CN115126974A - A measuring device for intelligently detecting the verticality of bridge piers - Google Patents

Abstract

The invention discloses a measuring device for intelligently detecting the verticality of bridge piers. They are all rotatably connected to the support ring, the connection between the support rod and the support ring is provided with a first limit piece, the upper end of the support rod is provided with a groove, and a moving mechanism is arranged in the groove, and the moving mechanism is connected to the tripod and supports The other end of the rod is connected with a turntable, the shaft side of the turntable is provided with a telescopic rod, the telescopic rod is rotatably connected to the turntable, the supporting rods are all provided with a fixing mechanism, and the other end of the telescopic rod is provided with a support. The present invention forms a chassis for supporting the tripod through the supporting ring, the supporting rod, the moving mechanism, the turntable, the telescopic rod and the supporting piece. , Set up a relatively horizontal platform, the tripod is not easy to fall, and the measurement results are guaranteed.

Description

A measuring device for intelligently detecting the verticality of bridge piers

technical field

The invention relates to the technical field of measuring instruments, in particular to a measuring device for intelligently detecting the verticality of bridge piers.

Background technique

The verticality of bridge piers will directly affect the stress state of the bridge structure, so efficient and accurate verticality detection is very necessary.

At present, the commonly used pier verticality detection methods include plumb line method, theodolite method, and total station method. The plumb line method relies entirely on manual manual measurement, which is cumbersome and its accuracy is affected by the wind speed of the environment. Although the theodolite method greatly improves the measurement accuracy compared with the plumb line method, it needs to use a steel ruler to measure the distance between the instrument and the pier, and it needs to erect the instrument several times, which is greatly affected by the terrain; and the total station method has The accuracy is similar to the theodolite method, and it is more intelligent. It does not need to set up the instrument several times, and it is more convenient to use.

At present, the total station is mostly used with a tripod. If it is used on a hard and slippery ground, the tip of the tripod is easy to slip, and it is easy to cause the tripod to tilt and fall due to instability, collision, etc. The total station is broken or damaged, especially the total station is high-precision testing equipment and high-performance equipment. If it is damaged by falling, it will cause serious economic losses. When used in a soft place, the total station itself The mass sinks slowly, affecting the measurement results.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a measuring device for intelligently detecting the verticality of bridge piers. By setting a relatively horizontal base, the base can be adapted to different ground conditions in various ways, and then the tripod is installed on the base for use , in order to solve the problem that the tripod is unstable in special terrain.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions:

A measuring device for intelligently detecting the verticality of bridge piers, comprising a total station and a tripod, wherein the total station is installed on the top of the tripod, a support ring is arranged under the tripod, and the support Three support rods are evenly arranged on the peripheral side of the ring, one end of each support rod is rotatably connected to the support ring, the support rod can rotate in a vertical plane, and the connection between the support rod and the support ring is provided with a third A limit piece, the first limit piece is used to limit the support rod to continue to rotate upward from a horizontal state, the upper end of the support rod is provided with a groove along the length direction of the support rod, and the groove is provided with a moving mechanism, the moving mechanism is detachably connected to the pointed end of the tripod, the end of the support rod away from the support ring is rotatably connected with a turntable, the axis of the turntable is connected to the length direction of the support rod In parallel, at least two telescopic rods are evenly arranged on the shaft side of the turntable, each telescopic rod is provided with an adjustment knob, the telescopic rod is rotatably connected to the turntable, the telescopic rod can rotate up and down, and each support Each of the rods is provided with a fixing mechanism in which the telescopic rod is fixed vertically downward, and one end of each telescopic rod away from the turntable is respectively provided with different types of supports.

