Automatic vertical measuring instrument

Abstract

The utility model relates to the technical field of vertical measuring instruments, in particular to an automatic vertical measuring instrument. The vertical measuring instrument comprises a connecting plate and a replacing structure, the upper surface of the connecting plate is provided with a fixing plate, the upper surface of the fixing plate is rotatably connected with a rotating column, the upper surface of the rotating column is fixedly connected with a vertical measuring instrument body, the inner wall of the connecting plate is provided with a supporting structure, the supporting structure comprises three connecting grooves, and the three connecting grooves are arranged in the connecting plate. The inner wall of the connecting groove is fixedly connected with a rotating column, the inner wall of the rotating column is provided with a plurality of limiting grooves, the arc surface of the rotating column is rotatably connected with a rotating plate, the inner wall of the rotating plate is slidably connected with a moving plate, the side, close to the rotating plate, of the moving plate is fixedly connected with a clamping block, and the inner wall of the moving plate is rotatably connected with a threaded rod. The tripod solves the problems that a rotating plate is not provided with a fixing device, so that the rotating plate can only adjust one angle, multi-angle adjustment is inconvenient, and the applicability of the tripod is low.

Description

Technical Field

[0001] The utility model relates to the technical field of vertical measuring instruments, in particular to an automatic vertical measuring instrument. Background Art

[0002] A vertical measuring instrument is an automatic vertical measuring instrument composed of a fixed plate, a rotating column, a vertical measuring instrument body and a connecting plate. It is mainly used for acceptance of buildings and is relatively common in the prior art.

[0003] In the prior art, a person directly adjusts the angle of the rotating plate, rotates the rotating plate to the limit, and then adjusts the length of the adjustment plate and fixes the adjustment plate. After the fixing is completed, the tripod is directly set on the ground. Since the rotating plate is not provided with a fixing device, the rotating plate can only be adjusted to one angle, which is not convenient for adjusting multiple angles, thereby resulting in the problem of low applicability of the tripod. Utility Model Content

[0004] The utility model aims to solve the disadvantages in the prior art that the rotating plate has no fixing device, so that the rotating plate can only adjust one angle and is not convenient for adjusting multiple angles, thereby resulting in less applicability of the tripod, and an automatic vertical measuring instrument is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an automatic vertical measuring instrument, including a connecting plate and a replacement structure, the upper surface of the connecting plate is provided with a fixed plate, the upper surface of the fixed plate is rotatably connected with a rotating column, the upper surface of the rotating column is fixedly connected with a vertical measuring instrument body, the inner wall of the connecting plate is provided with a supporting structure, the supporting structure includes three connecting grooves, the inner wall of the connecting groove is fixedly connected with a rotating column, the inner wall of the rotating column is provided with a plurality of limiting grooves, the circular arc surface of the rotating column is rotatably connected with a rotating plate, the inner wall of the rotating plate is slidably connected with a moving plate, The movable plate is fixedly connected with a clamping block on one side close to the rotating plate, and the inner wall of the movable plate is rotatably connected with a threaded rod, and the threaded rod is threadedly connected to the rotating plate, and the inner wall of the rotating plate is slidably connected with an adjusting plate, and the inner wall of the adjusting plate is provided with an auxiliary groove, and the inner wall of the auxiliary groove is slidably connected with a screw rod, and the arc surfaces at both ends of the screw rod are provided with opposite threads, and the arc surfaces of the screw rod are threadedly connected with two extrusion plates and two positioning plates, the two positioning plates are fixedly connected to the rotating plate, and one end of the screw rod is fixedly connected with a connecting column, and a support block is installed on the side of the adjusting plate away from the rotating plate with the aid of a replacement structure.

[0006] The effect achieved by the above components is: by setting up the auxiliary structure, when personnel need to use the vertical measuring instrument body for measurement, the personnel can first adjust the angle of the rotating plate and the length of the adjusting plate, and then fix the rotating plate and the adjusting plate by rotating the threaded rod and the screw, so that the personnel can quickly adjust the rotating plate and the adjusting plate.

[0007] Preferably, an auxiliary rod is fixedly connected to the inner wall of the threaded rod, and the cross section of the auxiliary rod is circular.

[0008] The effect achieved by the above components is that the auxiliary rod can facilitate personnel to rotate the threaded rod, thereby improving the convenience of personnel's operation.

