A device for quickly keeping vertical poles for engineering surveying

Abstract

The present invention discloses a device for quickly keeping a benchmark for engineering survey in a vertical state, which can quickly keep a benchmark for engineering survey in a vertical state and fix it, improve the accuracy of engineering survey, save manpower, and improve efficiency. The device for quickly keeping a benchmark for engineering survey in a vertical state comprises an annular fixing block with a 90-degree notch; two mutually perpendicular fixing rods are arranged in the annular fixing block; the two fixing rods are located in the notch; two rotatable sliders are arranged on the two fixing rods, and one side of the slider can be perpendicular to the horizontal plane, so that the measuring benchmark can be fixed by the side of the two sliders perpendicular to the ground plane, so that the measuring benchmark can be quickly verticalized. The use of the device for quickly keeping a benchmark for engineering survey in a vertical state can ensure the accuracy of measurement, reduce the workload of operators, and improve work efficiency.

Description

Technical Field

[0001] The invention relates to a fixing device for a measuring pole, in particular to a device for quickly keeping a pole vertical for engineering measurement. Background Art

[0002] It is well known that engineering surveying is an indispensable part in the current construction of buildings, railways, roads, bridges, tunnels and other projects. In the process of engineering surveying, the benchmarks used, such as tower rulers, prism support poles, etc., need to be placed vertically. However, in actual surveying work, the benchmarks used are mostly supported by manual hand or simple brackets, which will result in the benchmarks not being truly in a vertical state. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a device for quickly keeping a benchmark for engineering surveying in a vertical state, which can quickly keep a benchmark for engineering surveying in a vertical state and fix it, thereby improving the accuracy of engineering surveying, saving manpower and improving efficiency.

[0004] The technical solution adopted by the present invention to solve the technical problem is: a device for quickly keeping a benchmark for engineering surveying vertical, comprising an annular fixing block with a 90-degree notch;

[0005] Two mutually perpendicular fixing rods are arranged in the annular fixing block; the two fixing rods are located in the notch; a rotating sleeve is sleeved on the fixing rod; at least one limit block is arranged on the outer circumference of the rotating sleeve;

[0006] The rotating sleeve is slidably provided with a slider; the slider is provided with a through slot matching the limit block; the through slot is provided with a roller; the limit block is provided with a limit slot matching the roller;

[0007] A weight is arranged on one side of the slider; the weight is connected to the center of the side of the slider through a connecting device; of the two side surfaces of the slider adjacent to the weight, a magnet is arranged on the side surface located on the notch side, and a laser light is arranged at the lower part of the side surface; a counterweight block whose mass matches that of the magnet and the laser light is arranged on the opposite side surface of the side surface;

[0008] The annular fixing block is provided with an indicator line along the direction of the fixing rod; an iron panel is provided on one end of the rotating sleeve; the iron panel is close to the connection between the fixing rod and the annular fixing block; a magnetic switch is provided at the connection between the fixing rod and the annular fixing block; at least three brackets are provided on the annular fixing block; and the three brackets are evenly distributed along the circumference of the annular fixing block.

[0009] Specifically, the bracket includes a fixed axis and a tripod; a mounting hole is provided on the annular fixed block; one end of the tripod is inserted into the mounting hole and fixed in the mounting hole by a fixed axis; the fixed axis passes through the tripod, and the tripod rotates freely along the fixed axis; an inclined inner side surface for limiting the rotation angle of the tripod is provided in the mounting hole; the tripod can rotate to a maximum angle of 30° with the vertical direction.

[0010] Furthermore, the connecting device adopts a connecting rod.

[0011] Furthermore, a connecting rod connected to the annular fixing block is provided at the connection between the two fixing rods.

[0012] Specifically, the magnetic switch is composed of a knob rigidly connected to a permanent magnet via a straight rod.

[0013] Furthermore, four limit blocks are arranged on the outer circumferential surface of the rotating sleeve.

[0014] Preferably, the connecting device is a connecting rod.

[0015] The beneficial effect of the present invention is that the device for quickly keeping the verticality of a benchmark for engineering surveying of the present invention is provided with two mutually perpendicular fixed rods, and two rotatable sliders are provided on the two fixed rods, and one side of the slider can be perpendicular to the horizontal plane, so the measuring benchmark can be fixed by the side of the two sliders perpendicular to the ground plane, so that the measuring benchmark can be quickly verticalized. Therefore, the accuracy of measurement can be guaranteed, the workload of operators can be reduced, and the work efficiency can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional diagram of a device for quickly keeping a vertical pole for engineering surveying in an embodiment of the present invention;

[0017] Figure 2 1 is a top view of a device for quickly keeping a vertical pole for engineering surveying according to an embodiment of the present invention;

[0018] Figure 3 yes Figure 2 AA section view;

