CN218716774U - Turnover device of vertical shaft protection equipment based on gear, push-pull rod and spring - Google Patents
Turnover device of vertical shaft protection equipment based on gear, push-pull rod and spring Download PDFInfo
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- CN218716774U CN218716774U CN202223067282.6U CN202223067282U CN218716774U CN 218716774 U CN218716774 U CN 218716774U CN 202223067282 U CN202223067282 U CN 202223067282U CN 218716774 U CN218716774 U CN 218716774U
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Abstract
The utility model discloses a shaft protective apparatus's turning device based on gear-push-and-pull rod-spring, include: a vertical shaft civil structure of a vertical hollow structure; the protective equipment door shaft is arranged on one side of the door body and fixed with the door body, and the door body can turn over up and down along with the rotation of the door shaft; a gear is arranged at one end of the door shaft, and the door shaft can synchronously rotate along with the gear; a rack is arranged on the upper side of the gear and meshed with the gear; one end of the push-pull rod is fixed on the side wall of the hollow structure, and the other end of the push-pull rod is connected with the rack in a telescopic mode; the spring sleeve is internally provided with a spring, one end of the spring is abutted against the spring sleeve, and the other end of the spring is connected with the rack; the free state of the spring corresponds to the opening of the door body, and the maximum compression state of the spring corresponds to the closing of the door body. Therefore, the turnover device of the shaft protection equipment based on the gear, the push-pull rod and the spring can conveniently realize the turnover of the shaft protection equipment with the weight of several tons only by manpower.
Description
Technical Field
The utility model relates to a shaft protective apparatus field, especially a shaft protective apparatus's turning device.
Background
In the aspect of subway engineering, in the prior art, patent technology CN202022480282.3 provides an open type arch cover two-lining structure at a construction shaft of a subway station arch cover method, which comprises: the device comprises a vertical shaft, a horizontal channel and a vertical shaft, wherein the bottom of the vertical shaft is provided with the horizontal channel, the horizontal channel extends towards the tunnel direction and is communicated with the tunnel, and the extending direction of the horizontal channel is the same as the extending direction of the tunnel; the arch cover penetrates through the transverse channel, is provided with an opening and is communicated with the vertical shaft; the utility model discloses set for the shaft position in station major structure intermediate position, construction operation area has been saved, in the second lining work progress of station major structure, carry out the construction of two linings of opening type to shaft department, the sediment of row that has guaranteed that the later stage can go on through the shaft, operations such as feeding, to two lining top backfill concrete of opening type arched cover and carry out two lining constructions to the shaft, guarantee the overall stability of shaft structure, strengthen the bearing capacity of shaft mouth department, this shaft can be as later stage shield structure machine's well that hangs out simultaneously, the operating efficiency in can effectual improvement work progress.
And meanwhile, for civil air defense engineering, an air duct orifice is not only a key part of civil air defense of the subway, but also a weak link of civil air defense protection, so that the civil air defense protection equipment not only meets the defense requirements, but also meets the ventilation requirements at ordinary times and in wartime, and therefore, the vertical shaft protection equipment is led out.
In the existing line at home and abroad, in order to meet the ventilation, the size of an air duct orifice is relatively large, and meanwhile, in order to meet the protection requirement of the air duct orifice, horizontal civil air defense sections are arranged in an air duct, but because more air duct protection equipment is arranged, the horizontal civil air defense sections are relatively long, so that the occupied area of the air duct civil air defense sections is large, and the difficulty is increased for the plane layout of other specialties in some stations with nervous land.
In order to reduce the horizontal length of the air duct civil air defense protection section, improve the utilization of space resources, reduce civil construction investment and facilitate the arrangement of other professional civil engineering, the air duct civil air defense section which is horizontally arranged at present is changed into the air duct vertical shaft. Because the weight of the protective equipment is very big, about several tons (related to the size of the hole opening of the vertical shaft) are unequal, and the standard requirement of the protective equipment which can realize manual operation under the conditions of remote control and power failure is met, the problem that the up-and-down turning of the protective equipment is needed to be solved urgently is realized.
The above information disclosed in the background section is only for enhancement of understanding of the background of the invention and therefore it may contain information that does not form the prior art that is well known to those of ordinary skill in the art.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the turnover device of the shaft protection equipment based on the gear, the push-pull rod and the spring is characterized in that: which comprises the steps of preparing a mixture of a plurality of raw materials,
a shaft civil structure which is a vertical hollow structure;
a door body openably and closably provided in the hollow structure;
the protective equipment door shaft is arranged on one side of the door body and fixed with the door body, and the door body can turn over up and down along with the rotation of the door shaft;
a gear is arranged at one end of the door shaft, and the door shaft can synchronously rotate along with the gear;
a rack is arranged on the upper side of the gear and meshed with the gear;
one end of the push-pull rod is fixed on the side wall of the hollow structure, and the other end of the push-pull rod is connected with the rack in a telescopic mode;
the spring sleeve is internally provided with a spring, one end of the spring is abutted against the spring sleeve, and the other end of the spring is connected with the rack;
the free state of the spring corresponds to the opening of the door body, and the maximum compression state of the spring corresponds to the closing of the door body.
