CN111731697A - Intelligent agricultural mechanical hand hole device - Google Patents
Intelligent agricultural mechanical hand hole device Download PDFInfo
- Publication number
- CN111731697A CN111731697A CN202010552128.4A CN202010552128A CN111731697A CN 111731697 A CN111731697 A CN 111731697A CN 202010552128 A CN202010552128 A CN 202010552128A CN 111731697 A CN111731697 A CN 111731697A
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- rod
- sleeve
- plate
- bevel gear
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention provides an intelligent agricultural mechanical hand hole device, and belongs to the technical field of hand hole devices. This intelligence agricultural machine hand hole device includes sleeve, apron subassembly and locking Assembly, the apron subassembly includes fixed plate, bull stick, dead lever and slider, the fixed plate set up in the sleeve, the inner chamber has been seted up to the fixed plate, bull stick one end runs through to the inner chamber inside, the first bevel gear of bull stick one end fixedly connected with, first bevel gear set up in inside the inner chamber, locking Assembly includes first limiting plate, kelly, spring and fixture block, first limiting plate fixed connection in the bull stick surface, the kelly run through set up in first limiting plate, through this kind of structure, the shaking force at mechanical work hardly shakes the fixed plate open, through the cooperation of bull stick and slider for the dismantlement installation of fixed plate in the sleeve is convenient, has promoted the result of use.
Description
Technical Field
The invention relates to the field of hand hole devices, in particular to an intelligent agricultural mechanical hand hole device.
Background
Mechanical equipment is various in types, when the mechanical equipment runs, some parts of the mechanical equipment even can perform mechanical movement in different forms, the mechanical equipment comprises a driving device, a speed changing device, a transmission device, a working device, a braking device, a protection device, a lubricating system, a cooling system and the like, and a hand hole is a reduced manhole which is arranged for installing, disassembling, cleaning and overhauling an internal mechanism of the equipment.
Traditional hand hole device mechanism, apron installation dismouting inconvenient in the hand hole, the security performance is relatively poor, and the vibrations power in the mechanical work shakes easily and opens the apron, and the result of use is poor.
Disclosure of Invention
In order to make up for the defects, the invention provides an intelligent agricultural mechanical hand hole device, aiming at solving the problems that the transmission hand hole device is inconvenient to install and detach, the cover plate is easy to shake by vibration force during the mechanical work, and the using effect is poor.
The invention is realized by the following steps:
the invention provides an intelligent agricultural mechanical hand hole device which comprises a sleeve, a cover plate assembly and a locking assembly.
The cover plate assembly comprises a fixing plate, a rotating rod, a fixing rod and a sliding block, the fixing plate is arranged in the sleeve, an inner cavity is formed in the fixing plate, one end of the rotating rod penetrates into the inner cavity, a first bevel gear is fixedly connected to one end of the rotating rod, the first bevel gear is arranged in the inner cavity, a channel is formed in the fixing plate, four channels are correspondingly arranged in the channel, the fixing rod is arranged in the channel, a second bevel gear is fixedly connected to one end of the fixing rod, the first bevel gear is meshed with the second bevel gear, a first groove is formed in the edge of the fixing plate, the first groove is communicated with the channel, the channel is communicated with the inner cavity, and the sliding block is in threaded connection with one.
The locking assembly comprises a first limiting plate, a clamping rod, a spring and a clamping block, the first limiting plate is fixedly connected to the surface of the rotating rod, the clamping rod penetrates through the first limiting plate, the spring is sleeved on the surface of the clamping rod, one end of the spring is fixedly connected to the bottom of the first limiting plate, the other end of the spring is fixedly connected to the clamping rod, the clamping block is provided with a plurality of pieces, the clamping block is arranged on one side of the fixing plate, and the clamping block corresponds to the clamping rod.
In an embodiment of the invention, the sleeve is provided with a second groove, and the second groove is arranged corresponding to the first groove, so that the sliding block can be conveniently clamped in the sleeve, and the firmness is improved.
In one embodiment of the invention, the sliding block is provided with a threaded hole, the other end of the fixing rod is provided with a threaded strip, and the fixing rod is in threaded connection with the fixing rod through the threaded hole and the threaded strip, so that the sliding block is conveniently pushed into the second groove from the first groove.
