CN114888734B

CN114888734B - Installation positioning device of lower internal pile member overhauling equipment

Info

Publication number: CN114888734B
Application number: CN202210461389.4A
Authority: CN
Inventors: 刘治; 吴梦莹; 张红; 胡建强
Original assignee: China General Nuclear Power Corp; China Nuclear Power Technology Research Institute Co Ltd; CGN Power Co Ltd; China Nuclear Power Operation Co Ltd
Current assignee: China General Nuclear Power Corp; China Nuclear Power Technology Research Institute Co Ltd; CGN Power Co Ltd; China Nuclear Power Operation Co Ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2023-05-12
Anticipated expiration: 2042-04-28
Also published as: CN114888734A

Abstract

The invention relates to a mounting and positioning device of lower in-pile member overhaul equipment, which comprises a mounting base and a positioning bracket, wherein the mounting base is used for mounting the lower in-pile member overhaul equipment; the mounting base comprises a base plate, an expanding member and a guiding member; the expansion component is arranged on the base plate and used for being in expansion connection with the grid plate of the internal component of the pile, and the guide component is arranged on the base plate and used for providing guide for the installation of the installation base on the grid plate; the positioning bracket is connected with the mounting base and is used for mounting the positioning device to the grid plate to provide a positioning reference. The installation positioning device is detachably connected to the installation base through the positioning support to serve as a positioning reference, the installation base is positioned and installed on the grid plate through the guiding of the guiding component, the installation base can be in expanded connection with the grid plate through the expansion component on the base plate, the quick positioning installation of the lower part in-pile component overhaul equipment is facilitated, and the equipment installation in place inaccuracy caused by disorder of artificial long-distance observation during direct hoisting and installation of the equipment is avoided.

Description

Installation positioning device of lower internal pile member overhauling equipment

Technical Field

The invention relates to the field of equipment installation and maintenance, in particular to an installation positioning device for lower in-pile member overhaul equipment.

Background

The lower internals service equipment of a nuclear power unit typically includes a shroud fastener changing apparatus. When the fastening pieces (such as bolts) of the coaming components of the lower internal components are replaced, according to the positions of the fastening pieces of the coaming components to be replaced, the coaming fastening piece replacing device is required to be hoisted, inserted and positioned into a plurality of holes preselected and determined on the grating plates of the lower internal components, otherwise, even if the position of one hole is poor, the coaming fastening piece replacing device cannot be installed in error and cannot be replaced, the coaming fastening piece replacing device is directly hoisted and positioned on the grating plates, and because of the plurality of the perforation holes on the grating plates, the manual long-distance observation is often disordered, so that the equipment is installed in place inaccurately.

Disclosure of Invention

The invention aims to solve the technical problem of providing the installation positioning device capable of realizing quick and accurate lifting and positioning of the lower in-pile component overhaul equipment.

The technical scheme adopted for solving the technical problems is as follows: constructing an installation positioning device of lower in-pile member maintenance equipment, which comprises an installation base and a positioning bracket, wherein the installation base is used for installing the lower in-pile member maintenance equipment;

the mounting base comprises a base plate, an expanding member and a guiding member; the expansion component is arranged on the base plate and is used for being in expansion connection with a grid plate of the inner-pile component, the guide component is arranged on the base plate and is used for providing guide for installing the installation positioning device of the lower inner-pile component overhaul equipment on the grid plate;

the positioning bracket is connected with the mounting base, and a mounting positioning device for lower internal pile member overhaul equipment is mounted on the grid plate to provide a positioning reference.

In some embodiments, the expansion member comprises an outer sleeve, an expansion sleeve, and an expansion shaft;

the outer sleeve is sleeved on the periphery of part of the expansion sleeve; the expansion shaft penetrates through the expansion sleeve and drives the expansion sleeve to be expanded or contracted by axially reciprocating motion, so that the expansion shaft is in expansion connection with or is loosened from the overflow hole on the grid plate.

In some embodiments, the expansion sleeve includes a body portion and a tapered portion; one end of the main body part penetrates out of the outer sleeve, and the conical part is arranged at one end of the main body part penetrating out of the outer sleeve; one end of the conical part, which is far away from the main body part, is provided with a conical hole for the expansion shaft to penetrate out.

