Shake measuring device for nuclear power pipeline

Abstract

The utility model discloses a shake measuring device for a nuclear power pipeline, a measured object is installed on the nuclear power pipeline, and the shake measuring device comprises a measuring mechanism, a space adjusting mechanism, a supporting mechanism and a moving mechanism. According to the shake measuring device for the nuclear power pipeline, the change of the distance between the shake measuring device and a measured object can be accurately measured through the laser sensor, pulse signals are provided for the laser sensor through the controller, the maximum value and the minimum value of the displacement of the measured object within the preset measuring time are achieved, the maximum shake amplitude of the pipeline can be directly obtained conveniently, and the measurement accuracy is improved. The low-frequency shaking amplitude of the nuclear power pipeline can be effectively measured, the applicability is high, and the measurement result is stable. And the spatial position of the measuring mechanism can be adjusted through the arrangement of the spatial adjusting mechanism, the height position of the measuring mechanism can be adjusted through the supporting mechanism, and position adjustment of the measuring mechanism is facilitated. And a moving mechanism is also arranged, so that the whole shake measuring device can move conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power plant pipeline maintenance field, especially a kind of for nuclear power pipeline's sway measuring device. BACKGROUND

[0002] Nuclear energy is an economic, safe, reliable, clean energy, only need to use natural uranium as resource, theoretically will not cause greenhouse gas emissions and environmental pollution problems. Development nuclear power, must solve the safety problem of nuclear power plant. There is a low-frequency sway phenomenon in many nuclear power pipelines in industrial field, if sway abnormal phenomenon appears, it proves that nuclear power pipeline has certain problems, currently there is no special device to measure the sway of nuclear power pipeline. UTILITY MODEL CONTENT

[0003] The utility model solves the technical problem, and provides a kind of for nuclear power pipeline's sway measuring device.

[0004] The utility model solves the technical problem and adopts the technical scheme that a kind of for nuclear power pipeline's sway measuring device is constructed, measured object is installed on nuclear power pipeline, it includes measuring mechanism, space adjusting mechanism, support mechanism and mobile mechanism;

[0005] The measuring mechanism includes laser sensor and controller, the laser sensor is used to measure the distance from the measured object, and the controller is used to provide pulse signal for the laser sensor, to obtain the maximum value and minimum value of the displacement amount of the measured object within the preset measurement time;

[0006] The space adjusting mechanism is connected with the measuring mechanism, and is used to adjust the spatial position of the measuring mechanism;

[0007] The support mechanism is connected with the space adjusting mechanism, and is used to adjust the height position of the measuring mechanism and the space adjusting mechanism;

[0008] The mobile mechanism is connected with the support mechanism, and is used to drive the measuring mechanism, the space adjusting mechanism and the support mechanism to move.

[0009] In some embodiments, the support mechanism includes a support seat, a plurality of connecting pieces connected below the support seat, a first telescopic pipe connected above the support seat, and a second telescopic pipe movably connected with the first telescopic pipe.

[0010] In some embodiments, the support mechanism further includes a height fixing member installed on the second telescopic pipe;

[0011] The first telescopic pipe is provided with a plurality of positioning holes along its height direction, and the height fixing member is connected with the positioning holes to fix the relative positions of the first telescopic pipe and the second telescopic pipe.

[0012] In some embodiments, the second telescopic pipe is provided with a receiving seat.

[0013] In some embodiments, the height fixing member is a spring plunger.

[0014] In some embodiments, the moving mechanism comprises a moving mounting seat connected with the connecting member and a universal wheel mounted below the moving mounting seat.

[0015] In some embodiments, the space adjusting mechanism comprises a first adjusting connecting seat connected with the second telescopic pipe, a first adjusting connecting rod hingedly connected with the first adjusting connecting seat, a second adjusting connecting seat connected with the first adjusting connecting rod, a second adjusting connecting rod hingedly connected with the second adjusting connecting seat, and a third adjusting connecting seat connected with the second adjusting connecting rod.

[0016] In some embodiments, the space adjusting mechanism further comprises an adjusting limiting member hingedly connected with the third adjusting connecting seat and a sensor mounting seat connected with the adjusting limiting member, and the laser sensor is mounted on the sensor mounting seat.

