A guide vane opening consistency measuring and checking tool

Abstract

The present application relates to a kind of guide vane opening consistency measurement and check tool, including support, gauge, first measuring arm, second measuring arm and level;Level is arranged on the support, support is provided with movable left ruler and right ruler, level is adjusted to horizontal center position with left ruler and right ruler;Left ruler and right ruler have the state of being received in support;Gauge and support are slidingly engaged;First measuring arm and second measuring arm are consistent in length, and one end is hinged with gauge, and can be changed angle according to guide vane opening on gauge, and form the included angle of separate measurement reading with support;By left ruler, right ruler and level being arranged on support and gauge being slidingly engaged with support, horizontal reference centering in different models of guide vane and measurement environment can be realized, and the accuracy of measurement reading is improved;By the measuring arm being hinged on gauge and cooperating with support, separate measurement reading is realized, and a variety of angle measurement requirements are adapted.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of guide vane opening measurement, in particular to a guide vane opening consistency measurement and inspection tool. BACKGROUND

[0002] Due to the errors in the processing and manufacturing and installation of the water guide mechanism, and the wear of the related parts of the water guide mechanism in the long-term operation of the unit, the opening inconsistency between the adjacent guide vanes is prone to occur, which leads to shutdown difficulty and affects the safe and stable operation of the power station, so it is necessary to check the opening error between the adjacent guide vanes during the unit maintenance.

[0003] At present, during the maintenance of the unit of the power plant, the commonly used method for measuring the guide vane opening is that personnel lie down between the fixed guide vanes, insert a clip into the guide vane gap to adjust the opening size of the clip, and then determine whether the clip is in a suitable measurement position according to experience after the clip is attached to the curved surfaces of the two side guide vanes. After confirmation, the clip is taken out, and the opening chord length of the clip is measured by using a vernier caliper to obtain an approximate value of the guide vane opening.

[0004] The measurement tools for the guide vane opening in the prior art are continuously optimized. For example, CN206832159U proposes a high-precision caliper for measuring the guide vane opening, and CN108871154 proposes a pull rope type guide vane opening measurement device, which can realize simultaneous measurement and reading function, but is limited by the uncertainty of different types of guide vanes and measurement references. Therefore, auxiliary measurement tools need to be added during specific measurement, which leads to low measurement efficiency. For example, CN108871155A proposes an angle type guide vane opening measurement device, which solves the measurement problem of different types of guide vanes on the basis of measurement and reading, but cannot guarantee the uniformity of the measurement reference, and the error caused by the measurement reference cannot be eliminated. SUMMARY

[0005] The technical problem to be solved by the present application is to overcome the problem that the accuracy of the measurement result, the uniformity of the measurement reference and the universality of the measurement tool in the prior art cannot be satisfied at the same time, so as to provide a guide vane opening consistency measurement and inspection tool.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0007] A guide vane opening consistency measurement and inspection tool, comprising a support and a measurement assembly, the measurement assembly comprising a gauge, a first measurement arm, a second measurement arm and a level;

[0008] The level is arranged on the support, the support is provided with a left ruler and a right ruler, the left ruler and the right ruler are movably inserted into the support, and the level adjusts the support to a horizontal and centered position in cooperation with the left ruler and the right ruler.

[0009] and the left ruler and the right ruler are accommodated in the bracket;

[0010] The gauge and the bracket are slidingly connected;

[0011] The first measuring arm and the second measuring arm have the same length, and one end of the first measuring arm and one end of the second measuring arm are hingedly connected to the same position of the gauge;

[0012] The first measuring arm and the second measuring arm are free to change angles according to the guide vane opening and correspond on the gauge.

[0013] Preferably, the left end of the bracket is provided with a first square slot, and the right end of the bracket is provided with a second square slot,

[0014] The length of the first square slot and the length of the second square slot are less than or equal to the length of the bracket,

[0015] The length of the left ruler is less than or equal to the length of the first square slot;

[0016] The length of the right ruler is less than or equal to the length of the second square slot;

[0017] The left ruler is movably inserted into the first square slot, and the right ruler is movably inserted into the second square slot;

[0018] The left ruler is accommodated in the first square slot, and the right ruler is accommodated in the second square slot;

[0019] The first square slot is provided with a first pre-tightening hole in communication, and a first pre-tightening member passes through the first pre-tightening hole and abuts against the left ruler to control the extension and fixation of the left ruler;

[0020] The second square slot is provided with a second pre-tightening hole in communication, and a second pre-tightening member passes through the second pre-tightening hole and abuts against the right ruler to control the extension or fixation of the right ruler.