In an embodiment of the present invention, the rotating rod is fixedly connected to a rotating rod, so that the rotating rod can be rotated conveniently.
In an embodiment of the invention, the first limiting plate is provided with a limiting groove, the clamping rod is fixedly connected with a second limiting plate, and the second limiting plate is matched with the limiting groove, so that the clamping rod is conveniently pulled up to be clamped on the surface of the first limiting plate, and the rotating rod is conveniently and smoothly rotated.
In one embodiment of the invention, the clamping rod is fixedly sleeved with the limiting block, and one end of the spring is fixedly connected to one side of the limiting block, so that the spring can push the clamping rod to be clamped on one side of the clamping block.
In an embodiment of the invention, the portable medical fixing device further comprises a lifting assembly, the lifting assembly comprises a sleeve, a sleeve rod and a handle, the sleeve is arranged in the fixing plate in a penetrating mode, the sleeve rod is arranged in the sleeve in a sliding mode, one end of the sleeve rod extends out of the sleeve, and the handle is fixedly connected to one end of the sleeve rod, so that the fixing plate can be conveniently taken out of and placed in the sleeve.
In one embodiment of the invention, the other end of the loop bar is fixedly connected with a limiting block, the limiting block is arranged by being attached to the inner wall of the sleeve, and the sleeve can be pulled to move through the limiting block so as to drive the fixing plate to move.
In one embodiment of the invention, the bottom of the fixing plate is provided with a rubber plug, which effectively seals the fixing plate and the sleeve.
In one embodiment of the invention, the bottom of the sleeve is fixedly connected with a fixing block, and the fixing block is attached to the bottom of the rubber plug, so that the rubber plug is prevented from being easily clamped in the sleeve when the fixing plate is taken out.
The invention has the beneficial effects that: according to the intelligent agricultural mechanical hand hole device obtained through the design, when the intelligent agricultural mechanical hand hole device is used, the sleeve is arranged at a proper position, the fixing plate is arranged in the sleeve, the clamping rod is pulled out, the rotating rod is rotated, the rotating rod drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear to rotate, the second bevel gear drives the fixing rod to rotate, the sliding block slides out of the first groove along with the rotation of the fixing rod, acts on the inner wall of the sleeve, and then the clamping rod is clamped between the clamping blocks, so that the rotation is prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of a smart agricultural robot hole site configuration provided by an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional structural view of an intelligent agricultural robot hole device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a slider according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a top view of an intelligent agricultural robot hole device according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a locking assembly provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram of a pull assembly according to an embodiment of the present invention.
In the figure: a 100-sleeve; a 110-second groove; a 200-a cover plate component; a 210-fixing plate; a 211-lumen; a 212-channel; a213 — first groove; a 220-rotating rod; a 221-first bevel gear; a 222-rotating rod; a 240-fixing rod; a 241-second bevel gear; a 242-thread strip; a 250-sliding block; a 251-threaded hole; a 260-rubber stopper; a 300-a locking assembly; a 310-a first limit plate; a 311-limit groove; a 320-clamping rod; a 321-a second limiting plate; a 322-limit bad; a 330-spring; a 340-fixture block; a 400-a pulling assembly; a 410-cannula; a 411-fixed block; a 420-loop bar; a 421-a limiting block; a 430-handle.
Detailed Description
Example 1
Referring to fig. 1-6, the present invention provides a technical solution: an intelligent agricultural mechanical hand hole device comprises a sleeve a100, a cover plate component a200 and a locking component a 300.
The cover plate assembly a200 is installed in the sleeve a100, the locking assembly a300 is installed at one side of the cover plate assembly a200, the cover plate assembly a200 is used for covering the sleeve a100 tightly, and the locking assembly a300 is used for preventing the cover plate assembly a200 from loosening.
