Mine surveying and mapping instrument

Abstract

The utility model discloses a mine surveying instrument which comprises a bottom plate, a rotating shaft is arranged at the upper end of the bottom plate, a first gear is fixedly connected to the upper end of the rotating shaft, a bearing is fixedly arranged on the bottom plate, a vertical rod is fixedly connected to the inner side of the bearing, and a second gear is fixedly connected to the upper end of the vertical rod. The second gear is meshed with the first gear, a rotating handle is fixedly connected to the lower end of the vertical rod, a support is fixedly connected to one side of the rotating handle, a locking bolt is in threaded connection with the support, a placing plate is fixedly connected to the upper end of the first gear, and a placing groove is formed in the placing plate; the surveying instrument can be placed in the placing groove, targets in different directions can be well surveyed and mapped at the same position through the device, and the direction is convenient to adjust.

Description

Technical Field

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

[0002] Mines include coal mines, metal mines, non-metallic mines, building materials mines and chemical mines, etc. Mine surveying and mapping is an important part of the mine construction and production period. In the process of mining, in order to ensure the safety of miners, it is often necessary to use mine surveying instruments to measure various data before excavating the mine.

[0003] For example, a surveying instrument for underground mining engineering disclosed in the utility model with authorization announcement number CN218781052U includes a surveying instrument body, a fixing plate and a support leg, wherein the fixing plate and the support leg form a bracket, a mounting plate is fixed to the bottom of the surveying instrument body, a plurality of fixing grooves are provided on the mounting plate, a plurality of moving grooves corresponding to the fixing grooves are provided on the fixing plate, and a fixing block is also included, wherein the plurality of fixing blocks are movably installed in the moving grooves and have the freedom of movement along the direction of the moving grooves, and the fixing block has a fixing notch; in the highway surveying instrument of the utility model, a mounting plate, a fixing groove are provided. , a fixed block, a two-way threaded rod, a movable plate and a connecting rod. The function of quick installation or disassembly can be achieved by rotating the two-way threaded rod, which further improves the disassembly and assembly efficiency of the surveying instrument, avoids the cumbersome steps of traditional disassembly tools, and is easy to use. However, the device can move the two movable plates closer to each other by rotating the two-way threaded rod, and then drag the fixed block through the connecting rod on its side, so that the fixed block is squeezed on the fixed groove along the moving groove and through the fixed notch, and then it can be installed. However, this also makes the device unable to survey targets in different directions at the same position, and even requires the entire device to be lifted and rotated, which makes the operation more troublesome. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a mining surveying instrument which can solve the technical problem that the device can move two movable plates closer to each other by rotating the bidirectional threaded rod, and then drag the fixed block through the connecting rod on its side, so that the fixed block is squeezed on the fixed groove along the moving groove and through the fixed recess, and then it can be installed. However, this also makes the device unable to survey targets in different directions at the same position, and even requires the entire device to be lifted and rotated, resulting in a more troublesome operation.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a mining surveying instrument, comprising a base plate, a rotating shaft is arranged on the upper end of the base plate, a first gear is fixedly connected to the upper end of the rotating shaft, and a bearing is fixedly arranged on the base plate, a vertical rod is fixedly connected to the inner side of the bearing, a second gear is fixedly connected to the upper end of the vertical rod, the second gear is meshed with the first gear, and a rotating handle is fixedly connected to the lower end of the vertical rod, a bracket is fixedly connected to one side of the rotating handle, a locking bolt is threadedly connected to the bracket, a placement plate is fixedly connected to the upper end of the first gear, and a placement groove is opened on the placement plate, and the surveying instrument can be placed in the placement groove.

[0006] As a preferred technical solution of the utility model, a pair of baffles are fixedly connected to the upper end of the placement plate.

[0007] As a preferred technical solution of the utility model, a fixing bolt is threadedly connected to the baffle, one end of the fixing bolt is fixedly connected to a clamping plate, and a buffer pad is fixedly provided on one side of the clamping plate.