The present invention is further provided as follows: the moving mechanism includes a slider, a battery, a microprocessor, a rotating motor, a gear, a rack, a second limit piece and a connecting sleeve, and the slider is clamped in the groove , the sliding block is slidingly matched with the groove, the battery, the microprocessor and the rotating motor are all arranged in the sliding block, the battery and the rotating motor are all electrically connected to the microprocessor, and the gear device is Outside the slider, the output shaft of the rotating motor is connected to the gear, the rack is arranged in the groove along the length direction of the groove, the gear is engaged with the rack, the The upper end of the connecting sleeve is open, the bottom of the connecting sleeve is rotatably connected to the upper end of the sliding block, the connecting sleeve can rotate on a vertical plane above the horizontal plane, and the second limiting piece is arranged on the connecting sleeve At the connection with the slider, the connection sleeve is prevented from rotating to the side away from the support ring in a vertical state, and the connection sleeve is arranged on the pointed end of the tripod.

The present invention is further provided as follows: the moving mechanism further includes a wireless transmission module and a remote control, the wireless transmission module is arranged in the slider, the wireless transmission module is electrically connected to the microprocessor, and the micro The process is wirelessly connected to the remote control through the wireless transmission module.

The present invention is further provided as follows: the types of the supports include anti-skid blocks, universal wheels with brakes, baffles with tips and suction cups, and the supports are connected to the telescopic rods in a one-to-one correspondence.

The present invention is further provided as follows: the side of the telescopic rod close to the support rod is provided with a positioning hole, the fixing mechanism includes an installation rod, a screw rod and a handle, and the installation rod is vertically arranged on the support rod away from the supporting rod. The lower end of one end of the support ring, the mounting rod is provided with a screw hole corresponding to the position of the positioning hole, and one end of the screw rod is connected to the positioning hole through the internal thread of the screw hole, and the screw rod is connected to the positioning hole. The handle is connected to the other end of the screw in cooperation with the screw hole thread.

The present invention is further provided as follows: the tripod includes a mounting seat, a first connecting block, a vertical rod, a second connecting block, a locking mechanism and a sliding rod, and three of the first connecting blocks are evenly hinged to the At the lower end of the mounting seat, there are six of the vertical rods, and every two of them are respectively connected to one end of the first connecting block away from the mounting seat, and the second connecting block is connected to the other end of the vertical rod, The second connecting block is provided with a sliding hole between the two vertical rods, the sliding rod is inserted in the sliding hole, the sliding rod is slidably matched with the sliding hole, and the locking mechanism is arranged on the sliding hole. The rod is close to one end of the first connecting block, and the locking mechanism cooperates with the vertical rod.

The present invention is further provided as follows: the locking mechanism includes a casing, a rotating shaft, a handle, a return spring, a pressing plate, a connecting rod, a cam, a mounting plate and a rubber sheet, and the casing is provided with a mounting cavity and two through-shells A slideway of the body, the slideway is slidably matched with the vertical rod, one end of the rotating shaft is inserted into the installation cavity and forms a rotating fit with the housing, and the handle is connected to the other end of the rotating shaft, The cam is elliptical, the cam is connected to the rotating shaft, the pressing plate is vertically arranged on opposite sides of the cam close to the slideway, and one end of the connecting rod is connected to the pressing plate On the side away from the cam, the return spring is sleeved on the connecting rod, the other end of the connecting rod is horizontally inserted into the slideway and connected to the mounting plate, the connecting rod is slidingly matched with the housing, the The rubber sheet is attached to the side of the mounting plate away from the connecting rod, and the side of the slideway close to the mounting cavity has a slot. When the return spring is in a natural state, the mounting plate and the The rubber sheet is shrunk in the slot, and when the return spring is compressed, the rubber sheet is pressed on the vertical rod.

The present invention is further provided as follows: the side of the cam close to the first connecting block and the side close to the second connecting block are provided with a first plane, and the cam is close to the opposite sides of the slideway There is a second plane.

To sum up, the present invention has the following beneficial effects:

First, the present invention forms a chassis for supporting the tripod through the supporting ring, the supporting rod, the moving mechanism, the turntable, the telescopic rod and the supporting piece. The leveling, forming a relatively horizontal platform, the tripod placed on the top is not easy to fall, to ensure the measurement results.

