Portable surveying and mapping instrument
By employing a rotatable fixed disk and threaded rod structure in portable surveying instruments, combined with meshing gear transmission and positioning mechanism, the problem of the inability to adjust the support frame is solved, enabling stable and convenient movement on uneven ground, and improving detection accuracy and portability.
Patent Information
- Application Number
- CN202423055881.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-11
AI Technical Summary
The support frame of existing portable surveying instruments cannot be adjusted, causing them to tilt when used on uneven ground, affecting the accuracy and convenience of the inspection.
A portable surveying instrument was designed, which adopts a rotatable fixed plate and threaded rod structure. The angle and height of the support frame can be adjusted through threaded connection and meshing gear transmission. Combined with the use of positioning mechanism and walking wheels, the device can be made stable and easy to move under different ground conditions.
It enables the support frame to be stable and its angle adjusted on uneven ground, improves the detection accuracy and portability of surveying instruments, and enhances the adaptability and practicality of the device.
Smart Images

Figure CN223740401U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to surveying and mapping instrument technical field especially relates to a portable surveying and mapping instrument. BACKGROUND
[0002] Surveying and mapping instrument is the professional tool for geographic information data collection and processing, covers level, theodolite, total station, GPS receiver and laser radar multiple types, has extensive application in topographic survey, engineering survey, land resources investigation and city planning and management field, in order to facilitate the portable surveying and mapping instrument, need to use a kind of portable surveying and mapping instrument.
[0003] Through the retrieval, China patent publication number is CN219712800U, discloses a portable surveying and mapping instrument support fixing disc, including support and fixed disc body, the inside of fixed disc body is transversely provided with two-way threaded rod, the lower end of fixed disc body is provided with fixed block, the bottom of fixed block is connected with the top of support, one end of two-way threaded rod is connected with bearing, the surface of two-way threaded rod is screw-connected with two corresponding clamping blocks, the inner side wall of clamping block is connected with horizontal plate, the surface of horizontal plate is connected with screw;The utility model through the cooperation between two-way threaded rod, clamping block, horizontal plate and screw, can fix surveying and mapping instrument of different shapes, and then improve the applicability and practicality of fixed disc body, but the device is fixed in actual use The support frame is designed, since the support frame cannot be adjusted, the detector will be skewed to cause inaccurate detection effect when being placed and detected on uneven ground, thereby reducing the convenience of the device. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a kind of portable surveying and mapping instrument, aims at improving the problem that the support frame of surveying and mapping instrument in prior art cannot be adjusted to adapt to uneven ground and lead to inaccurate detection of skew.
[0005] In order to achieve the above object, the utility model discloses the following technical scheme: A portable surveying and mapping instrument, including the fixed disc, the bottom all around of fixed disc is rotatably connected with hollow board, the inboard of hollow board is provided with support frame, the inboard rotatably connected with first screw rod of hollow board, the top fixed connection of first screw rod has first bevel gear, the inner wall top rotatably connected with second bevel gear of hollow board, first bevel gear with second bevel gear meshing connection, the outer wall screw connection of first screw rod has U -shaped block, the bottom middle part rotatably connected with second screw rod of fixed disc, the outside screw connection of second screw rod has lifting block, the outer wall all around rotatably connected with telescopic plate of lifting block, telescopic plate with U -shaped block rotatably connected, the top fixed connection of fixed disc has surveying and mapping instrument, the bottom of support frame is provided with positioning mechanism, positioning mechanism is used to move and position device.
[0006] Through the above technical scheme: rotate second screw rod, with the force of thread and make lifting block move, thus push telescopic plate to rotate and stretch, and then drive U -shaped block, make first screw rod and hollow board along fixed disc rotate, make support frame be able to open and support, when needing to adjust device angle, rotate second bevel gear, with meshing transmission and make first bevel gear rotate, drive corresponding side first screw rod to rotate and adjust alone, thereby ensure that device can adapt to various different ground conditions under the premise of not affecting folding function.