[0019] Figure 4 yes Figure 2 BB cross-sectional view;

[0020] Figure 5 yes Figure 2 A partial enlarged view of middle C;

[0021] Figure 6 yes Figure 2 A partial enlarged view of D in the middle;

[0022] Figure 7It is a structural diagram of a magnetic switch;

[0023] Figure 8 1 is a diagram showing the use state of the device for quickly keeping a vertical pole for engineering surveying in an embodiment of the present invention;

[0024] Markings in the figure: 1-annular fixing block, 2-fixing rod, 3-rotating sleeve, 4-slider, 5-magnetic switch, 6-bracket, 7-indicator line, 8-counterweight block, 9-magnetic block, 10-single-line laser light, 11-connecting device, 12-weight, 13-limit block, 14-roller, 15-limit slot, 16-iron panel, 18-measuring benchmark. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0026] like Figures 1 to 6 As shown, the device for quickly keeping a vertical pole for engineering surveying of the present invention comprises an annular fixing block 1 having a 90-degree notch;

[0027] Two mutually perpendicular fixing rods 2 are arranged in the annular fixing block 1; the two fixing rods 2 are located in the notch; a rotating sleeve 3 is sleeved on the fixing rod 2; at least one limiting block 13 is arranged on the outer circumference of the rotating sleeve 3;

[0028] The rotating sleeve 3 is slidably provided with a slider 4; the slider 4 is provided with a through slot matching the limit block 13; the through slot is provided with a roller 14; the limit block 13 is provided with a limit slot 15 matching the roller 14;

[0029] A weight 12 is provided on one side of the slider 4; the weight 12 is connected to the center of the side of the slider 4 through a connecting device 11; of the two side surfaces of the slider 4 adjacent to the weight 12, a magnet 9 is provided on the side surface located on the notch side, and a laser light 10 is provided at the lower part of the side surface; a counterweight 8 whose mass matches that of the magnet 9 and the laser light 10 is provided on the opposite side surface of the side surface;

[0030] The annular fixing block 1 is provided with an indicator line 7 along the direction of the fixing rod 2; an iron panel 16 is provided on one end of the rotating sleeve 3; the iron panel 16 is close to the connection between the fixing rod 2 and the annular fixing block 1; a magnetic switch 5 is provided at the connection between the fixing rod 2 and the annular fixing block 1; at least three brackets 6 are provided on the annular fixing block 1; and the three brackets 6 are evenly distributed along the circumference of the annular fixing block 1. That is, the three brackets 6 have an angle of 120°, are evenly distributed at three positions of the annular fixing block 1, and point to three directions. When working, the three tripods are simultaneously expanded outward along the fixed axis 20, so that the annular fixing block 1 is at a certain height.

[0031] Specifically, the fixed rod 2 of the device for quickly keeping the vertical pole for engineering surveying described in the present invention is connected to the annular fixed block 1, the rotating sleeve 3 is sleeved on the fixed rod 2 and passes through the slider 4, and the slider 4 can slide on the rotating sleeve 3 through the roller 14 and can drive the rotating sleeve 3 to rotate. The upper part of the connecting device 11 is rigidly connected to the slider 4, and the lower part is rigidly connected to the weight 12. Under the action of gravity, the side of the slider 4 is in a vertical state. The iron panel 16 is sleeved on the fixed rod 2 and rigidly connected to the rotating sleeve 3. The upper left part of the slider 4 is a magnet 9 to fix the engineering surveying pole, and the lower part is a straight laser light 10. The counterweight 8 is used to balance the unbalanced force caused by the mass of the magnet 9 and the straight laser light 10. The magnetic switch 5 is composed of a knob rigidly connected to a permanent magnet through a straight rod. When the switch is turned off, the permanent magnet plays the role of fixing the iron panel and the rotating sleeve. The bracket 6 plays the role of supporting this device.

[0032] During use, turn on the two magnetic switches 5 so that the left sides of the two sliders 4 on the fixed rod 2 are in the same straight line with the identification arrow 11 and the measuring instrument. Turn on the straight laser lights 10 on the two sliders 4. The intersection is the contact point between the benchmark and the ground. After aligning the intersection with the point to be measured, fix the bracket 6.

[0033] Due to the action of the weight 12, the side of the slider 4 remains vertical in a natural state. Turn off the magnetic switch 5, so that the rotating sleeve 3 cannot rotate under the action of the magnetic force, thereby preventing the rotation of the slider 4. Move the two sliders 4 along the axial direction to make them intersect with the fixed rod 2. At this time, the line formed by the intersection of the sides of the two sliders 4 is the vertical line. Place the engineering surveying benchmark 18 at the intersection of the two sliders 4 and fix it with the magnet inside the slider to fix the benchmark vertically.

