Centering rod perpendicularity correcting device

Abstract

The utility model relates to the technical field of construction survey setting-out, in particular to a centering rod perpendicularity correcting device which comprises a centering rod, a bubble assembly is arranged on the centering rod, a cavity is formed in the centering rod, a positioning plate is arranged on the inner bottom wall of the cavity, a cross line is arranged on the positioning plate, and the bubble assembly is arranged on the centering rod. According to the utility model, the positioning plate, the laser, the rope and other components are arranged, and the rope and other components are matched with the laser component in the working process, so that the laser is in a suspended state and is kept vertical under the action of gravity, and the laser is started to work by matching with the positioning plate component; light of the laser is projected on the positioning plate, whether the light is in the middle of the positioning plate or not is observed, and the perpendicularity condition of the centering rod after the horizontal bubble is centered is detected, so that the instrument is corrected and detected in time, the method is simple, convenient and reliable, the measurement setting-out precision can be effectively controlled, measurement errors are effectively reduced, and measurement accidents are avoided.

Description

Technical Field

[0001] The present application relates to the technical field of construction measurement and layout, and in particular to a device for correcting the verticality of a centering rod. Background Art

[0002] The centering pole is an engineering surveying device, which is mainly used in surveying and mapping operations to ensure the accuracy and efficiency of the surveying work. The centering pole serves as the prism pole of the total station and can be raised to a specified height to measure point coordinates. In engineering surveying, the role of the centering pole is particularly important. It improves the measurement accuracy of the prism height, thereby improving the accuracy of the elevation during the entire measurement process.

[0003] Through searching, Chinese patent announcement number CN218156189U discloses a cross laser beam rapid calibration centering rod device, a connector is fixedly connected to the middle position below the balance ruler, high-precision circular level bubbles are fixedly connected to the two sides above the balance ruler and at positions equidistant from the center, laser cross locators are fixedly connected to the two sides below the balance ruler and at positions equidistant from the center, and the laser cross locators are located directly below the high-precision circular level bubble; press the quick disassembly button on the connector, install it into the connecting rod on the tripod base, and then fix the tripod base to the tripod. The beneficial effects of the utility model are: using this device can solve the disadvantage of requiring multiple people to calibrate the centering rod, it is easy to install, requires little investment, is economical and practical, can save time and manpower, improve the accuracy of the verticality of the centering rod, and improve work efficiency; it produces economic benefits.

[0004] With respect to the above-mentioned related technologies, the inventors found the following defects: during the construction and production process, the centering rod is used frequently for measurement and layout, and the instrument is simple and quick to set up. However, when it is transported by vehicle or measured on site, the horizontal bubble is easily disturbed due to vibration, bumps, etc., resulting in the horizontal bubble being centered and the centering rod not being vertical, which is difficult for measurement workers to discover and it takes a long time to send it to the site for inspection and maintenance. Utility Model Content

[0005] In order to facilitate the timely discovery of the non-vertical situation of the centering rod, the present application provides a centering rod verticality correction device.

[0006] The present application provides a device for correcting the verticality of a centering rod, which adopts the following technical solution: it includes a centering rod, a bubble assembly is provided on the centering rod, a cavity is provided on the centering rod, a positioning plate is provided on the inner bottom wall of the cavity, a cross line is provided on the positioning plate, a laser is provided above the positioning plate, a wire rope is provided on the upper end of the laser, and one end of the wire rope is installed on the inner top wall of the cavity through a connecting piece.

[0007] Optionally, a counterweight block is disposed at the upper end of the laser, and the counterweight block is circular.

[0008] Optionally, the connecting member includes a mounting plate, both the mounting plate and the centering rod are provided with positioning holes, and a positioning bolt is provided between the mounting plate and the positioning hole on the centering rod.

[0009] Optionally, a sleeve is installed on the lower end surface of the mounting plate, the sleeve is sleeved on the rope, a baffle is installed on the lower end of the sleeve, and a rubber pad is provided on the other side of the baffle close to the counterweight block.

[0010] Optionally, a cover plate is provided on the centering rod, and the cover plate is made of transparent glass. One end of the cover plate is rotatably connected to the centering rod through a connecting block, and the other end of the cover plate is provided with a clamping strip. A clamping slot is provided on the centering rod at a position corresponding to the clamping strip, and the clamping strip is clamped in the clamping slot.

[0011] Optionally, positioning holes are provided at corresponding positions of the positioning plate and the centering rod, and a second positioning bolt is provided between the positioning holes on the positioning plate and the centering rod.