[0021] Preferably, the left ruler and the right ruler are each provided with a positive scale starting from zero and a negative scale starting from the maximum ruler distance;

[0022] And the left ruler and the right ruler are each provided with a magnetic member at the extending end for magnetic fixation of the guide vane.

[0023] Preferably, the upper surface of the bracket is provided with a dovetail groove,

[0024] The bottom of the gauge is provided with a fixed sliding block, and the fixed sliding block is slidingly connected with the dovetail groove;

[0025] The gauge slides with the fixed slider in the dovetail groove.

[0026] Preferably, the fixed slider is provided with a fixing hole at both ends, and a fastener passes through the fixing hole and abuts against the bottom of the dovetail groove to control the movement or fixation of the fixed slider.

[0027] Preferably, the gauge further comprises a scale surface in the shape of a sector, the scale surface being provided with a central hole, and one end of the first measuring arm and one end of the second measuring arm are hinged to the central hole,

[0028] The scale surface is further provided with a sector hole, and the central hole is located below the sector hole.

[0029] Preferably, the end of the first measuring arm that is not hinged to the gauge is provided with a first caliper, the end of the second measuring arm that is not hinged to the gauge is provided with a second caliper, the first caliper and the second caliper have the same length, the first caliper is movably inserted into the first measuring arm, and the second caliper is movably inserted into the second measuring arm.

[0030] The length of the first caliper is less than or equal to the length of the first measuring arm, and the length of the second caliper is less than or equal to the length of the second measuring arm.

[0031] The first caliper has a state of being accommodated in the first measuring arm, and the second caliper has a state of being accommodated in the second measuring arm.

[0032] The first caliper and the second caliper can rotate with the first measuring arm and the second measuring arm around the gauge according to the guide vane opening, and form an included angle for separate measurement reading together with the support.

[0033] Preferably, the first measuring arm is provided with a third pre-tightening hole, and a third pre-tightening member passes through the third pre-tightening hole and abuts against the first caliper to control the extension or fixation of the first caliper.

[0034] The second measuring arm is provided with a fourth pre-tightening hole, and a fourth pre-tightening member passes through the fourth pre-tightening hole and abuts against the second caliper to control the extension or fixation of the second caliper.

[0035] Preferably, the upper surface of the support is provided with a positioning portion, and the first measuring arm and the second measuring arm rotate around the gauge towards the positioning portion and are folded on the positioning portion.

[0036] The support is provided with a mounting hole, and the level is mounted in the mounting hole and adjusts the horizontal angle of the support when measuring the guide vane opening.

[0037] Preferably, the scales of the measuring assembly are fluorescent scales.

[0038] Compared with the prior art, the application has the beneficial effects that:

[0039] The guide vane opening degree consistency measurement and inspection tool provided in the technical solution has the advantages that: the left ruler, the right ruler and the level meter arranged on the bracket and the gauge in cooperation with the bracket sliding can realize horizontal reference centering in different types of guide vanes and different measurement environments, solve the measurement reading error problem, meet the unity of the measurement reference and the opening degree measurement requirements of different types of guide vanes, and improve the accuracy of the measurement reading. BRIEF DESCRIPTION OF DRAWINGS

[0040] In order to more clearly illustrate the technical solutions in the specific embodiments or the prior art of the present application, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0041] Figure 1 The overall structure schematic diagram of the consistency measurement and inspection tool provided by the present application.

[0042] Figure 2 The maximum opening degree measurement schematic diagram of the consistency measurement and inspection tool provided in an embodiment.

[0043] Figure 3 The minimum opening degree measurement schematic diagram of the consistency measurement and inspection tool provided in another embodiment.

[0044] Figure 4 The structure schematic diagram of the bracket shown. Figure 1

[0045] The structure schematic diagram of the gauge shown. Figure 5 Figure 1 The structure schematic diagram of the gauge shown.

[0046] The structure schematic diagram of the first measurement arm and the second measurement arm shown. Figure 6 Figure 1 The structure schematic diagram of the first measurement arm and the second measurement arm shown.