[0009] Preferably, the inner wall of the movable plate is slidably connected to a limit rod, and the limit rod is fixedly connected to the rotating plate.

[0010] The effect achieved by the above components is that the limiting rod can limit the movable plate, and can prevent the movable plate from being misplaced when sliding on the inner wall of the rotating plate.

[0011] Preferably, a pressing pad is fixedly connected to one side of the two pressing plates close to each other, and the cross-section of the pressing pad is rectangular.

[0012] The effects achieved by the above components are: the extrusion pad can protect the adjustment plate and the extrusion plate, and can avoid significant wear on the adjustment plate and the extrusion plate during short-term use.

[0013] Preferably, the inner wall of the connecting column is provided with a plurality of anti-skid grooves, and the anti-skid grooves are evenly arranged on the connecting column.

[0014] The effect achieved by the above components is that the anti-skid groove can increase the friction between the person's hand and the connecting column, and can prevent the person from slipping when rotating the connecting column.

[0015] Preferably, a replacement structure is provided on the side of the adjusting plate away from the rotating plate, and the replacement structure includes a connecting plate, the connecting plate is fixedly connected to the adjusting plate, one side of the connecting plate is fixedly connected to a fixed block, the inner wall of the fixed block is slidably connected to the limiting block, the limiting block is slidably connected to the connecting plate, the limit block is fixedly connected to a mounting post on the side away from the connecting plate, the mounting post is slidably connected to the fixed block, one end of the mounting post away from the limiting block is fixedly connected to a pull ring, the arc surface of the mounting post is sleeved with a spring, two ends of the spring are respectively fixedly connected to the limiting block and the fixed block, the inner wall of the connecting plate is slidably connected to a positioning block, the inner wall of the positioning block is provided with a mounting groove, the mounting groove is slidably connected to the limiting block, and the positioning block is fixedly connected to the supporting block.

[0016] The effect achieved by the above-mentioned components is: by setting up a replacement structure, when encountering more complicated terrain conditions, personnel can move the pull ring to move the limit block away from the installation groove, and then move the support block to make the positioning block slide out of the inner wall of the positioning groove. At this time, personnel can replace the support block suitable for the complicated terrain conditions. By setting up a replacement structure, personnel can quickly replace the support block.

[0017] Preferably, a guide block is fixedly connected to a side of the positioning block away from the supporting block, and the guide block is slidably connected to the positioning groove.

[0018] The effect achieved by the above components is that the guide block can guide the positioning block, which can facilitate personnel to slide the positioning block into the inner wall of the positioning groove.

[0019] In summary, the beneficial effects of the utility model are:

[0020] In the utility model, when the personnel need to use the vertical measuring instrument body for acceptance, the personnel can first adjust the tripod to a suitable length and angle to ensure that the connecting plate is in a horizontal position, and then the personnel can place the vertical measuring instrument body in the middle of the connecting plate, and then start the vertical measuring instrument body to make the laser correspond to the reserved point on the ground, and then the personnel watch the vertical measuring instrument body to make the comparison point in the vertical measuring instrument body correspond to the cross point of the laser plate above, and then the vertical measuring instrument body can automatically measure the verticality here. When the personnel are placing the support frame, the personnel first rotate the rotating plate to make the three rotating plates face each other. The movable plate drives the limit rod, the threaded rod, the movable plate, the adjustment plate and the two positioning plates to rotate in the direction in which the three movable plates are away from each other. When the movable plates are moved to a suitable position, the personnel drives the threaded rod to rotate with the help of the auxiliary rod, wherein the auxiliary rod can facilitate the personnel to rotate the threaded rod, which can improve the personnel's operation convenience. Then the threaded rod drives the movable plate to move in the direction close to the movable plate, and the movable plate slides on the arc surface of the limit rod, wherein the limit rod can limit the movable plate, which can prevent the movable plate from being misplaced when sliding on the inner wall of the movable plate. Then the movable plate also drives the card block to move in the direction close to the limit slot. When the adjustment plate is in the working state, the adjustment plate is moved to a certain position, and the adjustment plate is moved in a certain direction to move the adjusting plate away from the rotating plate. When the adjustment plate is in the working state, the adjustment plate drives the supporting block to move in the direction away from the rotating plate with the help of the replacement structure. When the adjustment plate is moved to a suitable position, the adjustment plate rotates the connecting column, and the connecting column drives the screw rod to rotate, and the screw rod drives the two extrusion plates to move in the direction close to each other. The two extrusion plates respectively drive the extrusion pads to move in the direction close to the adjustment plate. The extrusion pads can protect the adjustment plate and the extrusion plate, and can avoid greater wear and tear on the adjustment plate and the extrusion plate during short-term use. Until the extrusion pad and the adjustment plate are squeezed against each other, at this time the connecting plate is just in a horizontal position, and then the personnel moves the vertical measuring instrument body, the measuring instrument plate drives the rotating column, and the rotating column drives the fixed plate, so that the fixed plate is located in the middle of the connecting plate. At this time, the personnel can start the vertical measuring instrument body, and the vertical measuring instrument body will automatically measure. The anti-slip groove on the inner wall of the connecting column can increase the friction between the personnel's hands and the connecting column, and can prevent the personnel from slipping when rotating the connecting column. By setting the supporting structure, the rotating plate and the adjusting plate can be adjusted conveniently, quickly and fixedly, thereby improving the applicability and stability of the tripod.

