Novel portable surveying instrument

Abstract

The utility model relates to the technical field of use of surveying instruments, and particularly discloses a novel portable surveying instrument which comprises a mounting seat, three first hinge seats are arranged on the bottom surface of the mounting seat at equal intervals in the circumferential direction, swing seats are hinged to the three first hinge seats respectively, and supporting rods are fixedly arranged at the two ends of the bottom surface of each swing seat respectively. The bottom faces of the two supporting rods on the same swing seat are jointly provided with fixing seats, the inner side face of each fixing seat is provided with a second hinge seat, swing rods are hinged to the three second hinge seats respectively, a connecting rod is fixedly arranged in the center of the bottom face of the mounting seat, and a moving seat capable of sliding up and down is arranged on the connecting rod. The other ends of the three swing rods are hinged to the corresponding positions of the outer side face of the movable base, and a surveying instrument body is arranged on the top face of the mounting base. The three supporting rods can be conveniently and rapidly unfolded or folded, the stability after height adjustment can be guaranteed, and therefore the use efficiency of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying and mapping instrument use, in particular to a novel portable surveying and mapping instrument. Background Art

[0002] Surveying instruments are instruments and devices designed and manufactured for surveying and mapping operations. Simply put, they are instruments and devices designed and manufactured for data collection, processing, and output. In the planning, design, construction, and management stages of engineering construction, various instruments for orientation, distance, angle, height, mapping, and photogrammetry are required for surveying work.

[0003] Traditional surveying instruments are usually installed on a tripod during use. The tripod cannot be easily and quickly unfolded or folded during use, which affects the convenience of the device; and the height of the tripod cannot be adjusted and positioned for stability as needed, which reduces the practicality of the device. Utility Model Content

[0004] The technical problem to be solved by the utility model is that it is inconvenient to carry and transfer the surveying and mapping instrument during use, and after the height of the tripod is adjusted and positioned, its stability is poor, which affects the use efficiency of the device.

[0005] In order to solve the above problems, the technical solution of the utility model is as follows: a novel portable surveying instrument comprises a mounting seat, three hinged seats are arranged on the bottom surface of the mounting seat at equal distances in the circumferential direction, and swing seats are hingedly connected to the three hinged seats, and support rods are fixedly arranged at both ends of the bottom surface of each swing seat, and a fixed seat is commonly arranged on the bottom surfaces of two support rods on the same swing seat, and an adjustment rod that can slide up and down is passed through each of the fixed seats between the two support rods, and a positioning seat that slides with the two support rods is fixed on the top surface of each of the adjustment rods, and a fixing device for positioning it is arranged in the positioning seat;

[0006] An articulated seat is provided on the inner side surface of each of the fixed seats, and rocker arms are hinged on the three articulated seats respectively. A connecting rod is fixedly provided at the central position of the bottom surface of the mounting seat, and a movable seat which can slide up and down is provided on the connecting rod. The other ends of the three rocker arms are hinged on the corresponding positions of the outer sides of the movable seats respectively, and a surveying instrument body is provided on the top surface of the mounting seat.

[0007] Furthermore, the fixing device includes a wedge block, a movable rod and an abutment seat, an upward groove is opened on the bottom surface of each positioning seat at the inner side of the support rod, and a cavity is opened in the positioning seat and a wedge block that can slide up and down is arranged in this cavity, and an installation cavity is opened in the positioning seat corresponding to the two ends of the wedge block and a movable rod that can slide left and right is passed through this installation cavity, and the ends of the two movable rods extending out of the groove are respectively connected to the abutment seat.

[0008] Furthermore, an adjusting screw is threadedly inserted into the top surface of the positioning seat corresponding to the central position of the wedge block, and the end of the adjusting screw extending into the cavity is rotatably connected to the top surface of the wedge block. A pressure plate is fixedly provided on the moving rod near the top wall of the installation cavity, and a return spring is wound between the pressure plate and the bottom wall of the installation cavity.

