CN216745899U - Steel construction surface roughness detection device - Google Patents

Abstract

A steel structure surface flatness detection device comprises a cross beam and adjusting feet at two ends of the cross beam, wherein the cross beam is matched with a sliding assembly; the sliding component is connected with the electronic caliper component, and an upper groove and a lower groove are respectively formed in the upper part and the lower part of the beam; the sliding assembly is provided with a back plate, the back plate is hinged with the lower ends of the two clamping rods through a connecting screw rod and is provided with a roller which is in movable fit with the lower groove, the connecting screw rod at the upper ends of the two clamping rods penetrates through the back plate limiting adjusting hole and is provided with a roller which is in movable fit with the upper groove, and the upper ends of the reset springs are respectively clamped on the two clamping rods; the electronic caliper assembly main body is arranged on the back face of the back plate, the electronic caliper assembly sliding rod is inserted downwards, and the lower end of the inserted wheel is provided with a detection roller. The crossbeam is the multistage structure, is applicable to the steel construction roughness that multiple range required and detects, can directly slide the roughness that detects a straight line within range, has the precision height, and the suitability is strong characteristic, and crossbeam and slip subassembly dismouting are convenient, portable.

Description

Steel construction surface roughness detection device

Technical Field

The invention relates to a steel structure surface flatness detection device, and belongs to the field of precision detection in a ship building process.

Background

In the construction process of ships, the flatness control is an important precision control point, the specific requirement is the concave-convex deviation of the steel structure surface within a certain linear distance range, and the crack-stopping steel area of a large container ship has strict requirements on the flatness in the cargo hold area of the large LNG ship. The assembling and the flatness of the outer plate at each stage in the conventional ship type building process also directly influence the building precision and the quality of the ship.

Steel structure surface inspection, as represented by the ship manufacturing industry, differs from the conventionally understood flatness inspection standards and modes, and usually requires inspection of flatness deviation within a line range, rather than the conventional overall horizontal deviation of a plane.

In order to control the flatness of each stage of the ship body, the flatness must be measured, and the traditional measuring method is that a straight ruler or a thin line is tensioned to be placed on the surface of a steel structure, and a clearance between the steel structure and the straight ruler is measured by using a feeler gauge.

Traditional measured data need personnel and instrument all more loaded down with trivial details, and the reading is comparatively difficult, measures each measuring point and all need repeatedly plugs in the clearance gauge with the reading, and measurement efficiency is low, and measurement accuracy is inaccurate, leads to the firer correction in later stage to be difficult to hold, causes the loss in the aspect of quality and cost.

How to provide an electronic reading during measurement, and can be suitable for various detection range requirements, and a detection tool capable of rapidly detecting flatness precision conditions in a straight line range becomes a research object of the invention.

Disclosure of Invention

The invention aims to design a measuring device which is provided with a sliding component on a cantilever and measures the flatness of the wave deformation of a plate by means of an electronic measuring component.

The technical scheme of the invention is that the steel structure surface flatness detection device is provided with a horizontal beam and adjusting pins which are connected with two ends of the beam downwards, wherein the beam is matched with a sliding assembly; the method is characterized in that: the sliding component is connected with an electronic caliper component extending downwards, and an upper groove and a lower groove are respectively formed in the upper part and the lower part of the beam; the sliding assembly is provided with a back plate, the lower end of the front surface of the back plate is hinged with the lower ends of two clamping rods which are symmetrically inclined upwards through a connecting screw rod, the extending end of the connecting screw rod is provided with a roller which is in movable fit with the lower groove, one end of the connecting screw rod which is transversely arranged at the upper ends of the two clamping rods respectively penetrates through the circular arc limiting adjusting hole of the back plate, the other end of the connecting screw rod is provided with a roller which is in movable fit with the upper groove, and the two upper ends of a V-shaped reset spring are respectively clamped at the upper parts of the two clamping rods; the electronic caliper subassembly main part fixed connection is at the back of backplate, and the slide bar that the electronic caliper subassembly moved about cooperates to have the wheel of downwardly extending to insert, and the wheel is inserted the lower extreme and is provided with the detection gyro wheel. The gyro wheel of the horizontal connecting screw rod one end in two clamping bar upper ends of slip subassembly, its and crossbeam upper groove movable fit gyro wheel step up through reset spring to ensure the laminating degree of gyro wheel, slip measurement's steady accuracy, two clamping bar of articulated simultaneously and reset spring structure are convenient for dismantle the slip subassembly and assemble, so that change on the crossbeam of different length, also portable.

