阅读说明：本技术 一种核电站用紧固件 (Fastener for nuclear power station ) 是由 葛少辉 石松泉 葛海泉 戴建海 钱兴华 李兴标 于 2021-05-10 设计创作，主要内容包括：本发明公开了一种核电站用紧固件,具体包括：以及安装在所述固定栓杆远离所述圆台主体一端的贴复机构,所述贴复机构包括：传动机构,该传动机构具有柱状主体,以及安装在所述柱状主体外表面底部的密封底板,且安装在所述密封底板外表面的留隙条板,以及开设在所述密封底板外表面且位于所述留隙条板之间的溢出孔,且安装在所述柱状主体外表面顶部的密封施压板,本发明涉及紧固件技术领域。通过贴复机构自身的设计,当紧固件在使用过程中失效时,可通过外部器件直接对紧固件的贴复机构进行破坏,实现紧固件整体的替换,避免人员与组成构件的内部进行接触,避免核电站的辐射对人员安全造成危害。(The invention discloses a fastener for a nuclear power station, which specifically comprises: and install the set bar is kept away from the mechanism is replied in subsides of round platform main part one end, it includes to paste the mechanism again: the transmission mechanism is provided with a columnar main body, a sealing bottom plate, gap-reserving battens, overflow holes and a sealing pressing plate, wherein the sealing bottom plate is installed at the bottom of the outer surface of the columnar main body, the gap-reserving battens are installed on the outer surface of the sealing bottom plate, the overflow holes are formed in the outer surface of the sealing bottom plate and located between the gap-reserving battens, and the sealing pressing plate is installed at the top of the outer surface of the columnar main body. Through the design of pasting compound mechanism self, when the fastener became invalid in the use, accessible external device directly destroyed the pasting compound mechanism of fastener, realized the holistic replacement of fastener, avoided personnel and the inside of constituteing the component to contact, avoided the radiation of nuclear power station to cause harm to personnel's safety.)

1. A fastener for a nuclear power station specifically comprises:

locking cap (1), this locking cap (1) have the round platform main part, and set up cross embedded groove (2) at round platform main part top, and fix the fixing bolt pole (3) of round platform main part bottom intermediate position, and install fixing bolt pole (3) are kept away from the compound mechanism (4) of subsides of round platform main part one end, its characterized in that: the pasting and restoring mechanism (4) comprises:

the transmission mechanism (41) is provided with a columnar main body, a sealing bottom plate (42) arranged at the bottom of the outer surface of the columnar main body, gap-keeping strips (43) arranged on the outer surface of the sealing bottom plate (42), overflow holes (44) arranged on the outer surface of the sealing bottom plate (42) and located between the gap-keeping strips (43), and a sealing pressure plate (45) arranged at the top of the outer surface of the columnar main body.

2. The fastener for a nuclear power plant according to claim 1, characterized in that: the transmission mechanism (41) includes:

the transmission rod (411) is provided with an external thread cylinder rod, an air pressure bag (412) arranged in the inner cavity of the external thread cylinder rod, a ring plate (413) arranged at the lower position in the outer surface of the external thread cylinder rod, an air pressure column (414) arranged on the outer surface of the ring plate (413), and an air vent hole (415) formed in the middle position of the external thread cylinder rod and the ring plate (413).

3. A fastener for a nuclear power plant as claimed in claim 2, wherein: the ventilation pores (415) are communicated with the air pressure column (414), and one end, far away from the ring plate (413), of the air pressure column (414) is connected with the sealing bottom plate (42) and the sealing pressure applying plate (45).

4. The fastener for a nuclear power plant according to claim 1, characterized in that: the clearance strip (43) comprises:

the strip-shaped plate (431) is provided with a main plate body, a square groove (432) formed in the top of the main plate body, a positioning rail (433) arranged at the bottom of an inner cavity of the square groove (432), and a cross sliding plate (434) arranged on the left side of the positioning rail (433);

the pressing block (438) is provided with a concave block body, an arc-shaped plate (436) and a columnar block (437) which are arranged on the outer wall of the left side of the concave block body, the arc-shaped plate (436) is positioned below the columnar block (437), and a pressing plate (435) which is arranged on one side, far away from the pressing block (438), of the arc-shaped plate (436).

5. The fastener for a nuclear power plant according to claim 4, characterized in that: the abutting block (438) is installed on the surface of the positioning rail (433), and one end, away from the arc-shaped plate (436), of the pressing plate (435) is installed on the outer wall of the cross sliding plate (434).