In some embodiments, the expansion shaft comprises a body and a pointed tip; the tip portion is arranged at one end of the body and penetrates out of the taper hole.

In some embodiments, the expansion member further comprises a screwing structure connected with the expansion shaft for screwing by an external tool to drive the expansion shaft to reciprocate along the axial direction.

In some embodiments, the expansion member further comprises a first guide structure disposed on the expansion sleeve for guiding the external tool down into connection with the screw-on structure.

In some embodiments, the expansion member further comprises a second guide structure coupled to the expansion sleeve for axial movement guiding of the expansion shaft.

In some embodiments, the second guide structure comprises a first guide pin extending radially of the expansion shaft and connected to the expansion sleeve;

the expanding sleeve is provided with a guide groove, and the guide groove is matched with the first guide pin.

In some embodiments, the mounting base further comprises a lifting member disposed on the substrate.

In some embodiments, the mounting base further comprises a locating hole for mounting the locating bracket and/or with the lower internals service equipment;

in some embodiments, the mounting base further comprises a support structure supporting the substrate.

In some embodiments, the positioning scaffold comprises a skeleton and an elastic connection structure;

the framework comprises a connecting part and a positioning part; the elastic connecting structure is arranged on the connecting part and is used for being elastically connected with the mounting base; the positioning part is connected to one side of the connecting part and extends outwards for positioning with the coaming assembly on the grid plate.

In some embodiments, the positioning bracket further comprises a lifting structure disposed on the framework.

The installation and positioning device for the lower in-pile member overhaul equipment has the following beneficial effects: the installation positioning device is characterized in that the positioning support is detachably connected to the installation base to serve as a positioning reference, the installation base is positioned and installed on the grid plate through guiding of the guiding component, and the installation base can be connected with the grid plate in an expanding mode through an expanding component on the base plate, so that the quick positioning installation of the lower-portion in-pile component overhaul equipment is facilitated, and the equipment installation inaccuracy caused by disorder of manual long-distance observation during direct hoisting and installation of the equipment is avoided.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a mounting location device of a lower internals service installation mounted to a grid plate in some embodiments of the present invention;

FIG. 2 is a schematic view of the mounting base of the mounting and positioning device of the lower internals service equipment shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the expanding member of the mounting base of FIG. 2;

FIG. 4 is a schematic view of the positioning bracket of the mounting base of FIG. 2;

FIG. 5 is a schematic view of the structure of the lower internals repair apparatus of FIG. 1 integrally hoisted to the grid plate and expanded;

FIG. 6 is a schematic view of the lower internals service equipment of FIG. 1 with the positioning brackets removed from the installation positioning device;

fig. 7 is a schematic view of the structure of the attachment of the coaming fastener changing apparatus to the mounting base and the expansion.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.

Fig. 1 and 7 illustrate some preferred embodiments of the installation positioning device 100 of the lower internals service equipment of the present invention. The installation positioning device 100 of the lower in-pile component inspection equipment is used for the lower in-pile component inspection equipment, and the lower in-pile component inspection equipment comprises a coaming fastener replacing device 300. Specifically, the installation positioning device 100 of the lower in-pile member overhauling equipment can be used for installing and positioning the coaming fastener replacing device 300 on the grid plate 201 of the lower in-pile member 200, wherein the grid plate 201 can be a lower grid plate, so that the coaming fastener replacing device can be quickly and accurately installed in place, and the problem that equipment installation is inaccurate due to disorder caused by manual long-distance observation when the equipment is directly hoisted and placed is avoided.

Further, in some embodiments, the attachment location device 100 of the coaming fastener further includes an attachment base 10 and a location bracket 20. The mounting base 10 may be used for the installation of the panel fastener changing apparatus 300. The positioning bracket 20 is connectable with the mounting base 10, and is detachably connectable with the mounting base 10 for positioning and mounting of the mounting base 10.

As shown in fig. 2 and 3, further, in some embodiments, the mounting base 10 includes a base plate 11, an expanding member 12, and a guiding member 13. The base plate 11 is used for installation of the coaming fastener changing apparatus 300. In some embodiments, a tensioning member 12 may be provided on the base plate 11 for a tensioning connection with the grid plate 201 of the lower internals 200. The guide member 13 is provided on the base plate 11, and is used for guiding the installation positioning device 100 when the installation positioning device is lifted and inserted into the overflow hole 2011 on the grid plate 201.