[0047] Explanation of reference signs:

[0048] 1, bracket; 11, level meter; 12, first square groove; 121, left ruler; 122, first pre-tightening hole; 1221, first pre-tightening piece; 13, second square groove; 131, right ruler; 132, second pre-tightening hole; 1321, second pre-tightening piece; 14, magnetic piece; 15, dovetail groove; 16, positioning part; 17, mounting hole;

[0049] ​2, gauge; 21, fixed slider; 211, fixed hole; 22, scale surface; 221, center hole; 222, sector hole; 23, fastener;

[0050] 3, first measuring arm; 31, first caliper; 311, third pre-tightening member; 3111, third pre-tightening hole; 4, second measuring arm; 41, second caliper; 411, fourth pre-tightening member; 4111, fourth pre-tightening hole. DETAILED DESCRIPTION

[0051] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0052] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0053] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] The embodiment of the present application provides a guide vane opening consistency measurement and inspection tool, such as Figure 1As shown, including support 1 and measurement assembly; wherein the support 1 is used to connect and install the measurement assembly, the measurement assembly includes the gauge 2, the first measuring arm 3, the second measuring arm 4 and the level 11; wherein the first measuring arm 3 and the second measuring arm 4 are used to cooperate with the gauge 2 to measure the guide vane opening, and the level 11 is used to cooperate with the support 1 to adjust the level and select the best measurement position for measurement and inspection; the level 11 is arranged on the support 1; and the support 1 is further provided with a left ruler 121 and a right ruler 131, and the left ruler 121 and the right ruler 131 are movably connected with the support 1; further, when the left ruler 121 and the right ruler 131 are used in combination with the level 11 and the support 1, the support 1 can be adjusted to a horizontal central position, and the horizontal reference centering function is realized in the process of measuring different types of guide vanes, and the accuracy of measurement reading is improved; and the left ruler 121 and the right ruler 131 can be stored in the support 1; and then the space is minimized, which is convenient for measurement personnel to carry; the gauge 2 is movably connected with the support 1, and the gauge 2 can slide back and forth on the support 1 in the horizontal direction, so that the measurement personnel can meet the uniformity of the measurement reference in different environments, and the accurate measurement and reading of different types of guide vane openings can be realized; the first measuring arm 3 and the second measuring arm 4 have the same length, one end of the first measuring arm 3 and one end of the second measuring arm 4 are hingedly connected with the same position of the gauge 2, and can freely change the angle according to the opening of the guide vane and correspond on the gauge 2, cooperate with the support 1 to form the included angle of the separate measurement reading, and facilitate the staff to adjust the reference during measurement.

[0055] As shown in Figure 2 and Figure 3 When the measurement personnel measures the guide vane opening, the gauge 2 is slid on the support 1 to the appropriate position; and the first measuring arm 3 and the second measuring arm 4 hingedly connected with the gauge 2 change the angle according to the opening of the guide vane and correspond on the gauge 2, so that the measurement reading is consistent; when the measurement accuracy is reduced due to the limitation of the measurement environment and different types of guide vanes, the left ruler 121, the right ruler 131 and the level 11 arranged on the support 1 can be used to adjust the support 1 to a horizontal central position, and then the gauge 2 is slid to the appropriate position on the support 1, and then the measurement reading is started, so that the measurement accuracy is improved while the measurement result is checked; the gauge 2 slidably connected with the support 1 can also be adjusted with the left ruler 121, the right ruler 131 and the level 11 arranged on the support 1 to the horizontal reference centering, so as to meet the uniformity of the measurement reference and improve the measurement accuracy; and in some embodiments, a long ruler can be used instead of the left ruler 121 and the right ruler 131 to realize the horizontal reference centering with the gauge; in this embodiment, when the left ruler 121 and the right ruler 131 are fully extended, the total length of the horizontal reference can be expanded by about three times in cooperation with the support; and the left ruler 121 and the right ruler 131 movably connected in the support 1 are used according to the actual situation.

