Device for accurately measuring horizontal distance between two points at low position

Abstract

The utility model relates to the technical field of measuring devices, and discloses a device for accurately measuring the horizontal distance between two points at a low position, which comprises a working platform, a supporting assembly arranged at the lower end of the working platform and a horizontal liquid bubble instrument fixedly arranged on the working platform, strip-shaped grooves are formed in the upper ends of the extension cylinder and the storage cylinder, and a sliding block is slidably connected to the inner wall of the extension cylinder; according to the device for accurately measuring the horizontal distance between the two points at the low position, the extension cylinder is arranged in the storage cylinder, and the sliding block slides on the extension cylinder, so that the distance between the positioning head and the detection head can be adjusted, and after the positioning laser head on the positioning head is used for positioning the first detection point, the sliding block is moved to adjust the position of the detection head; the detection laser head on the detection head is used for positioning the second detection point, the horizontal distance between the two points is determined, and the device is convenient for detecting the horizontal distance between the two points, lower than the ground, of a foundation pit and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring devices, in particular to a device for accurately measuring the horizontal distance between two points at a low place. Background Art

[0002] In engineering construction, it is often necessary to measure the horizontal distance between two points. If the measurement is performed above the ground or on a wall, there are many convenient and practical measuring tools. However, when the two points to be measured are located at a deeper position under the feet of the surveyor (for example, the surveyor is measuring the distance between two points at the bottom of a deep foundation pit above the pit, or the surveyor is measuring the distance between two points on the ground below or even on a plane at a certain height in the air), there are no suitable tools. Utility Model Content

[0003] The utility model aims to provide a device for accurately measuring the horizontal distance between two points at a low place, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a device for accurately measuring the horizontal distance between two points at a low place, comprising a working platform, a supporting assembly arranged at the lower end of the working platform and a horizontal bubble meter fixedly installed on the working platform, the working platform comprising a storage cylinder, the inner wall of the storage cylinder is slidably connected with an extension cylinder, the upper ends of the extension cylinder and the storage cylinder are both provided with strip grooves, the inner wall of the extension cylinder is slidably connected with a slider, the front sides of the slider and the storage cylinder are respectively fixedly installed with a first multi-stage telescopic rod and a second multi-stage telescopic rod, the telescopic end of the first multi-stage telescopic rod is fixedly installed with a detection head, and the telescopic end of the second multi-stage telescopic rod is fixedly installed with a positioning head.

[0005] Preferably, the support assembly includes a base plate fixedly mounted on the lower end of the storage tube, the lower end of the base plate is fixedly connected to the support tube, the inner wall of the support tube is threadedly connected to an adjustment column, and the lower end of the adjustment column is rotatably connected to a support leg.

[0006] Preferably, a counterweight frame is fixedly mounted on the upper end of the storage tube, a threaded rod is threadedly connected to the surface of the counterweight frame, a counterweight block is rotatably connected to one end of the threaded rod away from the counterweight frame, and a crank is fixedly mounted on the other end of the threaded rod.

[0007] Preferably, a limiting groove is provided at a side edge of one end of the extension tube, a first limiting plate is fixedly installed at one end of the storage tube, and a second limiting plate is fixedly installed at one end of the extension tube.

[0008] Preferably, a positioning laser head is fixedly installed at the lower end of the positioning head, a detection laser head is fixedly installed at the lower end of the detection head, a reading laser head is fixedly installed on the side of the detection head close to the storage tube, and scale markings are engraved on the front of the storage tube and the extension tube.

[0009] Preferably, a limiting telescopic rod is fixedly installed on one side of the detection head, the telescopic end of the limiting telescopic rod passes through the positioning head and is fixedly installed with a magnetic block, and a magnetic ring is fixedly installed on one side of the positioning head. Beneficial Effects

[0010] The utility model provides a device for accurately measuring the horizontal distance between two points at a low place, which has the following beneficial effects:

[0011] 1. The device for accurately measuring the horizontal distance between two points at a low place can adjust the distance between the positioning head and the detection head by setting an extension tube in the storage tube and sliding a slider on the extension tube. After positioning the first detection point by using the positioning laser head on the positioning head, the slider is moved to adjust the position of the detection head, and the detection laser head on the detection head is used to locate the second detection point, thereby determining the horizontal distance between the two points. The device is convenient for detecting the horizontal distance between two points below the ground such as foundation pits.

