CN203326316U - High-bearing-pulling cable electric transmission apparatus of hydraulic grab - Google Patents
High-bearing-pulling cable electric transmission apparatus of hydraulic grab Download PDFInfo
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- CN203326316U CN203326316U CN2013203862044U CN201320386204U CN203326316U CN 203326316 U CN203326316 U CN 203326316U CN 2013203862044 U CN2013203862044 U CN 2013203862044U CN 201320386204 U CN201320386204 U CN 201320386204U CN 203326316 U CN203326316 U CN 203326316U
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Abstract
The utility model discloses a high-bearing-pulling cable electric transmission apparatus of a hydraulic grab. The apparatus is formed by a cable (2), a cable drum (1) and a waterproof electrical connecting device (3), wherein the cable (2) is used to carry out electrical transmission; the cable drum (1) winds the cable; the cable (2) and the hydraulic grab carry out electrical connection through the waterproof electrical connecting device (3). Compared to a previous electric transmission apparatus of the hydraulic grab, by using the apparatus of the utility model, the cable (2) is a composite steel wire rope cable, wherein a plurality of steel wire ropes are twisted on an external layer of the cable. Because the steel wire ropes are twisted on the external layer of the cable (2), effective protection is formed by the steel wire ropes so that the cable is not easy to be damaged. Because the steel wire ropes possess high bearing-pulling intensity, the cable (2) is not easy to be broken. Because the increase of a bearing pulling force of the cable, the cable drum (1) allows a large winding force so that the cable (2) is pulled tightly and is not easy to be loosened under the large pulling force. Therefore, the cable is not easy to be damaged by hooking or extruding of a clean-up grab to the cable and the hydraulic clean-up grab can work reliably.
Description
Technical field
The invention belongs to a kind of equipment of electrical communications, relate to carry out a kind of electrical communications device of power electric and control signal transmission on the dirt cleaner of hydraulic grab for grab bucket that hydraulic pressure is removed contamination.
Background technology
In the prior art, is furnished with the trash that hydraulic pressure is removed contamination and grabbed bucket, the upper operated by rotary motion of its grab bucket has the electric equipment of controlling grab bucket work, the electric equipment of commonly using has the motor of hydraulic power unit, solenoid directional control valve, electromagnetic relief valve, pressure switch, control travel switch and sensor that grab bucket opens and closes.For these electric equipments, the main frame of trash need to carry out electric being connected with the electric equipment in grab bucket with cable drum and the cable of drum cable and the sealed wiring device can be used under water, in order to provide electrical source of power and control signal to hydraulic grab.Because the cable tensile strength that prior art is used is relatively poor, the overcoat of cable outside is generally made by rubber or the plastics of easy extension wound, in its actual use, cable can be pulled off often or its overcoat is caused damage by the hook of other article, especially for power station, the hydraulic pressure of removing contamination before the pumping plant trash rack grab bucket of removing contamination, because grab bucket will be deep into underwater operation, there is again a large amount of diversified dirts around grab bucket, these dirts often can produce to touch with the cable that is connected grab bucket and scrape and hook, make cable easily break or damage, after the surface of cable produces the extension wound, also destroyed the sealing of cable, water can enter by the injury region of cable in cable, cause electric leakage or the short circuit of circuit, the work of removing contamination can't be carried out normally.In addition, because the take-up force of cable drum is subject to cable to bear the restriction of power, its take-up force is also relatively less than normal, after the as easy as rolling off a log like this impact that causes cable to be subject to current or dirt hook, produces lax, it is easy to and remove contamination grab bucket generation hook itself or extruding, the generation caused the accident.
Summary of the invention
The problem existed based on above-mentioned prior art, the objective of the invention is to design a kind of main frame of trash and the electrical communications device that hydraulic grab can carry out the reliable electric connection, described electrical communications device can effectively be protected its cable, make cable not allow wound easy to hang and break, make cable that larger tensile force can be arranged, make cable be not easy to produce lax at winding process, be not easy to cause the grab bucket of removing contamination to make cable cause damage to hook or the extruding of cable, and this electrical communications device can be sealed reliably, can adapt to electric transmission under water, make hydraulic pressure remove contamination the grab bucket can carry out reliably work.
The objective of the invention is to be achieved through the following technical solutions: the height of the hydraulic grab that a kind of main frame of trash and hydraulic grab are electrically connected bears the cable electrical transmitting device, the waterproof electrical connection arrangement be electrically connected by the cable drum of the cable that carries out electrical communications, this cable of reeling and this cable and hydraulic grab forms, the described cable that carries out electrical communications comprises: the insulating barrier of wire, wire, filler, cable jacket, the outside of its cable jacket the is stranded steel wire rope of multiply, formed the composite steel wire rope cable.