[0017] In some embodiments, the space adjusting mechanism further comprises a first adjusting locking member mounted on the first adjusting connecting seat and used for fixing the relative positions of the first adjusting connecting rod and the first adjusting connecting seat, a second adjusting locking member mounted on the second adjusting connecting seat and used for fixing the relative positions of the second adjusting connecting rod and the second adjusting connecting seat, and a third adjusting locking member mounted on the third adjusting connecting seat and used for fixing the relative positions of the third adjusting connecting seat and the adjusting limiting member.

[0018] In some embodiments, the measuring mechanism further comprises a data display used for displaying the measurement data of the laser sensor and a mobile power supply used for providing power supply for the laser sensor.

[0019] The utility model discloses a following beneficial effect has: this be used for nuclear power pipeline's swing measuring device utilizes laser sensor and can accurately measure the distance change with the measured object, and through the controller provides the pulse signal for laser sensor, is used for realizing the maximum value and minimum value of the displacement of measured object in the preset measurement time, directly obtains the swing maximum amplitude of pipeline, can realize the effective measurement of nuclear power pipeline's low frequency swing amplitude, and the suitability is strong, and the measurement result is stable. And utilize the setting of space adjusting mechanism can adjust the spatial position of measuring mechanism, utilize the height position of supporting mechanism and can adjust measuring mechanism, and the position adjustment of measuring mechanism is facilitated. Still set up the mobile mechanism and facilitate the whole swing measuring device to move. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the utility model, the following will combine with the drawings and examples to make further explanation to the utility model, should understand, the following drawings only show some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other related drawings according to these drawings. In the drawings:

[0021] Figure 1 It is the whole structure schematic diagram of the swing measuring device for nuclear power pipeline of the utility model. DETAILED DESCRIPTION

[0022] In order to have more clear understanding to the technical features, the object and the effect of the utility model, now compare the drawings to explain the concrete implementation mode of the utility model in detail. In the following description, need to understand, "before", "after", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and so on the direction or position relationship indicated for the direction or position relationship shown in the drawing, with the particular direction structure and operation, only is for the convenience of describing this technical scheme, and is not the indication of the device or element must have the particular direction, therefore can not be understood as the limitation to the utility model.

[0023] It should be noted that, unless otherwise expressly specified and limited, the terms "mounting", "connecting", "connecting", "fixing", "arranging" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the technical solutions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly included one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Reference Figure 1 The present application is a kind of for nuclear power pipeline in some embodiments of the application Shaking measurement device, measured object is installed on nuclear power pipeline, the Shaking measurement device for nuclear power pipeline includes measuring mechanism 1, space adjustment mechanism 2, support mechanism 3 and moving mechanism 4. The measuring mechanism 1 includes laser sensor 11 and controller, laser sensor 11 is used to measure the distance from the measured object, and the controller is used to provide pulse signal for laser sensor 11 to obtain the maximum and minimum of the displacement of the measured object within the preset measurement time;Space adjustment mechanism 2 is connected with measuring mechanism 1, and is used to adjust the spatial position of measuring mechanism 1;Support mechanism 3 is connected with space adjustment mechanism 2, and is used to adjust the height position of measuring mechanism 1 and space adjustment mechanism 2;Moving mechanism 4 is connected with support mechanism 3, and is used to drive measuring mechanism 1, space adjustment mechanism 2 and support mechanism 3 to move.

[0025] Specifically, the laser sensor 11 is a sensor that measures by using laser technology, which can realize non-contact long-distance measurement, fast speed, high precision, large range and strong anti-light and electrical interference ability. In this embodiment, the distance change between the laser sensor 11 and the measured object is accurately measured, the measured object is placed on the pipeline, the measured object is used as a reference object, the controller provides pulse signal for the laser sensor 11, and the maximum and minimum of the displacement of the measured object within the preset measurement time are obtained, so as to directly obtain the maximum amplitude of the pipeline shaking.

[0026] Understandably, the shaking measuring device for nuclear power pipeline can accurately measure the distance change of the laser sensor 11 with the measured object, and the controller provides a pulse signal for the laser sensor 11, so as to realize the maximum and minimum of the displacement of the measured object within the preset measurement time, facilitate the direct acquisition of the maximum amplitude of the pipeline shaking, and realize the effective measurement of the low-frequency shaking amplitude of the nuclear power pipeline. Strong applicability, stable measurement result. And the space adjusting mechanism 2 can be used to adjust the spatial position of the measuring mechanism 1, and the supporting mechanism 3 can be used to adjust the height position of the measuring mechanism 1, which facilitates the position adjustment of the measuring mechanism 1. The moving mechanism 4 is also provided to facilitate the movement of the whole shaking measuring device.

