Umbilical tower movable platform center joint rainproof sealing device

Abstract

The utility model discloses a rainproof sealing device for a center joint of a movable platform of an umbilical tower. The rainproof sealing device comprises a main support (1), an auxiliary support (4), a rainproof soft curtain (6), a folding and unfolding device, a locking device and a sliding device. The main support (1) is arranged on the inner surface of a movable platform of the umbilical tower, the auxiliary support (4) is connected to the lower portion of the main support (1) through the sliding device and can slide along the main support (1) under the action of the sliding device, the rainproof soft curtain (6) is arranged on the auxiliary support (4), and the folding and unfolding device can rotationally unfold and fold rainproof cloth of the rainproof soft curtain (6). The rainproof cloth can shield the center joint of the movable platform to achieve rainproof sealing after being put down, and the rainproof cloth can be locked and limited through a locking device after being put to a preset position. The device is simple in design and good in matching performance, the arrangement of the windproof and rainproof curtain can be simply and rapidly completed, and the rainproof, windproof and sand-dust-proof requirements in task guarantee are met.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the launch field umbilical tower sealing technical field, especially, relate to a kind of umbilical tower movable platform middle seam rainproof sealing device. BACKGROUND

[0002] At present, China's space launch has entered a stage of rapid development. The safety index of the task is higher and higher, and the density is greater and greater. The support requirements for space launch site are more and more stringent. The umbilical tower has four groups of rotating platforms, each group of rotating platforms is divided into left and right sides, and is in a folded state in daily life. To ensure that the two sides of the platform can rotate normally and do not interfere with each other, there is a certain gap between the two sides of the truss. To achieve the sealing effect, the rainproof material such as EPDM rubber is wrapped around the polyurethane sponge between the two sides, and the sealing is achieved by extrusion. In the low-temperature environment in winter, the sealing performance of the rainproof material decreases, resulting in a gap between the left and right sides of the movable platform. And in the sealing process, due to the variable height of the lifting platform, the middle seam of the entire sealing wallboard is about 60m long, the side is irregular, there are many interference places around the middle seam, and there are many difficulties in the sealing process, such as Figure 2 、 Figure 3 As the cleanliness and environmental requirements of various products for the sealing area and ground equipment of the launch site are higher and higher, a large amount of plastic paper and adhesive tape, water-absorbing cotton quilt is used for sealing and rainproof treatment of the sealing area in each task support, which is difficult to set, remove and maintain, consumes a lot of manpower, and has the risk of falling from the sky. UTILITY MODEL CONTENT

[0003] The utility model aims to provide a kind of umbilical tower movable platform middle seam rainproof sealing device, which provides strong guarantee for the rainproof ability, heat preservation and cleanliness of the umbilical tower sealing area, and eliminates the disadvantages of the original support method, such as difficult to set, remove and maintain, consumes a lot of manpower and has safety risks, greatly improves the quality and efficiency of task support.

[0004] The utility model adopts the technical scheme of:

[0005] A kind of umbilical tower movable platform middle seam rainproof sealing device, comprising a main support, a vice support, a rainproof soft curtain, a folding device, a locking device and a sliding device.

[0006] The main support is arranged on the inner surface of the umbilical tower movable platform, the vice support is connected to the lower side of the main support through the sliding device, the vice support can slide along the main support under the action of the sliding device, the rainproof soft curtain is arranged on the vice support, the folding device can rotate and fold the rainproof cloth of the rainproof soft curtain, and the rainproof cloth can shield the middle seam of the movable platform to achieve rainproof sealing after being folded, and the rainproof cloth can be locked and positioned by the locking device after being folded to the predetermined position.

[0007] Further, the sliding device comprises a pulley, which is located in the main support and connected with the auxiliary support.

[0008] Further, the winding and unwinding device comprises a hand crank and a bearing, and the hand crank is connected with the auxiliary support through the bearing.

[0009] Further, the locking device comprises a positioning pin, and a circular hole matched with the positioning pin is formed in the auxiliary support.

[0010] Further, the main support comprises two channel steels located at left and right sides of the middle seam, and the lower ends of the channel steels are designed with slits.

[0011] Further, the main support comprises two channel steels located at left and right sides of the middle seam, and the lower ends of the channel steels are designed with slits.

