CN204265288U - Rope breakage protection device and engineering machinery - Google Patents

Rope breakage protection device and engineering machinery Download PDF

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Publication number
CN204265288U
CN204265288U CN201420723735.2U CN201420723735U CN204265288U CN 204265288 U CN204265288 U CN 204265288U CN 201420723735 U CN201420723735 U CN 201420723735U CN 204265288 U CN204265288 U CN 204265288U
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China
Prior art keywords
rope
electromagnet
clamping
broken protector
attracted
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CN201420723735.2U
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Chinese (zh)
Inventor
袁政
胡浩炬
李桂芳
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Zoomlion Heavy Industry Science and Technology Co Ltd
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Abstract

The utility model discloses a broken rope protection device and an engineering machine, the broken rope protection device comprises a clamping mechanism and a driving mechanism, the clamping mechanism comprises two clamping parts which are respectively arranged at two sides of a rope correspondingly, the clamping mechanism is provided with a separation state that the two clamping parts are separated from each other so that the rope can smoothly pass through between the two clamping parts and a clamping state that the two clamping parts are matched with each other to clamp the rope, the drive mechanism includes an electromagnet and a portion capable of being attracted by the magnet, one of the electromagnet and the portion capable of being attracted by the magnet being capable of driving the clamping mechanism, the electromagnet and the portion capable of being attracted by the magnet being provided so as to be capable of driving the clamping mechanism in one of the separated state and the clamped state when being magnetically connected to each other, driving the clamping mechanisms to be in the other of the separated state and the clamped state when separated from each other; the engineering machinery comprises the broken rope protection device; the rope breakage protection device is simple in structure and high in reliability.