[0009] Furthermore, a cylinder body capable of passing through the connecting rod is fixedly provided on the top surface of the movable seat, an adjusting cylinder is fixedly provided on the outer side surface of the cylinder body, a positioning rod movable leftward and rightward is passed through the adjusting cylinder and extends into the cylinder body to abut against the outer wall of the connecting rod.

[0010] Furthermore, a threaded sleeve is fixedly provided on the outer end face of the adjusting cylinder, a threaded rod matching it is threadedly passed through the threaded sleeve and extends into the adjusting cylinder to abut against the end of the positioning rod, a pressure plate 2 is fixedly provided on the positioning rod near the top wall of the adjusting cylinder, and a return spring 2 is wound between the pressure plate 2 and the bottom wall of the adjusting cylinder.

[0011] Furthermore, the mounting seat is an isosceles triangle structure, and the three hinge seats are respectively located at the triangles of the bottom surface of the mounting seat.

[0012] The advantages of the utility model compared with the existing technology are:

[0013] 1. Through the action of the three swing seats, support rods and fixed seats hinged on the mounting seat, and the cooperation of the connecting rod, movable seat, cylinder, adjustment cylinder, hinged seat 2 and swing rod, the three hinged swing rods can be driven to swing simultaneously during the up and down sliding of the cylinder, so that the three support rods can be folded or unfolded synchronously, thereby improving the convenience of the device;

[0014] 2. With the cooperation of the positioning seat, adjusting rod, wedge block, moving rod, abutment seat and adjusting screw, the adjusting screw can be rotated to drive the wedge block to move downward under the action of thread force, and drive the moving rods at both ends to move away from each other, and at the same time drive the abutment seats at both ends to move away from each other, so that the abutment seats are tightly abutted against the outer wall of the support rod, and the positioning seat is firmly positioned after sliding up and down, thereby improving the stability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first-view structural diagram of the utility model.

[0016] Figure 2 This is a structural diagram of the utility model from a second viewing angle.

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle.

[0018] Figure 4 It is an internal structure diagram of the positioning seat in the utility model.

[0019] Figure 5 It is a third viewing angle structural diagram of the utility model.

[0020] Figure 6 It is the internal structure diagram of the regulating cylinder in the utility model.

[0021] As shown in the figure: 1. Mounting seat; 2. Articulated seat 1; 3. Swinging seat; 4. Support rod; 5. Fixed seat; 6. Positioning seat; 7. Adjusting rod; 8. Support seat; 9. Connecting rod; 10. Articulated seat 2; 11. Moving seat; 12. Rocker rod; 13. Groove body; 14. Cavity; 15. Wedge block; 16. Adjusting screw; 17. Moving rod; 18. Pressing plate 1; 19. Return spring 1; 20. Abutting seat; 21. Cylinder body; 22. Adjusting cylinder; 23. Positioning rod; 24. Threaded sleeve; 25. Threaded rod; 26. Pressing plate 2; 27. Return spring 2. DETAILED DESCRIPTION

[0022] 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 only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of 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.

[0023] Embodiment 1

[0024] like Figure 1As shown, a novel portable surveying instrument comprises a mounting seat 1, on the bottom surface of the mounting seat 1, three hinged seats 2 are arranged equidistantly in the circumferential direction, the mounting seat 1 is an isosceles triangle structure, and the three hinged seats 2 are respectively located at the triangles of the bottom surface of the mounting seat 1, and swing seats 3 are respectively hinged on the three hinged seats 2, and support rods 4 are respectively fixed at both ends of the bottom surface of each swing seat 3, and a fixed seat 5 is commonly arranged on the bottom surface of two support rods 4 on the same swing seat 3, and an adjusting rod 7 that can slide up and down is respectively passed through between the two support rods 4 in each fixed seat 5, and a supporting seat 8 is also respectively arranged on the bottom surface of each adjusting rod 7, and the use height of the mounting seat 1 can be effectively adjusted by sliding the adjusting rod 7 up and down, and a positioning seat 6 that slides with the two support rods 4 is respectively fixed on the top surface of each adjusting rod 7, and a fixing device for positioning it is arranged in the positioning seat 6;