[0008] As a preferred technical solution of the utility model, a scale mark is attached to the upper end of the bottom plate.

[0009] As a preferred technical solution of the utility model, a fixing block is fixedly connected to the upper end of the first gear, and a pointer is fixedly provided on one side of the fixing block.

[0010] As a preferred technical solution of the utility model, the lower end of the base plate is rotatably connected with four supporting legs.

[0011] Compared with the prior art, the beneficial effect achieved by the utility model is as follows: by rotating the rotating handle, the rotating handle drives the vertical rod and the second gear to rotate, and the rotation of the second gear drives the first gear to rotate, and the first gear can drive the placement plate and the surveying instrument located in the placement plate to rotate in direction. When it is rotated to a suitable position, the locking bolt on the bracket is rotated to tighten the locking bolt against the lower end of the base plate, thereby fixing the rotating handle, the vertical rod, the first gear and the second gear and no longer rotating, thereby fixing the rotation direction of the surveying instrument. Through this device, targets in different directions can be well surveyed and mapped at the same position, and the direction adjustment is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the bottom plate and the placement plate of the utility model;

[0013] Figure 2 This is a schematic diagram of the main structure of the bottom plate and the placement plate of the utility model;

[0014] Figure 3 This is a schematic diagram of the top view of the bottom plate and the placement plate of the utility model;

[0015] Figure 4 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0016] Figure 5 For this utility model Figure 2 A schematic diagram of the partially enlarged structure at B in the middle;

[0017] Among them: 1. Base plate; 2. Rotating shaft; 3. First gear; 4. Bearing; 5. Vertical rod; 6. Second gear; 7. Rotating handle; 8. Bracket; 9. Locking bolt; 10. Placement plate; 11. Placement slot; 12. Baffle; 13. Fixing bolt; 14. Clamp; 15. Buffer pad; 16. Scale mark; 17. Fixing block; 18. Pointer; 19. Support leg; 20. Surveying instrument. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0019] Example

[0020] Please refer to Figure 1-Figure 4 As shown, the utility model provides a mining surveying instrument, a pair of baffles 12 are fixedly connected to the upper end of a placing plate 10, the two baffles 12 are located at the edge of the placing plate 10, a fixing bolt 13 is threadedly connected to the baffle 12, one end of the fixing bolt 13 is fixedly connected to a clamping plate 14, and a buffer pad 15 is fixedly provided on one side of the clamping plate 14, a scale mark 16 is attached to the upper end of the base plate 1, a fixing block 17 is fixedly connected to the upper end of the first gear 3, a pointer 18 is fixedly provided on one side of the fixing block 17, and the lower end of the base plate 1 is rotatably connected to four supporting legs 19.

[0021] When in use, by rotating the fixing bolt 13, the clamp 14 can be moved to one side, and finally the clamp 14 can fix the surveying instrument 20. At the same time, the buffer pad 15 on the clamp 14 can provide a certain degree of protection for the surveying instrument 20. In addition, through the cooperation of the pointer 18 and the scale mark 16, the rotation angle of the first gear 3 and the surveying instrument 20 can be checked.

[0022] As a further implementation of this embodiment, Figure 1-Figure 5As shown, a rotating shaft 2 is provided at the upper end of the base plate 1, and a first gear 3 is fixedly connected to the upper end of the rotating shaft 2. The first gear 3 can rotate on the base plate 1 through the rotating shaft 2, and a bearing 4 is fixedly provided on the base plate 1, and a vertical rod 5 is fixedly connected to the inner side of the bearing 4. The vertical rod 5 can rotate on the inner side of the bearing 4, and a second gear 6 is fixedly connected to the upper end of the vertical rod 5. The second gear 6 is meshed with the first gear 3, and a rotating handle 7 is fixedly connected to the lower end of the vertical rod 5, and a bracket 8 is fixedly connected to one side of the rotating handle 7. A locking bolt 9 is threadedly connected to the bracket 8, and a placement plate 10 is fixedly connected to the upper end of the first gear 3, and a placement groove 11 is provided on the placement plate 10, and a surveying instrument 20 can be placed in the placement groove 11.

