CN103318067A - Pneumatic self-control device of discharging door of dumper - Google Patents
Pneumatic self-control device of discharging door of dumper Download PDFInfo
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- CN103318067A CN103318067A CN2013102946827A CN201310294682A CN103318067A CN 103318067 A CN103318067 A CN 103318067A CN 2013102946827 A CN2013102946827 A CN 2013102946827A CN 201310294682 A CN201310294682 A CN 201310294682A CN 103318067 A CN103318067 A CN 103318067A
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- 238000007599 discharging Methods 0.000 title abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 230000005484 gravity Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000012467 final product Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to a pneumatic self-control device of a discharging door of a dumper. The pneumatic self-control device of the discharging door of the dumper comprises a hook body, teeth with a handle, a spring and a metal plate. The teeth with the handle can be divided into a handle portion and a tooth portion. The included angle between the handle portion and the tooth portion is an obtuse angle. One end of a hook portion of the hook body is a front portion and the other end of the hook portion of the hook body is a tail portion. Slant pulling teeth are arranged on one side of a hook body dorsal hook portion and form a tooth ditch with the hook body dorsal hook portion. The tooth ditch is meshed with the tooth portion of the teeth with the handle and moves along with the tooth portion. A first fixing plate with holes is arranged on the handle portion of the teeth with the handle or the metal plate. A second fixing plate with holes is fixed on one side of a dorsal hook portion of a hook body tail portion. At least one spring is fixed between the first fixing plate with the holes and the second fixing plate with the holes. A first round hole is formed in the tail portion of the hook body. A second round hole is formed in the joint of the tooth portion of the teeth with the handle and the handle portion. The hook body and the teeth with the handle penetrate the axis of the round holes and are fixed on the metal plate.
Description
Technical field
The present invention and dumping car field relate to dump truck discharge door specifically.
Background technology
Dumping car is the main transportation means of transportation goods material, because it has the function of automatic discharging, is extensively used in industries such as building engineering.Dumping car all comprises the compartment that an operator's compartment and that is positioned at front end is positioned at the rear end and links to each other with operator's compartment usually, and the compartment comprises that the base plate and the carriage that are positioned at the bottom, the front end-plate that is positioned at front end are positioned at the Dump gate of both sides or rear end.Consider the requirement of dumping car applying working condition, the Dump gate of dumping car needs to keep the failure-free locking state in transportation, when unloading, requires Dump gate can open unloading.
At present, the door lock mechanism of dump truck discharge door adopts two kinds of automatic controlss usually, first kind of hitch is: the carriage in the bottom, compartment is fixedly connected with a metal bar, this metal bar other end is fixedly connected with hitch, the hitch position is for can engage the Dump gate position, make by lever principle that hitch drops to the position that can open car door when carriage rises, hitch also restored together when carriage restored.This door lock mechanism is with respect to former manual locking mechanism, though can avoid when unloading, operating personal being caused danger, but still have some technical matterss.Below these technical matterss are done an elaboration:
Distance when 1, needing when mounted accurately to measure Dump gate and carriage rise and decline, and calculating its strong point, accurate each parts of captive joint are higher to accuracy requirement in this installation process again, not only waste time and energy, and require also higher to personnel's level.
2, in use, there is squeezing action power in the material in the compartment to Dump gate, and hitch hooks Dump gate, and hitch has also hooked simultaneously squeezing action power, and in long-term loading process, the metal bar of captiveing joint with hitch is easy to distortion, such as being elongated etc.Hidden danger after the distortion is following, and when unloading, intrinsic lever principle dislocation can occur and cause car door not opened, and the compartment center of gravity tilts when carriage rises, if the car door of at this time not opening will cause car to turn over goods and spill; In transit, intrinsic lever principle dislocation can occur and cause hitch and Dump gate closure not tight, trickles down material in the compartment on the way, not only contaminated environment but also influence number one.
Second kind is: a kind of L shaped hitch of shape as shown in Figure 1, horizon top at L is provided with hook portion, be used for hooking Dump gate, level at L is provided with a circular hole with vertical junction, be used for jointed shaft and torsion spring being installed and being fixed in iron plate, torsion spring is installed is for hitch is automatically reset, iron plate is for hitch being installed on the bottom, compartment; Promoting the vertical part of L, can be axially to rotate the hook that breaks away from car door down with hitch with the jointed shaft, to realize opening Dump gate.After unloading power hitch is resetted.Still there is weak point in this hitch in installation and use, when mounted, because hitch need hook Dump gate and can be open, so vertically part must extend to the Dump gate lower edge up, and the hitch installation site near the bottom surface, compartment so that hitch as far as possible near the Dump gate lower edge, but the push arm that hitch makes progress has not then had activity space; And in order to satisfy that the hitch push arm is installed and action need will be the hitch installation site to moving down, but the distance of hitch and Dump gate lower edge increases like this, and this just need or lengthen Dump gate downwards; Lengthen Dump gate and namely raise the cost, and cause its stability to reduce because having changed the initial designs structure of Dump gate; Perhaps the hitch hook portion is prolonged downwards, this has not only increased deadweight needs bigger retracing spring torsion, and reliability decrease.
