CN112146635A

CN112146635A - Building engineering straightness detection device that hangs down

Info

Publication number: CN112146635A
Application number: CN202010952513.8A
Authority: CN
Inventors: 杜祥力
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2020-12-29

Abstract

The invention discloses a building engineering verticality detection device, which is characterized in that a sliding groove, a rectangular groove, a sliding block, a screw rod, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear are arranged, a rotating rod is utilized to drive the fourth bevel gear to rotate, the fourth bevel gear is matched with the third bevel gear to drive the third bevel gear to rotate, the third bevel gear transmits rotation to the second bevel gear, the screw rod is driven to rotate through the matching of the second bevel gear and the first bevel gear, the height of the sliding block can be adjusted under the threaded matching of the screw rod and the sliding block, the height of a horizontal plate can be adjusted, and verticality at different heights of a wall body can be measured; through setting up perpendicular subassembly, drive the wire winding pole through the rocking handle and rotate, release rope and plumb bob, under the action of gravity, the plumb bob falls naturally, through measuring the horizontal distance between rope and the wall body, is convenient for measure the straightness that hangs down.

Description

Building engineering straightness detection device that hangs down

Technical Field

The invention relates to the field of constructional engineering verticality detection devices, in particular to a constructional engineering verticality detection device.

Background

The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The house building is characterized by comprising a top cover, a beam column, a wall, a foundation and a project capable of forming an internal space and meeting the requirements of production, living, study and public activities of people. At present, for acceptance of construction engineering, the verticality is one of important indexes for evaluating the quality of construction engineering. Perpendicularity is evaluated for the perpendicular state between straight lines, between planes or between straight lines and planes, wherein one straight line or plane is an evaluation reference, the straight line can be a straight line part or a straight line motion track of a sample to be measured, and the plane can be a plane formed by a plane part or a motion track of the sample to be measured. In the building industry, in order to ensure the construction quality, the verticality needs to be measured in structures such as wall columns, masonry structures and template engineering,

perpendicularity detection device for building engineering is the device that detects building vertical face straightness that hangs down, and along with the rapid development of building trade, people also are higher and higher to the requirement of building quality, often can use some detection device to guarantee the quality of building, and the straightness detection device that hangs down is one of indispensable detection instrument. Traditional straightness detection device that hangs down needs two people to accomplish, and it is more to consume the manpower, and inconvenient use has reduced straightness detection device's detection efficiency.

At present, chinese patent with application number CN201821985196.4 discloses a straightness detection device that hangs down for building engineering quality detects, including the pole setting case, the inner chamber swing joint of pole setting case has the threaded rod, and the bottom cover on threaded rod surface is equipped with first conical gear, and the bottom on pole setting case right side is run through and is provided with first bull stick, and the left end of first bull stick extends to the inner chamber and the fixedly connected with second conical gear of pole setting case. According to the verticality detection device for the building engineering quality detection, the threaded rod, the first bevel gear, the first rotating rod, the second bevel gear, the threaded sleeve, the ruler rod seat, the ruler rod, the ruler frame, the wire binding roller, the vertical wire, the wire sleeve, the first sliding groove, the first sliding block, the second sliding groove, the second sliding block, the measurement block and the heavy hammer are matched for use, the problem that two persons are needed to complete the traditional verticality detection device and much manpower is consumed is solved, the verticality detection device for the building engineering quality detection has the advantage of convenience in use, the detection efficiency of the verticality detection device is improved, and the manpower investment is reduced. However, when the device is used for building the side face with the verticality, the tight fit of the measuring part and the measuring face cannot be ensured. Based on the device, the invention designs the building engineering verticality detection device.

Disclosure of Invention

The invention aims to provide a building engineering verticality detection device to solve the problem that the construction verticality side face is tightly attached to a measuring part by using the device.

In order to achieve the purpose, the invention provides the following technical scheme:

a building engineering verticality detection device comprises a wall body and a concave frame, wherein sliding grooves are symmetrically formed in two vertical parts of the concave frame relative to the center of the side surface, a rectangular groove is formed in the center of the top end of the horizontal part of the concave frame, a connecting bearing is arranged at the center of the top end of the sliding groove, the connecting bearing is rotatably connected with a screw rod, a first bevel gear is mounted at the center of the bottom end of the screw rod, a first support rod is rotatably connected with the center of the bottom end of the first bevel gear, the first support rod is fixed at the center of the bottom end of the sliding groove, a second bevel gear is meshed with the first bevel gear, a connecting rod is fixed at the center of the side surface of the second bevel gear, a third bevel gear is arranged at the center of the end part of the connecting rod, a fourth bevel gear is meshed with a fourth bevel gear, a second support rod is rotatably connected with the center, the novel winding machine is characterized in that a sliding block is slidably connected inside the sliding groove, screw threads penetrate through the sliding block, a jack is formed in the top end of the sliding block, a push rod is inserted inside the jack, an installation block is installed at the top end of the push rod, a placement groove is formed in the top end of the installation block, fixing bolts penetrate through threads on the side wall of the placement groove, a horizontal plate is placed inside the placement groove, two sets of vertical plates are symmetrically installed at the edge center of the bottom end of the horizontal plate, a winding rod is rotated at the center of the side face of each vertical plate, a rocking handle is fixed at the end center of the winding rod and rotates to penetrate through the vertical plates, a vertical assembly is arranged on each winding rod, a penetrating rectangular groove is formed in the.

As a further improvement of the scheme, the top end of the sliding groove is arranged close to the top end of the concave frame, the horizontal plane of the bottom end of the sliding groove is lower than the horizontal plane of the top end of the horizontal part of the concave frame, the horizontal plane of the bottom end of the rectangular groove is flush with the horizontal plane of the bottom end of the sliding groove, and the length of the screw rod is equal to the vertical distance from the top end of the sliding groove to the top end of the horizontal part of the concave plate.

As a further improvement of the scheme, the center of the connecting rod is provided with a through hole, the top end of the concave frame is provided with a mounting hole matched with the through hole, a limiting rod is arranged in the mounting hole and the through hole, and the limiting rod is in threaded fit connection with the mounting hole and the through hole.

The improved structure of the sliding block comprises a sliding groove, a sliding block, a jack, a push rod, a mounting block and a connecting block, wherein the sliding block is arranged on the sliding groove, the end face of the sliding block exceeds the vertical face of the opening face of the sliding groove, the jack is arranged at the central position of the area where the sliding block exceeds the sliding groove, the bottom end of the push rod is connected with the bottom end of the jack in a magnetic adsorption mode, the height of the push rod is slightly smaller than half of the height of the sliding groove, the center of.

As a further improvement of the above scheme, the placing groove is arranged through two groups of mutually perpendicular side surfaces of the mounting block, the length of the fixing bolt is equal to that of the placing groove, the height of the horizontal plate is greater than the depth of the placing groove, and the outer side surface of the vertical plate and the side surface of the horizontal plate are positioned on the same vertical plane.

As a further improvement of the above solution, the vertical assembly comprises a rope wound on the winding rod and having an end fixed to the winding rod, and a plumb bob having a length greater than the sum of the height of the female frame and the height of the link.

As a further improvement of the scheme, a fixed rod is movably penetrated through the side surface of the rocking handle, and the end part of the fixed rod is movably inserted into the vertical plate.

Compared with the prior art, the invention has the beneficial effects that:

1. the rotary rod is used for driving the fourth bevel gear to rotate, the fourth bevel gear is matched with the third bevel gear to drive the third bevel gear to rotate, the third bevel gear transmits rotation to the second bevel gear, the screw rod is driven to rotate through the matching of the second bevel gear and the first bevel gear, the height of the sliding block can be adjusted under the threaded matching of the screw rod and the sliding block, the height of a horizontal plate can be adjusted, and the verticality of different heights of a wall body can be measured; through setting up perpendicular subassembly, drive the wire winding pole through the rocking handle and rotate, release rope and plumb bob, under the action of gravity, the plumb bob falls naturally, through measuring the horizontal distance between rope and the wall body, is convenient for measure the straightness that hangs down.

2. Through the arrangement of the through hole, the mounting hole and the limiting rod, the limiting rod is matched with the through hole and the mounting hole through threads, after the height adjustment is completed, the auxiliary limiting can be performed on the transmission among the gears, the gears are prevented from rotating, and the adjusted height is prevented from being influenced; by arranging the fixing bolts and adjusting the length of the fixing bolts penetrating into the placing grooves, the horizontal plate can be tightly propped, so that the horizontal plate is tightly attached to the wall body, and the accuracy of verticality measurement is ensured; by arranging the auxiliary assembly, the telescopic scale plate is arranged on the through rectangular groove by using the limiting plate, and when the verticality is measured, the horizontal distance between the telescopic scale plate and the wall can be measured by using the telescopic scale plate and selecting a rope with a proper height, so that the average is taken for multiple times, and the measurement precision is improved; through setting up the dead lever, after rope and plumb bob release were accomplished, can carry on spacingly to the rocking handle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings described below are only some examples of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a concave plate structure according to the present invention;

