Liftable surveying and mapping support

Abstract

The utility model discloses a liftable surveying and mapping support which comprises a mounting plate, the bottom end of the mounting plate is rotatably connected with four fixing cylinders, the four fixing cylinders are each provided with a lifting assembly, each lifting assembly comprises a pulling plate, a connecting rod, a first rack plate and a third rack plate, and the four fixing cylinders are each fixedly provided with a fixing shell. A lifting assembly is arranged, a pulling plate is sequentially pulled, the pulling plate drives a third rack plate to be away from a second rack plate through a connecting rod, at the moment, the second rack plate is pulled to the proper length, a land inserting block is inserted into the ground, the height of the device can be adjusted, and it can be ensured that the surveying and mapping instrument is located at the optimal measurement position all the time; meanwhile, the surveying and mapping device can easily cope with the uneven ground or the ground with the large slope, the surveying and mapping work is not limited by the ground conditions any more, the application range of the surveying and mapping work is expanded, and measurement errors caused by shaking or inclining of the support are reduced.

Description

Technical Field

[0001] The present application relates to the technical field of surveying and mapping supports, in particular to a raisable surveying and mapping support. Background Art

[0002] Surveying and mapping instruments are instruments and devices designed and manufactured for surveying and mapping operations and used for data collection, processing, and output. They mainly include theodolites, levels, plane tables, rangefinders, total stations, etc. Before using the surveying and mapping instruments, they need to be centered and leveled to improve measurement accuracy. That is, the center of the instrument is aligned with the surveying station, and then the surveying and mapping instrument is kept in a horizontal state. Usually, the staff directly set up the surveying and mapping instrument on the top of the tripod to keep it still for measurement.

[0003] The existing surveying and mapping bracket can lift the surveying and mapping instrument when in use, but the lifting structure slots are all set above the tripod. When facing uneven or steep ground, the surveying and mapping work is limited by the ground conditions, increasing the measurement error caused by the shaking or tilting of the tripod, and it is not convenient to adjust the horizontal and vertical angles, and cannot fully cover the measurement area. Therefore, a liftable surveying and mapping bracket is proposed to address the above problems. Summary of the invention

[0004] In this embodiment, a liftable surveying and mapping bracket is provided to solve the problem that, although the surveying and mapping instrument can be lifted and lowered during use, the lifting structure slots are all arranged above the tripod. When facing uneven or steep ground, the surveying and mapping work is limited by ground conditions, and the measurement error caused by the shaking or tilting of the tripod is increased. It is also inconvenient to adjust the horizontal and vertical angles, and the measurement area cannot be fully covered.

[0005] According to one aspect of the present application, a liftable surveying and mapping bracket is provided, including a mounting plate, the bottom end of the mounting plate is rotatably connected to four fixed cylinders, the four fixed cylinders are each provided with a lifting assembly, the lifting assembly includes a pull plate, a connecting rod, a first rack plate and a third rack plate, a fixed shell is fixedly installed on the four fixed cylinders, a connecting rod is slidably connected inside the fixed shell, the third rack plates are respectively fixedly installed at both ends of the connecting rod, a spring is sleeved on the outer surface of the connecting rod, the two ends of the spring are respectively fixedly connected to the fixed shell and the third rack plate, a second rack plate is provided inside the fixed cylinder, and the second rack plate can be meshed and connected with the third rack plate.

[0006] Furthermore, the inner walls of the four fixed cylinders are each provided with two slide grooves, a slide rod is fixedly installed inside the two slide grooves, a slider is slidably connected to the slide rod, and the two sliders are fixedly installed to the same second rack plate.

[0007] Furthermore, a connecting plate is fixedly mounted on each of the four second rack plates, and a ground insertion block is fixedly mounted on the bottom end of each of the four connecting plates.

[0008] Furthermore, a mounting groove is provided inside the mounting plate, a rotating shaft is rotatably connected inside the mounting groove via a bearing, and a rotating seat is fixedly installed at the top end of the rotating shaft.

[0009] Furthermore, the internal thread of the mounting plate is connected with a screw rod, one end of the screw rod is fixedly mounted with a second hand wheel, and one end of the second hand wheel is rotatably connected with a rack seat via a bearing.

[0010] Furthermore, the rotating shaft is sleeved with a first gear inside the mounting groove, and the first gear can be meshed and connected with the rack plate.

[0011] Furthermore, two limiting grooves are formed on the side wall of the installation groove, and two limiting blocks are fixedly mounted on the rack seat, and both of the two limiting blocks are slidably connected to the limiting grooves.

[0012] Furthermore, a screw rod is rotatably connected to the interior of the rotating seat via a bearing, a movable block is threadedly connected to the screw rod, and a first rack plate is fixedly mounted on the top of the movable block.

