Ground levelness surveying instrument

Abstract

The utility model provides a ground levelness surveying instrument, which relates to the technical field of ground levelness surveying instruments, and comprises a leveling instrument, an extension device is arranged on the side surface of the leveling instrument, a cleaning device is arranged at the bottom of the leveling instrument, and a level bubble is fixedly connected to the surface of the leveling instrument. The extension device comprises a rectangular groove formed in the side face of the horizontal ruler, an extension rod is rotatably connected to the side face of the horizontal ruler, a baffle is fixedly connected to the interior of the rectangular groove, a telescopic rod is fixedly connected to the interior of the rectangular groove, a protruding block is fixedly connected to one end of the telescopic rod, and the surface of the telescopic rod is sleeved with a first spring. The two ends of the first spring are fixedly connected with the side faces of the protruding blocks and the inner wall of the rectangular groove respectively, the interior of the rectangular groove is fixedly connected with a telescopic sliding rod, the surface of the telescopic sliding rod is sleeved with a spring, one end of the telescopic sliding rod is fixedly connected with a clamping block, and the problem that the leveling instrument cannot be lengthened is solved.

Description

Technical Field

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

[0002] A spirit level is a measuring instrument that uses the principle of liquid level to directly display angular displacement with a level bubble to measure the degree of deviation of the measured surface relative to the horizontal position, plumb position, and tilt position. A spirit level is usually used when testing the levelness of the ground.

[0003] The inventor found in daily use of the level ruler that the length of a general level ruler is fixed. If the area of ​​the ground is too large, the level ruler needs to be frequently moved to detect the levelness of the ground, which prolongs the time for detecting the levelness of the ground and causes an impact. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a ground levelness surveying instrument.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ground level surveying instrument, including a spirit level, an extension device is provided on the side of the spirit level, a cleaning device is provided on the bottom of the spirit level, a level bubble is fixedly connected to the surface of the spirit level, the extension device includes a rectangular groove opened on the side of the spirit level, an extension rod is rotatably connected to the side of the spirit level, a baffle is fixedly connected to the inside of the rectangular groove, a telescopic rod is fixedly connected to the inside of the rectangular groove, one end of the telescopic rod is fixedly connected to a protrusion, a first spring is sleeved on the surface of the telescopic rod, the two ends of the first spring are respectively fixedly connected to the inner wall of the rectangular groove at the side of the protrusion, a telescopic slide rod is fixedly connected to the inside of the rectangular groove, a spring is sleeved on the surface of the telescopic slide rod, a clamping block is fixedly connected to one end of the telescopic slide rod, and a trapezoidal block is provided inside the clamping block.

[0006] The effect achieved by the above-mentioned components is: under the action of the extension device, when the spirit level is used to detect a ground with a larger area, the spirit level can be extended through the extension device, thereby facilitating the detection of the horizontality; when the spirit level needs to be extended, the extension rod is rotated on the side of the spirit level, so that the extension rod squeezes the protrusion into the interior of the rectangular groove; when the gas inside the rectangular groove is compressed, when the force of the gas is greater than the force of the spring, the block is pushed out, and the block is inserted into the interior of the groove, thereby achieving the effect of extending the spirit level; when using the spirit level, place the spirit level on the ground to be detected, and observe whether the level inside the spirit bubble is centered, thereby achieving the detection of horizontality.

[0007] Preferably, a magnetic block is fixedly connected to the surface of the protrusion, and an iron plate is fixedly connected to the side of the extension rod.

[0008] The effect achieved by the above components is that the extension rod can be fixed together with the level ruler under the action of the magnetic block and the iron plate.

[0009] Preferably, a groove is provided on the side of the extension rod, a square groove is provided on the inner wall of the groove, a round rod is slidably connected inside the square groove, and a push plate is fixedly connected to one end of the round rod.

[0010] The effect achieved by the above components is: under the action of the round rod, when the extension rod is not in use, the trapezoidal block is squeezed into the interior of the groove body through the push plate, and then under the action of the spring, the card block is pulled into the interior of the rectangular groove, so that the extension rod is folded to the side of the level ruler for storage.

[0011] Preferably, a second spring is sleeved on the surface of the round rod, and two ends of the second spring are fixedly connected to the surface of the extension rod at one end of the round rod away from the extension rod.

[0012] The effect achieved by the above components is that under the action of the second spring, the round rod can pull the push plate to be tightly attached to the inner wall of the square groove when not in use.

[0013] Preferably, a groove is provided on the side of the blocking block, a damping rod is fixedly connected to the inside of the groove, one end of the damping rod is fixedly connected to a trapezoidal block, a third spring is sleeved on the surface of the damping rod, and the two ends of the third spring are respectively fixedly connected to the side of the trapezoidal block and the inner wall of the groove.