Second, the moving mechanism in the present invention can automatically adjust the position of each leg of the tripod through gears and racks, and does not need to be pushed by hand, and the adjustment is convenient and accurate.

Third, the anti-skid block in the present invention can be used in hard and smooth places to ensure the stability of the device, and the universal wheel with brake can also be used in hard and smooth places, but it is easy to move and suitable for flat places. The baffle with a tip is suitable for inserting the tip into the soil in a soft place, and the baffle can prevent the device from sinking. The suction cup needs to be used in a smooth place, but it has strong stability and can be adapted to different ground conditions with different supports .

Fourth, the tripod in the present invention fixes the sliding rod by rotating the cam to let the rubber sheet press the sliding rod, which is easy to operate and will not cause damage to the sliding rod.

Description of drawings

Fig. 1 is the front view in the present invention;

Fig. 2 is the partial structure schematic diagram of the support member in the present invention;

3 is a partial cross-sectional view of the moving mechanism in the present invention;

4 is a partial cross-sectional view of the rotating electrical machine in the present invention;

5 is a partial cross-sectional view of the locking mechanism in the present invention;

FIG. 6 is a partial cross-sectional view of the fixing mechanism in the present invention.

In the figure: 1. Total station; 2. Tripod; 21. Mounting seat; 22. The first connecting block; 23. Upright pole; 24. The second connecting block; 25. Sliding rod; 26. Sliding hole; 3. Support ring; 4, support rod; 41, first limit piece; 42, groove; 43, turntable; 44, telescopic rod; 441, positioning hole; 45, adjustment knob; 5, moving mechanism; 51, slider; 52, battery; 53, rotating motor; 54, gear; 55, rack; 56, second limit piece; 57, connecting sleeve; 61, anti-skid block; 62, universal wheel; 63, baffle plate; 71, installation Rod; 72, screw; 73, handle; 74, screw hole; 8, locking mechanism; 81, housing; 811, slide; 812, installation cavity; 813, card slot; 82, shaft; 83, handle; 84 , return spring; 85, pressing plate; 86, connecting rod; 87, cam; 88, mounting plate; 89, rubber sheet.

Detailed ways

The present invention will be further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer" and the like indicate the orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore It should not be construed as a limitation of the present invention.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arranged", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; it can be a mechanical connection, a direct connection, an indirect connection through an intermediate medium, or an internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

An embodiment, a measuring device for intelligently detecting the verticality of bridge piers, as shown in Figures 1 to 6, includes a total station 1 and a tripod 2. Specifically, the total station 1 is a common Station 1, so I won't go into details. The total station 1 is installed on the top of a tripod 2, a support ring 3 is arranged below the tripod 2, and three support rods 4 are evenly arranged on the peripheral side of the support ring 3, and one end of each support rod 4 is rotatably connected to the support ring 3. The support rod 4 can be rotated in a vertical plane. The connection between the support rod 4 and the support ring 3 is provided with a first limit piece 41, and the first limit piece 41 is used to limit the support rod 4 to continue upward from a horizontal state. Rotation, specifically, after the support is supported on the ground, the limit of the first limit piece 41 can reduce the fixation of the connection between the support rod 4 and the support ring 3, but the support rod 4 can be rotated upward to store, and the It is fixed by elements such as ropes or buckles, which is convenient for storage. The upper end of the support rod 4 is provided with a groove 42 along the length direction of the support rod 4. The groove 42 is provided with a moving mechanism 5. The moving mechanism 5 is detachably connected to the pointed end of the tripod 2, and the support rod 4 is far away from the support ring 3. A turntable 43 is rotatably connected to one end of the turntable 43, the axis of the turntable 43 is parallel to the length direction of the support rod 4, and at least two telescopic rods 44 are evenly arranged on the axial side of the turntable 43. Specifically, in this embodiment, each turntable 43 is provided with There are three telescopic rods 44. Of course, two or four rods can also be used without affecting the protection scope of the present invention. Each telescopic rod 44 is provided with an adjustment knob 45, and the telescopic rod 44 is rotatably connected to the turntable 43. The telescopic rod 44 It can be rotated up and down, and each support rod 4 is provided with a fixing mechanism that is fixed on the telescopic rod 44 in a vertically downward state. The end of each telescopic rod 44 away from the turntable 43 is respectively provided with different types of supports. It is said that the more types of supports, the stronger the adaptability.

