CN110937508A - Overhead crane ground discharge device - Google Patents

Overhead crane ground discharge device Download PDF

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Publication number
CN110937508A
CN110937508A CN201911295716.8A CN201911295716A CN110937508A CN 110937508 A CN110937508 A CN 110937508A CN 201911295716 A CN201911295716 A CN 201911295716A CN 110937508 A CN110937508 A CN 110937508A
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CN
China
Prior art keywords
wire
conductive box
fixed
baffles
discharge device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911295716.8A
Other languages
Chinese (zh)
Inventor
刘实
高培
李学志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI PUBANG MECHANISM AND ELECTRIC MANUFACTURE CO Ltd
Original Assignee
SHANGHAI PUBANG MECHANISM AND ELECTRIC MANUFACTURE CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHANGHAI PUBANG MECHANISM AND ELECTRIC MANUFACTURE CO Ltd filed Critical SHANGHAI PUBANG MECHANISM AND ELECTRIC MANUFACTURE CO Ltd
Priority to CN201911295716.8A priority Critical patent/CN110937508A/en
Publication of CN110937508A publication Critical patent/CN110937508A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
    • B65H75/42—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
    • B65H75/425—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles attached to, or forming part of a vehicle, e.g. truck, trailer, vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/48—Automatic re-storing devices
    • B65H75/486—Arrangements or adaptations of the spring motor
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
    • H05F3/00—Carrying-off electrostatic charges
    • H05F3/02—Carrying-off electrostatic charges by means of earthing connections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables

Abstract

The invention discloses a ground discharge device of a crane of an overhead traveling crane, which comprises: the wire winding device comprises a travelling frame, a trolley and a conductive box, wherein the conductive box is fixed on the surface of the trolley, the bottom of the conductive box is connected with the trolley in a fitting manner, a wire winding disc is fixed inside the conductive box and comprises connecting columns and baffles, the two baffles are arranged and respectively arranged at two ends of the connecting columns, through holes are formed in the middle parts of the baffles and the connecting columns, a wire winding groove is formed between the two baffles, a wire is wound and connected on the surface of the connecting column, and the tail end of the wire is; the inside vertical fixed pipe that is fixed with of electrically conductive box, fixed pipe middle part is provided with and leads electrical pillar, leads the lower extreme of electrical pillar and extends to electrically conductive box lower extreme and be connected with the current conducting plate, and the inside of spliced pole is provided with the flat spiral spring. According to the invention, the conductive box is arranged on the trolley, and one end of the lead is connected to the conductive box, and the other end of the lead is grounded to discharge, so that the influence of current on the bearing is reduced, and the service life of the bearing is prolonged.

