CN212354302U - Link chain type large hatch cover - Google Patents

Link chain type large hatch cover Download PDF

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Publication number
CN212354302U
CN212354302U CN202021296670.XU CN202021296670U CN212354302U CN 212354302 U CN212354302 U CN 212354302U CN 202021296670 U CN202021296670 U CN 202021296670U CN 212354302 U CN212354302 U CN 212354302U
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China
Prior art keywords
hatch
chain
hatch cover
fixed
frame
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Active
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CN202021296670.XU
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Chinese (zh)
Inventor
王志斌
高用亮
胡建祥
高健
史孝华
徐萍
方良福
何志伟
董效鹏
曹阳
纪永清
朱伟
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Jiangyin Fuda Ship Fittings Manufacturing Co ltd
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Jiangyin Fuda Ship Fittings Manufacturing Co ltd
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Priority to CN202021296670.XU priority Critical patent/CN212354302U/en
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Abstract

The utility model discloses a big cabin cover of cover chain formula relates to boats and ships technical field. The utility model discloses a support body, hatch board subassembly, hatch that a set of symmetry set up enclose frame, drive assembly and a set of locking Assembly, and the support body top surface is fixed with a plurality of slide rails side by side, and the hatch board encloses the frame and fixes at a hatch board subassembly tip, and the hatch board subassembly includes a plurality of range upon range of settings and each other overlaps the hatch board of establishing, and a plurality of hatch board both sides inboard all rotates and is connected with a plurality of wheel bodies, and a plurality of hatch boards are respectively through a plurality of wheel bodies and a plurality of slide rails and support body sliding fit. The utility model discloses a set up the range upon range of the novel hatch cover of cup jointing of several hatch cover and make, when the hatch cover was opened and was closed, the hatch cover was expanded or was piled up along with the translation each other, set up the stable translation that novel drive assembly can realize the hatch cover simultaneously, can lock and unblock the hatch cover through setting up locking Assembly simultaneously, had solved the longer and great problem of occupation space of current hatch cover operating duration.