[0056] By setting the left ruler 121, the right ruler 131 and the level 11 on the support 1 and the gauge 2 in sliding cooperation with the support 1, the horizontal reference centering can be realized in different types of guide vanes and different measurement environments, the measurement reading error problem is solved, the unity of the measurement reference and the different type guide vane opening measurement requirements are met, and the precision of the measurement reading is improved; further, by cooperation of the first measurement arm 3 and the second measurement arm 4 hinged on the gauge 2 with the support 1 with the caliper, the individual measurement reading can be realized, the various angle measurement requirements can be adapted, and the reference is convenient for the staff to adjust during measurement.

[0057] As shown in Figure 1 and Figure 4 , the first square groove 12 is arranged at the left end of the support 1, the second square groove 13 is arranged at the right end of the support 1, the first square groove 12 and the second square groove 13 are arranged at the left and right ends of the support 1; and the lengths of the first square groove 12 and the second square groove 13 are less than the length of the support 1, the length of the left ruler 121 is less than or equal to the length of the first square groove 12, the left ruler 121 is conveniently accommodated in the first square groove 12, the length of the right ruler 131 is less than or equal to the length of the second square groove 13, and the right ruler 131 is conveniently accommodated in the second square groove 13; further, the left ruler 121 is movably inserted into the first square groove 12, and the left ruler 121 can be extended from or accommodated in the first square groove 12; the right ruler 131 is movably inserted into the second square groove 13, and the right ruler 131 can be extended from or accommodated in the second square groove 13; the first square groove 12 and the second square groove 13 are arranged in a staggered manner at the two ends of the support 1, and the left ruler 121 and the right ruler 131 are conveniently accommodated; it is worth noting that the first pre-tightening hole 122 is arranged in communication on the first square groove 12, the first pre-tightening piece 1221 can abut against and pre-tighten the left ruler 121 in the first square groove 12 through the first pre-tightening hole 122, and the extension and fixation of the left ruler 121 are controlled; the second pre-tightening hole 132 is arranged in communication on the second square groove 13, the second pre-tightening piece 1321 can abut against and pre-tighten the right ruler 131 in the second square groove 13 through the second pre-tightening hole 132, and the extension and fixation of the right ruler 131 are controlled, and the measurement error caused by loosening of the left ruler 121 and the right ruler 131 during measurement by the measurement personnel is prevented.

[0058] More specifically, when the measurer measures different types of guide vanes, the left ruler 121 and the right ruler 131 are extended from the first square slot 12 and the second square slot 13 at both ends of the support 1. When the left ruler 121 and the right ruler 131 are extended to a suitable length for measurement, the measurer can use the first pre-tightening member 1221 to pass through the first pre-tightening hole 122 provided on the first square slot 12 to fix the extended left ruler 121, and use the second pre-tightening member 1321 to pass through the second pre-tightening hole 132 provided on the second square slot 13 to fix the extended right ruler 131, so as to avoid sliding of the left ruler 121 and the right ruler 131 during measurement, thereby avoiding interference with the measurement accuracy. Further, during the measurement process, the left ruler 121 and the right ruler 131 can be selected to be fully extended from the first square slot 12 and the second square slot 13 of the support 1 or partially extended from the first square slot 12 and the second square slot 13 of the support 1 according to actual conditions and actual needs, and are fixed correspondingly by using the first pre-tightening member 1221 and the second pre-tightening member 1321. When the measurement is completed, the measurer loosens the first pre-tightening member 1221 on the first pre-tightening hole 122 and the second pre-tightening member 1321 on the second pre-tightening hole 132, and completely stores the left ruler 121 in the first square slot 12 and the right ruler 131 in the second square slot 13. Then, the left ruler 121 is fixed in the first square slot 12 by the first pre-tightening member 1221 and the right ruler 131 is fixed in the second square slot 13 by the second pre-tightening member 1321, so as to prevent the left ruler 121 and the right ruler 131 from sliding out and facilitate the measurer to carry them.

