CN215208118U - Novel crane PE line - Google Patents
Novel crane PE line Download PDFInfo
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- CN215208118U CN215208118U CN202120838354.9U CN202120838354U CN215208118U CN 215208118 U CN215208118 U CN 215208118U CN 202120838354 U CN202120838354 U CN 202120838354U CN 215208118 U CN215208118 U CN 215208118U
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- current collector
- crane
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Abstract
The utility model discloses a novel crane PE wire, which comprises a current collector and a cable, wherein the current collector is arranged on an end beam of a crane and is arranged close to a cart track, so that a triboelectric bat in the current collector is in contact with the cart track of the crane and keeps in contact with the cart track in the cart movement process of the crane; one end of the cable is connected to the friction electric racket in the current collector, and the other end of the cable is connected to a cart body of the crane. The utility model discloses a novel hoist PE line can regard as ground connection PE line through the cart track, carries out ground connection guarantee protection to the alternating current power supply hoist, avoids current mode, increases ground connection PE line in-process below three phase current source wiping line, need have a power failure to stop production.
Description
Technical Field
The utility model relates to an engineering machine tool technical field especially relates to a novel hoist PE line.
Background
The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, in a factory building of a production enterprise, a three-phase power supply mode is adopted for an alternating current power supply crane, different types of grounding guarantee protection are adopted according to different power grids, the grounding guarantee protection conforms to relevant regulations of GB5054, and as the standard is implemented in 2011, 6 and 1 days, a PE line is probably not designed for an alternating current power supply crane power supply of the production enterprise, and the PE line needs to be added for modification of the crane power supply.
The existing processing mode is to add a PE sliding contact line below the sliding contact line of the original three-phase power supply, and because the sliding contact line is electrified under the normal working state, a new PE sliding contact line needs to be added after power failure, and the power failure of a crane means that the production of a main line needs to be stopped, and the production stop will cause huge loss, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel hoist PE line utilizes the electricity of rubbing in the current collector to clap and contacts with the cart track for the cart track carries out ground connection guarantee protection to the alternating current power supply hoist as ground connection PE line, thereby avoids current mode, increases ground connection PE line in-process below three phase current source wiping line, need have a power failure to stop production.
In order to solve the technical problem, the utility model provides a novel crane PE line, which comprises a current collector and a cable, wherein the current collector is installed on an end beam of the crane and is arranged close to a cart track, so that a triboelectric beat in the current collector is in contact with the cart track of the crane and is kept in contact with the cart track in the cart movement process of the crane; one end of the cable is connected to the friction electric racket in the current collector, and the other end of the cable is connected to a cart body of the crane.
Preferably, the triboelectric beat of the current collector is in contact with the upper surface of the cart rail.
Preferably, the current collector is installed on an end beam of the crane through a bracket, and an insulating porcelain bottle is arranged on the bracket.
Preferably, the support includes channel-section steel and fixed plate, and the one end and the channel-section steel of fixed plate are fixed, and the other end is fixed with the current collector, and the channel-section steel is fixed on hoist end beam, just insulating vase sets up between channel-section steel and fixed plate.
Preferably, an elastic telescopic rod which is vertically distributed with the current collector is arranged between the fixing plate and the current collector, the current collector is fixed with the extending end of the elastic telescopic rod, and the fixed end of the elastic telescopic rod is connected with the fixing plate.
Preferably, threaded connection has adjusting bolt on the fixed plate, and adjusting bolt's screw thread section runs through the fixed plate and connects the stiff end of elasticity telescopic link to and the stiff end of elasticity telescopic link between can rotate relatively, and threaded connection has a pair of adjusting nut who distributes in the fixed plate both sides on adjusting bolt.
Preferably, the fixed plate is provided with a fixed contact, the extending end of the elastic telescopic rod or the surface of the current collector is provided with a movable contact, the fixed contact is positioned between the movable contact and the current collector along the axial direction of the elastic telescopic rod, and the fixed contact and the movable contact are jointly connected in series with an alarm and then electrically connected with a power supply of the crane cart.
Preferably, the distance between the fixed contact and the movable contact is less than 2/3 and greater than 1/2 of the current collector's galvanic beat thickness.
The utility model discloses a hoist PE line, through being provided with the current collector, utilize the electricity of rubbing in the current collector to clap and contact with the cart track, the cooperation cable is clapped the electricity of rubbing of current collector and is carried out electric connection with the automobile body of hoist for the cart track is as the PE earth connection, carries out ground connection guarantee protection to the alternating current power supply hoist, thereby avoids current mode, increases ground connection PE line in-process below the three phase current source wiping line, need have a power failure to stop production, and then has reduced the loss.
