Leveling device for surveying and mapping instrument
By designing a leveling device for mapping instruments including a central support rod, adjusting legs and bubble level, the problem of complex operation and difficulty in achieving fast and accurate horizontal settings in the prior art is solved, and the rapid, accurate horizontal settings and simplified operation of mapping instruments are achieved.
Patent Information
- Application Number
- CN202421685957.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The leveling device of existing surveying and mapping instruments is complex in operation and it is difficult to achieve fast and accurate horizontal settings.
A leveling device including a central support rod, an adjusting leg and a bubble level are designed. Accurate horizontal setting is achieved through the electric rough adjustment of the center support and the adjustment of the legs, combined with manual fine adjustment and calibration of the bubble level.
It realizes the rapid and accurate level setting of surveying and mapping instruments, simplifies the operation process, reduces the operation difficulty of staff, and improves the use efficiency.
Smart Images
Figure CN222848984U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of surveying and mapping leveling devices, and more specifically, to a surveying and mapping instrument leveling device. Background Art
[0002] Construction, roads, geological exploration, mineral mining and other projects are all based on engineering surveying. The most basic surveying instruments used in the surveying are level, theodolite, total station and other surveying instruments. When measuring, the platform surface on which the surveying instruments are fixed should be kept horizontal. Surveying instruments, in simple terms, are instruments and devices designed and manufactured for surveying and mapping operations, such as data collection, processing, and output; various instruments for orientation, distance measurement, angle measurement, height measurement, mapping and photogrammetry required for surveying work during the planning, design, construction and management stages of engineering construction.
[0003] According to the actual construction needs of the construction site, the leveling settings of surveying and mapping instruments tend to be upgraded in a more streamlined and convenient direction. Although there are many types of leveling devices on the market, it is still necessary to continue to upgrade the leveling devices to make them more convenient to operate and use. Utility Model Content
[0004] The purpose of the utility model is to provide a leveling device for surveying and mapping instruments, which can first determine the point and approximate height through the central support rod, then perform electric coarse adjustment by adjusting the legs to form a stable support, and finally achieve precise horizontal setting through manual fine adjustment. The whole adjustment process is simple and the operation difficulty is low. The staff can get started better during the actual adjustment, which is convenient for practical and quick use.
[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a leveling device for surveying and mapping instruments, comprising a placement platform plate, a central support rod and at least three adjustment legs;
[0006] The top end of the central support rod is connected to the middle of the bottom surface of the platform plate through a universal joint;
[0007] The adjustable legs include an upper electric telescopic rod, a middle manual telescopic rod, a lower electric telescopic rod and a moving wheel which are arranged in sequence from top to bottom;
[0008] Three leg mounting seats are evenly arranged on the side of the placement platform plate, the top end of the upper electric telescopic rod is rotatably connected to the leg mounting seat, the top end of the middle hand-adjustable telescopic rod is fixedly connected to the bottom end of the upper electric telescopic rod, the bottom end of the middle hand-adjustable telescopic rod is rotatably connected to the top end of the lower electric telescopic rod, and the bottom end of the lower electric telescopic rod is fixedly connected to the moving wheel;
[0009] At least three bubble levels are arranged on the top surface of the placement platform plate, and the adjustment direction of the bubble levels is consistent with that of the adjustment legs.
[0010] As a preferred technical solution of the utility model, the upper electric telescopic rod and the lower electric telescopic rod are both provided with an electrically controlled extension or shortening switch.
[0011] As a preferred technical solution of the utility model, the placement platform plate is provided with an inner cavity, and a battery is provided in the inner cavity. The battery is used to supply power to the upper electric telescopic rod and the lower electric telescopic rod.
[0012] As a preferred technical solution of the utility model, the middle hand-adjustable telescopic rod includes a top inner rod, a bottom inner rod and a middle outer tube, the top end of the top inner rod is fixedly connected to the bottom end of the upper electric telescopic rod, the bottom end of the bottom inner rod is rotatably connected to the top end of the lower electric telescopic rod, the top and bottom ends of the middle outer tube are respectively sleeved on the bottom end of the top inner rod and the top end of the bottom inner rod, the inner side of the middle outer tube is provided with an internal thread, and the outer sides of the top inner rod and the bottom inner rod are respectively provided with external threads matching the internal thread, and when the middle outer tube rotates, the top inner rod and the bottom inner rod are simultaneously extended or retracted from the inside of the middle outer tube.