FIG. 3 is a schematic view of the internal structure of the chute of the present invention;

FIG. 4 is a schematic view of a horizontal plate according to the present invention;

FIG. 5 is a schematic top view of the FIG. 2 assembly of the present invention;

FIG. 6 is a schematic cross-sectional view of FIG. 5A-A according to the present invention;

FIG. 7 is a schematic cross-sectional view of FIG. 5B-B according to the present invention;

FIG. 8 is an enlarged view of part A of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-wall body, 2-concave frame, 3-chute, 4-rectangular groove, 5-connecting bearing, 6-screw rod, 7-first bevel gear, 8-first support rod, 9-second bevel gear, 10-connecting rod, 11-perforation, 110-mounting hole, 111-limiting rod, 12-third bevel gear, 13-fourth bevel gear, 14-rotating rod, 15-second support rod, 16-sliding block, 17-jack, 18-top rod, 19-mounting block, 20-placing groove, 21-fixing bolt, 22-horizontal plate, 23-vertical plate, 24-winding rod, 25-rocking handle, 26-rope, 27-plumb bob, 28-through rectangular groove, 29-telescopic scale plate, 30-limiting plate, 31-fixing the rod.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

The technical scheme of the invention is further explained by combining the attached drawings.

Example one

As shown in figures 1, 2, 3 and 4, the building engineering verticality detection device comprises a wall body 1 and a concave frame 2, wherein two vertical parts of the concave frame 2 are symmetrically provided with sliding grooves 3 relative to the center of the side surface, the top ends of the sliding grooves 3 are arranged close to the top end of the concave frame 1, the horizontal plane at the bottom ends of the sliding grooves 3 is lower than the horizontal plane at the top ends of the horizontal parts of the concave frame 2, the center of the top end of the horizontal part of the concave frame 2 is provided with a rectangular groove 4, the horizontal plane at the bottom ends of the rectangular groove 4 is flush with the horizontal plane at the bottom ends of the sliding grooves 3, the center of the top end of the sliding groove 3 is provided with a connecting bearing 5, the connecting bearing 5 is rotatably connected with a screw rod 6, the length of the screw rod 6 is equal to the vertical distance from the top ends of the sliding grooves 3 to the top end of the horizontal part of the concave, a first bevel gear 7 is meshed with a second bevel gear 9, a connecting rod 10 is fixed at the center of the side surface of the second bevel gear 9, a third bevel gear 12 is arranged at the center of the end part of the connecting rod 10, the third bevel gear 12 is meshed with a fourth bevel gear 13, the center of the bottom end of the fourth bevel gear 13 is rotatably connected with a second support rod 15, the second support rod 15 is fixed at the center of the bottom end of the rectangular groove 4, a rotating rod 14 is fixed at the center of the top end of the fourth bevel gear 13, a sliding block 16 is slidably connected inside the sliding groove 3, the end surface of the sliding block 16 exceeds the vertical surface of the opening surface of the sliding groove 3, a screw 6 penetrates through the sliding block 16 through threads, the top end of the sliding block 16 is provided with a jack 17, the jack 17 is arranged at the central position of the area of the sliding block 16 exceeding the sliding groove 3, a mandril 18 is inserted inside, the top end of the mounting block 19 is provided with a placing groove 20, the placing groove 20 penetrates through two groups of mutually vertical side surfaces of the mounting block 19, a horizontal plate 22 is placed inside the placing groove 20, the height of the horizontal plate 22 is greater than the depth of the placing groove 20, two groups of vertical plates 23 are symmetrically installed at the center of the bottom end edge of the horizontal plate 22, the outer side surfaces of the vertical plates 23 and the side surfaces of the horizontal plate 22 are positioned on the same vertical surface, a winding rod 24 is rotated at the center of the side surfaces of the vertical plates 23, a rocking handle 25 is fixed at the center of the end part of the winding rod 24, the rocking handle 25 rotates to penetrate through the vertical plates 23, vertical components are arranged on the winding rod 24 and comprise a rope 26 and a plumb bob 27, the rope 26 is wound on the winding rod 24, the end part of the rope 26 is fixed on the winding rod 24, the length of the rope 26 is greater than the sum of the, drive No. three bevel gear 12 and rotate, No. three bevel gear 12 will rotate and transmit to No. two bevel gear 9, cooperation through No. two bevel gear 9 and bevel gear 7, it rotates to drive screw rod 6, under the screw-thread fit of screw rod 6 and slider 16, can adjust the height that slider 16 locates, can adjust the height that horizontal plate 22 located, can measure the straightness that hangs down of wall body 1 not co-altitude department, it rotates to drive wire wrapping rod 24 through rocking handle 25, release rope 26 and plumb bob 27, under the action of gravity, plumb bob 27 falls naturally, through measuring the horizontal distance between rope 26 and the wall body 1, be convenient for measure the straightness that hangs down.

