Stay wire measuring device

Abstract

The utility model discloses a stay wire measuring device which comprises two nail heads, the upper end of one nail head is fixedly provided with a wire box, the wire box is internally provided with a wire spool, the wire spool is internally wound with a measuring wire, the other end of the measuring wire is fixedly connected with a dovetail sliding block, one side of the wire box is fixedly provided with a battery box, and the other side of the battery box is fixedly provided with a connecting rod. A first connecting column is fixedly installed at the upper end of the other nail head, a second sleeve is slidably installed on the first connecting column, a protruding plate is fixedly installed on the outer wall of the second sleeve, and a dovetail sliding groove is formed in the front face of the protruding plate. A limiting bolt can be driven to move out of a limiting hole through a displacement handle, so that the limiting on a dovetail sliding block is contacted, the dovetail sliding block can be easily moved out of a dovetail sliding groove, a motor is started to drive a wire spool to rotate, all measuring wires can be wound and stored in a wire box, and the situation that the measuring wires are damaged in the transportation process is effectively avoided. And the measuring line is exposed outside, damaged and broken.

Description

Technical Field

[0001] The utility model relates to a measuring device, in particular to a wire drawing measuring device. Background Art

[0002] Construction surveying equipment is a kind of equipment used in engineering to measure various horizontal, vertical and other benchmarks. It is an essential equipment for the initial construction of the project and is a guarantee of whether the foundation can be stable. Construction surveying equipment includes many kinds of equipment, and the wire pulling device is one of them.

[0003] For example, a wire pulling device for building measurement disclosed in the Chinese patent publication number CN212391018U includes two left and right rod barrels, each of which is provided with an electric push rod below the rod barrel, each of which is provided with a nail head below the electric push rod, each of which is provided with scale lines on the outer surface of the electric push rod, each of which is provided with a horizontal plate above the bottom end of the rod barrel near the electric push rod, each of which is provided with a bottom plate above the rod barrel, a wire box is provided on the bottom plate on the right side, and a fixed shell is provided on the bottom plate on the left side. By arranging a roller in the wire box, bearing seats are provided above and below the roller, and the motor on the wire box is connected to the bearing seat, it is convenient to drive the roller to rotate through the motor, so that the internal measuring line can be automatically retracted, which is convenient to use, and there is no need to manually retract and release the line, thereby improving the efficiency of the measuring work. By arranging a pen holder, it is convenient to mark the position required for building measurement, which saves time and effort and is convenient to use;

[0004] Some problems were found during the use of the above-mentioned existing wire pulling device for building measurement. First, the device motor and electric push rod both require electric drive, and cables need to be pulled to power the device. They cannot be adjusted manually, and pulling cables is cumbersome. Secondly, the measuring line connects the two devices together, and the measuring line between the two devices cannot be stored. During the moving and transportation process, the exposed measuring line is easily damaged and broken. Utility Model Content

[0005] The purpose of the utility model is to provide a wire drawing measuring device to solve the existing problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wire pulling measuring device, comprising two nail heads, wherein a wire box is fixedly installed on the upper end of one of the nail heads, a wire winding disk is arranged in the wire box, a measuring wire is wound in the wire winding disk, a dovetail slider is fixedly connected to the other end of the measuring wire, a battery box is fixedly installed on one side of the wire box, and a first connecting column is fixedly installed on the upper end of the other nail head, a second sleeve is slidably installed on the first connecting column, a convex plate is fixedly installed on the outer wall of the second sleeve, a dovetail groove is provided on the front side of the convex plate, the dovetail groove cooperates with the dovetail slider, a threaded adjustment column is rotatably installed in the second sleeve, a threaded hole is provided on the upper end of the first connecting column, and the threaded hole is threadably cooperated with the threaded adjustment column.

[0007] Preferably, a motor is fixedly mounted on the upper end of the wire box, an output end of the motor is fixedly connected to the winding reel, and a laser is fixedly mounted on the upper end of the wire box and on one side of the motor.

[0008] Preferably, a wire outlet groove is provided on the outer wall of the wire box, the wire outlet groove is communicated with the interior of the wire box, and a limiting hole is provided in the dovetail slider.

[0009] Preferably, a control panel is fixedly mounted on the battery box.

[0010] Preferably, a laser spot is fixedly mounted on the front side of the convex plate, and a limiting groove is provided on the front side of the convex plate and below the laser spot.

[0011] Preferably, a return spring is fixedly installed in the limiting groove, the other end of the return spring is fixedly connected to a limiting pin, the limiting pin cooperates with the limiting hole, and a displacement handle is fixedly installed on the limiting pin.