[0034] In summary, the device for quickly keeping the vertical pole for engineering surveying described in the present invention is provided with two mutually perpendicular fixed rods, and two rotatable sliders are provided on the two fixed rods, and one side of the slider can be perpendicular to the horizontal plane, so the measuring pole can be fixed by the side of the two sliders perpendicular to the ground plane, so that the measuring pole can be quickly verticalized. Therefore, the accuracy of measurement can be guaranteed, the workload of operators can be reduced, and the work efficiency can be improved.

[0035] In order to facilitate the installation of the annular fixing block 1, specifically, the bracket 6 includes a fixed shaft 20 and a tripod 21; the annular fixing block 1 is provided with a mounting hole 19; one end of the tripod 21 is inserted into the mounting hole 19 and is fixed in the mounting hole 19 by the fixed shaft 20; the fixed shaft 20 passes through the tripod 21, and the tripod 21 rotates freely along the fixed shaft 20; an oblique inner side surface for limiting the rotation angle of the tripod 21 is provided in the mounting hole 19; so that the tripod 21 can rotate to a maximum angle of 30° with the vertical direction.

[0036] In order to enable the weight 12 to rotate the slider 4 and to make the weight 12 rigidly connected to the slider 4, preferably, the connecting device 11 is a connecting rod.

[0037] In order to make the structure stable, further, a connecting rod connected to the annular fixing block 1 is provided at the connection between the two fixing rods 2 .

[0038] In order to simplify the structure and reduce the manufacturing cost, preferably, the magnetic switch 5 is composed of a knob rigidly connected to a permanent magnet via a straight rod.

[0039] In order to facilitate the rotation of the rotating sleeve 3 and the sliding block 4 together, four limit blocks 13 are further arranged on the outer circumferential surface of the rotating sleeve 3 .

Claims

1. A device for quickly keeping a vertical pole for engineering surveying, characterized in that: It comprises an annular fixing block (1) having a 90-degree notch; Two mutually perpendicular fixing rods (2) are arranged inside the annular fixing block (1); the two fixing rods (2) are located in the notch; a rotating sleeve (3) is sleeved on the fixing rod (2); and at least one limiting block (13) is arranged on the outer circumferential surface of the rotating sleeve (3); The rotating sleeve (3) is slidably sleeved with a slider (4); a through slot matching the limit block (13) is provided in the slider (4); a roller (14) is provided in the through slot; and a limit slot (15) matching the roller (14) is provided on the limit block (13); A weight (12) is provided on one side of the slider (4); the weight (12) is connected to the center of the side of the slider (4) via a connecting device (11); of the two side surfaces of the slider (4) adjacent to the side surface on which the weight (12) is provided, a magnet (9) is provided on the side surface located on the notch side, and a line laser light (10) is provided at the lower portion of the side surface; and a counterweight (8) having a mass matching that of the magnet (9) and the line laser light (10) is provided on the opposite side surface of the side surface; The annular fixing block (1) is provided with an indication line (7) in the direction of the fixing rod (2); an iron panel (16) is provided on one end of the rotating sleeve (3); the iron panel (16) is close to the connection between the fixing rod (2) and the annular fixing block (1); a magnetic switch (5) is provided at the connection between the fixing rod (2) and the annular fixing block (1); and at least three brackets (6) are provided on the annular fixing block (1), and the three brackets (6) are evenly distributed along the circumference of the annular fixing block (1).

2. The device for quickly keeping a vertical pole for engineering surveying according to claim 1 is characterized in that: The bracket (6) comprises a fixed shaft (20) and a tripod (21); the annular fixed block (1) is provided with a mounting hole (19); one end of the tripod (21) is inserted into the mounting hole (19) and is fixed in the mounting hole (19) via the fixed shaft (20); the fixed shaft (20) passes through the tripod (21), and the tripod (21) is freely rotatable along the fixed shaft (20); an oblique inner side surface for limiting the rotation angle of the tripod (21) is provided in the mounting hole (19); the tripod (21) can be rotated to a maximum angle of 30° with the vertical direction.

3. The device for quickly keeping a vertical pole for engineering surveying according to claim 2 is characterized in that: The connecting device (11) adopts a connecting rod.

4. The device for quickly keeping a vertical pole for engineering surveying according to claim 3 is characterized in that: A connecting rod connected to the annular fixing block (1) is provided at the connection between the two fixing rods (2).

5. The device for quickly keeping a vertical pole for engineering surveying according to claim 4 is characterized in that: The magnetic switch (5) is composed of a knob rigidly connected to a permanent magnet via a straight rod.

6. The device for quickly keeping a vertical pole for engineering surveying according to claim 5 is characterized in that: Four limiting blocks (13) are arranged on the outer circumferential surface of the rotating sleeve (3).

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