Referring to fig. 1, 2, 3 and 4, the cover plate assembly a200 includes a fixing plate a210, a rotating rod a220, a fixing rod a240 and a sliding block a250, the fixing plate a210 is disposed in the sleeve a100, specifically, the sleeve a100 is formed with a second groove a110, specifically, a rubber stopper a260 is disposed at the bottom of the fixing plate a210 to effectively seal the fixing plate a210 and the sleeve a100, the second groove a110 is disposed corresponding to the first groove a213 to facilitate the sliding block to be clamped into the sleeve a100 to increase the firmness, the fixing plate a210 is formed with an inner cavity a211, one end of the rotating rod a220 penetrates into the inner cavity a211, one end of the rotating rod a220 is fixedly connected with a first bevel gear a221, one end of the rotating rod a220 is bolted or welded with the first bevel gear a221, the first bevel gear a221 is disposed inside the inner cavity a211, the fixing plate a210 is formed with a channel a212, four channels a212 are correspondingly disposed in the fixing rod a240, specifically, the rotating rod a220, the rotating rod a220 is convenient to rotate, one end of the fixing rod a240 is fixedly connected with a second bevel gear a241, one end of the fixing rod a240 is connected with the second bevel gear a241 through a bolt or welded, the first bevel gear a221 is meshed with the second bevel gear a241, the edge of the fixing plate a210 is provided with a first groove a213, the first groove a213 is communicated with the channel a212, the channel a212 is communicated with the inner cavity a211, the sliding block a250 is connected with one end of the fixing rod a240 through a thread, specifically, the sliding block a250 is provided with a thread hole a251, the other end of the fixing rod a240 is provided with a thread strip a242, the fixing rod a240 is connected with the fixing rod a240 through the thread hole a251 and the thread strip a242 in a threaded manner.
Referring to fig. 1, 2, 4 and 5, the locking assembly a300 includes a first position-limiting plate a310, a rod a320, a spring a330 and a block a340, the first position-limiting plate a310 is fixedly connected to the surface of the rod a220, the first position-limiting plate a310 is bolted or welded to the rod a220, the rod a320 is disposed through the first position-limiting plate a310, the first position-limiting plate a310 is provided with a position-limiting groove a311, the rod a320 is fixedly connected to a second position-limiting plate a321, the second position-limiting plate a321 is matched with the position-limiting groove a311, so as to pull up the rod a320 to be clamped to the surface of the first position-limiting plate a310, so as to facilitate the rod a220 to smoothly rotate, the spring a330 is sleeved on the surface of the rod a320, one end of the spring a330 is fixedly connected to the bottom of the first position-limiting plate a310, one end of the spring a330 is bolted or welded to the first position-limiting plate a310, the other end of the spring a330 is fixedly connected to the rod a, the spring a330 can push the clamping rod a320 to be clamped at one side of the clamping block a340, the clamping blocks a340 are provided with a plurality of clamping blocks, the clamping block a340 is arranged at one side of the fixing plate a210, the clamping block a340 is welded at the fixing plate a210, and the clamping block a340 is arranged corresponding to the clamping rod a 320.
Example 2
Referring to fig. 1-6, the present invention provides a technical solution: an intelligent agricultural mechanical hand hole device comprises a sleeve a100, a cover plate component a200 and a locking component a 300.
The cover plate assembly a200 is installed in the sleeve a100, the locking assembly a300 is installed at one side of the cover plate assembly a200, the cover plate assembly a200 is used for covering the sleeve a100 tightly, and the locking assembly a300 is used for preventing the cover plate assembly a200 from loosening.
Referring to fig. 1, 2, 3 and 4, the cover plate assembly a200 includes a fixing plate a210, a rotating rod a220, a fixing rod a240 and a sliding block a250, the fixing plate a210 is disposed in the sleeve a100, specifically, the sleeve a100 is formed with a second groove a110, specifically, a rubber stopper a260 is disposed at the bottom of the fixing plate a210 to effectively seal the fixing plate a210 and the sleeve a100, the second groove a110 is disposed corresponding to the first groove a213 to facilitate the sliding block to be clamped into the sleeve a100 to increase the firmness, the fixing plate a210 is formed with an inner cavity a211, one end of the rotating rod a220 penetrates into the inner cavity a211, one end of the rotating rod a220 is fixedly connected with a first bevel gear a221, one end of the rotating rod a220 is bolted or welded with the first bevel gear a221, the first bevel gear a221 is disposed inside the inner cavity a211, the fixing plate a210 is formed with a channel a212, four channels a212 are correspondingly disposed in the fixing rod a240, specifically, the rotating rod a220, the rotating rod a220 is convenient to rotate, one end of the fixing rod a240 is fixedly connected with a second bevel gear a241, one end of the fixing rod a240 is connected with the second bevel gear a241 through a bolt or welded, the first bevel gear a221 is meshed with the second bevel gear a241, the edge of the fixing plate a210 is provided with a first groove a213, the first groove a213 is communicated with the channel a212, the channel a212 is communicated with the inner cavity a211, the sliding block a250 is connected with one end of the fixing rod a240 through a thread, specifically, the sliding block a250 is provided with a thread hole a251, the other end of the fixing rod a240 is provided with a thread strip a242, the fixing rod a240 is connected with the fixing rod a240 through the thread hole a251 and the thread strip a242 in a threaded manner.