Summary of the invention
The object of the present invention is to provide a kind of pneumatic self-con-tained unit of stable dump truck discharge door of being convenient to install, use.
For the technical scheme of finishing above-mentioned technical purpose employing is:
The pneumatic self-con-tained unit of dump truck discharge door comprises control hook and control setup.Wherein:
The control hook, comprise coupler body, band handle tooth, spring and metal sheet, wherein be with the handle tooth to be divided into shank and tooth portion, shank and tooth portion be angle in obtuse angle, coupler body hook portion one end is anterior, the other end is afterbody, coupler body hook portion dorsad also is provided with oblique moving tooth on one side, oblique moving tooth and coupler body hook portion dorsad form roller seating space on one side, this roller seating space meshes and follows its motion with the tooth portion of band handle tooth, shank or the metal sheet of band handle tooth are provided with first adapter plate with holes, be set with second adapter plate with holes in hook portion one side dorsad at the coupler body afterbody, fixedly have at least one with spring between first adapter plate with holes and second adapter plate with holes; The coupler body afterbody is provided with first circular hole, tooth portion and the shank junction of band handle tooth are provided with second circular hole, be provided with respectively circular hole with first circular hole and the identical size of second circular hole at the corresponding site of metal sheet, coupler body is fixed on the metal sheet by the axle that passes circular hole with band tooth handle.
For making result of use of the present invention reach best, number of springs fixing between first adapter plate with holes and second adapter plate with holes is two.
The metal sheet quantity of using is two, arranges at described coupler body and band handle tooth bilateral symmetry.
In order to make the laborsaving lever of control hook-forming, the tooth minister degree of band handle tooth is less than shank length.
Oblique moving tooth on the coupler body is positioned at the coupler body middle part.
The shank of band handle tooth angle when being rocked to the limit before swing reduces to minimum along the gravity direction symmetry in order to the distance that swings up and down that shank is invalid, thereby more laborsaving; Tooth portion before swing with the distance of coupler body less than 3 millimeters, make coupler body can be because of gravity not former thereby fall down.
For making this control hook can reach the automatic control purpose, ad hocly be equipped with one group of control setup matching used with it, comprise motorized valve, blowdown valve and branch air pump, wherein one of motorized valve by tracheae insert the brake gas cartridge and with the brake control mechanism be the parallel-connection structure of mutually noninterfere, the motorized valve switch inserts operator's compartment, the other end is connected with blowdown valve by tracheae, the quantity of the control hook of Shi Yonging is determined the model of blowdown valve as required, best usage quantity is two, blowdown valve adopts the threeway blowdown valve, respectively connect a branch air pump by a tracheae at the other two of blowdown valve, divide air pump to comprise diapire, sidewall, air bag, rosette, spring, pump rod and roof, tracheae passes diapire and links to each other with air bag, rosette is arranged at air bag by roof on one side, and pump rod is fixedly connected on rosette by roof on one side, and spring housing is loaded on pump rod, roof is provided with perforate and passes and stop rosette and spring for pump rod, and pump rod passes behind the roof with the shank of the band tooth handle of dump truck discharge gate control hook and is connected.
Motorized valve is in closed condition in transit, the control hook hooks Dump gate, and Dump gate has squeezing action power to the coupler body of this control hook, because coupler body links to each other with metal sheet, and metal sheet is difficult to distortion mutually, so it is more stable with respect to first kind of hitch of background technology to control hook; Because the shank of the band tooth handle of this control hook is following and need not add spacing between hook portion and compartment bottom, make coupler body to install near the carriage bottom plate bottom surface, coupler body and Dump gate lower edge are nearest, neither need to lengthen hook portion or lengthen Dump gate, so should stablize more and economical with materials with respect to second kind of hitch by the control hook; Oblique moving tooth on the coupler body and band handle tooth are positioned at coupler body below, and its installations is not limited by or not the compartment, be easy for installation and maintenance, and tiltedly moving tooth can more close hook portion one end so that arm of force growth, switch is more laborsaving more flexible.Band handle tooth can be designed to the laborsaving lever that shank is longer than tooth portion, opens the hook alerting ability with raising.Importantly, also coupler body being resetted when band handle tooth resets plays a driving role and to the support effect of coupler body, makes retracing spring stressed less, and indefatigability is impaired, and also to be unlikely to coupler body sagging under deadweight even spring damages, and has guaranteed the reliability of control hook.