[0013] Furthermore, two support plates are fixedly mounted on the rotating seat, a rotating shaft is rotatably connected to the two support plates via bearings, a second gear is fixedly mounted on the rotating shaft, a rotating plate is fixedly mounted on the second gear, and a placement seat is fixedly mounted on the rotating plate.

[0014] Furthermore, two limit rods are fixedly installed inside the rotating seat, and the two limit rods are both slidably connected to the movable block.

[0015] In the above-mentioned embodiment of the present application, by setting a lifting assembly, the pull plate is pulled in sequence, and the pull plate drives the third rack plate away from the second rack plate through the connecting rod. At this time, the second rack plate is pulled to a suitable length, and the ground insertion block is inserted into the ground, so that the height of the device can be adjusted, which can ensure that the surveying and mapping instrument is always in the best measurement position, thereby improving the accuracy of the measurement result, and can easily cope with uneven or steep ground, so that the surveying and mapping work is no longer limited by the ground conditions, thereby expanding the application scope of the surveying and mapping work and reducing the measurement error caused by the shaking or tilting of the bracket;

[0016] By turning the second hand wheel, surveying and mapping personnel are allowed to adjust the surveying and mapping instrument to any horizontal angle for measurement according to actual needs, so that the surveying and mapping work is no longer limited to a single direction and can cover the measurement area more comprehensively, so that surveying and mapping personnel can easily switch the measurement direction and realize multi-task parallel processing, further improving work efficiency; turning the first hand wheel can ensure that the angular relationship between the measuring line of sight and the target object is accurate, which can reduce measurement errors, improve the accuracy and reliability of measurement results, and meet these diverse measurement needs, making surveying and mapping work more comprehensive and precise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a schematic diagram of the overall three-dimensional structure of an embodiment of the present application;

[0019] Figure 2 This is a schematic diagram of the overall internal structure of an embodiment of the present application;

[0020] Figure 3 This is a schematic diagram of the internal structure of an overall part of an embodiment of the present application from a side view;

[0021] Figure 4 This is a schematic diagram of the internal structure of an integral fixing cylinder in a side view according to an embodiment of the present application;

[0022] Figure 5 This is a schematic diagram of the internal structure of a rotating base viewed from above according to an embodiment of the present application.

[0023] In the figure: 1. mounting plate; 2. first hand wheel; 3. rotating seat; 4. first gear; 5. first rack plate; 6. movable block; 7. rotating rod; 8. rotating plate; 9. second gear; 10. rotating shaft; 11. mounting groove; 12. screw rod; 13. rack seat; 14. screw rod; 15. second hand wheel; 16. slide groove; 17. second rack plate; 18. spring; 19. pull plate; 20. connecting plate; 21. plug-in block; 22. fixed shell; 23. connecting rod; 24. third rack plate; 25. fixing cylinder; 26. guide rod; 27. slider; 28. limit groove; 29. ​​limit block; 30. placement seat; 31. support seat; 32. limit rod. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution 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 creative work should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0028] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] See also Figure 1-5As shown, the liftable surveying and mapping bracket includes a mounting plate 1, characterized in that: four fixed cylinders 25 are rotatably connected to the bottom end of the mounting plate 1, and a lifting assembly is arranged on each of the four fixed cylinders 25, and the lifting assembly includes a pull plate 19, a connecting rod 23, a second rack plate 17 and a third rack plate 24, and a fixed shell 22 is fixedly installed on each of the four fixed cylinders 25, and a connecting rod 23 is slidably connected inside the fixed shell 22, and third rack plates 24 are fixedly installed at both ends of the connecting rod 23, respectively, and a spring 18 is sleeved on the outer surface of the connecting rod 23, and the two ends of the spring 18 are fixedly connected to the fixed shell 22 and the third rack plate 24, respectively, and a second rack plate 17 is arranged inside the fixed cylinder 25, and the second rack plate 17 can be meshed and connected with the third rack plate 24, so that it can easily cope with uneven or steep ground, so that surveying and mapping work is no longer limited to ground conditions, thereby expanding the application scope of surveying and mapping work and reducing measurement errors caused by shaking or tilting of the bracket.

[0030] Two slide grooves 16 are provided on the inner walls of the four fixed cylinders 25 . Slide rods 26 are fixedly installed inside the two slide grooves 16 . Slide blocks 27 are slidably connected to the slide rods 26 . The two slide blocks 27 are fixedly installed to the same second rack plate 17 .

[0031] A connecting plate 20 is fixedly mounted on each of the four second rack plates 17 , and a ground inserting block 21 is fixedly mounted on the bottom end of each of the four connecting plates 20 .