6. The fastener for a nuclear power plant according to claim 1, characterized in that: the fixing peg (3) comprises:

the bolt rod (31), this bolt rod (31) have the screw thread cylinder, and install end plate (32) at screw thread cylinder surface, and install between end plate (32) and be located place a section of thick bamboo (33) outside the screw thread cylinder, and set up place ring channel (34) of a section of thick bamboo (33) internal surface and surface, and set up place a section of thick bamboo (33) surface and be located capillary hole (35) between ring channel (34).

7. The fastener for a nuclear power plant according to claim 6, characterized in that: the top of the bolt rod (31) is connected with the pasting and restoring mechanism (4), and the bottom of the bolt rod (31) is connected with the fixing cap (1).

8. The fastener for a nuclear power plant according to claim 1, characterized in that: the top of the sealing bottom plate (42) is connected with the sealing pressure plate (45), and the overflow hole (44) penetrates through the sealing bottom plate (42) and extends to the inner cavity of the sealing bottom plate (42).

Technical Field

The invention relates to the technical field of fasteners, in particular to a fastener for a nuclear power station.

Background

The fastener assembly may be used to secure a first component, such as a sheet metal or panel, to a second component, such as a molding. More specifically, the female fastening member in the fastener assembly may be pushed into a slot of the panel, for example. The male fastening member can thus for example be connected to a molding and locked into the female fastening member, which results in a fastened structure.

The barrel is configured to engage and be secured to a slot in a chassis according to chinese patent CN110939635A, wherein the barrel is configured to be secured to the slot based at least on the barrel including two or more tabs, wherein the tabs are attached to the barrel along a top of each of the tabs, and wherein the tabs are configured to bend along the top of the tabs, wherein the tabs are configured to bend in response to the barrel being inserted into the slot, and are configured to then bend back to an initial position of the tabs, wherein a bottom of the tabs engage the chassis to secure the barrel to the slot. In the use, the mutual cooperation of component just can fasten and sealing action other parts, is difficult to demolish when follow-up fastener became invalid simultaneously, influences the holistic use of fastener.

The mutual cooperation of current fastener component just can fasten other parts and sealing action, is difficult to demolish when follow-up fastener became invalid simultaneously, influences the holistic use of fastener.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a fastener for a nuclear power station, which solves the problems that the mutual matching of the components of the conventional fastener can only fasten and seal other parts, and meanwhile, the follow-up fastener is difficult to remove when in failure, so that the use of the whole fastener is influenced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a fastener for a nuclear power station specifically comprises:

the locking cap, this locking cap has the round platform main part, and sets up the cross embedded groove at round platform main part top, and fixes the fixing bolt pole of round platform main part bottom intermediate position, and install the fixing bolt pole is kept away from the compound mechanism of subsides of round platform main part one end, through the design of pasting compound mechanism self, when the fastener is inefficacy in the use, the direct compound mechanism of subsides to the fastener of accessible external device destroys, realizes the holistic replacement of fastener, avoids personnel and the inside of constituteing the component to contact, avoids the radiation of nuclear power station to cause harm to personnel's safety, it includes to paste compound mechanism:

the transmission mechanism is provided with a columnar main body and a sealing bottom plate arranged at the bottom of the outer surface of the columnar main body, is arranged on a gap-reserving batten on the outer surface of the sealing bottom plate, is arranged on an overflow hole between the gap-reserving battens on the outer surface of the sealing bottom plate, and is arranged on a sealing pressure plate at the top of the outer surface of the columnar main body. The inner cavity with a certain volume can be formed by mutually matching the sealing pressing plate and the sealing bottom plate, so that the self-generating expansion sealing material is stored conveniently, certain negative pressure is formed inside the sealing pressing plate, the expansion sealing material is favorably stored, the pressure balance is effective, the overflow of the internal material is avoided, and the transportation and the installation are convenient.

Preferably, the top of the sealing bottom plate is connected with the sealing pressing plate, and the overflow hole penetrates through the sealing bottom plate and extends to the inner cavity of the sealing bottom plate. Can be close to each other in sealed clamp plate and the sealed bottom plate use through sealed, destroy the balance of inside and outside atmospheric pressure, the inside expanding seal material of being convenient for is derived and is sealed, and sealed clamp plate and sealed bottom plate self deformation production large tracts of land laminating are executed to the while, enlarge expanding seal material's sealed area, strengthen sealing performance.

