CN115008385B - Auxiliary installation positioning mechanism for side wall of wind tunnel boundary layer and application method thereof - Google Patents
Auxiliary installation positioning mechanism for side wall of wind tunnel boundary layer and application method thereof Download PDFInfo
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- CN115008385B CN115008385B CN202210740652.3A CN202210740652A CN115008385B CN 115008385 B CN115008385 B CN 115008385B CN 202210740652 A CN202210740652 A CN 202210740652A CN 115008385 B CN115008385 B CN 115008385B
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- concrete slab
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- rotary drum
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
A wind tunnel boundary layer side wall auxiliary installation positioning mechanism and a use method thereof belong to the field of positioning mechanisms. Comprises an auxiliary device I, an auxiliary device II, a limiting device and a positioning device; the auxiliary device I is arranged on a fixed concrete slab, the auxiliary device II is arranged at the upper end of a pre-installed concrete slab, and a limiting device is arranged at the upper end of the auxiliary device II; the locating device is fixedly connected to the upper end of the auxiliary device I, and the limiting device is sleeved on the locating device. The invention not only can assist in installing and positioning concrete plates, but also can assist in installing the inclined side wall of the accelerating section in the wind tunnel, and finally can test the flatness of the inner wall of the wind tunnel, thereby avoiding affecting the use of the wind tunnel.
Description
Technical Field
The invention relates to an auxiliary installation positioning mechanism for a side wall of a wind tunnel boundary layer and a use method thereof, and belongs to the field of positioning mechanisms.
Background
Wind tunnel, i.e. wind tunnel laboratory, is a kind of pipeline-like experimental equipment which is used to simulate the flow of air around an aircraft or entity by means of artificial generation and control of air flow, and to measure the effect of air flow on the entity and observe physical phenomena, and is one of the most commonly used and effective tools for aerodynamic experiments.
According to the experiment, the size of wind tunnel is also different, and the concrete slab needs to be lifted through hoisting equipment when installing in great wind tunnel, and especially when the accelerating section of wind tunnel is installed, the lateral wall of accelerating section needs slope setting, and after inclination is adjusted, then need readjusting the angle after hoist misoperation has the displacement in the horizontal direction, very troublesome, and the inner wall of wind tunnel need guarantee the smooth even passing of wind energy, consequently whether need observe the wind tunnel inner wall after the installation is accomplished level and smooth, consequently need a positioning mechanism to carry out supplementary installation.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides an auxiliary installation and positioning mechanism for a boundary layer side wall of a wind tunnel and a use method thereof.
The invention achieves the above purpose, adopts the following technical scheme:
the auxiliary installation positioning mechanism comprises an auxiliary device I, an auxiliary device II, a limiting device and a positioning device; the auxiliary device I is arranged on a fixed concrete slab, the auxiliary device II is arranged at the upper end of a pre-installed concrete slab, and a limiting device is arranged at the upper end of the auxiliary device II; the locating device is fixedly connected to the upper end of the auxiliary device I, and the limiting device is sleeved on the locating device.
The application method of the auxiliary installation positioning mechanism for the side wall of the wind tunnel boundary layer comprises the following steps:
step one: respectively placing the U-shaped plate I and the U-shaped plate II at the upper end of a corresponding concrete slab;
step two: rotating the bolt I and the bolt II to enable the clamping plate I and the clamping plate II to lean against the side wall of the concrete slab;
step three: sleeving the sliding chute on the sliding block, and then lifting the pre-installed concrete slab to a preset position through a crane;
step four: when the concrete slab is placed downwards, the round hole is sleeved on the outer side of the rotary drum, and the clamping block is embedded into the slideway I;
step five: slowly rotating the concrete slab by the crane until reaching a preset angle, and stopping rotating;
step six: and rotating the polygonal knob to enable the screw to push the auxiliary device II to move, and finally placing the concrete slab on the bottom surface through the crane.
Compared with the prior art, the invention has the beneficial effects that: the invention not only can assist in installing and positioning concrete plates, but also can assist in installing the inclined side wall of the accelerating section in the wind tunnel, and finally can test the flatness of the inner wall of the wind tunnel, thereby avoiding affecting the use of the wind tunnel.