Description

Rope broken protector and construction machinery and equipment
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of rope broken protector and the construction machinery and equipment with this rope broken protector.
Background technology
Carry out on the construction machinery and equipment of lifting operation at use lifting rope, all there is lifting rope fracture and the possibility that causes high aerial weight to fall, form great potential safety hazard.Now, some construction machinery and equipments can matingly be provided with some fender guards, so that lifting rope fracture problem of bringing can be tackled to a certain extent, such as, existing tower crane lifting mechanism normally installs a set of drg on high speed shaft, the output shaft of reductor is directly connected with reel by spline pair, this device can check reel when braking, make suspension hook and lifted weight out of service, but this device not only complex structure, and the effect preventing suspension hook from dropping cannot be played safely and reliably, in other words, tower crane most at present also there is no the fender guard reliably can tackling lifting rope breakage problem.
Utility model content
The purpose of this utility model is to provide the stronger rope broken protector of the simple and reliable property of a kind of structure and has the construction machinery and equipment of this lifting rope fender guard.
To achieve these goals, the utility model provides a kind of rope broken protector, this rope broken protector comprises clamping mechanism and driver train, described clamping mechanism comprises be separately positioned on rope both sides two clamping sections with corresponding to each other, described clamping mechanism has that described two clamping sections are separated from one another clamps the clamped condition of described rope to make described rope to be fitted to each other from the released state passed through between described two clamping sections and described two clamping sections smoothly, and, the part that described driver train comprises electromagnet and can be attracted by magnet, described electromagnet can drive described clamping mechanism with the one in the part that can be attracted by magnet, described electromagnet with can be set to can to drive when being connected each other by magnetic force described clamping mechanism by the part that magnet attracts and be in one in released state and clamped condition, and time separated from one another, described clamping mechanism is driven to be in another kind in released state and clamped condition.
Preferably, described two clamping sections are two eccentric wheel be mutually symmetrical relative to described rope, and motion path when described electromagnet interacts with the described part that can be attracted by magnet is positioned in the vertical bisector plane at described two eccentric centers.
Preferably, described driver train also comprises two connecting rods, these two connecting rods are mutually symmetrical relative to described rope, the first end of these two connecting rods is rotatably connected to the described clamping section of respective side respectively, and the second end is rotatably connected to described electromagnet and the described one in the part that can be attracted by magnet respectively.
Preferably, described two eccentric tops being centrally located at described two eccentric S. A.s; Described driver train is positioned on the downside of described clamping mechanism; Described electromagnet fixed installation, describedly can be comprised bar portion and weight portion by the part that magnet attracts, described bar portion is movably through described electromagnet, described weight portion is connected to described bar subordinate end, described second end of described connecting rod is connected to the top in described bar portion, and described weight portion can be attracted by magnet.
Preferably, described weighing body can backstop in the below of described electromagnet.
Preferably, this rope broken protector comprises matrix and two permanent seats, and described two permanent seats and described electromagnet are fixed on described matrix, and described two clamping sections are installed on corresponding described permanent seat respectively.
Preferably, described two clamping sections are formed with tooth respectively on the surface be fitted to each other.
Preferably; this rope broken protector also comprises detection control mechanism; this detection control mechanism comprises the detector of the tension force for detecting the described rope being positioned at described rope broken protector upstream and the controller for the energising and power operation that control described electromagnet, and described detector is electrically connected with described controller.
The utility model additionally provides a kind of construction machinery and equipment, and this project machinery comprises according to rope broken protector of the present utility model.
Preferably; this project machinery is tower crane; this tower crane comprises loading trolley; this loading trolley comprise enter end enter rope pulley, rope-out end go out rope pulley and enter rope pulley and described go out intermediate pulley between rope pulley; this loading trolley comprise pass through successively described in enter rope pulley, described intermediate pulley and described go out the steel rope of rope pulley, and described enter between the upstream of rope pulley, adjacent two pulleys and described in go out rope pulley downstream be respectively arranged with described rope broken protector.