[0012] Optionally, a mounting groove is provided on the top wall of the cavity, and the mounting groove has the same shape as the mounting plate. A bracket is provided on one side of the centering rod, and the upper end of the bracket is mounted on the centering rod.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The utility model is provided with a positioning plate, a laser, a wire rope and other components. During the working process, the wire rope and other components cooperate with the laser components, so that the laser is in a suspended state and remains vertical under the action of gravity. By cooperating with the positioning plate component, the laser is turned on, the laser light is projected on the positioning plate, and it is observed whether the light is in the middle position of the positioning plate. After the horizontal bubble is centered, the verticality of the centering rod is detected, so as to achieve timely calibration and detection of the instrument. The method is simple and reliable, can effectively control the measurement and setting out accuracy, effectively reduce measurement errors, and prevent measurement accidents.

[0015] 2. The utility model is provided with a counterweight, a mounting plate, a positioning bolt 1, a positioning bolt 2, a cover plate and other components. When in use, the cover plate component is used to protect the components in the cavity to prevent the components in the cavity from being damaged by external forces. The positioning bolt 1 component, the mounting plate component and the positioning bolt 2 component cooperate with each other, so that the laser and the positioning plate can be removed from the centering rod, and the laser and the positioning plate can be inspected and replaced. The weight of the laser is increased by the counterweight, thereby improving the stability of the laser. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application;

[0017] Figure 2 In the embodiment of this application Figure 1 The enlarged schematic diagram at A in the middle;

[0018] Figure 3 is a partial cross-sectional view of an embodiment of the present application;

[0019] Figure 4 In the embodiment of this application Figure 3 Enlarged schematic diagram of point B in the middle.

[0020] Figure numerals: 1. Centering rod; 2. Bracket; 3. Bubble assembly; 4. Cavity; 5. Positioning plate; 6. Laser; 7. Rope; 8. Counterweight; 9. Mounting plate; 10. Mounting slot; 11. Positioning bolt one; 12. Positioning bolt two; 13. Cover plate; 14. Connecting block; 15. Clip strip; 16. Clip slot; 17. Sleeve; 18. Baffle. DETAILED DESCRIPTION

[0021] The following is combined with Figure 1-Figure 4 This application is described in further detail.

[0022] The present application discloses a device for correcting the verticality of a centering rod. Figure 1 , Figure 2 , Figure 3 As shown, it includes a centering rod 1, a bubble assembly 3 is arranged on the centering rod 1, a cavity 4 is arranged on the centering rod 1, and a cover plate 13 is arranged on the centering rod 1. The cover plate 13 is made of transparent glass material, which is convenient for the staff to observe the situation in the cavity 4. One end of the cover plate 13 is rotatably connected to the centering rod 1 through a connecting block 14, and a clamping strip 15 is arranged on the other end of the cover plate 13. A clamping groove 16 is arranged on the centering rod 1 at a position corresponding to the clamping strip 15, and the clamping strip 15 is clamped in the clamping groove 16.

[0023] See also Figure 1 , Figure 2 , Figure 3 As shown, when in use, the staff drives the card strip 15 to separate from the card slot 16, thereby opening the cover plate 13 from the centering rod 1, so that the internal space of the cavity 4 is displayed, and the cover plate 13 is rotated by driving the card strip 15 in the reverse direction and the card strip 15 is stuck in the corresponding card slot 16, so as to fix the cover plate 13, thereby achieving the effect of protecting the internal space of the cavity 4.

[0024] See also Figure 3 , Figure 4A positioning plate 5 is provided on the inner bottom wall of the cavity 4, a cross line is provided on the positioning plate 5, positioning holes are provided at corresponding positions of the positioning plate 5 and the centering rod 1, a positioning bolt 12 is provided between the positioning plate 5 and the positioning hole on the centering rod 1, a laser 6 is provided above the positioning plate 5, a wire rope 7 is provided on the upper end of the laser 6, one end of the wire rope 7 is installed on the inner top wall of the cavity 4 through a connecting piece, the laser 6 is suspended by the wire rope 7, and the laser 6 is in a vertical state under the action of gravity, the laser 6 can be controlled to work by software or the button on the centering rod 1, the light emitted by the laser 6 is projected on the positioning plate 5, and by observing whether the light is projected on the middle part of the positioning plate 5, it is detected whether the centering rod 1 is in a vertical state.

