CN112525142A - Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof - Google Patents
Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof Download PDFInfo
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- CN112525142A CN112525142A CN202011525117.3A CN202011525117A CN112525142A CN 112525142 A CN112525142 A CN 112525142A CN 202011525117 A CN202011525117 A CN 202011525117A CN 112525142 A CN112525142 A CN 112525142A
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- jack
- deformation detection
- steel wire
- heavy
- arched beam
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
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Abstract
A deformation detection and measurement device for field splicing construction of a heavy arched beam and a use method thereof are disclosed, the device comprises: the frame is used for mounting each part; the jack fixing component is used for fixing the jack; the jack fixing component is arranged on the rack, and the jack is arranged on the jack fixing component; the fixed supporting component is used for supporting the bottom of the heavy arched beam; the fixed supporting component is arranged on the jack; the deformation detection steel wire erecting assembly is used for erecting a deformation detection steel wire; the deformation detection steel wire erection assembly is arranged on the rack. The deformation detection and measurement device for the field splicing construction of the heavy arched beam and the use method thereof can improve the splicing quality of the field heavy arched beam and meet the relevant installation requirements of the heavy arched beam.
Description
Technical Field
The invention belongs to the technical field of heavy arched beams, and particularly relates to a deformation detection and measurement device for field splicing construction of heavy arched beams and a use method thereof.
Background
In industries such as power plants and metallurgy, heavy long arched beams such as boiler slab beams and cold bed travelling crane beams are often needed to support relevant heavy equipment such as steam drums and travelling cranes, the beams are fabricated in sections in a processing plant, the sections of arched beams are spliced and arched after being transported to the site, and the distortion deformation and the pre-arching degree of the spliced arched beams meet relevant specification regulations.
In the butt welding process of the arched girders, because the long arched girders are basically large H-shaped steel and the thicknesses of the flange plates and the web plates are large, the distortion and the over-tolerance of the pre-camber value of the long arched girders can be caused by uneven temperature change generated by multi-layer and multi-pass welding in the butt welding process.
Disclosure of Invention
In order to solve the above problems, the present invention provides a deformation detection and measurement device for field splicing construction of a major arched beam, comprising:
the frame is used for mounting each part;
the jack fixing component is used for fixing the jack; the jack fixing component is arranged on the rack, and the jack is arranged on the jack fixing component;
the fixed supporting component is used for supporting the bottom of the heavy arched beam; the fixed supporting component is arranged on the jack;
the deformation detection steel wire erecting assembly is used for erecting a deformation detection steel wire; the deformation detection steel wire erection assembly is arranged on the rack.
Preferably, the jack fixing assembly comprises: the lifting jack comprises a bottom plate and a fixing groove, wherein the bottom plate is arranged on the rack, the fixing groove is arranged on the bottom plate, and the lifting jack is fixed in the fixing groove.
Preferably, the fixed support assembly comprises: the jack comprises a horizontal support plate, a vertical support plate and a clamping jackscrew, wherein the horizontal support plate is arranged on the jack, the vertical support plate is vertically arranged on the horizontal support plate, and the clamping jackscrew is screwed on the vertical support plate.
Preferably, the deformation detecting wire erection assembly comprises: the steel wire fixing device comprises a support, a wire ejecting frame and a steel wire fixing device, wherein the support is arranged on the rack, the wire ejecting frame is arranged on the support, and the steel wire fixing device is arranged on the support.
The invention also provides a using method of the deformation detection and measurement device for the field splicing construction of the heavy arched beams, the deformation detection and measurement device for the field splicing construction of the heavy arched beams comprises any one of the deformation detection and measurement devices for the field splicing construction of the heavy arched beams, and the method comprises the following steps:
mounting a jack on the jack fixing component;
mounting a fixed support assembly on the jack;
supporting a heavy arched beam on the fixed support assembly;
erecting a deformation detection steel wire on the deformation detection steel wire erecting component;
and carrying out deformation detection on the heavy arched beam by using the deformation detection steel wire.
