CN212843368U

CN212843368U - Linear detection device for steel box girder

Info

Publication number: CN212843368U
Application number: CN202021964765.4U
Authority: CN
Inventors: 林浩宇; 陈其言; 林国发; 陈天凯
Original assignee: China Guofa Heavy Machinery Co ltd
Current assignee: China Guofa Heavy Machinery Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-03-30
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a straight line detection device for steel case roof beam, including supporting mechanism and detection mechanism, the supporting mechanism includes base, bracing piece, rotation coupling assembling, there is bolted connection at the base top the bracing piece, bracing piece one side is rotated and is connected with rotation coupling assembling, it is provided with detection mechanism to rotate coupling assembling one side, the base includes i-shaped base, accommodate the lead screw, rotates head, electro-magnet, accommodate the lead screw is provided with two, the accommodate the lead screw rear end passes i-shaped base and with i-shaped base threaded connection, and rotate and be connected with the electro-magnet. The utility model discloses simple structure, convenient to use, and do not receive external factor to influence during the detection.

Description

Linear detection device for steel box girder

Technical Field

The utility model relates to a steel case roof beam detects technical field, especially relates to a straight line detection device for steel case roof beam.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on bridges with large span and is called a steel box girder because the shape of the steel box girder is like a box, in a large-span cable support bridge, the span of the steel box girder reaches hundreds of meters and thousands of meters, the steel box girder is generally manufactured and installed by being divided into a plurality of beam sections, the cross section of the steel box girder has the characteristics of wide width and flat shape, the height-width ratio reaches about 1:10, the steel box girder needs to be detected in multiple directions after production, and one of the linear detection is the steel box girder.

Chinese patent with publication number CN205940417U discloses a steel rail straight line detection device, including two magnet seats and string, string both ends are fixed connection in magnet seat bottom respectively, the magnet seat is including the pedestal and the connecting rod that have the magnet piece, the fixed connection of pedestal and the rotatable structure of connecting rod, the inside dead slot that is equipped with of pedestal, the connecting rod includes handheld end and wire winding end, the wire winding end passes through the pedestal stretches into in the dead slot. However, the device realizes the straight line detection function by utilizing the distance between the string and the workpiece, and has the following defects when being used for detecting a long workpiece: 1. the string is influenced by external wind, so that the string fluctuates and detection is influenced; 2. due to the influence of gravity, the middle section of the string sags to influence the detection; 3. the device needs to retract the strings, so the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is just to provide a straight line detection device for steel box girder in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the straight line detection device for the steel box girder comprises a support mechanism and a detection mechanism, wherein the support mechanism comprises a base, a support rod and a rotating connection assembly, the top of the base is connected with the support rod through a bolt, one side of the support rod is rotatably connected with the rotating connection assembly, the detection mechanism is arranged on one side of the rotating connection assembly, the base comprises an I-shaped base, an adjusting screw rod, a rotating head and two electromagnets, the rear end of the adjusting screw rod penetrates through the I-shaped base and is in threaded connection with the I-shaped base, the electromagnets are rotatably connected with the adjusting screw rod, the rotating head is welded at the front end of the adjusting screw rod, the rotating head can drive the adjusting screw rod to rotate through rotation of the rotating head, the adjusting screw rod drives the angle of the I-shaped base to change, and the function, detection mechanism includes shell, bar laser generator, transparent glass, sealed lid, the shell rotates to be connected bracing piece one side bottom, the inside two cavities that are provided with of shell, the cavity internally mounted in the place ahead has the battery, and the outside lock has sealed lid, the cavity at rear is inside to have through the screw connection bar laser generator, and the outside is embedded to have transparent glass sets up like this and can provide the electric energy for bar laser generator through the battery, and bar laser generator transmission laser has realized the function of measuring the steel case roof beam straightness accuracy.

Preferably, the bracing piece includes the bracing piece body, deposits the chamber, rotates apron, handle, the bracing piece body is inside to be seted up deposit the chamber, it has through hinge connection to deposit the chamber top rotate the apron, the bracing piece body is kept away from one side of rotating coupling assembling has through the screw connection the handle sets up like this and can place necessary instrument through depositing the chamber, and the setting of handle conveniently takes whole device, and the setting of rotating the apron is used for sealing up depositing the chamber.

Preferably, it is provided with the block rubber to deposit intracavity portion, the inside drawing storage chamber and the scale storage chamber of having seted up of block rubber, set up like this and deposit the scale through the scale storage chamber, the drawing is deposited to the drawing storage chamber, and the setting of block rubber prevents that drawing and scale from rocking.

Preferably, rotation coupling assembling includes that first even board, second link the board, first link board one side upper end with the bracing piece rotates to be connected, first link board lower extreme with the second links the board lower extreme and rotates to be connected, the second link board one side upper end with the shell rotates to be connected, sets up like this and has realized under the condition that does not influence shell angle regulation, has increased the stability of shell.

