insulating layer and a flexible conducting layer, the insulating layer wraps the flexible conducting layer, and the insulating layer is fixedly attached to a guide vane connecting rod of the bulb tubular turbine unit;
the insulating plug is fixedly arranged at the first end of the detection tube;
the detection device comprises a current inductor, a first lead and a second lead, and the first end of the first lead extends into the second end of the detection tube and then is connected with the insulation plug; the second end of the first lead is connected with the current sensor, the second lead is connected with the flexible conducting layer and the current sensor, the first lead is a bare wire, and the extending direction of the first lead is parallel to that of the detection tube.
Preferably, the first end of the insulating plug is plugged into the detection tube and abuts against the flexible conductive layer.
Preferably, the deformation detection device of the guide vane connecting rod of the bulb tubular turbine unit further comprises a fixing piece, and the current inductor is fixedly arranged on the fixing piece.
Preferably, the fixing member is fixedly arranged at the second end of the detection tube.
Preferably, the fixing member is suspended at one side of the detection tube.
Preferably, the detection device further comprises an alarm, and the alarm is in signal connection with the current sensor.
In the deformation detection device for the guide vane connecting rod of the bulb tubular unit, because the insulating layer of the detection tube is fixedly attached to the guide vane connecting rod of the bulb tubular unit, when the guide vane connecting rod is bent and deformed, the detection tube can be bent and deformed, so that the flexible conductive layer of the detection tube is contacted with the first lead; at the moment, a closed circuit is formed among the current inductor, the first lead, the detection tube and the second lead, an ammeter, a battery and a resistor are arranged in the current inductor, the ammeter can measure the current in the conducted closed circuit and deflect, so that a worker can timely and effectively know that the guide vane connecting rod is bent and deformed, and the time and the energy for measuring the deformation of the guide vane connecting rod by the worker are greatly saved.
Further, the staff can in time send the signal to water power plant supervisory equipment through signal transmitter for the monitoring personnel can discover the anomaly of equipment, in time make the processing, prevent to cause major equipment loss, influence safety in production.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of a deformation detection device for a guide vane connecting rod of a bulb turbine unit according to the present invention;
FIG. 2 is a first usage view of the deformation detecting device for the guide vane link of the bulb turbine unit shown in FIG. 1;
FIG. 3 is a schematic circuit diagram of the current sensor shown in FIG. 1;
fig. 4 is a view showing a usage scenario of the deformation detecting apparatus of the guide vane link of the bulb turbine unit shown in fig. 1 according to the second embodiment.
The reference numbers illustrate:
100-deformation detection device of guide vane connecting rod of bulb tubular unit; 1 a-guide vane connecting rod
1-detection tube, 11-insulating layer, 12-flexible conducting layer;
2-an insulating plug;
3-detection means, 31-current sensor, 32-first conductor, 33-second conductor;
4-fixing piece and alarm (not shown).
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a deformation detection device 100 of bulb through-flow unit stator connecting rod.
Referring to fig. 1-2, in a first embodiment of the present invention, a deformation detecting device 100 for a guide vane link of a bulb turbine unit includes:
the detection tube 1 comprises an insulating layer 11 and a flexible conducting layer 12, wherein the insulating layer 11 wraps the flexible conducting layer 12, and the insulating layer 11 is fixedly attached to a guide vane connecting rod 1a of the bulb turbine set;
the insulating plug 2 is fixedly arranged at the first end of the detection tube 1;
the detection device 3 comprises a current sensor 31, a first lead 32 and a second lead 33, wherein the first end of the first lead 32 extends into the second end of the detection tube 1 and then is connected with the insulation plug 2; the second end of the first wire 32 is connected to the current sensor 31, and the second wire 33 is connected to the flexible conductive layer 12 and the current sensor 31, wherein the first wire 32 is a bare wire, and the extending direction of the first wire 32 is parallel to the extending direction of the detection tube 1.
In this embodiment, the insulating layer 11 is made of an insulating material; the flexible conductive layer 12 is made of a conductive material that is easily deformed, such as a thin iron pipe, an elastic iron sheet, and the like.
The insulating layer 11 can be fixedly attached to a guide vane connecting rod 1a of the bulb tubular unit through glue; the guide vane connecting rod 1a can also be fixedly attached to the bulb tubular unit through a binding band. The guide vane connecting rod 1a can also be fixedly attached to the bulb tubular unit through a clamp.