The deformation detection and measurement device for the field splicing construction of the heavy arched beam and the use method thereof can improve the splicing quality of the field heavy arched beam and meet the relevant installation requirements of the heavy arched beam.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic overall structure diagram of a deformation detection and measurement device for field splicing construction of a heavy arched beam provided by the invention;
FIG. 2 is a schematic partial structural view of a deformation detection and measurement device for field splicing construction of a heavy arched beam according to the present invention;
FIG. 3 is a schematic partial structural view of a deformation detection and measurement device for field splicing construction of a heavy arched beam according to the present invention;
FIG. 4 is a partial structural schematic view of a deformation detection and measurement device for field splicing construction of a heavy arched beam according to the present invention;
FIG. 5 is a schematic partial structural view of a deformation detection and measurement device for field splicing construction of a heavy arched beam according to the present invention;
FIG. 6 is a schematic view of a deformation detection and measurement device for field splicing construction of a heavy arched beam according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1-6, in the embodiments of the present application, the present invention provides a deformation detection and measurement apparatus for field splicing construction of a heavy arched beam, including:
a frame 10 for mounting each part;
a jack fixing assembly 20 for fixing the jack 50; the jack fixing component 20 is arranged on the rack 10, and the jack 50 is arranged on the jack fixing component 20;
a fixed support assembly 30 for supporting the bottom of a heavy arched beam 60; the fixed support assembly 30 is disposed on the jack 50;
a deformation detection steel wire erecting component 40 for erecting a deformation detection steel wire; the deformation detection steel wire erection assembly 40 is arranged on the frame 10.
When the device is used, according to the size, the weight and the camber measurement and control point of the heavy arched beam 60, the theodolite is used for putting the jack fixing component 20 in place and is welded and fixed on the rack 10, then the jack 50 is placed in the jack fixing component 20, and the elevation of the top is ensured to be within a horizontal range. And correspondingly fixing the fixed supporting component 30 at the lower flange of the heavy arched beam 60 according to the position of the jack, so as to ensure that the horizontal part of the fixed supporting component 30 is in close contact with the lower flange plate of the arched beam. All the fixed support assemblies 30 should be symmetrically and uniformly fastened, so that the whole arched girder is in a free state without distortion under the fastening and clamping state of each fixed support assembly 30. Then, the deformation detection steel wire erection components 40 are arranged at two ends of the heavy arched beam 60, 5 steel wires are hung and fixed by the deformation detection steel wire erection components 40 respectively, and the distances between the steel wires and the flange plate and the top plate to be detected on the heavy arched beam 60 are controlled within 50-100mm so as to meet the measurement and control requirements of a dial indicator or an outer diameter kilopole. And five dial indicators are respectively fixed at four positions of the flange plate and the top plate and are all adjusted to zero positions. In the welding process, a curve graph of upper supply degree change is fitted through the change of the values of the five dial indicators, and then the curve graph is compared with a theoretical upper supply degree curve; the constructor adjusts the welding position, the welding current and the jack supporting position properly according to the difference value of the two curves, and finally obtains the heavy arched beam 60 with the distortion deformation and the upper camber meeting the requirements.
As shown in fig. 1 to 6, in the embodiment of the present application, the jack fixing assembly 20 includes: a bottom plate 21 and a fixing groove 22, wherein the bottom plate 21 is disposed on the frame 10, the fixing groove 22 is disposed on the bottom plate 21, and the jack 50 is fixed in the fixing groove 22.
The jack fixing component 20 is fixed on the frame 10, and provides a stable stressed supporting point for the lifting jack 50 according to the size of the large arched beam 60 to be spliced and a key pre-camber control point, so that the stability of the jack 50 in the splicing process is ensured, and the jack fixing component 20 is welded and fixed with the frame 10. The bottom plate 21 is 20mm thick, lays on the concrete of frame 10 to weld with the pre-buried steel sheet of concrete terrace limit portion and fix, its main effect is the roughness that strengthens the concrete terrace, and the destruction of protection component to the concrete. The fixing groove 22 is made of a steel plate and is in a U-shaped groove shape, the fixing groove is welded with the bottom base plate 21, and the position needing to be correspondingly supported before welding is ensured to be vertical to the fixing groove 22 of the horizontal part of the supporting system when the jack 50 works after being fixed.
