CN115653420B - Manhole door locking and unlocking device for wind tunnel - Google Patents
Manhole door locking and unlocking device for wind tunnel Download PDFInfo
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- CN115653420B CN115653420B CN202211417451.6A CN202211417451A CN115653420B CN 115653420 B CN115653420 B CN 115653420B CN 202211417451 A CN202211417451 A CN 202211417451A CN 115653420 B CN115653420 B CN 115653420B
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Abstract
A manhole door locking and unlocking device for a wind tunnel belongs to the technical field of wind tunnel equipment. The technical problem that the locking device for opening and closing the manhole door of the existing wind tunnel cannot realize the opening and closing of the inside and the outside of the wind tunnel at the same time is solved. The technical points are as follows: the inner door sheet mounting seat is fixed in the mounting groove opening of the door bolt seat mounting seat, the left side of the inner door sheet is hinged with the inner door sheet mounting seat, and when the inner door sheet is in a closed state, the inner side surface of the inner door sheet, the inner side surface of the door bolt seat mounting seat and the inner side surface of the inner door sheet mounting seat are flush with the inner wall of the wind tunnel body; the first door bolt seat and the second door bolt seat are installed on the outer side face of the door bolt seat installing seat, the door bolts penetrate through the first door bolt seat, the second door bolt seat and the third door bolt seat, and two ends of the door bolt connecting rod are hinged with the door bolts and the inner door sheets. When the lock is outside the wind tunnel, the door bolt is manually pulled to realize the locking and unlocking outside the tunnel; when a person is in the wind tunnel, the person pulls the inner door sheet to drive the door bolt connecting rod to further push the door bolt to enter or leave the door bolt seat, and the opening and closing in the tunnel are realized.
Description
Technical Field
The invention relates to a manhole door opening and closing lock device, in particular to a manhole door opening and closing lock device for a wind tunnel, and belongs to the technical field of wind tunnel equipment.
Background
The test chamber is an important section of the wind tunnel, a test model is arranged in the test chamber, the test chamber is checked and detected through manhole access before and after a test and in a maintenance stage, the existing locking and unlocking device of the wind tunnel manhole door is divided into a wind tunnel outer side operation control type and a wind tunnel inner side operation control type, and in the two modes, wind tunnel workers cannot control the door to be locked and unlocked internally and externally. In order to facilitate the entry and exit of the tester into and out of the wind tunnel and improve the safety level of the tester during the operation of the wind tunnel, a wind tunnel manhole door unlocking and locking device needs to be designed urgently.
Disclosure of Invention
In view of the above facts, the invention aims to solve the technical problem that the existing wind tunnel manhole door opening and closing lock device cannot simultaneously realize the internal and external control opening and closing of a wind tunnel, and further designs a wind tunnel manhole door opening and closing lock device which improves the safety of wind tunnel workers working in the tunnel, and has the advantages of simple structure, low cost and easiness in realization.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind tunnel manhole door locking and unlocking device comprises a first door bolt seat, an inner door sheet, a door bolt connecting rod, a door bolt, a second door bolt seat, a third door bolt seat, a door bolt seat mounting seat and an inner door sheet mounting seat; the inner side surface of the inner door piece, the inner side surface of the door bolt seat mounting seat and the inner side surface of the inner door piece mounting seat are flush with the inner wall of the wind tunnel body when the inner door piece is in a closed state; the first door bolt seat and the second door bolt seat are arranged on the outer side face of the door bolt seat mounting seat in parallel from left to right, the third door bolt seat is fixed on the outer wall of the wind tunnel body, the door bolts penetrate through the first door bolt seat, the second door bolt seat and the third door bolt seat, the right end of the door bolt connecting rod is hinged with the door bolt, and the left end of the door bolt connecting rod is hinged with the right side of the inner door sheet.
Further, the method comprises the following steps: fixed mounting has articulated seat on the keeper, and articulated seat is located between first keeper seat and the second keeper seat, and articulated seat includes fixed sleeve and pivot, fixed sleeve fixed mounting is on the keeper, and pivot fixed mounting is on fixed sleeve, and the right-hand member processing of keeper connecting rod has the shaft hole, and the shaft hole realizes rotating with the pivot cooperation and is connected. So set up, simple structure, with low costs, easily realize.