Drawings
FIG. 1 is a front view of a wind tunnel boundary layer sidewall assisted mounting positioning mechanism of the present invention mounted to a concrete slab;
FIG. 2 is a top view of a wind tunnel boundary layer sidewall-assisted mounting positioning mechanism of the present invention mounted to a concrete slab;
FIG. 3 is a front view of a wind tunnel boundary layer sidewall assisted mounting positioning mechanism of the present invention;
FIG. 4 is a side view of an auxiliary device I of the invention for auxiliary mounting of a positioning mechanism to a boundary layer side wall of a wind tunnel;
FIG. 5 is a side view of an auxiliary device II of the auxiliary installation positioning mechanism for the side wall of the wind tunnel boundary layer of the invention;
FIG. 6 is a front view of a stop device of the wind tunnel boundary layer sidewall auxiliary installation positioning mechanism of the present invention;
FIG. 7 is a cross-sectional view of a positioning device of the present invention for aiding in the installation of a positioning mechanism on the side wall of a boundary layer of a wind tunnel.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are all within the protection scope of the present invention.
The first embodiment is as follows: as shown in fig. 1-7, this embodiment describes a wind tunnel boundary layer side wall auxiliary installation positioning mechanism, which includes an auxiliary device i 1, an auxiliary device ii 2, a limiting device 3 and a positioning device 4; the auxiliary device I1 is arranged on the fixed concrete slab 5, the auxiliary device II 2 is arranged at the upper end of the pre-installed concrete slab 5, and the upper end of the auxiliary device II 2 is provided with the limiting device 3; the positioning device 4 is fixedly connected to the upper end of the auxiliary device I1, and the limiting device 3 is sleeved on the positioning device 4.
The second embodiment is as follows: as shown in fig. 1 to 7, this embodiment is a further explanation of the first embodiment, and the auxiliary device i 1 includes a U-shaped plate i 11, a plurality of bolts i 12, a plurality of springs i 13, a plurality of clamping plates i 14, and a support plate i 111; the U-shaped plate I11 is downwards arranged in an opening way, the U-shaped plate I11 is placed at the upper end of the fixed concrete slab 5, and a plurality of threaded holes are formed in two sides of the U-shaped plate I11; a spring I13 is fixedly connected to the opposite surface of the inner side of the U-shaped plate I11, and the other end of the spring I13 is fixedly connected with a corresponding clamping plate I14; the bolts I12 are in threaded connection with the corresponding threaded holes, and the corresponding clamping plates I14 are abutted against the side surfaces of the fixed concrete slab 5; the backup pad I111 fixed connection is on the lateral surface top of U-shaped board I11.
And a third specific embodiment: as shown in fig. 1-7, this embodiment is further described with respect to the first embodiment, and the auxiliary device ii 2 includes a U-shaped plate ii 21, a plurality of bolts ii 22, a plurality of springs ii 23, a plurality of clamping plates ii 24, a supporting plate ii 25, and a slider 26; the U-shaped plate II 21 is arranged downwards by leaning on the opening, the U-shaped plate II 21 is placed at the upper end of the pre-installed concrete slab 5, and a plurality of screw holes are formed in two sides of the U-shaped plate II 21; a spring II 23 is fixedly connected to the opposite surface of the inner side of the U-shaped plate II 21, and the other end of the spring II 23 is fixedly connected with a corresponding clamping plate II 24; the bolts II 22 are in threaded connection with the corresponding screw holes, and the corresponding clamping plates II 24 are propped against the side surface of the pre-installed concrete slab 5; the backup pad II 25 fixed connection is on the lateral surface top of U-shaped board II 21, and the upper end fixedly connected with slider 26 of backup pad II 25.
The specific embodiment IV is as follows: as shown in fig. 1 to 7, this embodiment is further described with reference to the first embodiment, where the limiting device 3 includes a connecting plate 31, a clamping block 32, a screw 35, and a polygonal knob 36; a chute 34 is arranged on the lower end surface of the connecting plate 31, a screw rod 35 is connected to the side surface of the connecting plate 31 through threads, one end of the screw rod 35 passes through the connecting plate 31 and is arranged in the chute 34, and a polygonal knob 36 is fixedly connected to the other end of the screw rod 35; the sliding block 26 is in sliding fit with the sliding groove 34; the connecting plate 31 is provided with a round hole 33 vertically penetrating through the connecting plate 31, and a clamping block 32 is fixedly connected to the inner wall of the round hole 33.