Example two

The embodiment is a further improvement on the basis of the first embodiment, as shown in fig. 2, fig. 3, fig. 4, fig. 7 and fig. 8, a through hole 11 is formed in the center of a connecting rod 10, a mounting hole 110 matched with the through hole 11 is formed in the top end of a concave frame 2, a limiting rod 111 is installed inside the mounting hole 110 and the through hole 11, the limiting rod 111 is in threaded fit connection with the mounting hole 110 and the through hole 11, a connecting hole matched with the top end of a top rod 18 is formed in the center of the bottom end of a mounting block 19 and is in magnetic fit connection with the top rod 18, a fixing bolt 21 penetrates through the side wall of a placing groove 20 in a threaded manner, the length of the fixing bolt 21 is equal to the length of the placing groove 20, a through rectangular groove 28 is formed on the center line of the top end of a horizontal plate 22, an auxiliary component is installed inside the through rectangular groove 28 and comprises a telescopic scale plate 29, the, a limiting plate 30 is fixed at the center of the top end of the telescopic scale plate 29, the shape and the size of the horizontal section of the limiting plate 30 are larger than those of the horizontal section penetrating through the rectangular groove 28, a fixing rod 31 movably penetrates through the side surface of the rocking handle 25, the end part of the fixing rod 31 is movably inserted into the vertical plate 23, and the limiting rod 111 is matched with the through hole 11 and the mounting hole 110 in a threaded manner, so that after the height is adjusted, the transmission among the gears can be limited in an auxiliary manner, the gears can be prevented from rotating, and the adjusted height is prevented from being influenced; the length of the fixing bolt 21 penetrating into the placing groove 20 is adjusted, so that the horizontal plate 22 can be tightly propped to be tightly attached to the wall body 1, and the accuracy of perpendicularity measurement is ensured; the telescopic scale plate 29 is arranged on the through rectangular groove 28 by using the limit plate 30, and when the verticality is measured, the rope 26 with a proper height can be selected by using the telescopic scale plate 29 to measure the horizontal distance between the telescopic scale plate 29 and the wall body 1, so that the average is taken for multiple times, and the measurement precision is improved; by providing the fixing rod 31, the rocking handle 25 can be restrained after the release of the rope 26 and the plumb bob 27 is completed.

One specific application of this embodiment is: when the verticality of the wall body 1 is measured, the concave frame 2 is arranged close to the side surface of the wall body 1, the rotating rod 14 is utilized to drive the fourth bevel gear 13 to rotate, the fourth bevel gear 13 is matched with the third bevel gear 12 to drive the third bevel gear 12 to rotate, the third bevel gear 12 transmits the rotation to the second bevel gear 9, the screw rod 6 is driven to rotate through the matching of the second bevel gear 9 and the first bevel gear 7, the height of the slide block 16 can be adjusted under the threaded matching of the screw rod 6 and the slide block 16, so that the ejector rod 18 and the installation and rotation block 19 which are arranged on the slide block 16 are at proper heights, the horizontal plate 22 is at proper height, the verticality of different heights of the wall body 1 can be measured, the limiting rod 111 is matched with the through hole 11 and the installation hole 110 through the threads, after the height adjustment is completed, the auxiliary limiting can be carried out on the transmission between the gears, the rotation of the horizontal plate is avoided, the adjusted height is prevented from being influenced, the length of the fixing bolt 21 penetrating into the placing groove 20 is adjusted, the horizontal plate 22 can be tightly pushed, the horizontal plate is tightly attached to the wall body 1, and the accuracy of the verticality measurement is ensured; drive winding rod 24 through rocking handle 25 and rotate, release rope 26 and plumb bob 27, under the action of gravity, plumb bob 27 falls naturally, through setting up dead lever 31, after rope 26 and plumb bob 27 release are accomplished, can carry on spacingly to rocking handle 25, utilize limiting plate 30 to install flexible scale plate 29 on running through square groove 28, when carrying out the straightness measurement that hangs down, can utilize flexible scale plate 29, select rope 26 of suitable height to measure the horizontal distance between its and wall body 1, get averagely many times, improve measurement accuracy.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a building engineering straightness detection device that hangs down, includes wall body (1) and concave type frame (2), its characterized in that: the two vertical parts of the concave frame (2) are symmetrically provided with sliding grooves (3) relative to the side surface center, the top center of the horizontal part of the concave frame (2) is provided with a rectangular groove (4), the top center of the sliding grooves (3) is provided with a connecting bearing (5), the connecting bearing (5) is rotatably connected with a screw rod (6), the bottom center of the screw rod (6) is provided with a first bevel gear (7), the bottom center of the first bevel gear (7) is rotatably connected with a first support rod (8), the first support rod (8) is fixed at the bottom center of the sliding grooves (3), the first bevel gear (7) is engaged with a second bevel gear (9), the side center of the second bevel gear (9) is fixed with a connecting rod (10), the end center of the connecting rod (10) is provided with a third bevel gear (12), and the third bevel gear (12) is engaged with a fourth bevel gear (13), the center of the bottom end of the fourth bevel gear (13) is rotatably connected with a second support rod (15), the second support rod (15) is fixed at the center of the bottom end of the rectangular groove (4), the center of the top end of the fourth bevel gear (13) is fixed with a rotating rod (14), the sliding groove (3) is internally and slidably connected with a sliding block (16), the screw thread of the screw rod (6) penetrates through the sliding block (16), the top end of the sliding block (16) is provided with a jack (17), a push rod (18) is inserted into the jack (17), the top end of the push rod (18) is provided with a mounting block (19), the top end of the mounting block (19) is provided with a placing groove (20), the thread of the side wall of the placing groove (20) penetrates through a fixing bolt (21), a horizontal plate (22) is placed inside the placing groove (20), two groups of vertical plates (23) are symmetrically installed at the center of the edge of, the winding device is characterized in that a rocking handle (25) is fixed at the center of the end of the winding rod (24), the rocking handle (25) rotates to penetrate through the vertical plate (23), a vertical component is arranged on the winding rod (24), a penetrating rectangular groove (28) is formed in the central line of the top end of the horizontal plate (22), and an auxiliary component is arranged inside the penetrating rectangular groove (28).