Description

Link chain type large hatch cover
Technical Field
The utility model belongs to the technical field of boats and ships, especially, relate to a cover chain formula large cabin cover.
Background
The large hatch cover is one of important equipment in ship design, provides an openable storage space for a cabin part of the ship, and the cabin part almost accommodates important equipment of the whole ship, which can be called as a heart of the ship.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a big hatch cover of cover chain formula is overlapped and is cup jointed through setting up the several hatch cover and make neotype hatch cover, when the hatch cover was opened and was closed, the hatch cover was along with the translation expandes or piles up each other, sets up neotype drive assembly simultaneously and can realize the stable translation of hatch cover, can lock and unblock the hatch cover through setting up locking Assembly simultaneously, has solved the longer and great problem of occupation space of current hatch cover operating duration.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a chain-sleeving type large hatch cover, which comprises a group of symmetrically arranged frame bodies, a hatch cover assembly, a hatch enclosing frame, a driving assembly and a group of locking assemblies;
a plurality of slide rails are fixed on the top surface of the frame body side by side;
the hatch cover assembly comprises a plurality of hatch covers which are arranged in a stacked mode and are sleeved with one another, a plurality of wheel bodies are rotatably connected to the inner sides of two side walls of the plurality of hatch covers, the plurality of hatch covers are respectively matched with the frame body in a sliding mode through the wheel bodies and the sliding rails, one end portion of one hatch cover is fixed to the hatch coaming frame, and the rear side of the hatch cover, far away from the hatch coaming frame, is fixedly connected with the frame body;
a first blocking edge is fixed on the inner side of one end of the hatch cover, a second blocking edge is fixed on the peripheral side surface of the other end of the hatch cover, and sealing gaskets are arranged on the inner side of the first blocking edge and the outer side of the second blocking edge;
the driving assembly comprises a speed reducer, a first chain guide wheel and a group of second chain guide wheels;
the speed reducer and the first chain leading wheel are respectively fixed at one end of the two frame bodies, the two second chain leading wheels are respectively fixed at the other end of the two frame bodies, a first chain is in transmission connection between the speed reducer and the first chain leading wheel as well as between the two second chain leading wheels, and the upper part of the first chain is fixedly connected with the hatch cover close to the hatch enclosure frame;
the locking assemblies comprise brackets, the brackets on the two locking assemblies are respectively fixed on the inner sides of the two bracket bodies, the brackets are rotatably connected with an oil cylinder through hinged supports, and the output end of the oil cylinder is driven by a connecting rod mechanism to form a locking hook;
the lower part of the first chain is fixed with a fixing screw through a connecting block, and the fixing screw is opposite to and matched with the locking hook in position.
Further, a gap bridge wheel is fixed on the inner side of the frame body, a gap bridge shaft is arranged between the axle centers of the gap bridge wheels on the frame body, second chains are respectively transmitted between the speed reducer and the first chain leading wheel and between the two gap bridge wheels, a plurality of chain supporting wheels are respectively arranged on the first chain and the second chains, and the chain supporting wheels are fixed on the inner side of the frame body.
Further, link mechanism includes connecting rod and push rod, the inboard and relative position of support body has the push rod frame, connecting rod one end and push rod one end are all rotated with the hydro-cylinder output through the round pin axle and are connected, the push rod other end rotates with the push rod frame to be connected, the connecting rod other end rotates with locking hook one end through the pivot to be connected.