Referring to fig. 1, 2, 4 and 5, the locking assembly a300 includes a first position-limiting plate a310, a rod a320, a spring a330 and a block a340, the first position-limiting plate a310 is fixedly connected to the surface of the rod a220, the first position-limiting plate a310 is bolted or welded to the rod a220, the rod a320 is disposed through the first position-limiting plate a310, the first position-limiting plate a310 is provided with a position-limiting groove a311, the rod a320 is fixedly connected to a second position-limiting plate a321, the second position-limiting plate a321 is matched with the position-limiting groove a311, so as to pull up the rod a320 to be clamped to the surface of the first position-limiting plate a310, so as to facilitate the rod a220 to smoothly rotate, the spring a330 is sleeved on the surface of the rod a320, one end of the spring a330 is fixedly connected to the bottom of the first position-limiting plate a310, one end of the spring a330 is bolted or welded to the first position-limiting plate a310, the other end of the spring a330 is fixedly connected to the rod a, the spring a330 can push the clamping rod a320 to be clamped at one side of the clamping block a340, the clamping blocks a340 are provided with a plurality of clamping blocks, the clamping block a340 is arranged at one side of the fixing plate a210, the clamping block a340 is welded at the fixing plate a210, and the clamping block a340 is arranged corresponding to the clamping rod a 320.
Referring to fig. 1, 2 and 6, the intelligent agricultural mechanical hand hole device further includes a lifting assembly a400, the lifting assembly a400 includes a sleeve a410, a sleeve rod a420 and a handle a430, the sleeve a410 is disposed through the fixing plate a210, the sleeve rod a420 is slidably disposed in the sleeve a410, one end of the sleeve rod a420 extends out of the sleeve a410, the handle a430 is fixedly connected to one end of the sleeve rod a420, so that the fixing plate a210 can be conveniently taken out of and put into the sleeve a100, specifically, the other end of the sleeve rod a420 is fixedly connected with a limit block a421, the limit block a421 is attached to an inner wall of the sleeve a410, and the sleeve a410 can be pulled to move through the limit block a421, so as to drive the fixing plate a210 to move.
Specifically, this intelligent agricultural machinery hand hole device's theory of operation: installing the sleeve a100 at a proper position, then installing the fixing plate a210 in the sleeve a100 by holding the handle a430, pulling out the clamping rod a320, the clamping rod a320 driving the second limiting plate a321 to move, clamping the clamping rod a320 on the surface of the first limiting plate a310 through the second limiting plate a321, then rotating the rotating rod a222, the rotating rod a222 driving the rotating rod a220 to rotate, the rotating rod a220 driving the first bevel gear a221 to rotate, the first bevel gear a221 driving the second bevel gear a241 to rotate, the second bevel gear a241 driving the fixing rod a240 to rotate, connecting the sliding block a250 through screw threads, the sliding block a250 sliding out of the first groove a213 along with the rotation of the fixing rod a240, then clamping into the second groove a110, then pulling up the clamping rod a320 to align the second limiting plate a321 with the limiting groove a311, pushing the limiting rod a322 to move under the action of the spring a330, the limiting rod a322 driving the clamping rod a320 to clamp the clamping rod a320 at one side of the clamping block a340 to prevent the rotation, through the structure, the fixing plate a210 is difficult to shake apart by the vibration force in the mechanical work, and the fixing plate a210 is convenient to detach and mount in the sleeve a100 through the matching of the rotating rod a220, the first groove a213, the second groove a110 and the sliding block a250, so that the use effect is enhanced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An intelligent agricultural mechanical hand hole device is characterized by comprising