Fifth embodiment: as shown in fig. 1-7, this embodiment is further described with respect to the first embodiment, and the slider 26 is a rectangular block.
Specific embodiment six: as shown in fig. 1-7, this embodiment is further described with respect to the first embodiment, and the positioning device 4 includes a rotating cylinder 43 and a fixed cylinder 45; the fixed cylinder 45 is fixedly connected to the upper end of the supporting plate I111; the rotary drum 43 cup joints in the outside of fixed section of thick bamboo 45, and is equipped with slide I42 that is on the outer disc of rotary drum 43, rotary drum 43 and round hole 33 sliding fit, and fixture block 32 and slide I42 sliding fit.
Seventh embodiment: as shown in fig. 1-7, this embodiment is further described with respect to the first embodiment, where the positioning device 4 further includes a screw cap 41 and a stop rod 47; the inner wall of the rotary drum 43 is provided with a slide way II 44 parallel to the axial direction, and the fixed drum 45 is provided with a spiral groove 46 penetrating through the wall of the drum; the limiting rod 47 is in sliding fit with the slide way II 44 and the spiral groove 46; the screw cap 41 is provided with two screw grooves with different depths, and the two screw grooves are respectively in threaded connection with the rotary drum 43 and the fixed drum 45.
Eighth embodiment: as shown in fig. 1-7, this embodiment is further described with respect to the first embodiment, where the auxiliary device i 1 further includes a round rod i 15, a fixed shaft 16, a round rod ii 17, a connecting rod 19, and a nut 110; the top end of the U-shaped plate I11 is provided with a slideway III 18; the connecting rod 19 is positioned in the slideway III 18, the upper end of the connecting rod 19 is connected with a nut 110 through threads, and the lower end of the connecting rod 19 is fixedly connected with a round rod II 17; the fixed shaft 16 is fixedly connected to the inner top wall of the U-shaped plate I11; the round rod I15 is sleeved on the fixed shaft 16 through a bearing; the length of the U-shaped plate I11 is equal to the height of the concrete slab 5.
Detailed description nine: as shown in fig. 1-7, this embodiment is further described with respect to the first embodiment, where the clamping plate i 14 abuts against the side wall of the concrete slab 5, and the round bar i 15 and the round bar ii 17 are located between the corresponding clamping plate i 14 and the inner wall of the U-shaped plate i 11.
Detailed description ten: as shown in fig. 1-7, the present embodiment describes a method for using a wind tunnel boundary layer sidewall auxiliary installation positioning mechanism, the method includes the following steps:
step one: the U-shaped plate I11 and the U-shaped plate II 21 are respectively arranged at the upper ends of the corresponding concrete slabs 5;
step two: turning the bolt I12 and the bolt II 22 to press the clamping plate I14 and the clamping plate II 24 against the side wall of the concrete slab 5;
step three: sleeving the sliding chute 34 on the sliding block 26, and then lifting the pre-installed concrete slab 5 to a preset position by a crane;
step four: when the concrete slab 5 is placed downwards, the round hole 33 is sleeved outside the rotary drum 43, and the clamping block 32 is embedded into the slideway I42;
step five: slowly rotating the concrete slab 5 by the crane until reaching a preset angle, and stopping rotating;
step six: and rotating the polygonal knob 36 to enable the screw rod 35 to push the auxiliary device II 2 to move, and finally placing the concrete slab 5 on the bottom surface through a crane.