Furthermore, a first sliding groove and a second sliding groove are formed in the push rod frame, a sliding rod penetrates through the locking hook, and the rotating shaft and the sliding rod are located inside the first sliding groove and inside the second sliding groove respectively and are in sliding fit with the first sliding groove and the second sliding groove.
Furthermore, the locking hook is provided with a bending part at one end far away from the rotating shaft, one end of the bending part is provided with a straight part, the inner side of the straight part is provided with a hooking part, and the hooking part is matched with the fixing screw.
Further, the support body includes the shape of falling L shaped plate, the shape of falling L shaped plate lateral surface is fixed with a plurality of reinforcement muscle side by side.
Furthermore, the reinforcing ribs are provided with openings at one sides close to the inverted L-shaped plates, and reinforcing edges are fixed at positions, located in the openings, on the plurality of reinforcing ribs, outside the inverted L-shaped plates.
Furthermore, the bottom surface is fixed with spacing in the slide rail, the wheel body is I-shaped wheel body structure, the wheel body is located inside the slide rail and rolls along spacing.
Furthermore, the speed reducer is a double-input-shaft speed reducer, one input shaft of the speed reducer is fixed with a hydraulic motor, and the other input end of the speed reducer is fixed with a manual turntable.
Further, still include hydraulic power unit, hydraulic power unit includes hydraulic pump and hand pump, hydraulic motor's oil inlet and oil-out, the oil inlet and the oil-out of hydro-cylinder all are connected with hydraulic pump and hand pump, be equipped with the hand valve on the oil circuit between hydraulic motor and hydro-cylinder and the hand pump, be equipped with the solenoid valve on the oil circuit between hydraulic motor and hydro-cylinder and the hydraulic pump.
The utility model discloses following beneficial effect has:
1. the utility model discloses a set up the range upon range of the bell and spigot joint of several hatch board and make neotype hatch cover, when the hatch cover was opened and was closed, the hatch cover expanded or piled up along with the translation each other, compare in the hatch cover of the whole form of prior art, the utility model discloses a hatch cover subassembly is easy and simple to handle and occupation of land space is less, and the time of using is opened and closed to the hatch cover simultaneously is shorter relatively, and efficiency is higher.
2. The utility model discloses a setting up the removal of neotype drive assembly drive hatch board, the neotype drive assembly of design can guarantee that the stability of hatch board operation is gentle, simultaneously through setting up locking mechanism, can guarantee that a hatch board in the top compresses tightly the bow springboard, guarantees water proofness and fixed ability between hatch board and the bow springboard to avoid the easy condition that takes off and fixed ability is not enough of hatch board.
3. The utility model discloses a set up drive assembly's input into hydraulic motor and manual carousel two kinds, set up hydraulic pump and hand pump simultaneously on the pump station, can be electronic and manual for the hydro-cylinder fuel feeding that hydraulic motor and locking were used, under the state that the device loses the electricity, can accomplish the manual emergency operation of opening, closing, unblock and locking to the hatch board.
4. The utility model discloses a set up first fender respectively at hatch board both ends and keep off the edge with the second, and keep off along setting up seal gasket with the second at first fender edge, after hatch board subassembly expandes, first fender on two adjacent hatch boards is followed and is kept off along contacting with the second, can carry out machinery spacing, avoids the obscission problem between the hatch board, and the seal gasket process that first fender was followed and is kept off between the edge after expandeing completely simultaneously can carry out the efficient to the hatch board subassembly and seal.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a chain-type hatch cover of the present invention;
FIG. 2 is a schematic structural view of a frame body;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is an enlarged view of a portion of FIG. 2 at B;
