CN113401804A - Anti-falling device for hoisting and transporting machinery - Google Patents
Anti-falling device for hoisting and transporting machinery Download PDFInfo
- Publication number
- CN113401804A CN113401804A CN202110734135.0A CN202110734135A CN113401804A CN 113401804 A CN113401804 A CN 113401804A CN 202110734135 A CN202110734135 A CN 202110734135A CN 113401804 A CN113401804 A CN 113401804A
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- Prior art keywords
- falling
- plate
- electric hoist
- shaped plate
- shaped
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention relates to the technical field of hoisting and transporting machinery, and the scheme is that an anti-falling device for the hoisting and transporting machinery comprises an anti-falling mechanism, an I-shaped rail and an electric hoist, wherein the electric hoist is arranged on the I-shaped rail; the anti-falling device can be added on the installed electric hoist, is very simple in installation operation, is in limit rolling connection with the I-shaped rail through the arranged adjustable limiting piece, is stably connected with the electric hoist through the arranged connecting piece, and can timely give an alarm and cut off an operation circuit of the electric hoist when the electric hoist falls through the designed pressure sensor.
Description
Technical Field
The invention relates to the technical field of hoisting and transporting machinery, in particular to a falling-preventing device for hoisting and transporting machinery.
Background
The electric hoist is hoisting equipment of a crane, is arranged on a crown block and a gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, is used in places such as industrial and mining enterprises, storage, wharfs and the like, has compact structure, and adopts a worm gear transmission device as the electric hoist with the motor axis vertical to the axis of the winding drum. At present, the transmission of current electric block for hoist all is on the track of naked setting, and wherein fixed effect is relatively poor, and when the bearing capacity of couple was great, the problem that electric block falls probably appeared, is influencing people's safety and the quality of carrying the thing.
Patent CN201921512944.1 discloses an electric block for hoist with prevent function of falling, including back timber and mounting bracket, the track has all been opened to the both sides of back timber, and the equal fixedly connected with spacing of orbital top inner wall one end and bottom inner wall one end, one side top of mounting bracket is provided with walking structure, and one side of walking structure is provided with the walking wheel of roll connection in the track, the bottom intermediate position of mounting bracket is opened there is the mounting groove, and the inner wall fixedly connected with electric block body of mounting groove, the inside of electric block body is provided with the lifting rope, and the bottom of lifting rope is provided with suspended structure. The utility model discloses utilize the mounting bracket to hoist electric block and handle to make the joint of walking wheel at orbital inner wall, avoid the walking wheel to drop, when the walking wheel removes in the track, can make the movable roller remove in the spout, under the normal operating that does not influence the electric block body, improve device's the effect of preventing falling.
Although the anti-falling protection of the electric hoist can be realized by the structure, the structure is required to be prepared before the rail is not assembled, otherwise, the rail cannot be assembled, the mounted electric hoist cannot be used, and the existing mounted electric hoist needs an anti-falling device which can be temporarily added.
Therefore, the invention designs the anti-falling device for the hoisting and transporting machinery to solve the problems.
Disclosure of Invention
The invention aims to provide a falling-preventing device for hoisting and transporting machinery, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the anti-falling device for the hoisting and transporting machinery comprises an anti-falling mechanism, an I-shaped rail and an electric hoist, wherein the electric hoist is arranged on the I-shaped rail, the anti-falling mechanism is arranged on the periphery of the electric hoist, the anti-falling mechanism is in compression connection with the electric hoist, and the top of the anti-falling mechanism is connected with the top surface of the I-shaped rail;
the anti-falling mechanism comprises two groups of anti-falling brackets which are arranged side by side, each anti-falling bracket comprises a U-shaped plate, the end parts of two side plates of each U-shaped plate are provided with convex plates, the U-shaped plates on the two groups of anti-falling brackets which are arranged side by side are connected through a first connecting plate, and the convex plates on the two groups of anti-falling brackets which are arranged side by side are connected through a second connecting plate;
the middle lower parts of the two side plates of the U-shaped plate are provided with connecting pieces, the anti-falling mechanism is fixedly connected with the electric hoist through the connecting pieces, and the convex plate is provided with an adjustable limiting piece.