In detail, the support ring 3 needs to cover the measured point when in use, and is preferably concentric with the measured point, so as to facilitate the adjustment of the tripod 2 . The groove 42 and the moving mechanism 5 define the moving direction of the three legs of the tripod 2, which can make the three legs of the tripod 2 evenly distributed, and the telescopic rod 44 can make the device adjust the level in advance, reducing the trouble of adjusting the tripod 2, because The supports are used to cope with different terrains, which can make the tripod 2 not easy to fall over and protect the total station 1 .

Preferably, the moving mechanism 5 includes a slider 51 , a battery 52 , a microprocessor, a rotating motor 53 , a gear 54 , a rack 55 , a second limiting piece 56 and a connecting sleeve 57 , and the slider 51 is clamped in the groove 42 , the slider 51 is slidingly matched with the groove 42, the battery 52, the microprocessor and the rotating motor 53 are all arranged in the slider 51, the battery 52 and the rotating motor 53 are all electrically connected to the microprocessor, and the gear 54 is arranged in the slider 51 In addition, the output shaft of the rotating motor 53 is connected to the gear 54, the rack 55 is arranged in the groove 42 along the length direction of the groove 42, the gear 54 is engaged with the rack 55, the upper end of the connecting sleeve 57 is open, and the bottom of the connecting sleeve 57 is open. It is rotatably connected to the upper end of the slider 51, the connecting sleeve 57 can be rotated on a vertical plane above the horizontal plane, and the second limiting piece 56 is provided at the connection between the connecting sleeve 57 and the slider 51 to prevent the connecting sleeve 57 from being in a vertical state Rotating to the side away from the support ring 3 , the connecting sleeve 57 is arranged on the pointed end of the tripod 2 .

In detail, the rotating motor 53 drives the gear 54 to rotate, and the gear 54 rotates on the rack 55, thereby driving the slider 51 to slide in the groove 42, and the sliding direction of the slider 51 is controlled by the steering of the rotating motor 53, so that Avoid manually adjusting the position of each leg of the tripod 2, and the adjustment is convenient and precise. The second limiting piece 56 limits the rotation of the connecting sleeve 57 , which can better ensure the stability of the tripod 2 while ensuring the adjustment positions of the three legs of the tripod 2 .

Preferably, the moving mechanism 5 also includes a wireless transmission module and a remote control (not shown in the figure), the wireless transmission module is arranged in the slider 51, the wireless transmission module is electrically connected to the microprocessor, and the microprocessor is wirelessly connected through the wireless transmission module on the remote control. Specifically, it is simple and convenient to wirelessly control the rotation of the rotary motor 53 through the remote controller. Of course, the rotation speed of the rotary motor 53 can be adjusted on the remote controller, which is convenient for accurate adjustment results.

Preferably, the types of supports include anti-skid blocks 61 , universal wheels 62 with brakes, baffles 63 with tips and suction cups, and the supports are connected to the telescopic rods 44 in one-to-one correspondence. Specifically, the anti-skid block 61 can be used in hard and smooth places to ensure the stability of the device, and the universal wheel 62 with brakes can also be used in hard and smooth places, but it is easy to move, suitable for flat places, with The baffle plate 63 at the tip is suitable for inserting the tip into the soil in a soft place, and the baffle plate can prevent the device from sinking. The suction cup needs to be used in a smooth place, but it has strong stability. Different supports are used to adapt to different ground conditions. . In this embodiment, there are three support members, which are anti-skid block 61, universal wheel 62 with brake, and baffle plate 63 with tip. Of course, other support members can also be used, and each support member can be used interchangeably.