[0023] When in use, by rotating the rotating handle 7, the rotating handle 7 drives the vertical rod 5 and the second gear 6 to rotate, and the rotation of the second gear 6 drives the first gear 3 to rotate. The first gear 3 can drive the placement plate 10 and the surveying and mapping instrument 20 located in the placement plate 10 to rotate in direction. When it is rotated to a suitable position, the locking bolt 9 on the bracket 8 is rotated to make the locking bolt 9 and the lower end of the base plate 1 tightly fixed, so that the rotating handle 7, the vertical rod 5, the first gear 3 and the second gear 6 can be fixed and no longer rotated, so that the rotation direction of the surveying and mapping instrument 20 is fixed. The device can well survey and map targets in different directions at the same position, and the direction adjustment is convenient.

[0024] Specific working principle: When in use, the support leg 19 on the bottom plate 1 can be rotated to place the device in a suitable position, and then the surveying instrument 20 can be placed in the placement groove 11 on the placement plate 10. By rotating the fixing bolt 13, the clamping plate 14 can be moved to one side, and finally the clamping plate 14 can fix the surveying instrument 20. At the same time, the buffer pad 15 on the clamping plate 14 can play a certain protective role for the surveying instrument 20. When it is necessary to survey and map targets in different directions of the position, the rotating handle 7 can be rotated to drive the vertical rod 5 and the second gear 6 to rotate, and the second gear 6 rotates to drive the first gear 3 By rotating, the first gear 3 can drive the placement plate 10 and the surveying and mapping instrument 20 located in the placement plate 10 to rotate in a certain direction. Through the cooperation of the pointer 18 and the scale mark 16, the rotation angle of the first gear 3 and the surveying and mapping instrument 20 can be checked. When it is rotated to a suitable position, the locking bolt 9 on the bracket 8 is rotated to make the locking bolt 9 and the lower end of the base plate 1 tightly fixed, so that the rotating handle 7, the vertical rod 5, the first gear 3 and the second gear 6 can be fixed and no longer rotated, so that the rotation direction of the surveying and mapping instrument 20 is fixed. Through this device, targets in different directions can be well surveyed and mapped at the same position, and the direction adjustment is convenient.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A mine surveying instrument, comprising a base plate (1), characterized in that: A rotating shaft (2) is arranged at the upper end of the base plate (1), the upper end of the rotating shaft (2) is fixedly connected to a first gear (3), and a bearing (4) is fixedly arranged on the base plate (1), the inner side of the bearing (4) is fixedly connected to a vertical rod (5), the upper end of the vertical rod (5) is fixedly connected to a second gear (6), the second gear (6) is meshed with the first gear (3), and the lower end of the vertical rod (5) is fixedly connected to a rotating handle (7), one side of the rotating handle (7) is fixedly connected to a bracket (8), a locking bolt (9) is threadedly connected to the bracket (8), the upper end of the first gear (3) is fixedly connected to a placement plate (10), and a placement groove (11) is provided on the placement plate (10), and a surveying instrument (20) can be placed in the placement groove (11).

2. A mine surveying instrument according to claim 1, characterized in that: A pair of baffles (12) are fixedly connected to the upper end of the placement plate (10).

3. A mine surveying instrument according to claim 2, characterized in that: A fixing bolt (13) is threadedly connected to the baffle (12), one end of the fixing bolt (13) is fixedly connected to a clamping plate (14), and a buffer pad (15) is fixedly provided on one side of the clamping plate (14).

4. A mine surveying instrument according to claim 1, characterized in that: A scale mark (16) is attached to the upper end of the bottom plate (1).

5. A mine surveying instrument according to claim 1, characterized in that: The upper end of the first gear (3) is fixedly connected to a fixing block (17), and a pointer (18) is fixedly arranged on one side of the fixing block (17).

6. A mine surveying instrument according to claim 1, characterized in that: The lower end of the base plate (1) is rotatably connected to four supporting legs (19).

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