[0059] Specifically, the left ruler 121 and the right ruler 131 are each provided with a forward scale starting from zero and a reverse scale starting from the maximum distance, so as to facilitate the measurer to adjust the reading during measurement. The extending end of each of the left ruler 121 and the right ruler 131 is provided with a magnetic member 14 for magnetic fixation of the guide vanes, so as to facilitate the measurer to measure. In some embodiments, the left ruler 121 and the right ruler 131 are usually provided with a magnetic force, or a magnetic core block is selected to be movably detachable with the left ruler 121 and the right ruler 131. More specifically, the measurer can loosen the pre-tightening members on the first pre-tightening hole 122 and the second pre-tightening hole 132 before measurement, so that the magnetic members 14 on the extending ends of the left ruler 121 and the right ruler 131 are adsorbed and fixed to the measurement position of the guide vanes. Then, the support 1 and the gauge are moved to realize horizontal reference centering by the feature that the left ruler 121 and the right ruler 131 are movably inserted into the support 1. After the horizontal reference centering is completed, the first pre-tightening member 1221 on the first pre-tightening hole 122 and the second pre-tightening member 1321 on the second pre-tightening hole 132 are pre-tightened, thereby improving the measurement and reading accuracy.

[0060] Specifically, the dovetail groove 15 is arranged on the upper surface of the bracket 1, the fixed sliding block 21 is arranged on the bottom of the gauge 2, and the structure of the fixed sliding block 21 is in sliding fit with the dovetail groove 15, that is, the gauge 2 can freely slide in the dovetail groove 15 along with the fixed sliding block 21; more specifically, when the guide vane opening degree is measured by the measurer, the fixed sliding block 21 arranged on the bottom of the gauge 2 is in sliding fit with the dovetail groove 15, so that the gauge 2 freely slides on the upper surface of the bracket 1, thereby appropriately adjusting the horizontal centering position and improving the measurement and reading accuracy; after the measurer finishes the measurement, the fixed sliding block 21 arranged on the bottom of the gauge 2 is in sliding fit with the dovetail groove 15, so that the gauge 2 is slid to one end of the bracket 1, thereby facilitating folding and carrying.

[0061] As shown in Figure 5 , the fixed holes 211 are further arranged at both ends of the fixed sliding block 21, the fasteners 23 pass through the fixed holes 211 and abut against the bottom of the dovetail groove 15 to control the sliding and fixing of the fixed sliding block 21; when the measurer needs to adjust the position of the gauge 2 during the guide vane opening degree measurement, the fasteners 23 can be loosened to realize the free sliding function of the fixed sliding block 21 of the gauge 2 in the dovetail groove 15 on the upper surface of the bracket 1; after being adjusted to the appropriate position, the fasteners 23 can be pre-tightened to realize the fixing function of the fixed sliding block 21 of the gauge 2 in the dovetail groove 15 on the upper surface of the bracket 1; and the sliding of the gauge 2 during the measurement is prevented to affect the measurement and reading accuracy.

[0062] Specifically, the gauge 2 further comprises the scale surface 22 in a fan-shaped structure, the scale surface 22 in the fan-shaped structure is easy to measure the angle and identify, and is easy to read the measurement result during the measurement; further, the center hole 221 is arranged on the scale surface 22, one end of the first measurement arm 3 and the second measurement arm 4 is hinged to the center hole 221; and the fan-shaped hole 222 is further arranged on the scale surface 22, and the center hole 221 is located below the fan-shaped hole 222; when the first measurement arm 3 and the second measurement arm 4 rotate around the center hole 221, the fan-shaped hole 222 facilitates the measurer to more intuitively read the result.

[0063] As shown in Figure 6As shown, the end of the first measuring arm 3 hinged with the gauge 2 is provided with a first caliper 31, and the end of the second measuring arm 4 not hinged with the gauge is provided with a second caliper 41, the first caliper 31 and the second caliper 41 are used to accurately abut on the measuring position of the guide vane when measuring the opening of different types of guide vanes; the length of the first caliper 31 is consistent with the length of the second caliper 41; the first caliper 31 is movably inserted with the first measuring arm 3, and the second caliper 41 is movably inserted with the second measuring arm 4; it is worth noting that the length of the first caliper 31 is less than or equal to the length of the first measuring arm 3, and the length of the second caliper 41 is less than or equal to the length of the second measuring arm 4; accordingly, the first caliper 31 has a state of being accommodated in the first measuring arm 3, and the second caliper 41 has a state of being accommodated in the second measuring arm 4, which is convenient for the measurer to accommodate and carry; further, the first caliper 31 and the second caliper 41 can rotate with the first measuring arm 3 and the second measuring arm 4 around the gauge 2 according to the opening of the guide vane, and cooperate with the support 1 to form an included angle for single measurement reading, which is convenient for the measurer to adjust the reference position during measurement.