Steel wire rope is arranged because the outside of this cable is stranded.The steel wire rope of the cable outside that is stranded in has formed effective protection to cable; make cable not allow wound easy to hang; because steel wire rope has the higher intensity that bears; make cable be not easy to break; because cable bears increasing of power; make cable drum allow to use larger take-up force; cable is drawn tighter; make cable be not easy to produce lax under larger pulling force; so also be not easy to cause the grab bucket of removing contamination to make cable produce damage to the hook of cable or extruding, make the hydraulic pressure grab bucket of removing contamination can carry out reliably work.
Height of the present invention bears the cable electrical transmitting device, described cable jacket refers to that described height bears cable outermost layer protective layer of cable before stranded steel wire rope, this protective layer can be the extension of cable filling thing, and the cable filling thing has identical material; It can be also the special layer protective layer arranged.The material of described cable jacket should have good insulation property, higher intensity and toughness, and soft also have larger elasticity, corrosion resistance and aging-resistant performance preferably, and there is oil resistance preferably.The material of described cable jacket can be a kind of rubber; Can also be a kind of plastics; It can also be a kind of Filament-wound Machine thing.For example, the material of this cable jacket can be nitrile rubber, or haloflex eraser sheath material, or fiber crops fibre object processed, or the chemical fiber thing.
Height of the present invention is born to the wire of the composite steel wire rope cable of cable electrical transmitting device, one preferably design be, this wire can be twisted together and make spiral helicine wire with the multiply thin wire, so not only can increase the pliability of wire, can admit of larger elongation strain amount after can also making wire stressed, when the composite steel wire rope cable bears larger pulling force generation elongation strain, described wire easily produces corresponding distortion and is unlikely to cause damage.
Height of the present invention bears the cable electrical transmitting device, because its described cable is to have the composite steel wire rope cable that height bears power, after so will reel, the take-up force of the cable drum of this cable suitably strengthens, this cable can not broken yet, more than cable drum of the present invention can increase to 1000kN to the pulling force of cable, bear the size of power according to cable, and according to the needs of the actual operating mode of removing contamination, described cable drum to the pulling force of cable can increase to thousands of thousand Ns even larger.
The cable drum that bears the cable electrical transmitting device due to height of the present invention has larger take-up force, therefore for guaranteeing the intensity of cable drum, to the general metallic plate manufacture with being not less than 2 millimeters of drum wall of this cable drum.The scheme that should adopt is, the size to the drum wall of this cable drum according to its take-up force, with the steel plate manufacture of 3～10 millimeters, to adapt to the take-up force that this cable drum is larger.
Because cable drum has larger take-up force, make cable there is larger tension force, cable is not easy under the impact of current and trash rack before produce under the hook of dirt lax, make cable be difficult for being removed contamination grabbing bucket to push and cause damage, make this height bear the cable electrical transmitting device and can carry out reliably work.
Height of the present invention bears the cable electrical transmitting device, its described waterproof electrical connection arrangement can be the waterproof electrical plug device that on described composite steel wire rope cable and hydraulic grab, electric equipment is electrically connected, and this device is comprised of the waterproof sealing appliance plug that is positioned at described composite steel wire rope cable lower end and the waterproof sealing appliance socket be positioned on the hydraulic grab electric equipment.General described waterproof sealing appliance socket is installed on the fuel tank of hydraulic grab, and now described height bears cable and directly electrical source of power and control signal directly is transferred to the hydraulic power unit in the hydraulic grab fuel tank.
Height of the present invention bears the cable electrical transmitting device, and its described waterproof electrical connection arrangement can be comprised of the cable of the electrical plug device that is positioned at described composite steel wire rope cable lower end, waterproof junction box, connection waterproof junction box and hydraulic grab electric equipment, the sealing device of described cable.The sealing device of described cable can be the waterproof electrical plug device at these cable two ends; The sealing device of described cable can also be contain described cable outside and be connected to the closed conduit device between described waterproof junction box and hydraulic grab, and the pipeline material of described plumbing installation can be metal, can be also rubber, can also be plastics.Described closed conduit device comprises pipeline itself and the auxiliary part that pipeline is sealed.Due to the outside stranded cable of composite steel wire rope cable or the outer described closed conduit device of cable, to the protection of cable, make cable not allow wound easy to hang, improved the sealing effectiveness of this electrical communications device, improved the reliability of its work.In described waterproof junction box, can also be provided with the terminal of wiring, the convenient electric equipment to the grab bucket of removing contamination carries out wiring, and the maintenance of the electrical system of can conveniently grabbing bucket to removing contamination.Employing arranges the scheme of terminal box, and described height bears cable electrical source of power and control signal first are transferred to terminal box, then is transferred to the hydraulic power unit in the grab bucket fuel tank by this terminal box, or is transferred to travel switch or the transducer be arranged in grab bucket.