[0032] A mounting groove 11 is provided inside the mounting plate 1 , and a rotating shaft 10 is rotatably connected inside the mounting groove 11 via a bearing, and a rotating seat 3 is fixedly mounted on the top end of the rotating shaft 10 .

[0033] The internal thread of the mounting plate 1 is connected to a screw rod 14, one end of the screw rod 14 is fixedly mounted with a second hand wheel 2, one end of the second hand wheel 2 is rotatably connected to a rack seat 13 via a bearing, and the surveying and mapping instrument can be adjusted to any horizontal angle for measurement, so that the surveying and mapping work is no longer limited to a single direction and can cover the measurement area more comprehensively.

[0034] The rotating shaft 10 is located inside the mounting groove 11 and is sleeved with a first gear 4 . The first gear 4 can be meshed and connected with a rack seat 13 .

[0035] Two limiting grooves 28 are formed on the side wall of the installation groove 11 , and two limiting blocks 29 are fixedly mounted on the rack seat 13 . Both limiting blocks 29 are slidably connected to the limiting grooves 28 .

[0036] The interior of the rotating seat 3 is rotatably connected with a screw rod 12 via a bearing, and a movable block 6 is threadedly connected to the screw rod 12 . A first rack plate 5 is fixedly mounted on the top of the movable block 6 .

[0037] Two support plates 31 are fixedly installed on the rotating seat 3, and the two support plates 31 are rotatably connected with a rotating shaft 7 through bearings. A second gear 9 is fixedly installed on the rotating shaft 7, and a rotating plate 8 is fixedly installed on the second gear 9. A placement seat 30 is fixedly installed on the rotating plate 8, so that the surveying and mapping instrument on the placement seat 30 can adjust the vertical angle, which can ensure that the angular relationship between the measuring line of sight and the target object is accurate, reduce measurement errors, improve the accuracy and reliability of measurement results, meet these diverse measurement needs, and make surveying and mapping work more comprehensive and accurate. A fixing structure for the surveying and mapping instrument is provided on the placement seat. This fixing structure is a prior art and will not be repeated in this application.

[0038] Two limit rods 32 are fixedly installed inside the rotating seat 3. The two limit rods 32 are slidably connected to the movable block 6 to prevent the screw rod 12 from rotating and driving the movable block 6 to rotate.

[0039] When the present application is in use, the surveying and mapping instrument is fixedly mounted on the placement seat 30, and the pull plate 19 is pulled in sequence. The pull plate 19 drives the third rack plate 24 away from the second rack plate 17 through the connecting rod 23. At this time, the second rack plate 17 is pulled to a suitable length, and the ground insertion block 21 is inserted into the ground, so that the height of the device can be adjusted, which can ensure that the surveying and mapping instrument is always in the best measurement position, thereby improving the accuracy of the measurement result, and can easily cope with uneven or steep ground, so that the surveying and mapping work is no longer limited by the ground conditions, thereby expanding the application scope of the surveying and mapping work and reducing the measurement error caused by the shaking or tilting of the bracket;

[0040] The second hand wheel 15 is rotated, and the second hand wheel 15 rotates and drives the screw rod 14 to rotate and move at the same time. Under the cooperation of the limit groove 28 and the limit block 29, the screw rod 14 drives the rack seat 13 away from the first gear 4. At this time, the rotating plate 3 can be rotated at will, allowing the surveying and mapping personnel to adjust the surveying and mapping instrument to any horizontal angle for measurement according to actual needs, so that the surveying and mapping work is no longer limited to a single direction and can cover the measurement area more comprehensively. After selecting the angle, the second hand wheel 2 is rotated in the opposite direction to firmly fix the horizontal angle of the surveying and mapping instrument, and prevent the angle from shifting due to external force during the measurement process, thereby ensuring the accuracy of the measurement result. When it is necessary to measure multiple directions or angles at the same time, the surveying and mapping personnel can easily switch the measurement direction, realize multi-task parallel processing, and further improve work efficiency.

[0041] By rotating the first hand wheel 2, the rotation of the first hand wheel 2 drives the screw rod 12 to rotate. With the cooperation of the two limit rods 32, the movable block 6 drives the first rack plate 6 to move, and the first rack plate 6 drives the second gear 9 to rotate, so that the surveying and mapping instrument on the placement seat 30 can adjust the vertical angle, which can ensure that the angular relationship between the measuring line of sight and the target object is accurate, can reduce measurement errors, improve the accuracy and reliability of measurement results, can meet these diverse measurement needs, and make surveying and mapping work more comprehensive and accurate.