[0025] An articulated seat 2 10 is provided on the inner side surface of each fixed seat 5, and three articulated seats 2 10 are respectively hinged with swing rods 12. A connecting rod 9 is fixedly provided at the central position of the bottom surface of the mounting seat 1, and a movable seat 11 which can slide up and down is provided on the connecting rod 9. The other ends of the three swing rods 12 are respectively hinged at the corresponding positions on the outer side surface of the movable seat 11. A surveying instrument body is provided on the top surface of the mounting seat 1, and the surveying instrument body is a DTL2CAM electronic theodolite, which belongs to the prior art product.

[0026] like Figure 2 and Figure 3 As shown, the fixing device includes a wedge block 15, a moving rod 17 and an abutment seat 20. An upward groove 13 is opened on the bottom surface of each positioning seat 6 at the inner side of the support rod 4, and a cavity 14 is opened in the positioning seat 6, and a wedge block 15 that can slide up and down is set in this cavity 14. Installation cavities are opened in the positioning seats 6 corresponding to the two ends of the wedge block 15, and a moving rod 17 that can slide left and right is passed through this installation cavity. The ends of the two moving rods 17 extending out of the groove 13 are respectively connected to the abutment seats 20, and the opposite end faces of the two abutment seats 20 are arc groove structures.

[0027] An adjusting screw 16 is threadedly inserted into the top surface of the positioning seat 6 corresponding to the central position of the wedge block 15. The end of the adjusting screw 16 extends into the cavity 14 and is rotatably connected to the top surface of the wedge block 15. A pressure plate 18 is fixedly provided on the moving rod 17 close to the top wall of the installation cavity, and a return spring 19 is wound between the pressure plate 18 and the bottom wall of the installation cavity.

[0028] Embodiment 2

[0029] Based on the first embodiment, Figure 4 , 5 As shown in FIG. 6 , the positioning device for sliding the movable seat 11 up and down is specifically connected as follows:

[0030] A cylinder 21 capable of passing through the connecting rod 9 is fixedly provided on the top surface of the movable seat 11, an adjusting cylinder 22 is fixedly provided on the outer surface of the cylinder 21, a positioning rod 23 capable of moving left and right is passed through the adjusting cylinder 22 and extends into the cylinder 21 to abut against the outer wall of the connecting rod 9, and the inner end surface of the positioning rod 23 is an arc-shaped groove structure, and the bottom of the arc-shaped groove structure is connected to the outer wall of the connecting rod 9 by the inward movement of the positioning rod 23, so that the movable seat 11 is effectively positioned;

[0031] A threaded sleeve 24 is fixedly provided on the outer end face of the adjusting cylinder 22, and a threaded rod 25 matching the threaded sleeve 24 is threadedly passed through the threaded sleeve 24 and extends into the adjusting cylinder 22 to abut against the end of the positioning rod 23, and a second pressure plate 26 is fixedly provided on the positioning rod 23 near the top wall of the adjusting cylinder 22, and a second return spring 27 is wound between the second pressure plate 26 and the bottom wall of the adjusting cylinder 22. The threaded rod 25 is rotated to move inward under the action of the thread force, and at the same time, the positioning rod 23 is pushed to move inward, thereby positioning its movable seat 11.

[0032] In specific use, the device is first moved to the specified position, and then the moving seat 11 is controlled to slide downward. Under the action of the three articulated swing rods 12, the three swing seats 3 and the support rod 4 are driven to swing outward synchronously for deployment. After the adjustment is completed, the threaded rod 25 is rotated to move inward under the action of the thread force, and then the positioning rod 23 is driven to move inward so that the arc groove at the inner end thereof is tightly abutted against the outer wall of the connecting rod 9, and the moving seat 11 is positioned. When the height of the surveying instrument body needs to be adjusted, under the action of external force, Pull the adjusting rod 7 downward to slide it downward to adjust the height of the device. After the adjustment is completed, turn the adjusting screw 16 to drive the wedge block 15 to move downward under the action of the thread force, and drive the moving rods 17 on both sides to move away from each other, and at the same time drive the abutment seats 20 on both sides to move away from each other, so that the outer end faces of the abutment seats 20 are tightly abutted against the outer wall of the support rod 4, and the positioning seat 6 is firmly fixed. At the same time, the adjusting rod 7 is firmly positioned, which ensures the stability of the device during use, thereby improving the use efficiency of the device.

