Laser range finder for engineering surveying

Abstract

The utility model relates to a laser range finder for engineering surveying, which belongs to the technical field of engineering surveying equipment and comprises a base, a lifting component is mounted at the top of the base, and an adjusting component capable of being driven by the lifting component to lift is mounted at the top end of the lifting component. The top of the adjusting assembly is provided with a laser range finder body which can be driven by the adjusting assembly to carry out longitudinal and transverse rotation adjustment. The adjusting assembly comprises a fixed disc, an adjusting disc abutting against the top of the fixed disc, a first indicating piece fixed to the top of the fixed disc and located on the outer side of the adjusting disc, a first pointer fixed to the front face of the adjusting disc, a rotating rod fixed to the bottom of the adjusting disc and a driven gear arranged on the outer side of the rotating rod in a sleeving mode. The driving rod is rotationally connected to the bottom of the fixed disc through a bearing, and the driving gear is arranged on the outer side of the driving rod in a sleeving mode. According to the laser range finder for engineering surveying, the orientation of the laser range finder can be finely adjusted more conveniently and easily.

Description

Technical Field

[0001] The present application relates to the technical field of engineering surveying equipment, and specifically to a laser rangefinder for engineering surveying. Background Art

[0002] A laser rangefinder is an instrument that uses a certain parameter of modulated laser to measure the distance to the target. When working, a pulsed laser rangefinder emits a beam or a series of short pulsed laser beams toward the target. The photoelectric element receives the laser beam reflected by the target, and the timer measures the time from the emission to the reception of the laser beam to calculate the distance from the observer to the target.

[0003] According to a laser rangefinder for engineering measurement disclosed in Chinese patent publication number CN215415862U, the patent is provided with a base, a support platform, a support plate, a rotating shaft, an angle adjustment seat, a support seat, a laser rangefinder body and an angle adjuster, which facilitates the support of the laser rangefinder body to avoid large deviations in measurement data caused by manual holding. At the same time, the rotation angle of the laser rangefinder body can be accurately adjusted, effectively improving the measurement accuracy of the laser rangefinder body, which is very convenient.

[0004] However, during the actual measurement process, it is necessary to fine-tune the orientation of the laser rangefinder so that it is the same as the direction of the receiving element. This patent can only achieve this effect by moving the entire structure, which is very inconvenient in actual operation. As a result, there is room for improvement in the practicality of existing laser rangefinders used for engineering measurement. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the present application provides a laser rangefinder for engineering measurement, which has the advantages of being able to fine-tune the direction of the laser rangefinder more conveniently and easily, thereby solving the shortcoming of the existing laser rangefinder for engineering measurement that it is inconvenient to fine-tune the direction of the laser rangefinder during actual operation.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solution: a laser rangefinder for engineering surveying, comprising a base, a lifting assembly mounted on the top of the base, an adjustment assembly mounted on the top of the lifting assembly capable of being driven by the lifting assembly to perform lifting operations, and a laser rangefinder body mounted on the top of the adjustment assembly capable of being driven by the lifting assembly to perform longitudinal and lateral rotation adjustment;

[0007] The adjusting assembly includes a fixed plate, an adjusting plate abutting the top of the fixed plate, a first indicator piece fixed to the top of the fixed plate and located on the outside of the adjusting plate, a first pointer fixed to the front of the adjusting plate, a rotating rod fixed to the bottom of the adjusting plate, a driven gear sleeved on the outside of the rotating rod, an active rod rotatably connected to the bottom of the fixed plate through a bearing, a driving gear sleeved on the outside of the active rod, a handle fixedly mounted on the bottom end of the active rod, two symmetrical blocks fixed to the top of the adjusting plate, a circular rod rotatably connected to the left side of the right symmetrical block through a bearing, an extension rod rotatably connected to the left side of the left symmetrical block through a bearing, a drive box fixed to the left side of the left symmetrical block, a worm gear sleeved on the outside of the extension rod, a worm connected to the front and rear inner side walls of the drive box through a bearing, a handle fixedly mounted on one end of the back of the worm gear, a second pointer fixed to the outside of the extension rod, and a second indicator piece fixed to the left side of the drive box; the laser rangefinder body is detachably connected between the circular rod and the opposite end of the extension rod.