Description

Overhead crane ground discharge device
Technical Field
The invention relates to the technical field of cranes, in particular to a ground discharge device of a crane of an overhead travelling crane.
Background
The overhead crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards for hoisting materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge of the overhead crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge can be fully utilized to hoist materials without being hindered by ground equipment. The lifting machine has the widest application range and the largest quantity.
At present, the following problems exist in the existing crane: the crown block crane power supply system can generate unbalanced three-phase current when supplying power, so that the crown block body is electrified, the current is generally applied to a local point through a large hub bearing, and the service life of the bearing is seriously influenced by the current. For this reason, a new scheme needs to be designed to give improvements.
Disclosure of Invention
The invention aims to provide a ground discharge device of a crane, which solves the problems in the background art and meets the actual use requirements.
In order to achieve the purpose, the invention provides the following technical scheme: an overhead traveling crane earth discharge device comprising: the wire winding device comprises a travelling rack, a trolley and conductive boxes, wherein the conductive boxes are fixed on the surface of the trolley, the bottoms of the conductive boxes are connected with the trolley in a fitting manner, a wire winding disc is fixed inside the conductive boxes and comprises connecting columns and baffles, the two baffles are arranged and respectively arranged at two ends of the connecting columns, through holes are formed in the middle parts of the baffles and the connecting columns, a wire winding groove is formed between the two baffles, a wire is wound on the surface of the connecting column and connected with the surface of the connecting column, and the tail ends of the wire are grounded; the inside vertical fixed pipe that is fixed with of electrically conductive box, fixed pipe middle part is provided with and leads electrical pillar, the lower extreme that leads electrical pillar extends to electrically conductive box lower extreme and is connected with the current conducting plate, the inside of spliced pole is provided with the spiral spring of plane, spiral spring of plane one end and spliced pole inner wall fixed connection, the other end and fixed tub fixed connection.
In a preferred embodiment of the invention, the right side of the surface of the truss is provided with a wire fixing nail, and the right end of the wire extends rightwards and is connected with the wire fixing nail in a winding way.
As a preferred embodiment of the invention, the wire fixing nail comprises a fixing column, a first wire clamping plate, a second wire clamping plate and a stud, wherein a threaded structure is arranged on the surface of the fixing column and is fixedly connected with the traveling frame by a nut, the first wire clamping plate is integrally formed at the right end of the fixing column, a screw hole is formed at the right end of the fixing column, the second wire clamping plate is integrally formed at the right end of the stud, and the stud is in threaded connection with the screw hole.
As a preferred embodiment of the invention, the lead is wound on the stud, a first clamping groove is formed in the right side wall of the first clamping plate, a second clamping groove is formed in the left side wall of the second clamping plate, and the second clamping plate is connected with the first clamping groove in an embedded manner.
As a preferred embodiment of the present invention, the conductive plate, the conductive pillar, and the take-up reel are made of copper material.
As a preferred embodiment of the present invention, mounting plates are fixed to two ends of the conductive box, mounting holes are formed in the mounting plates, the mounting plates are fixedly connected to the trolley by bolts, a wire outlet is formed in the right side wall of the conductive box, and the wire penetrates through the wire outlet.
Compared with the prior art, the invention has the following beneficial effects:
(1) this hoist sets up the electrically conductive box to ground discharge apparatus on the dolly, discharges through connecting wire one end in electrically conductive box, other end ground connection, reduces the influence of electric current to the bearing, improves its life.
(2) This hoist is to ground discharge device, installation take-up reel and plane volute spiral spring in electrically conductive box, come to carry out the rolling to the wire through the take-up reel, avoid the wire to cause the influence to the dolly removal.
Drawings
FIG. 1 is an overall structure diagram of a ground discharge device of an overhead crane of the invention;
FIG. 2 is a view showing an internal structure of the conductive case according to the present invention;
FIG. 3 is a front view of the conductive cartridge of the present invention;
FIG. 4 is a side view of the take-up reel of the present invention;
fig. 5 is a structural view of the wire fixing nail according to the present invention.
In the figure, a travelling frame 1; a trolley 2; a conductive case 3; a wire fixing nail 4; a take-up reel 5; a fixed tube 6; a flat spiral spring 7; a conductive post 8; a mounting plate 9; a wire outlet hole 10; a conductive plate 11; a fixed column 12; a wire clamping plate I13; a wire clamping plate II 14; a stud 15; a screw hole 16; a first clamping groove 17; a second clamping groove 18; a winding groove 19; a baffle 20; a through hole 21; a connecting post 22; and a wire 23.
