CN109870097B - High-altitude deflection measuring device for I-shaped large plate beam - Google Patents
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- CN109870097B CN109870097B CN201910225670.6A CN201910225670A CN109870097B CN 109870097 B CN109870097 B CN 109870097B CN 201910225670 A CN201910225670 A CN 201910225670A CN 109870097 B CN109870097 B CN 109870097B
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- 238000005259 measurement Methods 0.000 abstract description 16
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Abstract
The invention discloses a high-altitude deflection measuring device of an I-shaped large plate beam, which structurally comprises a position adjusting structure, a square, a measuring structure and a heavy hammer balancer, the two horizontal sides of the measuring structure are provided with position adjusting structures, the bottom surface of the measuring structure is vertically welded with two square rulers, the measuring structure is vertically provided with a heavy hammer balancer close to the central axis of the measuring structure, the heavy hammer balancer is movably attached to the right angle side of the square, the invention utilizes the cooperation of a position adjusting structure, the square, the measuring structure and the like to realize the high-altitude fixed position adjusting structure without building a supporting frame, and the station just can stand on ground and just can carry out the level proofreading and the height of record each side of big board roof beam to the alignment structure parallel, and the measurement structure can also carry out horizontal migration in high altitude, carries out the multiple spot measurement, obtains most data, reachs the maximum deflection of big board roof beam.
Description
Technical Field
The invention relates to the field of high-altitude operation, in particular to a high-altitude deflection measuring device for an I-shaped large plate beam.
Background
Generally, a factory which adopts a boiler to convert heat can install an air preheater at a tail flue of the boiler, the air preheater is installed at the tail flue, namely a high-altitude area, and can be fixed by adopting a large plate beam, the wind force on the large plate beam is larger, the general deformation speed of a single plate beam is higher, the bearing capacity of an I-shaped plate beam can be better, but the deformation can also occur, the traditional method is adopted for measuring the deflection at high altitude, measures such as steel wire erection and the like are needed, and when the multipoint measurement is carried out to improve the data accuracy, the disassembly and assembly are needed continuously, and the process is troublesome.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the utility model provides a high altitude amount of deflection measuring device of I shape large plate girder, its structure includes position adjusting structure, square, measurement structure, weight balancer, the position adjusting structure is installed to measurement structure level both sides, the vertical welding of measurement structure bottom surface has two squares, the position that measurement structure is close to measurement structure axis has the weight balancer of arranging perpendicularly, weight balancer and square right-angle side activity laminating.
As the further optimization of this technical scheme, measure the structure and include cylinder, shaft joint, dipperstick, casing, restriction slide, the cylinder is installed on the top in the middle of the casing is inside, the cylinder passes through shaft joint and dipperstick vertical fixation and connects, expose in the air behind the dipperstick end perpendicular run through chassis bottom, the restriction slide is still installed to the level left and right sides that the dipperstick is located the inside department of casing.
As the further optimization of this technical scheme, dipperstick head end both sides are the cockscomb structure, and the restriction slide has also been opened near the inboard of cylinder to have the sawtooth notch, and this cockscomb structure adopts the swing joint with the restriction slide, increases the stability of being connected of dipperstick and casing, is difficult to break away from the casing on the vertical direction, the terminal cross section of dipperstick is the triangle point form.
As a further optimization of the technical scheme, the middle of the measuring scale is provided with an observation opening, and the measuring scales at two sides of the observation opening are engraved with scales so as to be convenient for observing the deflection.
As a further optimization of the technical proposal, the position adjusting structure consists of two fixed claws, a thread telescopic sleeve, a rotating head, a small motor, a second rotating head, a connecting sleeve and an extension cylinder, the rotating head and the second rotating head are respectively arranged at the left side and the right side of the measuring structure, no thread on the rotating head is movably matched with the casing, one end of the rotary head is horizontally fixed with an output shaft of a small motor positioned in the shell, the other end of the rotary head is connected with one end of the threaded telescopic sleeve in a clamping way, the tail end of the threaded telescopic sleeve is movably clamped with the fixed claw, two connecting notches with different diameters are arranged on two end faces of the connecting sleeve, the surface of the second rotating head is provided with threads, the second rotating head is connected with the end with smaller diameter of the connecting sleeve by threads, the other end of the linking sleeve is linked with the extending cylinder, and the tail end of the extending cylinder and the linking sleeve are provided with fixing claws.
