CN102513959A - Installing and dismantling device of high temperature gas-cooled reactor discharging equipment - Google Patents

Abstract

The invention relates to an installation and disassembly device for high-temperature gas-cooled reactor unloading equipment, which belongs to the technical field of high-temperature gas-cooled reactors, and includes an interface flange assembly, a guide rail assembly, a screw drive assembly, an interface positioning assembly, and a counterweight assembly. The V-shaped positioning assembly for fine-tuning the direction, the horizontal slide rail assembly and the manual rocker; the connection relationship is: the interface flange assembly and the unloading device realize positioning connection; the guide rail assembly is connected between the interface flange assembly and the interface positioning assembly; One end of the screw drive assembly is fixedly connected to the internal components of the unloading equipment, and the other end is screwed to the interface positioning assembly; the counterweight assembly and the V-shaped positioning assembly are connected to the bottom plate of the interface positioning assembly, and the bottom plate of the interface positioning assembly is fixed on the On the horizontal slide rail assembly, it can move along the slide rail of the horizontal slide rail assembly to move the internal components out of or into the unloading equipment. Each component of the device can be flexibly disassembled, which is convenient for assembly, convenient combination, accurate positioning, time saving, and easy operation control.

Description

An installation and disassembly device for high temperature gas-cooled reactor unloading equipment

technical field

The invention belongs to the technical field of high-temperature gas-cooled reactors, and in particular relates to the structural design of an installation and disassembly device for unloading equipment of high-temperature gas-cooled reactors.

Background technique

The high-temperature gas-cooled reactor unloading equipment is the key equipment to realize the non-stop refueling operation of the high-temperature gas-cooled reactor. Although the equipment adopts the design of one use and one standby, once the equipment fails, its internal components need to be quickly replaced and repaired. Timely and accurate installation. The internal components of the high-temperature gas-cooled reactor unloading equipment weigh about 1100kg. The high-temperature gas-cooled reactor unloading equipment is designed symmetrically. 03, the flange connected to the rear end of the detection component and the drive mechanism 04 (the right part is the structure after removing 04), in which part of the outer surface of the shielding part is in clearance fit with the inner wall of the pressure-bearing shell 01 of the stacking and unloading equipment; its shielding Three threaded holes are left on the part for interfacing with external removal devices. Since the unloading equipment is suspended at the bottom of the pressure vessel and connected to a series of pipes, coupled with a series of factors such as thermal expansion, the position of the equipment is uncertain, and the weight of its internal components is heavy, so the online installation and replacement of its internal components It has caused certain difficulties. At present, during the initial installation, the unloading equipment is rotated 90 degrees and its internal components are hoisted vertically from both sides, but this method is not suitable for online replacement; The components are lifted and then gradually aligned and installed inwardly, but it is not easy to control the exact position, and the disassembly is even more difficult, and the operation is not easy to control, so the installation and disassembly process is time-consuming and laborious.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art, and design a device for installing and dismounting the unloading equipment of a high-temperature gas-cooled reactor. The components of the device adopt a modular design, which can be flexibly disassembled and facilitated assembly. Convenient combination, accurate positioning, time saving, easy operation and control. And it can be applied to the installation and replacement of similar suspension equipment.

The invention proposes an installation and disassembly device for high-temperature gas-cooled reactor unloading equipment, which is characterized in that the device includes: an interface flange assembly, a guide rail assembly, a screw drive assembly, an interface positioning assembly, a counterweight assembly, and a The micro-adjusted V-shaped positioning assembly, the horizontal slide rail assembly, the manual rocker and the connecting parts between the various parts; The equipment realizes positioning connection; the guide rail assembly is connected between the interface flange assembly and the interface positioning assembly; one end of the screw drive assembly is fixedly connected with the internal components of the unloading equipment, and the other end is screwed and connected with the interface positioning assembly; the counterweight assembly directly Placed on one end of the bottom plate of the interface positioning assembly; the V-shaped positioning assembly is connected to the other end of the bottom plate of the interface positioning assembly, and the bottom plate of the interface positioning assembly is fixed on the horizontal slide rail assembly and can move along the slide rail of the horizontal slide rail assembly , to move the internals out of or into the unloading device.