In the deformation detection device 100 for the guide vane connecting rod of the bulb tubular unit, because the insulating layer 11 of the detection tube 1 is fixedly attached to the guide vane connecting rod 1a of the bulb tubular unit, when the guide vane connecting rod 1a is bent and deformed, the detection tube 1 is also bent and deformed, so that the flexible conductive layer 12 of the detection tube 1 is contacted with the first lead 32; at this moment, a closed circuit is formed among the current sensor 31, the first lead 32, the detection tube 1 and the second lead 33, a current meter, a battery and a resistor are arranged in the current sensor 31, and the current meter can measure the current in the closed circuit which is conducted and deflect, so that a worker can timely and effectively know that the guide vane connecting rod 1a is bent and deformed, and the time and the energy spent on measuring the deformation of the guide vane connecting rod 1a by the worker are greatly saved.
Further, the staff can in time send the signal to water power plant supervisory equipment through signal transmitter for the monitoring personnel can discover the anomaly of equipment, in time make the processing, prevent to cause major equipment loss, influence safety in production.
Referring to fig. 2 again, in the embodiment, the first end of the insulating plug 2 can be plugged into the detecting tube 1 and abutted against the flexible conductive layer 12, so that the insulating plug 2 is firmly fixed to the detecting tube 1.
It is understood that in other embodiments, the insulating plug 2 may not be plugged into the detection tube 1, and the insulating plug 2 may be firmly fixed to the detection tube 1 by other fixing devices. The insulating plug 2 is firmly fixed to the detection tube 1, for example, by bolts or screws.
It will be appreciated that the insulating plug 2 is made of an insulating material, such as plastic, wood, foam, etc.
The deformation detection device 100 for the guide vane connecting rod of the bulb turbine unit further comprises a fixing piece 4, and the current inductor 31 is fixedly arranged on the fixing piece 4.
Referring to fig. 2 again, in the present embodiment, the fixing member 4 is fixedly disposed at the second end of the detecting tube 1. The fixing member 4 is the same shape as the insulating plug 2 and is similar in structure.
Referring to fig. 4, in the second embodiment, the fixing member 4 is suspended at one side of the detecting tube 1. The fixing member 4 may be a fixing frame, a fixing plate, or other suitable fixing means.
It is understood that in other embodiments, the deformation detecting device 100 for the guide vane link of the bulb turbine unit may not include the fixing member 4, and the current sensor 31 may be directly fixed to a reasonable position of the insulating layer 11 of the detecting tube 1, for example, a side of the insulating layer 11 facing away from the guide vane link 1 a.
The detection device 3 further comprises an alarm, the alarm is in signal connection with the current sensor, and when current passes through the current sensor 31, the alarm gives an alarm signal.
Referring to fig. 3, the current sensor includes a power source E, an ammeter a, a resistor R and a switch S, a contact state of the first conductive line 32 and the flexible conductive layer 12 is equivalent to an open/close state of the switch S, specifically, when the guide vane link 1a is not deformed, the flexible conductive layer 12 of the detection tube 1 is not in contact with the first conductive line 32, which is equivalent to a state that the switch S is disconnected; when the guide vane pull rod is bent and deformed, the detection tube 1 is deformed, and the flexible conductive layer 12 is in contact with the first lead 32, which is equivalent to the state that the switch S is communicated.
The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (6)
1. The utility model provides a deformation detection device of bulb through-flow unit stator connecting rod which characterized in that includes:
the detection tube comprises an insulating layer and a flexible conducting layer, the insulating layer wraps the flexible conducting layer, and the insulating layer is fixedly attached to a guide vane connecting rod of the bulb tubular turbine unit;
the insulating plug is fixedly arranged at the first end of the detection tube;
the detection device comprises a current inductor, a first lead and a second lead, and the first end of the first lead extends into the second end of the detection tube and then is connected with the insulation plug; the second end of the first lead is connected with the current sensor, the second lead is connected with the flexible conducting layer and the current sensor, the first lead is a bare wire, and the extending direction of the first lead is parallel to that of the detection tube.
2. The apparatus of claim 1, wherein a first end of the insulating plug is inserted into the test tube and abuts against the flexible conductive layer.
3. The device of claim 1, wherein the device further comprises a fixing member, and the current sensor is fixedly mounted on the fixing member.
4. The apparatus of claim 3, wherein the fixture is fixedly disposed at the second end of the inspection tube.
5. The apparatus of claim 3, wherein the fixing member is suspended from one side of the inspection pipe.
6. The apparatus of claim 1, further comprising an alarm connected to the current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757866.1U CN210802357U (en) | 2019-10-20 | 2019-10-20 | Deformation detection device for guide vane connecting rod of bulb tubular unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921757866.1U CN210802357U (en) | 2019-10-20 | 2019-10-20 | Deformation detection device for guide vane connecting rod of bulb tubular unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802357U true CN210802357U (en) | 2020-06-19 |
Family
ID=71230140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921757866.1U Active CN210802357U (en) | 2019-10-20 | 2019-10-20 | Deformation detection device for guide vane connecting rod of bulb tubular unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802357U (en) |
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2019
- 2019-10-20 CN CN201921757866.1U patent/CN210802357U/en active Active
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