CN212425146U

CN212425146U - Device and hoisting structure suitable for hoist and mount DTRO membrane column

Info

Publication number: CN212425146U
Application number: CN202020612721.9U
Authority: CN
Inventors: 周明; 宋延冬; 李城钢; 陈慧军
Original assignee: Tongxinde Environmental Protection Device Technology Hebei Co ltd; Guangxi Guixin Environmental Protection Technology Co ltd
Current assignee: Tongxinde Environmental Protection Device Technology Hebei Co ltd; Guangxi Guixin Environmental Protection Technology Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-01-29
Anticipated expiration: 2030-04-22

Abstract

The application discloses device suitable for hoist and mount DTRO membrane column includes: the hoisting assembly is characterized in that fixing pieces are arranged at two ends of the hoisting assembly and located on the same side of the hoisting assembly, and hoisting rings are arranged on one side, away from the fixing pieces, of the hoisting assembly. Based on above-mentioned design, utilize the hoist and mount subassembly as the transition structure between hoist and mount machinery and the DTRO membrane post, inside membrane post and membrane shell between two mountings of two mountings just joint to can keep the compactness between inside membrane post and the membrane shell, prevent that the membrane shell from sliding downwards and droing. The technical scheme that this application provided compares in prior art, can remove DTRO membrane post in-process at the hoist and mount, improves membrane post overall structure's stability. Still specifically disclose in this application has a hoisting structure suitable for hoist and mount DTRO membrane column. A plurality of DTRO membrane columns can be hoisted simultaneously, and hoisting efficiency is greatly improved.

Description

Device and hoisting structure suitable for hoist and mount DTRO membrane column

Technical Field

The application discloses generally relate to hoist and mount field, concretely relates to device and hoisting structure suitable for hoist and mount DTRO membrane post.

Background

In recent years, with the increasing attention of the whole society on environmental protection and the coming of national environmental protection policies, the discharge standard of wastewater treatment is higher and higher, and the disc-tube reverse osmosis technology has achieved great success in various high-difficulty wastewater treatment applications such as garbage percolation, high-salt, high-organic matter, high-ammonia nitrogen and the like.

The DTRO membrane column is a form of reverse osmosis and is a membrane component specially used for treating high-concentration sewage, and the membrane component of the DTRO membrane column mainly comprises a central pull rod, an internal membrane column, a membrane shell, various sealing pieces of flanges at two ends, connecting bolts and the like. It can be seen from figure 1 that the membrane housing 1 is concentric and coaxial with the inner membrane column 2 and is held together by upper and lower nuts and a spindle (central tie rod). The film shell 1 and the inner film column 2 are sealed by a lip shape to keep the film shell 1 not to move up and down; because the inside of the DTRO membrane cartridge 1 is a smooth surface, glycerol is smeared at the lip seal when the membrane cartridge is assembled, which reduces the friction between the membrane cartridge 1 and the inner membrane cartridge 2.

However, in the conventional production process of the DTRO membrane column, the DTRO membrane column needs to be hoisted and moved to other workshops for the next step of working procedure. However, in the conventional hoisting of the DTRO membrane column, the hoisting of the DTRO membrane column adopts the mode that one end of the DTRO membrane column is connected with a hoisting ring 3 capable of being hoisted, the hoisting ring 3 is in threaded connection with an internal membrane column 2, then the hoisting ring 3 capable of being hoisted is hung on a lifting hook of a crown block for hoisting, the DTRO membrane column is in a vertical state during hoisting, but a membrane shell 1 is not fixed in the hoisting process, and the membrane shell 1 slides downwards due to the action of gravity, so that the membrane shell is easy to fall off, and workers are easy to be injured; meanwhile, when the DTRO membrane column is hoisted in the traditional way, the nut is used as the welding hoisting ring 3, and if the DTRO membrane column is frequently used, the thread of the pull rod on the inner membrane column 2 can be damaged; in addition, in the hoisting process, only one DTRO membrane column can be hoisted at one time, so that the efficiency is low and a large amount of time is wasted; the labor cost is increased, the labor intensity of the work is high, and the technical problems are all problems to be solved urgently in the hoisting process.

Disclosure of Invention

In view of the above-mentioned defect or not enough among the prior art, this application aims at providing one kind and compares in prior art, can remove DTRO membrane post in-process at the hoist and mount, improves DTRO membrane post hoist and mount stability, prevents that the membrane shell from following the device and the hoisting structure of being applicable to hoist and mount DTRO membrane post that DTRO membrane post drops.

