Support for engineering surveying

Abstract

The utility model provides a support for engineering surveying, which comprises a support table, a support leg connected with the support table, and an adjusting rod positioned on the support table and connected with the support table through a universal ball head, a holder is arranged at the top of the adjusting rod, and the section of the adjusting rod in the vertical axial direction is square. One rod wall of the adjusting rod is provided with a first pointer, one end of the first pointer is movably connected with the adjusting rod through a first rotating shaft, the other end of the first pointer droops longitudinally, the adjacent rod wall of the adjusting rod is provided with a second pointer, the second pointer is movably connected with the adjusting rod through a second rotating shaft, and the other end of the second pointer droops longitudinally. A first displacement scale is engraved on the end portion, close to the first pointer, of the rod wall, and a second displacement scale is engraved on the end portion, close to the second pointer, of the rod wall.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering measurement, in particular to a bracket for engineering measurement. Background Art

[0002] The bracket used for engineering measurement usually consists of the following structures: 1. Base: Provides stable support to ensure that the bracket does not shake during work. 2. Support rod: Connects the base and the measuring platform, and can adjust the height to adapt to different measurement needs. 3. Measuring platform: Used to place measuring instruments and keep them level and stable. 4. Level adjustment device: Helps adjust the level of the measuring platform. 5. Connecting parts: Connect the various parts firmly to ensure the stability of the structure. 6. Accessories: Such as foot screws, locking devices, etc., used for fine-tuning and fixing. Its structural design is intended to meet the following requirements: 1. Stability: Ensure the safety and accuracy of measuring instruments. 2. Adjustability: Adapt to different work scenarios and measurement requirements. 3. Durability: Can be used for a long time in various environments.

[0003] Existing engineering surveying brackets are usually too complicated to adjust the horizontal angle, have complex structures and low adjustment efficiency. Utility Model Content

[0004] In order to overcome the above technical problems, the utility model provides a bracket for engineering measurement, which is used to improve the problem of time-consuming horizontal adjustment of the pan / tilt platform.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a bracket for engineering measurement, including a support platform, a support foot connected to the support platform, an adjustment rod located on the support platform and connected to the support platform through a universal ball head, a pan head is provided on the top of the adjustment rod, the vertical axial cross-section of the adjustment rod is square, a rod wall of the adjustment rod is provided with a first pointer at one end movably connected to the adjustment rod through a first rotating shaft and the other end droops longitudinally, a second pointer is provided on an adjacent rod wall of the adjustment rod, which is movably connected to the adjustment rod through a second rotating shaft and the other end droops longitudinally, a first displacement scale is engraved at the end of the rod wall near the first pointer, and a second displacement scale is engraved at the end of the rod wall near the second pointer.

[0006] The universal ball head movably connects the adjustment rod and the support platform. The first pointer and the second pointer on the adjustment rod are respectively located on two adjacent side walls of the adjustment rod. Since the first pointer is connected to the adjustment rod through the first rotating shaft, and the second pointer is connected to the adjustment rod through the second rotating shaft, when the gimbal is not in a horizontal state, at least one of the first and second pointers will have a position offset, that is, it cannot be aligned with the vertical position of the first displacement scale or the second displacement scale below. Manually adjust the inclination angle of the adjustment rod, and observe whether the first and second pointers point to the vertical position of the scale while adjusting. When the first and second pointers point to the longitudinal vertical position scale at the same time, the gimbal is just in a horizontal position, thereby completing the precise horizontal position adjustment of the gimbal.

[0007] Preferably, a first counterweight block is provided at the bottom end of the first pointer close to the first displacement scale.

[0008] By arranging the first counterweight at the bottom end of the first pointer, the longitudinal force on the first pointer can be greater, and interference factors such as shaking or vibration can be reduced, so that the adjustment result is more accurate.

[0009] Preferably, a second counterweight block is provided at the bottom end of the second pointer close to the second displacement scale.

[0010] The second counterweight block arranged on the second pointer has the same function as the first counterweight block, which is also to make the second pointer receive a greater longitudinal force, thereby reducing interference factors such as jitter or vibration, and making the adjustment result more accurate.

[0011] Preferably, a conical cavity is formed at the bottom of the support platform, the top of the conical cavity is exposed through the bottom of the universal ball head, the exposed part of the universal ball head is fixedly connected to a vertical rod, and a third counterweight is fixed to the bottom of the vertical rod.

