Surveying and mapping ruler for geological engineering surveying and mapping

Abstract

The utility model belongs to the field of surveying and mapping rulers, and particularly relates to a surveying and mapping ruler for geological engineering surveying and mapping, which comprises a ruler box, a ruler mouth is fixedly connected to the left end of the ruler box, a ruler disc is mounted in the ruler box through a bearing, a ruler strip is wound on the outer side of the ruler disc, and a connecting frame is fixedly connected to one end, far away from the ruler disc, of the ruler strip. A locking mechanism is arranged on the ruler mouth, a connecting seat is fixedly connected to the left end of the connecting frame, a gear ring is fixedly connected to the outer side of a connecting shaft on the front face of the ruler disc, and a gear is installed on the front face of the ruler box through a bearing. The gear, the round rod, the square hole sleeve and other structures are additionally arranged on the ruler box, the square hole sleeve can be driven to slide to the outer side of the round rod through the elastic force of the first spring in the using process, when the ruler strip is released, the gear rotates the round rod, the round rod cannot drive the square hole sleeve and the rocker arm to rotate, and therefore the ruler strip is released. Therefore, the rocker arm is prevented from rotating to hurt people.

Description

Technical Field

[0001] The utility model relates to the technical field of surveying rulers, in particular to a surveying ruler for geological engineering surveying and mapping. Background Art

[0002] During geological exploration, it is necessary to map the selected area, and during the mapping process, it is necessary to measure the mapping range. According to the patent authorization announcement number: CN218469687U, a surveying ruler for geological engineering surveying is proposed. This utility model relates to the technical field of surveying rulers, and discloses a surveying ruler for geological engineering surveying, including an outer frame, a handle is fixedly installed on the upper end of the outer frame, a measuring tape is arranged inside the outer frame, a driving shaft is rotatably connected to the front end of the outer frame, a crank is fixedly connected to the outer surface of the driving shaft, and a conveyor belt is movably connected to the outer surface of the driving shaft. In this scheme, the gear is also rotated by the drive of the second belt, and due to the meshing of the gear and the driven gear, the driven gear rotates, and further drives the second rotating wheel to rotate together, so that the second rotating wheel rotates counterclockwise;

[0003] However, in the prior art, when the ruler is released during use, the rocker arm will rotate, and the rocker arm is easy to hit the operator's hand during the rotation, causing hand injuries. In addition, when carrying the ruler, the ruler head will repeatedly swing due to the action of the head pull ring, causing the ruler end to bend repeatedly, reducing the service life. Therefore, it is necessary to improve the prior art. Utility Model Content

[0004] The utility model aims to provide a surveying ruler for geological engineering surveying and mapping, which solves the problems that the rocker arm easily causes hand injuries when the ruler is released and the ruler end is easily damaged by repeated swinging.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a surveying ruler for geological engineering surveying and mapping, comprising a ruler box, a ruler mouth fixedly connected to the left end of the ruler box, a ruler disk installed inside the ruler box through a bearing, a ruler strip wound around the outside of the ruler disk, the end of the ruler strip away from the ruler disk is fixedly connected to a connecting frame, a locking mechanism is provided on the ruler mouth, a connecting seat is fixedly connected to the left end of the connecting frame, a gear ring is fixedly connected to the outside of the front connecting shaft of the ruler disk, a gear is installed through a bearing on the front of the ruler box, a round rod is fixedly connected to the front of the connecting shaft of the gear, a square rod nail is fixedly connected to the end of the round rod away from the gear, the front of the gear contacts a square hole sleeve, a rocker arm is fixedly connected to the outside of the square hole sleeve, and a spring is provided on the outside of the square rod nail.

[0006] Preferably, an insert nail is installed inside the connecting seat through a bearing, a magnet block is fixedly connected to the upper end of the insert nail, the connecting frame is slidably connected to the ruler mouth, and the magnet block can be adsorbed on the outside of the iron product.

[0007] Preferably, the gear is meshed with the gear ring, the round rod is movably connected to the square hole sleeve, the square rod nail is slidably connected to the square hole sleeve, and the square hole sleeve can drive the gear to rotate through the square rod nail.

[0008] Preferably, one end of the spring one is fixedly connected to the square hole sleeve, and the other end of the spring one is in contact with the square rod nail, and the spring one can drive the square hole sleeve to automatically reset through elastic force.

[0009] Preferably, a protective cover is fixedly connected to the front of the ruler box, the protective cover is movably connected to the square hole sleeve, the protective cover is rotatably connected to the rocker arm, and the protective cover can protect the gear.

[0010] Preferably, the locking mechanism includes a fixing nail, the upper end of the ruler mouth is fixedly connected with the fixing nail, the outer side of the fixing nail is slidably connected with a pull ring plate, the lower end of the pull ring plate is fixedly connected with a limiting column, a spring 2 is arranged on the outer side of the fixing nail, the limiting column is slidably connected with the connecting frame, the limiting column contacts the ruler mouth, and the limiting column can limit the connecting frame.

