CN218063022U - Puller bolt subassembly and have its pile structure - Google Patents

Abstract

The utility model discloses a tight bolt assembly in top and have its pile structure, the tight bolt assembly in top includes: a first bolt; the first end of the second bolt is suitable for penetrating through the shell of the electric pile to abut against the reactor core, the second end of the second bolt is located outside the shell, the second end of the second bolt is provided with a first connecting portion and a matching portion, the first connecting portion is detachably matched with the first bolt, and the matching portion is suitable for being matched with a disassembling tool. The utility model discloses a tight bolt assembly in top can adjust the length of tight bolt assembly in top for tight bolt assembly in top can with the not unidimensional reactor core cooperation, has strengthened the commonality of tight bolt assembly in top, does benefit to and reduces the assembly degree of difficulty, and through the second end setting at the second bolt can with dismantle frock complex cooperation portion, be convenient for reduce the dismantlement degree of difficulty of tight bolt assembly in top.

Description

Puller bolt subassembly and have its pile structure

Technical Field

The utility model belongs to the technical field of the pile structure technique and specifically relates to a push up bolt assembly and pile structure that has it.

Background

Among the correlation technique, because the electric pile is when the pressure equipment of setting pressure, reactor core length tolerance is great, the degree of depth that the puller bolt is twisted changes along with the different length of reactor core, if the leakproofness of electric pile module when satisfying reactor core upper limit and lower limit deviation, then need increase the rubber coating length of puller bolt, but can lead to when the electric pile module is reprocessed like this, the puller bolt dismantlement moment of torsion is too big and lead to the extracting tool fracture scheduling problem appears, thereby lead to the dismantlement degree of difficulty of puller bolt too big, even the puller bolt can't be dismantled, cause the unable reuse problem of electric pile casing.

Meanwhile, the problem that the size of the reactor core floats between the upper limit and the lower limit of the reactor core exists in the reactor core entering process of the reactor core of the electric reactor, so that the jacking bolt needs to adopt different specifications to match with the reactor cores of different sizes, namely the universality of the jacking bolt is poor, and the assembly difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a puller bolt subassembly can with the cooperation of unidimensional reactor core, has strengthened puller bolt subassembly's commonality, and is convenient for reduce puller bolt subassembly's the dismantlement degree of difficulty.

According to the utility model discloses puller bolt subassembly, include: a first bolt; the first end of the second bolt is suitable for penetrating into the shell of the electric pile to abut against the reactor core, the second end of the second bolt is located outside the shell, the second end of the second bolt is provided with a first connecting portion and a matching portion, the first connecting portion is detachably matched with the first bolt, and the matching portion is suitable for being matched with a disassembling tool.

According to the utility model discloses tight bolt assembly in top through setting up first bolt of detachably complex and second bolt to in the length that changes tight bolt assembly in top, make tight bolt assembly in top can with the not unidimensional reactor core cooperation, strengthened the commonality of tight bolt assembly in top, do benefit to and reduce the assembly degree of difficulty, and through the second end setting at the second bolt can with dismantle frock complex cooperation portion, be convenient for reduce the dismantlement degree of difficulty of tight bolt assembly in top.

According to the utility model discloses tight bolt assembly in top of some embodiments, cooperation portion is constructed as the cooperation recess.

According to the utility model discloses tight bolt assembly in top of some embodiments, the cooperation recess is equipped with a plurality ofly, and is a plurality of the cooperation recess is followed the circumference spaced apart distribution of the second end of second bolt.

According to the utility model discloses tight bolt assembly in top of some embodiments, the cooperation recess is equipped with four, four at least two in the cooperation recess is in the footpath of second bolt is just right.

According to the utility model discloses tight bolt assembly in top of some embodiments, first bolt is equipped with the second connecting portion, first connecting portion with second connecting portion screw-thread fit.

According to the utility model discloses tight bolt assembly in top of some embodiments, first connecting portion structure is connecting groove, the second connecting portion structure is connecting protrusion, connecting protrusion extends connecting groove female fitting.

