High-place operation hanging basket for nuclear power environment

Abstract

The utility model relates to a high-place operation hanging basket used for nuclear power shielding plant upper portion ring corridor operation and air deflector installation and maintenance environment, belongs to the technical field of lifting and hoisting, and particularly relates to lifting and hoisting of nuclear power equipment. The hanging basket electric vehicle, the connecting rod and the hanging basket track are arranged to form a hanging mechanism, the structure of the hanging basket can be conveniently moved in a narrow space, the risk of re-disassembly and re-assembly is avoided, the mounting frame, the hanging basket and the auxiliary basket are arranged to form a hanging platform capable of adapting to equipment such as a nuclear power reactor, a large tank body and a chimney, and the hanging platform is convenient to use. Therefore, the high-place operation hanging basket special for the nuclear power environment is constructed, the auxiliary basket can also allow a cable to penetrate through and provide lateral protection, the space in the hanging basket can be saved, the cable can be prevented from being damaged, the construction efficiency is greatly improved, and the construction difficulty is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of high-altitude operation baskets for nuclear power environment, belong to lifting and hoisting technical field, especially the lifting and hoisting of nuclear power equipment. BACKGROUND

[0002] In the construction, maintenance and repair of nuclear power plant, when high-altitude operation is needed at the high position of nuclear power reactor tank, it is necessary to transport operating personnel or parts to the high position of nuclear power reactor tank.

[0003] Currently, a general hoist-lifting facility for industrial construction is usually set beside the nuclear reactor. Although this facility can meet the basic vertical transportation requirements, it is difficult to move and install again in the actual operation process because of the narrow space beside the reactor and the heavy hoist-lifting facility, which greatly increases the construction difficulty and efficiency.

[0004] In addition, since the basket is usually a rectangular frame, when it is close to the cylindrical reactor, the basket position on both sides will deviate far from the reactor, making it difficult to operate. Moreover, the cables of the electric control box are usually exposed outside the basket or stored inside the basket, which not only causes damage to the cables, but also reduces the operating space inside the basket, bringing many inconveniences and risks to the construction process.

[0005] Therefore, it is clear that the current general hoist-lifting facility is not suitable for nuclear power construction environment, and there is a lack of a lifting device specially used for nuclear power environment. SUMMARY

[0006] To solve the above problems, the utility model provides a kind of high-altitude operation basket for nuclear power environment, comprising:

[0007] A suspension mechanism comprising a connecting rod, a plurality of basket electric vehicles connected to the connecting rod by a sleeve connector, the basket electric vehicles are arranged on the basket track, allowing the basket electric vehicles to slide on the basket track;

[0008] A suspension platform comprising a mounting bracket, a basket arranged on the mounting bracket, a lower limit stop rod connected to the bottom of the basket, the two sides of the mounting bracket are connected to the sleeve connector by a steel wire, and a hoist and a take-up machine connected to the steel wire are installed on the mounting bracket, two auxiliary baskets are arranged on both sides of the basket respectively;

[0009] The main electric box installed inside the basket is connected to the auxiliary electric box arranged on the connecting rod by the cable passing through the auxiliary basket.

[0010] Further, the sleeve connector comprises two parallelly arranged connecting plates connected by fasteners at four corners, and the connecting rod is arranged in the gap between the two connecting plates and is longitudinally limited by the fasteners at the four corners.

[0011] Further, a heart-shaped ring is arranged between the two fasteners at the two corners below the connecting plate, and the steel wire is fixed to the heart-shaped ring and the fasteners on both sides of the heart-shaped ring.

[0012] Further, the two ends of the connecting rod are provided with bump blocks.

[0013] Further, the near-end guardrail arranged on the side of the hanging basket close to the nuclear power reactor tank body is provided with an arc-shaped surface structure, and the punched protective plate is arranged on the near-end guardrail.

[0014] Further, the auxiliary basket is a cylindrical frame with a semicircular cross section, and the side of the auxiliary basket is provided with a reinforced guardrail to allow the cable to pass through the auxiliary basket in a single line or folded state. The connecting rod is provided with a support ring, and the cable is connected to the auxiliary electric box after passing through the support ring.

[0015] Further, the lower limiting stop rod is a horizontally arranged rod, and the rod is hingedly connected to the bottom of the hanging basket.

[0016] Further, the mounting frame is provided with a wall-following wheel on the side close to the nuclear power reactor tank body.

[0017] Further, the stroke switch is arranged on the two ends of the connecting rod and the two ends of the mounting frame.

[0018] Further, the steel wire is connected to the light source by a rope clamp, and the safety lock is arranged on the steel wire between the suspension mechanism and the suspension platform.