[0014] The effect achieved by the above components is that under the action of the third spring, the trapezoidal block can be pushed out of the slot body and inserted into the interior of the square slot, thereby achieving the effect of fixing the extension rod.

[0015] Preferably, a sealing ring is fixedly connected between the surface of the protrusion and the clamping block, and the sealing ring is fixedly connected to the inner wall of the rectangular groove.

[0016] The effects achieved by the above components are as follows: under the action of the sealing ring, the gas inside the rectangular groove will not leak, thereby achieving a sealing effect; when the level ruler needs to be extended, the extension rod is rotated on the side of the level ruler; when the side of the extension rod moves and squeezes toward the side of the level ruler, the convex block is squeezed into the interior of the rectangular groove; under the action of the sealing ring, the gas inside the rectangular groove will not leak, thereby achieving a sealing effect; under the action of the baffle, the rectangular groove is divided into a "concave" state; when the convex block is squeezed into the interior of the rectangular groove, the gas flows to the other air chamber, thereby increasing the gas in the other air chamber, thereby causing the spring and the extension to be in contact with each other. The retractable sliding rod is stretched, so that the card block is inserted into the inside of the groove. Under the action of the third spring, the trapezoidal block can be pushed out of the groove body and inserted into the inside of the square groove, thereby achieving the effect of fixing the extension rod. Under the action of the magnetic block and the iron plate, the extension rod can be fixed together with the level ruler. When it is necessary to separate the extension rod from the level ruler, the round rod is squeezed inwardly, so that the trapezoidal block is separated from the square groove, and then under the traction of the spring, the card block moves into the inside of the rectangular groove, thereby pushing the gas into the air chamber containing the protrusion, so that the protrusion extends out of the rectangular groove, and then the extension rod is folded to the side of the level ruler, thereby achieving the effect of extending the level ruler.

[0017] Preferably, the cleaning device includes a long groove opened on the side of the level ruler, a fixing rod is fixedly connected to the inside of the long groove, a slider is slidably connected to the surface of the fixing rod, an L-shaped rod is rotatably connected to the side of the slider, and a clamping rod is inserted into the surface of the slider.

[0018] The effect achieved by the above components is that under the action of the L-shaped rod, the concrete slurry at the bottom of the level ruler can be cleaned off, thereby avoiding the phenomenon that the bottom of the level ruler becomes uneven.

[0019] Preferably, a scraper strip is fixedly connected to the surface of the L-shaped rod, and the scraper strip is arranged on one side of the L-shaped rod close to the bottom of the level ruler.

[0020] The effect achieved by the above components is: under the action of the scraper, the L-shaped rod can clean the concrete slurry at the bottom of the spirit level cleanly and conveniently. When the bottom of the spirit level needs to be cleaned, the L-shaped rod is rotated on the surface of the slider. When the L-shaped rod is in close contact with the spirit level, the slider is slid on the surface of the fixed rod, so that the concrete slurry at the bottom of the spirit level is cleaned. When the cleaning is completed, the L-shaped rod is rotated on the surface of the slider. When the L-shaped rod is parallel to the side of the spirit level, the clamping rod is inserted into the inside of the L-shaped rod for fixing, so as to achieve the effect of cleaning the bottom of the spirit level.

[0021] Compared with the prior art, the advantages and positive effects of the utility model are:

[0022] In the utility model, by arranging an extension device, when it is necessary to extend the level ruler, the extension rod is rotated on the side of the level ruler, and when the side of the extension rod is moved and squeezed toward the side of the level ruler, the convex block is squeezed into the interior of the rectangular groove, and under the action of the sealing ring, the gas inside the rectangular groove will not leak, thereby achieving a sealing effect, and under the action of the baffle, the rectangular groove is divided into a "concave" state, and then when the convex block is squeezed into the interior of the rectangular groove, the gas flows to the other air chamber, thereby increasing the gas in the other air chamber, thereby stretching the spring and the telescopic slide rod, thereby causing the block to be inserted into the interior of the groove, and in the third spring Under the action of the spring, the trapezoidal block can be pushed out of the slot and inserted into the inside of the square slot, thereby achieving the function of fixing the extension rod. Under the action of the magnetic block and the iron plate, the extension rod can be fixed together with the spirit level. When it is necessary to separate the extension rod from the spirit level, the round rod is squeezed inward, thereby causing the trapezoidal block to detach from the square slot. Then, under the traction of the spring, the card block moves into the inside of the rectangular slot, thereby pushing the gas into the air chamber containing the protrusion, so that the protrusion extends out of the rectangular slot, and then the extension rod is folded to the side of the spirit level, thereby achieving the function of extending the spirit level, thereby solving the problem that the spirit level cannot be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A three-dimensional structural schematic diagram of a ground levelness surveying and mapping instrument is proposed for the utility model;