Further, the method comprises the following steps: the utility model provides a wind-tunnel personnel hole door unlocking and locking device still includes the spring, the spring mounting is in first keeper seat, and the keeper passes the spring, and the left end of keeper is provided with the shaft shoulder, shaft shoulder and spring contact, and during the keeper back-and-forth movement, the spring is compression state all the time. So set up, the automatic resilience of keeper can be realized to the spring in the first keeper seat.
Further: the unlocking and locking device for the manhole door for the wind tunnel further comprises a pull rod, and the upper end of the pull rod is fixedly connected with the door bolt. So set up, be convenient for control manhole door switching.
Further: the cross section of the bolt is circular, the bolt is a stepped shaft, and the diameters of the left end and the right end of the bolt are smaller than that of the middle part of the bolt. So set up, be convenient for install the location.
The invention achieves the following effects:
1. the manhole door locking and unlocking device for the wind tunnel is matched and installed on a wind tunnel body, and the interior of the tunnel body has no structures such as bulges, steps and the like, so that the requirements of the wind tunnel on a convection field are met;
2. according to the manhole door locking and unlocking device for the wind tunnel, when a wind tunnel worker is outside the wind tunnel, the door bolt is manually pulled, and locking and unlocking of the device outside the tunnel are achieved. When a worker is in the wind tunnel, the worker pulls the inner door sheet to drive the door bolt connecting rod to push the door bolt to enter or leave the door bolt seat, so that the opening and closing of the device in the tunnel are realized;
3. the locking device for opening and closing the manhole door in the wind tunnel improves the safety of the workers in the wind tunnel in working, and has the advantages of simple structure, low cost and easy realization;
4. according to the wind tunnel manhole door locking and unlocking device, the size and the installation position of the locking and unlocking device can be adjusted according to the size of the manhole door, and the universality is high;
5. according to the wind tunnel manhole door locking and unlocking device, the spring is locked after the door lock is closed, the spring is in a compressed state all the time, and when the manhole door is in the locked state, the door cannot be vibrated to be opened or opened due to vibration of a tunnel body or wind load when wind blows in the wind tunnel, so that the reliability of a wind tunnel test is improved.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram (outside a wind tunnel body) of a manhole door locking and unlocking device for a wind tunnel according to the present invention;
fig. 2 is a schematic three-dimensional structure diagram (inside a wind tunnel body) of the locking and unlocking device for a manhole door in a wind tunnel according to the present invention;
FIG. 3 is a schematic cross-sectional view of a locking device for opening and closing a manhole door in a wind tunnel according to the present invention;
FIG. 4 is a bottom view of FIG. 3;
FIG. 5 is a schematic view of a wind tunnel using a manhole door to open and close a locking device in a fully closed state;
fig. 6 is a schematic diagram of a 30-degree opening state of the manhole door locking and unlocking device for a wind tunnel according to the present invention;
fig. 7 is a schematic view of a wind tunnel in a fully opened state with the manhole door locking and unlocking device according to the present invention.
Wherein:
1-a first keeper; 2-inner door sheet; 3-bolt link; 4-door bolt; 5-a second door bolt seat; 6-third bolt seat; 7-a keeper mount; 8-inner door sheet mounting seat; 9-a spring; 10-a hinged seat; 11-a pull rod.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "disposed," "connected," and "secured" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying fig. 1 in conjunction with an embodiment.
Preferred embodiments of the present invention are explained in detail below with reference to the accompanying drawings.
