A portable topographic map measuring instrument

Abstract

The utility model relates to the field of topographic surveying, and in particular to a portable topographic map measuring instrument. The utility model provides a portable topographic map measuring instrument that can install and fix a placement frame, which is convenient for adapting to different topographic surveying areas and improving the flexibility and convenience of using the device. A portable topographic map measuring instrument includes a support frame, a telescopic rod, a support plate, etc., wherein a plurality of telescopic rods are rotatably connected to the outer side of the support frame, and the telescopic ends of the telescopic rods are rotatably connected to the support plates. The utility model places the placement frame in a clampable position, and then holds the turning handle to rotate, thereby driving the second screw to rotate, so that the second screw moves under the action of the thread, and then drives the first clamping plate to move on the guide frame, thereby achieving the effect of being able to install and fix the placement frame, facilitating adaptation to different topographic surveying areas, and improving the flexibility and convenience of using the device.

Description

Technical Field

[0001] The utility model relates to the field of topographic surveying, in particular to a topographic map surveying instrument which is easy to carry. Background Art

[0002] Topographic mapping instruments usually refer to instruments and equipment used to measure topography, relief and ground landforms. These measuring instruments usually include various topographic measuring tools, such as rangefinders, GPS receivers, laser rangefinders, etc. These devices can help surveyors, geologists, environmental scientists and other professionals measure and collect data on topographic features.

[0003] The existing portable topographic mapping instrument is to first install a support frame in the topographic measurement area, then install the topographic mapping instrument on a placement frame on the support frame, and then use the topographic mapping instrument to measure the topography. When the support frame is installed on an uneven ground, the stability of the support frame may be poor, and the support frame is large in size and cannot adapt to different topographic measurement areas, which is inconvenient.

[0004] Therefore, it is necessary to design a portable topographic map measuring instrument that can install and fix the placement frame, adapt to different topographic measurement areas, and improve the flexibility and convenience of using the device. Utility Model Content

[0005] In order to overcome the disadvantages of the existing portable topographic mapping instrument that when the support frame is installed on an uneven ground, the stability of the support frame may be poor, and the support frame is large in size and cannot adapt to different topographic measurement areas, which is inconvenient, the utility model provides a portable topographic mapping instrument that can install and fix the placement frame to facilitate adaptation to different topographic measurement areas and improve the flexibility and convenience of using the device.

[0006] Technical solution: A portable topographic map measuring instrument includes a support frame, a telescopic rod, a support plate, a first screw, a fixed frame and a fixing mechanism. A plurality of telescopic rods are rotatably connected to the outer side of the support frame, and the telescopic ends of the telescopic rods are rotatably connected to the support plate. The upper side of the support frame is connected to the first screw, and the fixed frame is threadedly connected to the first screw, and the fixed frame is provided with a fixing mechanism.

[0007] In a preferred embodiment of the utility model, it also includes an insertion rod, and the support plates are all connected with the insertion rod.

[0008] In a preferred embodiment of the utility model, the fixing mechanism includes a placing frame, a guide frame, a first clamping plate, a second screw, an electric push rod, a first rotating frame and a mounting frame. The placing frame is clamped on the upper side of the fixing frame, the placing frame is connected to the guide frame on the upper part, the first clamping plate is slidably connected to the guide frame, the first clamping plate is in contact with the placing frame, the second screw is threadedly connected to the right side of the placing frame, the second screw is rotatably connected to the first clamping plate, the electric push rod is connected to the upper side of the guide frame, the first rotating frame is rotatably connected to the telescopic end of the electric push rod, and the mounting frame is rotatably connected to the first rotating frame.

[0009] In a preferred embodiment of the present utility model, a groove is formed on the right side of the placement rack.

[0010] In a preferred embodiment of the present invention, a turning handle is provided on the right side of the second screw rod.

[0011] In a preferred embodiment of the utility model, it also includes a clamping mechanism, which includes a second rotating frame, a torsion spring, a connecting rod and a second clamping plate. The second rotating frame is rotatably connected to the middle of the mounting frame, and a torsion spring is connected between the second rotating frame and the mounting frame. The left and right parts of the upper side of the second rotating frame are rotatably connected to the connecting rod, and the upper part of the mounting frame is slidably connected to two front and rear second clamping plates, and the second clamping plates are rotatably connected to adjacent connecting rods.