[0024] Figure 2 A schematic diagram of an extension device of a ground level surveying instrument is provided for the utility model;

[0025] Figure 3 A partial schematic diagram of an extension device of a ground level surveying instrument proposed by the utility model;

[0026] Figure 4 A partial schematic diagram of an extension device of a ground level surveying instrument proposed by the utility model;

[0027] Figure 5 The utility model provides a schematic diagram of a cleaning device for a ground levelness surveying instrument.

[0028] Legend: 1. Level ruler; 2. Extension device; 21. Rectangular groove; 22. Bump; 23. Telescopic rod; 24. First spring; 25. Sealing ring; 26. Baffle; 27. Block; 28. Trapezoidal block; 29. ​​Magnetic block; 210. Second spring; 211. Groove body; 212. Damping rod; 213. Third spring; 214. Extension rod; 215. Square groove; 216. Round rod; 3. Cleaning device; 31. Long groove; 32. Fixed rod; 33. Sliding block; 34. Block rod; 35. L-shaped rod; 36. Scraper strip; 4. Level bubble. DETAILED DESCRIPTION

[0029] Embodiment 1, as Figure 1-5 As shown, a ground levelness surveying instrument includes a spirit level 1, an extension device 2 is arranged on the side of the spirit level 1, a cleaning device 3 is arranged on the bottom of the spirit level 1, and a level bubble 4 is fixedly connected to the surface of the spirit level 1. When the spirit level 1 is used, the spirit level 1 is placed on the ground to be tested, and the levelness is detected by observing whether the flag inside the level bubble 4 is centered.

[0030] Reference Figure 2-4The extension device 2 includes a rectangular groove 21 opened on the side of the level ruler 1, and an extension rod 214 is rotatably connected to the side of the level ruler 1. A baffle 26 is fixedly connected inside the rectangular groove 21, and a telescopic rod 23 is fixedly connected inside the rectangular groove 21. One end of the telescopic rod 23 is fixedly connected to a protrusion 22. A first spring 24 is sleeved on the surface of the telescopic rod 23. The two ends of the first spring 24 are respectively fixedly connected to the inner wall of the rectangular groove 21 on the side of the protrusion 22. A telescopic slide rod is fixedly connected inside the rectangular groove 21, and a spring is sleeved on the surface of the telescopic slide rod. One end of the telescopic slide rod is fixedly connected to a card block 27, and a trapezoidal block 28 is arranged inside the card block 27. Under the action of the extension device 2, the level ruler 1 can be extended when detecting a large area of ​​the ground. The elongated device 2 lengthens the level 1, thereby facilitating detection of the horizontality. When the level 1 needs to be extended, the extension rod 214 is rotated on the side of the level 1, so that the extension rod 214 squeezes the protrusion 22 into the inside of the rectangular groove 21. When the gas inside the rectangular groove 21 is compressed, when the force of the gas is greater than the force of the spring, the block 27 is pushed out, so that the block 27 is inserted into the inside of the groove, thereby achieving the effect of extending the level 1. When using the level 1, the level 1 is placed on the ground to be tested, and the level is detected by observing whether the cheongsam inside the level bubble 4 is centered. The surface of the protrusion 22 is fixedly connected to the magnetic block 29, and the side of the extension rod 214 is fixedly connected to the iron plate. Under the action of the iron plate, the extension rod 214 can be fixed together with the level ruler 1. A groove is provided on the side of the extension rod 214, and a square groove 215 is provided on the inner wall of the groove. A round rod 216 is slidably connected inside the square groove 215, and one end of the round rod 216 is fixedly connected to a push plate. Under the action of the round rod 216, when the extension rod 214 is not in use, the trapezoidal block 28 is squeezed into the interior of the groove body 211 through the push plate, and then under the action of the spring, the card block 27 is pulled into the interior of the rectangular groove 21, so that the extension rod 214 is folded to the side of the level ruler 1 for storage, and a second spring 210 is sleeved on the surface of the round rod 216, and the two ends of the second spring 210 are respectively at one end of the round rod 216 away from the extension rod 214 and the surface of the extension rod 214 The second spring 210 is used to pull the push plate 216 to fit the inner wall of the square groove 215 when the round rod 216 is not in use. A groove 211 is provided on the side of the block 27. A damping rod 212 is fixedly connected to the inside of the groove 211. One end of the damping rod 212 is fixedly connected to the trapezoidal block 28. A third spring 213 is sleeved on the surface of the damping rod 212. The two ends of the third spring 213 are fixedly connected to the inner wall of the groove 211 on the side of the trapezoidal block 28. Under the action of the third spring 213, the trapezoidal block 28 can be pushed out of the groove 211 and inserted into the inside of the square groove 215, thereby achieving the function of fixing the extension rod 214. The surface of the protrusion 22 and the block 27 are fixedly connected with a sealing ring 25.The sealing ring 25 is fixedly connected to the inner wall of the rectangular groove 21. Under the action of the sealing ring 25, the gas inside the rectangular groove 21 will not leak, thereby achieving a sealing effect. When the level ruler 1 needs to be extended, the extension rod 214 is rotated on the side of the level ruler 1. When the side of the extension rod 214 moves and squeezes toward the side of the level ruler 1, the protrusion 22 is squeezed into the inside of the rectangular groove 21. Under the action of the sealing ring 25, the gas inside the rectangular groove 21 will not leak, thereby achieving a sealing effect. Under the action of the baffle 26, the rectangular groove 21 is divided into a "concave" state. When the protrusion 22 is squeezed into the inside of the rectangular groove 21, the gas flows to the other air chamber, thereby increasing the gas in the other air chamber, thereby stretching the spring and the telescopic slide rod. Then, the block 27 is inserted into the groove. Under the action of the third spring 213, the trapezoidal block 28 can be pushed out of the groove body 211 and inserted into the square groove 215, thereby achieving the function of fixing the extension rod 214. Under the action of the magnetic block 29 and the iron plate, the extension rod 214 can be fixed together with the level ruler 1. When the extension rod 214 needs to be separated from the level ruler 1, the round rod 216 is squeezed inward, thereby causing the trapezoidal block 28 to be separated from the square groove 215. Then, under the traction of the spring, the block 27 moves into the rectangular groove 21, thereby pushing the gas into the air chamber containing the protrusion 22, so that the protrusion 22 extends out of the rectangular groove 21, and then the extension rod 214 is folded to the side of the level ruler 1, thereby achieving the function of extending the level ruler 1.