Further, in some embodiments, the substrate 11 may include a first straight portion 11a, a second straight portion 11b; the number of the second straight portions 11b may be two, and the second straight portions may be disposed at both ends of the first straight portion 11a, and may be disposed perpendicular to the first straight portion 11a, and may extend in the same direction. In some embodiments, the mounting base 10 further includes positioning holes 111, and the positioning holes 111 may be disposed on the substrate 11, specifically, the positioning holes 111 may be plural and may be distributed on the first straight portion 11a and the second straight portion 11b at intervals. The positioning hole 111 may be a circular hole, and may be provided through the thickness direction of the base plate 11, and the positioning hole 111 may be used for mounting the positioning bracket 20 and mounting the panel fastener changing apparatus 300. Of course, it will be appreciated that in other embodiments, the locating holes 111 may be used only for locating bracket 20 installation or only for coaming fastener installation of the device 300.

Further, in some embodiments, the expansion member 12 is disposed on the base plate 11, in some embodiments, the expansion members 12 may be four, and the four expansion members 12 may be mounted on four top corners of the base plate 11. Specifically, the expansion member 12 may be fixed to the base plate 11 by bolting. The expansion member 12 can be inserted into the overflow hole 2011 on the grid plate 201, and expand and tightly expand with the overflow hole 2011 by expanding, so as to connect and fix the substrate 11 and the grid plate 201. It will be appreciated that in some embodiments, the expansion member 12 may not be limited to four.

Further, in some embodiments, the expansion member 12 includes an outer sleeve 121, an expansion sleeve 122, an expansion shaft 123, a screw-on structure 124, a first guide structure 125, and a second guide structure 126. The outer sleeve 121 may be disposed around the outer periphery of the expansion sleeve 122. The expansion sleeve 122 can be expanded or contracted by the expansion shaft 123, so as to be expanded and fastened in the flow-through hole 2011 or be separated from the flow-through hole 2011. The expansion shaft 123 is inserted into the expansion sleeve 122, and can drive the expansion sleeve 122 to expand or contract through axial reciprocating motion, so that the expansion sleeve 122 can be in expansion connection with or release from the overflow hole 201 on the grid plate 201. In some embodiments, the screwing structure 124 may be disposed at one end of the expansion shaft 123 and connected to the expansion shaft 123, so as to be connected to an external tool, and screwed by the external tool, so as to drive the expansion shaft 123 to reciprocate axially. The first guiding structure 125 is disposed on the expansion sleeve 122, and is used for guiding an external tool to be inserted down and connected with the screwing structure 124. The second guide structure 126 may be coupled to the expansion sleeve 122 for guiding axial movement of the expansion shaft 123.

In some embodiments, the outer sheath 121 may include a cylindrical outer sheath 1211, and the outer sheath 1211 may be cylindrical and have a hollow structure with two ends passing therethrough. An outer flange 1212 may be provided at one end of the outer casing 1211, and the outer flange 1212 may extend radially outwardly of the outer casing 1211 and be integrally formed with the outer casing 1211 for connection with the expansion shell 122.

In some embodiments, the expansion sleeve 122 includes a body portion 1221 and a tapered portion 1222. The body portion 1221 may be a cylindrical structure, and a connecting portion 1225 may be disposed at one end of the body portion 1221, where the connecting portion 1225 may extend radially outward from the body portion 1221 and may be engaged with the outer flange 1212. In some embodiments, the connection 1225 may be removably coupled to the outer flange 1212 by providing coupling bolts. In some embodiments, the body 1221 is a hollow structure with two ends extending therethrough, and the inner side may form a channel for movement of the expansion shaft 123. The body portion 1221 may be disposed partially through the outer jacket 121, and in particular, it may be disposed through an end of the outer jacket 1211 remote from the outer flange 1212. In some embodiments, the tapered portion 1222 is disposed at an end of the main body portion 1221 penetrating the outer sleeve 121, and the tapered portion 1222 has a tapered hole 1223 at an end far from the main body portion 1221, wherein the tapered hole 1223 has a large lower portion and a small upper portion; the tapered bore 1223 may be in communication with a passage in the body portion 1221. The tapered bore 1223 may be used to allow the expansion shaft 123 to pass through. The expansion shaft 123 can be moved axially back and forth to and from the tapered bore 1223 through the body portion 1221, thereby radially expanding or radially contracting the tapered portion 1222. The tapered portion 1222 is insertable into the flow aperture 2011 in a tightened state and is secured in tension with the flow aperture 2011 by distraction. In some embodiments, the expansion sleeve 122 is provided with a through slot 1224, and the through slot 1224 is a bar-shaped slot, which may be disposed and extended along the axial direction of the main body 1221. In some embodiments, the plurality of through slots 1224 can be provided in a plurality, and the plurality of through slots 1224 can be spaced apart along the circumference of the body portion 1221, such that the body portion 1221 can be expanded by the expansion shaft 123 by providing the through slots 1224.