[0064] More specifically, the measurer can adjust the first measuring arm 3 and the second measuring arm 4 hinged with the central hole 221 on the scale surface 22, i.e. rotate the first measuring arm 3 and the second measuring arm 4 around the central hole 221 according to the opening of the measured guide vane, so that the first measuring arm 3 and the second measuring arm 4 abut on the measuring position of the guide vane respectively; and during reading, i.e. according to the value on the scale surface 22 corresponding to the rotation of the first measuring arm 3 and the second measuring arm 4 around the central hole 221; at the same time, the measurer can also make more intuitive reading through the sector hole 222; further, when the type of the measured guide vane is different, the first caliper 31 in the first measuring arm 3 and the second caliper 41 in the second measuring arm 4 can be adjusted to complete accurate measurement; after the measurement is completed, the measurer can accommodate the first caliper 31 in the first measuring arm 3 and the second caliper 41 in the second measuring arm 4.

[0065] Specifically, the first measuring arm 3 is provided with a third pre-tightening hole 3111, and a third pre-tightening piece 311 passes through the third pre-tightening hole 3111 to abut and cooperate with the first caliper 31 to control the extension or fixation of the first caliper 31; the second measuring arm 4 is provided with a fourth pre-tightening hole 4111, and a fourth pre-tightening piece 411 passes through the fourth pre-tightening hole 4111 to abut and cooperate with the second caliper 41 to control the extension or fixation of the second caliper 41; to prevent the measurer from making errors due to loosening of the first caliper 31 and the second caliper 41 when measuring with the first caliper 31 and the second caliper 41.

[0066] More specifically, during measurement, the measuring personnel adjust the lengths of the first caliper 31 and the second caliper 41 extending beyond the first measuring arm 3 and the second measuring arm 4, according to the actual situation. After adjustment, the first caliper 31 is fixed by passing the third pre-tightening member 311 through the third pre-tightening hole 3111 on the first measuring arm 3, and the second caliper 41 is fixed by passing the fourth pre-tightening hole 4111 on the second measuring arm 4. This prevents the first caliper 31 from sliding against the second caliper during measurement, thus interfering with the measurement accuracy. After the measurement is completed, the measuring personnel need to loosen the third pre-tightening member 311 on the third pre-tightening hole 3111 and the fourth pre-tightening member 411 on the fourth pre-tightening hole 4111, so that the first caliper 31 can be smoothly stored in the first measuring arm 3 and the second caliper 41 can be smoothly stored in the second measuring arm 4. After storage, the third pre-tightening member 311 is pre-tightened in the third pre-tightening hole 3111 and the fourth pre-tightening member 411 is pre-tightened in the fourth pre-tightening hole 4111 to prevent the first caliper 31 and the second caliper 41 from slipping out.

[0067] like Figure 3 As shown, a positioning part 16 is also provided on the upper surface of the bracket 1. Utilizing the feature that the first measuring arm 3 and the second measuring arm 4 are hinged to the measuring instrument 2, the first measuring arm 3 and the second measuring arm 4 can rotate around the central hole 221 of the measuring instrument 2 in the same direction as the positioning part 16 and fold onto the positioning part 16, optimizing space occupation and making it convenient to carry. Furthermore, the bracket 1 also includes a mounting hole 17, in which the level 11 is mounted and rotated, and the horizontal angle of the bracket 1 is adjusted when measuring the guide vane opening, thereby improving the accuracy of the measurement reading. In this embodiment, the level 11 selected is a cylindrical level 11 in the horizontal measurement direction, and any level 11 selected in the specific implementation process that can meet the function of level measurement can be used.

[0068] Specifically, the scales of the measuring components are all fluorescent to avoid reading errors caused by dim lighting during actual measurements.