According to the utility model discloses tight bolt assembly in top of some embodiments, connecting groove is located the middle part of the second end of second bolt is regional, cooperation portion is a plurality of and encircles connecting groove sets up.

According to the utility model discloses tight bolt assembly in top the footpath of the second end of second bolt is radially, at least two cooperation portion is in connecting groove's bilateral symmetry distributes.

According to the utility model discloses tight bolt assembly in top of some embodiments, the second end of second bolt is equipped with the bellying the second bolt arrives in the direction of first bolt, the cross-sectional area of bellying reduces gradually, just the cooperation portion is located the bellying.

The utility model also provides a galvanic pile structure.

According to the utility model discloses electric pile structure, including the tight bolt subassembly in top of any one above-mentioned embodiment.

The advantages of the stack structure and the tightening bolt assembly are the same as those of the prior art, and are not described herein again.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a jacking bolt assembly according to some embodiments of the present invention;

fig. 2 is a schematic illustration of a jacking bolt assembly according to some embodiments of the present invention;

FIG. 3 is a top plan view of the jacking bolt assembly shown in FIG. 2;

fig. 4 is a plan view of a second bolt of the jack bolt assembly shown in fig. 1.

Reference numerals:

the bolt assembly 100 is tightened against the bolt,

a first bolt 10, a second coupling portion 11, a coupling projection 111,

the second bolt 20, the first end 201, the second end 202,

the fitting portion 21, the fitting recess 211,

the first connection portion 22, the connection groove 221,

and a boss 23.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

A jack bolt assembly 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 4.

According to the utility model discloses puller bolt subassembly 100, include: a first bolt 10 and a second bolt 20.

Specifically, a first end 201 (e.g., a lower end in fig. 1) of the second bolt 20 is adapted to penetrate into the shell of the stack to abut against the core, a second end 202 (e.g., an upper end in fig. 1) of the second bolt 20 is located outside the shell, the second end 202 of the second bolt 20 is provided with a first connecting portion 22 and a fitting portion 21, the first connecting portion 22 is detachably fitted with the first bolt 10, and the fitting portion 21 is adapted to be fitted with a disassembling tool.

It can be understood that the second bolt 20 is worn to locate the casing of electric pile in order to offset with the reactor core to tightly push up the reactor core, and the one end that second bolt 20 deviates from the reactor core selectively cooperates with first bolt 10, thereby is convenient for change the length of tight bolt subassembly 100 in top, makes tight bolt subassembly 100 in top can with the not unidimensional reactor core cooperation, has strengthened the commonality of tight bolt subassembly 100 in top, does benefit to and reduces the assembly degree of difficulty.

It should be noted that the connection manner of the first bolt 10 and the second bolt 20 includes, but is not limited to, a connection manner such as a threaded connection, or a snap connection, or a plug connection, and the mating portion 21 may be configured as a mating groove 211 or a mating protrusion, which is not limited herein.

For example, when the core size is at the upper limit of the core, only the second bolt 20 may be used for tightening the core, and when the second bolt 20 needs to be disassembled, the disassembling tool may be used to be engaged with the engaging portion 21 to disassemble the second bolt 20.

Or when the core size was in the lower limit, can link to each other first bolt 10 and second bolt 20 so as to form puller bolt subassembly 100, tightly push up the core through puller bolt subassembly 100, when needing to dismantle puller bolt subassembly 100, can separate first bolt 10 and second bolt 20 earlier, then use dismantlement frock and cooperation portion 21 cooperation again to dismantle second bolt 20.

Wherein the first bolt 10 and the second bolt 20 are coupled to form the tightening bolt assembly 100 having an axial length greater than that of the second bolt 20.

From this, through setting up first bolt 10 and second bolt 20 of detachably complex, can change the length of puller bolt subassembly 100 for puller bolt subassembly 100 can cooperate with the reactor core of unidimensional not, has strengthened puller bolt subassembly 100's commonality, does benefit to and reduces the assembly degree of difficulty, and cooperation portion 21 can with dismantle the frock, so that reduce its dismantlement degree of difficulty.