[0012] Compared with the prior art, the utility model has the following advantages: 1. The utility model places the placement frame in a clampable position, and then holds the handle to rotate it, thereby driving the second screw to rotate, so that the second screw moves under the action of the thread, and then drives the first clamping plate to move on the guide frame, thereby achieving the effect of being able to install and fix the placement frame, facilitating adaptation to different terrain measurement areas, and improving the flexibility and convenience of using the device.

[0013] 2. The utility model contacts the mounting frame with the topographic map measuring instrument, so that the second clamping plate moves on the mounting frame, and the second clamping plates move away from each other, driving the connecting rod to rotate, and then driving the second rotating frame to rotate, and the torsion spring is deformed. Under the action of the torsion spring, the topographic map measuring instrument can be clamped and fixed to prevent it from slipping. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0015] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the support mechanism of the utility model.

[0016] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixing mechanism of the utility model.

[0017] Figure 4 It is a schematic diagram of a first cross-sectional three-dimensional structure of the clamping mechanism of the utility model.

[0018] Figure 5 It is a schematic diagram of the second three-dimensional structure of the clamping mechanism of the utility model.

[0019] The markings of the components in the accompanying drawings are as follows: 1. support frame, 2. telescopic rod, 3. support plate, 4. insertion rod, 5. first screw rod, 6. fixed frame, 7. fixing mechanism, 71. placement frame, 72. guide frame, 73. first clamping plate, 74. second screw rod, 75. electric push rod, 76. first rotating frame, 77. mounting frame, 8. clamping mechanism, 81. second rotating frame, 82. torsion spring, 83. connecting rod, 84. second clamping plate. DETAILED DESCRIPTION

[0020] Although the present invention may be described with respect to a specific application or industry, those skilled in the art will recognize the broader applicability of the present invention. Those of ordinary skill in the art will recognize that terms such as: above, below, upward, downward, etc. are used to describe the drawings and do not represent limitations on the scope of the present invention as defined by the appended claims. Any numerical designations such as: first or second are merely exemplary and are not intended to limit the scope of the present invention in any way.

[0021] A portable topographic map measuring instrument, such as Figure 1 and Figure 2 As shown, it includes a support frame 1, a telescopic rod 2, a support plate 3, an insertion rod 4, a first screw 5, a fixing frame 6 and a fixing mechanism 7. The three telescopic rods 2 are rotatably connected to the outer side of the support frame 1, the telescopic ends of the telescopic rods 2 are rotatably connected to the support plates 3, the support plates 3 are connected to the insertion rod 4, the first screw 5 is connected to the upper side of the support frame 1, the first screw 5 is threadedly connected to the fixing frame 6, and the fixing frame 6 is provided with a fixing mechanism 7 that can be fixed.

[0022] like Figure 1 and Figure 3As shown, the fixing mechanism 7 includes a placing frame 71, a guide frame 72, a first clamping plate 73, a second screw 74, an electric push rod 75, a first rotating frame 76 and a mounting frame 77. The placing frame 71 is clamped on the upper side of the fixing frame 6, and a groove is provided on the right side of the placing frame 71 for easy grasping and lifting. The upper part of the placing frame 71 is connected to the guide frame 72, and the first clamping plate 73 is slidably connected to the guide frame 72. The first clamping plate 73 contacts the placing frame 71, and the right side of the placing frame 71 is threadedly connected to the second screw 74. A turning handle is provided on the right side of the second screw 74 for easy grasping and rotation. The second screw 74 is rotatably connected to the first clamping plate 73, and the upper side of the guide frame 72 is connected to the electric push rod 75. The telescopic end of the electric push rod 75 is rotatably connected to the first rotating frame 76, and the mounting frame 77 is rotatably connected to the first rotating frame 76.

[0023] like Figure 1 , Figure 4 and Figure 5 As shown, it also includes a clamping mechanism 8, which includes a second rotating frame 81, a torsion spring 82, a connecting rod 83 and a second clamping plate 84. The second rotating frame 81 is rotatably connected to the middle part of the mounting frame 77, and a torsion spring 82 is connected between the second rotating frame 81 and the mounting frame 77. The left and right parts of the upper side of the second rotating frame 81 are rotatably connected to the connecting rod 83. The upper part of the mounting frame 77 is slidably connected to two front and rear second clamping plates 84, and the second clamping plates 84 are rotatably connected to the adjacent connecting rods 83.