Preferably, rotation coupling assembling includes that the third links board, slide bar, spout, the third link board one side upper end with the bracing piece rotates to be connected, slide bar one end fixed connection be in the third links on the board, other end sliding connection be in the spout is inboard, the spout is seted up the shell is close to on the side of bracing piece, set up like this and realized under the condition that does not influence shell angle regulation, increased the stability of shell.

Preferably, the rotational connection is a damped rotational connection, which is advantageous for the fixing of the position of the housing.

The utility model provides a technical scheme can include following beneficial effect:

1. the device utilizes a laser irradiation mode, is not influenced by environmental factors, and facilitates the linear detection of the workpiece.

2. The device only needs to switch the strip laser generator, so that the use is more convenient.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a straight line detection device for a steel box girder according to the present invention;

fig. 2 is a right side view of the straight line detecting device for the steel box girder according to the present invention;

fig. 3 is a sectional view a-a of a first embodiment of a line detection apparatus for a steel box girder according to the present invention;

fig. 4 is a B-B sectional view of a first embodiment of a line detection apparatus for a steel box girder according to the present invention;

fig. 5 is a sectional view a-a of a second embodiment of a line detection device for a steel box girder according to the present invention.

The reference numerals are explained below:

1. a support mechanism; 2. a detection mechanism; 101. a base; 102. a support bar; 103. rotating the connecting assembly; 1011. an i-shaped base; 1012. adjusting the screw rod; 1013. rotating the head; 1014. an electromagnet; 1021. a support rod body; 1022. a storage chamber; 1023. rotating the cover plate; 1024. a handle; 1025. a rubber block; 1026. a drawing storage chamber; 1027. a scale storage chamber; 1031. a first connecting plate; 1032. a second connecting plate; 10301. a third connecting plate; 10302. a slide bar; 10303. a chute; 201. a housing; 202. a bar-shaped laser generator; 203. transparent glass; 204. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1, 2, 3 and 4, a straight line detection device for a steel box girder comprises a supporting mechanism 1 and a detection mechanism 2, wherein the supporting mechanism 1 comprises a base 101, a support rod 102 and a rotation connection assembly 103, the top of the base 101 is connected with the support rod 102 through a bolt, one side of the support rod 102 is connected with the rotation connection assembly 103 in a rotation manner, one side of the rotation connection assembly 103 is provided with the detection mechanism 2, the base 101 comprises an i-shaped base 1011, an adjusting screw 1012, a rotation head 1013 and an electromagnet 1014, the rear end of the adjusting screw 1012 passes through the i-shaped base 1011 and is in threaded connection with the i-shaped base 1011, the electromagnet 1014 is connected in a rotation manner, the rotation head 1013 is welded at the front end of the adjusting screw 1012, the rotation head 1013 can drive the adjusting screw 1012 to rotate, the adjusting screw 1012 drives the i-shaped base, the function of adjusting the angle of the I-shaped base 1011 is realized, the detection mechanism 2 comprises a shell 201, a bar-shaped laser generator 202, a transparent glass 203 and a sealing cover 204, the shell 201 is rotatably connected to the bottom of one side of a support rod 102, two cavities are arranged inside the shell 201, a battery is arranged inside the cavity in front, the sealing cover 204 is buckled outside the cavity, the bar-shaped laser generator 202 is connected inside the cavity behind the cavity through screws, the transparent glass 203 is embedded outside the cavity, the bar-shaped laser generator 202 can provide electric energy for the bar-shaped laser generator 202 through the battery, the bar-shaped laser generator 202 emits laser, the function of measuring the straightness of the steel box girder is realized, the support rod 102 comprises a support rod body 1021, a storage cavity 1022, a rotating cover plate 1023 and a lifting handle 1024, the storage cavity 1022 is arranged inside the support rod body 1021, the top of the storage cavity 1022 is, the arrangement can be realized by placing necessary tools through the storage cavity 1022, arranging the handle 1024 to facilitate taking the whole device, arranging the rotary cover plate 1023 to seal the storage cavity 1022, arranging the rubber block 1025 in the storage cavity 1022, arranging the drawing storage chamber 1026 and the scale storage chamber 1027 in the rubber block 1025, arranging the scale storage chamber 1027 to store the scale, the drawing storage chamber 1026 to store the drawing, preventing the drawing and the scale from shaking due to the arrangement of the rubber block 1025, arranging the rotary connecting assembly 103 comprising a first connecting plate 1031 and a second connecting plate 1032, rotatably connecting the upper end of one side of the first connecting plate 1031 with the support rod 102, rotatably connecting the lower end of the first connecting plate 1031 with the lower end of the second connecting plate 1032, rotatably connecting the upper end of one side of the second connecting plate 1032 with the shell 201, and increasing the stability of the shell 201 under the condition of not influencing the angle adjustment of the shell 201, this provides for a secure location of the housing 201.