Preferably, a positioning hole 441 is formed on the side of the telescopic rod 44 close to the support rod 4 , the fixing mechanism includes a mounting rod 71 , a screw 72 and a handle 73 , and the mounting rod 71 is vertically arranged at the lower end of the end of the support rod 4 away from the support ring 3 , the mounting rod 71 is provided with a screw hole 74 corresponding to the position of the positioning hole 441, one end of the screw 72 is connected to the positioning hole 441 through the internal thread of the screw hole 74, the screw 72 is threaded with the screw hole 74, and the handle 73 is connected to the screw The other end of 72. Specifically, the telescopic rod 44 is fixed by screwing the screw 72 with the thread of the positioning hole 441 , which is simple and convenient, and has strong stability.

Preferably, the tripod 2 includes a mounting seat 21 , a first connecting block 22 , a vertical rod 23 , a second connecting block 24 , a locking mechanism 8 and a sliding rod 25 . At the lower end of the seat 21, there are six vertical rods 23, and every two of them are respectively connected to one end of the first connecting block 22 away from the mounting seat 21, and the second connecting block 24 is connected to the other end of the vertical rod 23. A sliding hole 26 is opened between the two vertical rods 23 , the sliding rod 25 is inserted in the sliding hole 26 , the sliding rod 25 is slidably matched with the sliding hole 26 , and the locking mechanism 8 is arranged at one end of the sliding rod 25 close to the first connecting block 22 , the locking mechanism 8 is used in conjunction with the vertical rod 23 . Specifically, the locking mechanism 8 is arranged on the upper end of the sliding rod 25, which reduces the user's bending and fixing, and is more user-friendly.

Preferably, the locking mechanism 8 includes a housing 81 , a rotating shaft 82 , a handle 83 , a return spring 84 , a pressing plate 85 , a connecting rod 86 , a cam 87 , a mounting plate 88 and a rubber sheet 89 , and a mounting cavity 812 is provided in the housing 81 and two slideways 811 penetrating the housing 81 , the slideways 811 are slidably matched with the vertical rod 23 , one end of the rotating shaft 82 is inserted into the installation cavity 812 and forms a rotational fit with the housing 81 , and the handle 83 is connected to the other side of the rotating shaft 82 . At one end, the cam 87 is oval, the cam 87 is connected to the rotating shaft 82, the pressing plate 85 is vertically arranged on the opposite sides of the cam 87 close to the slideway 811, and one end of the connecting rod 86 is connected to the side of the pressing plate 85 away from the cam 87 , the return spring 84 is sleeved on the connecting rod 86, the other end of the connecting rod 86 is horizontally inserted into the slideway 811 and connected to the mounting plate 88, the connecting rod 86 is slidingly matched with the housing 81, and the rubber sheet 89 is attached to the mounting plate 88 On the side away from the connecting rod 86, the side of the slideway 811 close to the mounting cavity 812 has a slot 813. When the return spring 84 is in a natural state, the mounting plate 88 and the rubber sheet 89 shrink into the slot 813. When 84 is compressed, the rubber sheet 89 is pressed against the vertical rod 23 . Specifically, when the long axis of the cam 87 is pressed on the pressing plate 85, the return spring 84 is compressed, and the rubber sheet 89 is pressed on the vertical rod 23 to fix the sliding rod 25; when the short axis of the cam 87 is pressed on the pressing plate When the 85 is up, the return spring 84 is in a natural state, and the mounting plate 88 and the rubber sheet 89 are retracted into the slot 813 , which does not affect the sliding of the sliding rod 25 .

Preferably, both the side of the cam 87 close to the first connecting block 22 and the side close to the second connecting block 24 are provided with a first plane, and the opposite sides of the cam 87 close to the slideway 811 are provided with a second plane. Specifically, the stability of the cam 87 in the two states is guaranteed.