[0021] In the utility model, when encountering more complicated terrain conditions and personnel need to place the vertical measuring instrument body steadily, the personnel can first use the pull ring to drive the installation column to move in the direction away from the fixed block, and the installation column drives the limit block to move in the direction away from the installation slot, and the limit block drives the spring to contract until the limit block slides out of the inner wall of the installation slot. At this time, the personnel moves the support block to make the support block move in the direction away from the connecting plate, and the support block drives the positioning block and the guide block to move in the direction away from the connecting plate, wherein the guide block can guide the positioning block, which can facilitate the personnel to slide the positioning block into the inner wall of the positioning slot until the guide block slides out of the inner wall of the positioning slot, and then the personnel can replace the support block. By setting the replacement structure, the effect of facilitating the personnel to quickly replace the support block is achieved, thereby speeding up the work efficiency of the personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 This is a schematic diagram of the support structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the local structure of the support structure of the utility model;

[0025] Figure 4 For this utility model Figure 3 Schematic diagram of the local structure;

[0026] Figure 5 For this utility model Figure 3 A magnified image of point A;

[0027] Figure 6 This is a schematic diagram of the replacement structure of the utility model;

[0028] Figure 7 This is a schematic diagram of the split structure of the replacement structure of the utility model.

[0029] Legend: 1. Fixed plate; 2. Rotating column; 3. Vertical measuring instrument body; 4. Support structure; 401. Connecting groove; 402. Rotating column; 403. Rotating plate; 404. Limiting groove; 405. Threaded rod; 406. Limiting rod; 407. Auxiliary rod; 408. Moving plate; 409. Block; 410. Adjusting plate; 411. Auxiliary groove; 412. Positioning plate; 413. Extrusion plate; 414. Extrusion pad; 415. Screw rod; 416. Connecting column; 417. Anti-skid groove; 418. Support block; 5. Replacement structure; 501. Connecting plate; 502. Positioning groove; 503. Positioning block; 504. Guide block; 505. Mounting groove; 506. Fixed block; 507. Limiting block; 508. Spring; 509. Pull ring; 510. Mounting column; 6. Connecting plate. DETAILED DESCRIPTION

[0030] Reference Figure 1 As shown, the utility model provides a technical solution: an automatic vertical measuring instrument, including a connecting plate 6 and a replacement structure 5, a fixed plate 1 is provided on the upper surface of the connecting plate 6, a rotating column 2 is rotatably connected to the upper surface of the fixed plate 1, a vertical measuring instrument body 3 is fixedly connected to the upper surface of the rotating column 2, a supporting structure 4 is provided on the inner wall of the connecting plate 6, and a replacement structure 5 is provided on the side of the adjusting plate 410 away from the rotating plate 403.

[0031] The specific settings and functions of the support structure 4 and the replacement structure 5 are described in detail below.