Height of the present invention bears the cable electrical transmitting device, for a hydraulic grab, a set of high cable electrical transmitting device that bears can be set, transmit power electric and control signal with a cable drum and a high cable that bears to a hydraulic grab, realize the control to the grab bucket of removing contamination.
Height of the present invention bears the cable electrical transmitting device, for a hydraulic grab, the high cable electrical transmitting device that bears of two covers can be set, transmit electrical source of power and control signal with two cable drums and two high cables that bear to a hydraulic grab, realize the control to the grab bucket of removing contamination.The benefit of this scheme is, adopt the high cable electrical transmitting device that bears of two covers to be controlled the grab bucket of removing contamination, can reduce wire head number and the diameter of unit cable, can also transmit power electric with a set of high cable electrical transmitting device that bears, bear cable electrical transmitting device transmission of control signals with another set of height, can reduce the interference between power line and control line like this, this transmission system can be worked more reliably.In addition, adopt the high center line that bears the relative grab bucket of cable electrical transmitting device of two covers to be arranged symmetrically in the both sides of grab bucket, making to remove contamination grab bucket the stressed of both sides can be even, and the grab bucket that makes to remove contamination can move up and down stably and be difficult for produce and stressedly irregularly to cause removing contamination grab bucket to occur crooked.
The accompanying drawing explanation
Fig. 1. the structural representation of the embodiment of the present invention one.
Fig. 2. the structural representation of the embodiment of the present invention two.
Fig. 3. the structural representation of the embodiment of the present invention three.
Fig. 4. the cross-sectional view of a kind of composite cable steel wire rope section that the present invention is used.
Fig. 5. the present invention is applied in the schematic diagram of embodiment tetra-that hydraulic pressure is removed contamination in grab bucket.
Fig. 6. the present invention is applied in the schematic diagram of embodiment five that hydraulic pressure is removed contamination in grab bucket.
Embodiment
Fig. 1 is the schematic diagram that the height of hydraulic grab of the present invention bears cable electrical transmitting device embodiment mono-, and this device is comprised of cable drum 1, composite steel wire rope cable 2 and waterproof electrical connection arrangement 3.Wherein, waterproof electrical connection arrangement 3 is electrical plug devices, and it is comprised of a water pressure resistance sealing plug A and a water pressure resistance seal socket B.Wherein water pressure resistance sealing plug A is connected to the end of cable 2, and water pressure resistance seal socket B is installed on the electric equipment of the grab bucket of removing contamination, and generally this water pressure resistance seal socket B is installed on the fuel tank of hydraulic grab, is provided with hydraulic power unit in fuel tank.With the hydraulic pressure of prior art remove contamination grab bucket electrical communications device different be, described cable 2 is cables that a kind of outside at cable is compounded with steel wire rope, described cable drum 1 can have larger take-up force than the cable drum of prior art, and the drum wall of described cable drum is that thickness is not less than the steel plate manufacture of 2 millimeters.This device can be used for hydraulic pressure remove contamination the grab bucket and the trash main frame between carry out electric connection.
Fig. 2 is the schematic diagram that the height of hydraulic grab of the present invention bears cable electrical transmitting device embodiment bis-, and this device is comprised of cable drum 1, composite steel wire rope cable 2 and waterproof electrical connection arrangement 3～6.Wherein, the waterproof electrical connection arrangement comprises: the electrical plug device 3 of composite steel wire rope cable, terminal box 4, terminal box form to the cable 6 of grab bucket fuel tank 7 and the sealing device of cable 6, the electrical plug device 5 that described sealing device is cable 6 two ends.In the present embodiment, because the waterproof electrical connection arrangement has comprised terminal box 4, make wiring and the maintenance of hydraulic grab more convenient, and, as in the grab bucket of removing contamination, also be provided with travel switch or transducer, these electric equipments can carry out electric connection easily by terminal box 4.