Installation method: After reaching the measurement point, unfold the support rod 4, select a suitable support piece according to the terrain and fix it. If the support piece is a universal wheel 62, lock the brake pad, open the brake pad when moving, and set the support ring 3 on the On the peripheral side of the measurement point, the center of the support ring 3 is best aligned with the measurement point, adjust the length of the telescopic rod 44, try to level the support rod 4, then take out the tripod 2, loosen the sliding rod 25, slide the sliding rod 25 To a certain length, then lock the sliding rod 25, insert the lower end of the sliding rod 25 into the connecting sleeve 57, press the remote control to adjust the position of each sliding block 51, ensure that the tripod 2 is unfolded at a suitable angle and is not easy to fall, and then adjust the sliding rod 25 and the position of the slider 51 to level the mounting seat 21.

This specific embodiment is only an explanation of the present invention, and it does not limit the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as the rights of the present invention are used All claims are protected by patent law.

Claims (8)

1. A measuring device for intelligently detecting the verticality of bridge piers, comprising a total station (1) and a tripod (2), wherein the total station (1) is mounted on the top of the tripod (2), It is characterized in that: a support ring (3) is arranged below the tripod (2), three support rods (4) are evenly arranged on the peripheral side of the support ring (3), and one end of each support rod (4) is provided. Both are rotatably connected to the support ring (3), the support rod (4) can be rotated in a vertical plane, and the connection between the support rod (4) and the support ring (3) is provided with a first limit piece ( 41), the first limiting piece (41) is used for restricting the support rod (4) to continue to rotate upward from a horizontal state, and the upper end of the support rod (4) is provided with a lengthwise direction of the support rod (4). A groove (42) is provided with a moving mechanism (5) in the groove (42), the moving mechanism (5) is detachably connected to the pointed end of the tripod (2), and the support rod ( 4) A turntable (43) is rotatably connected to one end away from the support ring (3), the axis of the turntable (43) is parallel to the length direction of the support rod (4), and the axis of the turntable (43) At least two telescopic rods (44) are evenly arranged on the sides, each telescopic rod (44) is provided with an adjustment knob (45), the telescopic rod (44) is rotatably connected to the turntable (43), and the telescopic rod (44) is rotatably connected to the turntable (43). The rod (44) can be rotated up and down, and each support rod (4) is provided with a fixing mechanism fixed to the telescopic rod (44) in a vertically downward state, and each telescopic rod (44) is far away from the turntable One end of (43) is respectively provided with different types of supports. 2. A measuring device for intelligently detecting the verticality of bridge piers according to claim 1, wherein the moving mechanism (5) comprises a slider (51), a battery (52), a microprocessor, A rotating motor (53), a gear (54), a rack (55), a second limiting piece (56) and a connecting sleeve (57), the slider (51) is clamped in the groove (42) , the slider (51) is slidingly matched with the groove (42), the battery (52), the microprocessor and the rotating motor (53) are all arranged in the slider (51), the battery (52) ) and the rotating motor (53) are both electrically connected to the microprocessor, the gear (54) is provided outside the slider (51), and the output shaft of the rotating motor (53) is connected to the gear ( 54), the rack (55) is arranged in the groove (42) along the length direction of the groove (42), the gear (54) is engaged with the rack (55), and the connecting sleeve The upper end of (57) is open, the bottom of the connecting sleeve (57) is rotatably connected to the upper end of the sliding block (51), the connecting sleeve (57) can be rotated on a vertical plane above the horizontal plane, the first Two limiting pieces (56) are provided at the connection between the connecting sleeve (57) and the slider (51) to prevent the connecting sleeve (57) from moving to the side away from the support ring (3) in a vertical state Rotating, the connecting sleeve (57) is arranged on the pointed end of the tripod (2). 