[0042] The benefits of this application are:

[0043] 1. By setting a lifting assembly, the pull plate 19 is pulled in turn, and the pull plate 19 drives the third rack plate 24 away from the second rack plate 17 through the connecting rod 23. At this time, the second rack plate 17 is pulled to a suitable length, and the plug block 21 is inserted into the ground, so that the height of the device can be adjusted, which can ensure that the surveying and mapping instrument is always in the best measurement position, thereby improving the accuracy of the measurement results. At the same time, it can easily cope with uneven or steep ground, so that the surveying and mapping work is no longer limited by ground conditions, thereby expanding the application scope of the surveying and mapping work and reducing the measurement errors caused by the shaking or tilting of the bracket.

[0044] 2. By turning the second hand wheel 15, the surveying and mapping personnel are allowed to adjust the surveying and mapping instrument to any horizontal angle for measurement according to actual needs, so that the surveying and mapping work is no longer limited to a single direction and can cover the measurement area more comprehensively, so that the surveying and mapping personnel can easily switch the measurement direction and realize multi-task parallel processing, thereby further improving work efficiency; turning the first hand wheel 2 can ensure that the angular relationship between the measurement line of sight and the target object is accurate, which can reduce measurement errors, improve the accuracy and reliability of the measurement results, meet these diverse measurement needs, and make the surveying and mapping work more comprehensive and accurate.

[0045] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0046] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A raisable surveying and mapping support, comprising a mounting plate (1), characterized in that: The bottom end of the mounting plate (1) is rotatably connected with four fixed cylinders (25), and the four fixed cylinders (25) are each provided with a lifting assembly, and the lifting assembly comprises a pulling plate (19), a connecting rod (23), a second rack plate (17) and a third rack plate (24). A fixed shell (22) is fixedly installed on the four fixed cylinders (25), and the interior of the fixed shell (22) is slidably connected with a connecting rod (23), and the two ends of the connecting rod (23) are respectively fixedly installed with the third rack plate (24), and the outer surface of the connecting rod (23) is sleeved with a spring (18), and the two ends of the spring (18) are respectively fixedly connected to the fixed shell (22) and the third rack plate (24), and the interior of the fixed cylinder (25) is provided with a second rack plate (17), and the second rack plate (17) can be meshed and connected with the third rack plate (24).

2. The liftable surveying and mapping support according to claim 1, characterized in that: The inner walls of the four fixed cylinders (25) are each provided with two slide grooves (16), a slide rod (26) is fixedly installed inside the two slide grooves (16), a slider (27) is slidably connected to the slide rod (26), and the two sliders (27) are fixedly installed on the same second rack plate (17).

3. The liftable surveying and mapping support according to claim 2, characterized in that: A connecting plate (20) is fixedly mounted on each of the four second rack plates (17), and a ground insertion block (21) is fixedly mounted on the bottom ends of the four connecting plates (20).

4. The liftable surveying and mapping support according to claim 1, characterized in that: The mounting plate (1) is provided with a mounting groove (11) inside, the inside of the mounting groove (11) is rotatably connected with a rotating shaft (10) via a bearing, and a rotating seat (3) is fixedly mounted on the top end of the rotating shaft (10).

5. The liftable surveying and mapping support according to claim 1 is characterized in that: The internal thread of the mounting plate (1) is connected to a screw rod (14), one end of the screw rod (14) is fixedly mounted with a second hand wheel (2), and one end of the second hand wheel (2) is rotatably connected to a rack seat (13) via a bearing.

6. The liftable surveying and mapping support according to claim 4, characterized in that: The rotating shaft (10) is located inside the mounting groove (11) and is sleeved with a first gear (4), and the first gear (4) can be meshed and connected with the rack seat (13).

7. The liftable surveying and mapping support according to claim 6, characterized in that: The side wall of the installation groove (11) is provided with two limit grooves (28), and the rack seat (13) is fixedly provided with two limit blocks (29), and the two limit blocks (29) are both slidably connected to the limit grooves (28).

8. The liftable surveying and mapping support according to claim 4, characterized in that: The interior of the rotating seat (3) is rotatably connected to a screw rod (12) via a bearing, a movable block (6) is threadedly connected to the screw rod (12), and a first rack plate (5) is fixedly mounted on the top of the movable block (6).

9. The liftable surveying and mapping support according to claim 8, characterized in that: Two support plates (31) are fixedly mounted on the rotating seat (3), a rotating shaft (7) is rotatably connected to the two support plates (31) via bearings, a second gear (9) is fixedly mounted on the rotating shaft (7), a rotating plate (8) is fixedly mounted on the second gear (9), and a placement seat (30) is fixedly mounted on the rotating plate (8).

10. The liftable surveying and mapping support according to claim 9, characterized in that: Two limiting rods (32) are fixedly installed inside the rotating seat (3), and the two limiting rods (32) are both slidably connected to the movable block (6).

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