阅读说明：本技术 一种核电站乏燃料干式贮存设备支架组装用可调节装置 (Adjustable device for assembling spent fuel dry-type storage equipment support of nuclear power station ) 是由 公超 卢俊生 王春明 于 2021-04-20 设计创作，主要内容包括：本发明公开了一种核电站乏燃料干式贮存设备支架组装用可调节装置,为卧式结构,其特征在于,包括底座、前支撑座、后支撑座、腰孔型支持板、调节螺纹孔板和调节螺栓。本发明调节装置能够对乏燃料干式贮存设备支架的两根承轨组件(导轨)在组装的过程中进行角度、平行度、端面垂直度的调节,以及应用在对乏燃料干式贮存设备支架的配装关键尺寸的检查中,能够明显提高核电站乏燃料干式贮存设备支架装配效率和装配质量,且操作方便,核电站乏燃料干式贮存设备支架放置在可调节装置上后,可以快速方便的调节各种尺寸参数,满足要求后可直接在平台上进行焊接固定。(The invention discloses an adjustable device for assembling a nuclear power station spent fuel dry-type storage equipment bracket, which is of a horizontal structure and is characterized by comprising a base, a front support seat, a rear support seat, a waist-hole-shaped support plate, an adjusting threaded hole plate and an adjusting bolt. The adjusting device can adjust the angle, the parallelism and the end face verticality of two bearing rail components (guide rails) of the spent fuel dry-type storage equipment bracket in the assembling process, can obviously improve the assembling efficiency and the assembling quality of the spent fuel dry-type storage equipment bracket of the nuclear power station when being applied to the inspection of the assembling key size of the spent fuel dry-type storage equipment bracket, is convenient to operate, can quickly and conveniently adjust various size parameters after the spent fuel dry-type storage equipment bracket of the nuclear power station is placed on the adjusting device, and can directly perform welding and fixing on a platform after the requirements are met.)

1. An adjustable device for assembling a nuclear power station spent fuel dry-type storage equipment support is of a horizontal structure and is characterized by comprising a base (2-2), a front support seat (2-11), a rear support seat (2-9), a waist-hole-shaped support plate (2-7), an adjusting threaded hole plate (2-3) and an adjusting bolt (2-4);

the front supporting seat (2-11) and the rear supporting seat (2-9) are fixedly arranged above the base (2-2), the two supporting seats are respectively provided with right-angled grooves at two shoulders, the right-angled grooves at two sides of the same supporting seat are symmetrical left and right, and the right-angled grooves between the front supporting seat (2-11) and the rear supporting seat (2-9) correspond to each other in the front-rear direction;

the right angle shape of the right angle groove is an elevation angle, and two right angle sides of the right angle groove are inclined corresponding to a horizontal/vertical line;

every right angle recess corresponds a set of waist pass backup pad, a set of waist pass backup pad include first plate body (2-6) and second plate body (2-7), first plate body (2-6) and second plate body (2-7) are the flat board, wherein:

a first waist-shaped through hole is processed on the first plate body (2-6), a left second waist-shaped through hole and a right second waist-shaped through hole which are parallel to each other are processed on the second plate body (2-7), the first plate body and the second plate body are respectively attached and fixed on two right-angle sides of the right-angle groove, so that the extending direction of the first waist-shaped through hole is in the horizontal direction, and the extending direction of the second waist-shaped through hole is vertical to the extending direction of the first waist-shaped through hole;

in the front-back direction, the widths of the first waist-shaped through hole and the second plate body are both larger than the thickness of the supporting seat, the first waist-shaped through hole stretches across the corresponding supporting seat, and the two second waist-shaped through holes are respectively positioned at the front side and the back side of the supporting seat, so that the adjusting bolt can penetrate through the left end and the right end of the first waist-shaped through hole and the two second waist-shaped through holes;