[0012] Further, the main support comprises two channel steels located at left and right sides of the middle seam, and the lower ends of the channel steels are designed with slits.

[0013] Further, the main support comprises two channel steels located at left and right sides of the middle seam, and the lower ends of the channel steels are designed with slits.

[0014] Further, the pulley is connected with the auxiliary support through a pulley block.

[0015] The umbilical tower movable platform middle seam rainproof sealing device has high application prospect, simple operation, small safety risk, efficient setting and withdrawing, and the like.

[0016] 1. The umbilical tower movable platform middle seam rainproof sealing device has high application prospect, simple operation, small safety risk, efficient setting and withdrawing, and the like.

[0017] 2. The umbilical tower movable platform middle seam rainproof sealing device basically covers the environmental protection requirements of various types of products in the umbilical tower sealing area, and can also adapt to similar structures of different workstations.

[0018] 3. The device has simple structure, and all connecting parts adopt common threaded parts and popular welding technology, so that the connection between the connecting parts of the whole device is more simple and not limited, and unnecessary and unreasonable parts are reduced, so that the whole structure is more portable and simple to manufacture and install.

[0019] 4. The device is convenient to assemble and disassemble, and the connection and disassembly between the device and the fixed equipment are convenient and fast, time is saved, personnel is reduced, and work efficiency is improved.

[0020] 5. The device has good damping effect, and the device and the steel platform are connected through four sets of 12*40 screws, the flexibility is large, the periphery is treated by polishing and paint spraying, the connection achieves damping and safe and reliable operation, and the safety and comfort of the whole device in the application process are improved.

[0021] 6,The utility model discloses a mechanical design ensures that it can keep its performance under extreme environmental conditions, does not need complex maintenance and has long service life.

[0022] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 Is the utility model activity work platform middle seam plan view.

[0024] Figure 2 Is the utility model activity work platform middle seam plan view.

[0025] Figure 3 Is the utility model platform under the middle seam rainproof sealing device schematic view.

[0026] Figure 4 Is the utility model platform under the middle seam rainproof sealing device schematic view.

[0027] Figure reference: 1. main support, 2. sealing strip, 3. main support groove steel open end, 4. vice support, 5. hand rocker, 6. rainproof soft curtain, 7. bearing, 8. pulley, 9. eleven layer platform truss, 10. sealing area sealing plate, 11. positioning screw, 12. locking top wire, 13. positioning pin, 14. twelve layer lifting platform. DETAILED DESCRIPTION

[0028] The specific embodiments of the utility model will be described below in combination with the drawings, and it should be understood that the specific embodiments described here are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0029] In the present specification, the orientation terms such as up, down, left, right, front, back, clockwise, counterclockwise, etc. mentioned or possibly mentioned are defined with respect to the structure shown in the drawings, and they are relative concepts, so they may change accordingly according to their different positions and different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0030] According to the specific embodiments of the utility model, with reference to Figures 1 to 4 The umbilical tower movable platform middle seam rainproof sealing device provided by the utility model comprises a main support 1, a vice support 4, a rainproof soft curtain 6, a folding device, a locking device and a sliding device.

[0031] The main support 1 is arranged on the inner surface of the umbilical tower movable platform, the auxiliary support 4 is connected to the lower portion of the main support 1 through the sliding device, the auxiliary support 4 can slide along the main support 1 under the action of the sliding device, the rainproof soft curtain 6 is arranged on the auxiliary support 4, the winding and unwinding device can rotate and wind up the rainproof cloth of the rainproof soft curtain 6, the rainproof cloth can shield the movable platform joint to realize rainproof sealing after being unwound, and the rainproof cloth can be locked and positioned through the locking device after being unwound to the predetermined position.

[0032] Further, the sliding device comprises a pulley 8 which is located in the main support 1 and connected with the auxiliary support 4.

[0033] Further, the winding and unwinding device comprises a hand crank 5 and a bearing 7, the hand crank 5 is connected with the auxiliary support 4 through the bearing 7. The hand crank 5 is mainly welded by a square tube with a wall thickness of 2 mm and a square length of 2 cm, a 0.8 mm diameter iron sleeve is installed on a 0.5 mm diameter handle to facilitate rotation, and the hand crank and the auxiliary support bearing support are connected in an insertion mode. The steel pipe fixed on the bearing pin moves simultaneously, drives the rainproof cloth to wind up or unwind, and the rainproof soft curtain can be laid or withdrawn.