In rope broken protector of the present utility model; by being separated and connecting between electromagnet with the part that can be attracted by magnet; realize the separation to two clamping sections in clamping mechanism and clamping; make when fracture of rope; driver train can make two clamping sections be in clamped condition by fast driving clamping mechanism; and the rope clamp of fracture is lived, to play the effect such as preventing weight from falling, the simple and reliable property of described rope broken protector structure is strong.
Other feature and advantage of the present utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification sheets, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the structural representation of the rope broken protector according to a kind of mode of the present utility model, and wherein, the clamping mechanism of this rope broken protector is in released state;
Fig. 2 is rope broken protector in Fig. 1 is in clamped condition structural representation at clamping mechanism;
Fig. 3 is the fastening schematic diagram of the rope broken protector in Fig. 1;
Fig. 4 is the structural representation of the construction machinery and equipment according to a kind of embodiment of the present utility model.
Description of reference numerals
1 permanent seat 2 S. A.
Restrict in 3 clamping sections 4
5 connecting rod 6 electromagnets
8 part 9 loading trolleys that can be attracted by magnet
10 enter rope pulley 11 goes out rope pulley
12 intermediate pulley 13 rope broken protectors
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the rope broken protector that the noun of locality used normally provides at the utility model as " upper and lower " and construction machinery and equipment define under normal usage, and also consistent with reference to direction shown in accompanying drawing; " inside and outside " refers to profile inside and outside relative to each parts itself.
The utility model provides a kind of rope broken protector, this rope broken protector comprises clamping mechanism and driver train, described clamping mechanism comprises be separately positioned on rope 4 both sides two clamping sections 3 with corresponding to each other, described clamping mechanism has that described two clamping sections 3 are separated from one another clamps the clamped condition of described rope 4 to make described rope 4 to be fitted to each other from the released state passed through between described two clamping sections 3 and described two clamping sections 3 smoothly, and, the part 8 that described driver train comprises electromagnet 6 and can be attracted by magnet, described electromagnet 6 can drive described clamping mechanism with the one in the part 8 that can be attracted by magnet, described electromagnet 6 and the part 8 that can be attracted by magnet are set to can to drive when being connected each other by magnetic force described clamping mechanism to be in one in released state and clamped condition, and time separated from one another, described clamping mechanism is driven to be in another kind in released state and clamped condition.
In rope broken protector of the present utility model, by being separated and connecting between electromagnet 6 with the part 8 that can be attracted by magnet, realize the separation to two clamping sections 3 in clamping mechanism and clamping, make when rope 4 ruptures, driver train can fast driving clamping mechanism and make two clamping sections 3 be in clamped condition, and the rope 4 of fracture is clamped, to play the effect such as preventing weight from falling, the simple and reliable property of described rope broken protector structure is strong, be applicable to the construction machinery and equipments such as such as tower crane, after applying this rope broken protector, lifting rope effectively can be avoided to rupture and cause high aerial weight to fall problem, improve the safety of operation.
It will be understood by those skilled in the art that, described clamping mechanism and described driver train can be set to the form be applicable to arbitrarily, such as, as the simple embodiment of one, see Fig. 1 to Fig. 3, described two clamping sections 3 are two eccentric wheel be mutually symmetrical relative to described rope 4, and described electromagnet 6 and the described part 8 that can be attracted by magnet motion path when interacting is positioned at described two eccentric centers, and (eccentric center refers to eccentric geometric centre, such as, eccentric wheel place circle the center of circle) vertical bisector plane on.Such as, two eccentric wheel can be that size is completely equal and be positioned at same plane, rope 4 can extend along the perpendicular bisector at these two eccentric centers, when electromagnet 6 and the part 8 that can be attracted by magnet interact (such as attract each other or separated from one another) producing, electromagnet 6 and the motion path of the part 8 that can be attracted by magnet are positioned in the vertical bisector plane at described two eccentric centers, and namely electromagnet 6 moves in the vertical bisector plane at described two eccentric centers with the part 8 that can be attracted by magnet.
And, selectively, described driver train can also comprise two connecting rods 5, these two connecting rods 5 are mutually symmetrical relative to described rope 4, the first end of these two connecting rods 5 is rotatably connected to the described clamping section 3 of respective side respectively, second end is rotatably connected to described electromagnet 6 and the described one in the part 8 that can be attracted by magnet respectively, such as, in rope broken protector in accompanying drawing, second end of two connecting rods 5 is selectively connected to the described part 8 that can be attracted by magnet, two connecting rods 5 are symmetrical relative to rope 4, with after the driving being subject to the part 8 that can be attracted by magnet, drive the clamping section 3 be connected symmetrically respectively.
