CN220729234U - Precision measurement level staff - Google Patents

Abstract

A precision measurement level staff belongs to the technical field of mapping equipment and is used for measuring in cooperation with a level. The technical proposal is as follows: the base block is cuboid, the bottom surface and a side of the base block are respectively provided with a trapezoid groove along the length direction, the inner sides of the trapezoid grooves are respectively embedded with a magnetic adsorption mechanism, the front end and one side of the base block are respectively provided with a strip-type horizontal ruler, the lower end of a vertical supporting rod is fixedly connected to the top surface of the base block, the upper end of the vertical supporting rod is connected with a horizontal suspender through a cross sleeve joint, the front end of the horizontal suspender is connected with the upper end of a scale through a suspension wire, scales from top to bottom are arranged on the scale, the lower end of the scale is connected with a heavy hammer stabilizing block through a connecting rod, and the heavy hammer stabilizing block is vertically suspended. The utility model has simple structure, convenient operation and small influence by environment, can always keep the measuring staff in a stable vertical state, reduces the reading error of the level gauge, ensures the measuring precision and the working efficiency, and reduces the labor intensity of workers.

Description

Precision measurement level staff

Technical Field

The utility model relates to a leveling staff, in particular to a precision measurement leveling staff used in the equipment installation alignment process, and belongs to the technical field of mapping equipment.

Background

The leveling staff is a common measuring tool for accurate measurement, is matched with a leveling instrument for measuring the height difference between two points on the ground, has the advantages of convenient use, high measuring precision and the like, and is widely applied to the accurate measurement of key dimensions such as equipment manufacturing, equipment installation alignment and the like.

In the precise measurement process of equipment installation alignment and the like, the requirements on equipment elevation and relative elevation measurement are high. In the measuring process, the leveling staff is required to be vertically erected at the position to be measured and the vertical state of the leveling staff is judged through the central position of the bubble of the round leveling staff, and the leveling staff is manually held and adjusted. In general, the bubble of the level moves into a specific circular indication ring, the bubble is considered to be centered, the leveling staff is vertical, but the diameter of the indication ring is larger than that of the bubble, and the bubble centering state is manually adjusted and judged, so that a certain deviation exists, and the reading deviation of the level is caused to influence the measurement result.

If the measured object is a cambered surface of a horizontal tubular structure, the manual alignment difficulty of the staff of the leveling instrument is increased, and the measurement accuracy is affected; if the object to be measured is a point or line on the arc surface of the vertical tubular structure, the leveling staff cannot be used for measurement.

The manual righting leveling staff is high in labor intensity and low in measuring work efficiency, and stability of the leveling staff is not easy to guarantee. If the measuring operation cannot be carried out normally at high efficiency under the conditions of night and poor illumination, additional lighting equipment such as a power supply, a connecting wire, a lamp and the like must be additionally added, so that additional labor workload is increased, and the normal measuring operation efficiency is affected.

Disclosure of Invention

The technical problem to be solved by the utility model is to provide the precision measurement leveling staff, which can always keep a stable natural plumb state, can measure the elevation of a reference measurement surface such as a plane, a cambered surface of a horizontal tubular structure or a cambered surface of a vertical tubular structure, ensures the measurement precision, reduces the labor intensity of workers, improves the measurement precision and the operation efficiency, and solves the problems of low manual positioning precision and large measurement deviation of the leveling staff.

The technical scheme for solving the technical problems is as follows:

the utility model provides a precision measurement leveling staff, it includes the basic block, strip type horizon rule, vertical support pole, the horizontal jib, the cross sleeve joint, the suspension wire, the scale, the connecting rod, the weight stabilized mass, the basic block is the cuboid, there is the trapezoidal slot of logical length along length direction on the bottom surface and the side of basic block respectively, the inboard of trapezoidal slot inlays and is equipped with magnetic adsorption mechanism, the bar type horizon rule is installed respectively to front end and one side of basic block, vertical support pole's lower extreme fixed connection is in the top surface of basic block, the upper end of vertical support pole is connected with the horizontal jib through the cross sleeve joint, the front end of horizontal jib is connected with the upper end of suspension wire, the lower extreme of suspension wire is connected with the upper end of scale, the scale is the rectangular plate that natural plumb state was placed, there is the scale top-down on the scale, the weight lower extreme is connected with the weight stabilized mass through the connecting rod, the perpendicular suspension of scale.