[0008] By adopting the above technical solution, the direction of the laser rangefinder can be fine-tuned more conveniently and easily.

[0009] Furthermore, the lifting assembly includes a lifting box fixed on the top of the base, a bidirectional screw rod rotatably connected between the left and right inner walls of the lifting box through a bearing, a support rod fixed between the left and right inner walls of the lifting box, two moving blocks threadedly connected to the outside of the bidirectional screw rod, a servo motor fixedly installed on the left side of the lifting box, and a lifting rod hinged to the top of the moving block through a pin shaft.

[0010] By adopting the above technical solution, the laser rangefinder can be height-adjusted.

[0011] Furthermore, the top of the lifting box is opened, and the right end of the support rod passes through the two moving blocks in sequence.

[0012] By adopting the above technical solution, the moving block and the lifting rod can move normally, and the moving block can be limited by the support rod.

[0013] Furthermore, the two moving blocks are symmetrically distributed on the left and right, and the top end of the lifting rod is hinged to the bottom end of the fixed plate through a pin shaft.

[0014] By adopting the above technical solution, the two moving blocks can be driven to move towards or away from each other under the action of the bidirectional screw rod, so that the two lifting rods can support the fixed plate.

[0015] Furthermore, the positions of the first pointer and the first indicator piece correspond to each other, the bottom end of the rotating rod passes through the bottom of the fixed plate, and the outer side of the rotating rod is rotatably connected to the bottom of the fixed plate through a bearing.

[0016] By adopting the above technical solution, the adjusting disk can determine the rotation angle according to the first pointer when rotating, so that the rotating rod can drive the adjusting disk to rotate stably.

[0017] Furthermore, the outer side of the driving gear and the outer side of the driven gear are meshed with each other, and the diameter of the driving gear is smaller than the diameter of the driven gear.

[0018] By adopting the above technical solution, the driving gear can drive the driven gear to rotate slowly, thereby achieving a fine-tuning effect.

[0019] Furthermore, the right end of the extension rod passes through the left side of the left symmetrical block, and the outer side of the worm and the outer side of the worm wheel are engaged with each other.

[0020] By adopting the above technical solution, the extension rod can cooperate with the circular rod to allow the laser rangefinder body to rotate normally, so that the worm can be easily driven by the handle to rotate, and then drive the worm wheel to rotate.

[0021] Furthermore, one end of the back side of the worm passes through the back side of the drive box, and the position of the second pointer corresponds to the position of the second indicator piece.

[0022] By adopting the above technical solution, the angle of longitudinal rotation can be easily determined.

[0023] Compared with the existing technology, the technical solution of this application has the following beneficial effects:

[0024] The laser rangefinder for engineering surveying can more conveniently and easily fine-tune the direction of the laser rangefinder through the coordinated use of the lifting assembly and the adjustment assembly on the top of the base. At the same time, through the coordination of the structure, the longitudinally rotating structure can have a certain self-locking ability, thereby allowing the laser rangefinder to maintain a stable state and position after longitudinal adjustment, facilitating the stable execution of the laser measurement work, thereby effectively improving the practicality and actual use effect of the laser rangefinder for engineering surveying. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of this application;

[0026] Figure 2 For this application structure Figure 1 Schematic diagram of the rear view;

[0027] Figure 3 For this application structure Figure 1A partial enlarged schematic diagram of the middle part A;

[0028] Figure 4 For this application structure Figure 1 A three-dimensional schematic diagram of the middle fixed plate connection structure.