Preferably, the adjustable limiting parts on the two groups of convex plates on the same U-shaped plate are staggered with each other.
Preferably, the adjustable limiting part comprises a square sleeve fixedly penetrating the convex plate, a strip-shaped plate is movably inserted in the square sleeve, connecting holes are distributed at intervals on the top surface of the strip-shaped plate, the square sleeve is in limit connection with the strip-shaped plate through bolts, and an L-shaped plate is fixedly arranged at one end of the strip-shaped plate close to the inner side of the U-shaped plate.
Preferably, the bottom end of the L-shaped plate is provided with a plurality of rollers.
Preferably, an extension plate is arranged at the bottom of the inner side of the U-shaped plate, and the extension plate is detachably connected with the U-shaped plate.
Preferably, the connecting piece includes the threaded rod, the curb plate of U-shaped board is run through in the threaded rod spiro union, threaded rod one end is equipped with the crank, the other end of threaded rod is equipped with the compact heap.
Preferably, the bottom of the inner side of the U-shaped plate is provided with a pressure sensor, and the pressure sensor is electrically connected with an external controller.
Preferably, the first connecting plate and the second connecting plate are length-adjustable expansion plates.
Compared with the prior art, the invention has the beneficial effects that: the anti-falling device can be added on the installed electric hoist, is very simple in installation operation, is in limit rolling connection with the I-shaped rail through the arranged adjustable limiting piece, is stably connected with the electric hoist through the arranged connecting piece, and can timely give an alarm and cut off an operation circuit of the electric hoist when the electric hoist falls through the designed pressure sensor.
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 the drawings without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a front view of the fall arrest mechanism of the present invention;
FIG. 4 is a left side view of the fall arrest mechanism of the present invention;
FIG. 5 is a schematic view of a connector of the present invention;
FIG. 6 is a schematic view of a modified design of the fall arrest mechanism of the present invention;
fig. 7 is an isometric view of the modified design of fig. 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1-3, the present invention provides a technical solution:
an anti-falling device for hoisting and transporting machinery comprises an anti-falling mechanism 1, an I-shaped rail 2 and an electric hoist 3, wherein the electric hoist 3 is arranged on the I-shaped rail 2, the anti-falling mechanism 1 is arranged at the periphery of the electric hoist 3, the anti-falling mechanism 1 is in compression connection with the electric hoist 3, and the top of the anti-falling mechanism 1 is connected with the top surface of the I-shaped rail 2;
the anti-falling mechanism 1 comprises two groups of anti-falling brackets which are arranged side by side, each anti-falling bracket comprises a U-shaped plate 101, the end parts of two side plates of each U-shaped plate 101 are provided with convex plates 104, the U-shaped plates 101 on the two groups of anti-falling brackets which are arranged side by side are connected through a first connecting plate 105, and the convex plates 104 on the two groups of anti-falling brackets which are arranged side by side are connected through a second connecting plate 106;
the middle lower parts of the two side plates of the U-shaped plate 101 are provided with connecting pieces 102, the anti-falling mechanism 1 is fixedly connected with the electric hoist 3 through the connecting pieces 102, and the convex plate 104 is provided with an adjustable limiting piece 103.
The adjustable limiting parts 103 on two groups of convex plates 104 on the same U-shaped plate 101 are staggered with each other.
The working principle is as follows: during installation, the anti-falling mechanism is sleeved upwards from the lower side of the electric hoist 3, then two groups of staggered adjustable limiting parts 103 are sequentially installed, so that the I-shaped rail 1 is limited on the inner side of the U-shaped plate 101, the adjustable limiting parts 103 are stably connected with the electric hoist 3 through the connecting piece 102, and the anti-falling mechanism 1 can move along with the electric hoist 3 when the electric hoist 3 moves through connection; when the electric hoist 3 accidentally drops, the anti-falling protection is completed by supporting the electric hoist 3 through the U-shaped plate 101.