[0034] Further, the locking device comprises a spring telescopic positioning pin 13, a circular hole matched with the positioning pin 13 is arranged on the auxiliary support 4, and the positioning pin 13 can be matched and locked with the plurality of circular holes on the auxiliary support. Because the rainproof sealing cloth has a large weight, in order to prevent the rainproof sealing cloth from sliding down due to gravity, the positioning pin 13 is arranged on the shaft, the positioning pin 13 is inserted when at rest to lock the shaft, and the positioning pin 13 has the functions of reaching the fixed locking position.

[0035] Further, the main support 1 comprises two Q345E channel steels with a thickness of 5 mm and a length of 3000 mm arranged on the left and right of the joint, and the lower end of the channel steel is designed to have a gap to allow the pulley 8 to drive the whole device to slide left and right. One end is open, and a positioning screw is designed to position, and the other end is sealed. Such a design ensures that the whole device does not need to be disassembled before the rotating platform is opened, and only needs to be wound up after the soft curtain is wound up, the positioning screw is loosened, the pulley is pushed to the right side to slide, the whole device is pushed to the right side of the platform, and then positioned, which ensures safety and reliability. Because the left and right sides are separated, the main support is fixed on the truss of the upper movable platform by using the bolts with adjustable length and position, and two positioning screw rods 11 are arranged to ensure that the sealing rainproof cloth does not slide left and right after being laid or withdrawn. The auxiliary support 4 is in the shape of "T" and hung on the main support 1, and is connected with the main support 1 through the embedded pulley set and the trapezoidal support, which ensures the reasonable regulation of the main and auxiliary supports and facilitates the flexible operation of the rainproof sealing device of the umbilical tower movable platform joint. The auxiliary support 4 mainly comprises two shafts and a steel pipe with a diameter of 9 cm, and the steel pipe is wound with rainproof cloth.

[0036] Further, two positioning screws 11 are arranged at one end of the two sections of channel steel respectively.

[0037] Further, a locking jackscrew 12 is arranged for locking and positioning the sub-bracket 4 and the main bracket 1.

[0038] Further, a sealing strip 2 is arranged in the middle seam.

[0039] Further, the pulley 8 is connected with the sub-bracket 4 through a pulley block. The pulley block is mainly fixedly connected with the trapezoidal steel bracket through a 12*40 screw, and is embedded in the main bracket channel steel, so that the whole device can be safely supported and smoothly moved left and right.

[0040] The rainproof soft curtain 6 is made of a waterproof material with wear resistance, light weight and light green color on the market. The wear resistance is mainly considered for not being easily damaged during setting and removing, the light weight is considered for saving labor during setting and removing, and the light green color is considered for not being special and not affecting the overall appearance when being arranged in the sealing area.

[0041] The utility model utilizes the force of the hand crank to set the rainproof soft curtain in place, realizes rainproof and sealing of the middle seam of the sealing area, adopts the roller embedding type between the main bracket and the sub-bracket, and is convenient for maintenance and replacement. The roller and the bearing adopt the general outer diameter 6cm product on the market, various fasteners and connecting pieces can adopt the market products. The hand crank needs to be selected by ordinary 2cm square tube welding processing. The specific operation process of the umbilical tower movable platform middle seam rainproof sealing device is as follows (as shown in Figure 3 、 Figure 4 ):

[0042] (1) Connection of the main bracket and the sub-bracket. First, the rainproof soft curtain with proper length is fixed on the sub-bracket 4, the hand crank 5 is connected, the main bracket 1 is connected with the positioning screw 11, the horizontal locking is carried out, the main bracket pulley framework is locked with the sub-bracket trapezoidal frame through connecting bolts, finally, the pulley set 8 connected with the main bracket is embedded in the main bracket channel steel 1, and the whole connection work is completed.