the first waist-shaped through hole is provided with a left adjusting bolt and a right adjusting bolt (2-4), the two second waist-shaped through holes are respectively provided with one adjusting bolt (2-4), the back surfaces of the first plate body and the second plate body are respectively provided with an adjusting threaded hole plate (2-3), and threaded holes matched with the adjusting bolts (2-4) are processed in the adjusting threaded hole plates (2-3) and used for positioning the adjusting positions of the adjusting bolts (2-4); the adjusting bolt (2-4) penetrates through the adjusting threaded pore plate (2-3) and the first/second plate body from the back of the first/second plate body, extends upwards to be in contact with the bearing rail assembly of the spent fuel dry storage equipment support, and the extending length of the adjusting bolt can be adjusted by screwing, so that the installation parameters of the bearing rail assembly of the spent fuel dry storage equipment support can be adjusted.

2. The adjustable device for assembling the nuclear power plant spent fuel dry storage equipment bracket according to claim 1, characterized in that:

the device is characterized in that a front end guardrail (2-1) and a rear end guardrail (2-8) are fixedly mounted on the base (2-2), the front end guardrail (2-1) and the rear end guardrail (2-8) are of a uniform door-shaped frame structure, a top cross beam in the horizontal direction and left and right vertical beams connected with the base (2-2) are arranged, the top cross beam is used as a horizontal reference for assisting measurement, and the two vertical beams are respectively blocked at the front side and the rear side of the spent fuel dry storage equipment support rail bearing assembly.

3. The adjustable device for assembling the nuclear power plant spent fuel dry storage equipment bracket according to claim 1, characterized in that:

the front supporting seat (2-11)/the rear supporting seat (2-9) is connected with the base (2-2) through the upright post (2-5), and the front supporting seat (2-11) is connected with the rear supporting seat (2-9) through a left supporting seat pull rod and a right supporting seat pull rod (2-10).

4. The adjustable device for assembling the nuclear power plant spent fuel dry storage equipment bracket as claimed in claim 1, wherein the waist hole type supporting plates (2-7) and the adjusting threaded hole plates (2-3) are both made of 20mm thick steel plates through double-sided machining, and the flatness of both sides of the waist hole type supporting plates and the adjusting threaded hole plates is within 0.1 mm.

5. The adjustable device for assembling the nuclear power plant spent fuel dry storage equipment bracket as claimed in claim 1, wherein the adjusting bolts (2-4) are high-strength bolts with the length of M20 or more.

6. The adjustable device for assembling the nuclear power plant spent fuel dry storage equipment bracket as claimed in claim 1, wherein the whole device is made of Q235B carbon steel, and the surface of the device is treated by sand blasting and painting.

Technical Field

The invention belongs to the technical field of nuclear industry building construction, and particularly relates to an adjustable device for assembling a spent fuel dry-type storage equipment bracket of a nuclear power station.

Background

The nuclear power station spent fuel dry-type storage equipment support is a key supporting component of a dry-type spent fuel storage technology and a storage container, and has high requirements on parallelism, straightness and angle accuracy. The main technical requirements include: the spacing error of the spent fuel dry storage equipment support rails of the nuclear power station is not more than 0.5 mm; the angle between the two rails of the spent fuel dry storage equipment bracket of the nuclear power plant is not more than 30 +/-1 degrees; the parallelism of the nuclear power plant spent fuel dry-type storage equipment support cannot exceed 0.5 mm.

Disclosure of Invention

The invention aims to provide a novel adjustable device for assembling a spent fuel dry-type storage equipment bracket of a nuclear power station, so as to realize the aim of accurate adjustment.