3. A measuring device for intelligently detecting the verticality of bridge piers according to claim 2, characterized in that: the moving mechanism (5) further comprises a wireless transmission module and a remote control, and the wireless transmission module is located in the In the slider (51), the wireless transmission module is electrically connected to the microprocessor, and the microprocessor is wirelessly connected to the remote control through the wireless transmission module. 4. A measuring device for intelligently detecting the verticality of bridge piers according to claim 1, characterized in that: the types of the supports include anti-skid blocks (61), universal wheels (62) with brakes, The baffle plate (63) with a tip and the suction cup are connected to the telescopic rod (44) in a one-to-one correspondence. 5. A measuring device for intelligently detecting the verticality of bridge piers according to claim 1, wherein a positioning hole ( 441), the fixing mechanism comprises a mounting rod (71), a screw (72) and a handle (73), the mounting rod (71) is vertically arranged on the support rod (4) away from the support ring (3) A screw hole (74) corresponding to the position of the positioning hole (441) is formed on the mounting rod (71), and one end of the screw rod (72) passes through the screw hole (74) The internal thread is connected to the positioning hole (441), the screw rod (72) is screwed with the screw hole (74), and the handle (73) is connected to the other end of the screw rod (72). 6. The measuring device for intelligently detecting the verticality of bridge piers according to claim 1, wherein the tripod (2) comprises a mounting seat (21), a first connecting block (22), a vertical A rod (23), a second connecting block (24), a locking mechanism (8) and a sliding rod (25), the first connecting block (22) is provided with three and is evenly hinged to the mounting seat (21) The lower end of the vertical rod (23) is provided with six rods, and every two rods are respectively connected to one end of the first connecting block (22) away from the mounting seat (21), and the second connecting block (24) is connected to the On the other end of the vertical rod (23), the second connecting block (24) is provided with a sliding hole (26) between the two vertical rods (23), and the sliding rod (25) is inserted in the sliding hole In (26), the sliding rod (25) is slidably matched with the sliding hole (26), and the locking mechanism (8) is provided at one end of the sliding rod (25) close to the first connecting block (22). , the locking mechanism (8) is used in cooperation with the vertical rod (23). 7. The measuring device for intelligently detecting the verticality of bridge piers according to claim 6, wherein the locking mechanism (8) comprises a casing (81), a rotating shaft (82), a handle (83) ), return spring (84), pressing plate (85), connecting rod (86), cam (87), mounting plate (88) and rubber sheet (89), the housing (81) is provided with a mounting cavity ( 812) and two slideways (811) penetrating the housing (81), the slideways (811) slidingly fit with the vertical rod (23), and one end of the rotating shaft (82) is inserted into the installation cavity (812). 812) and form a rotating fit with the casing (81), the handle (83) is connected to the other end of the rotating shaft (82), the cam (87) is oval, the cam (87) Connected to the rotating shaft (82), the pressing plate (85) is vertically arranged on the opposite sides of the cam (87) close to the slideway (811), and one end of the connecting rod (86) is connected to On the side of the pressing plate (85) away from the cam (87), the return spring (84) is sleeved on the connecting rod (86), and the other end of the connecting rod (86) is inserted horizontally The slideway (811) is connected to the mounting plate (88), the connecting rod (86) is slidably matched with the housing (81), and the rubber sheet (89) is attached to the mounting plate (88) away from any One side of the connecting rod (86), and the side of the slideway (811) close to the mounting cavity (812) begins with a slot (813). When the return spring (84) is in a natural state, all The mounting plate (88) and the rubber sheet (89) are retracted into the snap groove (813), and when the return spring (84) is compressed, the rubber sheet (89) is pressed against the vertical rod (23). . 8 . The measuring device for intelligently detecting the verticality of bridge piers according to claim 7 , wherein the cam ( 87 ) is close to one side of the first connecting block ( 22 ) and is close to the side of the first connecting block ( 22 ). One side of the second connecting block (24) is provided with a first plane, and two opposite sides of the cam (87) close to the slideway (811) are provided with a second plane.

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