As the further optimization of the technical scheme, the fixing claw is composed of an adapter, a ring hook, a rope and a binding seat, one end of the adapter is clamped with the extension cylinder and the thread telescopic sleeve, the other end of the adapter is horizontally and fixedly connected with the ring hook, the rope is bound at the tail end of the ring hook, the binding seat is arranged on the side face, close to the tail end of the ring hook, of the adapter, and the binding seat and the adapter are horizontally welded together.
As a further optimization of the technical scheme, the extension cylinder is composed of a first inner cylinder and a second extension cylinder, one end of the first inner cylinder is located inside the second extension cylinder, and the first inner cylinder and the second extension cylinder are in sliding fit.
As a further optimization of the technical scheme, the heavy hammer balancer is composed of a fixed base, a perpendicular line and a cone, wherein the fixed base is vertically arranged on the bottom surface of the casing on two sides of the measuring ruler, the cone is suspended on the fixed base through the perpendicular line, and the perpendicular line is movably attached to the square.
As the further optimization of this technical scheme, the inside balancing weight that disposes of casing relative with the small electric machine for the whole weight of balanced measurement structure avoids its inside unbalance, leads to unable laminating of plumb line and square.
Advantageous effects
Compared with the prior art, the high-altitude deflection measuring device for the I-shaped large plate girder has the following advantages that:
1. according to the invention, the counter weight balancer and the square are matched together, so that horizontal balance correction can be carried out on the ground, and compared with the existing steel frame construction, the correction by using a level gauge is also required, and the convenience is improved.
2. The invention utilizes the cooperation of the cylinder and the measuring scale, adapts to I-shaped large plate beams with different heights by extending the measuring scale, tests the data height of the bottom surface of the I-shaped large plate beam, records the data and does not need to measure in sequence.
3. The invention realizes that the measuring structure carries out horizontal displacement in high altitude by utilizing the cooperation of the threaded telescopic sleeve, the small motor and the extension cylinder, and carries out multipoint measurement on the large plate girder without disassembly and assembly.
4. The invention can be directly hooked and fixed on the beam column of the large plate beam by using the fixing claws without building a support frame and reinforcing the connection relation between the two by binding the binding seat through a rope.
5. The jagged head end and the triangular tip shape at the tail end of the measuring scale are designed, so that the connection relation between the measuring scale and the shell is strengthened, and whether the measuring scale reaches the bottommost surface of the large plate girder or not can be observed more intuitively when the measuring scale descends to be in contact with the large plate girder.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an assembled high-altitude deflection measuring device of an I-shaped large plate beam.
FIG. 2 is a schematic structural diagram of a measurement structure according to the present invention.
FIG. 3 is a schematic view of the engagement sleeve of the present invention.
Fig. 4 is a schematic structural view of the extension cylinder of the present invention when extended.
FIG. 5 is a schematic structural view of the extension cylinder of the present invention when it is not extended.
FIG. 6 is a schematic view of the non-extended structure of the threaded telescopic sleeve of the present invention.
Fig. 7 is a side view schematically illustrating the structure of the fixing jaw of the present invention.
FIG. 8 is a top view of the holding pawl of the present invention.
FIG. 9 is a schematic diagram of a partial perspective structure of the weight balancer of the present invention.
Fig. 10 is a perspective view of the measuring ruler of the present invention.
In the figure: the position adjusting structure 1, the square 2, the measuring structure 3, the weight balancer 4, the air cylinder 31, the coupling 32, the measuring scale 33, the casing 34, the limiting sliding plate 35, the viewing port b, the fixed jaw 11, the threaded telescopic sleeve 12, the rotary head 13, the small motor 14, the second rotary head 15, the connecting sleeve 16, the extending cylinder 17, the connecting head 111, the ring hook 112, the rope 113, the binding seat 114, the first inner cylinder 171, the second extending cylinder 172, the fixed base 41, the vertical line 42 and the cone 43.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1-10, the invention provides an overhead deflection measuring device for an i-shaped slab beam, which structurally comprises a position adjusting structure 1, square rulers 2, a measuring structure 3 and a weight balancer 4, wherein the position adjusting structure 1 is installed on two horizontal sides of the measuring structure 3, the two square rulers 2 are vertically welded on the bottom surface of the measuring structure 3, the weight balancer 4 is vertically arranged at a position of the measuring structure 3 close to the central axis of the measuring structure 3, and the weight balancer 4 is movably attached to the right-angled sides of the square rulers 2.