In order to facilitate carrying and forming of cross beams with different lengths, the cross beam 1 comprises two or more cross beam sections 11, a connector assembly 13 connected with the cross beam sections and a limiting plug 12. In order to meet different measuring range requirements, the joints designed in the middle of the beam sections can be connecting rods or joint assemblies. The multiple sections of beam sections are connected by joints. The joint assembly is divided into a joint body and a connecting rod, the cross section of the joint body 131 is the same as that of the cross beam in structure, the connecting rod is a structure penetrating through the joint body, and two ends of the connecting rod penetrate through the joint body and protrude out of two ends of the joint body. Two adjacent sections of beam sections are respectively inserted into the end face connecting holes of the beam sections through connecting rods or connecting rods of the joint assemblies to be connected. The beam sections 11 are connected through the joint assembly, the joint assembly 13 comprises a joint body 131 and a connecting rod 132, wherein the cross section of the joint body 131 is the same as that of the beam, the connecting rod 132 is mounted on the connecting rod 132 on the hole of the joint body 131, two ends of the connecting rod 132 protrude out of the joint body, and the connecting rod 132 is respectively inserted into connecting holes at two opposite ends of the adjacent beam sections 11 during connection. The sliding assembly and the cross beam have detachable structures, are convenient to detach, and can be adjusted and replaced conveniently and quickly according to different detection standards and requirements of flatness, so that the measurement range of the invention is changed. The lower ends of the two clamping rods are provided with corresponding notches, the depth of the notches is half of the thickness of the lower ends of the clamping rods, and the longitudinal center lines of the two clamping rods are arranged on a same unfolded vertical surface. Therefore, not only are the expansion and retraction stabilities of the two clamping rods and the roller increased, but also the sliding of the whole sliding assembly is more stable, and the occupied space is smaller. The measuring roller of the contact position of the lower end of the electronic caliper assembly and the surface of the steel structure can freely slide along the beam-steel structure surface, the flatness of a linear range can be directly detected, the defect of point-by-point detection in the past is changed, the detection efficiency is greatly improved, meanwhile, the roller is used for contacting the lower end of the electronic caliper assembly with the surface of the steel structure, sliding friction is changed into rolling friction, the abrasion of the measuring device can be effectively reduced, the service life of the measuring device is prolonged, and the measuring error caused by the abrasion of the device is reduced.

In addition, in order to facilitate adjustment and installation in different states and adapt to different measurement environments, the electronic caliper assembly 3 is composed of a sliding rod 31, a wheel insert 311, a detection roller 32, an electronic caliper main body 33, an electronic display screen 331 and a compression spring 34, wherein the wheel insert 311 is located at the lower end of the sliding rod 31 and is mainly used for installation of the detection roller 32, the detection roller 32 is installed at the lower end of the wheel insert 311, the sliding rod 31 penetrates through the electronic caliper main body 33, the detection roller 32 at the lower end can drive the sliding rod 31 to freely lift according to the drum wrapping degree of the surface of a steel structure in the sliding detection process, and the compression spring 34 is installed between the electronic caliper main body 33 and the wheel insert 311. The adjusting foot 4 is composed of a conjunction plate 41, an upper screw 42, a lower screw 43, an adjusting short pipe 44 and a magnetic base 45, wherein the upper part of the upper screw 42 is arranged in a hole of the conjunction plate 41, the lower end of the upper screw is arranged in a screw hole at the upper part of the adjusting short pipe 44, the upper part of the lower screw 43 is connected with a screw hole at the lower part of the adjusting short pipe 44, and the lower part of the lower screw 43 is fixed with the magnetic base 45. The wedge plate 41 slides in along the lower groove of the end part 1 of the beam, and is fixed through the plug 122 after sliding in and installation. The height of the adjusting feet can be adjusted according to the steel structure wave degree required to be measured, and the device is suitable for various detection ranges.