[0027] Further, the supporting mechanism 3 comprises a supporting seat 31, a plurality of connecting pieces 32 connected below the supporting seat 31, a first telescopic pipe 33 connected above the supporting seat 31, and a second telescopic pipe 34 movably connected with the first telescopic pipe 33. The supporting mechanism 3 further comprises a height fixing piece 35 installed on the second telescopic pipe 34, and a plurality of positioning holes 331 are formed in the first telescopic pipe 33 along the height direction thereof, and the height fixing piece 35 is connected with the positioning holes 331 to fix the relative position of the first telescopic pipe 33 and the second telescopic pipe 34. Understandably, the second telescopic pipe 34 can be sleeved on the outside of the first telescopic pipe 33, and when adjusted to the appropriate height, the height fixing piece 35 can be inserted into the positioning hole 331 to fix the position between the second telescopic pipe 34 and the first telescopic pipe 33. The height fixing piece 35 can be a spring plunger, which can be provided with a spring inside the screw thread, and the spring plunger is threadedly connected with the second telescopic pipe 34 outside, and when adjusted to the appropriate height, the clamping end of the spring plunger can be automatically popped out and clamped into the positioning hole 331, and when moving is needed, the spring plunger can be screwed, at which time the clamping end of the spring plunger exits the positioning hole 331, and then subsequent adjustment can be carried out.

[0028] In addition, the second telescopic pipe 34 is provided with a containing seat 36, which can be used to place objects such as wrenches, data displays and other objects.

[0029] The moving mechanism 4 comprises a moving mounting seat 41 connected with the connecting pieces 32 and universal wheels 42 installed below the moving mounting seat 41. The number of the above-mentioned connecting pieces 32 is preferably three, and the triangular support can ensure the stability of the supporting mechanism 3 as a whole, and the number of the universal wheels 42 is also three, which can facilitate the overall movement of the shaking measuring device.

[0030] The space adjusting mechanism 2 comprises a first adjusting connecting seat 21 connected with the second telescopic pipe 34, a first adjusting connecting rod 22 hinged with the first adjusting connecting seat 21, a second adjusting connecting seat 23 connected with the first adjusting connecting rod 22, a second adjusting connecting rod 24 hinged with the second adjusting connecting seat 23, and a third adjusting connecting seat 25 connected with the second adjusting connecting rod 24. The space adjusting mechanism 2 further comprises an adjusting limiting piece 26 hinged with the third adjusting connecting seat 25, and a sensor mounting seat 27 connected with the adjusting limiting piece 26, and the laser sensor 11 is mounted on the sensor mounting seat 27. The above-mentioned hinged manner can be hinged through a rotating shaft, and the first adjusting connecting rod 22, the second adjusting connecting rod 24 and the sensor mounting seat 27 can facilitate the space adjustment of the measuring mechanism 1, and can be adjusted in rotation according to the measured object and the site condition, so as to adjust the space position of the measuring mechanism 1. In addition, the second telescopic pipe 34 and the first adjusting connecting seat 21, the first adjusting connecting rod 22 and the second adjusting connecting seat 23, and the second adjusting connecting rod 24 and the third adjusting connecting seat 25 can be fixedly connected through bolts or buckles.

[0031] The space adjusting mechanism 2 further comprises a first adjusting locking piece 281 mounted on the first adjusting connecting seat 21 and used for fixing the relative position of the first adjusting connecting rod 22 and the first adjusting connecting seat 21, a second adjusting locking piece 282 mounted on the second adjusting connecting seat 23 and used for fixing the relative position of the second adjusting connecting rod 24 and the second adjusting connecting seat 23, and a third adjusting locking piece 283 mounted on the third adjusting connecting seat 25 and used for fixing the relative position of the third adjusting connecting seat 25 and the adjusting limiting piece 26. The above-mentioned adjusting locking pieces can be threadedly connected with the corresponding mounting parts, and when it is needed to fix the relative position of the first adjusting connecting rod 22 and the first adjusting connecting seat 21, the second adjusting connecting rod 24 and the second adjusting connecting seat 23, or the third adjusting connecting seat 25 and the adjusting limiting piece 26, the adjusting locking piece can be screwed, and at this time, the adjusting locking piece abuts against the rotating shaft, so that the corresponding part of the adjusting locking piece is also locked and cannot move, and the fixing of the relative position is completed.