In a first aspect, a device suitable for hoisting a DTRO membrane column comprises: and the two ends of the hoisting assembly are respectively provided with a fixing piece, the fixing pieces are positioned on the same side of the hoisting assembly, and the hoisting assembly is provided with a hoisting ring piece on the side which is relatively far away from the fixing pieces.

According to the technical scheme that this application embodiment provided, hoist and mount subassembly includes: at least two hoisting pieces are connected between the head and the tail of the two adjacent hoisting pieces through connecting pieces, and the fixing piece is arranged at the free end of the hoisting piece in the hoisting assembly.

According to the technical scheme provided by the embodiment of the application, the connecting piece comprises: the lock catch and the clamping ring are arranged at the first end and the second end of the two adjacent hoisting pieces and are connected in a matched mode.

According to the technical scheme provided by the embodiment of the application, an inner slot is formed in the first end of each two adjacent hoisting pieces, and a limiting piece capable of entering the inner slot is arranged at the second end of each two adjacent hoisting pieces; a first through hole is formed in the wall of the inner slot, and a second through hole corresponding to the first through hole is formed in the side wall of the limiting piece; the first through hole is internally provided with a first independent fixing bolt which can penetrate through the second through hole.

In a second aspect, the present application further provides a hoisting structure suitable for hoisting a DTRO membrane column, which comprises at least two devices suitable for hoisting the DTRO membrane column according to any one of the above technical schemes. Two adjacent devices are arranged in parallel and are connected through a connecting assembly.

According to the technical scheme that this application embodiment provided, coupling assembling includes: the outer adapting pipe is arranged on the hoisting component or the hoisting piece, and one end of the outer adapting pipe is provided with an inner adapting piece; the inner bearing piece can enter the adjacent outer bearing pipe; the bottom of the outer adapting pipe is fixedly connected to the side wall of the hoisting component or the hoisting piece and extends along the width direction of the hoisting component or the hoisting piece.

According to the technical scheme that this application embodiment provided, outer adapter lateral wall is equipped with the third through-hole, and interior adapter lateral wall is equipped with the fourth through-hole, and outer adapter can pass through the independent fixing bolt rigid coupling of second that runs through third through-hole and fourth through-hole with the interior adapter that gets into it.

According to the technical scheme that this application embodiment provided, interior bolster roof is equipped with first fixation nut, and outer bolster diapire is equipped with second fixation nut, and second fixation nut just corresponds with first fixation nut and third through hole.

According to the technical scheme provided by the embodiment of the application, the longitudinal section of the inner bearing piece is of an inverted U-shaped structure.

According to the technical scheme provided by the embodiment of the application, each fixing piece is integrally L-shaped; the first end of the fixing part is fixedly connected with the hoisting component, and the second end of the fixing part is provided with a clamping part.

Each fixing piece is provided with at least one sliding guide structure; each lead smooth structure, include: the steel ball rolling device comprises a guide chute arranged on a fixing piece, wherein a steel ball fixing groove is arranged in the guide chute, a steel ball is arranged in the steel ball fixing groove, the steel ball and the steel ball fixing groove are in clearance fit, the steel ball can roll in the steel ball fixing groove, a limiting plate matched with the guide chute is externally connected with the guide chute, and the diameter of the steel ball is larger than the distance between the limiting plate and the steel ball fixing groove.

In summary, the present application discloses a specific structure of a device suitable for hoisting a DTRO membrane column. Based on above-mentioned design, utilize the hoist and mount subassembly as the transition structure between hoist and mount machinery and the DTRO membrane post, when hoist and mount DTRO membrane post, lie in between two mountings during DTRO membrane post, inside membrane post and membrane shell between two mountings of two mountings exact joint to can keep the compactness between inside membrane post and the membrane shell, prevent that the membrane shell from sliding down and droing. The technical scheme that this application provided compares in prior art, can remove DTRO membrane post in-process at the hoist and mount, improves membrane post overall structure's stability.

The structure of hoist and mount subassembly has specifically been given among this technical scheme, promptly: the method comprises the following steps: the two adjacent hoisting pieces are connected end to end through connecting pieces; the mounting is arranged at the free end of the hoisting piece in the hoisting assembly. Based on this design, when many hoist and mount pieces connect gradually, obtain length adjustable hoist and mount subassembly, can adapt to the length size of different DTRO membrane posts through the increase in hoist and mount piece quantity.