A sleeve (a 100);
the cover plate assembly (a200), the cover plate assembly (a200) includes a fixed plate (a210), a rotating rod (a220), a fixed rod (a240) and a sliding block (a250), the fixed plate (a210) is disposed in the sleeve (a100), an inner cavity (a211) is formed in the fixed plate (a210), one end of the rotating rod (a220) penetrates into the inner cavity (a211), one end of the rotating rod (a220) is fixedly connected with a first bevel gear (a221), the first bevel gear (a221) is disposed in the inner cavity (a211), the fixed plate (a210) is provided with channels (a212), four channels (a212) are correspondingly disposed, the fixed rod (a240) is disposed in the channel (a212), one end of the fixed rod (a240) is fixedly connected with a second bevel gear (a241), the first bevel gear (a221) is engaged with the second bevel gear (a241), and a first groove (a213) is formed in the edge of the fixed plate (a210), the first groove (a213) is communicated with the channel (a212), the channel (a212) is communicated with the inner cavity (a211), and the sliding block (a250) is connected with one end of the fixing rod (a240) in a threaded mode;
locking assembly (a300), locking assembly (a300) includes first limiting plate (a310), kelly (a320), spring (a330) and fixture block (a340), first limiting plate (a310) fixed connection in bull stick (a220) surface, kelly (a320) run through set up in first limiting plate (a310), spring (a330) cup joint in kelly (a320) surface, spring (a330) one end fixed connection in first limiting plate (a310) bottom, spring (a330) other end fixed connection in kelly (a320), fixture block (a340) is provided with a plurality of, fixture block (a340) set up in fixed plate (a210) one side, fixture block (a340) corresponds kelly (a320) sets up.
2. The intelligent agricultural mechanical hand hole device as claimed in claim 1, wherein the sleeve (a100) is provided with a second groove (a110), and the second groove (a110) is arranged corresponding to the first groove (a 213).
3. The intelligent agricultural machinery hand hole device of claim 1, wherein the sliding block (a250) is opened with a threaded hole (a251), the other end of the fixing rod (a240) is provided with a threaded strip (a242), and the fixing rod (a240) is in threaded connection with the fixing rod (a240) through the threaded hole (a251) and the threaded strip (a 242).
4. The intelligent agricultural robot hole device according to claim 1, wherein the rotating rod (a220) is fixedly connected with a rotating rod (a 222).
5. The intelligent agricultural machinery hand hole device of claim 1, wherein the first limit plate (a310) is provided with a limit groove (a311), the clamping rod (a320) is fixedly connected with a second limit plate (a321), and the second limit plate (a321) is matched with the limit groove (a 311).
6. The intelligent agricultural mechanical hand hole device as claimed in claim 5, wherein the clamping rod (a320) is fixedly sleeved with a limiting block (a322), and one end of the spring (a330) is fixedly connected to one side of the limiting block (a 322).
7. The smart agricultural machine hand hole device of claim 1, further comprising a lifting assembly (a400), wherein the lifting assembly (a400) comprises a sleeve (a410), a sleeve rod (a420) and a handle (a430), the sleeve (a410) is penetratingly disposed on the fixing plate (a210), the sleeve rod (a420) is slidably disposed in the sleeve (a410), one end of the sleeve rod (a420) extends out of the sleeve (a410), and the handle (a430) is fixedly connected to one end of the sleeve rod (a 420).
8. The intelligent agricultural machinery hand hole device of claim 7, wherein a limit block (a421) is fixedly connected to the other end of the sleeve rod (a420), and the limit block (a421) is arranged to fit the inner wall of the sleeve (a 410).