[0007] As a further description of the above technical scheme:
[0008] The positioning mechanism includes a plurality of U-shaped covers, the outer side of each U-shaped cover is rotatably connected with the corresponding support frame, the inner side of the U-shaped cover is rotatably connected with an L-shaped plate, the outer wall of the L-shaped plate is rotatably connected with a threaded cover, the inner side of the threaded cover is threadedly connected with a threaded column, the threaded column is slidably connected with the L-shaped plate, the outer side of the threaded column is fixedly connected with a screw, and the bottom of the L-shaped plate is fixedly connected with a walking wheel.
[0009] Through the above technical scheme: rotate the threaded cover, and make the threaded column slide on the L-shaped plate by thread connection, when the L-shaped plate is rotated to the threaded cover upward, the threaded column will drive the screw into the ground, realizing the stable fixation of the device, if you want to move the device, just rotate the L-shaped plate to make the walking wheel downward, rely on the rotation of the walking wheel, can conveniently drive the device to move, so it can flexibly control the device and quickly fix it.
[0010] As a further description of the above technical scheme:
[0011] The outer wall top of the hollow board is rotatably connected with a knob, the outer side of the knob penetrates the hollow board and is fixedly connected with the second bevel gear.
[0012] Through the technical scheme, the knob can be held and rotated conveniently.
[0013] Further to the technical scheme, the knob can be held and rotated conveniently.
[0014] The outer wall of the hollow plate is fixedly connected with a handle, and the outer side of the handle is fixedly connected with a sheath.
[0015] Through the technical scheme, the handle and the sheath thereon can be held and carried conveniently.
[0016] Further to the technical scheme, the handle and the sheath thereon can be held and carried conveniently.
[0017] The bottom of the fixing disc is fixedly connected with a guide rod, and the guide rod is slidably connected with the lifting block.
[0018] Through the technical scheme, the guide rod can improve the stability of the lifting block during movement.
[0019] Further to the technical scheme, the guide rod can improve the stability of the lifting block during movement.
[0020] The bottom of the second threaded rod is fixedly connected with a positioning disc, and the bottom of the positioning disc is fixedly connected with a handle.
[0021] Through the technical scheme, the handle at the bottom of the positioning disc can drive the second threaded rod to rotate conveniently.
[0022] Further to the technical scheme, the handle at the bottom of the positioning disc can drive the second threaded rod to rotate conveniently.
[0023] The outer wall of the support frame and the hollow plate is provided with a positioning slot, and the inner side of the positioning slot is provided with a positioning rod.
[0024] Through the technical scheme, the positioning rod and the positioning slot can fix the position of the support frame during extension and retraction.
[0025] Further to the technical scheme, the positioning rod and the positioning slot can fix the position of the support frame during extension and retraction.
[0026] The outer wall of the support frame is provided with a sliding groove, and the support frame is slidably connected with the hollow plate through the sliding groove.
[0027] Through the technical scheme, the sliding groove can improve the stability of the support frame during movement.
[0028] The utility model has the advantages of:
[0029] 1. In this utility model, by rotating the second threaded rod, the lifting block is moved through the threaded connection, the telescopic plate is rotated and the telescopic movement drives the U-shaped block to move, so that the first threaded rod and the hollow plate rotate along the fixed plate, the support frame is opened for support, and when adjusting the angle of the device, the second bevel gear is rotated, and the first bevel gear is rotated through meshing transmission, which drives the first threaded rod on the corresponding side to rotate and adjust, so that the device can adapt to different ground without affecting folding, thereby improving the convenience of the device.
[0030] 2. In this utility model, by rotating the threaded cover, the threaded column slides along the L-shaped plate using the threaded connection. When the L-shaped plate rotates to the point where the threaded cover faces upward, the threaded column pushes the screw to insert into the ground to fix the device. When it is necessary to move the device, the L-shaped plate is rotated to make the traveling wheels face downward. With the rotation of the traveling wheels, the device can be easily moved. This allows the device to be moved and is easy to fix quickly, thereby improving the practicality of the device. Attached Figure Description
[0031] Figure 1 A perspective view of a portable surveying instrument proposed in this utility model;
[0032] Figure 2 This is a front view of a portable surveying instrument proposed in this utility model;
[0033] Figure 3 This is a bottom view of a portable surveying instrument proposed in this utility model.
