Method for using an adjustable measuring instrument tripod

Abstract

A method for using an adjustable measuring instrument tripod, wherein a lower plate is arranged below an upper plate, three connecting plates are arranged between the lower surface of the upper plate and the upper surface of the lower plate, threaded holes are arranged on two of the connecting plates, adjusting screws are threaded in the threaded holes, knobs are arranged at the front ends of the adjusting screws, balls are arranged at the ends of the adjusting screws, legs are arranged on the lower surface of the fixed plate, an adjusting disk is arranged in the adjusting cavity, a center screw is arranged in the middle of the adjusting disk, a pair of arc-shaped grooves are arranged on both sides of the adjusting disk, and the balls at the ends of the adjusting screws are embedded in the arc-shaped grooves; the invention solves the problem of repeated centering and leveling operations when using conventional instrument tripods, reduces the difficulty of operation, improves data accuracy and work efficiency, has a simple structure, ingenious design, convenient operation, good use effect, and is suitable for universal promotion and application.

Description

Technical Field

[0001] The invention relates to the technical field of engineering measurement, and in particular to a method for using an adjustable measuring instrument tripod. Background Art

[0002] In engineering surveying, the survey tripod is a commonly used tool. It can usually provide a stable support platform for the centering and leveling of GPS receivers, total stations, prisms and other surveying equipment in various complex environments.

[0003] Traditional measuring instrument tripods usually consist of tripod legs, a tripod head, and a center screw. When measuring, the instrument is placed on the instrument tripod and then centered and leveled. The main steps are as follows:

[0004] The first step is initial leveling: install the tripod equipment above the measurement control point, roughly centered, place the measurement equipment on the tripod, tighten the center screw, and adjust the tripod to center the instrument equipment and make the circular level bubble as centered as possible;

[0005] Step 2: Rough leveling: Rotate the three screws of the instrument to make the circular level bubble of the instrument as far as possible within the inner circle;

[0006] Step 3: Fine leveling: Adjust the foot screws to make the instrument axis vertical and center the fine level in the X and Y directions respectively.

[0007] Step 4: Alignment: Slowly move the instrument to align the instrument plummet with the target.

[0008] In actual operation, if the inclination of the tripod head plane is large and exceeds the adjustable range of the triangular screw of the instrument base, the legs must be readjusted to achieve the rough leveling requirement. During the process of leveling and centering the instrument, the instrument needs to be moved continuously. During the multiple movements of the instrument on the tripod head, it is inevitable that the instrument base and the tripod head platform will rotate relative to each other, affecting the centering and leveling of the instrument. These reasons will lead to repeated leveling and centering operations, which not only affects the measurement accuracy, but also reduces work efficiency.

[0009] In view of the above reasons, a method for using an adjustable measuring instrument tripod is now developed. Summary of the invention

[0010] The purpose of the present invention is to overcome the deficiencies in the prior art and provide a method for using an adjustable measuring instrument tripod, which solves the difficult problem of repeated centering and leveling operations when using conventional instrument tripods, reduces the difficulty of operation, and improves data accuracy and work efficiency. The present invention has a simple structure, ingenious design, easy operation, good use effect, and is suitable for widespread promotion and application.

[0011] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a method for using an adjustable measuring instrument tripod, wherein the adjustable measuring instrument tripod is composed of: an upper plate, a connecting plate, an adjusting plate, an adjusting screw, a knob, a lower plate, a center screw, a fixing plate, a fixing bolt, and a leg; a lower plate is arranged below the upper plate, three connecting plates are arranged between the lower surface of the upper plate and the upper surface of the lower plate, an adjusting cavity is surrounded by the upper plate, a pair of connecting plates and the lower plate, threaded holes are arranged on two connecting plates, adjusting screws are screwed in the threaded holes, a knob is arranged at the front end of the adjusting screw, and a A ball is placed, three fixing plates are arranged on the lower surface of the lower plate, fixing bolts are arranged vertically between the upper plate, the connecting plate, the lower plate and the fixing plate, the upper plate, the connecting plate, the lower plate and the fixing plate are connected as a whole by the fixing bolts, and a frame leg is arranged on the lower surface of the fixing plate, an adjusting disk is arranged in the adjusting cavity, a center screw is arranged in the middle of the adjusting disk, a pair of arc-shaped grooves are arranged on both sides of the adjusting disk, the ball at the end of the adjusting screw is embedded in the arc-shaped groove, and screwing in or out the adjusting screw at the same time can make the ball at the end of the adjusting screw push the adjusting disk to move in the horizontal position in the adjusting cavity, so as to achieve the purpose of accurately centering the adjusting instrument.