Further particularly, in graphic embodiment, described two eccentric tops being centrally located at described two eccentric S. A.s; Described driver train is positioned on the downside of described clamping mechanism; Described electromagnet 6 fixedly mounts, the described part 8 that can be attracted by magnet comprises bar portion and weight portion, described bar portion is movably through described electromagnet 6, described weight portion is connected to described bar subordinate end, described second end of described connecting rod 5 is connected to the top in described bar portion, and described weight portion can be attracted by magnet.See Fig. 1, in this embodiment, when electromagnet 6 is in energising situation, weight portion attracts by electromagnet 6 and is connected with electromagnet 6, now clamping mechanism is in released state, and namely two clamping sections 3 are separated from one another, and rope 4 can pass through smoothly between two clamping sections 3; See Fig. 2, stop energising to electromagnet 6, then the magnetic of electromagnet 6 disappears, weight portion cannot be attracted again, the part 8 that can be attracted by magnet is at the moved downward of the gravity in its weight portion, thus drivening rod 5 moves, and then drives clamping section 3 to move, particularly, in Fig. 2, be positioned at the eccentric wheel clickwise in left side, be positioned at the eccentric wheel left-hand revolution on right side, distance between two eccentric wheel is decreased to can clamping rope 4, and prevents rope 4 from continuing motion.
Preferably, described weighing body can backstop in the below of described electromagnet 6, like this, when electromagnet 6 is energized and attracts weighing body, the backstop that weighing body is subject to electromagnet 6 only can move to the position offseted with electromagnet 6 lower end, thus is limited the motion amplitude of clamping mechanism again by connecting rod 5.
In addition, see accompanying drawing, electromagnet 6 is set to solenoidal form, the bar portion of the part 8 that can be attracted by magnet is passed from along this solenoidal axis from this solenoidal inside, the part 8 that can be attracted by magnet at least can be attracted by magnet at weighing body place, and such as weighing body is made up of iron, cobalt or nickel.
In present embodiment; this rope broken protector also comprises matrix and two permanent seats 1, and described two permanent seats 1 and described electromagnet 6 are fixed on described matrix, and described two clamping sections 3 are installed on corresponding described permanent seat 1 respectively; such as, eccentric S. A. is installed on permanent seat 1.
Preferably, described two clamping sections 3 are formed with tooth respectively on the surface be fitted to each other, with can clamping rope 4 better.
Rope broken protector of the present utility model may be used for various derricking gear; described rope 4 can be steel rope; and; wherein; when clamping section 3 is set to eccentric form, clamping section 3 can be only an eccentric part, such as, shown in Fig. 1 and Fig. 2; so not only be conducive to reducing installing space, also help reduction manufacturing cost.
In addition, this rope broken protector can also comprise detection control mechanism, those skilled in the art can according to circumstances select to be the form be applicable to arbitrarily by described detection control organization establishes, such as, described detection control mechanism can comprise the tension force for detecting the described rope 4 being positioned at described rope broken protector upstream detector and for controlling the described energising of electromagnet 6 and the controller of power operation, described detector is electrically connected with described controller, in this case, the service condition of rope 4 is judged by detecting the tension force being positioned at the described rope 4 of rope broken protector upstream, when rope 4 ruptures, the tension force meeting instantaneous variation of rope 4, such as, be decreased to below a certain value instantaneously, the tension force detected is flowed to controller by detector, when controller judges that the tension force detected is less than described a certain value, transmit control signal, electromagnet 6 is energized or power operation (being ct-off signal in illustrated embodiment).
In addition, the utility model also relates to a kind of construction machinery and equipment, and this project machinery comprises according to rope broken protector of the present utility model.
See Fig. 4, construction machinery and equipment in present embodiment is tower crane, this tower crane comprises loading trolley 9, this loading trolley 9 comprises being positioned at and enters rope pulley 10 into end, rope-out end go out rope pulley 11 and enter rope pulley 10 and described go out intermediate pulley 12 between rope pulley 11, this loading trolley 9 comprise pass through successively described in enter rope pulley 10, described intermediate pulley 12 and described go out the steel rope of rope pulley 11, and described enter the upstream of rope pulley 10, between two adjacent pulleys and described in go out rope pulley 11 downstream be respectively arranged with described rope broken protector 13, in this case, no matter that section of fracture of steel rope, the clamping of the steel rope of fracture all can prevent suspension hook or weight from continuing to fall by corresponding rope broken protector 13.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.