The working principle of the invention is as follows: placing a U-shaped plate I11 on the fixed concrete slab 5, and placing a U-shaped plate II 21 on the upper end of the pre-installed concrete slab 5; turning the bolts I12 and II 22 to enable the bolts I12 and II 22 to respectively move towards the direction of the concrete slab 5 against the clamping plates I14 and II 24 and finally to be propped against the side wall of the corresponding concrete slab 5;
sleeving the sliding chute 34 on the sliding block 26, then lifting the pre-installed concrete slab 5 to a preset position by a crane, and moving an auxiliary device II 2 installed at the upper end of the concrete slab 5 together when the concrete slab 5 is lifted;
after the lifted concrete slab 5 is placed downwards to a certain height from the bottom surface, the limiting device 3 is sleeved on the positioning device 4, namely the round hole 33 is sleeved on the outer side of the rotary drum 43, and the clamping block 32 is embedded into the slideway I42;
then slowly rotating the concrete slab 5 through the crane, wherein friction is not generated between the concrete slab 5 and the bottom surface due to a certain distance between the concrete slab 5 and the bottom surface, the connecting plate 31 is sleeved on the rotary drum 43 through the round hole 33, the connecting plate 31 is positioned in the middle of the rotary drum 43, the concrete slab 5 is driven to rotate in the rotating process of the crane, the concrete slab 5 drives an auxiliary device II 2 at the upper end of the auxiliary device II to rotate, the sliding block 26 at the upper end of the auxiliary device II 2 drives the connecting plate 31 to rotate around the rotary drum 43 through the sliding groove 34, the rotary drum 43 is driven to rotate through the clamping block 32 in the rotating process of the connecting plate 31, the rotary drum 43 drives the limiting rod 47 to rotate through the sliding way II 44, the rotary drum 43 and the fixed drum 45 relatively rotate due to the fact that the fixed drum 45 is fixed, the limiting rod 47 moves downwards along the sliding way II 44 simultaneously, and the crane is closed until a preset angle is reached, and the rotation is stopped; then the spiral cover 41 is connected to the upper ends of the rotary drum 43 and the fixed drum 45 through threads, so that the rotary drum 43 cannot rotate relative to the fixed drum 45, further the rotation of the connecting plate 31 is limited, and the problem that the angle needs to be readjusted due to misoperation of a crane can be avoided;
after the angle adjustment is finished, the polygonal knob 36 is rotated through a tool, the screw rod 35 is driven to rotate through the polygonal knob 36, the screw rod 35 is further contacted with the sliding block 26, the sliding block 26 pushes the auxiliary device II 2 to move, the auxiliary device II 2 drives the pre-installed concrete slab 5 to move towards the direction of the fixed concrete slab 5, meanwhile, the crane drives the pre-installed concrete slab 5 to move downwards, and when the lower end of the pre-installed concrete slab 5 is contacted with the bottom surface, the side surface of the pre-installed concrete slab 5 is also contacted with the fixed concrete slab 5, and then the pre-installed concrete slab 5 and the fixed concrete slab are fixed;
after the fixing is finished, the auxiliary device II 2 and the limiting device 3 are disassembled, the bolt I12 is screwed, the clamping plate I14 moves towards the direction of the U-shaped plate I11 under the action of the spring 13, then the round rod I15 is abutted against the inner wall of the concrete slab 5, then the round rod II 17 is pushed, the round rod II 17 is abutted against the outer wall of the concrete slab 5, then the round rod II is fixed through the nut 110, finally the auxiliary device I1 is pushed towards the direction of the joint of the two concrete slabs 5, when the joint is provided with a bulge, the auxiliary device I1 can be pushed still due to the fact that the distance between the round rod I15 and the round rod II 17 is fixed, and then polishing is carried out through polishing equipment until the auxiliary device I1 can pass through the joint; through the steps, after the connection of the two concrete plates 5 is completed, the flatness test can be carried out on the arc-shaped inner wall at the connection position, so that the connection position can be timely processed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a wind tunnel boundary layer lateral wall auxiliary installation positioning mechanism which characterized in that: comprises an auxiliary device I (1), an auxiliary device II (2), a limiting device (3) and a positioning device (4); the auxiliary device I (1) is arranged on the fixed concrete slab (5), the auxiliary device II (2) is arranged at the upper end of the pre-installed concrete slab (5), and the upper end of the auxiliary device II (2) is provided with a limiting device (3); the positioning device (4) is fixedly connected to the upper end of the auxiliary device I (1), and the limiting device (3) is sleeved on the positioning device (4);