Fig. 3 is the schematic diagram that the height of hydraulic grab of the present invention bears cable electrical transmitting device embodiment tri-, identical with the described embodiment of the present invention two of Fig. 2 is, in the embodiment of the present invention, this device also is comprised of cable drum 1, composite steel wire rope cable 2 and waterproof electrical connection arrangement, and described waterproof electrical connection arrangement also comprises that electrical plug device 3, terminal box 4, the terminal box of composite steel wire rope cable arrive the cable 6 of grab bucket fuel tank 7 and the sealing device of cable 6.Difference is that the sealing device of cable 6 is one and is included in cable 6 outsides, the closed conduit device 8 be connected with fuel tank 7 with terminal box 4.Described closed conduit device 8 comprises pipeline itself and the auxiliary part that pipeline is sealed.The material of plumbing installation 8 pipelines can be metal, also can be plastics, can also be rubber.
Fig. 4 is the schematic diagram of the present invention's a kind of composite cable steel wire rope section used, and this cable is comprised of the sheath 11 of the insulating barrier 10 of the wire 9 of heart section, wire 9 outsides, cable outside and the steel wire rope 12 that is stranded in the cable outside.The present invention's composite steel wire rope cable used is stranded in multistrand rope 12 outside of cable cover(ing) 11, and cable is formed to effective protection, makes cable not allow wound easy to hang or break.The material of this cable jacket 11 can be nitrile rubber, or haloflex eraser sheath material, or fiber crops fibre object processed, or the chemical fiber thing.
Fig. 5 is that the present invention is applied in the schematic diagram of embodiment tetra-that hydraulic pressure is removed contamination in grab bucket, and the height of the hydraulic grab described in figure bears the cable electrical transmitting device and is comprised of cable drum 1, cable 2 and waterproof electrical plug device 3.Wherein, waterproof electrical plug device 3 is water pressure resistance seal nipples that are positioned at composite steel wire rope cable lower end, and is arranged on the electrical outlets of grab bucket fuel tank 7.Hydraulic power unit is arranged in hydraulic oil container 7, and the hydraulic oil of hydraulic oil container output is opened and closed by the bucket pawl 13 of the telescopic drive hydraulic grab of oil cylinder 14, and the grab bucket that makes to remove contamination realizes grabbing dirt or unloading dirty work.In the present embodiment, described cable 2 is cables that a kind of outside at cable is compounded with steel wire rope, and when the main frame of trash is removed contamination the grab bucket lifting by steel wire rope 15 drives, cable drum can drive removing contamination grab bucket and carry out synchronous lifting.The process of cable lifting, cable be easy to trash rack before dirt or trash rack produce hook or touch and scrape, but, because the outside of described cable 2 is compounded with the protection of steel wire rope, make cable be not easy to cause damage.Because hydraulic power unit had both needed electrical source of power, need again control signal to be controlled the valve member of hydraulic power unit, so the described cable 2 of the present embodiment is a kind of multiconductor cables that can transmit power electric and control signal simultaneously.
Fig. 6 is that the present invention is applied in the schematic diagram of embodiment five that hydraulic pressure is removed contamination in grab bucket, different with the described embodiment tetra-of Fig. 5 is, the hydraulic pressure of the present embodiment has adopted the high cable electrical transmitting device that bears of two covers on removing contamination and grabbing bucket, the high cable electrical transmitting device that bears of two covers of the hydraulic grab described in figure includes cable drum 1, composite steel wire rope cable 2, and comprises shared a set of waterproof electrical connection arrangement.Wherein, the waterproof electrical connection arrangement comprises that waterproof electrical plug device 3, terminal box 4, the terminal box of composite steel wire rope cable bottom arrive the cable 6 of hydraulic oil container, the electrical plug device 5 at cable 6 two ends.The hydraulic oil that is arranged on the hydraulic power unit output in hydraulic oil container 7 is opened and closed by the bucket pawl 13 of the telescopic drive hydraulic grab of oil cylinder 14, and the grab bucket that makes to remove contamination realizes grabbing dirt or unloading dirty work.In the present embodiment, the high cable 2 that bears the cable electrical transmitting device of described two cover is cables that a kind of outside at cable is compounded with steel wire rope, when the main frame of trash is removed contamination the grab bucket lifting by steel wire rope 15 drives, two cable drums can drive the synchronous lifting of cable 2 of reeling separately simultaneously.The outside of described cable 2 is compounded with the protection of steel wire rope, make the surface of cable be not easy to cause damage, and cable also is not easy to break.Because hydraulic power unit had both needed electrical source of power, need again control signal to be controlled the valve member of hydraulic power unit, the high cable electrical transmitting device that bears of described two cover of the present embodiment, wherein a set of can be for transmitting electrical source of power, another set of can be for transmission of control signals, power line and control signal wire are difficult for the phase mutual interference like this, make its work more reliable.In addition, one side of only grabbing bucket to removing contamination arranges this composite cable steel wire rope with larger tensile force and is connected with the grab bucket of removing contamination, its larger tensile force easily causes the deflection of the grab bucket of removing contamination, if two cover cable drums and two composite steel wire rope cables that the grab bucket center line of relatively removing contamination shown in employing Fig. 6 is in a symmetrical arrangement carry out synchronous folding and unfolding to the grab bucket of removing contamination, can make the stressed more even of grab bucket of removing contamination, make it be not easy to produce deflection, make its work more reliable.