In the turning device of the vertical shaft protection equipment, the tail end of the spring sleeve is provided with an adjusting nut for adjusting the compression state of the spring.
In the turning device of the vertical shaft protection equipment, the adjusting nut is in threaded connection with the inner wall of the spring sleeve.
In the turnover device of the vertical shaft protection equipment, when the door body is turned upwards and opened, the spring is released from the maximum compression state to the recovery free state.
In the turnover device of the shaft protection equipment, the push-pull rod is driven by a motor.
In the turnover device of the vertical shaft protection equipment, the inner wall of the hollow structure is provided with a pair of lugs extending horizontally in opposite directions, and the door body is supported on the lugs in an openable and closable manner.
In the turnover device of the vertical shaft protection equipment, the installation space of the push-pull rod determines the distance from the door body to the civil structure.
Advantageous effects
The utility model discloses realize that several tons of heavy protective apparatus of manual control overturn from top to bottom under remote electric control and the outage circumstances, realize the protection of shaft drill way to reduce wind channel civil air defense protection section horizontal length, improve space resource utilization, reduce the civil engineering investment, other specialty civil engineering of being convenient for are arranged, turning device simple structure, and it is convenient to maintain the maintenance in the application.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the technical means of the present invention is implemented to the extent that those skilled in the art can implement the technical solutions according to the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following description is given by way of example of the embodiments of the present invention.
Drawings
Various other advantages and benefits of the present invention will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be obtained from these drawings without inventive effort. Also, like parts are designated by like reference numerals throughout the drawings.
In the drawings:
fig. 1 (a) and 1 (b) are schematic longitudinal sectional views of a turnover device of a shaft protection device, wherein fig. 1 (a) is a state that a door body is closed, and fig. 1 (b) is a state that the door body is opened;
fig. 2 (a) and 2 (b) are schematic sectional views of the door body of the turnover device of the shaft protection equipment in a fully closed state and a fully opened state, wherein fig. 2 (a) is in a closed state of the door body, and fig. 2 (b) is in an opened state of the door body;
fig. 3 is a cross-sectional view of the turning device.
The invention is further explained below with reference to the drawings and examples.
Detailed Description
Specific embodiments of the present invention will be described in more detail below with reference to fig. 1 (a) to 3. While specific embodiments of the invention are shown in the drawings, it will be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
It should be noted that certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, various names may be used to refer to a component. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. The following description is of the preferred embodiment of the invention, and is made for the purpose of illustrating the general principles of the invention and not for the purpose of limiting the invention. The protection scope of the present invention is subject to the limitations defined by the appended claims.
To facilitate understanding of the embodiments of the present invention, the following detailed description will be given by way of example with reference to the accompanying drawings, and each of the drawings does not limit the embodiments of the present invention.
As shown in fig. 1 (a) to 3, the tilting device of the shaft protection apparatus based on the gear-push-pull rod-spring comprises,
a shaft civil structure 8 which is a vertical hollow structure having a rectangular orifice;
a door body 10 openably and closably provided in the hollow structure;
the door shaft 9 is rotatably arranged on one side of the door body 10 and is fixedly connected with the door body 10, and the door body 10 is fixedly connected with the door shaft 9 and is opened and closed along with the rotation of the door shaft 9;
the gear 5 is arranged on the door shaft 9, and the door shaft 9 and the gear 5 rotate synchronously;
a rack 4 provided on one side of the gear 5 and engaging with the gear 5;
one end of the push-pull rod 6 is fixed on the side wall of the hollow structure, and the other end of the push-pull rod is connected with the rack 4 in a telescopic mode;
the spring sleeve 2 is internally provided with a spring 3, one end of the spring 3 is abutted to the spring sleeve 2, the other end of the spring is connected with the rack 4, and when the door body 10 is closed, the spring 3 is in a maximum compression state.
In the turnover device of the vertical shaft protection equipment, the installation space of the push-pull rod determines the distance from the door body to the civil structure.