According to the utility model discloses puller bolt subassembly 100, through setting up first bolt 10 of detachably complex and second bolt 20, so that change puller bolt subassembly 100's length, make puller bolt subassembly 100 can cooperate with the not unidimensional reactor core, the commonality of puller bolt subassembly 100 has been strengthened, do benefit to and reduce the assembly degree of difficulty, and through the second end 202 setting at second bolt 20 can with dismantle frock complex cooperation portion 21, be convenient for reduce puller bolt subassembly 100's the dismantlement degree of difficulty.

In some embodiments, as shown in fig. 1, the mating portion 21 is configured as a mating recess 211.

Therefore, the difficulty in processing the engaging portion 21 is reduced, the weight of the second bolt 20 is reduced, and the lightweight design of the second bolt 20 is facilitated.

Further, as shown in fig. 1 and 4, the fitting groove 211 is provided in plurality, and the plurality of fitting grooves 211 are distributed at intervals along the circumferential direction of the second end 202 of the second bolt 20.

From this, through setting up a plurality of cooperation recesses 211 to when dismantling second bolt 20, dismantle frock and second bolt 20 and have a plurality of impetus, thereby required moment of torsion when being convenient for reduce to dismantle second bolt 20 does benefit to and reduces the dismantlement degree of difficulty, and makes the dismantlement frock of the multiple difference of second bolt 20 suitability.

Preferably, as shown in fig. 1, 3 and 4, the fitting grooves 211 are provided in four, and at least two fitting grooves 211 of the four fitting grooves 211 are opposed in the radial direction of the second bolt 20.

For example, at least two of the four fitting grooves 211 are opposed in the radial direction of the second bolt 20. From this, be convenient for reduce the design degree of difficulty of cooperation recess 211, and do benefit to the dismantlement frock that uses "a style of calligraphy" and extend simultaneously in two cooperation recesses 211 in order to dismantle second bolt 20.

Alternatively, two of the four fitting grooves 211 are diametrically opposed to each other in the radial direction of the second bolt 20, and the other two fitting grooves 211 are diametrically opposed to each other in the radial direction of the second bolt 20. Therefore, the cross-shaped disassembling tool is beneficial to extending into the two matching grooves 211 simultaneously so as to disassemble the second bolt 20.

In some embodiments, as shown in fig. 1, the first bolt 10 is provided with a second connecting portion 11, and the second connecting portion 11 and the first connecting portion 22 are threadedly engaged.

Therefore, the second connecting part 11 and the first connecting part 22 are arranged so as to realize the detachable fit of the first bolt 10 and the second bolt 20, wherein the connection mode of the second connecting part 11 and the first connecting part 22 includes but is not limited to a threaded connection, or a clamping connection, or a plugging connection, etc.

Further, as shown in fig. 1, the first connection portion 22 is configured as a connection groove 221, the second connection portion 11 is configured as a connection protrusion 111, and the connection protrusion 111 extends to the connection groove 221 to be in threaded engagement.

For example, an external thread is provided on the outer circumferential wall of the coupling protrusion 111, and an internal thread is provided on the inner circumferential wall of the coupling groove 221 so that the coupling protrusion 111 is screw-engaged with the coupling groove 221.

Therefore, when the first bolt 10 and the second bolt 20 are connected, the connecting protrusion 111 extends into the connecting groove 221, and the connecting protrusion 111 is in threaded fit with the connecting groove 221, so that the connection stability of the first bolt 10 and the second bolt 20 is enhanced, and the detachment of the first bolt 10 and the second bolt 20 is facilitated.

Preferably, as shown in fig. 1 and 4, the connection groove 221 is located at a middle region of the second end 202 of the second bolt 20, and the fitting portion 21 is plural and disposed around the connection groove 221.

From this, be convenient for connecting groove 221 and cooperation portion 21 can process alone, do benefit to and reduce the processing degree of difficulty, simultaneously, when dismantling second bolt 20, connecting groove 221 also can be used to cooperate with the dismantlement frock (for example, "cylindrical rod-shaped" dismantlement frock), and connecting groove 221 is as the impetus promptly to be convenient for reduce second bolt 20's the dismantlement degree of difficulty.