Above-mentioned precision measurement surveyor's staff, the pointer is installed to the top surface of basic block, and the pointer is located the inboard in one side dovetail groove of basic block top surface, and the pointer front end is equipped with triangle-shaped arrow, and the rear end is equipped with the pointer connecting hole, and locking screw is connected the pointer rear end with basic block top surface through the pointer connecting hole, and the pointer connecting hole is normal running fit with locking screw.

Above-mentioned precision measurement surveyor's staff, the vertical support pole is many sequences connection, and the vertical support pole of lower extreme is connected by the screw with the top surface of basic block, and there is the screw rod at the upper end of adjacent vertical support pole respectively, and there is the screw lower extreme respectively, and adjacent vertical support pole is connected through screw rod and screw.

Above-mentioned precision measurement surveyor's staff, the front end of horizontal jib has rings, and the upper end of suspension wire is connected with the rings of the front end of horizontal jib.

Above-mentioned precision measurement surveyor's level staff, the stock solution box has been placed to the staff below, has high viscosity liquid in the stock solution box, and the weight stabilization piece is suspended in the liquid of stock solution box.

Above-mentioned precision measurement surveyor's level staff, lamps and lanterns are installed respectively to the upper end and the lower extreme of staff, and the staff rear side is equipped with the power pack, and the battery is installed in the power pack, and the battery is connected with lamps and lanterns.

Above-mentioned precision measurement surveyor's staff, it still has the windshield, the windshield is transparent material's cylinder, the cylinder cover of windshield has the opening along length direction on the cylinder lateral wall of windshield, there is convex baffle outside the opening, the circular arc degree of baffle and the circumference radian phase-match of windshield cylinder, there is the guide way in the upper end and the lower extreme outside of windshield respectively, upper end and the lower extreme of baffle are inlayed in the guide way respectively, the upper end and the lower extreme of baffle are sliding fit with the guide way.

The beneficial effects of the utility model are as follows:

the base block is magnetically adsorbed on a measuring plane or a cambered surface of a tubular structure, so that the base block can be kept stable; the bottom surface and the side surface of the base block are respectively provided with a trapezoid groove, and can be in close contact with a measuring cambered surface of a tubular structure which is horizontally or vertically arranged; the strip-type level ruler can calibrate and position the base block in the horizontal and vertical directions; the height of the scale can be adjusted by connecting a plurality of vertical support rods; the scale is hoisted by a hoisting wire, so that the scale can be kept in a vertical state; the weight stabilizing block connected with the lower end of the scale can keep the scale vertical; the heavy hammer stabilizing block is immersed into the liquid storage box, and high-viscosity liquid in the liquid storage box can prevent the heavy hammer stabilizing block from moving, so that the staff gauge is prevented from shaking; the wind cap can avoid the influence of the windy environment of the open-air operation on the staff gauge, keeps the stability and the accuracy of measurement, and can play a role in dust prevention.

The utility model has simple structure, convenient operation, small influence by environment and wide application range, can always keep the measuring staff in a stable vertical state, reduces the reading error of the leveling instrument, ensures the measuring precision and the operating efficiency, reduces the labor intensity of staff, and solves the problems of low manual positioning precision and large measuring deviation of the measuring staff of the leveling instrument.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model with the windshield removed;

FIG. 3 is a rear view of FIG. 2;

FIG. 4 is a schematic view of the structure of the base block;

FIG. 5 is a schematic view of the structure of the bar horizon rule;

FIG. 6 is a schematic diagram of the structure of a pointer;

FIG. 7 is a schematic view of the structure of the vertical support bar;