[0034] Figure 4 This is a partial structural exploded view of a portable surveying instrument proposed in this utility model;
[0035] Figure 5 This is a structural exploded view of the positioning mechanism of a portable surveying instrument proposed in this utility model.
[0036] Legend:
[0037] 1. Fixed plate; 2. Positioning mechanism; 201. U-shaped cover; 202. L-shaped plate; 203. Threaded column; 204. Threaded cover; 205. Traveling wheel; 206. Screw; 3. Hollow plate; 4. Support frame; 5. First threaded rod; 6. First bevel gear; 7. Second bevel gear; 8. U-shaped block; 9. Second threaded rod; 10. Lifting block; 11. Telescopic plate; 12. Positioning plate; 13. Handle; 14. Guide rod; 15. Handle; 16. Protective sleeve; 17. Knob; 18. Surveying instrument; 19. Positioning rod; 20. Positioning groove; 21. Slide groove. Detailed Implementation
[0038] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.
[0039] With reference to Figure 1 , Figure 2 and Figure 3 , the present application provides an embodiment: a portable surveying and mapping instrument, comprising a fixed disc 1, the bottom of the fixed disc 1 is rotatably connected with a hollow plate 3 around, the inner side of the hollow plate 3 is provided with a support frame 4, the inner side of the hollow plate 3 is rotatably connected with a first threaded rod 5, the top of the first threaded rod 5 is fixedly connected with a first bevel gear 6, rotating the first bevel gear 6 can drive the first threaded rod 5 to rotate along the hollow plate 3, the inner wall top of the hollow plate 3 is rotatably connected with a second bevel gear 7, the first bevel gear 6 is meshingly connected with the second bevel gear 7, through meshing connection, the second bevel gear 7 can be driven to rotate when the first bevel gear 6 rotates, the outer wall of the first threaded rod 5 is threadedly connected with a U-shaped block 8, the bottom end of the fixed disc 1 is rotatably connected with a second threaded rod 9, the outer side of the second threaded rod 9 is threadedly connected with a lifting block 10, the outer wall of the lifting block 10 is rotatably connected with an expansion plate 11 around, the expansion plate 11 is rotatably connected with the U-shaped block 8, through the movement of the lifting block 10, the expansion plate 11 can be pushed to rotate and the U-shaped block 8 is pushed to rotate through the expansion plate 11, the top of the fixed disc 1 is fixedly connected with a surveying and mapping instrument 18, the bottom of the support frame 4 is provided with a positioning mechanism 2, the positioning mechanism 2 is used for moving and positioning the device;
[0040] Specifically, rotating the second threaded rod 9, the lifting block 10 is displaced up and down by means of thread connection, and then the expansion plate 11 is pushed to rotate, the U-shaped block 8 is driven to rotate in the process of expansion and contraction of the expansion plate 11, so that the first threaded rod 5 and the hollow plate 3 rotate along the fixed disc 1, and the support frame 4 is opened to realize the supporting function, if it is necessary to adjust the angle of the device to adapt to different ground conditions, the second bevel gear 7 is rotated, the first bevel gear 6 is rotated through meshing transmission, thereby the corresponding side of the first threaded rod 5 is independently rotated and adjusted, so that the device can meet the needs of different flatness ground and will not affect the folding function.