[0013] As a preferred technical solution of the utility model, the universal joint is a damping universal joint, and the bottom end of the middle manual telescopic rod is rotationally connected to the top end of the lower electric telescopic rod through a damping joint.
[0014] As a preferred technical solution of the present utility model, the movable wheel is a lockable universal wheel.
[0015] As a preferred technical solution of the utility model, the bottom end of the central support rod is provided with a stabilizing leg, and the stabilizing leg includes a tightenable central clamp and at least three outward-rotating support rods, the central clamp is sleeved on the outside of the central support rod, and at least three mounting ears are evenly arranged on the outside of the central clamp, and one end of the outward-rotating support rod is rotatably connected to the mounting ear.
[0016] As a preferred technical solution of the utility model, the outer side of the bottom end of the outward rotating support rod is a rough surface.
[0017] As a preferred technical solution of the utility model, a distance scale is arranged on the outer side of the central support rod.
[0018] To sum up, the utility model has the following beneficial effects: in actual use, first extend the central support rod and insert it into the bottom surface so that there is a fulcrum for the leveling device, and then rotate and open the three adjustment legs respectively. According to actual use needs, you can choose to bend the middle manual telescopic rod and the lower electric telescopic rod, and use the switch to roughly adjust the length of the upper electric telescopic rod and the lower electric telescopic rod. At this time, the approximate height of the leveling device can be determined. By observing the position of the bubbles in each bubble level, the staff can extend or shorten the middle manual telescopic rod until the bubbles in each bubble level are in the center position. At this time, the placement platform plate is adjusted to a horizontal position, and then the surveying and mapping instrument is installed on the placement platform plate. The surveying and mapping instrument can also be installed in advance and then the leveling operation is performed. At this time, the surveying and mapping instrument is on the horizontal placement platform plate, and the actual surveying and mapping work can be carried out. The entire leveling device of the utility model can first determine the point and approximate height through the central support rod, and then perform electric coarse adjustment by adjusting the legs to form a stable support, and finally achieve precise horizontal setting through manual fine adjustment. The entire adjustment process is simple and the operation difficulty is low. The staff can better get started during actual adjustment, which is convenient and quick to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the utility model;
[0020] Figure 2 It is a schematic diagram of the leveling device of the utility model being expanded;
[0021] Figure 3 It is a schematic diagram of the central support rod of the utility model;
[0022] Figure 4 It is a schematic diagram of a bubble level of the utility model.
[0023] In the figure: 1. Place the platform plate; 2. Center support rod; 3. Adjust the outrigger; 4. Universal joint; 5. Upper electric telescopic rod; 6. Middle manual telescopic rod; 7. Lower electric telescopic rod; 8. Moving wheel; 9. Outrigger mounting seat; 10. Bubble level; 11. Top inner rod; 12. Bottom inner rod; 13. Middle outer tube; 14. Damping joint; 15. Clamp; 16. Outrigger. DETAILED DESCRIPTION
[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0025] like Figure 1 As shown, the utility model provides a leveling device for a surveying and mapping instrument, comprising a placing platform plate 1, a central support rod 2 and at least three adjusting legs 3;
[0026] like Figure 2 As shown, the top of the central support rod 2 is connected to the middle of the bottom surface of the placement platform plate 1 through a universal joint 4, and the universal joint 4 is a damping universal joint 4. A distance scale is arranged on the outer side of the central support rod 2; the central support rod 2 can adjust the angle between the placement platform plate 1 and the placement platform plate 1 according to actual use requirements, and can also adjust the length, so as to adjust the height and angle of the placement platform plate 1. The damping universal joint 4 can maintain the angle, which can make it more convenient to actually maintain the angle of the central support rod 2.