Claims (10)
1. the height of hydraulic grab bears the cable electrical transmitting device, the waterproof electrical connection arrangement be electrically connected by the cable drum of the cable that carries out electrical communications, this cable of reeling and this cable and hydraulic grab forms, the described cable that carries out electrical communications comprises: the insulating barrier of wire, wire, filler, cable jacket, it is characterized in that the described cable that carries out electrical communications, in the outside of its cable jacket, the stranded steel wire rope of multiply, formed the composite steel wire rope cable.
2. height as claimed in claim 1 bears the cable electrical transmitting device, and the material that it is characterized in that described cable jacket is a kind of rubber.
3. height as claimed in claim 1 bears the cable electrical transmitting device, and the material that it is characterized in that described cable jacket is a kind of plastics.
4. height as claimed in claim 1 bears the cable electrical transmitting device, and the material that it is characterized in that described cable jacket is a kind of Filament-wound Machine thing.
5. height as claimed in claim 1 bears the cable electrical transmitting device, and the wire that it is characterized in that described composite steel wire rope cable is the wire that the multiply thin wire twists together curl.
6. height as claimed in claim 1 bears the cable electrical transmitting device, the metallic plate manufacture that the drum wall that it is characterized in that described cable drum is thickness more than 2 millimeters.
7. height as claimed in claim 1 bears the cable electrical transmitting device, it is characterized in that described waterproof electrical connection arrangement, be the electrical plug device that is positioned at described composite steel wire rope cable lower end, this device is comprised of the waterproof sealing appliance plug that is positioned at described composite steel wire rope cable lower end and the waterproof sealing appliance socket that is positioned at electric equipment on hydraulic grab.
8. height as claimed in claim 1 bears the cable electrical transmitting device, it is characterized in that described waterproof electrical connection arrangement, formed by the cable of the electrical plug device that is positioned at described composite steel wire rope cable lower end, waterproof junction box, connection waterproof junction box and hydraulic grab electric equipment, the sealing device of this cable.
9. height as claimed in claim 1 bears the cable electrical transmitting device, it is characterized in that, for a hydraulic grab, a set of high cable electrical transmitting device that bears is set, transmit electrical source of power and control signal with a cable drum and a composite steel wire rope cable to a hydraulic grab, realize the control to the grab bucket of removing contamination.
10. height as claimed in claim 1 bears the cable electrical transmitting device, it is characterized in that for a hydraulic grab, the high cable electrical transmitting device that bears of two covers is set, jointly transmit power electric and control signal with two cable drums and two composite steel wire rope cables to a hydraulic grab, realize the control to the grab bucket of removing contamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203862044U CN203326316U (en) | 2013-07-02 | 2013-07-02 | High-bearing-pulling cable electric transmission apparatus of hydraulic grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203862044U CN203326316U (en) | 2013-07-02 | 2013-07-02 | High-bearing-pulling cable electric transmission apparatus of hydraulic grab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203326316U true CN203326316U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203862044U Expired - Lifetime CN203326316U (en) | 2013-07-02 | 2013-07-02 | High-bearing-pulling cable electric transmission apparatus of hydraulic grab |
Country Status (1)
| Country | Link |
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| CN (1) | CN203326316U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283078A (en) * | 2013-07-02 | 2015-01-14 | 郑州华林清污起重设备有限公司 | High tensile cable electrical transmission device for hydraulic grab bucket |
-
2013
- 2013-07-02 CN CN2013203862044U patent/CN203326316U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283078A (en) * | 2013-07-02 | 2015-01-14 | 郑州华林清污起重设备有限公司 | High tensile cable electrical transmission device for hydraulic grab bucket |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
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| CX01 | Expiry of patent term |