Preferably, the transmission mechanism includes:

the transmission rod is provided with an external thread cylinder rod, an air pressure bag arranged in the inner cavity of the external thread cylinder rod, a ring plate arranged at the middle-lower position of the outer surface of the external thread cylinder rod, an air pressure column arranged on the outer surface of the ring plate, and ventilation pores arranged between the external thread cylinder rod and the ring plate. The design through the atmospheric pressure post protects sealed clamp plate and sealing bottom plate of applying pressure, avoids it to breed deformation excessively to lead to self stress concentration to produce the damage, and the elasticity of atmospheric pressure post is injectd sealed clamp plate and sealing bottom plate's component shape simultaneously, avoids laminating each other, promotes the resistance that the component applied force to external object, strengthens the self-protection nature of component.

Preferably, the vent holes are communicated with the air pressure column, and one end of the air pressure column, which is far away from the annular plate, is connected with the sealing bottom plate and the sealing pressing plate. The ventilation burr hole is used for communicating the components, so that the air pressure can be adjusted, the change caused by the long-time loss of the internal air pressure is avoided, and the stability of the internal air pressure is maintained.

Preferably, the clearance strip comprises:

the strip-shaped plate is provided with a main plate body, a square groove formed in the top of the main plate body, a positioning rail arranged at the bottom of an inner cavity of the square groove, and a cross sliding plate arranged on the left side of the positioning rail;

the supporting block is provided with a concave block body, an arc plate and a columnar block, wherein the arc plate and the columnar block are arranged on the outer wall of the left side of the concave block body, the arc plate is positioned below the columnar block, and the pressing plate is arranged on one side, far away from the supporting block, of the arc plate. Elastic deformation formed by the design of the arc-shaped plate generates recovery elasticity, so that the arc-shaped plate can be separated from the nuclear power station in a detachable manner, subsequent separation processing is avoided, the possibility of contact between personnel and internal components of the nuclear power station is reduced, and the labor intensity is reduced.

Preferably, the abutting block is installed on the surface of the positioning rail, and one end, far away from the arc-shaped plate, of the pressing plate is installed on the outer wall of the cross sliding plate. Meanwhile, a certain space gap is reserved when the strip-shaped plate is designed to be mutually attached to the sealing pressing plate and the sealing bottom plate, so that the expansion sealing material is conveniently permeated and filled, the omnibearing sealing is carried out, and the leakage caused by the omission is avoided.

Preferably, the fixing bolt comprises:

the pin, this pin has the screw thread cylinder, and installs the end plate of screw thread cylinder surface, and install just be located between the end plate a section of thick bamboo of placing in the screw thread cylinder outside, and set up place the ring channel of a section of thick bamboo internal surface and surface, and set up place a section of thick bamboo surface and be located the capillary hole between the ring channel. The secondary filling of the expansion sealing material is sealed by placing the barrel, the self-protection capability of the fastener is promoted, the external environment is isolated, the permeation of external substances is avoided, and the service life of the component is prolonged and protected.

Preferably, the top of the bolt rod is connected with the attaching mechanism, and the bottom of the bolt rod is connected with the fixing cap.

(III) advantageous effects

The invention provides a fastener for a nuclear power station. The method has the following beneficial effects:

(I), this fastener for nuclear power station, through the design of pasting compound mechanism self, when the fastener became invalid in the use, accessible external device directly destroys the compound mechanism of pasting of fastener, realizes the holistic replacement of fastener, avoids personnel and the inside of constituteing the component to contact, avoids the radiation of nuclear power station to cause harm to personnel's safety

This fastener for nuclear power station can form the inner chamber of certain volume through sealed the cooperation of exerting pressure board and sealing bottom plate each other, is convenient for save the expansion seal material of spontaneous type, and inside forms certain negative pressure, is favorable to preserving the expansion seal material, and pressure balance is effectual has avoided the excessive of inside material, is convenient for transport and installation.

(III), this fastener for nuclear power station can be close to each other in sealed clamp plate and the sealed bottom plate use through sealed, destroys the balance of inside and outside atmospheric pressure, and the inside expanding seal material of being convenient for is derived and is sealed, and sealed clamp plate and sealed bottom plate self deformation production large tracts of land laminating simultaneously enlarge expanding seal material's sealed area, strengthen sealing performance.