9. The use of the smart agricultural machinery hand hole device according to claim 8, wherein the sleeve a100 is installed at a proper position, then the fixing plate a210 is correspondingly installed in the sleeve a100 by holding the handle a430, then the clamping rod a320 is pulled out, the clamping rod a320 drives the second limiting plate a321 to move, the clamping rod a320 is clamped on the surface of the first limiting plate a310 by the second limiting plate a321, then the rotating rod a222 is rotated, the rotating rod a222 drives the rotating rod a220 to rotate, the rotating rod a220 drives the first bevel gear a221 to rotate, the first bevel gear 241 a221 drives the second bevel gear a321 to rotate, the second bevel gear a241 drives the fixing rod a240 to rotate, the sliding block a250 is connected by screw threads, the sliding block a250 slides out of the first groove a213 along with the rotation of the fixing rod a240, then is clamped into the second groove a110, then the clamping rod a320 is pulled to align the second limiting plate a321 with the limiting groove a311, the limiting plate a322 is pushed to move by the spring a330, spacing bad a322 drives kelly a320 and removes to with kelly a320 joint in fixture block a340 one side, prevent thereby from preventing to revolve, through this kind of structure, the vibrations power in mechanical work is difficult to shake fixed plate a210 apart, through the cooperation of bull stick a220, first recess a213, second recess a110 and slider a250, makes the dismantlement installation of fixed plate a210 in sleeve a100 convenient, has strengthened the result of use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552128.4A CN111731697A (en) | 2020-06-16 | 2020-06-16 | Intelligent agricultural mechanical hand hole device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552128.4A CN111731697A (en) | 2020-06-16 | 2020-06-16 | Intelligent agricultural mechanical hand hole device |
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| Publication Number | Publication Date |
|---|---|
| CN111731697A true CN111731697A (en) | 2020-10-02 |
Family
ID=72649528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010552128.4A Pending CN111731697A (en) | 2020-06-16 | 2020-06-16 | Intelligent agricultural mechanical hand hole device |
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| Country | Link |
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| CN (1) | CN111731697A (en) |
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| KR20170004294A (en) * | 2015-07-02 | 2017-01-11 | 조성욱 | Cutting device for the circular furrow of manhole covers around |
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| CN108335572A (en) * | 2018-05-06 | 2018-07-27 | 嘉兴环艺文化传播有限公司 | A kind of spatial design teaching demonstration equipment |
| CN208138471U (en) * | 2018-05-08 | 2018-11-23 | 庄章彬 | A kind of hand hole device of easy access agricultural machinery |
| CN208201931U (en) * | 2018-03-11 | 2018-12-07 | 肖进兴 | One kind is exempted to open Sewage well cover |
| CN110671716A (en) * | 2019-10-18 | 2020-01-10 | 泰州市东方新型材料有限公司 | Clamp formula manhole cover structure |
| CN210134458U (en) * | 2019-06-14 | 2020-03-10 | 重庆三峡学院 | Intelligent anti-theft device for well lid |
| CN111074462A (en) * | 2019-12-27 | 2020-04-28 | 武汉智达纺织科技有限公司 | Quick manhole opening and closing device of dyeing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020148260A1 (en) * | 2001-04-12 | 2002-10-17 | Albert Garguilo | Manhole security device |
| US20030002921A1 (en) * | 2001-05-30 | 2003-01-02 | Ming-Huang Chang | Quick manhole/handhole construction method and related devices |
| KR20170004294A (en) * | 2015-07-02 | 2017-01-11 | 조성욱 | Cutting device for the circular furrow of manhole covers around |
| CN205010815U (en) * | 2015-09-17 | 2016-02-03 | 上海远跃制药机械有限公司 | Novel quick -opening manhole device |
| CN207133561U (en) * | 2017-07-22 | 2018-03-23 | 北京首钢自动化信息技术有限公司 | A kind of camera protective cover |
| CN108082763A (en) * | 2017-12-15 | 2018-05-29 | 大唐河北发电有限公司马头热电分公司 | A kind of discharger opens hand hole device soon |
| CN208201931U (en) * | 2018-03-11 | 2018-12-07 | 肖进兴 | One kind is exempted to open Sewage well cover |
| CN108335572A (en) * | 2018-05-06 | 2018-07-27 | 嘉兴环艺文化传播有限公司 | A kind of spatial design teaching demonstration equipment |
| CN208138471U (en) * | 2018-05-08 | 2018-11-23 | 庄章彬 | A kind of hand hole device of easy access agricultural machinery |
| CN210134458U (en) * | 2019-06-14 | 2020-03-10 | 重庆三峡学院 | Intelligent anti-theft device for well lid |
| CN110671716A (en) * | 2019-10-18 | 2020-01-10 | 泰州市东方新型材料有限公司 | Clamp formula manhole cover structure |
| CN111074462A (en) * | 2019-12-27 | 2020-04-28 | 武汉智达纺织科技有限公司 | Quick manhole opening and closing device of dyeing machine |
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Application publication date: 20201002 |