[0029] In the figure: 1. Base; 200. Lifting assembly; 201. Lifting box; 202. Bidirectional screw; 203. Support rod; 204. Moving block; 205. Servo motor; 206. Lifting rod; 300. Adjusting assembly; 301. Fixed disk; 302. Adjusting disk; 303. First indicator plate; 304. First pointer; 305. Rotating rod; 306. Driven gear; 307. Active rod; 308. Active gear; 309. Handle; 310. Symmetrical block; 311. Round rod; 312. Extension rod; 313. Drive box; 314. Worm gear; 315. Worm; 316. Handle; 317. Second pointer; 318. Second indicator plate; 4. Laser rangefinder body. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0031] See also Figures 1 to 4 The present application provides a technical solution: a laser rangefinder for engineering measurement, comprising a base 1, a lifting assembly 200 is installed on the top of the base 1, an adjusting assembly 300 that can be driven by the lifting assembly 200 to perform lifting work is installed on the top of the lifting assembly 200, and a laser rangefinder body 4 that can be driven by the adjusting assembly 300 to perform longitudinal and lateral rotation adjustment is installed on the top of the adjusting assembly 300; through the coordinated use between the lifting assembly 200 and the adjusting assembly 300 on the top of the base 1, the direction of the laser rangefinder can be fine-tuned more conveniently and easily, and at the same time, through the coordination of the structures, the longitudinally rotating structure can have a certain self-locking ability, thereby allowing the laser rangefinder to maintain a stable state and position after longitudinal adjustment, facilitating the stable performance of the laser measurement work, thereby effectively improving the practicality and actual use effect of the laser rangefinder for engineering measurement.

[0032] In this embodiment, the adjustment component 300 is a structure for adjusting the laser rangefinder longitudinally and transversely.

[0033] like Figure 2 、 Figure 3 and Figure 4As shown, the adjustment assembly 300 includes a fixed plate 301, an adjustment plate 302 abutting against the top of the fixed plate 301, a first indicator piece 303 fixed to the top of the fixed plate 301 and located on the outside of the adjustment plate 302, a first pointer 304 fixed to the front of the adjustment plate 302, a rotating rod 305 fixed to the bottom of the adjustment plate 302, a driven gear 306 sleeved on the outside of the rotating rod 305, an active rod 307 rotatably connected to the bottom of the fixed plate 301 through a bearing, a driving gear 308 sleeved on the outside of the active rod 307, a handle 309 fixedly installed at the bottom end of the active rod 307, two symmetrical blocks 310 fixed to the top of the adjustment plate 302, and a driven gear 306 sleeved on the outside of the rotating rod 305. The laser rangefinder body 4 is detachably connected to the circular rod 311 on the left side of the right symmetrical block 310, the extension rod 312 is rotatably connected to the left side of the left symmetrical block 310 through a bearing, the drive box 313 is fixed to the left side of the left symmetrical block 310, the worm gear 314 is sleeved on the outside of the extension rod 312, the worm 315 is rotatably connected between the front and rear inner walls of the drive box 313 through a bearing, the handle 316 is fixedly mounted on one end of the back of the worm 315, the second pointer 317 is fixed to the outside of the extension rod 312, and the second indicator piece 318 is fixed to the left side of the drive box 313.

[0034] It should be noted that the positions of the first pointer 304 and the first indicator piece 303 correspond to each other, so that the adjusting disk 302 can judge the rotation angle according to the first pointer 304 when rotating. The bottom end of the rotating rod 305 passes through the bottom of the fixed disk 301, and the outer side of the rotating rod 305 is rotatably connected to the bottom of the fixed disk 301 through a bearing, so that the rotating rod 305 can drive the adjusting disk 302 to rotate stably.

[0035] In addition, the outer side of the driving gear 308 and the outer side of the driven gear 306 are engaged with each other, and the diameter of the driving gear 308 is smaller than the diameter of the driven gear 306, so that the driving gear 308 can drive the driven gear 306 to rotate slowly, achieving a fine-tuning effect. The right end of the extension rod 312 passes through the left side of the left symmetrical block 310, so that the extension rod 312 can cooperate with the circular rod 311 to allow the laser rangefinder body 4 to rotate normally.