[0027] like Figure 3 As shown, the adjustable leg 3 includes an upper electric telescopic rod 5, a middle manual telescopic rod 6, a lower electric telescopic rod 7 and a moving wheel 8 which are arranged in sequence from top to bottom;
[0028] Three leg mounting seats 9 are evenly arranged on the side of the placement platform plate 1, the top end of the upper electric telescopic rod 5 is rotatably connected to the leg mounting seat 9, the top end of the middle manual telescopic rod 6 is fixedly connected to the bottom end of the upper electric telescopic rod 5, the bottom end of the middle manual telescopic rod 6 is rotatably connected to the top end of the lower electric telescopic rod 7, the bottom end of the middle manual telescopic rod 6 is rotatably connected to the top end of the lower electric telescopic rod 7 through a damping joint 14, the bottom end of the lower electric telescopic rod 7 is fixedly connected to the moving wheel 8, the moving wheel 8 is a lockable universal wheel, and the universal wheel can facilitate the actual overall movement of the entire leveling device.
[0029] The adjusting leg 3 itself has a bending joint and three telescopic adjustment rods, and is connected to the placement platform plate 1 through the bending joint, so as to realize large-scale rotation and bending, and height adjustment over a long span.
[0030] The upper electric telescopic rod 5 and the lower electric telescopic rod 7 can be electrically controlled, which is more convenient for actual large-scale distance adjustment. The middle manual telescopic rod 6 can facilitate fine manual adjustment by the staff, so that the adjustment accuracy can be guaranteed and it can facilitate actual fine distance adjustment with one hand.
[0031] Specifically, the upper electric telescopic rod 5 and the lower electric telescopic rod 7 are both provided with an electrically controlled extension or shortening switch, which is convenient for adjusting the height of the actual placement platform 1. The placement platform 1 is provided with an inner cavity, and a battery is provided in the inner cavity, and the battery is used to power the upper electric telescopic rod 5 and the lower electric telescopic rod 7.
[0032] like Figure 4 As shown, at least three bubble levels 10 are arranged on the top surface of the placement platform plate 1 , and the adjustment direction of the bubble level 10 is consistent with that of the adjustment leg 3 , so that the position that needs to be adjusted can be quickly determined through the position of the bubble in the bubble level 10 .
[0033] The working principle, use process and technical advantages of the surveying and mapping instrument leveling device of the present invention are as follows: in actual use, the central support rod 2 is first extended and inserted into the bottom surface so that the leveling device has a fulcrum, and then the three adjustment legs 3 are rotated to open respectively. According to actual use needs, the middle manual telescopic rod 6 and the lower electric telescopic rod 7 can be bent, and the upper electric telescopic rod 5 and the lower electric telescopic rod 7 can be roughly adjusted in length using switches. At this time, the approximate height of the leveling device can be determined. By observing the position of the bubbles in each bubble level 10, the staff can extend or shorten the middle manual telescopic rod 6 until the bubbles in each bubble level 10 are located in the center position. At this time, the placement platform plate 1 is adjusted to a horizontal position, and then the surveying and mapping instrument is installed on the placement platform plate 1. The surveying and mapping instrument can also be installed in advance and then the leveling operation is performed. At this time, the surveying and mapping instrument is on a horizontal placement platform plate 1, and actual surveying and mapping work can be performed. The entire leveling device of the utility model can first determine the point and approximate height through the central support rod 2, and then perform electric coarse adjustment by adjusting the support legs 3 to form a stable support, and finally achieve accurate horizontal setting through manual fine adjustment. The entire adjustment process is simple and the operation difficulty is low. The staff can better get started during actual adjustment, which is convenient for practical and quick use.
[0034] As an embodiment of the utility model, the middle manual telescopic rod 6 includes a top inner rod 11, a bottom inner rod 12 and a middle outer tube 13, the top of the top inner rod is fixedly connected to the bottom of the upper electric telescopic rod 5, the bottom of the bottom inner rod 12 is rotatably connected to the top of the lower electric telescopic rod 7, the top and bottom of the middle outer tube 13 are respectively sleeved on the bottom of the top inner rod 11 and the top of the bottom inner rod 12, the inner side of the middle outer tube 13 is provided with an internal thread, the outer sides of the top inner rod 11 and the bottom inner rod 12 are respectively provided with external threads matching the internal threads, when the middle outer tube 13 rotates, the top inner rod 11 and the bottom inner rod 12 are simultaneously extended or retracted from the inside of the middle outer tube 13. In actual use, the middle outer tube 13 can be rotated with one hand to achieve fine height adjustment of the adjustable leg 3.