The beam sections are connected through joints, the cross sections of two ends of the beam section 11 are provided with five distributed connecting holes, and the connecting holes corresponding to the end faces of the butted beam sections are inserted and connected through the joints. The crossbeam can adopt the aluminum alloy preparation, satisfy the requirement that detects the portability, be convenient for the job site carries, including low groove 111, upper groove 112 and connecting hole 113, low groove 111 mainly acts as installation regulation foot 4, upper groove 112 mainly acts as gyro wheel slip track, it slides to ensure that slip subassembly 2 prolongs 1 sharp of crossbeam, there are five connecting holes 113 in the 11 both ends faces of crossbeam section, be used for the crossbeam section to pass through the connection of joint Assembly 13 and spacing end cap 12, during the use with the connecting rod on the two insert in the connecting hole can. The portable measuring device is suitable for various measuring ranges, is convenient to carry, and is suitable for various scenes.

According to the steel structure surface flatness detection device, the sliding assembly is positioned on the cross beam and is connected through the three rollers. The electronic caliper component comprises a main body consisting of a watch body and an electronic screen, and a slide bar which is longitudinally measured and penetrates through the watch body; the lower end of the sliding rod is of a measuring roller structure; during the measurement, make the gyro wheel of sliding assembly prolong the crossbeam and roll and form the sliding assembly wheel and prolong the crossbeam slip, measure gyro wheel and detection object and carry out the contact laminating, the slide bar carries out the oscilaltion according to steel construction surface's roughness and changes, and the screen shows numerical value and is the roughness deviation of this department promptly, and when the sliding assembly postponed the crossbeam slip, measuring assembly kept the measurement throughout, shows real-time roughness numerical value.

The sliding assembly rolls on the cross beam through the three rollers to slide, the two rollers are arranged above the cross beam, the roller is arranged below the cross beam, the three rollers, the two hinged clamping rods, the connecting screw, the reset spring and the cross beam form a triangular structure, and the sliding assembly is arranged on the cross beam through the rollers, so that the stability of the connecting rod of the sliding assembly is greatly improved, and the assembly and disassembly are simple.

The cross beam and the cross beam section are of porous structures with grooves and can be made of aluminum alloy materials or other metal materials, the upper direction and the lower direction of the cross beam are respectively provided with a groove, the upper groove and the lower groove not only can meet the requirement that the roller stably slides in the groove, but also can meet the requirement that the adjusting foot is stably installed; the two ends of the beam are provided with beam limiting plugs, so that the measuring pins are prevented from sliding out accidentally.

The joint structure designed in the middle of the beam section can be a connecting rod or a joint component. The multiple sections of beam sections are connected by joints. The joint assembly is divided into a joint body and a connecting rod, the connecting rod is of a structure of a penetrating joint body, and two ends of the connecting rod penetrate through the joint body and protrude out of two ends of the joint body. And two adjacent sections of beam sections are respectively inserted into the end face connecting holes of the beam sections through connecting rods or connecting rods of the joint assemblies to be connected.

The adjusting feet are installed at two ends of the cross beam, a supporting function is achieved, the adjusting feet are provided with threaded structures, the heights of the adjusting feet can be adjusted through the threaded structures, and therefore the adjusting feet are suitable for different measuring ranges and meet the requirements for measuring plane steel structures with different drum wrapping degrees.

The lower end of the electronic caliper is of a roller structure, the measuring roller is installed at the lower end of a sliding rod measured by the electronic caliper, the outside of the measured sliding rod is wrapped by a compression spring structure, and the lower end of the compression spring acts on a bearing seat of the measuring roller so as to ensure that the detecting roller is kept attached to a detection object and meet the requirement of measuring precision.