[0012] The middle parts of the upper plate, the lower plate and the adjusting plate are all provided with round holes, the centers of the round holes of the upper plate, the lower plate and the adjusting plate are located on the same vertical line, and the center screw is arranged in the round hole of the adjusting plate.

[0013] The angle between the center extension lines of the pair of arc-shaped grooves is 120°.

[0014] The legs are telescopic legs.

[0015] When in use, visually observe that the ground target point is in the middle of the instrument's legs to ensure that the upper plate is basically horizontal, place instruments and equipment such as GPS, total station or prism on the upper plate, tighten the center screw to fix the instruments and equipment, adjust the legs to make the circular level bubble located within the outer circle of the circular level, adjust the three instrument foot screws to make the circular level bubble of the instrument and equipment located within the inner circle of the circular level, adjust the foot screws to make the instrument axis vertical, center the precision level tube in the X and Y directions respectively, and rotate the knobs on the adjusting screws on both sides at the same time. The adjusting screws push the adjusting plate to accurately center the instrument.

[0016] The beneficial effects of the present invention are as follows: the present invention solves the difficult problem of repeated centering and leveling operations when using conventional instrument tripods, reduces the difficulty of operation, improves data accuracy and work efficiency, and the present invention has a simple structure, ingenious design, convenient operation, good use effect, and is suitable for widespread promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the general assembly structure;

[0019] Figure 1 Center: upper plate 1, connecting plate 2, adjusting plate 3, adjusting screw 4, knob 5, lower plate 6, center screw 7, fixing plate 8, fixing bolt 9, leg 10. DETAILED DESCRIPTION

[0020] The present invention is further described in detail below in conjunction with embodiments and specific implementation modes:

[0021] Example 1

[0022] A lower plate 6 is arranged below the upper plate 1, and three connecting plates 2 are arranged between the lower surface of the upper plate 1 and the upper surface of the lower plate 6. An adjusting cavity is formed between the upper plate 1, a pair of connecting plates 2 and the lower plate 6, wherein threaded holes are arranged on the two connecting plates 2, and adjusting screws 4 are screwed in the threaded holes. A knob 5 is arranged at the front end of the adjusting screw 4, and a ball is arranged at the end of the adjusting screw 4. Three fixing plates 8 are arranged on the lower surface of the lower plate 6, and fixing bolts 9 are vertically arranged between the upper plate 1, the connecting plate 2, the lower plate 6 and the fixing plate 8. The upper plate 1, the connecting plate 2, the lower plate 6 and the fixing plate 8 are connected as a whole by the fixing bolts 9. A frame leg 10 is arranged on the lower surface of the fixing plate 8, an adjusting plate 3 is arranged in the adjusting cavity, a center screw 7 is arranged in the middle of the adjusting plate 3, a pair of arc-shaped grooves are arranged on both sides of the adjusting plate 3, and the ball at the end of the adjusting screw 4 is embedded in the arc-shaped groove. At the same time, screwing in or out the adjusting screw 4 can make the ball at the end of the adjusting screw 4 push the adjusting plate 3 to move in the horizontal position in the adjusting cavity, so as to achieve the purpose of accurately centering the adjusting instrument.

[0023] Example 2

[0024] The upper plate 1 , the lower plate 6 , and the adjusting plate 3 are all provided with round holes in the middle, the centers of the round holes of the upper plate 1 , the lower plate 6 , and the adjusting plate 3 are located on the same vertical line, and the center screw 7 is provided in the round hole of the adjusting plate 3 .