the auxiliary device I (1) comprises a U-shaped plate I (11), a plurality of bolts I (12), a plurality of springs I (13), a plurality of clamping plates I (14) and a supporting plate I (111); the U-shaped plate I (11) is downwards arranged in an opening manner, the U-shaped plate I (11) is placed at the upper end of the fixed concrete slab (5), and a plurality of threaded holes are formed in two sides of the U-shaped plate I (11); a spring I (13) is fixedly connected to the opposite surface of the inner side of the U-shaped plate I (11), and the other end of the spring I (13) is fixedly connected with a corresponding clamping plate I (14); the bolts I (12) are in threaded connection with the corresponding threaded holes, and the corresponding clamping plates I (14) are abutted against the side surfaces of the fixed concrete plates (5); the supporting plate I (111) is fixedly connected to the top end of the outer side surface of the U-shaped plate I (11);
the auxiliary device II (2) comprises a U-shaped plate II (21), a plurality of bolts II (22), a plurality of springs II (23), a plurality of clamping plates II (24), a supporting plate II (25) and a sliding block (26); the U-shaped plate II (21) is arranged downwards near the opening, the U-shaped plate II (21) is placed at the upper end of the pre-installed concrete slab (5), and a plurality of screw holes are formed in two sides of the U-shaped plate II (21); a spring II (23) is fixedly connected to the opposite surface of the inner side of the U-shaped plate II (21), and the other end of the spring II (23) is fixedly connected with a corresponding clamping plate II (24); the bolts II (22) are in threaded connection with the corresponding screw holes, and the corresponding clamping plates II (24) are propped against the side surface of the pre-installed concrete slab (5); the support plate II (25) is fixedly connected to the top end of the outer side surface of the U-shaped plate II (21), and the upper end of the support plate II (25) is fixedly connected with a sliding block (26);
the limiting device (3) comprises a connecting plate (31), a clamping block (32), a screw (35) and a polygonal knob (36); a chute (34) is formed in the lower end face of the connecting plate (31), a screw (35) is connected to the side face of the connecting plate (31) through threads, one end of the screw (35) penetrates through the connecting plate (31) and is arranged in the chute (34), and a polygonal knob (36) is fixedly connected to the other end of the screw (35); the sliding block (26) is in sliding fit with the sliding groove (34); a round hole (33) vertically penetrating through the connecting plate (31) is formed in the connecting plate (31), and a clamping block (32) is fixedly connected to the inner wall of the round hole (33);
the positioning device (4) comprises a rotary drum (43) and a fixed drum (45); the fixed cylinder (45) is fixedly connected to the upper end of the supporting plate I (111); the rotary drum (43) is sleeved on the outer side of the fixed drum (45), a slide way I (42) parallel to the axial direction is arranged on the outer circular surface of the rotary drum (43), the rotary drum (43) is in sliding fit with the round hole (33), and the clamping block (32) is in sliding fit with the slide way I (42);
the positioning device (4) further comprises a spiral cover (41) and a limiting rod (47); a slide way II (44) parallel to the axial direction is arranged on the inner wall of the rotary drum (43), and a spiral groove (46) penetrating through the wall of the fixed drum (45) is arranged on the fixed drum; the limiting rod (47) is in sliding fit with the slide way II (44) and the spiral groove (46); the screw cap (41) is provided with two screw grooves with different depths, and the two screw grooves are respectively in threaded connection with the rotary drum (43) and the fixed drum (45).
2. The wind tunnel boundary layer sidewall aided mounting and positioning mechanism of claim 1, wherein: the slider (26) is a rectangular block.
3. The wind tunnel boundary layer sidewall aided mounting and positioning mechanism of claim 2, wherein: the auxiliary device I (1) further comprises a round rod I (15), a fixed shaft (16), a round rod II (17), a connecting rod (19) and a nut (110); a slideway III (18) is arranged at the top end of the U-shaped plate I (11); the connecting rod (19) is positioned in the slideway III (18), the upper end of the connecting rod (19) is connected with a nut (110) through threads, and the lower end of the connecting rod (19) is fixedly connected with a round rod II (17); the fixed shaft (16) is fixedly connected to the inner top wall of the U-shaped plate I (11); the round rod I (15) is sleeved on the fixed shaft (16) through a bearing; the length of the U-shaped plate I (11) is equal to the height of the concrete slab (5).
4. A wind tunnel boundary layer sidewall assisted mounting positioning mechanism according to claim 3, wherein: when the clamping plate I (14) is abutted against the side wall of the concrete slab (5), the round rod I (15) and the round rod II (17) are positioned between the corresponding clamping plate I (14) and the inner wall of the U-shaped plate I (11).