[0032] Reference Figures 2 to 5As shown, in this embodiment: the support structure 4 includes three connecting grooves 401, the inner wall of the connecting groove 401 is fixedly connected with a rotating column 402, the inner wall of the rotating column 402 is provided with a plurality of limiting grooves 404, the arc surface of the rotating column 402 is rotatably connected with a rotating plate 403, the inner wall of the rotating plate 403 is slidably connected with a moving plate 408, a clamping block 409 is fixedly connected to the side of the moving plate 408 close to the rotating plate 403, the inner wall of the moving plate 408 is rotatably connected with a threaded rod 405, the threaded rod 405 is threadedly connected to the rotating plate 403, the inner wall of the rotating plate 403 is slidably connected with an adjusting plate 410, and the inner wall of the adjusting plate 410 is provided with an auxiliary groove 411, the inner wall of the auxiliary groove 411 is slidably connected with a screw rod 415, and the arc surfaces at both ends of the screw rod 415 are provided with opposite threads. The arc surface of the screw rod 415 is threadedly connected with two extrusion plates 413 and two positioning plates 412, and the two positioning plates 412 are fixedly connected to the rotating plate 403. One end of the screw rod 415 is fixedly connected with a connecting column 416, and the side of the adjustment plate 410 away from the rotating plate 403 is installed with a support block 418 by means of a replacement structure 5. By setting the auxiliary structure, when personnel need to use the vertical measuring instrument body 3 for measurement, the personnel can first adjust the angle of the rotating plate 403 and the length of the adjustment plate 410, and then The rotating plate 403 and the adjusting plate 410 are then fixed by rotating the threaded rod 405 and the screw rod 415, so that the personnel can quickly adjust the rotating plate 403 and the adjusting plate 410. The inner wall of the threaded rod 405 is fixedly connected with an auxiliary rod 407, and the cross section of the auxiliary rod 407 is circular. The auxiliary rod 407 can facilitate personnel to rotate the threaded rod 405, which can improve the convenience of personnel operation. The inner wall of the moving plate 408 is slidably connected with the limiting rod 406, and the limiting rod 406 is fixedly connected to the rotating plate 403. The limiting rod 406 can limit the moving plate 408 to prevent the moving plate 408 from moving on the rotating plate 40 3 is misaligned when sliding, and a squeezing pad 414 is fixedly connected to the side where the two squeezing plates 413 are close to each other. The cross-section of the squeezing pad 414 is rectangular, and the squeezing pad 414 can protect the adjusting plate 410 and the squeezing plate 413, and can avoid greater wear on the adjusting plate 410 and the squeezing plate 413 during short-term use. The inner wall of the connecting column 416 is provided with a plurality of anti-skid grooves 417, and the anti-skid grooves 417 are evenly provided on the connecting column 416. The anti-skid grooves 417 can increase the friction between the hand of the person and the connecting column 416, and can prevent the person from slipping when rotating the connecting column 416.

[0033] Reference Figure 6 and Figure 7As shown, in this embodiment: the replacement structure 5 includes a connecting plate 501, the connecting plate 501 is fixedly connected to the adjustment plate 410, a fixed block 506 is fixedly connected to one side of the connecting plate 501, the inner wall of the fixed block 506 is slidably connected to the limiting block 507, the limiting block 507 is slidably connected to the connecting plate 501, a mounting column 510 is fixedly connected to the side of the limiting block 507 away from the connecting plate 501, the mounting column 510 is slidably connected to the fixed block 506, a pull ring 509 is fixedly connected to one end of the mounting column 510 away from the limiting block 507, a spring 508 is sleeved on the arc surface of the mounting column 510, and the two ends of the spring 508 are respectively fixedly connected to the limiting block 507 and the fixed block 506, a positioning block 503 is slidably connected to the inner wall of the connecting plate 501, and a mounting groove 505 is provided on the inner wall of the positioning block 503. The groove 505 is slidably connected to the limit block 507, and the positioning block 503 is fixedly connected to the support block 418. By setting up the replacement structure 5, when encountering more complicated terrain conditions, the personnel can move the pull ring 509 to make the limit block 507 away from the installation groove 505, and then move the support block 418 to make the positioning block 503 slide out of the inner wall of the positioning groove 502. At this time, the personnel can replace the support block 418 suitable for complicated terrain conditions. By setting up the replacement structure 5, it is convenient for personnel to quickly replace the support block 418. The side of the positioning block 503 away from the support block 418 is fixedly connected with a guide block 504, and the guide block 504 is slidably connected to the positioning groove 502. The guide block 504 can guide the positioning block 503, which can facilitate personnel to slide the positioning block 503 into the inner wall of the positioning groove 502.