[0041] With reference to Figure 1 , Figure 2 and Figure 3The positioning mechanism 2 comprises a plurality of U-shaped covers 201, the outer sides of the U-shaped covers 201 are respectively rotationally connected with corresponding support frames 4, the U-shaped covers 201 can adjust the positions of the support frames 4, the inner sides of the U-shaped covers 201 are rotationally connected with L-shaped plates 202, the outer walls of the L-shaped plates 202 are rotationally connected with threaded covers 204, the inner sides of the threaded covers 204 are threadedly connected with threaded columns 203, the threaded columns 203 can be driven to move when the threaded covers 204 are rotated, the threaded columns 203 are slidingly connected with the L-shaped plates 202, the outer sides of the threaded columns 203 are fixedly connected with screws 206, the threaded columns 203 can drive the screws 206 to move when the threaded columns 203 move, the bottoms of the L-shaped plates 202 are fixedly connected with traveling wheels 205, the device can be driven to move through the traveling wheels 205;
[0042] Specifically, the threaded columns 203 can slide along the L-shaped plates 202 by virtue of the threaded connection of the threaded covers 204, when the L-shaped plates 202 are rotated to the position that the threaded covers 204 are upward, the movement of the threaded columns 203 can drive the screws 206 to be nailed into the ground, so that the device is fixed, and when the device needs to be moved, the L-shaped plates 202 are rotated to the position that the traveling wheels 205 are downward, the device can be driven to move by virtue of the rotation of the traveling wheels 205.
[0043] With reference to Figure 1 , Figure 2 and Figure 3 , the outer wall top of the hollow plate 3 is rotationally connected with a knob 17, the outer side of the knob 17 penetrates through the hollow plate 3 and is fixedly connected with the second bevel gear 7, the knob 17 can be used to facilitate the rotation of the second bevel gear 7; the outer wall middle of the hollow plate 3 is fixedly connected with a handle 15, the outer side of the handle 15 is fixedly connected with a sheath 16, the handle 15 and the sheath 16 can be used to facilitate the adjustment and carrying of the device; the bottom of the fixed disc 1 is fixedly connected with a guide rod 14 around, the guide rod 14 is slidingly connected with the lifting block 10, the guide rod 14 can be used to improve the stability of the lifting block 10 when the lifting block 10 moves;
[0044] Specifically, the knob 17 can be used to facilitate the rotation of the second bevel gear 7, the handle 15 can be used to facilitate the holding and adjustment of the device, and the sheath 16 can be used to improve the comfort when the device is held, and the guide rod 14 can be used to improve the stability of the lifting block 10 when the lifting block 10 moves up and down.
[0045] With reference to Figure 1 , Figure 2 and Figure 3The bottom of the second threaded rod 9 is fixedly connected with a positioning disc 12, and the bottom of the positioning disc 12 is fixedly connected with a handle 13, so that the device angle can be conveniently manually held and adjusted; positioning grooves 20 are formed in the upper and lower sides of the outer wall of the support frame 4 and the hollow plate 3, and positioning rods 19 are arranged on the inner sides of the positioning grooves 20, so that the height position of the support frame 4 can be adjusted by fixing the positioning grooves 20 through the positioning rods 19; a sliding groove 21 is formed in the middle of the outer wall of the support frame 4, and the support frame 4 is slidably connected with the hollow plate 3 through the sliding groove 21, so that the stability of the support frame 4 during movement can be improved.
[0046] Specifically, the second threaded rod 9 can be conveniently rotated through the handle 13 at the bottom of the positioning disc 12, the hollow plate 3 and the support frame 4 can be fixed through the positioning rods 19 inserted into the corresponding positioning grooves 20, so that the height position thereof can be adjusted, and the stability of the support frame 4 during movement along the hollow plate 3 can be improved through the sliding groove 21.