[0019] The beneficial effects of the utility model are as follows:

[0020] The utility model discloses a hanging basket electric vehicle, a connecting rod and a hanging basket track are arranged to build a suspension mechanism, which realizes the structure that the hanging basket can be conveniently moved in a narrow space, avoids the risk of reassembling, and builds a suspension platform specially used for nuclear power shielding plant upper ring corridor operation and air deflector installation, maintenance and adaptation to the special environment of the nuclear power reactor tank body by arranging a mounting frame, a hanging basket and an auxiliary basket, thereby building a high-altitude operation hanging basket specially used for the special environment of the nuclear power reactor tank body, and the auxiliary basket can also pass through the cable and provide lateral protection, which not only saves the space in the hanging basket but also prevents the cable from being damaged, greatly improves the construction efficiency and reduces the construction difficulty. DRAWINGS

[0021] Figure 1It is the overall structure front view in an embodiment of the utility model;

[0022] Figure 2 It is the overall structure side view in an embodiment of the utility model;

[0023] Figure 3 It is the overhead view of the suspension platform in an embodiment of the utility model;

[0024] Figure 4 It is the cable connection schematic view in an embodiment of the utility model;

[0025] In the figure: 11, connecting rod;12, hanging basket electric car;13, sleeve joint;131, fastener;132, heart ring;14, hanging basket track;15, auxiliary electric box;16, bump block;21, mounting frame;22, hanging basket;221, near-end guardrail;222, punched guard plate;23, lower limit stop lever;231, adjusting rod;24, auxiliary basket;25, hoist;26, take-up machine;27, hand wheel;28, safety lock;29, light source;3, steel wire;4, cable;5, wall-relying wheel;6, main electric box;7, support ring. DETAILED DESCRIPTION

[0026] The technical scheme of the utility model will be described below in conjunction with the drawings, obviously, the described embodiments are a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0027] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. Among them, the terms "first position" and "second position" are two different positions.

[0028] In the description of the utility model, it is necessary to explain that, unless there are explicit provisions and limitations, the terms ''installation'', ''connection'', ''connection'' should be understood broadly, for example, it can be fixed connection, also can be detachable connection, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements, for ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.

[0029] Embodiment 1

[0030] The ''nuclear power environment'' of the utility model refers to the special environment for the installation, maintenance of the upper ring corridor operation and air deflector of the nuclear power shielding plant and the special environment adapted to the nuclear power reactor tank.

[0031] As Figures 1-4 The utility model provides a high operation basket for nuclear power environment, including:

[0032] Suspension mechanism, including connecting rod 11, multiple basket electric cars 12 fixedly connected in connecting rod 11 through sleeve joint 13, the basket electric car 12 is arranged in basket track 14, allows the basket electric car 12 to slide on basket track 14, the sleeve joint 13 includes two parallelly arranged and four-corner connected connecting plates of fastener, the connecting rod 11 is inserted in the gap between the two connecting plates, and the fastener 131 of four corners is used to limit the connecting rod 11 in the longitudinal direction, the heart ring 132 is arranged between the two fasteners 131 of the two corners below the connecting plate, the steel wire 3 is fixed to the heart ring 132 and the fastener 131 on both sides of the heart ring 132, and the heart ring 132 is connected with the steel wire 3, which has the advantage of improving the stability of the connecting end of the steel wire 3, the both ends of the connecting rod 11 are provided with a bump block 16 and a travel switch, since the basket electric car 12 can move with the connecting rod 11 and the suspension platform, the bump block 16 can avoid the collision between the connecting rod 11 and other surrounding objects after being arranged,

[0033] Suspension platform, including mounting bracket 21, basket 22 arranged on mounting bracket 21, lower limit stop rod 23 connected with the bottom of basket 22, the both sides of mounting bracket 21 are connected with sleeve joint 13 through steel wire 3, and lifting machine 25 and take-up machine 26 connected with steel wire 3 are installed on mounting bracket 21, and two vice baskets are arranged on the both sides of the basket respectively, the suspension platform is controlled to rise and fall through hand wheel 27, lifting machine 25 and take-up machine 26, and main electric box 6 and auxiliary electric box 15 work jointly.