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.
Referring to fig. 1-5, the present invention provides a technical solution: an overhead traveling crane earth discharge device comprising: the trolley comprises a travelling rack 1, a trolley 2 and a conductive box 3, wherein the conductive box 3 is fixed on the surface of the trolley 2, the bottom of the conductive box 3 is connected with the trolley 2 in a fitting manner, a conductive plate 11 at the bottom of the conductive box 3 is attached to the trolley 2, the surface of the trolley 2 is electrically led out to the inside of the conductive box 3, a take-up reel 5 is fixed inside the conductive box 3, the take-up reel 5 comprises a connecting column 22 and baffles 20, the two baffles 20 are provided with two through holes 21 and are respectively arranged at two ends of the connecting column 22, through holes 21 are respectively formed in the middles of the baffles 20 and the connecting column 22, a winding groove 19 is formed between the two baffles 20, the surface of the connecting column 22 is wound and connected with a lead 23, the tail end of the lead 23 is grounded, the lead 23 is horizontally; inside vertical fixed with fixed tube 6 of conductive box 3, fixed tube 6 middle part is provided with and leads electrical pillar 8, the lower extreme that leads electrical pillar 8 extends to conductive box 3 lower extreme and is connected with current conducting plate 11, the inside of spliced pole 22 is provided with spiral spring 7, spiral spring 7 one end and spliced pole 22 inner wall fixed connection in plane, the other end and fixed tube 6 fixed connection, can stimulate wire 23 when dolly 2 removes, wire 23 drives take-up reel 5 after pulling out, take-up reel 5 drives spiral spring 7 after rotating, spiral spring 7 carries out the energy storage, spiral spring 7 rebounds and drives take-up reel 5 when dolly 2 reverse movement, thereby release wire 23, make conductive box 3 do not influence dolly 2 operations at electrically conductive in-process.
Further improved, as shown in fig. 1: solidus nail 4 is installed to the walking frame 1 surface right side, and 23 right-hand members of wire extend right and with solidus nail 4 winding connection, solidus nail 4 is fixed wire 23, avoids wire 23 to influence the dolly and uses.
Further improved, as shown in fig. 5: the wire fixing nail 4 comprises a fixing column 12, a wire clamping plate I13, a wire clamping plate II 14 and a stud 15, a thread structure is arranged on the surface of the fixing column 12, a nut is fixedly connected with the traveling rack 1, the wire clamping plate I13 is integrally formed at the right end of the fixing column 12, a screw hole 16 is formed at the right end of the fixing column 12, the wire clamping plate II 14 is integrally formed at the right end of the stud 15, the stud 15 is in threaded connection with the screw hole 16, and the wire fixing nail 4 is convenient to install and use.
Further improved, as shown in fig. 5: the wire 23 is wound on the stud 15, a first clamping groove 17 is formed in the right side wall of the first wire clamping plate 13, a second clamping groove 18 is formed in the left side wall of the second wire clamping plate 14, the second wire clamping plate 14 is connected with the first clamping groove 17 in an embedded mode, and the first clamping groove 17 and the second clamping groove 18 play a role in preventing falling.
Further improved, as shown in fig. 2: the conductive plate 11, the conductive column 8 and the take-up reel 5 are all made of copper materials, and the copper materials have good conductive performance.
Specifically, mounting plates 9 are fixed at two ends of the conductive box 3, mounting holes are formed in the mounting plates 9, the mounting plates 9 are fixedly connected with the trolley 2 through bolts, a wire outlet hole 10 is formed in the right side wall of the conductive box 3, and a wire 23 penetrates through the wire outlet hole 10.
When the wire fixing device is used, the conductive box 3 is fixed on the surface of the trolley 2 through the bolt, then the internal lead 23 is pulled out and wound on the stud of the wire fixing nail 4, the wire clamping plate II 14 is rotated after winding is completed, the wire clamping plate II 14 is collected into the clamping groove I17, the anti-falling effect is achieved, the tail end of the lead 23 extends to the lower portion of the wire fixing nail 4 and is grounded, when the surface of the trolley 2 is electrified, the conductive plate 11 conducts electricity to the conductive column 8, the conductive column 8 conducts electricity to the take-up reel 5, and therefore grounding conduction is achieved through the lead 23. When the trolley 2 runs in the reverse direction of the wire fixing nail 4, the wire 23 is pulled out from the conductive box 3 and drives the wire take-up reel 5 to rotate, the wire take-up reel 5 drives the flat spiral spring 7 after rotating, the flat spiral spring 7 stores energy, and when the trolley 2 moves in the direction of the wire fixing nail 4, the flat spiral spring 7 drives the wire take-up reel 5 to rotate reversely to take in the wire 23, so that the wire 23 is prevented from influencing the normal use of the trolley 2.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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 (6)