Example two
Based on the first embodiment, the present embodiment has the following improvements:
as shown in fig. 3 and 4, the adjustable limiting member 103 includes a square sleeve 1031 fixedly penetrating the convex plate 104, a strip plate 1032 is movably inserted in the square sleeve 1031, connection holes are distributed on the top surface of the strip plate 1032 at intervals, the square sleeve 1031 and the strip plate 1032 are in limit connection through bolts, and an L-shaped plate 1033 is fixedly arranged at one end of the strip plate 1032 close to the inner side of the U-shaped plate 101.
The bottom end of the L-shaped plate 1033 is provided with a plurality of rollers 1034.
During installation, insert strip 1032 in square cover 1031, adjust L template 1033 position for gyro wheel 1034 and the contact of I-shaped track top, it can to fix strip 1032 position through the bolt.
EXAMPLE III
Based on the first embodiment, the present embodiment has the following improvements:
as shown in fig. 6 and 7, an extension plate 107 is disposed at the bottom of the inner side of the U-shaped plate 101, and the extension plate 107 is detachably connected to the U-shaped plate 101.
Through above-mentioned design, can increase the bearing scope that falls, improve device protectiveness.
Example four
Based on the first embodiment, the present embodiment has the following improvements:
as shown in fig. 5, the connecting member 102 includes a threaded rod 1021, the threaded rod 1021 is screwed through the side plate of the U-shaped plate 101, one end of the threaded rod 1021 is provided with a crank 1022, and the other end of the threaded rod 1021 is provided with a pressing block 1023.
The anti-falling mechanism is connected with the electric hoist more simply and quickly by the structure, and the operation is very simple.
To improve the connection capability, the connection capability between the pressing block 1023 and the electric hoist may be enhanced by welding after the pressing block 1023 presses the electric hoist.
EXAMPLE five
Based on the first embodiment, the present embodiment has the following improvements:
as shown in fig. 4, a pressure sensor 108 is disposed at the bottom of the inner side of the U-shaped plate 101, and the pressure sensor 108 is electrically connected to an external controller.
Based on the sixth embodiment, the present embodiment has the following improvements:
as shown in fig. 1 and 3, the first connecting plate 105 and the second connecting plate 106 are both adjustable length expansion plates.
Through the design, the relative positions of the two groups of U-shaped plates can be adjusted, and the proper protection support positions can be selected for electric hoists with different lengths.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms 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 the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (8)
1. The utility model provides a jack-up is anti-falling device for haulage machinery, includes prevents weighing down mechanism (1), I-shaped track (2) and electric block (3), install on I-shaped track (2) electric block (3), its characterized in that: the anti-falling mechanism (1) is arranged on the periphery of the electric hoist (3), the anti-falling mechanism (1) is connected with the electric hoist (3) in a pressing mode, and the top of the anti-falling mechanism (1) is connected with the top surface of the I-shaped rail (2);
the anti-falling mechanism (1) comprises two groups of anti-falling brackets which are arranged side by side, each anti-falling bracket comprises a U-shaped plate (101), the end parts of two side plates of each U-shaped plate (101) are provided with convex plates (104), the U-shaped plates (101) on the two groups of anti-falling brackets which are arranged side by side are connected through a first connecting plate (105), and the convex plates (104) on the two groups of anti-falling brackets which are arranged side by side are connected through a second connecting plate (106);
connecting pieces (102) are arranged at the middle lower parts of two side plates of the U-shaped plate (101), the anti-falling mechanism (1) is fixedly connected with the electric hoist (3) through the connecting pieces (102), and an adjustable limiting piece (103) is arranged on the convex plate (104).
2. The fall arrest device for hoisting transportation machinery as claimed in claim 1, wherein: the adjustable limiting parts (103) on two groups of convex plates (104) on the same U-shaped plate (101) are staggered with each other.
3. The fall arrest device for hoisting transportation machinery as claimed in claim 2, wherein: adjustable locating part (103) including running through square cover (1031) that sets firmly on flange (104), activity is inserted in square cover (1031) and is equipped with strip board (1032), strip board (1032) top surface interval distribution has the connecting hole, through bolt limit connection between square cover (1031) and strip board (1032), strip board (1032) are close to the inboard one end of U template (101) and have set firmly L template (1033).