The technical scheme provided by the invention is as follows:

an adjustable device for assembling a nuclear power station spent fuel dry-type storage equipment bracket is of a horizontal structure and is characterized by comprising a base, a front support seat, a rear support seat, a waist hole type support plate, an adjusting threaded hole plate and an adjusting bolt;

the front supporting seat and the rear supporting seat are fixedly arranged above the base, the two supporting seats are respectively provided with a right-angle groove at the two shoulders, the right-angle grooves at the two sides of the same supporting seat are symmetrical left and right, and the right-angle grooves of the front supporting seat and the rear supporting seat correspond to each other in the front-rear direction;

the right angle shape of the right angle groove is an elevation angle, and two right angle sides of the right angle groove are inclined corresponding to a horizontal/vertical line;

every right angle recess corresponds a set of waist pass backup pad, a set of waist pass backup pad include first plate body and second plate body, first plate body and second plate body are the flat board, wherein:

a first waist-shaped through hole is processed on the first plate body, a left second waist-shaped through hole and a right second waist-shaped through hole which are parallel to each other are processed on the second plate body, the first plate body and the second plate body are respectively attached and fixed on two right-angle sides of the right-angle groove, so that the extending direction of the first waist-shaped through hole is in a horizontal direction, and the extending direction of the second waist-shaped through hole is vertical to the extending direction of the first waist-shaped through hole;

in the front-back direction, the widths of the first waist-shaped through hole and the second plate body are both larger than the thickness of the supporting seat, the first waist-shaped through hole stretches across the corresponding supporting seat, and the two second waist-shaped through holes are respectively positioned at the front side and the back side of the supporting seat, so that the adjusting bolt can penetrate through the left end and the right end of the first waist-shaped through hole and the two second waist-shaped through holes;

the first waist-shaped through hole is provided with a left adjusting bolt and a right adjusting bolt, the two second waist-shaped through holes are respectively provided with an adjusting bolt, the back surfaces of the first plate body and the second plate body are respectively provided with an adjusting threaded hole plate, and the adjusting threaded hole plate is provided with a threaded hole matched with the adjusting bolt and used for positioning the adjusting position of the adjusting bolt; the adjusting bolt penetrates through the adjusting threaded pore plate and the first/second plate body from the back of the first/second plate body, extends upwards to be in contact with the rail bearing assembly of the spent fuel dry storage equipment support, and the extending length of the adjusting bolt can be adjusted by screwing, so that the mounting parameters of the rail bearing assembly of the spent fuel dry storage equipment support can be adjusted.

On the basis of the above scheme, a further improved or preferred scheme further comprises:

further, fixed mounting has front end guardrail and rear end guardrail on the base, front end guardrail and rear end guardrail are equal "door" word frame structure, are equipped with the level to the top beam and connect the base about two perpendicular roof beams, the top beam is as helping the measuring horizontal benchmark, and two perpendicular roof beams block respectively in the front and back both sides of spent fuel dry-type storage equipment support bearing rail subassembly.

Furthermore, the front supporting seat/the rear supporting seat is connected with the base through a stand column, and the front supporting seat is connected with the rear supporting seat through a left supporting seat pull rod and a right supporting seat pull rod.

Furthermore, the waist hole type supporting plate and the adjusting threaded hole plate are both formed by machining steel plates with the thickness of 20mm through a double-sided machine, and the planeness of the two sides of the waist hole type supporting plate and the adjusting threaded hole plate is within 0.1 mm.

Further, the adjusting bolt is preferably a high-strength bolt above M20.

Furthermore, the whole material of the device is made of Q235B carbon steel, and the surface of the device is treated by sand blasting and painting, so that the device is prevented from being rusted.

Has the advantages that:

the adjusting device is reasonable in structural planning and easy to realize, can adjust the angle, the parallelism and the end face verticality of two rail bearing assemblies (guide rails) of the spent fuel dry type storage equipment support in the assembling process, can obviously improve the assembling efficiency and the assembling quality of the spent fuel dry type storage equipment support of the nuclear power station when being applied to the inspection of the assembling key size of the spent fuel dry type storage equipment support, is convenient to operate, can quickly and conveniently adjust various size parameters after the spent fuel dry type storage equipment support of the nuclear power station is placed on the adjusting device, and can directly weld and fix on the platform after the requirements are met.