[0036] At the same time, the outer side of the worm 315 and the outer side of the worm wheel 314 are engaged with each other, and the back end of the worm 315 passes through the back of the drive box 313, so that the worm 315 can be easily driven by the handle 316 to rotate, and then the worm wheel 314 can be driven to rotate. The position of the second pointer 317 corresponds to the position of the second indicator piece 318, which can facilitate the judgment of the angle of longitudinal rotation.

[0037] In this embodiment, the lifting assembly 200 is a structure for adjusting the height of the laser rangefinder.

[0038] like Figure 1 and Figure 2 As shown, the lifting assembly 200 includes a lifting box 201 fixed to the top of the base 1, a bidirectional screw rod 202 rotatably connected between the left and right inner walls of the lifting box 201 through a bearing, a support rod 203 fixed between the left and right inner walls of the lifting box 201, two moving blocks 204 threadedly connected to the outside of the bidirectional screw rod 202, a servo motor 205 fixedly installed on the left side of the lifting box 201, and a lifting rod 206 hinged to the top of the moving block 204 through a pin shaft.

[0039] It should be noted that the top of the lifting box 201 is open, so that the moving block 204 and the lifting rod 206 can move normally. The right end of the support rod 203 passes through the two moving blocks 204 in sequence, so that the moving block 204 can be limited by the support rod 203. The two moving blocks 204 are symmetrically distributed on the left and right, so that under the action of the bidirectional screw rod 202, the two moving blocks 204 can be driven to move closer to each other or away from each other.

[0040] In addition, the top of the lifting rod 206 is hinged to the bottom of the fixed plate 301 through a pin shaft, so that the two lifting rods 206 can support the fixed plate 301, and under the action of the hinge at both ends, the lifting rod 206 can push the fixed plate 301 to rise or fall when it moves.

[0041] It should also be noted that the electrical components appearing in the article are all electrically connected to the main controller and the power supply. The power supply is a portable power supply and can be detachably connected to the top of the base 1. The provision of power is common knowledge in the field. The main controller can be a conventional known device such as a PLC controller that plays a control role. It can be implemented through simple programming by technicians in this field, and they are all existing publicly available power connection technologies and will not be described in detail in this article.

[0042] The working principle of the above embodiment is:

[0043] When using this laser rangefinder for measurement, the base 1 is placed at a designated location, the servo motor 205 is started, and the bidirectional screw 202 is driven to rotate. Under the limiting effect of the support rod 203, the two moving blocks 204 can move toward or away from each other, and then the fixed plate 301 is pushed or pulled upward or downward under the hinged effect of the two ends of the jacking rod 206 to meet the height adjustment requirements. The handle 316 is turned to drive the worm 315 to rotate, so that the worm wheel 314 can rotate, and then the extension rod 312 can rotate, which can drive the laser rangefinder body 4 to rotate and adjust, and can be self-locked and stopped, which is convenient for measurement. After the above debugging is completed, the orientation of the laser rangefinder body 4 can be fine-tuned. The handle 309 is turned to make the active rod 307 drive the active gear 308 to rotate, thereby rotating the driven gear 306 and driving the rotating rod 305 to rotate, so that the adjustment disk 302 on the top of the fixed disk 301 can be rotated and adjusted to meet the fine-tuning of the orientation. At the same time, during the rotation adjustment process, the first indicator piece 303 and the first pointer 304 cooperate with each other, and the second indicator piece 318 and the second pointer 317 cooperate with each other, so that the lateral rotation angle and the longitudinal rotation angle can be viewed and recorded.

[0044] Compared with the existing technology, the laser rangefinder for engineering measurement can more conveniently and easily fine-tune the direction of the laser rangefinder through the cooperation between the lifting component 200 and the adjustment component 300 on the top of the base 1. At the same time, through the cooperation of the structure, the longitudinally rotating structure can have a certain self-locking ability, thereby allowing the laser rangefinder to maintain a stable state and position after longitudinal adjustment, facilitating the stable performance of the laser measurement work, thereby effectively improving the practicality and actual use effect of the laser rangefinder for engineering measurement, and solving the shortcoming of the existing laser rangefinder for engineering measurement that it is inconvenient to easily fine-tune the direction of the laser rangefinder during actual operation.