4. The fall arrest device for hoisting transportation machinery as claimed in claim 3, wherein: the bottom end of the L-shaped plate (1033) is provided with a plurality of rollers (1034).
5. The fall arrest device for hoisting transportation machinery as claimed in claim 1, wherein: extension plate (107) are arranged at the bottom of the inner side of the U-shaped plate (101), and the extension plate (107) is detachably connected with the U-shaped plate (101).
6. The fall arrest device for hoisting transportation machinery as claimed in claim 1, wherein: connecting piece (102) include threaded rod (1021), the curb plate of U template (101) is run through in threaded rod (1021) spiro union, threaded rod (1021) one end is equipped with crank (1022), the other end of threaded rod (1021) is equipped with compact heap (1023).
7. The fall arrest device for hoisting transportation machinery as claimed in claim 1, wherein: the bottom of the inner side of the U-shaped plate (101) is provided with a pressure sensor (108), and the pressure sensor (108) is electrically connected with an external controller.
8. The fall arrest device for hoisting transportation machinery as claimed in claim 1, wherein: the first connecting plate (105) and the second connecting plate (106) are both adjustable length expansion plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110734135.0A CN113401804A (en) | 2021-06-30 | 2021-06-30 | Anti-falling device for hoisting and transporting machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110734135.0A CN113401804A (en) | 2021-06-30 | 2021-06-30 | Anti-falling device for hoisting and transporting machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113401804A true CN113401804A (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110734135.0A Pending CN113401804A (en) | 2021-06-30 | 2021-06-30 | Anti-falling device for hoisting and transporting machinery |
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| Country | Link |
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| CN (1) | CN113401804A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011201674A (en) * | 2010-03-26 | 2011-10-13 | Mirai Ind Co Ltd | Suspension pulley |
| CN202785356U (en) * | 2012-07-31 | 2013-03-13 | 四川昆仑石油设备制造有限公司 | Auxiliary anti-falling pulley device for oil drilling rig crane |
| KR20150072769A (en) * | 2013-12-20 | 2015-06-30 | 주식회사 에스에프에이 | Carriage and carrying method using the same |
| CN204958265U (en) * | 2015-09-23 | 2016-01-13 | 河南巨人起重机集团有限公司 | Hoist electric block fixing device |
| CN210366693U (en) * | 2019-08-21 | 2020-04-21 | 张家口第一煤矿机械有限公司 | Fixed anti-falling device for overhead traveling crane traveling motor |
| CN210655954U (en) * | 2019-09-12 | 2020-06-02 | 林育达 | Electric hoist for crane with prevent function of falling |
| CN211998503U (en) * | 2020-04-21 | 2020-11-24 | 四川双铁科技有限公司 | Anti-drop device for traveling crane |
-
2021
- 2021-06-30 CN CN202110734135.0A patent/CN113401804A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011201674A (en) * | 2010-03-26 | 2011-10-13 | Mirai Ind Co Ltd | Suspension pulley |
| CN202785356U (en) * | 2012-07-31 | 2013-03-13 | 四川昆仑石油设备制造有限公司 | Auxiliary anti-falling pulley device for oil drilling rig crane |
| KR20150072769A (en) * | 2013-12-20 | 2015-06-30 | 주식회사 에스에프에이 | Carriage and carrying method using the same |
| CN204958265U (en) * | 2015-09-23 | 2016-01-13 | 河南巨人起重机集团有限公司 | Hoist electric block fixing device |
| CN210366693U (en) * | 2019-08-21 | 2020-04-21 | 张家口第一煤矿机械有限公司 | Fixed anti-falling device for overhead traveling crane traveling motor |
| CN210655954U (en) * | 2019-09-12 | 2020-06-02 | 林育达 | Electric hoist for crane with prevent function of falling |
| CN211998503U (en) * | 2020-04-21 | 2020-11-24 | 四川双铁科技有限公司 | Anti-drop device for traveling crane |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210917 |
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| RJ01 | Rejection of invention patent application after publication |