CN104283078A - High tensile cable electrical transmission device for hydraulic grab bucket - Google Patents
High tensile cable electrical transmission device for hydraulic grab bucket Download PDFInfo
- Publication number
- CN104283078A CN104283078A CN201310271625.7A CN201310271625A CN104283078A CN 104283078 A CN104283078 A CN 104283078A CN 201310271625 A CN201310271625 A CN 201310271625A CN 104283078 A CN104283078 A CN 104283078A
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- CN
- China
- Prior art keywords
- cable
- electrical
- transmitting device
- grab bucket
- bears
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/226—Helicoidally wound metal wires or tapes
Abstract
The invention discloses a high tensile cable electrical transmission device for a hydraulic grab bucket, which performs electrical connection between a host machine of a decontamination machine and the hydraulic grab bucket. The high tensile cable electrical transmission device is composed of the components of: a cable (2) for performing electrical connection, a cable reel (1) on which the cable is coiled, and a waterproof electrical connecting device (3) which electrically connects the cable (2) with the hydraulic grab bucket. The difference between the high tensile cable electrical transmission device of the invention and a previous electrical transmission device of the hydraulic grab bucket is characterized in that: the cable (2) used for the device is a composite wire rope cable which is obtained through intertwisting a plurality of wire ropes outside the cable; because the wire ropes are intertwisted outside the cable (2), the wire ropes which are intertwisted outside the cable (2) effectively protects the cable, so that cable scratch does not easily occur; because the wire ropes have relatively high tensile strengths, drawing breakage of the cable (2) does not easily occur; because tensile strength of the cable is improved, a larger winding force can be applied on the cable reel (1), so that the cable (2) is pulled more tightly, and no easy sag of the cable (2) easily generates under the larger pulling force; therefore cable damage caused by hooking or squeezing of a decontamination grab bucket to the cable does not easily occur, so that the hydraulic decontamination grab bucket can operate reliably.
Description
Technical field
The invention belongs to a kind of equipment of electrical communications, relate to a kind of electrical communications device be with and the dirt cleaner of hydraulic grab carried out power electric and control signal transmission for grab bucket of removing contamination to hydraulic pressure.
Background technology
In the prior art, be furnished with hydraulic pressure remove contamination grab bucket trash, its grab bucket is generally provided with the electric equipment controlling grab bucket work, the electric equipment commonly used has the motor of hydraulic power unit, solenoid directional control valve, electromagnetic relief valve, pressure switch, control travel switch and the sensor of grab bucket opening and closing.For these electric equipments, the main frame of trash needs to carry out electric be connected, to hydraulic grab to provide electrical source of power and control signal with cable and the sealed wiring device that can be used under water with the electric equipment in grab bucket with the cable drum of drum cable.The cable tensile strength used due to prior art is relatively poor, the overcoat of Exterior cable is generally made up of the rubber or plastics of easily hanging 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 pumping plant trash rack is removed contamination grab bucket, because grab bucket will be deep into underwater operation, there is again a large amount of diversified dirts around in grab bucket, these dirts often can produce to touch with the cable being connected grab bucket and scrape and hook, cable is made easily to break or damage, after the surface of cable produces extension wound, also the sealing of cable is destroyed, water can enter in cable by the injury region of cable, cause electric leakage or the short circuit of circuit, the work of removing contamination cannot be carried out normally.In addition, because the take-up force of cable drum to bear the restriction of power by cable, its take-up force is also relatively less than normal, as easy as rolling off a log like this cause cable to be subject to current impact or dirt hook after produce lax, it is made to be easy to and remove contamination grab bucket generation hook itself or extruding, the generation caused the accident.
Summary of the invention
Based on above-mentioned prior art Problems existing, the object of the invention is to design the electrical communications device that a kind of main frame of trash and hydraulic grab can carry out reliable electric connection, described electrical communications device effectively can be protected its cable, cable is made not allow wound easy to hang and break, make cable can have larger tensile force, make cable be not easy generation at winding process to relax, be not easy to cause grab bucket of removing contamination to make cable cause damage to the hook of cable or extruding, and this electrical communications device can be sealed reliably, transmission electric under water can be adapted to, make hydraulic pressure grab bucket of removing contamination can carry out work reliably.