The sliding component consists of a back plate, clamping rods, clamping plates, rollers and a V-shaped return spring, the lower end parts of the two clamping rods are hinged with the back plate through connecting screw rods, an angular connecting structure is formed under the action of the return spring, the rollers are respectively arranged at the same end of the connecting screw rods, the three rollers form triangular end point distribution to form a stable structure,

the middle of two clamping bars has set up reset spring, and the clamping bar angle can be held between the fingers and is adjusted, holds between the fingers the clamping bar and then makes the increase of upper and lower gyro wheel interval, can take off sliding assembly from the crossbeam, spacing adjustment hole has on the backplate makes the clamping bar angle inject in certain extent, and the gyro wheel presss from both sides tight crossbeam when both having guaranteed to measure, guarantees again that easy to assemble gets and unloads.

The electronic caliper is skillfully adopted as a displacement measuring unit, has the characteristics of high precision and convenient reading, and is very suitable for flatness measuring operation; the lower end of the caliper is provided with a roller structure, so that the flatness value in a straight line range can be directly measured in a rolling mode, and the abrasion among components can be effectively reduced; a triangular structure is adopted between the sliding assembly and the cross beam, and the stability is kept through a return spring structure of the clamping rod; the sliding assembly can be conveniently assembled and disassembled through a return spring structure; the height of the adjusting feet at the two ends of the cross beam can be freely adjusted, so that the measuring range of different plate flatness is met; the crossbeam is divided into the multistage and is connected, portable when can satisfying different measuring range.

Drawings

The invention is further illustrated with reference to the following specific figures:

FIG. 1 is a schematic view of a flatness measuring apparatus

FIG. 2 is an exploded view of the measuring device

FIG. 3 is an exploded view of the slide assembly and electronic caliper assembly

FIG. 4 is an exploded view of the adjustment leg

FIG. 5 is a cross-sectional view of a cross-beam

Wherein 1-beam component 11-beam 111-lower groove 112-upper groove

113-connecting hole 12-limiting plug 121-connecting rod 122-plug body

13-joint component 131-joint body 132-joint connecting rod 2-sliding component

21-bottom plate 22-clamping rod 221-roller 222-reset spring 23-clamping plate

24-connecting screw rod 25-limiting adjusting hole 3-electronic caliper component 31-sliding rod

311-wheel insert 32-detection roller 33-electronic caliper main body 331-electronic display screen

34-compression spring 4-adjusting foot 41-wedge plate 42-upper screw rod

43-lower screw 44-adjusting short pipe 45-magnetic base

Detailed Description

Referring to fig. 1, 2 and 3, a steel structure surface flatness degree detection device comprises a beam assembly 1, a sliding assembly 2, an electronic caliper assembly 3 and an adjusting foot 4, wherein the electronic caliper assembly is composed of a sliding rod 31, a detection roller 32, an electronic caliper main body 33 and a compression spring 34.

Referring to fig. 2, the beam assembly 1 is composed of a beam 11, a limiting plug 12 and a joint assembly 13, wherein the length of a single beam 11 is 1 meter, and the carrying is convenient. In order to meet different measurement range requirements, the cross beam 11 is connected through a joint assembly, the joint assembly 13 comprises a joint body 131 and a joint connecting rod 132, the joint body 131 and the cross beam are identical in structure, the connecting rod 132 is installed on a hole of the joint body 131, two ends of the connecting rod 132 protrude out of the body, and the connecting rod 132 is inserted into two ends of the cross beam 11 respectively during connection. No matter one beam 11 is adopted for measurement or a plurality of beams 11 are adopted for connection and combination measurement, the adjusting feet 4 need to be installed with the limiting plugs 12 after sliding along the end parts. The main function of the limiting plug 12 mainly includes two parts, one is to prevent the end of the beam from being worn and the sharp end from scratching the user, and the other is to limit the adjusting foot.