[0047] Working principle: before using the device, the lifting block 10 is driven to move up and down through the threaded connection by rotating the second threaded rod 9, so as to drive the telescopic plate 11 to rotate, at this time, the U-shaped block 8 is driven to move through the rotation and telescoping of the telescopic plate 11, so as to drive the hollow plate 3 and the first threaded rod 5 thereon to rotate along the fixed disc 1, so as to open the support frame 4 for support, when the device angle needs to be adjusted to adapt to different grounds, the first threaded rod 5 on one side is driven to rotate for independent adjustment by rotating the second bevel gear 7 and driving the first bevel gear 6 to rotate through meshing transmission, so that the device can adapt to grounds with different flatness without affecting folding;
[0048] And the threaded column 203 is driven to slide along the L-shaped plate 202 through the threaded connection by rotating the threaded cover 204, at this time, if the L-shaped plate 202 is rotated to the threaded cover 204 upward, the movement of the threaded column 203 will drive the screw 206 to insert into the ground, so as to fix the device, when the device needs to be moved, the walking wheel 205 is made to face by rotating the L-shaped plate 202, at this time, the device is driven to move through the rotation of the walking wheel 205.
[0049] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A portable surveying instrument comprising a fixed disc (1), characterised in that: The bottom of the fixed disc (1) is rotatably connected with a hollow plate (3), the inner side of the hollow plate (3) is provided with a support frame (4), the inner side of the hollow plate (3) is rotatably connected with a first threaded rod (5), the top of the first threaded rod (5) is fixedly connected with a first bevel gear (6), the inner wall top of the hollow plate (3) is rotatably connected with a second bevel gear (7), the first bevel gear (6) is meshedly connected with the second bevel gear (7), the outer wall of the first threaded rod (5) is threadedly connected with a U-shaped block (8), the bottom end of the fixed disc (1) is rotatably connected with a second threaded rod (9), the outer side of the second threaded rod (9) is threadedly connected with a lifting block (10), the outer wall of the lifting block (10) is rotatably connected with an expansion plate (11) around, the expansion plate (11) is rotatably connected with the U-shaped block (8), the top of the fixed disc (1) is fixedly connected with a surveying instrument (18), the bottom of the support frame (4) is provided with a positioning mechanism (2), and the positioning mechanism (2) is used for moving and positioning the device.
2. A portable surveying instrument according to claim 1, wherein: The positioning mechanism (2) comprises a U-shaped cover (201), the outer side of each of a plurality of U-shaped covers (201) is rotatably connected with a corresponding support frame (4), the inner side of the U-shaped cover (201) is rotatably connected with an L-shaped plate (202), the outer wall of the L-shaped plate (202) is rotatably connected with a threaded cover (204) in the middle, the inner side of the threaded cover (204) is threadedly connected with a threaded column (203), the threaded column (203) is slidably connected with the L-shaped plate (202), the outer side of the threaded column (203) is fixedly connected with a screw (206), and the bottom of the L-shaped plate (202) is fixedly connected with a walking wheel (205).
3. A portable surveying instrument according to claim 1, wherein: The outer wall top of the hollow plate (3) is rotatably connected with a knob (17), the outer side of the knob (17) penetrates the hollow plate (3) and is fixedly connected with the second bevel gear (7).
4. The portable surveying instrument of claim 1, wherein: The outer wall middle of the hollow plate (3) is fixedly connected with a handle (15), and the outer side of the handle (15) is fixedly connected with a sheath (16).
5. The portable surveying instrument of claim 1, wherein: The bottom of the fixed disc (1) is rotatably connected with a guide rod (14), and the guide rod (14) is slidably connected with the lifting block (10).
6. The portable surveying instrument of claim 1, wherein: The bottom of the second threaded rod (9) is fixedly connected with a positioning disc (12), and the bottom of the positioning disc (12) is fixedly connected with a handle (13).
7. The portable surveying instrument of claim 1, wherein: The outer wall of the support frame (4) and the hollow plate (3) is provided with a positioning slot (20) on the upper side and the lower side, and the inner side of the positioning slot (20) is provided with a positioning rod (19).
8. The portable surveying instrument of claim 1, wherein: The outer wall middle of the support frame (4) is provided with a sliding groove (21), and the support frame (4) is slidably connected with the hollow plate (3) through the sliding groove (21).
Citation Information
Patent Citations
Portable surveying and mapping instrument support fixing disc
CN219712800U