Features and beneficial effects of the present invention:

Each component of this installation and disassembly device can be flexibly disassembled (modular design is adopted), which is convenient for assembly, convenient combination, and easy operation and control. In addition, this set of mounting and dismounting device can realize all the functions in it at the same time, and also realize the combination of its various functions, so as to carry out accurate positioning. It can be specially used for the installation and disassembly of the internal components of the high-temperature gas-cooled reactor unloading equipment, and can also be used for the installation and disassembly of similar equipment.

Description of drawings

Figure 1 is a schematic structural view of the unloading equipment for a high-temperature gas-cooled reactor;

Fig. 2 is a schematic diagram of the overall structure of the installation and disassembly device of the high-temperature gas-cooled reactor unloading equipment of the present invention;

Fig. 3 is the three-dimensional structure schematic diagram of Fig. 2;

Fig. 4 is a schematic structural view of an embodiment of an interface flange assembly and a guide rail assembly of the present invention;

Fig. 5 is a schematic structural view of an embodiment of a screw drive assembly of the present invention;

Figure 6 is a schematic structural view of an embodiment of the interface positioning assembly and the V-shaped positioning assembly of the present invention;

Fig. 7 is a schematic structural diagram of an embodiment of the horizontal slide rail assembly of the present invention.

Detailed ways

The installation and disassembly device of the high-temperature air-cooled reactor unloading equipment designed by the present invention is described in detail as follows in conjunction with the accompanying drawings and implementation:

The installation and disassembly device structure of this set is shown in Figure 2 and Figure 3, including interface flange assembly 1, guide rail assembly 2, screw drive assembly 3, interface positioning assembly 4, counterweight assembly 5, and a V that can be finely adjusted in two directions. Type positioning assembly 6, horizontal slide rail assembly 7, manual rocker 8 and the connection parts between the various components; the connection relationship of the above-mentioned components is: the interface flange assembly 1 passes through the connecting bolt at the end of the unloading equipment and the unloading equipment Realize the positioning connection; the guide rail assembly 2 is connected between the interface flange assembly 1 and the interface positioning assembly 4; one end of the screw drive assembly 3 is fixedly connected with the internal components of the unloading equipment, and the other end is screwed and connected with the interface positioning assembly 4; The counterweight assembly 5 is directly placed on one end of the base plate of the interface positioning assembly 4; the V-shaped positioning assembly 6 is connected to the other end of the base plate of the interface positioning assembly 4, and the base plate of the interface positioning assembly 4 is fixed on the horizontal slide rail assembly 7, It can move along the slide rail of the horizontal slide rail assembly 7 to move the internal components out or into the unloading device.

The device can also be provided with eyebolts on the bottom plate of the interface positioning assembly 4 for manual or hoisting operation.

The device has the characteristics of flexibility (modular design) and easy assembly and use. It can realize preliminary positioning in three directions of the interface position and fine-tuning in two directions. Through a series of interface positioning and screw drive, it can accurately realize the installation and disassembly of the internal components of the unloading equipment, and has the function of movement limit control.

The specific implementation and functions of each part of the device are described as follows:

Interface flange component 1: It is a component directly connected with the unloading equipment. Its specific structure is shown in Figure 4. An annular flange 11 corresponding to the size of the unloading equipment is adopted, and a plurality of positioning holes 12 are opened on the annular flange (for conveniently aligning with the threaded holes of the shell of the unloading device and fixing with the shell by screws or bolts and nuts), and for positioning the two positioning guide blocks 13 connecting the guide rail assembly 2.

Guide rail assembly 2: used to connect the interface flange assembly 1 and the interface positioning assembly 4, and can control the disassembly and installation track of the internal components of the unloading equipment, and can play a position-limiting role; the specific embodiment is to use two channel steel 2 ( It can be a standard part or can be processed by yourself), as shown in Figure 4, the two ends are respectively inserted into the positioning guide blocks of the interface flange assembly 1 and the interface positioning assembly 4 to be positioned and fixed. The guide rail assembly can be flexibly disassembled. After installation, the two slots The steel surface forms a v-shaped symmetrical end face; the end face is tangent to the outer circle of the shielding part of the detection component; it is used for guiding and supporting the detection component when it moves outward.