Further, in the radial direction of the second end 202 of the second bolt 20, at least two fitting portions 21 are symmetrically distributed on both sides of the connection groove 221.

Thereby, it is convenient to reduce the difficulty of arranging the fitting portion 21, for example, when the fitting portion 21 is configured as the fitting groove 211, at least two fitting grooves 211 communicate with the connection groove 221 in the radial direction of the second end 202 of the second bolt 20, thereby facilitating to reduce the difficulty of designing the fitting grooves 211 and the connection groove 221.

In some embodiments, as shown in fig. 2, the second end 202 of the second bolt 20 is provided with a convex portion 23, the cross-sectional area of the convex portion 23 is gradually reduced in the direction from the second bolt 20 to the first bolt 10, and the fitting portion 21 is provided on the convex portion 23.

For example, the boss 23 may be configured as a tapered table-like structure having a diameter that gradually decreases in the direction from the second bolt 20 to the first bolt 10, or the boss 23 may be configured as a structure having square edges so that the boss 23 can be fitted with a "barrel-shaped" removal tool.

Therefore, the protruding portion 23 is arranged, so that the protruding portion 23 can be used as a force application point, that is, the protruding portion 23 can be matched with a disassembling tool, and the disassembling difficulty of the second bolt 20 is reduced.

The utility model also provides a galvanic pile structure.

According to the utility model discloses electric pile structure, including the puller bolt subassembly 100 of any one of the above-mentioned embodiment.

It should be noted that, during the fuel cell module integrated configuration was applied to the galvanic pile structure, when actual assembly, this puller bolt subassembly 100 had the glue of precoating and installs on the casing of galvanic pile, fixed the blind flange, the glue of precoating plays fastening bolt and sealed galvanic pile structure's effect.

According to the utility model discloses pile structure, its puller bolt subassembly 100 is through setting up first bolt 10 of detachably complex and second bolt 20, so that change puller bolt subassembly 100's length, make puller bolt subassembly 100 can cooperate with the not unidimensional reactor core, the commonality of puller bolt subassembly 100 has been strengthened, do benefit to and reduce the assembly degree of difficulty, and set up through the second end 202 at second bolt 20 can with dismantle frock complex cooperation portion 21, be convenient for reduce puller bolt subassembly 100's the dismantlement degree of difficulty.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A jack bolt assembly, comprising:

a first bolt;

the first end of the second bolt is suitable for penetrating through the shell of the electric pile to abut against the reactor core, the second end of the second bolt is located outside the shell, the second end of the second bolt is provided with a first connecting portion and a matching portion, the first connecting portion is detachably matched with the first bolt, and the matching portion is suitable for being matched with a disassembling tool.

2. The jacking bolt assembly of claim 1, wherein the engagement portion is configured as an engagement groove.

3. The jacking bolt assembly of claim 2, wherein said engagement recess is provided in a plurality, and a plurality of said engagement recesses are spaced apart along a circumference of said second end of said second bolt.

4. The puller bolt assembly as set forth in claim 3, wherein said fitting grooves are provided in number of four, at least two of said four fitting grooves being diametrically opposed in a radial direction of said second bolt.

5. The puller bolt assembly of claim 1, wherein the first bolt is provided with a second connecting portion, the first and second connecting portions being threadedly engaged.

6. The jacking bolt assembly of claim 5, wherein the first connecting portion is configured as a connecting groove, and the second connecting portion is configured as a connecting projection, the connecting projection extending into the connecting groove for threaded engagement.

7. The puller bolt assembly of claim 6, wherein the connection groove is located at a middle region of the second end of the second bolt, and the engaging portion is plural and provided around the connection groove.

8. The jacking bolt assembly as claimed in claim 7, wherein at least two of said engaging portions are symmetrically disposed on both sides of said connecting groove in a radial direction of said second end of said second bolt.

9. The puller bolt assembly of claim 1, wherein the second end of the second bolt is provided with a boss having a cross-sectional area that decreases in a direction from the second bolt to the first bolt, and the engagement portion is provided in the boss.

10. A stack structure comprising the puller bolt assembly of any one of claims 1-9.

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