Referring to fig. 3, the sliding assembly 2 is composed of a base plate 21, a clamping bar 22, rollers 221, a return spring 222, a clamping plate 23, connecting screws 24, and limit adjusting holes 25, wherein one end of the clamping bar 22 is connected to the limit adjusting holes 25 of the base plate 21 by the connecting bolts 24, the other ends of the two clamping bars 22 are connected together by bolts to form an angular structure, the return spring 222 is added to the angular structure of the connecting bars, and the three rollers 221 are respectively mounted on the three connecting screws 24 of the clamping bar 22. When detecting, three rollers 221 slide on the beam assembly 1, and keep the effect of clamping the beam assembly 1 through the return spring 222, so that the rollers 221 can effectively slide on the upper groove 112 of the beam assembly 1, when the sliding assembly 2 needs to be taken down, the two connecting screws 24 at the upper end are gripped, the clamping rod 22 is driven to be leaned inwards, the two rollers 221 at the end part of the clamping rod 22 are lifted, the height between the three rollers 221 is increased, and the sliding assembly 2 can be taken down from the beam assembly 1. Otherwise, the installation can be convenient.

Referring to fig. 3, the electronic caliper assembly 3 is composed of a sliding rod 31, a wheel insert 311, a detection roller 32, an electronic caliper main body 33, an electronic display screen 331 and a compression spring 34, wherein the wheel insert 311 is located at the lower end of the sliding rod 31 and is mainly used for installing the detection roller 32, the detection roller 32 is installed at the lower end of the wheel insert 311, the sliding rod 31 penetrates through the electronic caliper main body 33, the detection roller 32 at the lower end can drive the sliding rod 31 to freely lift and lower according to the drum wrapping degree of the steel structure surface in the sliding detection process, the compression spring 34 is installed between the electronic caliper main body 33 and the wheel insert 311 and keeps in a compression state, the detection roller 32 is ensured to be in a pressing state and is ensured to be tightly attached to a detection object, the detection precision is improved, the electronic caliper 331 is located on the electronic caliper main body 33, and the measurement result is electronically displayed.

Referring to fig. 4, the adjusting leg 4 is composed of a fitting plate 41, an upper screw 42, a lower screw 43, an adjusting short tube 44, and a magnetic base 45, wherein the upper screw 42 is installed in a hole of the fitting plate 41 at the upper end, the lower end is installed in a screw hole at the upper end of the adjusting short tube 44, the upper portion of the lower screw 43 is connected with the lower portion of the adjusting short tube 44, and the lower portion of the lower screw 43 is fixed with the magnetic base 45. The fitting plate 41 can slide in along the lower groove 111 at the lower end of the beam end 1, and is fixed by the plug 122 after being mounted.

Referring to fig. 5, the cross-sectional view of the beam 11 is a porous multi-groove structure, and can be made of aluminum alloy, so that the requirement of portability detection is met, and the beam is convenient to carry on a construction site. The beam 11 is formed of two beam sections including a lower groove 111, an upper groove 112 and a through connection hole 113. The lower grooves 111 at both ends of the beam 11 mainly serve to mount the adjustment legs 4. The upper and lower grooves 112, 111 mainly function as a track for the rollers to roll and the sliding of the sliding assembly as a whole, ensuring that the sliding assembly 2 slides linearly along the cross beam 1. The beam section is longitudinally provided with 5 connecting holes 113 which are used for connecting the beam through a connector assembly 13 with five connecting rods and a limiting plug 12 with five connecting rods. When the cross beam is assembled, two ends of five connecting rods of the joint assembly 13 are inserted into holes at the opposite ends of the two cross beam sections to form a straight cross beam, the holes in the two end surfaces of the cross beam are inserted into the connecting rods of the limiting plugs 12, the limiting plugs 12 are fixed at the two end heads of the cross beam, and the matching plate 41 is clamped.

Claims (9)

1. A steel structure surface flatness detection device is provided with a horizontal cross beam and adjusting pins which are connected with two ends of the cross beam downwards, wherein the cross beam is matched with a sliding assembly; the method is characterized in that: the sliding component is connected with an electronic caliper component extending downwards, and an upper groove and a lower groove are respectively formed in the upper part and the lower part of the beam; the sliding assembly is provided with a back plate, the lower end of the front surface of the back plate is hinged with the lower ends of two clamping rods which are symmetrically inclined upwards through a connecting screw rod, the extending end of the connecting screw rod is provided with a roller which is in movable fit with the lower groove, one end of the connecting screw rod which is transversely arranged at the upper ends of the two clamping rods respectively penetrates through the circular arc limiting adjusting hole of the back plate, the other end of the connecting screw rod is provided with a roller which is in movable fit with the upper groove, and the two upper ends of a V-shaped reset spring are respectively clamped at the upper parts of the two clamping rods; the electronic caliper subassembly main part fixed connection is at the back of backplate, and the slide bar that the electronic caliper subassembly moved about cooperates to have a wheel of downwardly extending to insert, and the wheel inserts the lower extreme and is provided with the detection gyro wheel.