[0012] 2. The device for accurately measuring the horizontal distance between two points at a low position ensures that the distances between the positioning laser head and the detection laser head and the storage tube are the same by setting a limit telescopic rod between the positioning head and the detection head, thereby ensuring the accuracy of the detection data. By setting a counterweight frame on the storage tube, the stability of the overall device can be ensured when the extension tube is extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the three-dimensional structure of the detection head of the utility model;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the positioning head of the utility model;

[0017] Figure 5 It is a schematic diagram of the three-dimensional structure of the bottom plate of the utility model.

[0018] In the figure: 1. working platform; 101. storage tube; 102. extension tube; 103. strip groove; 104. sliding block; 105. first multi-stage telescopic rod; 106. second multi-stage telescopic rod; 107. detection head; 108. positioning head; 109. limit groove; 110. first limit plate; 111. second limit plate; 2. support assembly; 201. bottom plate; 202. support tube; 203. adjustment column; 204. support leg; 3. horizontal bubble meter; 4. counterweight frame; 5. threaded rod; 6. counterweight block; 7. crank; 8. positioning laser head; 9. detection laser head; 10. reading laser head; 11. limit telescopic rod; 12. magnetic block; 13. magnetic ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-5 The utility model provides a technical solution: a device for accurately measuring the horizontal distance between two points at a low place, comprising a working platform 1, a supporting assembly 2 arranged at the lower end of the working platform 1 and a horizontal bubble meter 3 fixedly installed on the working platform 1, and two horizontal bubble meters 3 are used to detect the level of the working platform 1, so as to ensure the detection accuracy. The working platform 1 comprises a storage cylinder 101, and the inner wall of the storage cylinder 101 is slidably connected with an extension cylinder 102, and the upper ends of the extension cylinder 102 and the storage cylinder 101 are both provided with a strip groove 103, and the inner wall of the extension cylinder 102 is slidably connected with a slider 104, and the slider 104 slides on the extension cylinder 102, and the extension cylinder 102 is The sliding block 104 slides inside the storage tube 101, thereby ensuring that the sliding block 104 can slide to any position of the storage tube 101 and the extension tube 102, increasing the detection stroke, the front sides of the sliding block 104 and the storage tube 101 are respectively fixedly installed with a first multi-stage telescopic rod 105 and a second multi-stage telescopic rod 106, the telescopic end of the first multi-stage telescopic rod 105 is fixedly installed with a detection head 107, and the telescopic end of the second multi-stage telescopic rod 106 is fixedly installed with a positioning head 108. By arranging the first multi-stage telescopic rod 105 and the second multi-stage telescopic rod 106, the positioning head 108 and the detection head 107 can be extended outward, so as to facilitate the detection of the position where it is inconvenient to set up the working platform 1.

[0021] The support assembly 2 includes a base plate 201 fixedly installed at the lower end of the storage tube 101, the lower end of the base plate 201 is fixedly connected to the support tube 202, the inner wall of the support tube 202 is threadedly connected to the adjustment column 203, the lower end of the adjustment column 203 is rotatably connected to the support leg 204, and the distance between the support tube 202 and the support leg 204 is changed by rotating the adjustment column 203, thereby adjusting the storage tube 101 to a horizontal position.

[0022] A limiting groove 109 is provided at the side edge of one end of the extension tube 102, a first limiting plate 110 is fixedly installed at one end of the storage tube 101, and a second limiting plate 111 is fixedly installed at one end of the extension tube 102. By setting the first limiting plate 110, the extension tube 102 can be prevented from slipping out of the storage tube 101, and by setting the second limiting plate 111, the slider 104 can be prevented from slipping out of the extension tube 102.

[0023] A positioning laser head 8 is fixedly installed at the lower end of the positioning head 108, a detection laser head 9 is fixedly installed at the lower end of the detection head 107, and a reading laser head 10 is fixedly installed on the side of the detection head 107 close to the storage tube 101. The front of the storage tube 101 and the extension tube 102 are engraved with scale markings. After positioning the first detection point using the positioning laser head 8 on the positioning head 108, move the slider 104 to adjust the position of the detection head 107, and use the detection laser head 9 on the detection head 107 to locate the second detection point, so as to determine the horizontal distance between the two points. The laser point emitted by the reading laser head 10 directly points to the scale marking on the storage tube 101 or the extension tube 102, so as to read the horizontal distance between the two points.