[0024] When using the device, first insert the insertion rod 4 on the support plate 3 into the topographic measurement area, then rotate and adjust the telescopic rod 2 to support the support frame 1, and then place the topographic measuring instrument between the second clamping plates 84. The topographic measuring instrument contacts the mounting frame 77, so that the second clamping plates 84 move on the mounting frame 77, and the second clamping plates 84 move away from each other, driving the connecting rod 83 to rotate, and then driving the second rotating frame 81 to rotate, and the torsion spring 82 is deformed. Under the action of the torsion spring 82, the topographic measuring instrument can be clamped and fixed to prevent the topographic measuring instrument from slipping. Then, the topographic measuring instrument is used for detection. When the topographic measuring instrument is not needed, the topographic measuring instrument can be taken out, the torsion spring 82 is restored, driving the second rotating frame 81 to rotate, and then driving the connecting rod 83 to rotate, so that the second clamping plates 84 are close to each other, and then the fixing frame 6 is rotated so that the fixing frame 6 moves upward on the first screw rod 5 through the thread. The first clamping plate 73 is then driven by the guide frame 72 to move on the second screw rod 74. The first clamping plate 73 is driven by the guide frame 72 to move on the second screw rod 74. The first clamping plate 73 is then ...3 to move on the second screw rod 74. The first clamping plate 73 is then driven by the guide frame 73 to move on the second screw rod 74. The first clamping plate 73 is then driven by the guide frame 73 to move on the second screw rod 74. The first clamping plate 73 is then driven by the guide frame 73 to

[0025] The above embodiments are provided for persons familiar with the art to implement or use the present invention. Personnel familiar with the art can make various modifications or changes to the above embodiments without departing from the utility model concept of the present invention. Therefore, the protection scope of the present invention is not limited to the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A portable topographic map measuring instrument, characterized in that it includes The invention comprises a support frame (1), a telescopic rod (2), a support plate (3), a first screw rod (5), a fixing frame (6) and a fixing mechanism (7); a plurality of telescopic rods (2) are rotatably connected to the outer side of the support frame (1); the telescopic ends of the telescopic rods (2) are rotatably connected to the support plate (3); the upper side of the support frame (1) is connected to the first screw rod (5); the fixing frame (6) is threadedly connected to the first screw rod (5); and the fixing frame (6) is provided with a fixing mechanism (7) capable of fixing.

2. A portable topographic map measuring instrument according to claim 1, characterized in that: It also includes an insertion rod (4), and the support plates (3) are all connected with the insertion rod (4).

3. A portable topographic map measuring instrument according to claim 2, characterized in that: The fixing mechanism (7) comprises a placing frame (71), a guide frame (72), a first clamping plate (73), a second screw rod (74), an electric push rod (75), a first rotating frame (76) and a mounting frame (77). The placing frame (71) is clamped on the upper side of the fixing frame (6). The upper part of the placing frame (71) is connected with the guide frame (72). The first clamping plate (73) is slidably connected to the guide frame (72). The first clamping plate (73) contacts the placing frame (71). The right side of the placing frame (71) is threadedly connected with the second screw rod (74). The second screw rod (74) is rotatably connected to the first clamping plate (73). The upper side of the guide frame (72) is connected with the electric push rod (75). The telescopic end of the electric push rod (75) is rotatably connected with the first rotating frame (76). The mounting frame (77) is rotatably connected to the first rotating frame (76).

4. A portable topographic map measuring instrument according to claim 3, characterized in that: The right side of the placing frame (71) is provided with a groove.

5. A portable topographic map measuring instrument according to claim 4, characterized in that: A turning handle is arranged on the right side of the second screw rod (74).

6. A portable topographic map measuring instrument according to claim 5, characterized in that: The invention also comprises a clamping mechanism (8), the clamping mechanism (8) comprising a second rotating frame (81), a torsion spring (82), a connecting rod (83) and a second clamping plate (84); the middle part of the mounting frame (77) is rotatably connected to the second rotating frame (81); a torsion spring (82) is connected between the second rotating frame (81) and the mounting frame (77); the left and right parts of the upper side of the second rotating frame (81) are both rotatably connected to the connecting rod (83); the upper part of the mounting frame (77) is slidably connected to two front and rear second clamping plates (84); and the second clamping plates (84) are both rotatably connected to adjacent connecting rods (83).

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