Distance measuring device for engineering surveying

Abstract

The utility model discloses a distance measuring device for engineering surveying, which relates to the technical field of engineering surveying and mapping and comprises a supporting column, a bottom plate is arranged at the bottom of the supporting column, an inner cavity is formed in the supporting column, an inner rod is inserted into the inner cavity, a supporting table is fixedly connected to the top of the inner rod, and side plates are arranged on two sides of the top of the supporting table. A rotating shaft is transversely mounted close to the lower part of the side plate in a penetrating manner, a gear sleeve sleeves the surface of the rotating shaft, a rotating shaft is transversely mounted close to the upper part of the side plate in a penetrating manner, a mounting table is fixedly connected to the top of the rotating shaft, and a gear ring is arranged at the bottom of the mounting table and attached to the gear sleeve; according to the utility model, the rotating shaft is adjusted, the gear ring is engaged with the gear sleeve, and the mounting table rotates by taking the rotating shaft as the axis to adjust the horizontal angle on the mounting table until the laser transmitter on the mounting table is horizontal, so that the accuracy of measured data is ensured, the device can cope with any uneven bottom surface, and the application range is widened.

Description

Technical Field

[0001] This utility model belongs to the field of engineering surveying technology, specifically, it relates to a distance measuring device for engineering surveying. Background Technology

[0002] In engineering surveying, distance measurement is a fundamental and crucial step. Traditional methods, such as steel tape measurement and optical distance measurement, suffer from low efficiency, poor accuracy, and susceptibility to environmental influences. In recent years, with the development of laser and electronic technologies, laser rangefinders have gradually become mainstream. They calculate distance by emitting a laser beam and measuring the time difference or phase difference of the reflected light, offering advantages such as fast measurement speed, high accuracy, and non-contact operation.

[0003] Chinese Patent Publication No. CN218445998U discloses an infrared ranging device for engineering measurement, including a support frame. The support frame includes a sliding rail and a telescopic rod. The sliding rail is located at the telescopic end of the telescopic rod, and a moving device is slidably connected to the sliding rail. An infrared ranging mechanism is mounted on the moving device. The infrared ranging mechanism includes a housing, a clamping device, a laser emitter, and a processing module. The processing module is electrically connected to the laser emitter and is located inside the housing. The clamping device is rotatably connected to the housing, and the laser emitter is located inside the clamping device. Although the above-mentioned prior art can adjust the height of the laser emitter, it cannot adjust its incident angle. When the device is fixed on the ground, if the ground is uneven and has a certain tilt angle, it will cause the incident angle of the laser to be inaccurate, thus causing measurement errors.

[0004] In view of this, this utility model is proposed. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a distance measuring device for engineering measurement, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] A distance measuring device for engineering surveying includes: a support column, characterized in that a base plate is provided at the bottom of the support column, an inner cavity is opened inside the support column, an inner rod is inserted into the inner cavity, a support platform is fixedly connected to the top of the inner rod, side plates are provided on both sides of the top of the support platform, a rotating shaft is horizontally installed through the side plates near the bottom, a toothed sleeve is sleeved on the surface of the rotating shaft, a rotating shaft is horizontally installed through the side plates near the top, a mounting platform is fixedly connected to the top of the rotating shaft, and a toothed ring is provided at the bottom of the mounting platform in contact with the toothed sleeve.

[0008] Optionally, the inner rod has pressure teeth on its front side, the support column has a fixing seat on its front side, a locking shaft is rotatably mounted at the center of the fixing seat, and a pressure block is provided on the back side of the locking shaft.

[0009] Optionally, a rotating base is fixedly connected to both sides of the inner rod, a side bracket is rotatably installed inside the rotating base, an insert plate is fixedly connected to the bottom of the side bracket, a sleeve rod is sleeved on the outside of the insert plate, and a support foot is rotatably installed at the bottom of the sleeve rod.

[0010] Optionally, the insert plate and sleeve rod have several insertion holes on their surfaces, and fasteners are installed inside the insertion holes.

[0011] Optionally, a ground stake is vertically installed through the top of the support leg.

[0012] Optionally, a spirit level is embedded inside the mounting platform.

[0013] By adopting the above technical solution, the present invention has the following beneficial effects compared with the prior art. Of course, any product implementing the present invention does not necessarily need to achieve all of the following advantages at the same time:

[0014] 1. The ranging device used in this project is mounted on the ground via a support column, and the laser emitter is mounted on a mounting platform. If the ground is uneven, the mounting platform will tilt. By adjusting the rotating shaft, the gear ring and gear sleeve are engaged, and the mounting platform is rotated around the rotating shaft to adjust the horizontal angle of the mounting platform until the laser emitter on the mounting platform is horizontal, thereby ensuring the accuracy of the measurement data. This allows the device to cope with any uneven ground surface and improves its applicability.