[0034] The side of basket 22 close to the nuclear power reactor tank is provided with a proximal guardrail 221 with arc surface structure, from Figure 3The cross section of the near-end guardrail 221 has an arc close to the nuclear power reactor tank body, which is more suitable for the cylindrical surface of the reactor tank body. The punched protection plate 222 is installed on the near-end guardrail 221, so that the observation can be conveniently realized through punching. The auxiliary basket 24 is a cylindrical frame with a semicircular cross section. The support ring 7 is arranged on the connecting rod 11. Since the cable 4 has a certain mass, the cable 4 is connected to the auxiliary power box 15 after passing through the support ring 7. The support ring 7 shares a certain pressure with the auxiliary power box 15, so that the auxiliary power box 15 is prevented from being pulled off due to excessive traction. The lower limit stop lever 23 is a horizontally arranged rod. The lower limit stop lever 23 is adjusted to a suitable position through the adjusting rod 231 hinged to the bottom of the hanging basket, so that the hanging basket 22 is limited by the lower limit stop lever 23 when descending to the bottom, and the operation is stopped.

[0035] The auxiliary basket 24 is provided with a reinforced guardrail on the side, so that the cable 4 can pass through the auxiliary basket 24 in a single line or a folded state. The main power box 6 installed in the hanging basket 22 is connected to the auxiliary power box 15 arranged on the connecting rod 11 after the cable passes through the auxiliary basket 24. In this way, the cable 4 does not need to be additionally stored. The semicircular space surrounded by the auxiliary basket 24 covers the cable 4, so that the space in the hanging basket 22 is not occupied, the weight limit of the hanging basket 22 is not affected due to the excessive weight of the cable 4, and the cable 22 can be prevented from being damaged due to excessive exposure under the protection of the reinforced guardrail.

[0036] In addition, the steel wire 3 is connected to the light source 29 through a rope clamp. The safety lock 28 is arranged on the steel wire 3 between the suspension mechanism and the suspension platform, so as to ensure the safety of high-altitude operation. The wall-following wheel 5 is arranged on the side of the mounting frame 21 close to the nuclear power reactor tank body, so as to stably abut the suspension platform and the operation surface and play a guiding role in the lifting process. The travel switches are installed at both ends of the connecting rod 11 and the mounting frame 21.

[0037] Although the utility model has disclosed as above with preferable embodiments, it is not used to limit the utility model. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model should be defined by the claims.

Claims

1. A high work platform basket for nuclear power environment, characterized in that, The utility model relates to a nuclear power plant maintenance device, including: A suspension mechanism, including a connecting rod, a plurality of basket electric vehicles connected to the connecting rod through a sleeve joint, the basket electric vehicles are arranged on a basket track, allowing the basket electric vehicles to slide on the basket track; A suspension platform, including a mounting frame, a basket arranged on the mounting frame, a lower limit stop rod connected to the bottom of the basket, the two sides of the mounting frame are connected to the sleeve joint through a steel wire, and a lifting machine and a take-up machine connected to the steel wire are arranged on the mounting frame, two auxiliary baskets are arranged on the two sides of the basket respectively; A main electric box arranged inside the basket is connected to an auxiliary electric box arranged on the connecting rod through a cable passing through the auxiliary basket.

2. The elevated work basket of claim 1, wherein, The sleeve joint includes two parallel connecting plates connected through fasteners at four corners, the connecting rod passes through the gap between the two connecting plates, and the connecting rod is limited in the longitudinal direction by the fasteners at the four corners.

3. The elevated work basket of claim 2, wherein, A heart-shaped ring is arranged between the two fasteners at the two corners below the connecting plate, and the steel wire is fixed to the heart-shaped ring and the fasteners on both sides of the heart-shaped ring.

4. The elevated work basket of claim 3, wherein, The connecting rod is provided with a bump block at both ends.

5. The elevated work platform of claim 1, wherein, The basket is provided with an arc-shaped near-end guardrail near the side of the nuclear power reactor body, and a punched guard plate is arranged on the near-end guardrail.

6. The elevated work platform of claim 1, wherein, The auxiliary basket is a cylindrical frame with a semicircular cross section, the side of the auxiliary basket is provided with a reinforced guardrail, allowing the cable to pass through the auxiliary basket in a single line or folded state, and a support ring is arranged on the connecting rod, and the cable is connected to the auxiliary electric box after passing through the support ring.

7. The elevated work platform of claim 1, wherein, The lower limit stop rod is a horizontally arranged rod, and the bottom of the basket is connected to the rod through a hinge.

8. The elevated work platform of claim 1, wherein, The mounting frame is provided with a wall-following wheel near the side of the nuclear power reactor body.

9. The elevated work platform of claim 1, wherein, Travel switches are arranged at both ends of the connecting rod and both ends of the mounting frame.

10. The elevated work platform of claim 1, wherein, The steel wire is connected to a light source through a rope clamp, and a safety lock is arranged on the steel wire between the suspension mechanism and the suspension platform.

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