In order to enhance the stability and reliability of the connection between the head and the tail of two adjacent hoisting pieces, the technical scheme also specifically provides the design of an inner slot and a limiting piece. Between two adjacent hoist and mount pieces, connect mutually through the hoist and mount piece that is equipped with the locating part with the hoist and mount piece that one end was equipped with interior slot, then it can to utilize the connecting piece with two adjacent hoist and mount piece rigid couplings again.

Still specifically disclose in this application has a hoisting structure suitable for hoist and mount DTRO membrane column. Hoisting structure suitable for hoist and mount DTRO membrane column includes: at least two devices suitable for hoisting the DTRO membrane column are fixedly connected through a connecting component. Through the hoisting structure after the equipment, can hoist a plurality of DTRO membrane posts simultaneously, improve hoist and mount efficiency by a wide margin. The technical scheme also specifically provides a specific structure of the connecting assembly.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram showing a detailed structure of a device suitable for lifting a DTRO membrane column in the prior art;

FIG. 2 is a schematic structural view of a first embodiment of an apparatus for lifting a DTRO membrane column according to the present application;

FIG. 3 is a schematic structural view of a second embodiment of the device for hoisting a DTRO membrane column according to the present application;

FIG. 4 is a schematic structural diagram of a limiting member in an apparatus suitable for hoisting a DTRO membrane column according to the present application;

fig. 5 is a schematic view of a hoisting structure suitable for hoisting a DTRO membrane column according to the present application;

FIG. 6 is a schematic structural view of a longitudinal section in a hoisting structure suitable for hoisting a DTRO membrane column according to the present application;

FIG. 7 is a schematic structural view of the fastener of the present application;

FIG. 8 is a schematic structural view of one embodiment of a fastener of the present application;

FIG. 9 is a schematic structural view of another embodiment of a fastener of the present application;

reference numbers in the figures:

(1) a membrane shell; (2) an inner membrane column; (3) the lifting ring; (4) and hoisting the assembly; (5) a fixing member; (6) a lifting ring piece; (401; 402) a sling; (701) locking and buckling; (702) a snap ring; (8) a limiting part; (403) a first through hole; (9) a second through hole; (10) a first independent fixing bolt; (11) an outer adapting pipe; (12) an inner bearing piece; (13) a third through hole; (14) a fourth through hole; (15) a second independent fixing bolt; (16) the first fixing nut; (18) a second fixing nut; (20) the clamping piece; (2101 a; 2101b), a guide chute; a steel ball fixing groove; (2102 a; 2102b), the steel ball fixing groove; (2103 a; 2103b), a steel ball; (2104 a; 2104b), a limiting plate.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, an apparatus for hoisting a DTRO membrane column comprises: the hoisting assembly 4 is provided with fixing parts 5 at two ends of the hoisting assembly 4, the fixing parts 5 are located on the same side of the hoisting assembly 4, and a hanging ring 6 is arranged on one side, far away from the fixing parts 5, of the hoisting assembly 4.

Wherein: as shown in fig. 2, the device suitable for hoisting the DTRO membrane column comprises: a hoisting component 4, in this embodiment, the hoisting component 4 may be a telescopic hoisting component, so that the length of the telescopic hoisting component can be adjusted according to the length of the DTRO membrane column; hoist and mount subassembly 4 both ends all are equipped with mounting 5, and two mounting 5 all lie in hoist and mount subassembly 4 with one side, are convenient for like this to the fixed of DTRO membrane column.

The connection mode between the fixing member 5 and the hoisting assembly 4 is not limited to welding, and other connection modes such as snap-in connection or threaded connection and the like can be adopted. Fixing piece 5 still can be different shape structures, can see from fig. 2, for example fixing piece 5 can be "L" type structure, go into DTRO membrane post card between two fixing pieces 5, its one end of fixing piece 5 and 4 welding of hoist and mount subassembly, the other end and the inboard inside membrane post of membrane shell and outer wall looks joint, both fixed the inside membrane post like this, also fixed the membrane shell, can keep the compactness between inside membrane post and the membrane shell, prevent that DTRO membrane post from droing can. A lifting ring piece 6 is arranged on one side of the lifting assembly 4 relatively far away from the fixing piece 5; the hanging ring piece 6 is used for being hung on a hanging hook of an external overhead crane, and the hanging ring piece 6 is arranged on one side of the hanging assembly and can be selected according to the working requirement at that time.