Drawings

FIG. 1 is a top view of an adjustment device of the present invention;

FIG. 2 is a front view of the adjustment device of the present invention;

FIG. 3 is a schematic view of a kidney hole type support plate and a threaded hole plate of the adjustment device of the present invention;

FIG. 4 is a schematic view of the adjusting device of the present invention showing the engagement between the waist-hole support plate, the threaded hole plate and the adjusting bolt;

FIG. 5 is a schematic view of the overall structure of the adjusting device of the present invention;

FIG. 6 is a perspective view of a spent fuel dry storage facility support;

FIG. 7 is a structural view of a spent fuel dry storage facility support mounted to the adjustment apparatus of the present invention;

fig. 8 is a schematic view of the overall structure of the adjusting device of the present invention.

Detailed Description

In order to clarify the technical solution and the working principle of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 5, the adjustable device 2 for assembling the spent fuel dry storage equipment support of the nuclear power plant is a horizontal structure, and the main components of the adjustable device comprise: 2-1 parts of front end guardrails, 2-2 parts of bases, 2-3 parts of adjusting threaded hole plates, 2-4 parts of adjusting bolts, 2-5 parts of upright posts, waist hole type supporting plates, 2-8 parts of rear end guardrails, 2-11 parts of front supporting seats, 2-9 parts of rear supporting seats and the like.

The front supporting seat 2-11 and the rear supporting seat 2-9 are vertically arranged plate bodies and are fixed above the base 2-2 through the upright posts 2-5 in a welding mode, and meanwhile the front supporting seat 2-11 and the rear supporting seat 2-9 are connected through a left supporting seat pull rod 2-10 and a right supporting seat pull rod 2-10, so that the structure is stable.

As shown in fig. 5, the front supporting seat 2-11 and the rear supporting seat 2-9 have the same structure, and are respectively provided with a right-angle groove at the two shoulders, the two right-angle grooves at the two sides of the same supporting seat are symmetrical left and right with the vertical center line of the supporting seat as the center, and the right-angle grooves between the front supporting seat 2-11 and the rear supporting seat 2-9 are corresponding in position in the front-rear direction, that is, are located in the same straight line. The right angle shape of the right angle groove is an elevation angle, two right angle sides of the right angle groove are inclined corresponding to a horizontal/vertical line, and the inclined angle can be consistent with the standard inclination angle of the rail bearing assembly to be assembled.

Each right-angle groove corresponds to one group of waist hole type supporting plates 2-7, each group of waist hole type supporting plates 2-7 comprises a first plate body 2-6 and a second plate body 2-7, and the first plate body 2-6 and the second plate body 2-7 are both of flat plate structures, wherein:

a first waist-shaped through hole is processed on the first plate body 2-6, a left second waist-shaped through hole and a right second waist-shaped through hole which are parallel to each other (the waist-shaped through holes can also be called as long holes) are processed on the second plate body, the first plate body and the second plate body are respectively attached and fixed on two right-angle edges of the right-angle groove, so that the extending direction of the first waist-shaped through hole is horizontal, and the extending direction of the second waist-shaped through hole is vertical to the extending direction of the first waist-shaped through hole, as shown in fig. 3 and 4.

In the front-back direction, the widths of the first waist-shaped through hole and the second plate bodies 2-8 are larger than the thickness of the supporting seat, the first waist-shaped through hole stretches across the corresponding supporting seat, and the two second waist-shaped through holes are respectively positioned at the front side and the back side of the supporting seat, so that the adjusting bolt can penetrate through the left end and the right end of the first waist-shaped through hole and the two second waist-shaped through holes.