As shown in fig. 1 to 6, in the embodiment of the present application, the fixed support assembly 30 includes: horizontal support plate 31, vertical support plate 32 and press from both sides tight jackscrew 33, wherein, horizontal support plate 31 set up in on jack 50, vertical support plate 32 vertically set up in on horizontal support plate 31, press from both sides tight jackscrew 33 screw in on vertical support plate 32.
The fixed supporting component 30 is made of section steel and is combined with the hydraulic jack 50 to be used as a supporting tool for the height-adjustable heavy arched beam 60, and the supporting quantity is determined according to the length of the spliced heavy arched beam 60 and the pre-arching supporting point. The fixed support assembly 30 is typically a split point support for two large arched beams 60 that are spliced together to provide a strong and stable support. The fixed support assembly 30 is mainly used for fixing a bracket on a lower flange plate of the heavy arched beam 60 by using a self-configured device to provide a stable support surface for the bottom jack 50, and the jack 50 is used for pre-arching and supporting the heavy arched beam 60 by using the jack 50 according to a related support point pre-arching value designed by factory manufacture, so that the heavy arched beam 60 is in a pre-arching free state during welding. Meanwhile, during welding, the camber can be adjusted correspondingly according to the expansion and contraction conditions of the welding seam of the heavy arched beam 60 in time. The clamping screws 33 are tools for effectively and fixedly connecting the fixed support assembly 30 to the heavy arched beam 60, and can precisely fix the heavy arched beam 60 according to a determined pre-camber control point. The horizontal support plate 31 is a horizontal part of the fixed support assembly 30, and is formed by combining and welding H-shaped steel into a box-shaped structure, the size of the box-shaped structure corresponds to the width of a flange plate under the heavy arched beam 60, and two square grooves made of steel plates are arranged at the bottom of the fixed support assembly 30 and used for positioning a piston of the jack 50 and preventing the piston from moving to cause uneven support stress. The vertical support plate 32 is a vertical portion of the fixed support member 30, is made of H-shaped steel, and has a hole bored in a middle portion thereof for fixing a fixing portion of the clamping jack screw 33.
As shown in fig. 1 to 6, in the present embodiment, the deformation detecting wire mounting assembly 40 includes: the steel wire fixing device comprises a bracket 41, a top wire frame 42 and a steel wire fastener 43, wherein the bracket 41 is arranged on the machine frame 10, the top wire frame 42 is arranged on the bracket 41, and the steel wire fastener 43 is arranged on the bracket 41.
The steel wire erection components 40 for deformation detection are arranged at two ends of the whole heavy arched beam 60, the arrangement is to use theodolite and level arrangement for projection, and the lower jacks 50 are correspondingly arranged below the support beams. The deformation detection steel wire erection assembly 40 is mainly characterized in that a stable measurement and control line frame is manufactured and installed on steel plate terraces at two ends of the heavy arched beam 60 and used for erecting steel wires, the line frame can automatically perform tightness operation on the steel wires, five datum lines are arranged on two sides of an upper flange plate and a lower flange plate of the heavy arched beam 60 and at a seam at the top of the upper flange plate, wherein four steel wires on the side surfaces of the upper flange plate and the lower flange plate are used for detecting the torsional deformation of the heavy arched beam 60; and the steel wire at the top of the upper flange plate is used for detecting the change of the camber value in the welding process. And the dial indicators of the magnetic bases are erected near the five datum lines respectively, and the positions, corresponding to the magnetic bases, of the magnetic bases are close to welding positions, so that the measurement values of expansion and contraction changes caused by welding temperature changes can be effectively reflected in real time. The bracket 41 is formed by welding channel steel, and a threading hole is determined and drilled according to the height position of a west flange plate on the heavy arched beam 60. Comprises four measuring points of an upper flange plate and a lower flange plate and a top measuring point, and is used for being matched with a steel wire fastener 43 to carry out hanging and fastening of a steel wire. The top line frame 42 is assembled by a screw rod and a matched bolt and a bracket, and is mainly used for fixing and detecting the change of the pre-camber of the top of the heavy arched beam 60 and matching with the steel wire fastener 43 to erect and fasten the steel wire. The steel wire fasteners 43 are fixed on the section steel by rollers, and the fixed positions of the rollers are determined according to the positions of upper and lower flange plates of the heavy arched beam 60, and the steel wire fasteners are matched with the top wire frame 42 to erect and fasten the steel wires.