During unloading, chaufeur is opened the motorized valve switch at operator's compartment, gas in the gas cartridge flows into air bag by motorized valve and blowdown valve, air bag is filled the volume of back expansion rosette is released, pump rod on the rosette also is pushed out, the shank of the band tooth handle of the control hook that is connected with pump rod also is pushed, the tooth portion of band handle tooth is being with tiltedly moving tooth motion, because tiltedly moving tooth is fixed on the coupler body, first circular hole of coupler body afterbody is bolted on the metal sheet, so hook portion is that the center of circle moves in a circle with the first circular hole center of circle, thereby opens hitch.Only need close motorized valve after discharging finishes, gas is discharged by blowdown valve, and various piece gets final product with the spring reset that the control hook arranges by dividing the spring in the air pump.Only need during installation the control hook is installed in the bottom, compartment, can hook Dump gate, according to the position of control hook its self-con-tained unit is installed progressively again, do not need how high technical merit to get final product.
Description of drawings
Fig. 1 is second kind of hitch shape in the background technology.
Fig. 2 is the front view in control hook when transportation of the pneumatic self-con-tained unit of dump truck discharge door of the present invention.
Front view when Fig. 3 is the control hook discharging of the pneumatic self-con-tained unit of dump truck discharge door of the present invention.
Fig. 4 is the upward view of optimum structure of the control hook of the pneumatic self-con-tained unit of dump truck discharge door of the present invention.
The transparent view that Fig. 5 is looked up by ground for the pneumatic self-con-tained unit of dump truck discharge door of the present invention.
Fig. 6 is for dividing the air pump scheme drawing.
The specific embodiment
For content of the present invention is more readily understood, be described in detail below in conjunction with accompanying drawing:
As Fig. 2, Fig. 3 and shown in Figure 4: the pneumatic self-con-tained unit of dump truck discharge door, comprise coupler body 1, band handle tooth, spring 7 and metal sheet 11, wherein be with the handle tooth to be divided into shank 2 and tooth portion 3, hook portion 10 1 ends of coupler body 1 are anterior, the other end is afterbody, coupler body 1 hook portion 10 dorsad also is provided with oblique moving tooth 6 on one side, tiltedly moving tooth 6 forms roller seating space in hook portion 10 one side dorsad with coupler body 1, this roller seating space meshes with the tooth portion 3 of band handle tooth, on the shank 2 of being with the handle tooth or metal sheet 11, also be provided with first adapter plate 8 with holes, coupler body 1 afterbody hook portion 10 dorsad is provided with on one side and fixedly has two to follow spring 7 between second adapter plate 5, the first adapter plates 8 with holes with holes and second adapter plate 5 with holes; Coupler body 1 afterbody is provided with first circular hole 4, the tooth portion 3 of band handle tooth is provided with second circular hole 9 with shank 2 junctions, metal sheet 11 is two uses together in use, be provided with respectively circular hole with first circular hole 4 and second circular hole, 9 identical sizes at the corresponding site of metal sheet 11, pass to pass again behind first circular hole on the metal sheet with bolt and pass on second metal sheet corresponding with it circular hole behind the first corresponding with it circular hole 4 or second circular hole 9 again, use the fixed by nut bolt then.
As shown in Figure 5: can reach the automatic control purpose for making this control hook, ad hocly be equipped with one group of control setup matching used with it, comprise electromagnetic valve 13, blowdown valve 14 and branch air pump 15, wherein motorized valve 13 is the bilateral motorized valve, one cross all tracheae insert brake gas cartridge 12 and with the brake control mechanism be the parallel-connection structure of mutually noninterfere, motorized valve 13 switches insert operator's compartment, another is crossed tracheae all and is connected with blowdown valve 14, the quantity of the control hook of Shi Yonging is determined the model of blowdown valve 14 as required, best usage quantity is two, blowdown valve 14 adopts the threeway blowdown valve, and is logical respectively by branch air pump 15 of a tracheae connection at blowdown valve 14 other two.
As shown in Figure 6: divide air pump to comprise diapire 16, sidewall 19, air bag 17, rosette 18, spring 20, pump rod 21 and roof 22, tracheae passes diapire 16 and links to each other with air bag 17, rosette 18 is arranged at air bag 17 by roof 22 on one side, pump rod 21 is fixedly connected on rosette 18 by roof 22 on one side, spring 20 is set on the pump rod 21, roof 22 is provided with perforate and passes and stop rosette 18 and spring 20 for pump rod 21, and pump rod 21 passes roof 22 backs and is connected with the shank 2 of the band tooth handle of dump truck discharge gate control hook.