The first waist-shaped through hole is provided with a left adjusting bolt 2-4 and a right adjusting bolt 2-4, the two second waist-shaped through holes are respectively provided with one adjusting bolt 2-4, the back surfaces of the first plate body and the second plate body are respectively provided with an adjusting threaded hole plate 2-3, and the adjusting threaded hole plate 2-3 is provided with a threaded hole matched with the adjusting bolts 2-4 and used for positioning the adjusting positions of the adjusting bolts 2-4.

When the adjusting bolt is used, the adjusting bolt 2-4 penetrates through the adjusting threaded hole plate 2-3 and the first/second plate body from the back of the first/second plate body, extends upwards to be in contact with a rail bearing component of the spent fuel dry-type storage equipment support, and the extending length of the adjusting bolt can be adjusted through screwing, so that the adjustment of installation parameters of the rail bearing component of the spent fuel dry-type storage equipment support can be realized, wherein the installation parameters comprise angles, parallelism, end face verticality and other parameters.

The front end guardrail 2-1 and the rear end guardrail 2-8 are of a uniform door-shaped frame structure, are fixedly arranged on the front side and the rear side of the base 2-2, are identical in structure and are respectively provided with a horizontal top cross beam and a left vertical beam and a right vertical beam which are connected with the base 2-2. The top cross beam can be used as a horizontal reference to assist in measurement, and the two vertical beams are respectively blocked at the front side and the rear side of the spent fuel dry type storage equipment support rail bearing assembly, so that the spent fuel dry type storage equipment support of the nuclear power station can be placed in, and the adjustment and welding personnel can conveniently carry out construction.

The main body of the adjusting device can be formed by welding various section steels, and the size of the adjusting device can be customized according to a specially-adapted spent fuel dry-type storage equipment bracket of the nuclear power station. For example, in the present embodiment, the base 2-2 is mainly formed by welding two 200H-shaped steels and 6 # 14 channel steels; the front guardrail and the rear guardrail are of a door-shaped frame structure formed by welding 3 pieces of 14# channel steel and are welded on the base, and the distance between the two guardrails is 6500 mm; the waist hole type supporting plate 2-7 and the adjusting threaded hole plate 2-3 are both formed by machining steel plates with the thickness of 20mm on two sides, and the flatness of the two sides is ensured to be within 0.1 mm; the adjusting bolts 2-4 are preferably high-strength bolts above M20. The whole (components) of the device is preferably made of Q235B carbon steel, and the outer surface of the device can be treated by sand blasting paint to prevent rusting.

As shown in fig. 6, the spent fuel dry storage equipment support 1 mainly comprises a left rail bearing assembly 1-1, a right rail bearing assembly 1-2, temporary support angle steels 1-3, 1-4 and 1-5 at the front, middle and rear parts, and the like. Wherein, the left rail bearing component 1-1 and the right rail bearing component 1-2 are parallel to each other and are inclined inwards.

During adjustment, the adjusting device is manufactured and placed on a horizontal operation platform, the spent fuel dry-type storage equipment support 1 is placed on the adjusting device and is located between two guardrails, two support rail assemblies are placed in right-angle grooves of front and rear waist-shaped hole supporting plates and are in contact with an adjusting bolt plate penetrating through the waist-shaped hole supporting plates, then the specific difference between the critical dimension of the spent fuel dry-type storage equipment support and the required dimension is confirmed through measurement of the nuclear power station spent fuel dry-type storage equipment support, the waist-shaped hole supporting plates and the adjusting threaded holes are machined surfaces, after the spent fuel dry-type storage equipment support is normally placed, the difference between the critical dimension is not too large, and the dry-type storage equipment support of the nuclear power station is finely adjusted by rotating each adjusting bolt to reach the required dimension. And fixing the bolts through connecting pieces between the brackets and welding. And after the welding is finished, the adjustable device is placed for 24 hours, and the installation and adjustment of the bracket are finished. The debugged spent fuel dry-type storage equipment support can meet the technical requirements that the planeness is not more than 0.5mm, the spacing error is not more than 0.5mm and the assembly angle is within the range of 30 degrees +/-1 degrees.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.