FIG. 5 is a schematic structural view of the hatch assembly;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a schematic structural diagram of a driving assembly;
FIG. 8 is a side elevational view of the locking assembly;
FIG. 9 is a top view of the locking assembly;
in the drawings, the components represented by the respective reference numerals are listed below:
1-frame body, 2-hatch cover assembly, 3-hatch coaming frame, 4-driving assembly, 5-locking assembly, 6-connecting block, 101-sliding rail, 102-inverted L-shaped plate, 103-reinforcing rib, 104-reinforcing edge, 105-limiting strip, 201-hatch cover, 202-wheel body, 203-first retaining edge, 204-second retaining edge, 401-speed reducer, 402-first chain guide wheel, 403-second chain guide wheel, 404-first chain, 405-chain riding wheel, 406-bridge wheel, 407-bridge shaft, 408-fixing screw, 409-second chain, 501-bracket, 502-oil cylinder, 503-locking hook, 504-connecting rod, 505-push rod, push rod 506-frame, 507-rotating shaft, 508-first sliding groove, 509-second runner, 510-sliding bar, 511-bending part, 512-straight part, 513-hook part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-9, the present invention relates to a chain-type large hatch cover, which comprises a set of symmetrically arranged frame bodies 1, hatch cover assemblies 2, hatch coaming frames 3, driving assemblies 4 and a set of locking assemblies 5;
a plurality of sliding rails 101 are fixed on the top surface of the frame body 1 side by side, the frame body 1 is arranged at the positions of two side edges of the hatch, and the hatch cover assembly 2 is ensured to be positioned right above the hatch;
the hatch cover assembly 2 comprises a plurality of hatch covers 201 which are arranged in a stacked mode and sleeved with one another, a plurality of wheel bodies 202 are rotatably connected to the inner sides of two side walls of the plurality of hatch covers 201, the plurality of hatch covers 201 are respectively in sliding fit with the frame body 1 through the plurality of wheel bodies 202 and the plurality of sliding rails 101, one end portion of one hatch cover 201 is fixed to the hatch coaming frame 3, the rear side, far away from the hatch coaming frame 3, of the hatch cover 201 is fixedly connected with the frame body 1, the hatch coaming frame 3 is in contact with a sealing piece on the bow springboard after the hatch covers 201 are unfolded and is pressed tightly through the driving of the driving assembly 4, and the watertightness between the hatch coaming frame 3 and;
a first blocking edge 203 is fixed on the inner side of one end of the hatch cover 201, a second blocking edge 204 is fixed on the peripheral side surface of the other end of the hatch cover 201, and sealing gaskets are arranged on the inner side of the first blocking edge 203 and the outer side of the second blocking edge 204;
the driving assembly 4 comprises a speed reducer 401, a first chain wheel 402 and a group of second chain wheels 403;
the speed reducer 401 and the first chain wheel 402 are respectively fixed at one end of the two frame bodies 1, the two second chain wheels 403 are respectively fixed at the other end of the two frame bodies 1, a first chain 404 is in transmission connection between the speed reducer 401 and the first chain wheel 402 as well as between the two second chain wheels 403, and the upper part of the first chain 404 is fixedly connected with the hatch cover 201 close to the hatch enclosure frame 3;
the locking assemblies 5 comprise brackets 501, the brackets 501 on the two locking assemblies 5 are respectively fixed on the inner sides of the two frame bodies 1, the brackets 501 are rotatably connected with an oil cylinder 502 through hinged supports, and the output end of the oil cylinder 502 is driven by a connecting rod mechanism to form a locking hook 503;
the lower part of the first chain 404 is fixed with a fixing screw 408 through a connecting block 6, and the fixing screw 408 is opposite to and matched with the locking hook 503.
As shown in fig. 7, the inner side of the frame body 1 is fixed with a gap bridge pulley 406, a gap bridge shaft 407 is arranged between the axle centers of the gap bridge pulleys 406 on the two frame bodies 1, a second chain 409 is respectively transmitted between the speed reducer 401 and the first sprocket 402 and between the two gap bridge pulleys 406, a plurality of chain supporting pulleys 405 are respectively arranged on the first chain 404 and the second chain 409, and the plurality of chain supporting pulleys 405 are fixed on the inner side of the frame body 1.