(IV), this fastener for nuclear power station protects sealed clamp plate and sealing bottom plate of applying pressure through the design of atmospheric pressure post, avoids it to breed deformation excessively to lead to self stress concentration to produce the damage, and the elasticity of atmospheric pressure post is injectd sealed clamp plate and sealing bottom plate's component shape simultaneously, avoids laminating each other, promotes the resistance that the component applied force to external object, strengthens the self-protection nature of component.

And (V) the fastener for the nuclear power station is used for communicating the components through the ventilation pores, so that mutual adjustment of air pressure is facilitated, changes caused by long-time loss of the internal air pressure are avoided, and the stability of the internal air pressure is maintained.

The elastic deformation formed by the design of the arc-shaped plate generates the recovery elastic force, so that the fastener is convenient to separate in a detachable manner, the subsequent separation processing is avoided, the possibility of contact between personnel and internal components of the nuclear power station is reduced, and the labor intensity is reduced.

(VII) this fastener for nuclear power station keeps certain space gap when sealed clamp plate and sealing bottom plate laminate each other through the design of strip shaped plate, and the infiltration of the sealing material of being convenient for is filled, carries out the omnidirectional and seals, avoids producing the emergence that the hourglass leads to leaking.

(eighth), this fastener for nuclear power station carries out the secondary filling of inflation sealing material and seals through placing a section of thick bamboo, promotes the self-protection ability of fastener simultaneously, keeps apart the external environment, avoids the infiltration of foreign matter, prolongs the protection to the life of component.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the attaching mechanism of the present invention;

FIG. 4 is a schematic structural diagram of the transmission mechanism of the present invention;

FIG. 5 is a schematic view of the structure of the gapped slat of the present invention;

FIG. 6 is a schematic view of the fixing bolt of the present invention;

in the figure: the device comprises a fixing cap 1, a cross-shaped embedded groove 2, a fixing bolt rod 3, a bolt rod 31, an end plate 32, a placing barrel 33, an annular groove 34, a capillary hole 35, a sticking mechanism 4, a transmission mechanism 41, a transmission rod 411, a pneumatic bladder 412, a ring plate 413, a pneumatic column 414, a vent pore 415, a sealing bottom plate 42, a gap-reserving lath 43, a strip plate 431, a square groove 432, a positioning rail 433, a cross sliding plate 434, a pressing plate 435, an arc plate 436, a columnar block 437, a butting block 438, an overflow hole 44 and a sealing pressing plate 45.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: a fastener for a nuclear power station specifically comprises:

fixing cap 1, this fixing cap 1 has the round platform main part, and set up the cross embedded groove 2 at round platform main part top, and fix the gim peg pole 3 at round platform main part bottom intermediate position, and install and keep away from the compound mechanism 4 of subsides of round platform main part one end at gim peg pole 3, through the design of pasting compound mechanism 4 self, when the fastener is inefficacy in the use, accessible external device is direct to destroy the compound mechanism 4 of subsides of fastener, realize the holistic replacement of fastener, avoid personnel and the inside of constituteing the component to contact, the radiation of avoiding the nuclear power station causes harm to personnel's safety, it includes to paste compound mechanism 4:

the transmission mechanism 41 has a columnar body, a sealing bottom plate 42 mounted at the bottom of the outer surface of the columnar body, a gap-keeping strip 43 mounted on the outer surface of the sealing bottom plate 42, and a seal pressing plate 45 mounted on the top of the outer surface of the columnar body and provided with an overflow hole 44 opened on the outer surface of the sealing bottom plate 42 and located between the gap-keeping strips 43. The mutual matching of the sealing pressing plate 45 and the sealing bottom plate 42 can form an inner cavity with a certain volume, so that the self-generating expansion sealing material is convenient to store, a certain negative pressure is formed inside, the expansion sealing material is favorable to be stored, the pressure balance is effective, the overflow of the internal material is avoided, and the transportation and the installation are convenient.

The top of the sealing bottom plate 42 is connected to the sealing pressure plate 45, and the overflow hole 44 penetrates through the sealing bottom plate 42 and extends to the inner cavity of the sealing bottom plate 42. Can be close to each other in sealed clamp plate 45 and the use of sealing bottom plate 42 through sealed, destroy the balance of inside and outside atmospheric pressure, the inside inflation sealing material of being convenient for is derived and is sealed, and sealed clamp plate 45 and sealing bottom plate 42 self deformation production large tracts of land laminating simultaneously, enlarges the sealing area of inflation sealing material, strengthens sealing performance.