The object of the invention is to be achieved through the following technical solutions: the height that a kind of main frame of trash and hydraulic grab carry out the hydraulic grab be electrically connected bears cable electrical transmitting device, form by carrying out the waterproof electrical jockey that the cable of electrical communications, the cable drum of this cable that reels and this cable and hydraulic grab carry out being electrically connected, the described cable carrying 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, constitutes composite steel wire rope cable.
Outside due to this cable is stranded steel wire rope.Be stranded in Exterior cable steel wire rope effective protection is defined to cable; cable is made not allow wound easy to hang; higher intensity is born because steel wire rope has; cable is made to be not easy to break; because cable bears increasing of power; cable drum is made to allow to use larger take-up force; cable is drawn tighter; make cable under larger pulling force, be not easy generation to relax; so be also not easy to cause grab bucket of removing contamination to make cable produce damage to the hook of cable or extruding, make hydraulic pressure grab bucket of removing contamination can carry out work reliably.
Height of the present invention bears cable electrical transmitting device, described cable jacket refers to that described height bears cable outermost layer protective layer of cable before braided wires rope, this protective layer can be the extension of cable filling thing, and cable filling thing has identical material; Also can be the special layer protective layer arranged.The material of described cable jacket should have good insulation property, higher intensity and toughness, and softness also has larger elasticity, good corrosion resistance and aging-resistant performance, and has good oil resistance.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.Such as, the material of this cable jacket can be nitrile rubber, or haloflex eraser sheath material, or fiber crops fibre object processed, or 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, a good design is, this wire can be twisted together with multiply thin wire and make spiral helicine wire, so not only can increase the pliability of wire, larger elongation strain amount can be admitted of after wire can also be made stressed, when 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 cable electrical transmitting device, because the cable described in it is have the composite steel wire rope cable that height bears power, so after the take-up force of the cable drum of this cable of winding is suitably strengthened, also this cable can not be broken, cable drum of the present invention can increase to more than 1000kN to the pulling force of cable, bear the size of power according to cable, and according to the needs of 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 bearing cable electrical transmitting device due to height of the present invention has larger take-up force, therefore for ensureing the intensity of cable drum, to the drum wall of this cable drum generally with the metallic plate manufacture being not less than 2 millimeters.The scheme that comparatively should adopt is, to the drum wall of this cable drum according to the size of its take-up force, with the steel plate manufacture of 3 ~ 10 millimeters, to adapt to the larger take-up force of this cable drum.
Because cable drum has larger take-up force, cable is made to have larger tension force, produce lax under making cable be not easy the hook of dirt under the impact of current and before trash rack, make cable grab bucket of not easily being removed contamination carry out extruding and cause damage, making this height bear cable electrical transmitting device can carry out work reliably.
Height of the present invention bears cable electrical transmitting device, waterproof electrical jockey described in it can be that on described composite steel wire rope cable and hydraulic grab, electric equipment carries out the waterproof electrical plug assembly be electrically connected, and this device is made up of the waterproof sealing appliance plug and the waterproof sealing appliance socket be positioned on hydraulic grab electric equipment being positioned at described composite steel wire rope cable lower end.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 is directly transferred to hydraulic power unit in hydraulic grab fuel tank.