[0012] Preferably, the second sleeve and the outer wall of the wire box are both fixedly mounted with a level bubble.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The displacement handle can be used to drive the limit pin to move out of the limit hole, thereby contacting the limit of the dovetail slider. At this time, the dovetail slider can be easily moved out of the dovetail slide slot, thereby starting the motor to drive the winding reel to rotate, and all the measuring lines can be rolled up and stored inside the line box, effectively avoiding the problem of the measuring line being exposed and damaged during transportation.

[0015] 2. By setting the wire box and the second sleeve, the wire box can be visually erected at a high point, so that the threaded adjustment column can be rotated to drive the second sleeve to move, thereby adjusting the height of the second sleeve, so that the second sleeve and the wire box can be kept at a horizontal height. Manual adjustment does not require electric drive. A battery box is provided on the wire box, and a battery is provided inside the battery box to supply power, so that the device does not need to lay additional cables to provide power. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a cross-sectional view of the first connecting column and the second sleeve of the utility model;

[0018] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0019] Figure 4 This is a schematic diagram of the wire box structure of the utility model.

[0020] In the figure: 1. nail head; 2. wire box; 201. motor; 202. wire outlet slot; 203. laser; 204. measuring line; 205. dovetail slider; 206. limit hole; 3. battery box; 301. control panel; 4. first connecting column; 401. threaded hole; 5. second sleeve; 501. threaded adjustment column; 502. convex plate; 503. laser point; 504. dovetail slide; 6. limit groove; 601. return spring; 602. limit pin; 603. displacement handle; 8. level bubble. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4The utility model provides a technical solution: a wire pulling measuring device, comprising two nail heads 1, wherein a wire box 2 is fixedly installed on the upper end of one of the nail heads 1, a wire box 2 is arranged inside the wire box 2, a measuring wire 204 is wound inside the wire box 2, a dovetail slider 205 is fixedly connected to the other end of the measuring wire 204, a battery box 3 is fixedly installed on one side of the wire box 2, a first connecting column 4 is fixedly installed on the upper end of the other nail head 1, a second sleeve 5 is slidably installed on the first connecting column 4, a convex plate 502 is fixedly installed on the outer wall of the second sleeve 5, a dovetail groove 504 is provided on the front side of the convex plate 502, the dovetail groove 504 cooperates with the dovetail slider 205, a threaded adjusting column 501 is rotatably installed in the second sleeve 5, a threaded hole 401 is provided on the upper end of the first connecting column 4, and the threaded hole 401 is threadedly matched with the threaded adjusting column 501.

[0023] In this embodiment, the dovetail slider 205 cooperates with the dovetail slot 504, so that the dovetail slider 205 can be slidably installed inside the dovetail slot 504, and the dovetail slider 205 is fixed inside the dovetail slot 504 by using a limiting device, so that the measuring line 204 is connected to the second sleeve 5. When moving and transporting, the dovetail slider 205 is removed to release the connection between the second sleeve 5 and the wire box 2. At this time, the device can be transported separately, and the measuring line 204 can be completely retracted into the wire box 2. Figure 4 As shown, the measuring line 204 is effectively prevented from being exposed to the outside and damaged or disconnected during transportation. At the same time, a battery is arranged inside the battery box 3 to supply power to the power device inside the wire box 2 to avoid external cables. At the same time, the threaded hole 401 is threadedly matched with the threaded adjustment column 501. Rotating the threaded hole 401 can drive the second sleeve 5 to move, thereby adjusting the height of the second sleeve 5 so that the second sleeve 5 is horizontally aligned with the wire box 2. Manual adjustment does not require power supply, so there is no need to lay additional cables.

[0024] Among them, in order to achieve the purpose of driving the winding drum to rotate, the present device is implemented by adopting the following technical solutions: a motor 201 is fixedly installed on the upper end of the wire box 2, the output end of the motor 201 is fixedly connected to the winding drum, a laser 203 is fixedly installed on the upper end of the wire box 2 and on one side of the motor 201, a wire outlet groove 202 is opened on the outer wall of the wire box 2, the wire outlet groove 202 is communicated with the inside of the wire box 2, a limiting hole 206 is opened in the dovetail slider 205, and a control panel 301 is fixedly installed on the battery box 3.

[0025] By starting the motor 201, the winding drum can be driven to rotate, and the rotation of the winding drum can reel in or release the measuring line 204. The wire outlet slot 202 is connected to the inside of the wire box 2, so that the measuring line 204 is released through the wire outlet slot 202. The battery box 3 is provided with a battery and a control mainboard. The control panel 301 can control the start and stop of the motor 201. The laser 203 is used to emit laser to measure the horizontal height between the second sleeve 5 and the wire box 2.