Further, in some embodiments, the expansion shaft 123 can include a body 1231 and a peak structure 1232, the body 1231 can be cylindrical and can be disposed along the axial direction of the expansion sleeve 122. The peak structure 1232 is disposed at one end of the body 1231, and can be disposed through the taper hole 1223. In some embodiments, the expansion shaft 123 further includes a cylindrical body 1233, the cylindrical body 1233 may be disposed between the body 1231 and the peak structure 1232, and a radial dimension of the cylindrical body 1233 may be greater than a radial dimension of the body 1231. When the expansion shaft 123 moves downward along the axial direction thereof, the cylindrical body 1233 moves downward, and the tapered portion 1222 automatically tightens, so that the tightened radial dimension is smaller than the inner diameter of the flow-through hole 2011, and the expansion sleeve 122 can be inserted into the flow-through hole 2011 or withdrawn from the flow-through hole 2011. When the expansion shaft 123 moves upward along the axial direction, the cylindrical body 1233 moves upward, so that the tapered portion 1222 can be expanded, and the radial dimension of the expanded cylindrical body is equal to the inner diameter of the flow-through hole 2011, so that the expansion sleeve 122 is in expansion connection with the flow-through hole 2011.

In some embodiments, the screwing structure 124 may be disposed at one end of the expansion sleeve 121, specifically, it may be sleeved on the expansion shaft 123 and connected to the expansion shaft 123, so as to drive the expansion shaft 123 to reciprocate along the axial direction. In some embodiments, the screwing structure 124 includes a sleeve body 1241 and a screwing head 1242, the sleeve body 1241 is screwed on the expansion shaft 123, the screwing head 1242 can be disposed on the sleeve body 1241 and extends along the axial direction of the expansion shaft 123 opposite to the direction of the expansion shaft 123, and can be connected with an external tool, and the external tool can screw the external tool, so that the external tool can drive the expansion shaft 123 to reciprocate along the axial direction.

In some embodiments, the first guiding structure 125 is sleeved on the periphery of the screwing structure 124. In some embodiments, the first guide structure 125 includes a guide cylinder 1251 and a guide cup 1252 disposed at one end of the guide cylinder 1251. The guide cylinder 1251 may be sleeved on the outer circumference of the sleeve 1241 of the screw structure 124. The guide cup 1252 is disposed at one end of the guide cylinder 1251, and is sleeved on the outer periphery of the screwing head 1242, which is in communication with the guide cylinder 1251. The guide cup 1252 may be funnel-shaped for guiding an external tool down to connect with the screw head 1242.

Further, in some embodiments, the second guide structure 126 can include a first guide pin 1261, the first guide pin 1261 extending radially of the expansion shaft 123. In some embodiments, a guide groove 1234 may be disposed on the expansion shaft 123, the guide groove 1234 may be a bar-shaped groove, and the guide groove 1234 may be disposed along an axial extension of the expansion shaft 123. The guide groove 1234 may be disposed corresponding to the first guide pin 1261, where one end of the first guide pin 1261 may be connected to the expansion sleeve 122, and the other end of the first guide pin is inserted into the guide groove 1234, and may cooperate with the guide groove 1234 to provide axial movement guidance for the expansion shaft 123, so as to limit the expansion shaft 123 to only move up and down in the axial direction thereof, but not rotate.