Example 2

As shown in fig. 5, embodiment 2 differs from embodiment 1 in that: the rotating connection assembly 103 comprises a third connecting plate 10301, a sliding rod 10302 and a sliding groove 10303, the upper end of one side of the third connecting plate 10301 is rotatably connected with the supporting rod 102, one end of the sliding rod 10302 is fixedly connected onto the third connecting plate 10301, the other end of the sliding rod 10302 is slidably connected onto the inner side of the sliding groove 10303, and the sliding groove 10303 is arranged on one side face, close to the supporting rod 102, of the shell 201, so that the stability of the shell 201 is improved under the condition that the angle of the shell 201 is not influenced.

In the structure, when the device is used, firstly, the rotating cover plate 1023 is opened, the drawing and the graduated scale are taken out, then the electromagnet 1014 is adsorbed at one end of the steel box girder, the bar-shaped laser generator 202 is aligned with the side line of the steel box girder, then the rotating head 1013 is rotated, the rotating head 1013 drives the adjusting screw 1012 to rotate, the adjusting screw 1012 drives the electromagnet 1014 to move, the angle of the I-shaped base 1011 is changed, the function of adjusting the angle of the I-shaped base 1011 is realized, until the laser emitted by the bar-shaped laser generator 202 is aligned with the side surface of the steel box girder, at the moment, the shell 201 is rotated, the laser emitted by the bar-shaped laser generator 202 is obliquely irradiated to the other side of the steel box girder, at the moment, the vertical distance between the side surface of the steel box girder and the diameter of the laser path can be measured by.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a straight line detection device for steel box girder which characterized in that: the device comprises a supporting mechanism (1) and a detection mechanism (2), wherein the supporting mechanism (1) comprises a base (101), a supporting rod (102) and a rotating connection assembly (103), the top of the base (101) is connected with the supporting rod (102) through a bolt, one side of the supporting rod (102) is rotatably connected with the rotating connection assembly (103), one side of the rotating connection assembly (103) is provided with the detection mechanism (2), the base (101) comprises an I-shaped base (1011), an adjusting screw rod (1012), two rotating heads (1013) and an electromagnet (1014), the rear end of the adjusting screw rod (1012) penetrates through the I-shaped base (1011) and is in threaded connection with the I-shaped base (1011), the electromagnet (1014) is rotatably connected, and the rotating head (1013) is welded at the front end of the adjusting screw rod (1012), detection mechanism (2) are including shell (201), bar laser generator (202), transparent glass (203), sealed lid (204), shell (201) rotate to be connected bracing piece (102) one side bottom, shell (201) inside is provided with two cavities, and the cavity internally mounted in the place ahead has the battery, and the outside lock has sealed lid (204), the cavity at rear is inside to have through the screw connection bar laser generator (202), and the outside is embedded to have transparent glass (203).

2. The line detection device for the steel box girder according to claim 1, wherein: the utility model discloses a bracing piece (102) is including bracing piece body (1021), deposit chamber (1022), rotate apron (1023), handle (1024), bracing piece body (1021) is inside to be seted up deposit chamber (1022), it has through hinge connection to deposit chamber (1022) top rotate apron (1023), one side that rotation coupling assembling (103) was kept away from in bracing piece body (1021) has through screw connection handle (1024).

3. The line detection device for the steel box girder according to claim 2, wherein: the rubber block (1025) is arranged inside the storage cavity (1022), and a drawing storage chamber (1026) and a scale storage chamber (1027) are formed inside the rubber block (1025).

4. The line detection device for the steel box girder according to claim 1, wherein: the rotation connecting assembly (103) comprises a first connecting plate (1031) and a second connecting plate (1032), the upper end of one side of the first connecting plate (1031) is rotatably connected with the supporting rod (102), the lower end of the first connecting plate (1031) is rotatably connected with the lower end of the second connecting plate (1032), and the upper end of one side of the second connecting plate (1032) is rotatably connected with the shell (201).

5. The line detection device for the steel box girder according to claim 1, wherein: rotate coupling assembling (103) and include that the third links board (10301), slide bar (10302), spout (10303), the third link board (10301) one side upper end with bracing piece (102) rotate to be connected, slide bar (10302) one end fixed connection be in on the third links board (10301), other end sliding connection be in spout (10303) are inboard, spout (10303) are seted up shell (201) is close to on a side of bracing piece (102).

6. The line inspection apparatus for a steel box girder according to claim 1, 4 or 5, wherein: the rotary connection is a damping rotary connection.