The deformation detection and measurement device for the field splicing construction of the heavy arched beam and the use method thereof can improve the splicing quality of the field heavy arched beam and meet the relevant installation requirements of the heavy arched beam.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (5)
1. The utility model provides a detection measuring device that warp of heavy and large arched beam on-spot concatenation construction which characterized in that includes:
the frame is used for mounting each part;
the jack fixing component is used for fixing the jack; the jack fixing component is arranged on the rack, and the jack is arranged on the jack fixing component;
the fixed supporting component is used for supporting the bottom of the heavy arched beam; the fixed supporting component is arranged on the jack;
the deformation detection steel wire erecting assembly is used for erecting a deformation detection steel wire; the deformation detection steel wire erection assembly is arranged on the rack.
2. The apparatus of claim 1, wherein the jack mount assembly comprises: the lifting jack comprises a bottom plate and a fixing groove, wherein the bottom plate is arranged on the rack, the fixing groove is arranged on the bottom plate, and the lifting jack is fixed in the fixing groove.
3. The apparatus of claim 1, wherein the fixed support assembly comprises: the jack comprises a horizontal support plate, a vertical support plate and a clamping jackscrew, wherein the horizontal support plate is arranged on the jack, the vertical support plate is vertically arranged on the horizontal support plate, and the clamping jackscrew is screwed on the vertical support plate.
4. The apparatus of claim 1, wherein the steel cable assembly for detecting deformation comprises: the steel wire fixing device comprises a support, a wire ejecting frame and a steel wire fixing device, wherein the support is arranged on the rack, the wire ejecting frame is arranged on the support, and the steel wire fixing device is arranged on the support.
5. A method for using a deformation detection and measurement device for field splicing construction of a heavy arched beam, wherein the deformation detection and measurement device for field splicing construction of the heavy arched beam comprises the deformation detection and measurement device for field splicing construction of the heavy arched beam according to any one of claims 1 to 4, and the method comprises the following steps:
mounting a jack on the jack fixing component;
mounting a fixed support assembly on the jack;
supporting a heavy arched beam on the fixed support assembly;
erecting a deformation detection steel wire on the deformation detection steel wire erecting component;
and carrying out deformation detection on the heavy arched beam by using the deformation detection steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011525117.3A CN112525142A (en) | 2020-12-22 | 2020-12-22 | Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011525117.3A CN112525142A (en) | 2020-12-22 | 2020-12-22 | Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112525142A true CN112525142A (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011525117.3A Pending CN112525142A (en) | 2020-12-22 | 2020-12-22 | Deformation detection and measurement device for field splicing construction of heavy arched beams and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824025A (en) * | 2019-11-21 | 2021-05-21 | 成都飞机工业（集团）有限责任公司 | Dynamic pose leveling method for thin-wall part |
-
2020
- 2020-12-22 CN CN202011525117.3A patent/CN112525142A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112824025A (en) * | 2019-11-21 | 2021-05-21 | 成都飞机工业（集团）有限责任公司 | Dynamic pose leveling method for thin-wall part |
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