Drawings
Fig. 1 is the structural schematic diagram of the crane PE line of the present invention.
Fig. 2 is the schematic structural diagram of the fixed contact of the PE wire of the crane of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 1 of the PE line of the crane of the present invention.
The reference numbers illustrate:
1. a current collector; 2. a cable; 3. a cart track; 4. rubbing an electric racket; 5. a support; 6. channel steel; 7. a fixing plate; 8. an insulating porcelain insulator; 9. an elastic telescopic rod; 10. adjusting the bolt; 11. adjusting the nut; 12. a fixed contact; 13. a movable contact; 14. an alarm; 15. a vertical plate; 16. u-shaped insulating plates.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the utility model provides a novel crane PE wire, which includes a current collector 1 and a cable 2, wherein the current collector 1 is installed on an end beam of the crane and is disposed close to a cart track 3, so that a triboelectric pad 4 in the current collector 1 contacts with the cart track 3 of the crane and keeps contacting with the cart track 3 during the cart movement of the crane; the one end of cable 2 is connected on the electricity of rubbing 4 in current collector 1, the other end is even on the cart automobile body of hoist, carry out electric connection through cable 2 between the electricity of rubbing 4 with current collector 1 and the cart automobile body of hoist, and make the electricity of rubbing 4 of current collector 1 follow the cart motion in-process and keep contacting with cart track 3, make cart track 3 can regard as ground connection PE line, carry out ground connection guarantee protection to the alternating current power supply hoist, in prior art, when increasing ground connection PE line, with it setting under three phase power line, lead to the rectification in-process, need have a power failure to stop production, this application need not have a power failure to stop production.
The triboelectric beat 4 of the current collector 1 is in contact with the upper surface of the cart track 3, which is an arrangement mode, and the triboelectric beat 4 of the current collector 1 is not in contact with the cart track 3 in other arrangement modes, so that a person skilled in the art can select the optimal arrangement mode according to specific situations.
Be equipped with between fixed plate 7 and the current collector 1 and be the elastic telescopic rod 9 of vertical distribution with current collector 1, current collector 1 is fixed with the end that stretches out of elastic telescopic rod 9, elastic telescopic rod 9's stiff end is connected with fixed plate 7, utilize elastic telescopic rod 9's elastic telescopic effect, drive current collector 1 along elastic telescopic rod 9's axial motion, make the electricity of rubbing on the current collector 1 clap 4 extrusion cart track 3, guarantee that current collector 1's electricity of rubbing claps 4 and last stable and contact with cart track 3, and simultaneously, 4 produce after wearing and tearing at electricity clap, elastic telescopic rod 9's elastic action, make electricity clap 4 and have the process that moves down in real time and cart track 3 keep in contact, the ground protection effect is improved.
An adjusting bolt 10 is connected on the fixed plate 7 through screw threads, the threaded section of the adjusting bolt 10 penetrates through the fixed plate 7 and is connected with the fixed end of the elastic telescopic rod 9, and can rotate relatively to the fixed end of the elastic telescopic rod 9, and the adjusting bolt 10 is in threaded connection with a pair of adjusting nuts 11 distributed on both sides of the fixed plate 7, the adjusting bolt 10 drives the fixed end of the elastic telescopic rod 9 to move relatively to the movable end, so that the spring in the elastic telescopic rod 9 is compressed, thereby increasing the elastic force and acting on the extending end of the elastic telescopic rod 9, and being matched with the triboelectric beat 4 of the current collector 1 to extrude the cart track 3, the contact effect between the triboelectric beat 4 of the current collector 1 and the cart track 3 is improved, and particularly after the triboelectric beat 4 is worn, the adjusting bolt 10 is utilized, the elastic telescopic rod 9 can be in a downward moving state integrally, and by adopting the mode, the elastic force of the elastic telescopic rod 9 on the abraded and downward-moved electric racket 4 can be kept within a proper range.