[0011] Preferably, one end of the second spring is fixedly connected to the fixing nail, and the other end of the second spring is fixedly connected to the pull ring plate, and the second spring can drive the pull ring plate to automatically reset through elastic force.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model adds gears, round rods, square hole sleeves and other structures to the ruler box. During use, the square hole sleeve can be driven to slide to the outside of the round rod by the elastic force of spring 1. When the ruler is released, the gear rotates the round rod, and the round rod cannot drive the square hole sleeve and the rocker arm to rotate, thereby preventing the rocker arm from rotating and injuring people.

[0014] 2. The utility model adds fixing nails, pull ring plates, limit posts and other structures on the ruler mouth. When the ruler is put into the ruler box during carrying, the limit post under the pull ring plate can be driven by the elastic force of spring 2 to slide into the inside of the connecting frame, so as to limit the connecting frame. In this way, the end of the ruler will not be bent repeatedly during carrying the ruler box, and the service life can be further extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0016] Figure 2 For the utility model Figure 1 A three-dimensional cross-sectional view of

[0017] Figure 3 For the utility model Figure 2 A magnified view of the local structure;

[0018] Figure 4 For the utility model Figure 2 A magnified view of the structure of part A;

[0019] Figure 5 For the utility model Figure 3 A magnified three-dimensional image of a square rod nail.

[0020] In the figure: 1. ruler box; 2. ruler mouth; 3. ruler strip; 4. connecting frame; 5. locking mechanism; 6. connecting seat; 7. insertion nail; 8. magnet block; 9. ruler plate; 10. gear ring; 11. gear; 12. round rod; 13. square rod nail; 14. square hole sleeve; 15. rocker arm; 16. spring one; 17. protective cover; 51. fixing nail; 52. pull ring plate; 53. limit column; 54. spring two. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 A surveying ruler for geological engineering surveying and mapping comprises a ruler box 1, a ruler mouth 2 is fixedly connected to the left end of the ruler box 1, a ruler disk 9 is installed inside the ruler box 1 through a bearing, a ruler strip 3 is wound around the outside of the ruler disk 9, a connecting frame 4 is fixedly connected to the end of the ruler strip 3 away from the ruler disk 9, a locking mechanism 5 is arranged on the ruler mouth 2, a connecting seat 6 is fixedly connected to the left end of the connecting frame 4, a gear ring 10 is fixedly connected to the outside of the front connecting shaft of the ruler disk 9, a gear 11 is installed on the front of the ruler box 1 through a bearing, a round rod 12 is fixedly connected to the front of the connecting shaft of the gear 11, a square rod nail 13 is fixedly connected to the end of the round rod 12 away from the gear 11, a square hole sleeve 14 is contacted on the front of the gear 11, a rocker arm 15 is fixedly connected to the outside of the square hole sleeve 14, and a spring 16 is arranged on the outside of the square rod nail 13.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 5An insert nail 7 is installed inside the connecting seat 6 through a bearing, and a magnet block 8 is fixedly connected to the upper end of the insert nail 7. The connecting frame 4 is slidably connected to the ruler mouth 2, and the magnet block 8 can be adsorbed on the outside of the iron product. The gear 11 is meshed with the gear ring 10, the round rod 12 is movably connected to the square hole sleeve 14, the square rod nail 13 is slidably connected to the square hole sleeve 14, and the square hole sleeve 14 can drive the gear 11 to rotate through the square rod nail 13. One end of the spring 16 is fixedly connected to the square hole sleeve 14, and the other end of the spring 16 contacts the square rod nail 13. The spring 16 can drive the square hole sleeve 14 to automatically reset through elastic force. A protective cover 17 is fixedly connected to the front of the ruler box 1, and the protective cover 17 is movably connected to the square hole sleeve 14. The protective cover 17 is rotatably connected to the rocker arm 15. The protective cover 17 can protect the gear 11.

[0024] See also Figure 1 , Figure 2 , Figure 4 The locking mechanism 5 includes a fixing nail 51, the upper end of the ruler mouth 2 is fixedly connected with the fixing nail 51, the outer side of the fixing nail 51 is slidably connected with a pull ring plate 52, the lower end of the pull ring plate 52 is fixedly connected with a limiting column 53, a spring 2 54 is arranged on the outer side of the fixing nail 51, the limiting column 53 is slidably connected with the connecting frame 4, the limiting column 53 contacts with the ruler mouth 2, the limiting column 53 can limit the connecting frame 4, one end of the spring 2 54 is fixedly connected with the fixing nail 51, and the other end of the spring 2 54 is fixedly connected with the pull ring plate 52, and the spring 2 54 can drive the pull ring plate 52 to automatically reset through elastic force.