FIG. 8 is a schematic structural view of a cross-sleeve joint;

FIG. 9 is a schematic view of the structure of the horizontal boom;

FIG. 10 is a schematic view of the structure of the scale;

FIG. 11 is a schematic structural view of a stabilization block;

FIG. 12 is a schematic structural view of the cartridge;

FIG. 13 is a schematic view of the configuration of the windshield;

FIG. 14 is a schematic view of a cylinder of the windshield;

FIG. 15 is a schematic view of a baffle;

FIG. 16 is a schematic of the utility model in a planar measurement application;

FIG. 17 is a schematic diagram of the utility model in a vertical tubular structure arc measurement application;

fig. 18 is a schematic diagram of the application of the present utility model in the measurement of the camber of a horizontal tubular structure.

The figures are labeled as follows: base block 1, bar type level bar 2, pointer 3, vertical support bar 4, cross sleeve joint 5, horizontal suspender 6, suspension wire 7, scale 8, connecting rod 9, weight stabilizing block 10, liquid storage box 11, level bar fixing hole 12, pointer connecting hole 13, screw 14, screw hole 15, hanging ring 16, lamp 17, power box 18, battery 19, trapezoid slot 20, windshield 21, notch 22, baffle 23, guide slot 24, measured plane 25, vertical tubular structure cambered surface 26, horizontal tubular structure cambered surface 27.

Description of the embodiments

The utility model consists of a base block 1, a strip type level 2, a pointer 3, a vertical supporting rod 4, a cross sleeve joint 5, a horizontal suspender 6, a suspension wire 7, a scale 8, a connecting rod 9, a heavy hammer stabilizing block 10, a liquid storage box 11, a lamp 17, a power supply box 18, a battery 19 and a windshield 21.

Fig. 1, 2 and 3 show that the base block 1 is a cuboid, the front end and one side of the base block are respectively provided with a strip type level bar 2, and the strip type level bar 2 can calibrate and position the base block 1 in the horizontal and vertical directions. The lower end of the vertical supporting rod 4 is fixedly connected to the top surface of the base block 1, and the upper end of the vertical supporting rod 4 is connected with the horizontal suspender 6 through a cross sleeve joint 5. The front end of the horizontal suspender 6 is connected with the upper end of the suspension wire 7, the lower end of the suspension wire 7 is connected with the upper end of the scale 8, the scale 8 is provided with scales from top to bottom, the lower end of the scale 8 is connected with the heavy hammer stabilizing block 10 through the connecting rod 9, the heavy hammer stabilizing block 10 is vertically suspended, and the scale 8 can keep the scale 8 in a vertical state under the action of the heavy hammer stabilizing block 10.

Fig. 1, 2 and 3 show that a liquid storage box 11 is placed below the scale 8, a high-viscosity liquid is arranged in the liquid storage box 11, and the weight stabilizing block 10 is suspended in the liquid storage box 11. The weight stabilizing block 10 is immersed in the liquid storage box 11, and the high viscosity liquid in the liquid storage box 11 can prevent the weight stabilizing block 10 from moving, so that the scale 8 is prevented from shaking.

Fig. 1, 2 and 3 show that the upper end and the lower end of the scale 8 are respectively provided with a lamp 17, the rear side of the scale 8 is provided with a power box 18, a battery 19 is arranged in the power box 18, and the battery 19 is connected with the lamp 17. When the test light is not good, the lamp 17 can be started to illuminate, so that the accuracy of measurement is ensured.

Fig. 1, 2 and 3 show that a windshield 21 is sleeved on the periphery of the scale 8 and the liquid storage box 11, and the windshield 21 is a cylinder made of transparent material, so that observation of the scale 8 is not affected. The wind shield 21 can avoid the influence of the windy environment of the open-air operation on the staff 8, keep the stability and the accuracy of measurement and play a role in dust prevention.