[0032] The measuring mechanism 1 further comprises a data display used for displaying the measurement data of the laser sensor 11, and a mobile power supply used for providing power supply for the laser sensor 11. The data display can display real-time measurement data, and the mobile power supply can be a 24V portable mobile power supply.

[0033] It can be understood that the above embodiments only express the preferred embodiments of the utility model, the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope; it should be pointed out that for ordinary skilled person in the art, the above technical features can be freely combined without departing from the concept of the utility model, and a number of modifications and improvements can be made, which belong to the protection scope of the utility model; therefore, any equivalent transformation and modification within the scope of the utility model patent claim should belong to the scope of the utility model patent claim.

Claims

1. A device for measuring the sway of a nuclear power plant pipe, a measured object being attached to the nuclear power plant pipe, characterized by, The measuring mechanism (1), the space adjusting mechanism (2), the supporting mechanism (3) and the moving mechanism (4) are included. The measuring mechanism (1) includes a laser sensor (11) for measuring the distance from the measured object and a controller for providing a pulse signal to the laser sensor (11) to obtain the maximum and minimum values of the displacement of the measured object within a preset measurement time. The space adjusting mechanism (2) is connected with the measuring mechanism (1) and is used for adjusting the spatial position of the measuring mechanism (1). The supporting mechanism (3) is connected with the space adjusting mechanism (2) and is used for adjusting the height position of the measuring mechanism (1) and the space adjusting mechanism (2). The moving mechanism (4) is connected with the supporting mechanism (3) and is used for driving the measuring mechanism (1), the space adjusting mechanism (2) and the supporting mechanism (3) to move.

2. The slosh measurement device for nuclear plant piping according to claim 1, characterized by, The supporting mechanism (3) includes a supporting seat (31), a plurality of connecting pieces (32) connected below the supporting seat (31), a first telescopic pipe (33) connected above the supporting seat (31), and a second telescopic pipe (34) movably connected with the first telescopic pipe (33).

3. The slosh measurement device for nuclear piping according to claim 2, characterized by, The supporting mechanism (3) further includes a height fixing piece (35) installed on the second telescopic pipe (34). A plurality of positioning holes (331) are formed in the first telescopic pipe (33) along the height direction thereof, and the height fixing piece (35) is connected with the positioning holes (331) to fix the relative positions of the first telescopic pipe (33) and the second telescopic pipe (34).

4. The slosh measurement device for nuclear plant piping according to claim 2, characterized by, The second telescopic pipe (34) is provided with a containing seat (36).

5. The slosh measurement device for nuclear piping according to claim 3, characterized by The height fixing piece (35) is a spring plunger.

6. The slosh measurement device for nuclear piping according to claim 3, characterized by The moving mechanism (4) includes a moving mounting seat (41) connected with the connecting pieces (32) and a universal wheel (42) installed below the moving mounting seat (41).

7. The slosh measurement device for nuclear piping according to claim 2, characterized by The space adjusting mechanism (2) includes a first adjusting connecting seat (21) connected with the second telescopic pipe (34), a first adjusting connecting rod (22) hinged with the first adjusting connecting seat (21), a second adjusting connecting seat (23) connected with the first adjusting connecting rod (22), a second adjusting connecting rod (24) hinged with the second adjusting connecting seat (23), and a third adjusting connecting seat (25) connected with the second adjusting connecting rod (24).

8. The slosh measurement device for nuclear piping according to claim 7, characterized by The space adjusting mechanism (2) further includes an adjusting limiting piece (26) hinged with the third adjusting connecting seat (25) and a sensor mounting seat (27) connected with the adjusting limiting piece (26), and the laser sensor (11) is installed on the sensor mounting seat (27).

9. The slosh measurement device for nuclear piping according to claim 8, characterized by, The space adjusting mechanism (2) further comprises a first adjusting locking member (281) installed on the first adjusting connecting seat (21) and used for fixing the relative position of the first adjusting connecting rod (22) and the first adjusting connecting seat (21), a second adjusting locking member (282) installed on the second adjusting connecting seat (23) and used for fixing the relative position of the second adjusting connecting rod (24) and the second adjusting connecting seat (23), and a third adjusting locking member (283) installed on the third adjusting connecting seat (25) and used for fixing the relative position of the third adjusting connecting seat (25) and the adjusting limiting member (26).

10. The slosh measurement device for nuclear plant piping according to claim 1, characterized by, The measuring mechanism (1) further comprises a data display used for displaying the measurement data of the laser sensor (11) and a mobile power supply used for providing power supply for the laser sensor (11).

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