[0069] The above embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of protection of the present invention. Any non-substantial changes and substitutions made by those skilled in the art based on the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A wicket gate opening uniformity measuring and checking tool, characterized by, The measuring device comprises a bracket and a measuring assembly, the measuring assembly comprises a gauge, a first measuring arm, a second measuring arm and a level; The level is arranged on the bracket, the bracket is provided with a left ruler and a right ruler, the left ruler and the right ruler are movably inserted into the bracket, and the level adjusts the bracket to a horizontal central position in cooperation with the left ruler and the right ruler; The left ruler and the right ruler have a state of being accommodated in the bracket; The gauge is slidably connected to the bracket, When the measurement accuracy is reduced due to the limitation of the measurement environment and different types of guide vanes, the left ruler, the right ruler and the level arranged on the bracket are used to adjust the bracket to a horizontal central position, and then the gauge is slid to a suitable position on the bracket; The left end of the bracket is provided with a first square slot, and the right end of the bracket is provided with a second square slot, The lengths of the first square slot and the second square slot are less than or equal to the length of the bracket, The length of the left ruler is less than or equal to the length of the first square slot; The length of the right ruler is less than or equal to the length of the second square slot; The left ruler is movably inserted into the first square slot, and the right ruler is movably inserted into the second square slot; The left ruler has a state of being accommodated in the first square slot, and the right ruler has a state of being accommodated in the second square slot; The first square slot is provided with a first pre-tightening hole in communication, and a first pre-tightening member passes through the first pre-tightening hole and abuts against the left ruler to control the extension and fixation of the left ruler; The second square slot is provided with a second pre-tightening hole in communication, and a second pre-tightening member passes through the second pre-tightening hole and abuts against the right ruler to control the extension and fixation of the right ruler; The upper surface of the bracket is provided with a dovetail groove, The bottom of the gauge is provided with a fixed sliding block, and the fixed sliding block is slidably connected to the dovetail groove; The gauge slides in the dovetail groove along with the fixed sliding block; The lengths of the first measuring arm and the second measuring arm are consistent, one end of the first measuring arm and one end of the second measuring arm are hingedly connected to the same position of the gauge; The first measuring arm and the second measuring arm can be freely changed in angle according to the opening degree of the guide vane and correspondingly on the gauge.

2. The wicket gate opening uniformity measuring and checking tool according to claim 1, wherein The left ruler and the right ruler are both provided with a forward scale starting from zero and a reverse scale starting from the maximum ruler distance; The left ruler and the right ruler are both provided with a forward scale starting from zero and a reverse scale starting from the maximum ruler distance; 3. The wicket gate alignment tool of claim 1, wherein, The fixed sliding block is provided with a fixed hole at both ends, and a fastener passes through the fixed hole and abuts against the bottom of the dovetail groove to control the movement or fixation of the fixed sliding block.

4. The wicket gate alignment tool of claim 1, wherein, The gauge further comprises a scale surface in the shape of a sector, the scale surface is provided with a center hole, one end of the first measuring arm and one end of the second measuring arm are hingedly connected to the center hole, The scale surface is further provided with a sector hole, and the center hole is located below the sector hole.

5. The wicket gate alignment tool of claim 1, wherein, The end of the first measuring arm not articulated with the gauge is provided with a first caliper, the end of the second measuring arm not articulated with the gauge is provided with a second caliper, the first caliper is consistent in length with the second caliper, the first caliper is movably inserted with the first measuring arm, and the second caliper is movably inserted with the second measuring arm; The length of the first caliper is less than or equal to the length of the first measuring arm, and the length of the second caliper is less than or equal to the length of the second measuring arm; The first caliper has a state of being accommodated in the first measuring arm, and the second caliper has a state of being accommodated in the second measuring arm; The first caliper and the second caliper can rotate with the first measuring arm and the second measuring arm around the gauge according to the guide vane opening degree, and form an included angle of a single measurement reading with the support.

6. A wicket gate opening uniformity measuring and checking tool according to claim 5, characterized in that, The first measuring arm is provided with a third pre-tightening hole, and a third pre-tightening member passes through the third pre-tightening hole to abut with the first caliper to control the expansion or fixation of the first caliper; The second measuring arm is provided with a fourth pre-tightening hole, and a fourth pre-tightening member passes through the fourth pre-tightening hole to abut with the second caliper to control the expansion or fixation of the second caliper.

7. The wicket gate alignment tool of claim 1, wherein, The upper surface of the support is provided with a positioning portion, and the first measuring arm and the second measuring arm rotate around the gauge towards the positioning portion and are folded on the positioning portion; The support is provided with a mounting hole, and the level is mounted in the mounting hole and adjusts the horizontal angle of the support when measuring the guide vane opening degree.

8. The wicket gate alignment tool of claim 1, wherein, The scales of the measuring assembly are fluorescent scales.

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