5. The method for using the auxiliary installation positioning mechanism for the side wall of the wind tunnel boundary layer according to claim 4, wherein the method comprises the following steps: the using method comprises the following steps:
step one: the U-shaped plate I (11) and the U-shaped plate II (21) are respectively placed at the upper ends of the corresponding concrete slabs (5);
step two: rotating the bolt I (12) and the bolt II (22) to enable the clamping plate I (14) and the clamping plate II (24) to lean against the side wall of the concrete slab (5);
step three: sleeving the sliding chute (34) on the sliding block (26), and then lifting the pre-installed concrete slab (5) to a preset position through a crane;
step four: when the concrete slab (5) is placed downwards, the round hole (33) is sleeved on the outer side of the rotary drum (43), and the clamping block (32) is embedded into the slideway I (42);
step five: then slowly rotating the concrete plate (5) through the crane, wherein the concrete plate (5) is at a certain distance from the bottom surface, friction cannot occur between the concrete plate (5) and the bottom surface, the connecting plate (31) is sleeved on the rotary drum (43) through a round hole (33), the connecting plate (31) is positioned in the middle of the rotary drum (43), in the rotating process of the crane, the concrete plate (5) is driven to rotate, the concrete plate (5) drives an auxiliary device II (2) at the upper end of the concrete plate to rotate, a sliding block (26) at the upper end of the auxiliary device II (2) drives the connecting plate (31) to rotate around the rotary drum (43) through a sliding groove (34), in the rotating process of the connecting plate (31), the rotary drum (43) is driven to rotate through a sliding block (32), and the rotary drum (43) drives a limiting rod (47) to rotate through a sliding way II (44), and the rotary drum (43) and the fixed drum (45) are relatively rotated, and the limiting rod (47) moves in a spiral groove (46) and simultaneously moves downwards along the sliding way II (44) until a preset angle is reached, and then the crane is closed; then the spiral cover (41) is connected to the upper ends of the rotary drum (43) and the fixed drum (45) through threads, so that the rotary drum (43) cannot rotate relative to the fixed drum (45), further the rotation of the connecting plate (31) is limited, and the problem that the angle needs to be readjusted due to misoperation of a crane can be avoided;
step six: and rotating the polygonal knob (36) to enable the screw rod (35) to push the auxiliary device II (2) to move, and finally placing the concrete slab (5) on the bottom surface through the crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740652.3A CN115008385B (en) | 2022-06-27 | 2022-06-27 | Auxiliary installation positioning mechanism for side wall of wind tunnel boundary layer and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210740652.3A CN115008385B (en) | 2022-06-27 | 2022-06-27 | Auxiliary installation positioning mechanism for side wall of wind tunnel boundary layer and application method thereof |
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| CN115008385A CN115008385A (en) | 2022-09-06 |
| CN115008385B true CN115008385B (en) | 2023-10-03 |
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|---|---|---|---|---|
| JP2001073523A (en) * | 1999-09-06 | 2001-03-21 | Bunka Shutter Co Ltd | Mounting-angle adjusting method of structure and spacer for adjusting its mounting angle |
| DE102010005486A1 (en) * | 2010-01-23 | 2010-10-14 | Daimler Ag | Assembly to set the angle of a vehicle seat backrest has a template at the backrest and the seat, with a joint between them, and an angular setting unit to give a reproducible angle |
| CN111774805A (en) * | 2020-06-03 | 2020-10-16 | 黑龙江建筑职业技术学院 | Auxiliary device for installing heat supply pipeline |
| CN215406764U (en) * | 2021-01-11 | 2022-01-04 | 周锁涛 | Switching structure for curtain |
| CN215546556U (en) * | 2021-04-22 | 2022-01-18 | 港华辉信工程塑料(中山)有限公司 | Auxiliary mounting device for positioning pin of electric melting pipe fitting |
| CN216641056U (en) * | 2021-05-13 | 2022-05-31 | 河南锦旭建材科技有限公司 | Curtain wall plate connecting structure capable of changing angles |
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|---|---|
| CN115008385A (en) | 2022-09-06 |
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