[0034] Working principle: when personnel need to use the vertical measuring instrument body 3 for acceptance, they can first adjust the tripod to the appropriate length and angle to ensure that the connecting plate 6 is in a horizontal position, and then place the vertical measuring instrument body 3 in the middle of the connecting plate 6, and then start the vertical measuring instrument body 3 to make the laser correspond to the reserved point on the ground. Then, when the personnel watch the vertical measuring instrument body 3, make the comparison point in the vertical measuring instrument body 3 correspond to the cross point of the laser plate above. At this time, the vertical measuring instrument body 3 can automatically calculate the verticality here. When the personnel are placing the support frame, the personnel first rotate the rotating plate 403 to make the three rotating plates 403 rotate in the direction away from each other, and the rotating plate 403 drives the limit rod. 406, threaded rod 405, movable plate 408, adjustment plate 410 and two positioning plates 412 rotate in the direction in which the three rotating plates 403 are away from each other. When they are moved to a suitable position, the personnel drive the threaded rod 405 to rotate with the help of auxiliary rod 407, wherein the auxiliary rod 407 can facilitate the personnel to rotate the threaded rod 405, which can improve the personnel's operation convenience. Then the threaded rod 405 drives the movable plate 408 to move in the direction close to the rotating plate 403, and the movable plate 408 slides on the arc surface of the limiting rod 406, wherein the limiting rod 406 can limit the movable plate 408 to prevent the movable plate 408 from being misaligned when sliding on the inner wall of the rotating plate 403. Then the movable plate 408 also drives the block 409 to The connecting plate 410 is moved in the direction close to the limit groove 404 until the block 409 slides into the inside of the limit groove 404. When the height of the connecting plate 6 needs to be adjusted, the personnel can first move the adjusting plate 410 to move the adjusting plate 410 in the direction away from the rotating plate 403. The adjusting plate 410 drives the supporting block 418 to move in the direction away from the rotating plate 403 with the help of the replacement structure 5. When it moves to a suitable position, the personnel rotates the connecting column 416, and the connecting column 416 drives the screw rod 415 to rotate. The screw rod 415 drives the two extrusion plates 413 to move in the direction close to each other. The two extrusion plates 413 respectively drive the extrusion pads 414 to move in the direction close to the adjusting plate 410, wherein the extrusion pads 414 can protect the adjusting plate 41 0 and the squeezing plate 413 can avoid greater wear on the adjusting plate 410 and the squeezing plate 413 during short-term use, until the squeezing pad 414 and the adjusting plate 410 squeeze each other, at which time the connecting plate 6 is just in a horizontal position, and then the personnel moves the vertical measuring instrument body 3, the measuring instrument plate drives the rotating column 2, and the rotating column 2 drives the fixed plate 1, so that the fixed plate 1 is located in the middle of the connecting plate 6, then the personnel can start the vertical measuring instrument body 3, and the vertical measuring instrument body 3 will automatically measure, wherein the anti-skid groove 417 provided on the inner wall of the connecting column 416 can increase the friction between the personnel's hand and the connecting column 416, and can prevent the personnel from slipping when rotating the connecting column 416, and by setting the support structure 4,It is convenient for people to quickly and fixedly adjust the rotating plate 403 and the adjusting plate 410, thereby improving the applicability and stability of the tripod.

[0035] In addition, when encountering more complicated terrain conditions and the personnel need to place the vertical measuring instrument body 3 steadily, the personnel can first use the pull ring 509 to drive the installation column 510 to move away from the fixed block 506, and the installation column 510 drives the limit block 507 to move away from the installation groove 505, and the limit block 507 drives the spring 508 to contract until the limit block 507 slides out of the inner wall of the installation groove 505. At this time, the personnel moves the support block 418 to move the support block 418 away from the connecting plate 501, and the support block 418 is moved to the direction away from the connecting plate 501. Block 418 drives the positioning block 503 and the guide block 504 to move in the direction away from the connecting plate 501, wherein the guide block 504 can guide the positioning block 503, so that personnel can slide the positioning block 503 into the inner wall of the positioning groove 502 conveniently until the guide block 504 slides out of the inner wall of the positioning groove 502. At this time, personnel can replace the support block 418. By setting the replacement structure 5, the effect of allowing personnel to quickly replace the support block 418 is achieved, thereby speeding up the work efficiency of personnel.