The embodiment is as follows: referring to fig. 1 to 7, the locking device for opening and closing the manhole door in the wind tunnel according to the embodiment includes a first door bolt seat 1, an inner door leaf 2, a door bolt connecting rod 3, a door bolt 4, a second door bolt seat 5, a third door bolt seat 6, a door bolt seat mounting seat 7, an inner door leaf mounting seat 8, a spring 9, a hinge seat 10, and a pull rod 11; the door bolt seat mounting seat 7 is arranged in a manhole door of a wind tunnel, a mounting groove opening is formed in the door bolt seat mounting seat 7, the inner door sheet mounting seat 8 is fixed in the mounting groove opening, the left side of the inner door sheet 2 is hinged to the inner door sheet mounting seat 8, when the inner door sheet 2 is in a closed state, the inner side surface of the inner door sheet 2, the inner side surface of the door bolt seat mounting seat 7 and the inner side surface of the inner door sheet mounting seat 8 are flush with the inner wall of the wind tunnel body, and therefore the tunnel body is free of structures such as bulges and steps, and meets the requirements of the wind tunnel on the flow field; the first door bolt seat 1 and the second door bolt seat 5 are arranged on the outer side surface of the door bolt seat mounting seat 7 in parallel from left to right, the third door bolt seat 6 is fixed on the outer wall of the wind tunnel body, the door bolt 4 penetrates through the first door bolt seat 1, the second door bolt seat 5 and the third door bolt seat 6, the cross section of the door bolt 4 is circular, the door bolt 4 is in a stepped shaft form, the diameters of the left end and the right end of the door bolt are smaller than the diameter of the middle part, a spring 9 is arranged in the first door bolt seat 1, the door bolt 4 penetrates through the spring 9, the left end of the door bolt 4 is provided with a shaft shoulder, the shaft shoulder is in contact with the spring 9, and when the door bolt 4 moves forwards and backwards, the spring 9 is always in a compression state, and the arrangement is adopted, and the spring in the first door bolt seat can realize the automatic rebound of the door bolt; the second bolt seat 5 is a support part of a bolt, and the third bolt seat 6 is an opening and closing locking part of the bolt; the door bolt is characterized in that a hinge seat 10 is fixedly installed on the door bolt 4, the hinge seat 10 is located between the first door bolt seat 1 and the second door bolt seat 5, the hinge seat 10 comprises a fixing sleeve and a shaft pin, the fixing sleeve is fixedly installed on the door bolt 4, the shaft pin is fixedly installed on the fixing sleeve, a shaft hole is machined in the right end of the door bolt connecting rod 3, the shaft hole is matched with the shaft pin to achieve rotating connection, and the left end of the door bolt connecting rod 3 is hinged to the right side of the inner door sheet 2; the upper end of the pull rod 11 is fixedly connected with the bolt 4.
When the unlocking and locking device is assembled, the spring 9 is firstly placed in the first door bolt seat 1, the door bolt 4 is arranged in the first door bolt seat 1 and the second door bolt seat 5 in a penetrating way, and then the first door bolt seat 1 and the second door bolt seat 5 are respectively arranged on the door bolt seat mounting seat 7; then, the left side of the inner door leaf 2 is hinged with an inner door leaf mounting seat 8, and the inner door leaf mounting seat 8 is mounted in a mounting groove opening of the bolt seat mounting seat 7; and finally, the bolt connecting rod 3 is connected with the bolt 4 and the inner door sheet 2, and the bolt 4, the bolt connecting rod 3 and the inner door sheet 2 form a crank slider mechanism.
The use method of the unlocking and locking device of the embodiment comprises the following steps:
when the staff is outside the wind tunnel: the device is locked and unlocked outside the hole by manually pulling the door bolt 4. When the worker is in the wind tunnel: by pulling the inner lamella 2, the bolt connecting rod 3 is driven to push the bolt 4 to enter or leave the third bolt seat. The door bolt is provided with a first limiting bulge, the door bolt seat mounting seat 7 is provided with a second limiting bulge, the door bolt moves leftwards to a limit position, namely the first limiting bulge is abutted against the second limiting bulge, the maximum opening angle of the opening and closing lock device is 36 degrees, and the specific opening and closing state diagram is shown in figures 5-7.