When the workman need hoist and mount removal DTRO membrane post, need place between two mountings 5 DTRO membrane post, two mountings just joint inside membrane post and membrane shell between two mountings to can keep the compactness between inside membrane post and the membrane shell, two mountings 5 match with DTRO membrane post and connect the back, hang rings spare 6 on external day car couple, lift by crane the removal. By utilizing the structure, the stability of the overall structure of the membrane column can be improved in the process of hoisting and moving the DTRO membrane column.

The technical scheme that this embodiment provided, as shown in fig. 3, in order to hoist the DTRO membrane column of different length dimensions, or because of the influence of hoist and mount subassembly length problem hoist and mount DTRO membrane column, consequently hoist and mount subassembly 4 includes: at least two hoisting pieces; (for convenience, hereinafter, two adjacent sling are described as first sling 401 and second sling 402, respectively); for example 2 sling, 3 sling, etc.; the most preferred way in this embodiment is two sling; the first hoisting piece 401 and the second hoisting piece 402 of the two adjacent hoisting pieces are connected end to end through connecting pieces. The fixing piece 5 is arranged at the free ends of the first hoisting piece 401 and the second hoisting piece 402 in the hoisting assembly 4, so that the fixing piece 5 can be conveniently installed on the first hoisting piece 401 and the second hoisting piece 402 and can be conveniently fixed on the DTRO membrane column.

According to the above-mentioned connecting element, in the solution provided by this embodiment, as shown in figure 3, the connecting element between two adjacent first and

second sling

401, 402, comprises: a lock 701 arranged at the first end and a clamping ring 702 arranged at the second end of the two adjacent first lifting piece 401 and second lifting piece 402. The latch 701 mates with the snap ring 702.

Wherein:

wherein one end of the first sling 401 is a second end and the other end is a first end; one end of the second hoisting member 402 is a second end and the other end is a first end; the first end of first sling 401 is adjacent to the second end of second sling 402. For example, a lock 701 disposed at a first end of first sling 401, and a collar 702 disposed at a second end of second sling 402, where lock 701 mates with collar 702. With the above structure, the adjacent first sling 401 and second sling 402 can be firmly fixed to each other.

However, the connection between the first sling 401 and the second sling 402 is not limited to the above-mentioned connection, and other connections, such as snap-in connections, can be used.

In the technical solution provided in this embodiment, the first end of the first hoisting member 401 and the second hoisting member 402 is provided with an inner slot, and the second end is provided with a limiting member 8 capable of entering the inner slot.

Wherein: in this embodiment, in the first hoisting member 401 and the second hoisting member 402, an inner slot is formed in one side, relatively close to the second end of the second hoisting member 402, of the first end of the first hoisting member 401, a limiting member 8 is arranged on one side, relatively close to the first end of the adjacent first hoisting member 401, of the second end of the second hoisting member 402, and the limiting member 8 may enter the inner slot. In this embodiment, the connection between the limiting member 8 and the second hanging member 402 can be a welding connection.

A first through hole 403 is formed in the wall of the inner slot, and the first through hole 403 is a single-sided through hole in the wall of the inner slot; a second through hole 9 corresponding to the first through hole 403 is arranged on the side wall of the limiting member 8; a first independent fixing bolt 10 capable of penetrating through the second through hole 9 is fitted in the first through hole 403.

Wherein: the technical scheme has two functions, one of which is as follows: a first through hole 403 is formed in the wall of the inner slot, the first through hole 403 is a first threaded hole, and a first positioning nut (as can be seen from fig. 5) can be further arranged on the edge of the first threaded hole; be equipped with second through-hole 9 on the lateral wall of locating part 8, after slot in the locating part 8 inserts, first through-hole 403 position just corresponds with second through-hole 9 position, and first set nut is equipped with first independent fixing bolt 10 outward, and first fixed independent bolt 10 passes first set nut, first through-hole 403 and second through-hole 9, with the locating part 8 restriction in the slot including, strengthens the connection of adjacent first hoist and mount piece 401 and second hoist and mount piece 402.

The second is as follows: as can be seen from fig. 4, in the above technical structural scheme, since the second through hole 9 of the limiting member may be a rectangular groove, when the lock 701 and the snap ring 702 connected to the adjacent first hoisting member 401 and the second hoisting member 402 are opened, the second hoisting member 402 moves in the direction away from the first hoisting member 401, but since the first fixing independent bolt 10 is rotated, the limiting member 8 is limited in the inner slot, the second hoisting member 402 may be taken out without completely separating from the first hoisting member 401.