[0024] A limiting telescopic rod 11 is fixedly installed on one side of the detection head 107, the telescopic end of the limiting telescopic rod 11 passes through the positioning head 108 and is fixedly installed with a magnetic block 12, and a magnetic ring 13 is fixedly installed on one side of the positioning head 108. By arranging the limiting telescopic rod 11 between the positioning head 108 and the detection head 107, the distances between the positioning laser head 8 and the detection laser head 9 and the storage tube 101 are ensured to be the same, thereby ensuring the accuracy of the detection data.

[0025] A counterweight frame 4 is fixedly installed on the upper end of the storage cylinder 101, and a threaded rod 5 is threadedly connected to the surface of the counterweight frame 4. A counterweight block 6 is rotatably connected to the end of the threaded rod 5 away from the counterweight frame 4, and a crank 7 is fixedly installed on the other end of the threaded rod 5. By arranging the counterweight frame 4 on the storage cylinder 101, when the extension cylinder 102 is extended, the crank 7 is rotated to drive the threaded rod 5 to rotate, so that the threaded rod 5 extends outward along the counterweight frame 4, and the counterweight block 6 is extended out of the storage cylinder 101, thereby balancing the center of gravity of the entire device and maintaining the stability of the device.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for accurately measuring the horizontal distance between two points at a low level, comprising a working platform (1), a supporting assembly (2) arranged at the lower end of the working platform (1), and a horizontal bubble meter (3) fixedly mounted on the working platform (1), characterized in that: The working platform (1) comprises a storage cylinder (101), the inner wall of the storage cylinder (101) is slidably connected to an extension cylinder (102), the upper ends of the extension cylinder (102) and the storage cylinder (101) are both provided with a strip groove (103), the inner wall of the extension cylinder (102) is slidably connected to a slider (104), the front sides of the slider (104) and the storage cylinder (101) are respectively fixedly mounted with a first multi-stage telescopic rod (105) and a second multi-stage telescopic rod (106), the telescopic end of the first multi-stage telescopic rod (105) is fixedly mounted with a detection head (107), and the telescopic end of the second multi-stage telescopic rod (106) is fixedly mounted with a positioning head (108).

2. The device for accurately measuring the horizontal distance between two points at a low position according to claim 1, characterized in that: The support assembly (2) comprises a bottom plate (201) fixedly mounted on the lower end of the storage tube (101); the lower end of the bottom plate (201) is fixedly connected to the support tube (202); the inner wall of the support tube (202) is threadedly connected to an adjustment column (203); and the lower end of the adjustment column (203) is rotatably connected to a support leg (204).

3. The device for accurately measuring the horizontal distance between two points at a low position according to claim 1, characterized in that: A counterweight frame (4) is fixedly mounted on the upper end of the storage cylinder (101); a threaded rod (5) is threadedly connected to the surface of the counterweight frame (4); an end of the threaded rod (5) away from the counterweight frame (4) is rotatably connected to a counterweight block (6); and a crank (7) is fixedly mounted on the other end of the threaded rod (5).

4. The device for accurately measuring the horizontal distance between two points at a low place according to claim 1, characterized in that: A limiting groove (109) is provided at a side edge of one end of the extension tube (102), a first limiting plate (110) is fixedly mounted on one end of the storage tube (101), and a second limiting plate (111) is fixedly mounted on one end of the extension tube (102).

5. The device for accurately measuring the horizontal distance between two points at a low place according to claim 1, characterized in that: A positioning laser head (8) is fixedly mounted on the lower end of the positioning head (108), a detection laser head (9) is fixedly mounted on the lower end of the detection head (107), and a reading laser head (10) is fixedly mounted on a side of the detection head (107) close to the storage tube (101). The front sides of the storage tube (101) and the extension tube (102) are both engraved with scale markings.

6. The device for accurately measuring the horizontal distance between two points at a low place according to claim 1, characterized in that: A limiting telescopic rod (11) is fixedly mounted on one side of the detection head (107); the telescopic end of the limiting telescopic rod (11) passes through the positioning head (108) and is fixedly mounted with a magnetic block (12); and a magnetic ring (13) is fixedly mounted on one side of the positioning head (108).

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