[0043] (2) Setting of the umbilical tower middle seam rainproof sealing device. Double-position operation is carried out, first, the jackscrew 12 is unlocked, the device is moved to the left, the jackscrew 12 is locked, the hand crank 5 is connected, one person holds the hand crank handle, and the other person unlocks the positioning pin 13 on site; the hand crank operator rotates the hand crank counterclockwise to complete the setting of the umbilical tower middle seam rainproof sealing device, and the positioning pin 13 is locked after being set in place.

[0044] (3) The umbilical tower middle seam rainproof sealing device is withdrawn. Double post operation, first connect the hand crank 5, unlock the positioning pin 13, one operator holds the hand crank handle tightly, rotates the hand crank clockwise to complete the withdrawal of the umbilical tower middle seam rainproof sealing device, and the other operator is an on-site assistant, locks the positioning pin 13 after withdrawal, and moves the device to the right to lock the top screw 12.

[0045] (4) The umbilical tower middle seam rainproof sealing device is removed for maintenance. Double post operation, in order to facilitate removal, directly move the pulley block of the main support to the left along the opening end of the main support channel steel 3 until the pulley block is separated from the main support channel steel 3, and then the removal of the entire umbilical tower middle seam rainproof sealing device is completed.

[0046] The umbilical tower movable platform middle seam rainproof sealing device designed and manufactured by the utility model has the advantages of flexible operation, firm fixation, obvious application effect, and great reduction of personnel work burden, fundamentally solves the problem of middle seam rainproof sealing in a closed area, provides a high-quality guarantee environment for various tests and inspections of various types of products in the umbilical tower sealing area, and provides a solution for the same type of umbilical tower environmental guarantee work.

[0047] Finally, it should be noted that: the above only describes the implementation of the utility model, and is not used to limit the utility model. For those skilled in the art, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A rainproof sealing device for the seam of an umbilical tower activity platform, characterized in that, The utility model relates to a rainproof soft curtain device for umbilical tower movable platform, which comprises a main support (1), a secondary support (4), a rainproof soft curtain (6), a winding and unwinding device, a locking device and a sliding device. The main support (1) is arranged on the inner surface of the umbilical tower movable platform, the secondary support (4) is connected to the lower part of the main support (1) through the sliding device, the secondary support (4) can slide along the main support (1) under the action of the sliding device, the rainproof soft curtain (6) is arranged on the secondary support (4), the winding and unwinding device can rotate and wind the rainproof cloth of the rainproof soft curtain (6), the rainproof cloth can shield the joint of the movable platform to realize rainproof sealing after being laid down, and the rainproof cloth can be locked and positioned by the locking device after being laid to the predetermined position.

2. The mid-seam rain-tight sealing device for an umbilical tower platform according to claim 1, wherein The sliding device comprises a pulley (8), and the pulley (8) is located in the main support (1) and connected with the secondary support (4).

3. The mid-seam rainproof sealing device of the umbilical tower mobile platform according to claim 2, characterized in that, The winding and unwinding device comprises a hand-cranking machine (5) and a bearing (7), and the hand-cranking machine (5) is connected with the secondary support (4) through the bearing (7).

4. The mid-seam rain-tight sealing device of an umbilical tower platform according to claim 3, characterized in that, The locking device comprises a positioning pin (13), and a round hole matched with the positioning pin (13) is arranged on the secondary support (4).

5. The mid-seam rain-tight sealing device of an umbilical tower platform according to claim 4, characterized in that, The main support (1) comprises two channel steels arranged on the left and right of the joint, and the lower end of the channel steel is designed to have a gap.

6. The mid-seam rain-tight sealing device of an umbilical tower platform according to claim 5, characterized in that, The utility model also comprises two positioning screws (11), which are arranged at one end of the two channel steels.

7. The mid-seam rainproof sealing device of the umbilical tower mobile platform according to claim 5, characterized in that, The utility model also comprises a locking top screw (12), which is used to lock and position the secondary support (4) and the main support (1).

8. The mid-seam rainproof sealing device of the umbilical tower mobile platform according to claim 5, characterized in that, A sealing strip (2) is arranged in the joint.

9. The mid-seam rainproof sealing device of the umbilical tower mobile platform according to claim 2, characterized in that, The pulley (8) is connected with the secondary support (4) through a pulley block.

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