Fig. 4 shows that the bottom surface and one side surface of the base block 1 are respectively provided with a trapezoid groove 20 with a through length along the length direction, and the trapezoid groove 20 can be in close contact with a measuring cambered surface of a horizontally or vertically placed tubular structure, so that the measuring accuracy is ensured. The inner sides of the trapezoid grooves 20 are respectively embedded with a magnetic adsorption mechanism, and the structure of the magnetic adsorption mechanism is the same as that of the inner structure of the universal dial indicator magnetic meter seat. The outer shell of the magnetic meter seat is two magnetizers, and the middle of the outer shell is separated by a non-magnetic copper plate. Inside of which there is a rotatable magnet of N, S poles in the diameter direction. When the magnet rotates to the middle position, the magnetic force lines can be easily taken down when the two magnetizers form a closed circuit respectively; after the rotation of 90 degrees, the NS pole faces the two magnetizers respectively, and at the moment, magnetic force lines are formed to be closed from the N pole to the magnetizer to the guide rail to the other magnetizer to the S pole, so that the N pole and the magnetizer can be firmly attached to an adsorbing object. The magnetic adsorption mechanism is arranged on the bottom surface and one side of the base block 1, the opening and closing of the magnetic adsorption mechanism can be controlled through a switch, and the magnetic adsorption mechanism is stably adsorbed on the measurement reference surface of the base block 1 and can be rapidly disassembled.

Fig. 5 shows that the two ends of the bar-type level 2 are respectively provided with a level fixing hole 12, and the bar-type level 2 is fixedly connected to the base 1 through the level fixing holes 12 by a fixing bolt. The bar type level bar 2 is used for judging the horizontal and vertical states of the foundation block.

Fig. 6 shows that the front end of the pointer 3 is provided with a triangle arrow, the rear end is provided with a pointer connecting hole 13, the locking screw connects the rear end of the pointer with the top surface of the base block 1 through the pointer connecting hole 13, and the pointer connecting hole 13 is in running fit with the locking screw.

Fig. 7 shows that the upper and lower ends of the vertical support rods 4 are respectively provided with a screw 14 and a screw hole 15, the plurality of vertical support rods 4 are sequentially connected through the screw 14 and the screw hole 15, and the vertical support rod 4 at the lowest end is connected with the top surface of the base block 1 through the screw hole. The height of the scale 8 can be adjusted by adopting a plurality of vertical support rods 4 to connect.

Fig. 8 shows that the cross sleeve joint 5 is formed by welding ninety degrees of two sleeves, and two sides of the two sleeves are respectively provided with a tightening bolt, and the structure is a general technology and is not repeated.

Fig. 9 shows that the horizontal boom 6 is a long rod, the rod body of the horizontal boom 6 is embedded in the cross sleeve joint 5, the front end of the horizontal boom 6 is provided with a hanging ring 16, the hanging ring 16 is connected with the upper end of the hanging wire 7, and the lower end of the hanging wire 7 is connected with the upper end of the scale 8.

Fig. 10 shows that the scale 8 is a rectangular plate placed in a natural plumb state, and the scale 8 is provided with scales from top to bottom.

Fig. 11 shows that the weight stabilizing block 10 is a steel cylinder, the upper end of the weight stabilizing block 10 is connected with the lower end of the connecting rod 9, the upper end of the connecting rod 9 is threaded, the lower end of the scale 8 is threaded, the upper end of the connecting rod 9 is connected with the lower end of the scale 8 through threads, and the weight stabilizing block 10 is vertically suspended to stabilize the scale 8.

Fig. 12 shows that the liquid storage box 11 is a cylindrical box body, the upper end of the liquid storage box 11 is opened, the liquid storage box 11 is filled with high-viscosity liquid, and the weight stabilizing block 10 is suspended in the liquid storage box 11.