[0012] A conical cavity is formed at the bottom of the support platform to expose the bottom of the universal ball head, that is, a part of the universal ball head is movably connected to the support platform, connected to the adjustment rod at the top, and connected to the vertical rod at the bottom in the longitudinal direction, and the axial directions of the support rod and the vertical rod are in the same straight line. A third counterweight is fixed at the bottom of the vertical rod, and under the action of the third counterweight, the vertical rod is driven to move in the longitudinal vertical direction, thereby driving the adjustment rod to automatically return to the longitudinal vertical position, without manual adjustment, which can reduce the error caused by manual adjustment.

[0013] Preferably, the vertical rod is detachably connected to the universal ball head.

[0014] The vertical rod and the universal ball head can be connected by thread or clamping, which is convenient for the replacement of the vertical rod. Since the length of the support legs of the engineering measurement bracket may not be the same during field testing, the vertical rod needs to be selected in different lengths to adapt to different test environments.

[0015] Preferably, the third counterweight is detachably connected to the vertical rod.

[0016] The third counterweight block is detachably connected to the vertical rod, and can also be used with vertical rods of different lengths to complete the test process in different environments. When the vertical rod is shorter, a heavier counterweight block can be selected so that it has enough gravity to drive the adjustment rod back to its original position.

[0017] Preferably, a positioning hole with an internal thread aligned with the universal ball head is formed on one side of the support platform, and a positioning pin for abutting and fixing the universal ball head is provided in the positioning hole.

[0018] The purpose of setting the positioning pin is to fix the universal ball head after the adjustment rod is vertically in place, to ensure that the pan / tilt does not shift its position during the measurement process, thereby ensuring the measurement accuracy.

[0019] Preferably, a transparent cover plate covering the first pointer and the second pointer is provided on the adjusting rod.

[0020] By providing a transparent cover on the adjusting rod, the first pointer and the second pointer can be better protected from being damaged due to being exposed.

[0021] The engineering surveying bracket provided by the utility model can realize free adjustment of the adjusting rod by setting a universal ball head, and the longitudinal vertical position of the adjusting rod can be accurately marked by the mutual cooperation of the pointing of the first pointer and the second pointer, thereby reducing the adjustment steps of the engineering surveying bracket and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the three-dimensional structure of a bracket provided in an embodiment of the utility model;

[0023] Figure 2 A partial enlarged schematic diagram of point A provided in an embodiment of the utility model;

[0024] Figure 3 This is a schematic structural diagram of the vertical rod and the third counterweight block provided in an embodiment of the utility model.

[0025] Description of Reference Numerals

[0026] 1. Support platform; 2. Support feet; 3. Universal ball head; 4. Adjustment rod; 5. Pan head; 6. First rotation axis; 7. First pointer; 8. Second rotation axis; 9. Second pointer; 10. First displacement scale; 11. Second displacement scale; 12. Conical cavity; 13. Vertical rod; 14. Third counterweight block; 15. Positioning hole; 16. Positioning pin; 17. Transparent cover. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described below with reference to the accompanying drawings. Elements and features described in one drawing or one embodiment of the present invention may be combined with elements and features shown in one or more other drawings or embodiments. It should be noted that for the purpose of clarity, the representation and description of components or processes that are not related to the present invention and are known to those of ordinary skill in the art are omitted in the drawings and descriptions.

[0028] The utility model is further described below in conjunction with the accompanying drawings.

[0029] like Figures 1 to 3 As shown, the engineering measurement bracket provided by the utility model includes a support platform 1, a support foot 2 connected to the transparent cover plate 17 support platform 1, an adjustment rod 4 located on the transparent cover plate 17 support platform 1 and connected to the transparent cover plate 17 support platform 1 through a universal ball head 3, a pan head 5 is provided on the top of the transparent cover plate 17 adjustment rod 4, the vertical axial cross-section of the transparent cover plate 17 adjustment rod 4 is square, a rod wall of the transparent cover plate 17 adjustment rod 4 is provided with a first pointer 7, one end of which is movably connected to the transparent cover plate 17 adjustment rod 4 through a first rotating shaft 6 and the other end of which is longitudinally drooping, a second pointer 9 is provided on the adjacent rod wall of the transparent cover plate 17 adjustment rod 4 through a second rotating shaft 8 and the other end of which is longitudinally drooping, a first displacement scale 10 is engraved on the end of the transparent cover plate 17 rod wall near the first pointer 7 of the transparent cover plate 17, and a second displacement scale 11 is engraved on the end of the transparent cover plate 17 rod wall near the second pointer 9 of the transparent cover plate 17.