The measuring structure 3 comprises a cylinder 31, a coupler 32, a measuring scale 33, a casing 34 and a limiting sliding plate 35, the cylinder 31 is installed at the top end of the middle inside the casing 34, the cylinder 31 is connected with the measuring scale 33 through the coupler 32 in a vertical fixed mode, the tail end of the measuring scale 33 perpendicularly penetrates through the bottom of the casing 34 and then is exposed in the air, and the limiting sliding plate 35 is further installed on the left side and the right side of the level where the measuring scale 33 is located inside the casing 34.
Dipperstick 33 head end both sides are the cockscomb structure, and restriction slide 35 also opens the sawtooth notch near the inboard of cylinder 31, and this cockscomb structure adopts the activity meshing with restriction slide 35, increases dipperstick 33 and casing 34's stability of being connected, is difficult to break away from casing 34 on the vertical direction, the terminal cross section of dipperstick 33 is the triangle point form, can be fully in the same place with the full contact of big plate girder.
An observation opening b is formed in the middle of the measuring scale 33, and scales are engraved on the measuring scale 33 on two sides of the observation opening b, so that the deflection can be observed conveniently.
The position adjusting structure 1 comprises two fixed claws 11, a threaded telescopic sleeve 12, a rotary head 13, a small motor 14, a second rotary head 15, a connecting sleeve 16 and an extending cylinder 17, wherein the rotary head 13 and the second rotary head 15 are respectively arranged at the left side and the right side of the level of the measuring structure 3, the non-thread on the rotary head 13 is movably matched with the shell 34, one end of the rotary head 13 is horizontally fixed with an output shaft of the small motor 14 positioned in the shell 34, the other end of the rotary head 13 is connected with one end of the threaded telescopic sleeve 12 in a clamping manner, the tail end of the threaded telescopic sleeve 12 is movably clamped with the fixed claws 11, two end faces of the connecting sleeve 16 are provided with two connecting notches with different diameters, the surface of the second rotary head 15 is provided with threads, the second rotary head 15 is connected with the end with the smaller diameter of the connecting sleeve 16 in a threaded manner, and the other end of the connecting sleeve 16 is connected with, the extending cylinder 17 and the engaging sleeve 16 are provided with fixing claws 11 at the extreme ends thereof.
The fixing claw 11 is composed of an adapter 111, a ring hook 112, a rope 113 and a binding seat 114, one end of the adapter 111 is clamped with the extension cylinder 17 and the thread telescopic sleeve 12, the other end of the adapter is horizontally and fixedly connected with the ring hook 112, the rope 113 is bound at the tail end of the ring hook 112, the binding seat 114 is arranged on the side face, close to the tail end of the ring hook 112, of the adapter 111, the binding seat 114 and the adapter 111 are horizontally welded together, the ring hook 112 can be used for fixing a beam column of a large plate beam, then the rope 113 is used for binding, and the connection relation between the fixing claw 11 and the beam column can be increased.
The extension cylinder 17 is composed of a first inner cylinder 171 and a second extension cylinder 172, one end of the first inner cylinder 171 is located inside the second extension cylinder 172, and the first inner cylinder 171 and the second extension cylinder 172 are in sliding fit.
The weight balancer 4 is composed of a fixed base 41, a vertical line 42 and a cone 43, the fixed base 41 is vertically arranged on the bottom surface of the casing 34 at two sides of the measuring ruler 33, the cone 43 is hung on the fixed base 41 through the vertical line 42, and the vertical line 42 is movably attached to the square 2.
The inside balancing weight a that disposes of casing 34 relative with little motor 14 for the whole weight of balanced measurement structure 3 avoids its inside unbalance, leads to perpendicular 42 and square 2 can't laminate.