[0025] See also Figure 3 , Figure 4 A counterweight block 8 is arranged at the upper end of the laser 6, and the counterweight block 8 is arranged in a circular shape. The weight of the laser 6 is increased by the counterweight block 8, so as to improve the stability of the laser 6. The connecting piece includes a mounting plate 9, and positioning holes are arranged on the mounting plate 9 and the centering rod 1. A positioning bolt 11 is arranged between the positioning holes on the mounting plate 9 and the centering rod 1. A mounting groove 10 is arranged on the top wall of the cavity 4, and the mounting groove 10 has the same shape as the mounting plate 9. The mounting groove 10 is convenient for the staff to quickly position the mounting plate 9, and the mounting plate 9 is connected to the centering rod 1 through the positioning bolt 11. By removing the positioning bolt 11, the restriction between the laser 6 and the centering rod 1 is released, and the components of the laser 6 can be replaced and repaired.

[0026] See also Figure 1 , Figure 4 A bracket 2 is provided on one side of the centering rod 1, and the upper end of the bracket 2 is installed on the centering rod 1. A sleeve 17 is installed on the lower end surface of the mounting plate 9, and the sleeve 17 is sleeved on the line rope 7. A baffle 18 is installed on the lower end of the sleeve 17, and a rubber pad is provided on the other side of the baffle 18 close to the counterweight 8. When the centering rod 1 is moved, the counterweight 8 and the laser 6 will inevitably shake. The rubber pad provided on the baffle 18 can provide a certain protection for the counterweight 8 and the laser 6 to reduce unnecessary damage.

[0027] The implementation principle of a centering rod verticality correction device in an embodiment of the present application is as follows: when in use, the centering rod 1 is driven to a flat position and supported and fixed by a bracket 2, and then two theodolites or total stations are equidistant from the centering rod at 90°. The sights of the two theodolites are first aimed at the tip of the bottom of the centering rod, the horizontal dial is locked, and the sights are raised to observe the verticality between the top and the bottom of the centering rod, and whether the bubble in the bubble assembly 3 is centered. The three screws at the bottom of the bubble assembly 3 are adjusted with a hexagonal wrench to center the horizontal bubble. When the horizontal bubble is centered, the laser 6 is controlled to turn on. The laser 6 emits light on the positioning plate 5, and observes whether the light is in the middle of the positioning plate 5, so as to detect the verticality of the centering rod after the horizontal bubble is centered, and the instrument can be calibrated and detected in time. The method is simple and reliable, can effectively control the measurement and layout accuracy, effectively reduce measurement errors, and prevent measurement accidents.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A centering rod verticality correction device, comprising a centering rod (1), characterized in that: The centering rod (1) is provided with a bubble assembly (3), the centering rod (1) is provided with a cavity (4), the inner bottom wall of the cavity (4) is provided with a positioning plate (5), the positioning plate (5) is provided with a crosshair, a laser (6) is provided above the positioning plate (5), a wire rope (7) is provided at the upper end of the laser (6), and one end of the wire rope (7) is mounted on the inner top wall of the cavity (4) via a connecting piece.

2. A centering rod verticality correction device according to claim 1, characterized in that: A counterweight block (8) is arranged at the upper end of the laser (6), and the counterweight block (8) is arranged in a circular shape.

3. A centering rod verticality correction device according to claim 2, characterized in that: The connecting member comprises a mounting plate (9), both the mounting plate (9) and the centering rod (1) are provided with positioning holes, and a positioning bolt 1 (11) is provided between the mounting plate (9) and the positioning holes on the centering rod (1).

4. A centering rod verticality correction device according to claim 3, characterized in that: A sleeve (17) is mounted on the lower end surface of the mounting plate (9), the sleeve (17) is sleeved on the wire rope (7), a baffle (18) is mounted on the lower end of the sleeve (17), and a rubber pad is provided on the other side of the baffle (18) close to the counterweight (8).

5. The device for correcting the verticality of a centering rod according to claim 1, characterized in that: The centering rod (1) is provided with a cover plate (13), the cover plate (13) being made of transparent glass, one end of the cover plate (13) being rotatably connected to the centering rod (1) via a connecting block (14), the other end of the cover plate (13) being provided with a clamping strip (15), a clamping slot (16) being provided on the centering rod (1) at a position corresponding to the clamping strip (15), the clamping strip (15) being clamped in the clamping slot (16).

6. A centering rod verticality correction device according to claim 1, characterized in that: Positioning holes are provided at corresponding positions of the positioning plate (5) and the centering rod (1), and a second positioning bolt (12) is provided between the positioning holes on the positioning plate (5) and the centering rod (1).

7. The device for correcting the verticality of a centering rod according to claim 3, characterized in that: The inner top wall of the cavity (4) is provided with a mounting groove (10), the mounting groove (10) having the same shape as the mounting plate (9), a bracket (2) is provided on one side of the centering rod (1), and the upper end of the bracket (2) is mounted on the centering rod (1).

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