[0030] The universal ball head 3 movably connects the adjustment rod 4 and the support platform 1. The first pointer 7 and the second pointer 9 on the adjustment rod 4 are respectively located on two adjacent side walls of the adjustment rod 4. Since the first pointer 7 is connected to the adjustment rod 4 through the first rotating shaft 6, and the second pointer 9 is connected to the adjustment rod 4 through the second rotating shaft 8, when the pan / tilt 5 is not in a horizontal state, at least one of the first pointer 7 and the second pointer 9 will have a position offset, that is, it cannot be aligned with the vertical position of the first displacement scale 10 or the second displacement scale 11 below. Manually adjust the inclination angle of the adjustment rod 4, and observe whether the first pointer 7 and the second pointer 9 point to the vertical position of the scale while adjusting. When the first pointer 7 and the second pointer 9 simultaneously point to the scale of the longitudinal vertical position, the pan / tilt 5 is just in a horizontal position, thereby completing the precise horizontal position adjustment of the pan / tilt 5.

[0031] Preferably, a first counterweight block is provided at the bottom end of the first pointer 7 of the transparent cover plate 17 close to the first displacement scale 10 of the transparent cover plate 17 .

[0032] By disposing the first counterweight at the bottom end of the first pointer 7, the longitudinal force on the first pointer 7 can be greater, and interference factors such as shaking or vibration can be reduced, so that the adjustment result is more accurate.

[0033] Preferably, a second counterweight block is provided at the bottom end of the second pointer 9 of the transparent cover plate 17 close to the second displacement scale 11 of the transparent cover plate 17 .

[0034] The second counterweight block arranged on the second pointer 9 has the same function as the first counterweight block, which is also to make the second pointer 9 receive a greater longitudinal force, thereby reducing interference factors such as jitter or vibration, etc., and making the adjustment result more accurate.

[0035] Preferably, a conical cavity 12 is formed at the bottom of the transparent cover plate 17 support platform 1, the top of the conical cavity 12 of the transparent cover plate 17 is transparent to the bottom of the transparent cover plate 17 granite ball head 3, the transparent part of the transparent cover plate 17 granite ball head 3 is fixedly connected to the vertical rod 13, and the bottom of the vertical rod 13 of the transparent cover plate 17 is fixed to the third counterweight 14.

[0036] A conical cavity 12 is formed at the bottom of the support platform 1, exposing the bottom of the universal ball head 3, that is, a part of the universal ball head 3 is movably connected to the support platform 1, connected to the adjustment rod 4 at the top, and connected to the vertical rod 13 at the bottom in the longitudinal direction, and the axial directions of the support rod and the vertical rod 13 are in the same straight line. A third counterweight block 14 is fixed at the bottom of the vertical rod 13, and under the action of the third counterweight block 14, the vertical rod 13 is driven to move in the longitudinal vertical direction, thereby driving the adjustment rod 4 to automatically return to the longitudinal vertical position, without manual adjustment, which can reduce the error caused by manual adjustment.

[0037] Preferably, the vertical rod 13 of the transparent cover plate 17 is detachably connected to the universal ball head 3 of the transparent cover plate 17 .

[0038] The vertical rod 13 and the universal ball head 3 can be connected by threads or clamping, which is convenient for replacing the vertical rod 13. Since the lengths of the supporting legs 2 are not necessarily the same during field testing of the engineering measurement bracket, the vertical rod 13 needs to be selected in different lengths to adapt to different test environments.

[0039] Preferably, the third counterweight 14 of the transparent cover plate 17 is detachably connected to the vertical rod 13 of the transparent cover plate 17 .

[0040] The third counterweight block 14 is detachably connected to the vertical rod 13, and can also be used with vertical rods 13 of different lengths to complete the test process in different environments. When the vertical rod 13 is shorter, a heavier counterweight block can be selected so that it has enough gravity to drive the adjustment rod 4 back to its original position.