Claims

1. A laser rangefinder for engineering measurement, comprising a base (1), characterized in that: A lifting assembly (200) is mounted on the top of the base (1); an adjusting assembly (300) capable of being driven by the lifting assembly (200) to perform lifting operations is mounted on the top of the lifting assembly (200); and a laser rangefinder body (4) capable of being driven by the adjusting assembly (300) to perform longitudinal and lateral rotational adjustments is mounted on the top of the adjusting assembly (300); The adjusting assembly (300) comprises a fixed plate (301), an adjusting plate (302) abutting against the top of the fixed plate (301), a first indicator piece (303) fixed to the top of the fixed plate (301) and located outside the adjusting plate (302), a first pointer (304) fixed to the front of the adjusting plate (302), a rotating rod (305) fixed to the bottom of the adjusting plate (302), a driven gear (306) sleeved on the outside of the rotating rod (305), an active rod (307) rotatably connected to the bottom of the fixed plate (301) through a bearing, a driving gear (308) sleeved on the outside of the active rod (307), a handle (309) fixedly mounted on the bottom end of the active rod (307), two symmetrical blocks (310) fixed to the top of the adjusting plate (302), and a through A circular rod (311) rotatably connected to the left side of the right symmetrical block (310) via a bearing, an extension rod (312) rotatably connected to the left side of the left symmetrical block (310) via a bearing, a drive box (313) fixed to the left side of the left symmetrical block (310), a worm wheel (314) sleeved on the outside of the extension rod (312), a worm (315) rotatably connected between the front and rear inner walls of the drive box (313) via a bearing, a handle (316) fixedly mounted on one end of the back side of the worm (315), a second pointer (317) fixed to the outside of the extension rod (312), and a second indicator piece (318) fixed to the left side of the drive box (313); the laser rangefinder body (4) is detachably connected between the circular rod (311) and the opposite end of the extension rod (312).

2. The laser rangefinder for engineering surveying according to claim 1, characterized in that: The lifting assembly (200) comprises a lifting box (201) fixed to the top of the base (1), a bidirectional screw rod (202) rotatably connected between the left and right inner walls of the lifting box (201) via a bearing, a support rod (203) fixed between the left and right inner walls of the lifting box (201), two moving blocks (204) threadedly connected to the outside of the bidirectional screw rod (202), a servo motor (205) fixedly installed on the left side of the lifting box (201), and a lifting rod (206) hinged to the top of the moving block (204) via a pin.

3. The laser rangefinder for engineering surveying according to claim 2, characterized in that: The top of the lifting box (201) is open, and the right end of the support rod (203) passes through the two moving blocks (204) in sequence.

4. The laser rangefinder for engineering surveying according to claim 2, characterized in that: The two moving blocks (204) are symmetrically distributed on the left and right, and the top end of the lifting rod (206) is hinged to the bottom end of the fixed plate (301) through a pin.

5. The laser rangefinder for engineering surveying according to claim 1, characterized in that: The positions of the first pointer (304) and the first indicator piece (303) correspond to each other, the bottom end of the rotating rod (305) passes through the bottom of the fixed plate (301), and the outer side of the rotating rod (305) is rotatably connected to the bottom of the fixed plate (301) through a bearing.

6. The laser rangefinder for engineering surveying according to claim 1, characterized in that: The outer side of the driving gear (308) and the outer side of the driven gear (306) are meshed with each other, and the diameter of the driving gear (308) is smaller than the diameter of the driven gear (306).

7. The laser rangefinder for engineering surveying according to claim 1, characterized in that: The right end of the extension rod (312) passes through the left side of the left symmetrical block (310), and the outer side of the worm (315) and the outer side of the worm wheel (314) are meshed with each other.

8. The laser rangefinder for engineering surveying according to claim 1, characterized in that: One end of the back side of the worm (315) passes through the back side of the drive box (313), and the position of the second pointer (317) corresponds to the position of the second indicator piece (318).

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