As shown in fig. 8-9, the link 504 mechanism includes a link 504 and a push rod 505, a push rod bracket 506 is fixed at a position inside the frame body 1 and opposite to the support 501, one end of the link 504 and one end of the push rod 505 are rotatably connected to an output end of the oil cylinder 502 through a pin, the other end of the push rod 505 is rotatably connected to the push rod bracket 506, and the other end of the link 504 is rotatably connected to one end of the locking hook 503 through a rotating shaft 507.
As shown in fig. 8-9, the push rod frame 506 is provided with a first sliding groove 508 and a second sliding groove 509, the locking hook 503 is provided with a sliding rod 510, and the rotating shaft 507 and the sliding rod 510 are respectively located inside the first sliding groove 508 and inside the second sliding groove 509 and are in sliding fit with the first sliding groove 508 and the second sliding groove 509.
As shown in fig. 8-9, a bending portion 511 is disposed at an end of the locking hook 503 away from the rotating shaft 507, a straight portion 512 is disposed at an end of the bending portion 511, a hooking portion 513 is disposed at an inner side of the straight portion 512, and the hooking portion 513 is matched with the fixing screw 408.
As shown in fig. 1-2 and 4, the frame body 1 includes an inverted L-shaped plate 102, and a plurality of reinforcing ribs 103 are fixed on the outer side of the inverted L-shaped plate 102 side by side.
As shown in fig. 1-2 and 4, an opening is formed on one side of the reinforcing rib 103 close to the inverted L-shaped plate 102, and a reinforcing edge 104 is fixed on the outer side of the inverted L-shaped plate 102 and at a position inside the opening on the plurality of reinforcing ribs 103.
As shown in fig. 3, a limiting strip 105 is fixed on the inner bottom surface of the slide rail 101, the wheel body 202 is an i-shaped wheel body 202, and the wheel body 202 is located inside the slide rail 101 and rolls along the limiting strip 105.
The speed reducer 401 is a double-input-shaft speed reducer, a hydraulic motor is fixed to one input shaft of the speed reducer 401, a manual turntable is fixed to the other input end of the speed reducer 401, and the manual turntable can be arranged to drive the speed reducer 401 to operate, so that the driving assembly 4 can operate.
The hydraulic pump station comprises a hydraulic pump and a hand pump, an oil inlet and an oil outlet of a hydraulic motor, the oil inlet and the oil outlet of the oil cylinder 502 are connected with the hydraulic pump and the hand pump, a hand valve is arranged on an oil path between the hydraulic motor and the oil cylinder 502 and the hand pump, an electromagnetic valve is arranged on the oil path between the hydraulic motor and the oil cylinder 502 and the hydraulic pump, the hand pump can be operated in a power-off state by shaking, the locking oil cylinder and the hydraulic motor are driven to operate, and therefore the emergency manual opening, closing and locking and unlocking of the hatch cover assembly 2 are completed.
The working principle of the embodiment is as follows: when the hatch cover needs to be opened, the oil cylinder 502 is controlled to contract through the pump station, the oil cylinder 502 can drive the rotating shaft 507 and the sliding rod 510 to slide along the first sliding groove 508 and the second sliding groove 509 along contraction and connection of the connecting rod mechanism, so that the hooking part 513 of the locking hook 503 can be driven to be separated from the fixing screw 408 on the connecting block 6, unlocking of the hatch cover 201 can be achieved, after unlocking is completed, the hydraulic motor is controlled to operate through the pump station, the hydraulic motor and the speed reducer 401 are matched with each other to drive the first chain 404 on the driving assembly 4 to transmit, so that the hatch cover 201 can be driven to contract and be stacked on one side of the frame body 1, and opening of the hatch cover.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (10)