The invention is fixed by utilizing the fixed claws 11 to hook the beam columns at the two ends of the large plate beam, and can be stably tied on the tying seat 114 after passing around the beam columns through the ropes 113, so that the connection relation between the fixed claws 11 and the beam columns is enhanced, a person holds the cone 43 on the ground, the cone 43 is quickly stopped to shake, then the fitting condition of the top of the vertical line 42 and the right-angle side of the square 2 is observed, if the two are fitted, the two ends of the position adjusting structure 1 are horizontally parallel to the bottom surface, the measurement can be carried out, if the two are separated, the heights of the two fixed claws 11 need to be adjusted until the two fixed claws 11 are at the same height, namely the top of the vertical line 42 and the right-angle side of the square 2.
And secondly, starting the air cylinder 31, pushing the measuring scale 33 to move downwards continuously under the action of the coupling 32 until the tail end of the measuring scale 33 reaches the bottommost surface of the I-shaped large plate girder, and observing whether the measuring scale 33 reaches the bottommost surface of the large plate girder without exceeding the bottommost surface through the triangular tip design of the measuring scale 33 more intuitively, and then, recording the height of each horizontal plane of the large plate girder through the observation port b, and resetting the measuring scale 33 according to the method.
And thirdly, starting the small motor 14, driving the thread telescopic sleeve 12 to stretch through the rotary head 13, pushing the thread telescopic sleeve 12 to the direction of the extension barrel 17 in a combined manner when the length of the thread telescopic sleeve 12 is increased, enabling the second extension barrel 172 to be overlapped with the first inner barrel 171 in a sliding manner, realizing the horizontal displacement of the measuring structure 3, acquiring the data of the large plate girder at the point according to the first step and the second step, realizing the movement in the direction opposite to the direction when the length of the thread telescopic sleeve 12 is shortened, and testing without assembling after disassembling.
In conclusion, the data of multipoint measurement is obtained according to the steps, the maximum deflection of the large plate girder is obtained according to the big data, and the position adjusting structure 1 can be detached when not in use, so that the space utilization rate is increased.
The invention solves the problems that the traditional method is adopted for measuring deflection at high altitude, measures such as steel wire erection and the like are needed, and continuous disassembly and assembly are needed when multipoint measurement is carried out to improve the data accuracy, so that the process is troublesome. According to the invention, through the mutual combination of the components, the position adjusting structure 1, the square 2, the measuring structure 3 and the like are matched together, so that the position adjusting structure 1 can be fixed at high altitude without building a supporting frame, whether the position adjusting structure 1 is parallel or not can be horizontally corrected and the height of each side surface of the large plate girder can be visually observed and recorded when the platform stands on the ground, the measuring structure 3 can also horizontally move at high altitude, multi-point measurement is carried out, most data are obtained, and the maximum deflection of the large plate girder is obtained.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (1)
1. The utility model provides a high altitude amount of deflection measuring device of I shape large plate girder which characterized in that: the structure of the device comprises a position adjusting structure (1), square rulers (2), a measuring structure (3) and a heavy hammer balancer (4), wherein the position adjusting structure (1) is installed on two horizontal sides of the measuring structure (3), the two square rulers (2) are vertically welded on the bottom surface of the measuring structure (3), the heavy hammer balancer (4) is vertically arranged at a position, close to the central axis of the measuring structure (3), and the heavy hammer balancer (4) is movably attached to the right-angle side of the square ruler (2); the measuring structure (3) comprises an air cylinder (31), a coupling (32), a measuring scale (33), a casing (34) and a limiting sliding plate (35), the air cylinder (31) is installed at the top end of the middle inside the casing (34), the air cylinder (31) is vertically and fixedly connected with the measuring scale (33) through the coupling (32), the tail end of the measuring scale (33) vertically penetrates through the bottom of the casing (34) and then is exposed in the air, and the limiting sliding plate (35) is further installed on the left side and the right side of the measuring scale (33) which are located at the horizontal position inside the casing (34); both sides of the head end of the measuring scale (33) are in a sawtooth shape, the inner side of the limiting sliding plate (35) close to the cylinder (31) is also provided with a sawtooth notch, the sawtooth shape is movably meshed with the limiting sliding plate (35), the shell (34) is not easy to separate in the vertical direction, and the cross section of the tail end of the measuring scale (33) is in a triangular