2. The building engineering verticality detection device according to claim 1, characterized in that: spout (3) top is close to concave type frame (1) top setting, spout (3) bottom horizontal plane of locating is less than concave type frame (2) horizontal part top horizontal plane of locating, the horizontal plane of locating of square groove (4) bottom and spout (3) bottom horizontal plane parallel and level, the length of screw rod (6) equals the vertical distance on spout (3) top to concave template (2) horizontal part top.

3. The building engineering verticality detection device according to claim 1, characterized in that: perforation (11) have been seted up at connecting rod (10) center, concave type frame (2) top seted up with perforation (11) complex mounting hole (110), mounting hole (110) and perforation (11) internally mounted have gag lever post (111), gag lever post (111) and mounting hole (110) and perforation (11) screw-thread fit are connected.

4. The building engineering verticality detection device according to claim 1, characterized in that: slider (16) tip face surpasss the vertical face in spout (3) opening face place, jack (17) set up and put at slider (16) regional central point that surpasss spout (3), ejector pin (18) bottom and jack (17) bottom are the magnetic adsorption and connect, the height of ejector pin (18) slightly is less than the half of spout (3) height, installation piece (19) bottom center is seted up and is connected hole and even hole and ejector pin (18) magnetic fit with ejector pin (18) top complex.

5. The building engineering verticality detection device according to claim 1, characterized in that: the placing groove (20) penetrates through two groups of mutually perpendicular side faces of the mounting block (19), the length of the fixing bolt (21) is equal to that of the placing groove (20), the height of the horizontal plate (22) is larger than the depth of the placing groove (20), and the outer side face of the vertical plate (23) and the side face of the horizontal plate (22) are located on the same vertical face.

6. The building engineering verticality detection device according to claim 1, characterized in that: the vertical assembly comprises a rope (26) and a plumb bob (27), the rope (26) is wound on the winding rod (24), the end part of the rope (26) is fixed on the winding rod (24), and the length of the rope (26) is greater than the sum of the height of the concave frame (2) and the height of the connecting rod (18).

7. The building engineering verticality detection device according to claim 1, characterized in that: the auxiliary assembly is including flexible scale plate (29), the shape size of the horizontal cross-section of flexible scale plate (29) equals the shape size of the horizontal cross-section that runs through a square groove (28), flexible scale plate (29) top center is fixed with limiting plate (30), the shape size of the horizontal cross-section of limiting plate (30) is greater than the shape size of the horizontal cross-section that runs through a square groove (28).

8. The building engineering verticality detection device according to claim 1, characterized in that: a fixed rod (31) is movably penetrated through the side surface of the rocking handle (25), and the end part of the fixed rod (31) is movably inserted into the vertical plate (23).