Height of the present invention bears cable electrical transmitting device, and waterproof electrical jockey described in it can form by being positioned at the electrical plug device of described composite steel wire rope cable lower end, waterproof junction box, connection waterproof junction box and the cable of hydraulic grab electric equipment, the sealing device of described cable.The sealing device of described cable can be the waterproof electrical plug assembly at these cable two ends; The sealing device of described cable can also be contain described Exterior cable and the closed conduit device be connected between described waterproof junction box and hydraulic grab, and the pipeline material of described plumbing installation can be metal, also can be rubber, can also be plastics.The auxiliary part that described closed conduit device comprises pipeline itself and seals pipeline.Described closed conduit device outside the cable stranded due to composite steel wire rope Exterior cable or cable, to the protection of cable, makes cable not allow wound easy to hang, improves the sealing effectiveness of this electrical communications device, improve the reliability of its work.In described waterproof junction box, can also be provided with the terminal of wiring, the convenient electric equipment to grab bucket of removing contamination carries out wiring, and can conveniently to the maintenance of grab bucket electrical system of removing contamination.Adopt the scheme of terminal box of arranging, described height bears cable and electrical source of power and control signal is first transferred to terminal box, then is transferred to the hydraulic power unit in grab bucket fuel tank by this terminal box, or is transferred to and is arranged on travel switch in grab bucket or transducer.
Height of the present invention bears cable electrical transmitting device, can arrange for a hydraulic grab and a set ofly highly bear cable electrical transmitting device, transmit power electric and control signal with a cable drum and a high cable that bears to a hydraulic grab, realize the control to grab bucket of removing contamination.
Height of the present invention bears cable electrical transmitting device, can arrange for a hydraulic grab that two covers are high bears cable electrical transmitting device, 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 grab bucket of removing contamination.The benefit of the program is, the high cable electrical transmitting device that bears of two covers is adopted to control grab bucket of removing contamination, wire head number and the diameter of unit cable can be reduced, power electric can also be transmitted with a set of high cable electrical transmitting device that bears, cable electrical transmitting device transmission of control signals is born with another set of height, the interference between power line and control line can be reduced like this, this transmission system can be worked more reliably.In addition, adopt that two covers are high bears the both sides that center line that cable electrical transmitting device grabs bucket relatively is arranged symmetrically in 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 run up and down stably and not easily produce and stressedly irregularly cause removing contamination grab bucket to occur crooked.
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 four 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 one, and this device is made up of cable drum 1, composite steel wire rope cable 2 and waterproof electrical jockey 3.Wherein, waterproof electrical jockey 3 is electrical plug devices, and it is made up of an a water pressure resistance sealing plug A and 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 in and removes contamination on the electric equipment of grab bucket, 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 unlike, 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 the steel plate manufacture that thickness is not less than 2 millimeters.This device can be used for hydraulic pressure remove contamination grab bucket and 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 two, and this device is made up of cable drum 1, composite steel wire rope cable 2 and waterproof electrical jockey 3 ~ 6.Wherein, waterproof electrical jockey comprises: the electrical plug device 3 of composite steel wire rope cable, terminal box 4, terminal box formed to the grab bucket cable 6 of fuel tank 7 and the sealing device of cable 6, and described sealing device is the electrical plug device 5 at cable 6 two ends.In the present embodiment, because waterproof electrical jockey includes terminal box 4, make the wiring of hydraulic grab and overhaul more convenient, and as grab bucket of removing contamination also is 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 three, identical with the embodiment of the present invention two described in Fig. 2 is, in the embodiment of the present invention, this device is also made up of cable drum 1, composite steel wire rope cable 2 and waterproof electrical jockey, and described waterproof electrical jockey also comprises the electrical plug device 3 of composite steel wire rope cable, terminal box 4, terminal box to the grab bucket cable 6 of fuel tank 7 and the sealing device of cable 6.Difference to be the sealing device of cable 6 be one to be included in cable 6 outside, with the closed conduit device 8 that terminal box 4 is connected with fuel tank 7.The auxiliary part that described closed conduit device 8 comprises pipeline itself and seals pipeline.The material of plumbing installation 8 pipeline 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 made up of the wire 9 in heart portion, the insulating barrier 10 of wire 9 outside, the sheath 11 of Exterior cable and the steel wire rope 12 that is stranded in Exterior cable.Multistrand rope 12 is stranded in the outside of cable cover(ing) 11 by the present invention's composite steel wire rope cable used, forms effective protection, make cable not allow wound easy to hang or break to cable.The material of this cable jacket 11 can be nitrile rubber, or haloflex eraser sheath material, or fiber crops fibre object processed, or chemical fiber thing.