2. The steel structure surface flatness detecting device of claim 1, wherein: the crossbeam (1) comprises two or more crossbeam sections (11), a joint for connecting the crossbeam sections and a limiting plug (12).

3. The steel structure surface flatness detecting apparatus according to claim 1 or 2, wherein: the lower ends of the two clamping rods are provided with corresponding notches, the depth of the notches is half of the thickness of the lower ends of the clamping rods, and the longitudinal center lines of the two clamping rods are arranged on a same unfolded vertical surface.

4. The steel structure surface flatness detecting device of claim 3, wherein: the cross beam sections (11) are connected through the joint assembly, the joint assembly (13) comprises a joint body (131) and a connecting rod (132), the cross section of the joint body (131) is identical to the cross section of the cross beam in structure, the connecting rod (132) is the connecting rod (132) installed on a hole of the joint body (131), two ends of the connecting rod (132) protrude out of the joint body, and the connecting rod (132) is respectively inserted into connecting holes at two opposite ends of the adjacent cross beam sections (11) during connection.

5. The steel structure surface flatness degree detection device according to claim 4, characterized in that: the connector body is provided with a lower groove (111) and an upper groove (112), five holes for connecting rods are arranged at two ends of the connector body, the connecting rods (132) are arranged in the five holes of the connector body (131) to form a connector assembly, two end faces of a beam section (11) are also provided with five corresponding connecting holes (113), adjacent beam sections are connected through the connector assembly (13), and the outer ends of the beam sections are connected with a limiting plug (12).

6. The steel structure surface flatness detecting device of claim 5, wherein: electronic caliper subassembly (3) is by slide bar (31), wheel is inserted (311), detect gyro wheel (32), electronic caliper main part (33) and electronic display screen (331), compression spring (34) are constituteed, wheel is inserted (311) and is located slide bar (31) lower extreme, detect gyro wheel (32) and install and insert (311) lower extreme at the wheel, slide bar (31) pass electronic caliper main part (33), detect gyro wheel (32) can drive slide bar (31) freely go up and down according to the package drum degree on steel construction surface in the slip detection process, compression spring (34) are installed and are inserted between (311) in electronic caliper main part (33) and wheel.

7. The steel structure surface flatness detecting device of claim 1, wherein: the adjusting foot (4) is composed of a wedge plate (41), an upper screw rod (42), a lower screw rod (43), an adjusting short pipe (44) and a magnetic base (45), wherein the upper part of the upper screw rod (42) is installed in a hole of the wedge plate (41), the lower end of the upper screw rod is installed in an upper screw hole of the adjusting short pipe (44), the upper part of the lower screw rod (43) is connected with a lower screw hole of the adjusting short pipe (44), the lower part of the lower screw rod (43) is fixed with the magnetic base (45), the wedge plate (41) slides in along a lower groove at the lower end of the end part of the beam (1), and the lower screw rod slides in after being installed and is fixed through a plug (122).

8. The steel structure surface flatness detecting device of claim 2, wherein: the cross beam sections are connected through joints, five connecting holes are distributed in the cross sections of the two ends of each cross beam section (11), and the connecting holes corresponding to the end faces of the butted cross beam sections are inserted and connected through the joints.

9. The steel structure surface flatness detecting device of claim 1, wherein: the crossbeam (1) consists of two or more crossbeam sections (11) and joints for connecting the crossbeam sections; the joint is a connecting rod or a joint component; the joint assembly is a joint body and a connecting rod, the cross section of the joint body (131) is the same as that of the cross beam in structure, the connecting rod penetrates through the joint body, and two ends of the connecting rod protrude out of two ends of the joint body.

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