[0035] As an embodiment of the utility model, the bottom end of the central support rod 2 is provided with a stabilizing leg, and the stabilizing leg includes a loose central clamp 15 and at least three externally rotating support rods. The central clamp 15 is sleeved on the outside of the central support rod 2, and at least three mounting ears are evenly arranged on the outside of the central clamp 15. One end of the externally rotating support rod is rotatably connected to the mounting ear, and the bottom outer side of the externally rotating support rod is a rough surface. The central clamp 15 is provided with a knob for adjusting the tightness, and the central clamp 15 can be loosened according to the actual situation to adjust the height of the stabilizing leg, so as to facilitate flexible adjustment according to the actual situation.
[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A leveling device for a surveying and mapping instrument, characterized in that: It comprises a placement platform plate (1), a central support rod (2) and at least three adjustment legs (3); The top end of the central support rod (2) is connected to the middle of the bottom surface of the placement platform plate (1) via a universal joint (4), and the central support rod (2) is a telescopic rod; The adjustable leg (3) comprises an upper electric telescopic rod (5), a middle manual telescopic rod (6), a lower electric telescopic rod (7) and a moving wheel (8) which are arranged in sequence from top to bottom; The side of the placement platform plate (1) is evenly provided with three leg mounting seats (9), the top end of the upper electric telescopic rod (5) is rotatably connected to the leg mounting seat (9), the top end of the middle hand-adjustable telescopic rod (6) is fixedly connected to the bottom end of the upper electric telescopic rod (5), the bottom end of the middle hand-adjustable telescopic rod (6) is rotatably connected to the top end of the lower electric telescopic rod (7), and the bottom end of the lower electric telescopic rod (7) is fixedly connected to the moving wheel (8); At least three bubble levels (10) are arranged on the top surface of the placement platform plate (1), and the adjustment direction of the bubble levels (10) is consistent with that of the adjustment legs (3).
2. The leveling device for surveying and mapping instruments according to claim 1 is characterized in that: The upper electric telescopic rod (5) and the lower electric telescopic rod (7) are both provided with switches for electrically controlling extension or contraction.
3. The leveling device for surveying and mapping instruments according to claim 2 is characterized in that: The placement platform plate (1) is provided with an inner cavity, and a storage battery is provided in the inner cavity. The storage battery is used to supply power to the upper electric telescopic rod (5) and the lower electric telescopic rod (7).
4. The leveling device for surveying and mapping instruments according to claim 3 is characterized in that: The middle manually adjustable telescopic rod (6) comprises a top inner rod (11), a bottom inner rod (12) and a middle outer tube (13); the top end of the top inner rod is fixedly connected to the bottom end of the upper electric telescopic rod (5); the bottom end of the bottom inner rod (12) is rotatably connected to the top end of the lower electric telescopic rod (7); the top and bottom ends of the middle outer tube (13) are respectively sleeved on the bottom end of the top inner rod (11) and the top end of the bottom inner rod (12); the inner side of the middle outer tube (13) is provided with an internal thread; the outer sides of the top inner rod (11) and the bottom inner rod (12) are respectively provided with external threads matching the internal threads; when the middle outer tube (13) rotates, the top inner rod (11) and the bottom inner rod (12) are simultaneously extended or retracted from the inside of the middle outer tube (13).
5. The leveling device for surveying and mapping instruments according to claim 4 is characterized in that: The universal joint (4) is a damping universal joint (4), and the bottom end of the middle manual telescopic rod (6) is rotationally connected to the top end of the lower electric telescopic rod (7) via a damping joint (14).
6. The leveling device for surveying and mapping instruments according to claim 5 is characterized in that: The movable wheel (8) is a lockable universal wheel.
7. The leveling device for surveying and mapping instruments according to claim 6 is characterized in that: The bottom end of the central support rod (2) is provided with a stabilizing leg, and the stabilizing leg comprises a tightenable central clamp (15) and at least three externally rotating support rods, the central clamp (15) is sleeved on the outside of the central support rod (2), and at least three mounting ears are evenly arranged on the outside of the central clamp (15), and one end of the externally rotating support rod is rotatably connected to the mounting ear.
8. The leveling device for surveying and mapping instruments according to claim 7 is characterized in that: The outer side of the bottom end of the outward rotating support rod is a rough surface.
9. The leveling device for surveying and mapping instruments according to claim 8, characterized in that: A distance scale is arranged on the outer side of the central support rod (2).