Fig. 5 is the schematic diagram of embodiment four that the present invention is applied in hydraulic pressure and removes contamination in grab bucket, and the height of the hydraulic grab described in figure bears cable electrical transmitting device and is made up of cable drum 1, cable 2 and waterproof electrical plug assembly 3.Wherein, waterproof electrical plug assembly 3 is the water pressure resistance seal nipples being 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 that hydraulic oil container exports carries out opening and closing by the bucket pawl 13 of the telescopic drive hydraulic grab of oil cylinder 14, makes to remove contamination to grab bucket to realize 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 drives grab bucket of removing contamination to be elevated by steel wire rope 15, cable drum can drive removing contamination grab bucket to 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 be compounded with the protection of steel wire rope due to the outside of described cable 2, make cable be not easy to cause damage.Because hydraulic power unit both needed electrical source of power, the valve member of control signal to hydraulic power unit is needed again to control, so the cable 2 described in the present embodiment is a kind of multiconductor cables that can transmit power electric and control signal simultaneously.
Fig. 6 is the schematic diagram of embodiment five that the present invention is applied in hydraulic pressure and removes contamination in grab bucket, with the embodiment four described in Fig. 5 unlike, the hydraulic pressure of the present embodiment is removed contamination and grab bucket be have employed two covers are high bears cable electrical transmitting device, 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 jockey.Wherein, waterproof electrical jockey comprises waterproof electrical plug assembly 3, terminal box 4, the cable 6 of terminal box to hydraulic oil container, the electrical plug device 5 at cable 6 two ends of composite steel wire rope cable bottom.The hydraulic oil being arranged on the hydraulic power unit output in hydraulic oil container 7 carries out opening and closing by the bucket pawl 13 of the telescopic drive hydraulic grab of oil cylinder 14, makes to remove contamination to grab bucket to realize grabbing dirt or unloading dirty work.In the present embodiment, the described high cable 2 bearing cable electrical transmitting device of two covers is cables that a kind of outside at cable is compounded with steel wire rope, when the main frame of trash drives grab bucket of removing contamination to be elevated by steel wire rope 15, the lifting that two cable drums can drive the cable 2 of winding separately synchronous 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 is also not easy to break.Because hydraulic power unit both needed electrical source of power, the valve member of control signal to hydraulic power unit is needed again to control, two covers described in the present embodiment are high bears cable electrical transmitting device, wherein a set of may be used for transmits electrical source of power, another set ofly may be used for transmission of control signals, such power line and control signal wire not easily disturb mutually, make its work more reliable.In addition, only arrange this composite cable steel wire rope with larger tensile force to the side of grab bucket of removing contamination to be connected with grab bucket of removing contamination, its larger tensile force easily causes the deflection of grab bucket of removing contamination, if the two cover cable drums that the grab bucket center line of relatively removing contamination shown in employing Fig. 6 is in a symmetrical arrangement and two composite steel wire rope cables carry out synchronous folding and unfolding to grab bucket of removing contamination, the stressed more even of grab bucket of removing contamination can be made, make it be not easy to produce deflection, make its work more reliable.
Claims (10)
1. the height of hydraulic grab bears cable electrical transmitting device, form by carrying out the waterproof electrical jockey that the cable of electrical communications, the cable drum of this cable that reels and this cable and hydraulic grab carry out being electrically connected, the described cable carrying out electrical communications comprises: the insulating barrier of wire, wire, filler, cable jacket, the cable of electrical communications is carried out described in it is characterized in that, in the outside of its cable jacket, the stranded steel wire rope of multiply, constitutes composite steel wire rope cable.
2. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that the material of described cable jacket is a kind of rubber.
3. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that the material of described cable jacket is a kind of plastics.
4. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that the material of described cable jacket is a kind of Filament-wound Machine thing.
5. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that the wire of described composite steel wire rope cable is the wire that multiply thin wire twists together curl.
6. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that the drum wall of described cable drum is the metallic plate manufacture of more than 2 millimeters thickness.
7. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that described waterproof electrical jockey, be the electrical plug device being positioned at described composite steel wire rope cable lower end, this device is made up of with the waterproof sealing appliance socket being positioned at electric equipment on hydraulic grab the waterproof sealing appliance plug being positioned at described composite steel wire rope cable lower end.
8. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that described waterproof electrical jockey, forming by being positioned at the electrical plug device of described composite steel wire rope cable lower end, waterproof junction box, connection waterproof junction box and the cable of hydraulic grab electric equipment, the sealing device of this cable.
9. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that a hydraulic grab is arranged a set ofly highly bearing cable electrical transmitting device, 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 grab bucket of removing contamination.
10. height as claimed in claim 1 bears cable electrical transmitting device, it is characterized in that for a hydraulic grab, arrange that two covers are high bears cable electrical transmitting device, with two cable drums and two composite steel wire rope cables to a hydraulic grab common transport power electric and control signal, realize the control to grab bucket of removing contamination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310271625.7A CN104283078A (en) | 2013-07-02 | 2013-07-02 | High tensile cable electrical transmission device for hydraulic grab bucket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310271625.7A CN104283078A (en) | 2013-07-02 | 2013-07-02 | High tensile cable electrical transmission device for hydraulic grab bucket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104283078A true CN104283078A (en) | 2015-01-14 |
Family
ID=52257712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310271625.7A Pending CN104283078A (en) | 2013-07-02 | 2013-07-02 | High tensile cable electrical transmission device for hydraulic grab bucket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104283078A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201128U (en) * | 1987-03-17 | 1987-12-26 | 上海市特种基础工程研究所 | Hydraulic grab with self-contained power unit |
| CN101127255A (en) * | 2006-08-16 | 2008-02-20 | 上海电缆研究所 | Steel wire composite cable |
| CN201449797U (en) * | 2009-05-04 | 2010-05-05 | 远东电缆有限公司 | Lifting cable |
| CN201616629U (en) * | 2010-03-17 | 2010-10-27 | 北京昌日新能源科技有限公司 | Novel special junction box for solar cell component |
| CN202474743U (en) * | 2012-03-07 | 2012-10-03 | 广州华苑园艺有限公司 | Waterproof junction box |
| CN202492274U (en) * | 2011-08-11 | 2012-10-17 | 吕燕林 | Composite cable steel wire rope suspender |
| CN202544005U (en) * | 2012-04-09 | 2012-11-21 | 吕燕林 | Trash cleaning grab bucket taking vertical trash rack face and trash rack hole sidewall as guide rails |
| CN203326316U (en) * | 2013-07-02 | 2013-12-04 | 郑州华林清污起重设备有限公司 | High-bearing-pulling cable electric transmission apparatus of hydraulic grab |
-
2013
- 2013-07-02 CN CN201310271625.7A patent/CN104283078A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87201128U (en) * | 1987-03-17 | 1987-12-26 | 上海市特种基础工程研究所 | Hydraulic grab with self-contained power unit |
| CN101127255A (en) * | 2006-08-16 | 2008-02-20 | 上海电缆研究所 | Steel wire composite cable |
| CN201449797U (en) * | 2009-05-04 | 2010-05-05 | 远东电缆有限公司 | Lifting cable |
| CN201616629U (en) * | 2010-03-17 | 2010-10-27 | 北京昌日新能源科技有限公司 | Novel special junction box for solar cell component |
| CN202492274U (en) * | 2011-08-11 | 2012-10-17 | 吕燕林 | Composite cable steel wire rope suspender |
| CN202474743U (en) * | 2012-03-07 | 2012-10-03 | 广州华苑园艺有限公司 | Waterproof junction box |
| CN202544005U (en) * | 2012-04-09 | 2012-11-21 | 吕燕林 | Trash cleaning grab bucket taking vertical trash rack face and trash rack hole sidewall as guide rails |
| CN203326316U (en) * | 2013-07-02 | 2013-12-04 | 郑州华林清污起重设备有限公司 | High-bearing-pulling cable electric transmission apparatus of hydraulic grab |
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Application publication date: 20150114 |