Further, in some embodiments, the guide member 13 includes a second guide pin 131 and a connection plate 132, one end of the second guide pin 131 is mounted to the connection plate 132, and the other end extends downward in a direction perpendicular to the base plate 11. The second guide pin 131 has an outer diameter smaller than an inner diameter of the flow hole 2011, and the second guide pin 131 is inserted into the flow hole 2011 to provide initial guide when the installation and positioning device 100 is lifted to be positioned on the grid plate 201. The connection plate 132 may be mounted on the base plate 11 and protrude along the outside of the base plate 11, so that the second guide pin 131 may be connected with the base plate 11.

Further, in some embodiments, the mounting base 10 further includes a support structure 14, the support structure 14 being positionable on the base plate 11 for supporting the base 11. The supporting structure 14 may be two sets of the two sets of supporting structures 14 may be correspondingly disposed on the two sets of second straight portions 11b, and each set of supporting structures 14 may include two supporting columns, which may be disposed on a side of the substrate 11 opposite to the grid plate 201 and parallel to the second straight portions 11b, for supporting the substrate 11.

Further, in some embodiments, the mounting base 10 further comprises a lifting member 15, the lifting member 15 being disposed on the base plate 11 for lifting of the mounting base 10. The lifting member 15 may be a plurality of lifting rings, and the plurality of lifting rings are distributed on the two second straight portions 11b at intervals and used for being connected with a lock for lifting external equipment. It will be appreciated that in other embodiments, the lifting member 15 is not limited to a lifting ring, a device location is not limited.

Further, as shown in fig. 4, in some embodiments, the positioning bracket 20 includes a skeleton 21 and a resilient connecting structure 22. The skeleton 21 may be used to mate with the shroud assembly 202. The elastic connection structure 22 is disposed below the frame 21, and is used for detachably connecting the frame 21 with the mounting base 10.

In some embodiments, the framework 21 may be made of a material such as nylon or a lightweight metal material such as an aluminum alloy. The frame 21 includes a connecting portion 211 and a positioning portion 212. The connection portion 211 is detachably connected to the mounting base 10 through the elastic connection structure 22. In some embodiments, the connection 211 can include a first slat 2111, a second slat 2112, a third slat 2113, and a fourth slat 2114. The number of the first strips 2111 may be two, and the two first strips 2111 are spaced apart. The first slat 2111 is flat. The number of the second strips 2112 is two, the two second strips 2112 may be disposed on the two first strips 2111 at intervals, and the length of the second strips 2112 may be greater than the length of the first strips 2111. The second slat 2112 may be generally trapezoidal or wedge-shaped, which may be disposed perpendicular to the first slat 2111. The number of the third strips 2113 may be two, the two third strips 2113 are disposed between the two second strips 2112, and two ends of each third strip 2113 may be connected to the two second strips 2112, respectively. In some embodiments, the fourth strip 2114 may be disposed between the two third strips 2113, and both ends may be connected to the two third strips 2113, respectively. The positioning portion 212 may be connected to one side of the connecting portion 211 and extends outwards for positioning with the shroud assembly 202, specifically, it may be non-contact embedded into a groove on the inner side of the shroud assembly 202, and be positioned in cooperation with the groove, so as to position the entire mounting base 10 to a set position of the grid plate 201. The positioning portion 212 has a shape matching the shape of the recess on the inner side of the shroud assembly 202, and may have a size smaller than the recess. In some embodiments, the positioning portion 212 can be coupled to the second ribbon 2112, and the positioning portion 212 can include two fifth ribbons 2121, a fixed ribbon 2122, and a sixth ribbon 2123. The two fifth strips 2121 may be connected to the two second strips 2112 at both ends. In some embodiments, the bottom surface of the fifth slat 2121 may be a sloped surface that slopes away from the second slat 2112. In some embodiments, the fixing plate 2122 may be disposed at an end of the two fifth strips 2121 away from the second strip 2112 for fixedly connecting the two fifth strips 2121. The sixth plate 2123 is disposed between the two fifth plates 2121, and two ends are respectively connected to the two fifth plates 2121.

In some embodiments, the elastic connection structure 22 may be disposed under the frame 21, and in particular, it may be disposed under the first slat 2111 of the connection portion 211. The elastic connection structure 22 may include an elastic claw 221, and the elastic claw 221 may extend downward in a direction perpendicular to the connection portion 211, and may be inserted into and clamped in the positioning hole 111 of the base plate 11, thereby connecting the positioning bracket 20 with the mounting base 10 to form a whole.