When the lock catch 701 and the clamping ring 702 which are connected with each other on the adjacent first hoisting piece 401 and the second hoisting piece 402 are opened, the DTRO membrane column is placed between the two fixing pieces 5 of the adjacent first hoisting piece 401 and the second hoisting piece 402, after the DTRO membrane column is placed, the limiting piece 8 is limited to a proper position in the inner slot by rotating the first fixing independent bolt 10, and meanwhile, the lock catch 701 and the clamping ring 702 are connected with each other, so that the DTRO membrane column can be hoisted. Therefore, the design of the inner slot and the limiting part is adopted, the practicability of the device is enhanced, and the working efficiency is greatly improved.

In addition, the first hoisting piece 401 provided with the inner slot in the embodiment can also be of a tubular structure, so that the special manufacture of the inner slot can be omitted; the limit stop can also be inserted directly into the tubular first sling 401. Through the structural scheme, the connection between the adjacent first hoisting piece 401 and the second hoisting piece 402 can be reinforced.

In a second aspect, the present application further provides a hoisting structure suitable for hoisting a DTRO membrane column, including: at least two devices suitable for hoist and mount DTRO membrane column of above-mentioned arbitrary embodiment, two adjacent devices set up side by side, and two adjacent devices are connected through coupling assembling.

Wherein: every DTRO membrane post of device hoist and mount suitable for hoist and mount DTRO membrane post, including being connected two devices that are applicable to hoist and mount DTRO membrane post through coupling assembling if a hoisting structure, DTRO membrane post of every device hoist and mount suitable for hoist and mount DTRO membrane post, utilize above-mentioned structure, a hoisting structure can hoist two DTRO membrane posts, so above-mentioned hoisting structure also can be connected three device that is applicable to hoist and mount DTRO membrane post and so on through coupling assembling, consequently a hoisting structure also can be connected several devices that are applicable to hoist and mount DTRO membrane post through coupling assembling and need choose according to the work needs at that time can. Therefore, the assembled hoisting structure can hoist a plurality of DTRO membrane columns simultaneously, and the hoisting efficiency is greatly improved.

In the technical solution provided by this embodiment, as shown in fig. 5, it can also be seen that the connecting assembly includes: an outer bearing pipe 11 arranged on the hoisting component 4 or the first hoisting piece 401, wherein one end of the outer bearing pipe 11 is provided with an inner bearing piece 12; in this embodiment, the inner socket 12 and the outer socket 11 of the first sling 401 can be connected by welding. The inner socket 12 can enter the adjacent outer socket 11; the bottom of the outer socket 11 is fixed to the side wall of the hoisting component 4 or the first hoisting member 401 and extends along the width direction of the hoisting component 4 or the first hoisting member 401.

Wherein: in the structure of the above technical solution, the connection between the inner socket 12 and the outer socket 11 between two adjacent first hoisting parts 401 is not limited to the above connection manner, and other connection manners may also be adopted, for example, if the socket 12 and the outer socket 11 are in a hollow cylindrical structure, the two can be connected by a thread, and the like. Through foretell structural scheme, a hoisting structure also can be connected several devices that are applicable to hoist and mount DTRO membrane post through coupling assembling to hoist and mount a plurality of DTRO membrane posts, improve hoist and mount efficiency by a wide margin.

In the technical solution provided in this embodiment, as shown in fig. 5, it can be further seen that a third through hole 13 is formed in a side wall of the outer socket 11, in this embodiment, the third through hole may be a threaded hole, and a fourth through hole 14 is formed in a side wall of the inner socket 12, in this embodiment, the fourth through hole may also be a threaded hole. The position of the fourth through hole 14 is just corresponding to the position 13 of a third through hole in the outer bearing pipe 11 inserted with the fourth through hole, a second independent fixing bolt 15 is also arranged outside the third through hole 13, and the outer bearing pipe 11 and the inner bearing piece 12 entering the outer bearing pipe can be fixedly connected through the second independent fixing bolt 15 penetrating through the third through hole 13 and the fourth through hole 14; the inner socket 12 is fixed in the outer socket 11 by rotating the second separate fixing bolt 15.

Through foretell technical scheme structure, consolidated two adjacent be applicable to between the device of hoist and mount DTRO membrane post and be connected, such technical scheme has not only improved the hoist and mount and has removed the work efficiency of hoist and mount DTRO membrane post, has improved a hoisting structure's practicality suitable for hoist and mount DTRO membrane post moreover.