[0033] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A novel portable surveying instrument, comprising a mounting seat (1), wherein three hinged seats (2) are provided on the bottom surface of the mounting seat (1) at equal intervals in the circumferential direction, and the three hinged seats (2) are respectively hingedly connected to swing seats (3), characterized in that: Support rods (4) are fixedly provided at both ends of the bottom surface of each swing seat (3); a fixed seat (5) is commonly provided on the bottom surface of the two support rods (4) on the same swing seat (3); an adjustment rod (7) that can slide up and down is passed through each of the fixed seats (5) between the two support rods (4); a positioning seat (6) that is slidably matched with the two support rods (4) is fixedly provided on the top surface of each of the adjustment rods (7); and a fixing device for positioning the positioning rod (6) is provided in the positioning seat (6); A hinge seat (10) is provided on the inner side surface of each of the fixed seats (5), and the three hinge seats (10) are hingedly connected to rocker arms (12). A connecting rod (9) is fixedly provided at the central position of the bottom surface of the mounting seat (1), and a movable seat (11) which can slide up and down is provided on the connecting rod (9). The other ends of the three rocker arms (12) are hingedly connected to corresponding positions on the outer side surface of the movable seat (11), and a surveying instrument body is provided on the top surface of the mounting seat (1).

2. A novel portable surveying and mapping instrument according to claim 1, characterized in that: The fixing device comprises a wedge block (15), a moving rod (17) and an abutment seat (20). An upward groove (13) is provided on the bottom surface of each positioning seat (6) at the inner side of the support rod (4), and a cavity (14) is provided in each positioning seat (6) and a wedge block (15) that can slide up and down is provided in the cavity (14). An installation cavity is provided in each positioning seat (6) corresponding to the two ends of the wedge block (15) and a moving rod (17) that can slide left and right is passed through the installation cavity. The ends of the two moving rods (17) extending out of the groove (13) are respectively connected to the abutment seat (20).

3. A novel portable surveying and mapping instrument according to claim 2, characterized in that: An adjusting screw (16) is threadedly inserted into the top surface of the positioning seat (6) corresponding to the central position of the wedge block (15). The end of the adjusting screw (16) extends into the cavity (14) and is rotatably connected to the top surface of the wedge block (15). A pressure plate (18) is fixedly provided on the moving rod (17) close to the top wall of the installation cavity, and a return spring (19) is wound between the pressure plate (18) and the bottom wall of the installation cavity.

4. A novel portable surveying and mapping instrument according to claim 1, characterized in that: A cylinder (21) capable of passing through the connecting rod (9) is fixedly provided on the top surface of the movable seat (11), an adjusting cylinder (22) is fixedly provided on the outer surface of the cylinder (21), a positioning rod (23) capable of moving leftward and rightward is passed through the adjusting cylinder (22) and extends into the cylinder (21) to abut against the outer wall of the connecting rod (9).

5. A novel portable surveying and mapping instrument according to claim 4, characterized in that: A threaded sleeve (24) is fixedly provided on the outer end surface of the adjusting cylinder (22); a threaded rod (25) matching the threaded sleeve (24) is threadedly passed through the threaded sleeve (24) and extends into the adjusting cylinder (22) to abut against the end of the positioning rod (23); a second pressing plate (26) is fixedly provided on the positioning rod (23) near the top wall of the adjusting cylinder (22); and a second return spring (27) is wound between the second pressing plate (26) and the bottom wall of the adjusting cylinder (22).

6. A novel portable surveying and mapping instrument according to claim 1, characterized in that: The mounting seat (1) is an isosceles triangle structure, and the three hinge seats (2) are respectively located at the triangles of the bottom surface of the mounting seat (1).

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