1. An overhead traveling crane earth discharge device comprising: truss (1), dolly (2) and electrically conductive box (3), its characterized in that: the wire winding device is characterized in that the conductive box (3) is fixed on the surface of the trolley (2), the bottom of the conductive box is connected with the trolley (2) in a fitting mode, a wire winding disc (5) is fixed inside the conductive box (3), the wire winding disc (5) comprises connecting columns (22) and baffles (20), the two baffles (20) are arranged and respectively arranged at two ends of each connecting column (22), through holes (21) are formed in the middles of the baffles (20) and the connecting columns (22), a wire winding groove (19) is formed between the two baffles (20), a wire (23) is wound on the surface of each connecting column (22), and the tail end of each wire (23) is grounded;
the utility model discloses a fixed pipe of electricity conduction box (3) inside vertical fixed with (6), fixed pipe (6) middle part is provided with leads electrical pillar (8), the lower extreme that leads electrical pillar (8) extends to electrical conduction box (3) lower extreme and is connected with current conducting plate (11), the inside of spliced pole (22) is provided with flat spiral spring (7), flat spiral spring (7) one end and spliced pole (22) inner wall fixed connection, the other end and fixed pipe (6) fixed connection.
2. The overhead crane earth discharge device of claim 1, wherein: the wire fixing nail (4) is installed to the right side of the surface of the travelling rack (1), and the right end of the wire (23) extends rightwards and is connected with the wire fixing nail (4) in a winding mode.
3. The overhead crane earth discharge device of claim 2, wherein: the wire fixing nail (4) comprises a fixing column (12), a first wire clamping plate (13), a second wire clamping plate (14) and a stud (15), a threaded structure is arranged on the surface of the fixing column (12) and a nut and a traveling frame (1) are fixedly connected, the first wire clamping plate (13) is integrally formed at the right end of the fixing column (12), a screw hole (16) is formed in the right end of the fixing column (12), the second wire clamping plate (14) is integrally formed at the right end of the stud (15), and the stud (15) is in threaded connection with the screw hole (16).
4. The overhead crane earth discharge device of claim 3, wherein: wire (23) twines on double-screw bolt (15), draw-in groove (17) have been seted up on the right side wall of card line board (13), draw-in groove two (18) have been seted up on the left side wall of card line board two (14), card line board two (14) are inlayed with draw-in groove one (17) and are connected.
5. The overhead crane earth discharge device of claim 1, wherein: the conducting plate (11), the conducting post (8) and the take-up reel (5) are all made of copper materials.
6. The overhead crane earth discharge device of claim 1, wherein: mounting panels (9) are fixed with at conductive box (3) both ends, set up the mounting hole on mounting panel (9), mounting panel (9) adopt bolt and dolly (2) fixed connection, wire hole (10) have been seted up on conductive box (3) right side wall, wire (23) run through wire hole (10).
CN201911295716.8A 2019-12-16 2019-12-16 Overhead crane ground discharge device Pending CN110937508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911295716.8A CN110937508A (en) 2019-12-16 2019-12-16 Overhead crane ground discharge device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911295716.8A CN110937508A (en) 2019-12-16 2019-12-16 Overhead crane ground discharge device

Publications (1)

Publication Number Publication Date
CN110937508A true CN110937508A (en) 2020-03-31

Family

ID=69911479

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911295716.8A Pending CN110937508A (en) 2019-12-16 2019-12-16 Overhead crane ground discharge device

Country Status (1)

Country Link
CN (1) CN110937508A (en)

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