[0031] Reference Figure 5 The cleaning device 3 includes a long groove 31 opened on the side of the level ruler 1, a fixing rod 32 is fixedly connected inside the long groove 31, a slider 33 is slidably connected to the surface of the fixing rod 32, an L-shaped rod 35 is rotatably connected to the side of the slider 33, and a clamping rod 34 is inserted on the surface of the slider 33. Under the action of the L-shaped rod 35, the concrete slurry at the bottom of the level ruler 1 can be cleaned up, avoiding the bottom of the level ruler 1 from becoming uneven. A scraper 36 is fixedly connected to the surface of the L-shaped rod 35. The scraper 36 is arranged on one side of the L-shaped rod 35 close to the bottom of the level ruler 1. Under the action of the scraper 36, the L-shaped rod 3 The concrete slurry at the bottom of the level 1 can be cleaned cleanly and conveniently. When the bottom of the level 1 needs to be cleaned, the L-shaped rod 35 is rotated on the surface of the slider 33. When the L-shaped rod 35 is in close contact with the level 1, the slider 33 is slid on the surface of the fixing rod 32, so that the concrete slurry at the bottom of the level 1 is cleaned. When the cleaning is completed, the L-shaped rod 35 is rotated on the surface of the slider 33. When the L-shaped rod 35 is parallel to the side of the level 1, the clamping rod 34 is inserted into the inside of the L-shaped rod 35 to fix it, so as to achieve the effect of cleaning the bottom of the level 1.