[0036] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

Claims

1. An automatic vertical measuring instrument, comprising a connecting plate (6) and a replacement structure (5), characterized in that: The upper surface of the connecting plate (6) is provided with a fixed plate (1), the upper surface of the fixed plate (1) is rotatably connected to a rotating column (2), the upper surface of the rotating column (2) is fixedly connected to a vertical measuring instrument body (3), the inner wall of the connecting plate (6) is provided with a supporting structure (4), the supporting structure (4) comprises three connecting grooves (401), the inner wall of the connecting groove (401) is fixedly connected to a rotating column (402), the inner wall of the rotating column (402) is provided with a plurality of limiting grooves (404), the circular arc surface of the rotating column (402) is rotatably connected to a rotating plate (403), the inner wall of the rotating plate (403) is slidably connected to a moving plate (408), a clamping block (409) is fixedly connected to a side of the moving plate (408) close to the rotating plate (403), and the inner wall of the moving plate (408) is provided with a plurality of limiting grooves (404). A threaded rod (405) is rotatably connected, and the threaded rod (405) is threadedly connected to the rotating plate (403). The inner wall of the rotating plate (403) is slidably connected to an adjustment plate (410). The inner wall of the adjustment plate (410) is provided with an auxiliary groove (411). The inner wall of the auxiliary groove (411) is slidably connected to a screw rod (415). The arc surfaces at both ends of the screw rod (415) are provided with opposite threads. The arc surfaces of the screw rod (415) are threadedly connected to two extrusion plates (413) and two positioning plates (412). The two positioning plates (412) are fixedly connected to the rotating plate (403). One end of the screw rod (415) is fixedly connected to a connecting column (416). A support block (418) is installed on the side of the adjustment plate (410) away from the rotating plate (403) with the help of a replacement structure (5).

2. An automatic vertical measuring instrument according to claim 1, characterized in that: An auxiliary rod (407) is fixedly connected to the inner wall of the threaded rod (405), and the cross section of the auxiliary rod (407) is circular.

3. The automatic vertical measuring instrument according to claim 1, characterized in that: The inner wall of the movable plate (408) is slidably connected to a limit rod (406), and the limit rod (406) is fixedly connected to the rotating plate (403).

4. The automatic vertical measuring instrument according to claim 1, characterized in that: A pressing pad (414) is fixedly connected to one side of the two pressing plates (413) close to each other, and the cross section of the pressing pad (414) is rectangular.

5. The automatic vertical measuring instrument according to claim 1, characterized in that: The inner wall of the connecting column (416) is provided with a plurality of anti-slip grooves (417), and the anti-slip grooves (417) are evenly arranged on the connecting column (416).

6. The automatic vertical measuring instrument according to claim 1, characterized in that: A replacement structure (5) is provided on a side of the adjustment plate (410) away from the rotating plate (403), and the replacement structure (5) comprises a connecting plate (501), the connecting plate (501) is fixedly connected to the adjustment plate (410), a fixing block (506) is fixedly connected to one side of the connecting plate (501), a limiting block (507) is slidably connected to the inner wall of the fixing block (506), the limiting block (507) is slidably connected to the connecting plate (501), a mounting column (510) is fixedly connected to the side of the limiting block (507) away from the connecting plate (501), and the mounting column (510) is connected to the fixing block (510). 506) is slidably connected, one end of the mounting column (510) away from the limit block (507) is fixedly connected with a pull ring (509), the arc surface of the mounting column (510) is sleeved with a spring (508), the two ends of the spring (508) are respectively fixedly connected to the limit block (507) and the fixed block (506), the inner wall of the connecting plate (501) is slidably connected with a positioning block (503), the inner wall of the positioning block (503) is provided with a mounting groove (505), the mounting groove (505) is slidably connected to the limit block (507), and the positioning block (503) is fixedly connected to the support block (418).

7. An automatic vertical measuring instrument according to claim 6, characterized in that: A guide block (504) is fixedly connected to one side of the positioning block (503) away from the support block (418), and the guide block (504) is slidably connected to the positioning groove (502).

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