The utility model discloses realize that several tons of heavy protective apparatus of manual control overturn from top to bottom under remote electric control and the outage circumstances, realize the protection of shaft drill way to reduce wind channel civil air defense protection section horizontal length, improve space resource utilization, reduce the civil engineering investment, other specialty civil engineering of being convenient for are arranged, turning device simple structure, and it is convenient to maintain the maintenance in the application.
In the preferred embodiment of the turnover device of the shaft protection equipment, the tail end of the spring sleeve 2 is provided with an adjusting nut 1 for adjusting the compression state of the spring 3.
In a preferred embodiment of the turning device of the shaft protection equipment, the adjusting nut 1 is in threaded connection with the inner wall of the spring sleeve 2.
In the preferred embodiment of the turning device of the shaft protection equipment, when the door body 10 is turned upwards and opened, the spring 3 is released from the maximum compression state to the recovery free state.
In a preferred embodiment of the turning device of the shaft protection installation, the push-pull rod 6 is driven by a motor 7.
In a preferred embodiment of the turnover device of the shaft protection equipment, the inner wall of the hollow structure is provided with a pair of lugs extending horizontally in opposite directions, and the door body 10 is supported on the lugs in an openable and closable manner.
In one embodiment, the rack is maintained in a horizontal position.
In one embodiment, the protective equipment door shaft 9 is arranged on one side of the door body 10 and fixed with the door body 10, namely, the door body 10 can be turned over up and down along with the rotation of the door shaft 9; a gear 5 is arranged at one end of a door shaft 9, and the door shaft 9 can synchronously rotate along with the gear 5; a rack 4 is arranged on the upper side of the gear 5 and is meshed with the gear 5; the spring is placed in the spring sleeve 2; the tail end of the sleeve is provided with an adjusting nut 1, and the state of the spring can be adjusted through the adjusting nut 1; the manual and electric push-pull rod 6 is fixed on a shaft civil engineering structure 8, and the push-pull rod 6 is driven to stretch and retract through the motor 7; one end of the rack 4 is connected with the spring, and the other end is connected with the manual-electric push-pull rod 6. The push-pull rod 6 is controlled to stretch out and draw back to drive the rack 4 to move, the rack 4 drives the gear 5 and the door shaft 9 to synchronously rotate, the door body 10 is turned over, in the turning-down process of the door body 10, the spring 3 is gradually compressed to store force, when the door body 10 is closed in place, the spring 3 is compressed to the maximum degree, and meanwhile, most of the gravity of the door body 10 is offset, when the door body 10 is turned over upwards and opened, the driving force of the push-pull rod 6 can be reduced to a great extent, and due to the fact that the driving force is greatly reduced, manual control can be achieved through rotating the output shaft of the motor 7 under the power-off condition.
The following is explained in more detail with reference to fig. 1 (a) to 3:
in one embodiment, the shaft civil engineering structure 8 and the protective equipment are arranged in the shaft protective section. In fig. 1 (a) and 1 (b), the door 10 is turned upwards to open the door, and turned downwards to close the door; the shape of the orifice of the shaft civil engineering structure 8 is rectangular; the weight of the door body 10 is related to the size of the opening of the shaft civil structure 8, which is generally 4-5 tons, and the size of the rectangular opening is determined according to actual engineering conditions. It should be noted that, present fig. 1 (a), fig. 1 (b) set up the condition for single-leaf door, and the size of a dimension of the door body 10 is influenced by shaft drill way size of a hole, and along with the size increase, the weight of the door body 10 increases thereupon, however the utility model discloses need consider safety margin, so the weight of the door body 10 should not be too big, and single-leaf door so be about 4 tons, more excellent, single-leaf door is preferred not to exceed 4 tons, and the door body within arbitrary 4 tons has definite size, needs adaptation drill way size. In addition, when the double-door body is arranged, not only a door body and a whole set of turnover device need to be added, but also the double-door body is arranged symmetrically by taking the central axis of the vertical shaft structure into consideration preferentially. Comprehensively considering, according to the size of the hole of the vertical shaft and the weight of the single door body, whether the single door or the double doors are applied and the size of the door body are considered.
In fig. 2 (a) and 2 (b), in the opening and closing processes, the spring 3 is always in a variable compression state, and reaches the maximum compression value after being closed in place, and the initial compression state of the spring 3 can be adjusted by the adjusting nut 1, and the spring can be obtained by design calculation according to the weight of the door body. Fig. 2 (a) and 2 (b) show the states of the reversing device in the closed state and the open state of the door body, and for convenience of description, scale marks are made on the gear. After the design is repeatedly modified and verified, the length difference of the spring, the displacement of the rack and the extending length difference of the push-pull rod are equal to each other and are equal to about one fourth of the circumference of the gear when the door body is in a closed state and an open state.