[0032] Working principle: when it is necessary to use the ground level surveying instrument, when using the level ruler 1, place the level ruler 1 on the ground to be tested, and observe whether the flag inside the level bubble 4 is centered, so as to achieve the level detection. When it is necessary to extend the level ruler 1, rotate the extension rod 214 on the side of the level ruler 1. When the side of the extension rod 214 moves and squeezes toward the side of the level ruler 1, the protrusion 22 is squeezed into the inside of the rectangular groove 21. Under the action of the sealing ring 25, the gas inside the rectangular groove 21 will not leak. , thereby achieving a sealing effect. Under the action of the baffle 26, the rectangular groove 21 is divided into a "concave" state. When the protrusion 22 is pressed into the rectangular groove 21, the gas flows to the other air chamber, thereby increasing the gas in the other air chamber, thereby stretching the spring and the telescopic slide rod, thereby allowing the block 27 to be inserted into the groove. Under the action of the third spring 213, the trapezoidal block 28 can be pushed out of the groove body 211 and inserted into the square groove 215, thereby achieving the effect of fixing the extension rod 214. Under the action of the block 29 and the iron plate, the extension rod 214 can be fixed together with the level ruler 1. When the extension rod 214 needs to be separated from the level ruler 1, the round rod 216 is squeezed inward, so that the trapezoidal block 28 is separated from the square groove 215, and then the block 27 is pulled by the spring to move into the inside of the rectangular groove 21, and then the gas is pushed into the air chamber containing the protrusion 22, so that the protrusion 22 extends out of the rectangular groove 21, and then the extension rod 214 is folded to the side of the level ruler 1, thereby achieving the effect of extending the level ruler 1. When it is necessary to clean the bottom of the level 1, the L-shaped rod 35 is rotated on the surface of the slider 33. When the L-shaped rod 35 is in close contact with the level 1, the slider 33 is slid on the surface of the fixing rod 32, so that the concrete slurry at the bottom of the level 1 is cleaned. When the cleaning is completed, the L-shaped rod 35 is rotated on the surface of the slider 33. When the L-shaped rod 35 is parallel to the side of the level 1, the clamping rod 34 is inserted into the inside of the L-shaped rod 35 for fixing, thereby achieving the effect of cleaning the bottom of the level 1.

Claims

1. A ground levelness surveying instrument, comprising a level ruler (1), characterized in that: The side of the level (1) is provided with an extension device (2), the bottom of the level (1) is provided with a cleaning device (3), the surface of the level (1) is fixedly connected with a level bubble (4), the extension device (2) comprises a rectangular groove (21) opened on the side of the level (1), the side of the level (1) is rotatably connected with an extension rod (214), the inside of the rectangular groove (21) is fixedly connected with a baffle (26), the inside of the rectangular groove (21) is fixedly connected with a telescopic rod (23 ), one end of the telescopic rod (23) is fixedly connected with a protrusion (22), the surface of the telescopic rod (23) is sleeved with a first spring (24), the two ends of the first spring (24) are respectively fixedly connected to the inner wall of the rectangular groove (21) at the side of the protrusion (22), the interior of the rectangular groove (21) is fixedly connected with a telescopic slide rod, the surface of the telescopic slide rod is sleeved with a spring, one end of the telescopic slide rod is fixedly connected with a clamping block (27), and a trapezoidal block (28) is arranged inside the clamping block (27).

2. The ground level mapping instrument according to claim 1, characterized in that: A magnetic block (29) is fixedly connected to the surface of the protrusion (22), and an iron plate is fixedly connected to the side surface of the extension rod (214).

3. The ground level mapping instrument according to claim 2, characterized in that: A groove is provided on the side of the extension rod (214), a square groove (215) is provided on the inner wall of the groove, a round rod (216) is slidably connected inside the square groove (215), and a push plate is fixedly connected to one end of the round rod (216).

4. The ground level mapping instrument according to claim 3, characterized in that: A second spring (210) is sleeved on the surface of the round rod (216), and two ends of the second spring (210) are respectively fixedly connected to the surface of the extension rod (214) at one end of the round rod (216) away from the extension rod (214).

5. The ground level mapping instrument according to claim 4, characterized in that: A groove body (211) is provided on the side of the clamping block (27), a damping rod (212) is fixedly connected inside the groove body (211), one end of the damping rod (212) is fixedly connected to a trapezoidal block (28), a third spring (213) is sleeved on the surface of the damping rod (212), and the larger two ends of the third spring (213) are respectively fixedly connected to the side of the trapezoidal block (28) and the inner wall of the groove body (211).

6. The ground level mapping instrument according to claim 5, characterized in that: A sealing ring (25) is fixedly connected to the surfaces of the protrusion (22) and the clamping block (27), and the sealing ring (25) is fixedly connected to the inner wall of the rectangular groove (21).

7. The ground level mapping instrument according to claim 6, characterized in that: The cleaning device (3) comprises a long groove (31) provided on the side of the level ruler (1); a fixing rod (32) is fixedly connected inside the long groove (31); a sliding block (33) is slidably connected to the surface of the fixing rod (32); an L-shaped rod (35) is rotatably connected to the side of the sliding block (33); and a clamping rod (34) is inserted into the surface of the sliding block (33).

8. The ground level mapping instrument according to claim 7, characterized in that: A scraper strip (36) is fixedly connected to the surface of the L-shaped rod (35), and the scraper strip (36) is arranged on one side of the L-shaped rod (35) close to the bottom of the level ruler (1).

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