Screw drive assembly 3: the structure of the specific embodiment is shown in Figure 5, which consists of a shield connector 31, a lead screw 32, a lead screw nut 33, an end bearing 34, a connecting screw 35 and a lead screw connection nut 36; the shield connector 31 It can be processed into a hollow cylinder with a disk at one end (the drive shaft with protruding internal components can be accommodated in the hollow cylinder), the disk is connected to the shielding part of the detection assembly through screws 35, and the end surface of the cylinder is connected to the screw 32 through the end bearing 34 The other end of the lead screw is connected with the lead screw nut 33, and the lead screw nut 33 is fixed on the interface positioning assembly 4, and the internal components of the unloading equipment are driven by the screw movement of the lead screw 32 (either manually or electrically). Move inward or outward to the specified position.

A manual rocker 8 can also be connected by a set screw at the end of the leading screw 32 to realize the manual operation of the screw drive.

Interface positioning component 4: connected with the guide rail component to realize preliminary accurate positioning of the device, and is used to fix the screw drive component 3 and the V-shaped positioning component 6 at the same time. The specific embodiment structure is as shown in Figure 6, comprises base plate 43, is installed on the fixed support 42 that is formed by a plurality of channel steels at one end of base plate 43, and multiple (being 4 among the figure) that is installed on base plate 43 other ends is used for giving The connecting block 46 of the V-shaped positioning assembly 6 guiding and positioning is respectively installed on the base plate and is located on a plurality of eyebolts 44 for operation on both sides of the fixed bracket, and a plurality of (showing three in the figure) reinforced base plates installed under the base plate 43 The channel steel 47; the positioning flange 41 installed on the fixed bracket 42, and the positioning block 45 for fixing the guide rail assembly 2 arranged on the positioning flange 41, there are many groups of oblong holes on the bottom plate 43 for sliding with the horizontal Fixing and adjustment of the roller assembly 75 in the rail assembly 7.

Counterweight component 5: A series of counterweights with different weights can be directly placed on the bottom plate of the interface positioning component 4 opposite to the V-shaped positioning component 6, as shown in Figures 2 and 3, to adjust the balance , so that the internal components of the unloading equipment move in and out smoothly.

V-shaped positioning component 6: fixed on the connection block 46 of the interface positioning component 4, used to support the internal components of the unloading equipment; it can realize fine-tuning in both vertical and horizontal directions to achieve accurate positioning of the internal components; the specific embodiment structure is as follows As shown in Figure 6, it includes a horizontal adjustment base plate 61 with a plurality of transverse guide grooves 611 and vertical walls 612 at both ends; Positioning part; polytetrafluoroethylene protective pad 63 (other similar materials are acceptable) fixed on the V-shaped surface of the V-shaped positioning part, used to protect the outer surface of the detection component from being damaged; used for V-shaped positioning part and lateral adjustment A plurality of (4 in the figure) horizontal fine-tuning fixing through holes and screws 64 fixed by the base plate; multiple groups (4 groups in the figure) of longitudinal adjustment screw nuts 65 for adjusting the distance of two support blocks 62 respectively; The adjusting screw nut 65 synchronously adjusts multiple (four in the figure) longitudinal fine-tuning fixing through holes and screws 66 of the two supporting blocks 62, one end of the longitudinal adjusting screw nut 65 is fixed on the vertical wall of the base plate, and the other end is fixed on the supporting block On the side wall, the vertical fine-tuning fixing through hole and the screw 66 are fixed on the bottom plate 61.

Horizontal slide rail assembly 7: located below the interface positioning assembly 4, it can realize the movement of all components connected to it along the axis of the unloading equipment. Specific embodiment structure as shown in Figure 7, by slide rail base plate 71, a plurality of channel steels 72 that are laterally fixed on the base plate 71, a pair of longitudinal rails 73 that are fixed on the channel steels by a plurality of fastening screws or spot welding and 4 roller assemblies 75 that link to each other with base plate 43 are formed. Wherein, the roller assembly 75 is composed of a roller 751, a bearing cap 752 with a boss, a bearing seat 753, a pair of bearings and a set screw, and is connected with the base plate 43 in the interface positioning assembly 4 by the set screw nut through the bearing seat 753. The bearing cover 752 with the boss in the roller assembly 75 snaps into the groove of the rail 73 to realize the rail-holding locking function, and makes the roller 751 of the roller assembly 75 move along the rail 73 (the axis of the unloading equipment). At the same time, a series of positioning holes are left on the rails at different positions according to requirements, and positioning screws 74 are used to limit the movement. The horizontal slide rail assembly 7 can be fixed on the ground or on the platform.