[0015] 2. The measuring device used in this project is supported by the bottom plate of the support column. The side brackets on both sides of the inner rod are attached to the bottom surface by the support feet at the bottom of the sleeve rod. The ground nails are inserted into the support feet for fixation. The multiple support structures make the installation of the device more stable. Furthermore, the overall height of the device can be changed by adjusting the locking shaft and the insertion hole, making the adjustment more flexible.

[0016] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0017] The accompanying drawings described below are merely some embodiments. Those skilled in the art can obtain other drawings based on these drawings without any creative effort.

[0018] In the picture:

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 for Figure 1Enlarged view of point A shown;

[0021] Figure 3 This is a cross-sectional view of the present invention;

[0022] Figure 4 for Figure 3 Enlarged view of point B shown;

[0023] Figure 5 for Figure 3 Enlarged view of point C shown.

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1. Support column; 101. Inner cavity; 102. Base plate; 103. Fixing seat; 104. Locking shaft; 105. Pressure block; 2. Inner rod; 201. Pressure tooth; 202. Rotating base; 3. Side bracket; 301. Insert plate; 302. Insertion hole; 303. Sleeve rod; 304. Fastener; 305. Support leg; 306. Ground nail; 4. Support platform; 401. Side plate; 402. Rotating shaft; 403. Gear sleeve; 5. Mounting platform; 501. Gear ring; 502. Rotating shaft; 503. Spirit level.

[0026] It should be noted that these accompanying drawings and textual descriptions are not intended to limit the scope of the present invention in any way, but rather to illustrate the concept of the present invention to those skilled in the art by referring to specific embodiments. Detailed Implementation

[0027] The present invention will now be described in further detail with reference to the accompanying drawings.

[0028] Please see Figure 1-5 As shown, this embodiment provides a distance measuring device for engineering surveying, including: a support column 1.

[0029] like Figure 1-5As shown, in this embodiment, the support column 1 has a base plate 102 at its bottom, and an inner cavity 101 is formed inside the support column 1. An inner rod 2 is inserted into the inner cavity 101, and a support platform 4 is fixedly connected to the top of the inner rod 2. Side plates 401 are provided on both sides of the top of the support platform 4. A rotating shaft 402 is horizontally installed through the side plates 401 near the bottom. A toothed sleeve 403 is sleeved on the surface of the rotating shaft 402. A rotating shaft 502 is horizontally installed through the side plates 401 near the top. A mounting platform 5 is fixedly connected to the top of the rotating shaft 502, and a toothed ring 501 is provided at the bottom of the mounting platform 5 in contact with the toothed sleeve 403. The laser emitter is placed on the mounting platform 5 for installation and fixation. The device is supported by the base plate 102 in contact with the ground. When the device is in close contact with the ground, the surface conditions can affect its alignment. On uneven ground, the entire device may tilt, affecting the emission angle of the laser emitter on the mounting platform 5 and consequently the measurement results. In this case, the rotating shaft 402 on the side plate 401 can be rotated. The gear sleeve 403 on the rotating shaft 402 meshes with the gear ring 501, which drives the gear ring 501 to rotate. The gear ring 501 is connected to the bottom of the mounting platform 5, and its axis is on the rotating shaft 502. When the gear ring 501 rotates, it drives the mounting platform 5 to rotate around the rotating shaft 502, thereby adjusting the angle between the mounting platform 5 and the ground. This allows the laser emitter to maintain a horizontal position as much as possible when emitting laser light, improving the accuracy of the measurement results.

[0030] like Figure 3 , 5 As shown, in this embodiment, the inner rod 2 has a pressure tooth 201 on its front side, and the support column 1 has a fixed seat 103 on its front side. A locking shaft 104 is rotatably mounted on the center of the fixed seat 103, and a pressure block 105 is provided on the back of the locking shaft 104. The inner rod 2 can move up and down in the inner cavity 101 of the support column 1. By engaging and rotating the locking shaft 104 on the fixed seat 103 with the threaded hole, the pressure block 105 inside is pushed inward and pressed against the pressure tooth 201. The teeth on the pressure block 105 and the pressure tooth 201 fit perfectly, increasing the contact area and thus increasing friction, thereby fixing the inner rod 2 in the inner cavity 101. Depending on the different lengths of the inner rod 2 extending from the inner cavity 101, the pressure block 105 presses against the pressure tooth 201 at different positions to fix the inner rod 2, thereby adjusting the length of the inner rod 2 extending, so that the height of the laser emitter on the mounting platform 5 can be adjusted as needed.

[0031] like Figure 1As shown, in this embodiment, the inner rod 2 is fixedly connected to the two sides of the rotating base 202. The side bracket 3 is rotatably installed inside the rotating base 202. The bottom of the side bracket 3 is fixedly connected to the insert plate 301. The sleeve rod 303 is sleeved on the outside of the insert plate 301. The bottom of the sleeve rod 303 is rotatably installed with the support leg 305. The support leg 305 is in contact with the bottom surface. The front end of the side bracket 3 is connected to the rotating base 202. The side bracket 3 can rotate on the rotating base 202 through the through shaft. Similarly, the support leg 305 can rotate at the bottom of the sleeve rod 303 to make the bottom surface in contact with the ground. The entire structure of the side bracket 3 and the sleeve rod 303 is symmetrical from left to right. The support on both sides makes the column 1 more stable and reduces the shaking during measurement.

