CN216483084U - Building wall hangs down straightness detection device - Google Patents

Abstract

The utility model relates to a building wall verticality detection device, which effectively solves the problems of large verticality error, poor stability and large difficulty of wall measurement by using a line weight; the technical scheme includes that the device comprises a detection vehicle, two vertical cylinders which are arranged at intervals at the left and right are arranged on a vehicle board, the bottoms of the two vertical cylinders are communicated through a communicating pipe, water is filled in each vertical cylinder, a floating ball capable of floating on the water surface is arranged in each vertical cylinder, a vertical rod vertically and upwards extending out of each vertical cylinder is arranged on each floating ball, and a cross rod simultaneously penetrating through the upper ends of the two vertical rods is arranged above the two vertical cylinders; two laser range finders are fixed at one end of the cross bar, the emission directions of the two laser range finders are vertically symmetrical relative to the cross bar, and the ranging origin points of the two laser range finders are superposed; utilize the utility model discloses the result that detects the wall body straightness that hangs down is reliable and stable, and the precision is high, can be applicable to the straightness that hangs down of higher superelevation wall body and detect, still can be used to the dynamic control of prefabricated wall body in-process straightness that hangs down.

Description

Building wall hangs down straightness detection device

Technical Field

The utility model relates to a building detection equipment field specifically is a building wall hangs down straightness detection device.

Background

The perpendicularity control of the building wall is very important, if the wall is inclined, the support property and the stability of the wall are greatly reduced, and the risk of collapse is greatly increased, so that the perpendicularity is an important parameter in both position control during installation of the prefabricated wall and deformation and displacement monitoring of the existing wall; at present, a line weight is generally adopted for measuring the wall perpendicularity, and a measurer visually measures whether the wall perpendicularity is within an allowable tolerance range by taking the line weight as a reference, but the line weight measurement has a plurality of defects, one of which is that visual measurement is needed, the human error is large, and the measurement precision is unreliable; secondly, the line weight is difficult to avoid swinging in a small range during measurement, and particularly when the outdoor wall of a room is measured, the influence of wind blowing is large, and the precision is more difficult to ensure; thirdly, the line weight is required to be lifted and hung at a higher position close to the top of the wall body for measurement, so that the arm is easy to feel sore and inconvenient, the operation of climbing a higher wall body is required, and the measurement can not be even completed for an ultrahigh wall body.

Disclosure of Invention

In order to overcome the defects, the utility model provides a building wall hangs down straightness detection device, the effectual line that has solved utilizes weighs down to measure the wall body and hangs down straightness error big, poor stability, the big problem of the degree of difficulty.

The technical scheme for solving the problem is that the building wall perpendicularity detection device comprises a detection vehicle consisting of wheels and a vehicle plate, wherein two vertical cylinders which are arranged at left and right intervals are arranged on the vehicle plate, the bottoms of the two vertical cylinders are communicated through a communication pipe, water is filled in each vertical cylinder, a floating ball capable of floating on the water surface is arranged in each vertical cylinder, the two floating balls are completely consistent, a vertical rod which vertically extends upwards out of each vertical cylinder is arranged on each floating ball, a cross rod which simultaneously penetrates through the upper ends of the two vertical rods is arranged above the two vertical cylinders, and the distance between the cross rod and the two floating balls is equal; two laser range finders are fixed at one end of the cross rod, the emitting directions of the two laser range finders are vertically symmetrical about the cross rod, and the ranging original points of the two laser range finders coincide.

The turning plate is provided with a horizontal lifting plate, the two vertical cylinders are fixed on the lifting plate, the turning plate is provided with a vertical lead screw through a bearing, and the lead screw upwards penetrates through the lifting plate and is in threaded fit with the lifting plate.

The car plate is fixed with a vertical guide rod, the lifting plate is provided with a guide hole, and the guide rod upwards penetrates through the guide hole.

The lower end of the screw rod is fixed with a gearwheel which is engaged with a pinion, and the pinion is connected with a driving motor fixed on the vehicle board.

The included angle of the two laser range finders is 90 degrees.

Utilize the utility model discloses the result that detects the wall body straightness that hangs down is reliable and stable, and the precision is high, can be applicable to the straightness that hangs down of higher superelevation wall body and detect, still can be used to the dynamic control of prefabricated wall body in-process straightness that hangs down.

Drawings

Fig. 1 is a front sectional view of the present invention.

Fig. 2 is a front sectional view when lying on an uneven ground.

Fig. 3 is a schematic diagram of the present invention.

Detailed Description

With the attached drawings, the utility model discloses a detection car that comprises wheel 1 and sweep 2, be equipped with two vertical barrels 3 of controlling interval arrangement on the sweep 2, the bottom of two vertical barrels 3 is through a communicating pipe 4 intercommunication, all be equipped with water in each vertical barrel 3, be equipped with a floater 5 that can float in the surface of water in each vertical barrel 3, two floater 5 are completely unanimous, be equipped with a vertical bar 6 that stretches out the vertical barrel 3 upwards vertically on each floater 5, two vertical barrels 3 top is equipped with a horizontal pole 7 that passes two montants 6 upper ends simultaneously, horizontal pole 7 is apart from the height of two floater 5 to be equal; the two vertical cylinders 3 form a communicating vessel, so that the liquid levels in the two vertical cylinders 3 are equal in height, the two floating balls 5 are also equal in height, and the two ends of the cross rod 7 are equal in height, namely the cross rod 7 is always in a horizontal state no matter what state the detection vehicle is in; one end of the cross rod 7 is fixed with two laser range finders 8, the emitting directions of the two laser range finders 8 are vertically symmetrical about the cross rod 7, and the ranging original points of the two laser range finders 8 coincide.