tip shape; an observation port (b) is arranged in the middle of the measuring scale (33); the position adjusting structure (1) is composed of two fixed claws (11), a threaded telescopic sleeve (12), a rotary head (13), a small motor (14), a second rotary head (15), a linking sleeve (16) and an extension cylinder (17), wherein the rotary head (13) and the second rotary head (15) are respectively arranged at the left side and the right side of the level of the measuring structure (3), no thread on the rotary head (13) is movably matched with a casing (34), one end of the rotary head (13) is horizontally fixed with an output shaft of the small motor (14) in the casing (34), the other end of the rotary head (13) is clamped and connected with one end of the threaded telescopic sleeve (12), the tail end of the threaded telescopic sleeve (12) is movably clamped with the fixed claws (11), two end faces of the linking sleeve (16) are provided with two linking notches with different diameters, the surface of the second rotary head (15) is provided with threads, and the second rotary head (15) is connected with the end with the smaller diameter of the linking sleeve (16) through threads, the other end of the engaging sleeve (16) is engaged with an extending cylinder (17), and the tail ends of the extending cylinder (17) and the engaging sleeve (16) are provided with fixing claws (11); the fixing claw (11) consists of an adaptor head (111), a ring hook (112), a rope (113) and a binding seat (114), one end of the adaptor head (111) is clamped with the extension cylinder (17) and the thread telescopic sleeve (12), the other end of the adaptor head is horizontally and fixedly connected with the ring hook (112), the rope (113) is bound at the tail end of the ring hook (112), and the binding seat (114) is arranged on the side surface of the adaptor head (111) close to the tail end of the ring hook (112); the extension cylinder (17) is composed of a first inner cylinder (171) and a second extension cylinder (172), and one end of the first inner cylinder (171) is positioned inside the second extension cylinder (172); the heavy hammer balancer (4) consists of a fixed base (41), a vertical line (42) and a cone (43), the fixed base (41) is vertically arranged on the bottom surface of the shell (34) on two sides of the measuring ruler (33), the cone (43) is hung on the fixed base (41) through the vertical line (42), and the vertical line (42) is movably attached to the square (2); a balancing weight (a) is arranged in the machine shell (34) opposite to the small motor (14);
the invention is fixed by using the fixed claws (11) to hook the beam columns at the two ends of the large plate girder, the large plate girder can be stably tied on the tying seat (114) after passing through the beam columns through the ropes (113), the connection relation between the fixed claws (11) and the beam columns is enhanced, the cone (43) is held by hand, the cone (43) is quickly stopped to shake, then the joint condition of the top of the vertical line (42) and the right-angle side of the square (2) is observed, if the fixed claws and the right-angle side are jointed, the horizontal parallel of the two ends of the position adjusting structure (1) and the bottom surface can be measured, if the fixed claws and the right-angle side are separated, the height of the two fixed claws (11) needs to be adjusted until the two fixed claws (11) are jointed with the same height, namely the top of the right-angle vertical line (42) and the bottom surface of the square (2), the air cylinder (31) is started, the measuring scale (33) is pushed to continuously move downwards under the action of the right-angle, the design of the triangular tip of the measuring scale (33), observe whether the measuring scale (33) reaches the bottommost surface of the large plate girder but not exceed more intuitively, the height of each horizontal plane of the large plate girder is recorded through the observation port (b), the measuring scale (33) is reset according to the method, the small motor (14) is started, the thread telescopic sleeve (12) is driven to stretch through the rotary head (13), when the length of the thread telescopic sleeve (12) is increased, the thread telescopic sleeve (12) is pushed towards the direction of the extension cylinder (17) in a combined manner, the second extension cylinder (172) and the first inner cylinder (171) are overlapped in a sliding manner, the horizontal displacement of the measuring structure (3) is realized, and when the length of the thread telescopic sleeve (12) is shortened, the movement in the opposite direction to the above-mentioned direction is realized.
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| CN201910225670.6A CN109870097B (en) | 2019-03-25 | 2019-03-25 | High-altitude deflection measuring device for I-shaped large plate beam |
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| CN201910225670.6A CN109870097B (en) | 2019-03-25 | 2019-03-25 | High-altitude deflection measuring device for I-shaped large plate beam |
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| CN109870097B true CN109870097B (en) | 2020-11-27 |
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| CN112924172B (en) * | 2021-02-02 | 2022-11-04 | 浙江来福谐波传动股份有限公司 | Bearing rigidity measuring instrument and measuring method thereof |
| CN115824539A (en) * | 2023-02-14 | 2023-03-21 | 滨州市特种设备检验研究院 | Large plate girder deflection measuring system |
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