In the technical solution provided in this embodiment, as shown in fig. 6, it can be seen that the top wall of the inner socket 12 is provided with a first fixing nut 16, the bottom wall of the outer socket 11 is provided with a second fixing nut 18, and the second fixing nut 18 is in direct correspondence with the first fixing nut 16 and the third through hole 13.

Wherein: the second independent bolt 15 passes through the third through hole 13, the fourth through hole 14, the first fixing nut 16 and the second fixing nut 18 in this order, and the inner socket 12 is fixed in the outer socket 11 by rotating the second independent bolt 15. Through the technical scheme, the connection between the two adjacent devices suitable for hoisting the DTRO membrane column is reinforced more firmly, the connection between the two adjacent devices suitable for hoisting the DTRO membrane column is reinforced greatly through the design of additionally arranging the first fixing nut 16 and the second fixing nut 18 in the embodiment, and meanwhile, the service life of the hoisting structure is also prolonged.

In the technical solution provided by the present embodiment, as shown in fig. 6, it can be seen that the longitudinal section of the inner bearing 12 is an inverted U-shaped structure. The U-shaped structure is a U-shaped open slot, the bottom wall of the inner bearing part 12 is provided with an open slot 17, and the open slot 17 enters the adjacent outer bearing pipe 11 along the opening direction of the open slot, so that the inner bearing pipe 12 can be conveniently translated and fixed in the outer bearing pipe 11.

When the DTRO membrane column is hoisted, the lock catch 701 and the clamp ring 702 are firstly opened, the first fixing bolt 10 is loosened, then two ends of a membrane shell of the DTRO membrane column are clamped between the two fixing pieces 5, after the clamping work of the fixing pieces 5 is completed, the lock catch 701 and the clamp ring 702 are locked, the first fixing bolt 10 is screwed, the hanging ring 6 is matched and connected with an external crown block hook for hoisting, so that the membrane shell is fixed by the hoisting device of the DTRO membrane column, and the membrane shell is prevented from falling off due to gravity during hoisting; after the hoist and mount work is accomplished, will open the buckle, not hard up first fixed bolt 10 leaves the both ends of DTRO membrane column membrane shell with two mountings 5, and hoist and mount work is accomplished.

The technical scheme that this embodiment provided can realize the hoist and mount work of DTRO membrane post very conveniently fast, has improved the security of membrane shell hoist and mount process greatly, simultaneously because of using above-mentioned device, two mounting 5 joints respectively at the both ends of inside membrane post and membrane shell, has also prevented like this that the hoist and mount in-process from damaging the screw thread of membrane post pull rod, has kept the integrality of DTRO membrane post, has improved operating mass with rated load greatly.

According to the technical scheme provided by the embodiment, each fixing piece 5 is L-shaped as a whole; the first end of the fixing part 5 is fixedly connected with the hoisting component 4, and the second end of the fixing part is provided with a clamping part 20.

As can be seen from fig. 7, each of the fixing members 5 includes a first click plate 501 and a second click plate 502; a first end of the first clamping and connecting plate 501 is fixedly connected with the hoisting component 4, a second end of the first clamping and connecting plate 501 is fixedly connected with the second clamping and connecting plate 502, and the first clamping and connecting plate 501 and the second clamping and connecting plate 502 form an L-shaped fixing piece 5; through the matching of the first clamping plate 501 and the second clamping plate 502 of the fixing piece 5 and the hoisting assembly 4, the first clamping plate 501 and the second clamping plate 502 are respectively used for fixedly clamping the membrane shell of the DTRO membrane column from different directions; meanwhile, the second clamping and connecting plate 502 can also be used for fixedly clamping and connecting the inner membrane column of the DTRO membrane column; thus preventing the membrane shell and the inner membrane column of the DTRO membrane column from falling off.

As can be further understood from fig. 7, the cambered surface of the second clamping plate 502 is in fit with the inner side wall of the membrane shell in contact with the second clamping plate 502 based on the cambered surface of the side of the second clamping plate 502 in contact with the membrane shell of the DTRO membrane column. The radian of the cambered surface of the second clamping plate 502 is consistent with that of the side wall of the membrane shell, so that the cambered surface of the second clamping plate 502 is more attached to the inner side wall of the membrane shell contacted with the cambered surface, and the device for hoisting the DTRO membrane column is improved in stability with the hoisting of the DTRO membrane column.