1. The utility model provides a big hatch cover of cover chain formula which characterized in that: comprises a group of symmetrically arranged frame bodies (1), a hatch cover assembly (2), a hatch enclosing frame (3), a driving assembly (4) and a group of locking assemblies (5);
a plurality of sliding rails (101) are fixed on the top surface of the frame body (1) side by side;
the hatch cover assembly (2) comprises a plurality of hatch covers (201) which are arranged in a stacked mode and sleeved with one another, a plurality of wheel bodies (202) are rotatably connected to the inner sides of two side walls of the plurality of hatch covers (201), the plurality of hatch covers (201) are in sliding fit with the frame body (1) through the plurality of wheel bodies (202) and a plurality of sliding rails (101) respectively, one end portion of one hatch cover (201) is fixed to the hatch enclosing frame (3), and the rear side, far away from the hatch cover (201) of the hatch enclosing frame (3), of the hatch cover (201) is fixedly connected with the frame body (1);
a first blocking edge (203) is fixed on the inner side of one end of the hatch cover (201), a second blocking edge (204) is fixed on the peripheral side surface of the other end of the hatch cover (201), and sealing gaskets are arranged on the inner side of the first blocking edge (203) and the outer side of the second blocking edge (204);
the driving assembly (4) comprises a speed reducer (401), a first chain guide wheel (402) and a group of second chain guide wheels (403);
the speed reducer (401) and the first chain leading wheel (402) are respectively fixed at one end of each of the two frame bodies (1), the two second chain leading wheels (403) are respectively fixed at the other end of each of the two frame bodies (1), a first chain (404) is in transmission connection between the speed reducer (401) and the first chain leading wheels (402) and between the two second chain leading wheels (403), and the upper part of the first chain (404) is fixedly connected with the hatch cover (201) close to the hatch enclosure frame (3);
the locking assemblies (5) comprise supports (501), the supports (501) on the two locking assemblies (5) are respectively fixed on the inner sides of the two frame bodies (1), the supports (501) are rotatably connected with an oil cylinder (502) through hinged supports, and the output end of the oil cylinder (502) is driven by a connecting rod mechanism to form a locking hook (503);
the lower part of the first chain (404) is fixed with a fixing screw (408) through a connecting block (6), and the fixing screw (408) is opposite to and matched with the locking hook (503).
2. The chain-sleeving type large hatch cover according to claim 1 is characterized in that a bridging wheel (406) is fixed on the inner side of the frame body (1), a bridging shaft (407) is arranged between the axle centers of the bridging wheels (406) on the two frame bodies (1), a second chain (409) is respectively driven between the speed reducer (401), the first chain guide wheel (402) and the two bridging wheels (406), a plurality of chain supporting wheels (405) are respectively arranged on the first chain (404) and the second chain (409), and a plurality of chain supporting wheels (405) are fixed on the inner side of the frame body (1).
3. The cover chain type hatch cover according to claim 1, characterized in that the connecting rod (504) mechanism comprises a connecting rod (504) and a push rod (505), a push rod frame (506) is fixed on the inner side of the frame body (1) and opposite to the support (501), one end of the connecting rod (504) and one end of the push rod (505) are rotatably connected with the output end of the oil cylinder (502) through a pin shaft, the other end of the push rod (505) is rotatably connected with the push rod frame (506), and the other end of the connecting rod (504) is rotatably connected with one end of the locking hook (503) through a rotating shaft (507).
4. The chain-sleeving type hatch cover according to claim 3, characterized in that a first sliding groove (508) and a second sliding groove (509) are formed in the push rod frame (506), a sliding rod (510) penetrates through the locking hook (503), and the rotating shaft (507) and the sliding rod (510) are respectively located inside the first sliding groove (508) and inside the second sliding groove (509) and are in sliding fit with the first sliding groove (508) and the second sliding groove (509).
5. The cover chain type hatch cover according to claim 3, characterized in that one end of the locking hook (503) far away from the rotating shaft (507) is provided with a bending part (511), one end of the bending part (511) is provided with a straight part (512), the inner side of the straight part (512) is provided with a hooking part (513), and the hooking part (513) is matched with the fixing screw (408).
6. The slipchain type hatch cover according to claim 1 is characterized in that the frame body (1) comprises an inverted L-shaped plate (102), and a plurality of reinforcing ribs (103) are fixed on the outer side of the inverted L-shaped plate (102) side by side.
7. A slipchain type hatch cover according to claim 6, characterized in that the reinforcing ribs (103) are provided with openings near the side of the inverted L-shaped plate (102), and reinforcing edges (104) are fixed outside the inverted L-shaped plate (102) and at positions inside the openings on the plurality of reinforcing ribs (103).
8. The cover chain type large hatch cover as claimed in claim 1, characterized in that a limiting strip (105) is fixed on the inner bottom surface of the slide rail (101), the wheel body (202) is an i-shaped wheel body (202), and the wheel body (202) is located inside the slide rail (101) and rolls along the limiting strip (105).
9. The cover chain type large hatch cover according to claim 1, characterized in that the speed reducer (401) is a double-input-shaft speed reducer, a hydraulic motor is fixed on one input shaft of the speed reducer (401), and a manual rotating disc is fixed on the other input end of the speed reducer (401).
10. The set chain type large hatch cover according to claim 9, characterized by further comprising a hydraulic pump station, wherein the hydraulic pump station comprises a hydraulic pump and a hand pump, an oil inlet and an oil outlet of a hydraulic motor and an oil inlet and an oil outlet of the oil cylinder (502) are both connected with the hydraulic pump and the hand pump, a hand valve is arranged on an oil path between the hydraulic motor and the oil cylinder (502) and the hand pump, and an electromagnetic valve is arranged on an oil path between the hydraulic motor and the oil cylinder (502) and the hydraulic pump.
CN202021296670.XU 2020-07-06 2020-07-06 Link chain type large hatch cover Active CN212354302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021296670.XU CN212354302U (en) 2020-07-06 2020-07-06 Link chain type large hatch cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021296670.XU CN212354302U (en) 2020-07-06 2020-07-06 Link chain type large hatch cover

Publications (1)

Publication Number Publication Date
CN212354302U true CN212354302U (en) 2021-01-15

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ID=74151868

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021296670.XU Active CN212354302U (en) 2020-07-06 2020-07-06 Link chain type large hatch cover

Country Status (1)

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CN (1) CN212354302U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112701637A (en) * 2021-01-21 2021-04-23 浙江桥母电气有限公司 Safety cable bridge rack

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112701637A (en) * 2021-01-21 2021-04-23 浙江桥母电气有限公司 Safety cable bridge rack
CN112701637B (en) * 2021-01-21 2022-07-19 浙江桥母电气有限公司 Safety cable bridge rack

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