[0041] Preferably, a positioning hole 15 with an internal thread aligned with the gimbal head 3 of the transparent cover plate 17 is formed on one side of the support platform 1 of the transparent cover plate 17 , and a positioning pin 16 is provided in the positioning hole 15 of the transparent cover plate 17 for abutting and fixing the gimbal head 3 of the transparent cover plate 17 .

[0042] The purpose of setting the positioning pin 16 is to fix the universal ball head 3 after the adjustment rod 4 is vertically in place, to ensure that the pan / tilt head 5 will not shift position during the measurement process, and to ensure the measurement accuracy.

[0043] Preferably, a transparent cover plate 17 is provided on the transparent cover plate 17 adjusting rod 4 to cover the first pointer 7 and the second pointer 9 of the transparent cover plate 17 .

[0044] By providing a transparent cover plate 17 on the adjusting rod 4, the first pointer 7 and the second pointer 9 can be better protected from being damaged due to being exposed.

[0045] The engineering surveying bracket provided by the utility model can realize free adjustment of the adjusting rod by setting a universal ball head, and the longitudinal vertical position of the adjusting rod can be accurately marked by the mutual cooperation of the pointing of the first pointer and the second pointer, thereby reducing the adjustment steps of the engineering surveying bracket and improving work efficiency.

[0046] Although the utility model and its advantages have been described in detail, it should be understood that various changes, substitutions and conversions can be made without exceeding the spirit and scope of the utility model defined by the attached claims. Moreover, the scope of the present application is not limited to the specific embodiments of the process, equipment, means, method and steps described in the specification. It will be easily understood by those of ordinary skill in the art from the disclosure of the utility model that according to the utility model, existing and future processes, equipment, means, methods or steps that perform substantially the same functions as the corresponding embodiments described herein or obtain substantially the same results as the corresponding embodiments described herein can be used. Therefore, the attached claims are intended to include such processes, equipment, means, methods or steps within their scope.

Claims

1. A bracket for engineering measurement, characterized in that: The invention comprises a support platform (1), a support foot (2) connected to the support platform (1), an adjustment rod (4) located on the support platform (1) and connected to the support platform (1) via a universal ball head (3), a pan head (5) being provided on the top of the adjustment rod (4), the cross section of the adjustment rod (4) being square in vertical direction, a first pointer (7) being provided on one rod wall of the adjustment rod (4), one end of the first pointer (7) being movably connected to the adjustment rod (4) via a first rotating shaft (6) and the other end of the first pointer (7) being longitudinally drooping, a second pointer (9) being provided on an adjacent rod wall of the adjustment rod (4), the other end of the second pointer (9) being movably connected to the adjustment rod (4) via a second rotating shaft (8) and the other end of the second pointer (9) being longitudinally drooping, a first displacement scale (10) being engraved on the end of the rod wall close to the first pointer (7), and a second displacement scale (11) being engraved on the end of the rod wall close to the second pointer (9).

2. The engineering surveying bracket according to claim 1, characterized in that: A first counterweight block is provided at the bottom end of the first pointer (7) close to the first displacement scale (10).

3. The engineering surveying bracket according to claim 2, characterized in that: A second counterweight block is provided at the bottom end of the second pointer (9) close to the second displacement scale (11).

4. The engineering surveying bracket according to claim 3, characterized in that: A conical cavity (12) is formed at the bottom of the support platform (1), the top of the conical cavity (12) is exposed through the bottom of the universal ball head (3), a vertical rod (13) is fixedly connected to the exposed part of the universal ball head (3), and a third counterweight (14) is fixed to the bottom of the vertical rod (13).

5. The engineering surveying bracket according to claim 4, characterized in that: The vertical rod (13) is detachably connected to the universal ball head (3).

6. The engineering surveying bracket according to claim 5, characterized in that: The third counterweight block (14) is detachably connected to the vertical rod (13).

7. The engineering surveying bracket according to claim 6, characterized in that: A positioning hole (15) with an internal thread aligned with the universal ball head (3) is formed on one side of the support platform (1), and a positioning pin (16) is provided in the positioning hole (15) for abutting and fixing the universal ball head (3).

8. The engineering surveying bracket according to claim 7, characterized in that: The adjusting rod (4) is provided with a transparent cover plate (17) covering the first pointer (7) and the second pointer (9).

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