During the use, insert whole equipment in the fixed orifices that needs fixed component, later utilize cross embedded groove 2 to rotate locking cap 1, drive fixing bolt pole 3 and rotate for drive mechanism 41 drives sealed clamp plate 45 and rotates, makes sealed clamp plate 45 move downwards along drive mechanism 41, makes sealed clamp plate 45 laminate towards sealing bottom plate 42, extrudees inside inflation sealing material, makes it spill over, seals.

Example two:

referring to fig. 1-5, on the basis of the first embodiment, the present invention provides a technical solution: the transmission mechanism 41 includes:

and the transmission rod 411 is provided with an external thread cylinder rod, a pneumatic bladder 412 arranged in the inner cavity of the external thread cylinder rod, a ring plate 413 arranged at the middle lower position of the outer surface of the external thread cylinder rod, and a pneumatic cylinder 414 arranged on the outer surface of the ring plate 413 and provided with a ventilation pore 415 arranged at the middle position of the external thread cylinder rod and the ring plate 413. The sealing pressure applying plate 45 and the sealing bottom plate 42 are protected through the design of the air pressure column 414, the phenomenon that the self stress concentration is damaged due to the fact that the propagation deformation is excessive is avoided, meanwhile, the shapes of the components of the sealing pressure applying plate 45 and the sealing bottom plate 42 are limited through the elasticity of the air pressure column 414, mutual fitting is avoided, the resistance of the components to the force applied by external objects is improved, and the self protection performance of the components is strengthened.

The vent holes 415 are in communication with the gas strut 414, and the end of the gas strut 414 remote from the ring plate 413 is connected to the seal base plate 42 and the seal pressure plate 45. The components are communicated with each other through the ventilation pores 415, so that mutual adjustment of air pressure is facilitated, changes caused by long-time loss of the internal air pressure are avoided, and the stability of the internal air pressure is maintained.

The clearance strip 43 includes:

the strip-shaped plate 431 is provided with a main plate body, a square groove 432 formed in the top of the main plate body, a positioning rail 433 arranged at the bottom of the inner cavity of the square groove 432, and a cross sliding plate 434 arranged on the left side of the positioning rail 433;

the resisting block 438 is provided with a concave block body, an arc-shaped plate 436 and a columnar block 437 which are arranged on the outer wall of the left side of the concave block body, the arc-shaped plate 436 is positioned below the columnar block 437, and a pressure plate 435 which is arranged on one side of the arc-shaped plate 436 far away from the resisting block 438. Elastic deformation formed by the design of the arc plate 436 generates recovery elasticity, so that the self-separation is facilitated in a disassembly mode, the subsequent separation processing is avoided, the possibility of contact between personnel and internal components of the nuclear power station is reduced, and the labor intensity is reduced.

The abutting block 438 is arranged on the surface of the positioning rail 433, and one end of the pressure plate 435 away from the arc-shaped plate 436 is arranged on the outer wall of the cross sliding plate 434. Meanwhile, a certain space gap is reserved when the sealing pressure applying plate 45 and the sealing bottom plate 42 are attached to each other by the design of the strip-shaped plate 431, so that the expansion sealing material is conveniently permeated and filled, the omnibearing sealing is carried out, and the leakage caused by the leakage is avoided.

During the use, sealed pressure plate 45 when removing towards sealed bottom plate 42, sealed bottom plate 42 deformation is constantly laminated with the mounting that needs to be fixed for extrude column piece 437 and arc 436, make shaped plate 436 carry out deformation and hold up power, when not using, arc 436 resumes deformation, and the oneself is dismantled.

Example three:

referring to fig. 1-6, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the fixing bolt 3 includes:

a bolt 31, the bolt 31 having a screw column, and end plates 32 mounted on the outer surface of the screw column, a placing cylinder 33 mounted between the end plates 32 and located outside the screw column, and annular grooves 34 opened on the inner and outer surfaces of the placing cylinder 33, and capillary holes 35 opened on the outer surface of the placing cylinder 33 and located between the annular grooves 34. The secondary filling sealing of the expansion sealing material is carried out by placing the barrel 33, the self-protection capability of the fastener is promoted, the external environment is isolated, the permeation of external substances is avoided, and the service life of the component is prolonged and protected.

The top of the bolt rod 31 is connected with the pasting mechanism 4, and the bottom of the bolt rod 31 is connected with the fixing cap 1.

When the sealing device is used, the bolt rod 31 rotates, so that the end plates 32 are mutually compressed, the placing barrel 33 is extruded and attached, and the inner expansion sealing material overflows to perform secondary sealing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.