The fixed plate 7 is provided with a fixed contact 12, the extending end of the elastic telescopic rod 9 or the surface of the current collector 1 is provided with a movable contact 13, the fixed contact 12 is positioned between the movable contact 13 and the current collector 1 along the axial direction of the elastic telescopic rod 9, the fixed contact 12 and the movable contact 13 are jointly connected in series and then electrically connected with a crane cart power supply after being connected with an alarm 14, specifically, the bottom of the fixed plate 7 is connected with a vertical plate 15, a U-shaped insulating plate 16 is arranged on the vertical plate 15, the fixed contacts 12 are provided with two contacts which are oppositely arranged on two inner side surfaces of the U-shaped insulating plate 16 and have an interval smaller than the length of the movable contact 13, the two contacts are jointly connected in series with the alarm 14, when the two fixed contacts 12 are contacted with the movable contact 13, a closed loop is formed, in the mode, after the triboelectric beat 4 of the current collector 1 is worn and thinned, the current collector moves downwards, the end that stretches out of elastic telescopic rod 9 can drive movable contact 13 downstream, the degree along with rubbing 4 wearing and tearing of electricity bat is higher, movable contact 13 and fixed contact 12 between the distance is less, at this moment, the accessible sets up conventional safety interval, utilize this mode, can ensure to rub 4 wearing and tearing degrees of electricity bat before reaching extreme condition, movable contact 13 and fixed contact 12 contact, the circuit switch-on with alarm 14, alarm 14 sends the police dispatch newspaper, in order reminding the staff in time to change and rub the electricity bat 4, prevent to rub 4 wearing and tearing degrees of electricity bat and exceed safety interval, influence the ground connection guarantee effect, and simultaneously, the power supply effect of cooperation crane cart power, in this mode, alarm 14 can set up on end beam or current collector 1, it is comparatively convenient to realize.
The distance between fixed contact 12 and the movable contact 13 is less than 2/3 of the electricity of rubbing 4 thickness of current collector 1 and is greater than 1/2 of the electricity of rubbing 4 thickness of current collector 1, this mode, when the degree of rubbing 4 wearing and tearing of electricity clap is no longer than 1/2 of its thickness, movable contact 13 can not contact with fixed contact 12, alarm 14 does not send out the police dispatch newspaper, the degree of wear of rubbing 4 reaches a critical value between its thickness 1/2 and 1/3, movable contact 13 and fixed contact 12 contact, alarm 14 sends out the police dispatch newspaper, thereby can reach before the degree of wear of rubbing 4, remind the staff in time to change and rub 4, guarantee the ground connection guarantee effect to the hoist.
The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (8)
1. The novel crane PE wire is characterized by comprising a current collector and a cable, wherein the current collector is mounted on an end beam of a crane and is arranged close to a cart track, so that a triboelectric beat in the current collector is in contact with the cart track of the crane and is kept in contact with the cart track in the cart movement process of the crane; one end of the cable is connected to the friction electric racket in the current collector, and the other end of the cable is connected to a cart body of the crane.
2. The novel crane PE line as claimed in claim 1, wherein the friction pad of the current collector is in contact with the upper surface of the cart rail.
3. The novel crane PE wire as claimed in claim 1, wherein the current collector is mounted on the end beam of the crane through a bracket, and an insulating porcelain bottle is arranged on the bracket.
4. The novel crane PE wire as claimed in claim 3, wherein the bracket comprises a channel steel and a fixing plate, one end of the fixing plate is fixed to the channel steel, the other end of the fixing plate is fixed to the current collector, the channel steel is fixed to the crane end beam, and the porcelain insulator is arranged between the channel steel and the fixing plate.
5. The novel crane PE wire as claimed in claim 4, wherein an elastic telescopic rod is arranged between the fixing plate and the current collector and is vertically distributed with the current collector, the current collector is fixed to an extending end of the elastic telescopic rod, and a fixed end of the elastic telescopic rod is connected with the fixing plate.
6. The PE wire for the novel crane according to claim 5, wherein the fixing plate is threadedly connected with an adjusting bolt, a threaded section of the adjusting bolt penetrates through the fixing plate and is connected with the fixed end of the elastic telescopic rod, the threaded section of the adjusting bolt and the fixed end of the elastic telescopic rod can rotate relative to each other, and the adjusting bolt is threadedly connected with a pair of adjusting nuts distributed on two sides of the fixing plate.
7. The novel crane PE wire as claimed in claim 5, wherein the fixed plate is provided with a fixed contact, the extending end of the elastic telescopic rod or the surface of the current collector is provided with a movable contact, the fixed contact is located between the movable contact and the current collector along the axial direction of the elastic telescopic rod, and the fixed contact and the movable contact are jointly connected in series with an alarm and then electrically connected with a crane cart power supply.
8. A novel crane PE wire as claimed in claim 7, wherein the distance between the fixed contact and the movable contact is less than 2/3 and greater than 1/2 of the current collector's molar thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838354.9U CN215208118U (en) | 2021-04-22 | 2021-04-22 | Novel crane PE line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120838354.9U CN215208118U (en) | 2021-04-22 | 2021-04-22 | Novel crane PE line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215208118U true CN215208118U (en) | 2021-12-17 |
Family
ID=79450230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120838354.9U Active CN215208118U (en) | 2021-04-22 | 2021-04-22 | Novel crane PE line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215208118U (en) |
-
2021
- 2021-04-22 CN CN202120838354.9U patent/CN215208118U/en active Active
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