In some embodiments, the positioning bracket 20 further includes a lifting structure 23, the lifting structure 23 can be disposed on the frame 21, and in some embodiments, the lifting structure 23 can be disposed on the third slat 2113, i.e., at the center of gravity of the frame 21, for connection with a lifting appliance. After the mounting base 10 and the positioning bracket 20 are lifted to the grid plate 201, the positioning bracket 20 can be pulled out from the mounting base 10 by slightly increasing the lifting force during lifting through connecting the lifting device with the lifting structure 23, and then the positioning bracket 20 is removed. In some embodiments, the lifting structure 23 may be a lifting ring or other structure that may be coupled to a lifting appliance.

As shown in fig. 5 to 7, when the panel fastener replacing apparatus is used, the positioning bracket 20 may be inserted and clamped into the positioning hole 111 on the base plate 11 by the elastic claw 221, so that the positioning bracket 20 is integrally connected with the mounting base 10. The installation base 10 and the positioning bracket 20 are integrally lifted and positioned on the grid plate 201 of the lower internal piling component 200 through the lifting member 15 connected to the base plate 11 through the lifting tool, when in position, the positioning part 212 of the positioning bracket 20 can be non-contact embedded into the clamping groove at the inner side of the coaming component 202, the relative position of the positioning bracket is only used as a reference, the positions of the installation base 10 and the positioning bracket 20 in the horizontal direction can be manually observed and quickly determined, when the installation base 10 and the positioning bracket 20 descend to be close to the bottom of the grid plate 201, the guide pin 131 is used for guiding and downwards inserting the installation base 10 and the positioning bracket 20 into the pre-determined overflow hole 2011 of the grid plate 201, simultaneously, the conical part 1222 at the lower end of the expansion member 12 is also inserted into the corresponding overflow hole 2011 to realize the determination and the positioning of the installation base 10 and the positioning bracket 20, then the lifting tool is removed, a rotary long rod tool is downwards inserted onto the screwing head 1242, the expansion shaft 123 can be driven to upwards move through the rotary long rod tool screwing the screwing head 1242, the conical part 122 at the lower end of the expansion shaft 123 can be used for supporting the expansion sleeve 122, the conical part is correspondingly inserted into the overflow hole 2011 through the guide pin 131, the lifting device is also arranged in the lifting device 13, and finally the fastening device is replaced (the lifting device is arranged, and the lifting device is correspondingly arranged in the lifting device is replaced, and the lifting device is arranged) and the lifting device is correspondingly to be connected with the lifting device 10, and the lifting tool is correspondingly arranged; the coaming fastener is quickly and accurately hoisted in place. In some embodiments, the fasteners on the shroud assembly 202 may be bolts.

The installation positioning device 100 of the lower in-pile member overhaul equipment can realize quick and accurate installation and positioning of the coaming fastener replacement device, and avoid disorder caused by artificial long-distance observation when directly hoisting and placing equipment, thereby causing inaccurate installation and positioning of the equipment.

The installation base 10 of the coaming fastener replacing device is provided with an expansion member 12 and a guide member 13, so that the installation base 10 and the positioning support 20 can be connected with the lower grid plate of the lower internal pile member in a lifting, guiding and expanding manner.

The positioning bracket 20 of the coaming fastener replacing apparatus is provided with an elastic claw 221 which can be inserted into the positioning hole 111 of the mounting base 10, thereby realizing the purpose of ensuring the rapid integral connection and disconnection of the positioning bracket 20 and the mounting base 10.

The positioning part 212 at the front end of the framework 21 of the installation positioning device 100 of the lower in-pile member maintenance equipment keeps the same shape as the coaming assembly 202 of the lower in-pile member, but the size is slightly smaller than the inner size of the coaming assembly 202, and the installation base 10 and the positioning bracket 20 can be used for manually observing and quickly confirming the horizontal position when being hoisted in place.