Claims (10)

1. a rope broken protector, this rope broken protector comprises clamping mechanism and driver train, described clamping mechanism comprises be separately positioned on rope (4) both sides two clamping sections (3) with corresponding to each other, it is separated from one another to make described rope (4) can be fitted to each other from the released state passed through between described two clamping sections (3) and described two clamping sections (3) smoothly the clamped condition of the described rope of clamping (4) that described clamping mechanism has described two clamping sections (3), it is characterized in that, the part (8) that described driver train comprises electromagnet (6) and can be attracted by magnet, one in described electromagnet (6) and the part (8) that can be attracted by magnet can drive described clamping mechanism, described electromagnet (6) and the part (8) that can be attracted by magnet are set to can to drive when being connected each other by magnetic force described clamping mechanism to be in one in released state and clamped condition, and time separated from one another, described clamping mechanism is driven to be in another kind in released state and clamped condition.
2. rope broken protector according to claim 1; it is characterized in that; described two clamping sections (3) are two eccentric wheel be mutually symmetrical relative to described rope (4), and motion path when described electromagnet (6) interacts with the described part (8) that can be attracted by magnet is positioned in the vertical bisector plane at described two eccentric centers.
3. rope broken protector according to claim 2; it is characterized in that; described driver train also comprises two connecting rods (5); these two connecting rods (5) are mutually symmetrical relative to described rope (4); the first end of these two connecting rods (5) is rotatably connected to the described clamping section (3) of respective side respectively, and the second end is rotatably connected to the described one in described electromagnet (6) and the part (8) that can be attracted by magnet respectively.
4. rope broken protector according to claim 3, is characterized in that, described two eccentric tops being centrally located at described two eccentric S. A.s; Described driver train is positioned on the downside of described clamping mechanism; Described electromagnet (6) fixedly mounts, the described part (8) that can be attracted by magnet comprises bar portion and weight portion, described bar portion is movably through described electromagnet (6), described weight portion is connected to described bar subordinate end, described second end of described connecting rod (5) is connected to the top in described bar portion, and described weight portion can be attracted by magnet.
5. rope broken protector according to claim 4, is characterized in that, described weighing body can backstop in the below of described electromagnet (6).
6. rope broken protector according to claim 4; it is characterized in that; this rope broken protector comprises matrix and two permanent seats (1); described two permanent seats (1) and described electromagnet (6) are fixed on described matrix, and described two clamping sections (3) are installed on corresponding described permanent seat (1) respectively.
7. rope broken protector according to claim 1, is characterized in that, described two clamping sections (3) are formed with tooth respectively on the surface be fitted to each other.
8. according to the rope broken protector in claim 1-7 described in any one; it is characterized in that; this rope broken protector also comprises detection control mechanism; this detection control mechanism comprises the detector of the tension force for detecting the described rope (4) being positioned at described rope broken protector upstream and the controller for the energising and power operation that control described electromagnet (6), and described detector is electrically connected with described controller.
9. a construction machinery and equipment, is characterized in that, this project machinery comprises according to rope broken protector described in any one in claim 1-8.
10. construction machinery and equipment according to claim 9, it is characterized in that, this project machinery is tower crane, this tower crane comprises loading trolley (9), this loading trolley (9) comprises being positioned at and enters rope pulley (10) into end, be positioned at rope-out end go out rope pulley (11) and be positioned at rope pulley (10) and described go out intermediate pulley (12) between rope pulley (11), this loading trolley (9) comprise pass through successively described in enter rope pulley (10), described intermediate pulley (12) and described go out the steel rope of rope pulley (11), and described enter the upstream of rope pulley (10), between two adjacent pulleys and described in go out rope pulley (11) downstream be respectively arranged with described rope broken protector (13).
CN201420723735.2U 2014-11-26 2014-11-26 Rope breakage protection device and engineering machinery Active CN204265288U (en)

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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417390A (en) * 2016-01-26 2016-03-23 南通准信自动化科技有限公司 Safety lock braking tool
CN111217231A (en) * 2020-03-20 2020-06-02 上海大学 A contract a square device that is used for marine unmanned ship hoist and mount to have direction clamping mechanism
CN111532979A (en) * 2020-05-14 2020-08-14 钱进 Hoisting equipment and rope inlet and outlet device thereof
CN117776013A (en) * 2024-02-23 2024-03-29 山东瑞福锂业有限公司 Hoisting device for conveying battery materials
CN117819398A (en) * 2024-03-05 2024-04-05 中国电建集团山东电力建设第一工程有限公司 Industrial production hoisting equipment with operation early warning function

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105417390A (en) * 2016-01-26 2016-03-23 南通准信自动化科技有限公司 Safety lock braking tool
CN111217231A (en) * 2020-03-20 2020-06-02 上海大学 A contract a square device that is used for marine unmanned ship hoist and mount to have direction clamping mechanism
CN111532979A (en) * 2020-05-14 2020-08-14 钱进 Hoisting equipment and rope inlet and outlet device thereof
CN117776013A (en) * 2024-02-23 2024-03-29 山东瑞福锂业有限公司 Hoisting device for conveying battery materials
CN117776013B (en) * 2024-02-23 2024-05-31 山东瑞福锂业有限公司 Hoisting device for conveying battery materials
CN117819398A (en) * 2024-03-05 2024-04-05 中国电建集团山东电力建设第一工程有限公司 Industrial production hoisting equipment with operation early warning function
CN117819398B (en) * 2024-03-05 2024-05-28 中国电建集团山东电力建设第一工程有限公司 Industrial production hoisting equipment with operation early warning function

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