[0026] Among them, in order to achieve the purpose of limiting the dovetail slider 205 to be fixed in the dovetail slide groove 504, the present device is implemented by adopting the following technical scheme: a laser point 503 is fixedly installed on the front of the convex plate 502, and a limiting groove 6 is provided on the front of the convex plate 502 and below the laser point 503, a return spring 601 is fixedly installed in the limiting groove 6, and the other end of the return spring 601 is fixedly connected to a limiting pin 602, the limiting pin 602 cooperates with the limiting hole 206, a displacement handle 603 is fixedly installed on the limiting pin 602, and a level bubble 8 is fixedly installed on the second sleeve 5 and the outer wall of the wire box 2.

[0027] By cooperating with the laser point 503 and the laser 203, it is determined that the wire box 2 and the second sleeve 5 are at the same height. The return spring 601 can provide a certain thrust for the limit pin 602. The limit pin 602 is inserted into the limit hole 206 under the thrust, thereby fixing the dovetail slider 205 inside the dovetail slide groove 504. The displacement handle 603 can drive the limit pin 602 to move, and the level bubble 8 is used to adjust the second sleeve 5 and the wire box 2 to be in a horizontal state.

[0028] The working principle and use process of the utility model are as follows: when in use, the nail heads 1 on the wire box 2 and the second sleeve 5 need to be inserted into the appropriate positions respectively, and the second sleeve 5 and the wire box 2 are observed to be in a vertical and horizontal state respectively through the level bubble 8, the laser 203 is started to emit laser, and the threaded adjustment column 501 is rotated to drive the second sleeve 5 to move, thereby adjusting the height of the second sleeve 5 so that the emitted laser is aligned with the laser point 503. At this time, the second sleeve 5 and the wire box 2 are at the same height, and the motor 201 is started to drive the winding drum to rotate to release the measuring line 204, and the dovetail slider 205 connected to the measuring line 204 is inserted into the dovetail slot 504. The limit pin 602 is pushed by the return spring 601 to be stuck in the limit hole 206, thereby fixing the dovetail slider 205 inside the dovetail slot 504, and the motor 201 is started in reverse to drive the winding drum to reel in the measuring line 204, so that the measuring line 204 is in a taut state.

[0029] 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 wire-drawing measuring device, comprising two nail heads (1), characterized in that: A wire box (2) is fixedly mounted on the upper end of one of the nail heads (1), a wire box (2) is provided with a wire winding drum, a measuring wire (204) is wound inside the wire winding drum, a dovetail slider (205) is fixedly connected to the other end of the measuring wire (204), a battery box (3) is fixedly mounted on one side of the wire box (2), a first connecting column (4) is fixedly mounted on the upper end of the other nail head (1), a second sleeve (5) is slidably mounted on the first connecting column (4), a convex plate (502) is fixedly mounted on the outer wall of the second sleeve (5), a dovetail groove (504) is provided on the front of the convex plate (502), the dovetail groove (504) and the dovetail slider (205) cooperate with each other, a threaded adjustment column (501) is rotatably mounted in the second sleeve (5), a threaded hole (401) is provided on the upper end of the first connecting column (4), the threaded hole (401) and the threaded adjustment column (501) are threadedly matched.

2. A wire drawing measuring device according to claim 1, characterized in that: A motor (201) is fixedly mounted on the upper end of the wire box (2); an output end of the motor (201) is fixedly connected to a winding reel; and a laser (203) is fixedly mounted on the upper end of the wire box (2) and located on one side of the motor (201).

3. A wire drawing measuring device according to claim 1, characterized in that: The outer wall of the wire box (2) is provided with a wire outlet groove (202), the wire outlet groove (202) is communicated with the interior of the wire box (2), and a limiting hole (206) is provided in the dovetail slider (205).

4. A wire drawing measuring device according to claim 1, characterized in that: A control panel (301) is fixedly mounted on the battery box (3).

5. A wire-drawing measuring device according to claim 3, characterized in that: A laser spot (503) is fixedly mounted on the front side of the convex plate (502), and a limiting groove (6) is provided on the front side of the convex plate (502) and below the laser spot (503).

6. A wire-drawing measuring device according to claim 5, characterized in that: A return spring (601) is fixedly installed in the limit groove (6), and the other end of the return spring (601) is fixedly connected to a limit pin (602). The limit pin (602) cooperates with the limit hole (206), and a displacement handle (603) is fixedly installed on the limit pin (602).

7. A wire drawing measuring device according to claim 1, characterized in that: The second sleeve (5) and the outer wall of the wire box (2) are both fixedly mounted with a level bubble (8).

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