It is to be understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. The installation and positioning device of the lower in-pile component overhaul equipment is characterized by comprising an installation base (10) and a positioning bracket (20) for installing the lower in-pile component overhaul equipment;

the mounting base (10) comprises a base plate (11), an expanding member (12) and a guiding member (13); the expanding component (12) is arranged on the base plate (11) and is used for expanding and connecting with a grid plate (201) of the in-pile component (200), the guide component (13) is arranged on the base plate (11), and the installation positioning device for the lower in-pile component overhaul equipment is arranged on the grid plate (201) to provide guide;

the positioning bracket (20) is connected with the mounting base (10), and a mounting positioning device for the lower in-pile member overhaul equipment is mounted to the grid plate (201) to provide a positioning reference;

the expansion member (12) comprises an expansion sleeve (122) and an expansion shaft (123); the expansion shaft (123) penetrates through the expansion sleeve (122) and drives the expansion sleeve (122) to expand or contract through axial reciprocating motion so as to be in expansion connection or release with the overflow hole (2011) on the grid plate (201);

the expansion sleeve (122) comprises a conical part (1222) which is driven by the expansion shaft (123) to be tightened or expanded.

2. The installation positioning device of a lower internals service installation according to claim 1, characterized in that the expansion element (12) comprises an outer sleeve (121);

the outer sleeve (121) is sleeved on the periphery of part of the expansion sleeve (122).

3. The installation positioning device of a lower internals service installation according to claim 2, characterized in that the expansion sleeve (122) further comprises a main body portion (1221); one end of the main body part (1221) penetrates out of the jacket (121), and the conical part (1222) is arranged at one end of the main body part (1221) penetrating out of the jacket (121); one end of the conical part (1222) far away from the main body part (1221) is provided with a conical hole (1223) for the expansion shaft (123) to penetrate.

4. A mounting and positioning device for a lower internals service installation according to claim 3, characterized in that the expansion shaft (123) comprises a body (1231) and a pointed tip (1232); the tip portion (1232) is disposed at one end of the body (1231) and protrudes from the taper hole (1223).

5. The mounting and positioning device of the lower internals repair equipment according to claim 2, characterized in that the expansion member (12) further comprises a screwing structure (124), the screwing structure (124) is connected with the expansion shaft (123) and is used for screwing an external tool to drive the expansion shaft (123) to reciprocate along the axial direction.

6. The installation positioning device of the lower internals repair equipment according to claim 5, characterized in that the expansion means (12) further comprises a first guiding structure (125), the first guiding structure (125) being arranged on the expansion sleeve (122) for guiding the external tool to be inserted down in connection with the screwing structure (124).

7. The installation positioning device of a lower internals service installation according to claim 2, characterized in that the expansion means (12) further comprise a second guiding structure (126), the second guiding structure (126) being connected with the expansion sleeve (122) for guiding the axial movement of the expansion shaft (123).

8. The installation positioning device of a lower internals service installation according to claim 7, characterized in that said second guiding structure (126) comprises a first guiding pin (1261), said first guiding pin (1261) extending radially of said expansion shaft (123) and being connected with said expansion shell (122);

the expanding shaft (123) is provided with a guide groove (1234), and the guide groove (1234) is matched with the first guide pin (1261).

9. The installation positioning device of a lower in-pile component service installation according to claim 1, characterized in that the installation base (10) further comprises a hoisting member (15), the hoisting member (15) being arranged on the base plate (11).

10. The mounting and positioning device of a lower internals service installation according to claim 1, characterized in that the mounting base (10) further comprises positioning holes (111) for mounting the positioning brackets (20) and/or with the lower internals service installation.

11. The installation positioning device of a lower internals service installation according to claim 1, characterized in that the installation base (10) further comprises a support structure (14) supporting the base plate (11).

12. The installation positioning device of a lower internals service installation according to claim 1, characterized in that the positioning bracket (20) comprises a skeleton (21) and an elastic connection structure (22);

the skeleton (21) comprises a connecting part (211) and a positioning part (212); the elastic connecting structure (22) is arranged on the connecting part (211) and is used for being elastically connected with the mounting base (10); the positioning part (212) is connected to one side of the connecting part (211) and extends outwards, and is used for positioning the coaming assembly (202) on the grid plate (201).

13. The installation positioning device of a lower internals service installation according to claim 12, characterized in that the positioning bracket (20) further comprises a hoisting structure (23) arranged on the framework (21).