Vertical-height gauge and measuring method
Disclosed in the present disclosure are a vertical-height gauge and a measuring method, relating to the field of surveying and mapping tools, and including a measuring plate, a support fixing plate, a plumb, a steel tape and a plumb rope. The measuring plate includes a reference plate, an auxiliary reference plate and a reference ruler; the support fixing plate includes a fixing base plate, two racks are oppositely arranged on a side surface of the fixing base plate, a slide plate is arranged between the two racks, a first gear meshing with the single rack and rotating is arranged on two sides of the slide plate separately, a control assembly is arranged on the slide plate, and the control assembly is configured to control a rotating state of the first gears; and the reference plate is perpendicularly connected to the slide plate.
1 . A vertical-height gauge, comprising a measuring plate ( 1 ), a support fixing plate ( 2 ), a plumb ( 31 ), a steel tape ( 32 ) and a plumb rope ( 33 ), wherein the measuring plate ( 1 ) comprises a reference plate ( 10 ), an auxiliary reference plate ( 11 ) and a reference ruler ( 12 );
the support fixing plate ( 2 ) comprises a fixing base plate ( 21 ), two racks ( 211 ) are oppositely arranged on a side surface of the fixing base plate ( 21 ), a slide plate ( 22 ) is arranged between the two racks ( 211 ), first gears ( 221 ) meshing with the two racks ( 211 ) are arranged on two sides of the slide plate ( 22 ) respectively, a control assembly is arranged on the slide plate ( 22 ), and the control assembly is configured to control a rotating state of the first gears ( 221 ); and
and the slide plate ( 22 ) is slidable in a length direction of the fixing base plate ( 21 ), and the reference plate ( 10 ) is perpendicularly connected to the slide plate ( 22 ).
2 . The vertical-height gauge according to claim 1 , wherein the control assembly comprises brake gears ( 231 ) arranged corresponding to the first gears ( 221 ), each of the brake gears ( 231 ) limits rotation of the first gears ( 221 ) by meshing with the first gears ( 221 ), the brake gears ( 231 ) are connected to a switch assembly, the switch assembly is configured to rotate each of the brake gears ( 231 ) around a rotation shaft of a corresponding one of the first gears ( 221 ) when each of the brake gears ( 231 ) maintains a meshing state with the corresponding one of the first gears ( 221 ), and to move each of the brake gears ( 231 ) closer to or away from the other one of the first gears ( 221 ); and
the switch assembly is arranged on the slide plate ( 22 ).
3 . The vertical-height gauge according to claim 2 , wherein the brake gears ( 231 ) are identical to the first gears ( 221 ).
4 . The vertical-height gauge according to claim 2 , wherein the slide plate ( 22 ) is provided with brake grooves ( 222 ), the brake gears ( 231 ) are slidably arranged in the brake grooves ( 222 ) respectively, and the brake grooves ( 222 ) are configured to define movement paths of the brake gears ( 231 ) respectively.
5 . The vertical-height gauge according to claim 4 , wherein the switch assembly comprises a first rotating rod ( 241 ), two second rotating rods and two third rotating rods;
two ends of the first rotating rod ( 241 ) are hinged to one end of the two second rotating rods ( 242 ) respectively, the other end of each of the two second rotating rods ( 242 ) is hinged to an end of a corresponding one of the two third rotating rods ( 243 ), the other end of each of the two third rotating rods ( 243 ) is rotatably connected to the rotation shaft of the corresponding one of the first gears ( 221 ), a gear shaft of each of the brake gears ( 231 ) is rotatably connected to the corresponding one of the two third rotating rods ( 243 );
a first rotating shaft ( 244 ) is perpendicularly arranged in the middle of the first rotating rod ( 241 ), and the first rotating shaft ( 244 ) is configured to control the first rotating rod ( 241 ) to rotate around the first rotating shaft ( 244 ); and
a vertical slit ( 201 ) is formed on the support fixing plate ( 2 ), and the first rotating shaft ( 244 ) perpendicularly passes through the vertical slit ( 201 ).
6 . The vertical-height gauge according to claim 1 , wherein an upper surface of the reference plate ( 10 ) is provided with a circular level ( 101 ) and a leveling tube ( 102 ), the reference plate ( 10 ) and the auxiliary reference plate ( 11 ) are connected by a built-in hinge ( 103 ) at an end of the reference plate ( 10 ), the reference ruler ( 12 ) is built in the auxiliary reference plate ( 11 ), the reference ruler ( 12 ) has a trapezoidal cross section, reference ruler fixing screws ( 13 ) are symmetrically arrange on two sides of the auxiliary reference plate ( 11 ), and the reference ruler fixing screws ( 13 ) are configured to fix a position of the reference ruler ( 12 ).
7 . The vertical-height gauge according to claim 6 , wherein a measuring plate fixing sleeve ( 14 ) sleeves an end of the reference plate ( 10 ) close to the slide plate ( 22 ), a lifting micro-screw ( 141 ) is arranged on an upper wall of the measuring plate fixing sleeve ( 14 ), the lifting micro-screw ( 141 ) is connected to a push pin ( 142 ), the push pin ( 142 ) makes contact with the upper surface of the reference plate ( 10 ), two embedded springs ( 143 ) are arranged in a lower wall of the measuring plate fixing sleeve ( 14 ) and make contact with the reference plate ( 10 ); and
the reference plate ( 10 ) is perpendicularly connected to the slide plate ( 22 ) through the measuring plate fixing sleeve ( 14 ).
8 . The vertical-height gauge according to claim 6 , wherein a filling member ( 131 ) is arranged at an end of the reference ruler fixing screw ( 13 ), the filling member ( 131 ) is hollow, and a surface of the filling member ( 131 ) is rough.
9 . A vertical-height measuring method, using the vertical-height gauge according to claim 1 , and comprising:
S1: assembling the vertical-height gauge;
S2: keeping the measuring plate ( 1 ) approximately horizontal, and fixing a position of the slide plate ( 22 ) with the other hand through the control assembly;
S3: adjusting the measuring plate ( 1 ), and making the measuring plate ( 1 ) horizontal accurately;
S4: fixing an end of the steel tape ( 32 ) to a lower edge of the measuring plate ( 1 ), and putting the steel tape ( 32 ) into any narrow groove of the plumb ( 31 ) to tightly attach the plumb rope ( 33 ), so as to guarantee vertical measurement, or tightly attach the plumb rope ( 33 ) for direct measurement;
S5: completing measurement according to S2-S4 in case that a measurement point is higher than a height of the ground; and
S6: in case that the measurement point is lower than the ground, screwing the auxiliary reference plate ( 11 ) down according to the depth or pulling the reference ruler ( 12 ), and completing the measurement according to S2-S4.