[0032] like Figure 1 As shown, the insert plate 301 and the sleeve rod 303 in this embodiment have several insertion holes 302 on their surfaces, and fasteners 304 are provided inside the insertion holes 302. The insert plate 303 is inserted into the sleeve rod 303. By aligning a single hole on the surface of the two, the fasteners 304 are installed in the hole, thereby fixing the side bracket 3 and the sleeve rod. The length of the insert plate 303 inserted into the sleeve rod 303 is different depending on the position of the aligned hole, thereby changing the length of the entire side bracket 3. This is adjusted in conjunction with the length of the support column 1 to better stabilize the laser emitter.

[0033] like Figure 1 As shown, in this embodiment, a ground nail 306 is vertically installed through the top of the support leg 305; wherein, the ground nail 306 penetrates the support leg 305 to insert into the bottom surface, thereby fixing the support leg 305 and finally fixing the entire side bracket 3, and the auxiliary support column 1 provides support, making the whole more stable.

[0034] like Figure 1 As shown, a level 503 is embedded inside the mounting platform 5 in this embodiment. The level 503 is used to measure the levelness of the mounting platform 5. When the support column 1 is installed on an inclined ground, the bubble in the level 503 will shift. The horizontal angle of the mounting platform 5 is adjusted by adjusting the rotating shaft 402 until the level 503 returns to the center position, thereby completing the adjustment.

[0035] Working principle: The inner rod 2 is pulled out from the inner cavity 101 of the support column 1, and the bottom plate 102 is attached to the ground. The locking shaft 104 is rotated so that the pressure block 105 is pressed onto the pressure tooth 201 to fix the inner rod 2. Then the side brackets 3 on both sides are separated to the sides, and the insert plate 301 is pulled out from the sleeve rod 303 until the bottom support foot 305 is attached to the ground. The position is adjusted so that the insertion hole 302 on the sleeve rod 303 and the insert plate 301 are aligned and locked through the fastener. Then the ground nail 306 is driven in to fix the support foot 305 to fix the entire distance measuring device. The level bubble on the mounting platform 5 is observed to see if the mounting platform 5 is level. The rotating shaft 402 is adjusted so that the toothed sleeve 403 and the toothed ring 501 are engaged, which drives the toothed ring 501 and the connected mounting platform 5 to rotate around the rotating shaft 502 to realize the angle adjustment of the mounting platform 5.

[0036] This utility model is not limited to the above-described embodiments. Anyone should know that structural changes made under the guidance of this utility model, and any technical solutions that are the same as or similar to this utility model, fall within the protection scope of this utility model. Technical aspects, shapes, and structures not described in detail in this utility model are all publicly known technologies.

Claims

1. A distance measuring device for engineering surveying, comprising: The support column (1) is characterized in that a base plate (102) is provided at the bottom of the support column (1), an inner cavity (101) is provided inside the support column (1), an inner rod (2) is inserted into the inner cavity (101), a support platform (4) is fixedly connected to the top of the inner rod (2), side plates (401) are provided on both sides of the top of the support platform (4), a rotating shaft (402) is horizontally installed through the side plate (401) near the bottom, a toothed sleeve (403) is sleeved on the surface of the rotating shaft (402), a rotating shaft (502) is horizontally installed through the side plate (401) near the top, a mounting platform (5) is fixedly connected to the top of the rotating shaft (502), and a toothed ring (501) is provided at the bottom of the mounting platform (5) in contact with the toothed sleeve (403).

2. The distance measuring device for engineering surveying according to claim 1, characterized in that, The inner rod (2) has pressure teeth (201) on its front side, and the support column (1) has a fixed seat (103) on its front side. A locking shaft (104) is rotatably mounted on the center of the fixed seat (103), and a pressure block (105) is provided on the back side of the locking shaft (104).

3. The distance measuring device for engineering surveying according to claim 1, characterized in that, The inner rod (2) is fixedly connected to a rotating base (202) on both sides. A side bracket (3) is rotatably installed inside the rotating base (202). A plug plate (301) is fixedly connected to the bottom of the side bracket (3). A sleeve rod (303) is sleeved on the outside of the plug plate (301). A support foot (305) is rotatably installed at the bottom of the sleeve rod (303).

4. A distance measuring device for engineering surveying according to claim 3, characterized in that, The insert plate (301) and sleeve (303) have a plurality of insertion holes (302) on their surfaces, and fasteners (304) are provided inside the insertion holes (302).

5. A distance measuring device for engineering surveying according to claim 3, characterized in that, A ground nail (306) is vertically installed through the top of the support leg (305).

6. A distance measuring device for engineering surveying according to claim 1, characterized in that, The mounting platform (5) is fitted with a spirit level (503).

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