[0025] Example 3

[0026] The angle between the center extension lines of the pair of arc-shaped grooves is 120°.

[0027] Example 4

[0028] The legs 10 are telescopic legs.

[0029] Example 5

[0030] When in use, visually observe that the ground target point is in the middle of the instrument's legs 10 to ensure that the upper plate 1 is basically horizontal, place instruments and equipment such as GPS, total station or prism on the upper plate 1, tighten the center screw 7 to fix the instruments and equipment, adjust the legs 10 to make the circular level bubble located within the outer circle of the circular level, adjust the three instrument foot screws to make the circular level bubble of the instrument and equipment located within the inner circle of the circular level, adjust the foot screws to make the instrument axis vertical, and center the precision level tube in the X and Y directions respectively, and at the same time rotate the knobs 5 on the adjusting screws 4 on both sides, and the adjusting screws 4 push the adjusting disk 3 to accurately center the instrument.

Claims

1. A method for using an adjustable measuring instrument tripod, characterized in that: The adjustable measuring instrument tripod is composed of an upper plate (1), a connecting plate (2), an adjusting plate (3), an adjusting screw (4), a knob (5), a lower plate (6), a center screw (7), a fixing plate (8), a fixing bolt (9), and a stand leg (10); a lower plate (6) is arranged below the upper plate (1), three connecting plates (2) are arranged between the lower surface of the upper plate (1) and the upper surface of the lower plate (6), an adjusting cavity is formed between the upper plate (1), a pair of connecting plates (2) and the lower plate (6), threaded holes are arranged on two connecting plates (2), adjusting screws (4) are screwed in the threaded holes, a knob (5) is arranged at the front end of the adjusting screw (4), a round ball is arranged at the end of the adjusting screw (4), and three screws are arranged on the lower surface of the lower plate (6). A fixing plate (8), fixing bolts (9) are vertically arranged between the upper plate (1), the connecting plate (2), the lower plate (6) and the fixing plate (8), the upper plate (1), the connecting plate (2), the lower plate (6) and the fixing plate (8) are connected as a whole by the fixing bolts (9), a frame leg (10) is arranged on the lower surface of the fixing plate (8), an adjusting plate (3) is arranged in the adjusting cavity, a center screw (7) is arranged in the middle of the adjusting plate (3), a pair of arc-shaped grooves are arranged on both sides of the adjusting plate (3), a ball at the end of the adjusting screw (4) is embedded in the arc-shaped groove, and the ball at the end of the adjusting screw (4) can push the adjusting plate (3) to move in a horizontal position in the adjusting cavity by screwing the adjusting screw (4) in or out, so as to achieve the purpose of accurately centering the adjusting instrument; The upper plate (1), the lower plate (6) and the adjusting plate (3) are all provided with circular holes in the middle, the centers of the circular holes of the upper plate (1), the lower plate (6) and the adjusting plate (3) are located on the same vertical line, and the center screw (7) is arranged in the circular hole of the adjusting plate (3); The angle between the center extension lines of the pair of arc-shaped grooves is 120°; The frame legs (10) are telescopic frame legs; The method of use is as follows: when using the instrument, visually observe that the ground target point is in the middle of the instrument's legs (10) to ensure that the upper plate (1) is basically horizontal, place instruments and equipment such as GPS, total station or prism on the upper plate (1), tighten the center screw (7) to fix the instruments and equipment, adjust the legs (10) so that the circular level bubble is located within the outer circle of the circular level, adjust three instrument foot screws so that the circular level bubble of the instrument and equipment is located within the inner circle of the circular level, adjust the foot screws so that the instrument axis is vertical, and center the precision level tube in the X and Y directions respectively, and simultaneously rotate the knobs (5) on the adjusting screws (4) on both sides, and the adjusting screws (4) push the adjusting disk (3) to accurately center the instrument.

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