The turning plate 2 is provided with a horizontal lifting plate 9, the two vertical cylinders 3 are fixed on the lifting plate 9, the turning plate 2 is provided with a vertical screw rod 10 through a bearing, and the screw rod 10 upwards penetrates through the lifting plate 9 and is in threaded fit with the lifting plate 9; the lifting plate 9 can be driven to ascend and descend by rotating the screw rod 10, so that the height of the laser range finder 8 can be adjusted.

The vehicle plate 2 is fixed with a vertical guide rod 11, the lifting plate 9 is provided with a guide hole 12, the guide rod 11 upwards penetrates through the guide hole 12, and the guide rod 11 is matched with the guide hole 12 to keep the lifting plate 9 stable in the lifting process.

A bull gear 13 is fixed at the lower end of the screw rod 10, the bull gear 13 is meshed with a pinion 14, and the pinion 14 is connected with a driving motor 15 fixed on the sweep 2; the driving motor 15 drives the threaded rod to rotate through the reduction gear set.

The included angle of the two laser range finders 8 is 90 degrees, so that data processing and calculation after detection are facilitated.

The utility model discloses when carrying out wall body straightness that hangs down and examining, to detect the car and push to one side of wall body, make two laser range finder 8 towards the wall body that awaits measuring, start driving motor 15 and roughly adjust horizontal pole 7 to the half high position of wall body, then open two laser range finder 8 to the distance between adjustment detection car and the wall body makes two laser range finder 8's light spot fall respectively near the wall body top and near the position of wall body bottom, treat that the liquid level in two perpendicular section of thick bamboo 3 stabilizes the back, record laser range finder 8's reading.

Let the distance measurement origin of the two laser distance meters 8 be O, the light spot of the obliquely upward laser distance meter 8 on the wall be A, the light spot of the obliquely upward laser distance meter 8 on the wall be B, and the reading of the obliquely upward laser distance meter 8 be L₁The obliquely downward laser range finder 8 reads L₂The included angle of the other two laser distance measuring instruments 8 is a fixed value, namely the angle AOB is known, the two sides of the triangular AOB and the included angle of the two sides are known, the value of the angle ABO can be solved by solving the triangular AOB through a trigonometric function, and the included angle a = 90-angle ABO between the wall body and the vertical direction.

Solving the basic mathematical problem of the triangle by using the trigonometric function without detailed derivation, preferably fixing the included angle of the two laser transmitters to 90 degrees, and then tan ABO = L₁/L₂And the value of ≈ ABO can be directly obtained.

The utility model discloses can be used for the straightness that hangs down of existing wall body to detect, the straightness that hangs down of control wall body installation when also can be used to prefabricated wall body installation, work as L₁Is equal to L₂It indicates that the wall is in the vertical state.

Utilize the utility model discloses it is reliable and stable to detect the result of wall body straightness that hangs down, does not receive factors such as topography, wind-force to influence, need not measurement personnel rely on experience range estimation, and human error is little, and the precision is high, and data calculation is simple, and need not hang the line to the eminence and weigh down, can measure on ground, can be applicable to the straightness detection that hangs down of higher superelevation wall body, still can be used to the dynamic control of prefabricated wall body installation in-process verticality.

Claims (5)

1. A building wall perpendicularity detection device comprises a detection vehicle consisting of wheels (1) and a vehicle board (2), and is characterized in that two vertical cylinders (3) which are arranged at left and right intervals are arranged on the vehicle board (2), the bottoms of the two vertical cylinders (3) are communicated through a communication pipe (4), water is filled in each vertical cylinder (3), a floating ball (5) capable of floating on the water surface is filled in each vertical cylinder (3), the two floating balls (5) are completely consistent, a vertical rod (6) vertically and upwardly extending out of each vertical cylinder (3) is arranged on each floating ball (5), a transverse rod (7) simultaneously penetrating through the upper ends of the two vertical rods (6) is arranged above the two vertical cylinders (3), and the height of the transverse rod (7) from the two floating balls (5) is equal; one end of the cross rod (7) is fixed with two laser range finders (8), the emitting directions of the two laser range finders (8) are vertically symmetrical about the cross rod (7), and the ranging origin points of the two laser range finders (8) are superposed.

2. The building wall perpendicularity detecting device according to claim 1, characterized in that a horizontal lifting plate (9) is mounted on the vehicle plate (2), two vertical cylinders (3) are fixed on the lifting plate (9), a vertical lead screw (10) is mounted on the vehicle plate (2) through a bearing, and the lead screw (10) penetrates upwards through the lifting plate (9) and is in threaded fit with the lifting plate (9).

3. The building wall perpendicularity detecting device according to claim 2, characterized in that a vertical guide rod (11) is fixed on the vehicle plate (2), a guide hole (12) is formed in the lifting plate (9), and the guide rod (11) penetrates through the guide hole (12) upwards.

4. The building wall perpendicularity detecting device as claimed in claim 2, wherein a large gear (13) is fixed at the lower end of the screw rod (10), the large gear (13) is engaged with a small gear (14), and the small gear (14) is connected with a driving motor (15) fixed on the vehicle plate (2).

5. The building wall perpendicularity detecting device according to claim 1, wherein an included angle between the two laser distance measuring instruments (8) is 90 degrees.

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