[0025] The specific implementation process of the utility model is as follows: when in use, the pull ring plate 52 is pulled upward, the pull ring plate 52 drives the limit column 53 to move, and compresses the spring 2 54. When the limit column 53 is separated from the connecting frame 4, the limit of the connecting frame 4 can be released, and then the connecting frame 4 is pulled, the connecting frame 4 drives the ruler 3 to move, and the ruler 3 can drive the ruler plate 9 to rotate during the movement. The ruler plate 9 can drive the gear 11 to rotate through the gear ring 10 during the rotation. The gear 11 drives the square rod nail 13 to rotate through the round rod 12 during the rotation. However, the spring 16 can drive the square hole sleeve 14 to slide on the outside of the round rod 12 through elastic force, so as to prevent the rocker arm 15 from rotating;

[0026] When it is necessary to recycle the ruler 3, the rocker arm 15 is pulled in the direction away from the protective cover 17, and the rocker arm 15 drives the square hole sleeve 14 to move and compress the spring 16. When the square hole sleeve 14 slides to the outer side of the square rod of the square rod nail 13, the rocker arm 15 is rotated, and the rocker arm 15 drives the square rod nail 13 to rotate through the square hole sleeve 14. The square rod nail 13 can drive the gear 11 to rotate through the round rod 12, and the gear 11 drives the ruler disk 9 to rotate through the gear ring 10. The ruler disk 9 can recycle the ruler 3 during the rotation. When the connecting frame 4 slides to the outer side of the ruler mouth 2, the pull ring plate 52 is pulled upward, and the pull ring plate 52 compresses the spring 2 54. When the connecting frame 4 is completely reset, the pull ring plate 52 is released, and the spring 2 54 is reset. The spring 2 54 can drive the limiting column 53 under the pull ring plate 52 to slide into the interior of the connecting frame 4 through the elastic force, so as to complete the limiting of the connecting frame 4 and the ruler 3, and can effectively avoid damage to the ruler 3.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A surveying ruler for geological engineering surveying, comprising a ruler box (1), characterized in that: The left end of the ruler box (1) is fixedly connected to a ruler mouth (2), a ruler disk (9) is installed inside the ruler box (1) via a bearing, a ruler strip (3) is wound around the outer side of the ruler disk (9), the end of the ruler strip (3) away from the ruler disk (9) is fixedly connected to a connecting frame (4), a locking mechanism (5) is provided on the ruler mouth (2), a connecting seat (6) is fixedly connected to the left end of the connecting frame (4), a gear ring (10) is fixedly connected to the outer side of the front connecting shaft of the ruler disk (9), a gear (11) is installed on the front side of the ruler box (1) via a bearing, a round rod (12) is fixedly connected to the front side of the connecting shaft of the gear (11), a square rod nail (13) is fixedly connected to the end of the round rod (12) away from the gear (11), the front side of the gear (11) contacts a square hole sleeve (14), the outer side of the square hole sleeve (14) is fixedly connected to a rocker arm (15), and a spring (16) is provided on the outer side of the square rod nail (13).

2. A surveying ruler for geological engineering surveying and mapping according to claim 1, characterized in that: An insertion pin (7) is installed inside the connection seat (6) via a bearing, a magnet block (8) is fixedly connected to the upper end of the insertion pin (7), and the connection frame (4) is slidably connected to the ruler mouth (2).

3. A surveying ruler for geological engineering surveying and mapping according to claim 1, characterized in that: The gear (11) is meshed with the gear ring (10), the round rod (12) is movably connected to the square hole sleeve (14), and the square rod nail (13) is slidably connected to the square hole sleeve (14).

4. A surveying ruler for geological engineering surveying and mapping according to claim 1, characterized in that: One end of the spring one (16) is fixedly connected to the square hole sleeve (14), and the other end of the spring one (16) is in contact with the square rod nail (13).

5. The surveying ruler for geological engineering surveying and mapping according to claim 1, characterized in that: A protective cover (17) is fixedly connected to the front of the ruler box (1), the protective cover (17) is movably connected to the square hole sleeve (14), and the protective cover (17) is rotatably connected to the rocker arm (15).

6. A surveying ruler for geological engineering surveying and mapping according to claim 1, characterized in that: The locking mechanism (5) comprises a fixing pin (51), the upper end of the ruler mouth (2) is fixedly connected to the fixing pin (51), the outer side of the fixing pin (51) is slidably connected to a pull ring plate (52), the lower end of the pull ring plate (52) is fixedly connected to a limiting column (53), the outer side of the fixing pin (51) is provided with a second spring (54), the limiting column (53) is slidably connected to the connecting frame (4), and the limiting column (53) is in contact with the ruler mouth (2).

7. A surveying ruler for geological engineering surveying and mapping according to claim 6, characterized in that: One end of the second spring (54) is fixedly connected to the fixing nail (51), and the other end of the second spring (54) is fixedly connected to the pull ring plate (52).

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