The working process of this device is: first remove the flange and the driving mechanism connected to the rear end of the detection component, and then connect the interface flange component 1 and the screw drive component 3 to the end face of the pressure-bearing shell and the shielding part of the stacking and unloading equipment respectively. The end face of the screw or bolt nut is fixed, and then the detection component and the shielding component are moved out of the stacking and unloading device along the guide rail component 2 to the interface positioning component 4 through the rotation of the lead screw of the screw drive component, and finally pass the roller of the roller component 75 751 moves along the rail 73 (the axis of the unloading equipment) of the horizontal slide rail assembly 7 to realize the disassembly of the internal components, otherwise the installation operation can be realized.

Claims (5)

1. the installing/dismounting device of a HTGR delivery device; It is characterized in that this equipment comprises: but the union piece between flange assembly, guide assembly, screw drives assembly, interface positioning component, balance weight assembly, V-type positioning component, horizontal slide rail assembly and manual rocking bar and each parts with both direction fine adjustment; The annexation of said each parts is: the flange assembly is realized being located by connecting through the connecting bolt and the delivery device of delivery device end; Guide assembly is connected between flange assembly and the interface positioning component; The other end is screwed with the interface positioning component and is connected screw drives assembly one end with the internals Joint of delivery device; Balance weight assembly directly is placed on the end of base plate of interface positioning component; The V-type positioning component is connected on the other end of base plate of interface positioning component; The base plate of interface positioning component is fixed on the horizontal slide rail assembly, can move along the slide rail of horizontal slide rail assembly, and internals is shifted out or the shift-in delivery device.

2. device as claimed in claim 1 is characterized in that, this device device also is provided with lifting bolt on the base plate of interface positioning component, in order to manual or lifting operation.

3. device as claimed in claim 1 is characterized in that, said screw drives assembly is made up of shielding connector, leading screw, feed screw nut, end face bearing and attaching nut and screw; The shielding connector is the hollow cylinder that an end has disk; This disk links to each other through screw with the shield member of detection components; The cylinder end face links to each other with an end of leading screw through the end face bearing, and the leading screw other end links to each other with feed screw nut and screws togather, and feed screw nut is fixed on the interface positioning component; Through the screw of leading screw, drive the delivery device internals and inwardly or outwards move to assigned address.

4. device as claimed in claim 1; It is characterized in that; Said interface positioning component comprises base plate, is installed in the fixed support of being made up of many channel-section steels of base plate one end, is installed in a plurality of contiguous blocks that are used for to V-type positioning component guide-localization of the base plate other end; Be installed in a plurality of lifting bolts that are used to operate that are positioned at the fixed support both sides on the base plate respectively, be installed in the channel-section steel of a plurality of reinforcing soleplates below the base plate; Be installed in the locating flange on the fixed support, and be arranged on the locating piece that is used for fixing guide assembly on the locating flange.

5. equipment as claimed in claim 1 is characterized in that, has the laterally steering groove below said V-type positioning component comprises, there is the lateral adjustments base plate of wall at two ends; Be fixed on base plate middle part by 2 V-type positioning elements that shape is identical and hollow support piece that place is in opposite directions formed; Be fixed on the lip-deep neonychium of V-type of V-type positioning element; Be used for V-type positioning element and lateral adjustments base plate fixing horizontal fine setting fixed via and screw; Be used for regulating respectively many groups of vertical adjustment screw nuts of two back-up block distances; Be used for a plurality of vertical fine setting fixed via and screw with two back-up blocks of adjustment screw nut adjusted in concert; This vertical adjustment screw nut one end is fixed on the wall of base plate; The other end is fixed on the sidewall of back-up block, and this vertically finely tunes fixed via and screw is fixed on the lateral adjustments base plate.

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