Fig. 13, 14 and 15 show that the windshield 21 is a cylinder made of transparent material, a notch 22 is formed in the side wall of the cylinder of the windshield 21 along the length direction, a circular arc-shaped baffle plate 23 is arranged outside the notch 22, the circular arc degree of the baffle plate 23 is matched with the circumference radian of the cylinder of the windshield 21, guide grooves 24 are respectively formed in the outer parts of the upper end and the lower end of the windshield 21, the upper end and the lower end of the baffle plate 23 are respectively embedded in the guide grooves 24, and the upper end and the lower end of the baffle plate 23 are in sliding fit with the guide grooves 24.

Fig. 16 shows that the base block 1 is placed on the measured plane 25 at the time of plane measurement.

Fig. 17 shows that the vertical tubular structure camber 26 is embedded in the trapezoidal groove 20 of the side face of the base block 1, as measured for the vertical tubular structure camber.

Fig. 18 shows that the horizontal tubular structure camber 27 is embedded in the trapezoidal groove 20 of the bottom surface of the base block 1, as measured on the horizontal tubular structure camber.

The application method of the utility model is as follows:

in the first measurement method, when the reference measurement surface is a plane:

placing the base block 1 above the measuring point, so that the base block 1 is adsorbed on the measured plane 25;

placing a liquid storage box 11, so that the heavy hammer stabilizing block 10 is positioned in the liquid storage box 11, and the upper surface of the heavy hammer stabilizing block 10 is lower than the liquid level in the liquid storage box 11;

if the spot light is not good, the lamp 17 above and below the scale 8 can be started for illumination;

if the outdoor operation is avoided, a wind shield 21 is installed;

the value is read by a level gauge and recorded, and the next measuring point is replaced.

In the second measurement method, when the reference measurement surface is a cambered surface of a vertical tubular structure:

placing the base block 1 below a measuring point, attaching the trapezoid groove 20 at the rear end of the base block 1 to the cambered surface 26 of the vertical tubular structure, adjusting the pointer 3 to coincide with a cambered surface measuring datum point or line, adsorbing the base block 1 on a measuring plane, and judging the installation state of the base block 1 and the verticality of a measured circular tube in an auxiliary manner through the strip type level bar 2;

placing a liquid storage box 11, so that the heavy hammer stabilizing block 10 is positioned in the liquid storage box 11, and the upper surface of the heavy hammer stabilizing block 10 is lower than the liquid level in the liquid storage box 11;

if the spot light is not good, the lamp 17 above and below the scale 8 can be started for illumination;

if the outdoor operation is avoided, a wind shield 21 is installed;

reading and recording the value through a level gauge, and replacing the next measuring point

The measuring method III, when the reference measuring surface is a cambered surface of the horizontal tubular structure;

placing the base block 1 above a measuring point, attaching the trapezoid groove 20 on the bottom surface of the base block 1 to the cambered surface 27 of the horizontal tubular structure, measuring and adjusting the base block 1 to be positioned right above the round tube through the strip type level ruler 2, adsorbing the base block 1 on a measuring plane, and judging the installation state of the base block 1 and the verticality of the measured round tube through the auxiliary judgment of the strip type level ruler 1;

placing a liquid storage box 11, so that the heavy hammer stabilizing block 10 is positioned in the liquid storage box 11, and the upper surface of the heavy hammer stabilizing block 10 is lower than the liquid level in the liquid storage box 11;

if the spot light is not good, the lamp 17 above and below the scale 8 can be started for illumination;

if the outdoor operation is avoided, a wind shield 21 is installed;

the value is read by a level gauge and recorded, and the next measuring point is replaced.

One embodiment of the utility model is as follows:

the length of the base block 1 is 65mm, the width is 50mm, the height is 56mm, the width of the upper end of the trapezoid groove 20 is 6mm, the width of the lower end is 20mm, and the depth is 65mm;

the strip level bar 2 is a miniature strip type bubble level bar with the length of 50mm

The diameter of the vertical supporting rod 4 is 15mm, and the length is 200mm;

the diameter of the horizontal suspender 6 is 15mm, and the length is 145mm;

the length of the scale 8 is 350mm and the width is 40mm;

the weight stabilizing block 10 had a diameter of 30mm, a height of 30mm and a weight of 17kg

The diameter of the liquid storage box 11 is 80mm, the height is 60mm, and the liquid is Wittig force 146 oil film bearing oil;

the windshield 21 has a diameter of 85mm and a height of 450mm.