The above examples are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (4)
1. The utility model provides a wind-tunnel manhole door locking device which characterized in that: comprises a first door bolt seat (1), an inner door sheet (2), a door bolt connecting rod (3), a door bolt (4), a second door bolt seat (5), a third door bolt seat (6), a door bolt seat mounting seat (7) and an inner door sheet mounting seat (8); the door bolt seat mounting seat (7) is arranged in a manhole door of a wind tunnel, a mounting notch is formed in the door bolt seat mounting seat (7), the inner door sheet mounting seat (8) is fixed in the mounting notch, the left side of the inner door sheet (2) is hinged to the inner door sheet mounting seat (8), when the inner door sheet (2) is in a closed state, the inner side surface of the inner door sheet (2), the inner side surface of the door bolt seat mounting seat (7) and the inner side surface of the inner door sheet mounting seat (8) are flush with the inner wall of a wind tunnel body, and no protrusion or step structure is arranged inside the tunnel body; the first door bolt seat (1) and the second door bolt seat (5) are arranged on the outer side surface of the door bolt seat mounting seat (7) in parallel from left to right, the third door bolt seat (6) is fixed on the outer wall of the wind tunnel body, the door bolt (4) penetrates through the first door bolt seat (1), the second door bolt seat (5) and the third door bolt seat (6), the right end of the door bolt connecting rod (3) is hinged with the door bolt (4), and the left end of the door bolt connecting rod (3) is hinged with the right side of the inner door sheet (2);
the locking device for opening and closing the manhole door in the wind tunnel further comprises a spring (9), wherein the spring (9) is installed in a first door bolt seat (1), a door bolt (4) penetrates through the spring (9), a shaft shoulder is arranged at the left end of the door bolt (4) and is in contact with the spring (9), when the door bolt (4) moves back and forth, the spring is locked after the manhole door is closed, and the spring (9) is in a compressed state all the time;
be provided with first spacing arch on the keeper, be provided with the spacing arch of second on the keeper mount pad, the keeper moves to extreme position left, and first spacing arch offsets with the spacing arch of second promptly, and the biggest opening angle of switching lock device is 36.
2. The locking and unlocking device for the manhole door of the wind tunnel according to claim 1, wherein: fixed mounting is gone up in keeper (4) has articulated seat (10), and articulated seat (10) are located between first keeper seat (1) and second keeper seat (5), and articulated seat (10) include fixed sleeve and pivot, fixed sleeve fixed mounting is on keeper (4), and pivot fixed mounting is on fixed sleeve, and the right-hand member processing of keeper connecting rod (3) has the shaft hole, and the shaft hole realizes rotating with the pivot cooperation to be connected.
3. The locking and unlocking device for the manhole door of the wind tunnel according to claim 1 or 2, characterized in that: the door bolt is characterized by further comprising a pull rod (11), wherein the upper end of the pull rod (11) is fixedly connected with the door bolt (4).
4. The locking and unlocking device for a manhole door of a wind tunnel according to claim 1 or 2, wherein: the cross section of the door bolt (4) is circular, the door bolt (4) is a stepped shaft, and the diameters of the left end and the right end of the door bolt are smaller than that of the middle part of the door bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211417451.6A CN115653420B (en) | 2022-11-14 | 2022-11-14 | Manhole door locking and unlocking device for wind tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211417451.6A CN115653420B (en) | 2022-11-14 | 2022-11-14 | Manhole door locking and unlocking device for wind tunnel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115653420A CN115653420A (en) | 2023-01-31 |
| CN115653420B true CN115653420B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211417451.6A Active CN115653420B (en) | 2022-11-14 | 2022-11-14 | Manhole door locking and unlocking device for wind tunnel |
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| Country | Link |
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| CN (1) | CN115653420B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252797A (en) * | 2018-10-23 | 2019-01-22 | 中节能（合肥）可再生能源有限公司 | A kind of intelligent and safe manhole door system |
| CN212271870U (en) * | 2020-08-11 | 2021-01-01 | 十堰五优汽配实业有限公司 | Spring bolt structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2806768Y (en) * | 2005-07-19 | 2006-08-16 | 赵中玲 | Air door locking device |
| CN201381703Y (en) * | 2009-02-11 | 2010-01-13 | 贵州航天精工制造有限公司 | Quick-release latch lock for engine compartment door of airplane |
| WO2012125437A1 (en) * | 2011-03-15 | 2012-09-20 | Alcoa Inc. | Pin latch having an intermediate position |
| CN213510171U (en) * | 2020-08-27 | 2021-06-22 | 台州市华艺装潢有限公司 | Window |
-
2022
- 2022-11-14 CN CN202211417451.6A patent/CN115653420B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109252797A (en) * | 2018-10-23 | 2019-01-22 | 中节能（合肥）可再生能源有限公司 | A kind of intelligent and safe manhole door system |
| CN212271870U (en) * | 2020-08-11 | 2021-01-01 | 十堰五优汽配实业有限公司 | Spring bolt structure |
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| Publication number | Publication date |
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| CN115653420A (en) | 2023-01-31 |
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