In order to strengthen the stability and the security of the device of hoist and mount DTRO membrane post to the hoist and mount of DTRO membrane post, second joint board 502 second end is connected with joint spare 20. One end of the clamping piece 20 is a free end, and the free end of the clamping piece 20 is jointed and clamped with the outer side wall of the internal membrane column, so that the internal membrane column can be prevented from being separated from the membrane shell; at the same time, the clip member 20 forms an angle with the fixing member 5 to which it is connected (as can be seen from fig. 7), and thus the clip member 20 is more easily inserted into the membrane housing.

As can be seen from fig. 7, each fixing member 5 is provided with at least one sliding guide structure; each fixing member 5 is composed of a first clamping plate 501 and a second clamping plate 502; the first end of the first clamping plate 501 is fixedly connected with the hoisting component 4, the second end of the first clamping plate 501 is fixedly connected with the first end of the second clamping plate 502, and the first clamping plate 501 and the second clamping plate 502 form an L-shaped fixing part 5. Thus, the first engaging plate 501 is a plate which is attached to the outer side wall of the membrane housing; the second clamping and connecting plate 502 is a plate attached to the inner side wall of the membrane shell; thus, either side surface of the first clamping plate 501 or the second clamping plate 502 contacting with the membrane shell can be provided with the slide guiding structure 21.

Fig. 8 or fig. 9 are both different embodiments of the fixing member 5 provided with the sliding guide structure; as can be seen from fig. 8 or fig. 9, either side surface of the first clamping plate 501 and the second clamping plate 502, which are both in contact with the membrane shell, may be provided with the slide guide structure 21. In this embodiment, any side surface of the first clamping plate 501 and the second clamping plate 502 contacting with the membrane shell is provided with a sliding guide structure 21.

In the technical solution provided in this embodiment, each of the sliding guide structures includes: a guide chute 2101a provided on the fixed member 5; 2101b, the guide chute 2101 a; 2101b is internally provided with a steel ball fixing groove 2102 a; 2102b, the ball fixing groove 2102 a; a steel ball 2103a is arranged in the 2102 b; 2103b, said steel ball 2103 a; 2103b and ball fixing grooves 2102 a; 2102b is a clearance fit, the steel ball 2103 a; 2103b can be fixed on the ball fixing groove 2102 a; 2102b, the chute 2101 a; 2101b is externally connected with a guide chute 2101 a; 2101b is matched with the limiting plate 2104 a; 2104b, the steel ball 2103 a; 2103b is larger in diameter than the limiting plate 2104 a; 2104b and ball fixing groove 2102 a; 2102 b.

As can be seen from fig. 8, a sliding guide structure is disposed on a side surface of the second clamping plate 502 contacting with the membrane shell, and the sliding guide structure includes: a guide chute 2101a arranged on the second clamping plate 502, a steel ball fixing groove 2102a is arranged in the guide chute 2101a, a steel ball 2103a is arranged in the steel ball fixing groove 2102a, the steel ball 2103a and the steel ball fixing groove 2102a are in clearance fit, in the embodiment, the clearance fit means that lubricating oil is placed between the steel ball 2103 and the steel ball fixing groove 2102, so that the steel ball 2103a can roll in the steel ball fixing groove 2102a, a limit plate 2104a matched with the guide chute 2101a is externally connected to the guide chute 2101a, the limit plate 2104a is placed on the steel ball 2103a, and the limit plate 2104a and the guide chute 2101a are matched and connected at two sides of the limit plate 2104a through two third independent fixing bolts 2105a respectively; the retainer plate 2104a retains the balls 2103a in the ball retaining groove 2102a, while the balls 2103a have a diameter greater than the distance between the retainer plate 2104a and the ball retaining groove 210a 2. That is, the steel ball 2103a protrudes from the steel ball fixing groove 2102a by a certain height. The principle of the embodiment of fig. 9 is the same as that of the embodiment of fig. 8, and the description is not repeated herein.

During lifting device hoist and mount DTRO membrane post, through the laminating of membrane shell lateral wall and steel ball 2103a surface contact, when the rotatory DTRO membrane post of operator, the steel ball receives the rotatory frictional force that brings of DTRO membrane post membrane shell, lead to the steel ball also rotation motion, thereby the membrane shell lateral wall that reduces and the sliding friction power of steel ball 2103a like this, it can be at the lifting device internal rotation to realize the membrane post, thereby make DTRO membrane post rotate to suitable position, more make things convenient for the hoist and mount removal work of operator to DTRO membrane post like this, the practicality of DTRO membrane post hoist and mount removal work has been improved greatly.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. The utility model provides a device suitable for hoist and mount DTRO membrane column which characterized in that: the method comprises the following steps: the hoisting assembly (4) is characterized in that fixing pieces (5) are arranged at two ends of the hoisting assembly (4), the fixing pieces (5) are located on the same side of the hoisting assembly (4), and a hoisting ring piece (6) is arranged on one side, far away from the fixing pieces (5), of the hoisting assembly (4).