Claims (7)

1. A precision measurement leveling staff, characterized by: the vertical supporting rod comprises a base block (1), a strip type horizontal ruler (2), a vertical supporting rod (4), a cross sleeve joint (5), a horizontal hanging rod (6), a hanging wire (7), a scale (8), a connecting rod (9) and a heavy hammer stabilizing block (10), wherein the base block (1) is a cuboid, a trapezoid groove (20) which is long in the length direction is respectively arranged on the bottom surface and one side surface of the base block (1), a magnetic adsorption mechanism is embedded in the inner side of the trapezoid groove (20), the front end and one side of the base block (1) are respectively provided with the strip type horizontal ruler (2), the lower end of the vertical supporting rod (4) is fixedly connected to the top surface of the base block (1), the upper end of the vertical supporting rod (4) is connected with the horizontal hanging wire (6) through the cross sleeve joint (5), the front end of the horizontal hanging wire (6) is connected with the upper end of the hanging wire (7), the lower end of the hanging wire (7) is connected with the upper end of the hanging wire (8), the scale (8) is a rectangular plate which is placed in a natural plumb state, scales (8) are arranged on the scale (8), the lower end of the scale (8) is fixedly connected with the heavy hammer (10) through the connecting rod (9).

2. A precision measurement leveling staff according to claim 1, characterized in that: the pointer (3) is installed to the top surface of foundation block (1), and pointer (3) are located the inboard of one side dovetail groove (20) of foundation block (1) top surface, and pointer (3) front end is equipped with triangle-shaped arrow, and pointer (3) rear end is equipped with pointer connecting hole (13), and locking screw is connected pointer (3) rear end and foundation block (1) top surface through pointer connecting hole (13), and pointer connecting hole (13) are normal running fit with locking screw.

3. A precision measurement leveling staff according to claim 1, characterized in that: the vertical support rods (4) are sequentially connected, the top surface of the lowest vertical support rod (4) is connected with the top surface of the base block (1) through screw holes, screw rods (14) are respectively arranged at the upper ends of the adjacent vertical support rods (4), screw holes (15) are respectively arranged at the lower ends of the adjacent vertical support rods, and the adjacent vertical support rods (4) are connected with the screw holes (15) through the screw rods (14).

4. A precision measurement leveling staff according to claim 1, characterized in that: the front end of the horizontal suspender (6) is provided with a suspension ring (16), and the upper end of the suspension wire (7) is connected with the suspension ring (16) at the front end of the horizontal suspender (6).

5. A precision measurement leveling staff according to claim 1, characterized in that: a liquid storage box (11) is arranged below the scale (8), high-viscosity liquid is arranged in the liquid storage box (11), and the heavy hammer stabilizing block (10) is suspended in the liquid of the liquid storage box (11).

6. A precision measurement leveling staff according to claim 1, characterized in that: the lamp (17) is installed respectively to upper end and lower extreme of scale (8), and scale (8) rear side is equipped with power pack (18), and battery (19) are installed in power pack (18), and battery (19) are connected with lamp (17).

7. A precision measurement leveling staff according to claim 1, characterized in that: it also has windshield (21), windshield (21) is the cylinder of transparent material, the cylinder cover of windshield (21) has on the periphery of scale (8) and receiver (11), there is opening (22) along length direction's cylinder lateral wall on windshield (21), there is convex baffle (23) outside opening (22), the circular arc degree of baffle (23) matches with the circumference radian of windshield (21) cylinder, there is guide way (24) outside upper end and the lower extreme of windshield (21) respectively, the upper end and the lower extreme of baffle (23) inlay respectively in guide way (24), the upper end and the lower extreme of baffle (23) are sliding fit with guide way (24) respectively.