In fig. 3, the protective equipment door shaft 9 is arranged on one side of the door body 10 and fixed with the door body 10, that is, the door body 10 can be turned over up and down along with the rotation of the door shaft 9; a gear 5 is arranged at one end of a door shaft 9, and the door shaft 9 can synchronously rotate along with the gear 5; a rack 4 is arranged on the upper side of the gear 5 and is meshed with the gear 5; the spring 3 is placed in the spring sleeve 2; the tail end of the spring sleeve 2 is provided with an adjusting nut 1, and the state of the spring 3 can be adjusted through the adjusting nut 1; the push-pull rod 6 is fixed on a shaft civil engineering structure 8, and the push-pull rod 6 is driven to stretch by a motor 7; one end of the rack 4 is connected with the spring 3, and the other end is connected with the push-pull rod 6.
It should be noted that the utility model discloses a spring specification lectotype has clear and definite foundation, and its specification lectotype is relevant with the weight of the door body in the practical application, and its lectotype principle is: the spring not only needs to counteract the gravity of most door bodies, but also can finish the door opening and closing operation manually under the condition of power failure; the specification model selection of gear, rack also has clear and definite foundation the utility model discloses in, it is also relevant with the weight of door body, and its model selection principle is: not only the strength check calculation is carried out on the selected type of the gear according to the weight of the door body; the type selection of the rack can be meshed with the gear for transmission and can meet the requirement of door opening and closing travel; the motor model selection must be established after the door body weight and the spring model selection are determined, specifically: under the condition of power on, after the weight of the door body and the selection of the spring are determined, the range of the driving force can be obtained through calculation, and therefore the selection of the motor is determined; and determining the distance from the door body to the civil structure, wherein the distance is related to the stroke of the push-pull rod and the installation space of the push-pull rod when the door is opened and closed, the stroke can be determined only after the model selection of the gear is determined, the model selection of the push-pull rod is further determined according to the stroke, and the installation space of the push-pull rod is obtained at the same time, so that the distance from the door body to the civil structure is determined.
Although the embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments and application fields, and the above-described embodiments are illustrative, instructive, and not restrictive. Those skilled in the art, having the benefit of this disclosure, may effect numerous modifications thereto without departing from the scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a shaft protective equipment's turning device based on gear-push-and-pull rod-spring which characterized in that: which comprises the following steps of (a) preparing,
the shaft civil engineering structure is a vertical hollow structure;
a door body openably and closably provided in the hollow structure;
the protective equipment door shaft is arranged on one side of the door body and fixed with the door body, and the door body can turn over up and down along with the rotation of the door shaft;
a gear is arranged at one end of the door shaft, and the door shaft can synchronously rotate along with the gear;
a rack is arranged on the upper side of the gear and meshed with the gear;
one end of the push-pull rod is fixed on the side wall of the hollow structure, and the other end of the push-pull rod is connected with the rack in a telescopic mode;
the spring sleeve is internally provided with a spring, one end of the spring is abutted against the spring sleeve, and the other end of the spring is connected with the rack;
the free state of the spring corresponds to the opening of the door body, and the maximum compression state of the spring corresponds to the closing of the door body.
2. The shaft protection device upender of claim 1, wherein: and the tail end of the spring sleeve is provided with an adjusting nut for adjusting the compression state of the spring.
3. The shaft protection device upender of claim 2, wherein: the adjusting nut is in threaded connection with the inner wall of the spring sleeve.
4. The shaft protection device upender of claim 1, wherein: the push-pull rod is driven via a motor.
5. The shaft protection device upender of claim 1, wherein: the inner wall of the hollow structure is provided with a pair of lugs extending horizontally in opposite directions, and the door body can be supported on the lugs in an opening and closing manner.
6. The turnover device of a shaft protection equipment as claimed in claim 1, characterised in that:
the installation space of the push-pull rod determines the distance from the door body to the civil structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223067282.6U CN218716774U (en) | 2022-11-18 | 2022-11-18 | Turnover device of vertical shaft protection equipment based on gear, push-pull rod and spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223067282.6U CN218716774U (en) | 2022-11-18 | 2022-11-18 | Turnover device of vertical shaft protection equipment based on gear, push-pull rod and spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218716774U true CN218716774U (en) | 2023-03-24 |
Family
ID=85621394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223067282.6U Active CN218716774U (en) | 2022-11-18 | 2022-11-18 | Turnover device of vertical shaft protection equipment based on gear, push-pull rod and spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218716774U (en) |
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2022
- 2022-11-18 CN CN202223067282.6U patent/CN218716774U/en active Active
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