2. The device of claim 1, wherein the device comprises: the hoisting assembly (4) comprises: the lifting device comprises at least two lifting pieces (401, 402), wherein the two adjacent lifting pieces (401, 402) are connected end to end through connecting pieces, and the fixing piece (5) is arranged at the free end of the lifting piece (401, 402) in the lifting assembly (4).

3. The device for hoisting the DTRO membrane column as claimed in claim 2, wherein: the connector, including: the lock catch (701) is arranged at the first end of the two adjacent hoisting pieces (401, 402), the clamping ring (702) is arranged at the second end of the two adjacent hoisting pieces (701, 402), and the lock catch (701) is matched and connected with the clamping ring (702).

4. The device of claim 3, wherein the device comprises: an inner slot is arranged at the first end of each two adjacent hoisting pieces (401, 402), and a limiting piece (8) capable of entering the inner slot is arranged at the second end of each two adjacent hoisting pieces; a first through hole (403) is formed in the wall of the inner slot, and a second through hole (9) corresponding to the first through hole (403) is formed in the side wall of the limiting piece (8); a first independent fixing bolt (10) capable of penetrating through the second through hole (9) is matched and connected in the first through hole (403).

5. The device of claim 1, wherein the device comprises: each fixing piece (5) is L-shaped as a whole; the first end of the fixing piece (5) is fixedly connected with the hoisting component (4), and the second end of the fixing piece is provided with a clamping piece (20);

each fixing piece (5) is provided with at least one sliding guide structure; each lead smooth structure, include: the steel ball bearing comprises a guide chute (2101a, 2101b) arranged on a fixing piece (5), wherein a steel ball fixing groove (2102a, 2102b) is arranged in the guide chute (2101a, 2101b), a steel ball (2103a, 2103b) is arranged in the steel ball fixing groove (2102a, 2102b), the steel ball (2103a, 2103b) is in clearance fit with the steel ball fixing groove (2102a, 2102b), the steel ball (2103a, 2103b) can roll in the steel ball fixing groove (2102a, 2102b), a limiting plate (2104a, 2104b) matched with the guide chute (2101a, 2101b) is externally connected with the guide chute (2101a, 2101b), and the diameter of the steel ball (2103a, 2103b) is larger than the distance between the limiting plate (2104a, 2104b) and the steel ball fixing groove (2102a, 2102 b).

6. The utility model provides a hoisting structure suitable for hoist and mount DTRO membrane column which characterized in that includes: at least two devices suitable for hoisting a DTRO membrane column according to any of claims 1-4, wherein two adjacent devices are juxtaposed and connected by a connecting assembly.

7. The hoisting structure suitable for hoisting the DTRO membrane column as claimed in claim 6, wherein: the connection assembly, comprising: an outer bearing pipe (11) arranged on the hoisting component (4) or the hoisting piece (401), wherein an inner bearing piece (12) is arranged at one end of the outer bearing pipe (11); the inner socket (12) can enter the adjacent outer socket (11); the bottom of the outer bearing pipe (11) is fixedly connected to the side wall of the hoisting component (4) or the hoisting piece (401) and extends along the width direction of the hoisting component (4) or the hoisting piece (401).

8. The hoisting structure suitable for hoisting the DTRO membrane column as claimed in claim 7, wherein: the side wall of the outer bearing pipe (11) is provided with a third through hole (13), the side wall of the inner bearing piece (12) is provided with a fourth through hole (14), and the outer bearing pipe (11) and the inner bearing piece (12) entering the outer bearing pipe can be fixedly connected through a second independent fixing bolt (15) penetrating through the third through hole (13) and the fourth through hole (14).

9. The hoisting structure suitable for hoisting the DTRO membrane column as claimed in claim 8, wherein: the top wall of the inner bearing piece (12) is provided with a first fixing nut (16), the bottom wall of the outer bearing pipe (11) is provided with a second fixing nut (18), and the second fixing nut (18) is in positive correspondence with the first fixing nut (16) and the third through hole (13).

10. The hoisting structure suitable for hoisting the DTRO membrane column as claimed in claim 8, wherein: the longitudinal section of the inner bearing piece (12) is of an inverted U-shaped structure.