Electromagnetic valve is in closed condition in transit, the control hook hooks Dump gate, and Dump gate has squeezing action power to the coupler body 1 of this control hook, because coupler body 1 links to each other with metal sheet 11, and metal sheet 11 is difficult to distortion mutually, so it is more stable with respect to first kind of hitch of background technology to control hook; Because the shank 2 of the band tooth handle of this control hook does not namely need to lengthen hook portion 10 or lengthens Dump gate following and need not add spacing between hook portion 10 and compartment bottom, thus should the control hook with respect to second kind of hitch stable more and economical with materials.During unloading: chaufeur is opened motorized valve 13 switches at operator's compartment, gas in the gas cartridge 12 flows into air bag 17 by motorized valve 13 and blowdown valve 14, air bag 17 is filled the volume of back expansion rosette 18 is released, pump rod 21 on the rosette 18 also is pushed out, the shank 2 of the band tooth handle of the control hook that is connected with pump rod 21 also is pushed, thereby opens hitch.Only need close motorized valve 13 after discharging finishes, gas is discharged by blowdown valve 14, and various piece resets with the spring 7 of controlling the hook setting by the spring 20 in minute air pump and gets final product.Only need during installation the control hook is installed in the bottom, compartment, can hook Dump gate, according to the position of control hook its self-con-tained unit is installed progressively again, do not need how high technical merit to get final product.
Claims (8)
1. the pneumatic self-con-tained unit of dump truck discharge door is characterized in that: comprise control hook and control setup, wherein:
The control hook comprises coupler body (1), band handle tooth, spring (7) and metal sheet (11), wherein be with the handle tooth to be divided into shank (2) and tooth portion (3), shank (2) and tooth portion (3) be angle in obtuse angle, coupler body (1) also is provided with oblique moving tooth (6) on hook portion (10) one side dorsad, tiltedly moving tooth (6) forms roller seating space in hook portion (10) one side dorsad with coupler body (1), this roller seating space meshes with the tooth portion (3) of band handle tooth, on the shank (2) of being with the handle tooth or metal sheet (11), also be provided with first adapter plate with holes (8), coupler body (1) afterbody hook portion (10) dorsad is provided with second adapter plate with holes (5) on one side, fixedly have at least one with spring (7) between first adapter plate with holes (8) and second adapter plate with holes (5), coupler body (1) afterbody is provided with first circular hole (4), the tooth portion (3) of band handle tooth is provided with second circular hole (9) with shank (2) junction, and coupler body (1) is fixed on the metal sheet (11) by the axle that passes circular hole with band tooth handle;
Comprise motorized valve (13), blowdown valve (14) and divide air pump (15) with the matching used control setup of control hook, access blowdown valve (14) was the parallel-connection structure of mutually noninterfere with the brake control mechanism after wherein motorized valve (13) picked out from brake gas cartridge (12), motorized valve (13) switch inserts operator's compartment, respectively connect air bag (17) in the branch air pump (15) by a tracheae at the other passage of blowdown valve (14), pump rod (21) is connected with the shank (2) of the band tooth handle of controlling hook.
2. the pneumatic self-con-tained unit of dump truck discharge door according to claim 1, it is characterized in that: described spring (7) is two.
3. the pneumatic self-con-tained unit of dump truck discharge door according to claim 1, it is characterized in that: described metal sheet (11) is two, arranges at described coupler body and band handle tooth bilateral symmetry.
4. the pneumatic self-con-tained unit of dump truck discharge door according to claim 1, it is characterized in that: described blowdown valve (14) is the threeway blowdown valve.
5. the pneumatic self-con-tained unit of dump truck discharge door as described in arbitrary as claim 1--3, it is characterized in that: tooth portion (3) length of described band handle tooth is less than shank (2) length.
6. the pneumatic self-con-tained unit of dump truck discharge door as described in arbitrary as claim 1--3 is characterized in that: the oblique moving tooth (6) on the described coupler body is positioned at coupler body (1) middle part.
7. the pneumatic self-con-tained unit of dump truck discharge door as described in arbitrary as claim 1--3 is characterized in that: the shank (2) of described band handle tooth before swing the angle when being rocked to the limit along the gravity direction symmetry.
8. the pneumatic self-con-tained unit of dump truck discharge door as described in arbitrary as claim 1--3 is characterized in that: the tooth portion (3) of band handle tooth before swing with the distance of coupler body (1) less than 3 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310294682.7A CN103318067B (en) | 2013-07-12 | 2013-07-12 | Dump truck discharge door pneumatic self control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310294682.7A CN103318067B (en) | 2013-07-12 | 2013-07-12 | Dump truck discharge door pneumatic self control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103318067A true CN103318067A (en) | 2013-09-25 |
| CN103318067B CN103318067B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310294682.7A Expired - Fee Related CN103318067B (en) | 2013-07-12 | 2013-07-12 | Dump truck discharge door pneumatic self control device |
Country Status (1)
| Country | Link |
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| CN (1) | CN103318067B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353764A (en) * | 2014-10-31 | 2015-02-18 | 岩土科技股份有限公司 | Fully-automatic interweaving method of underground reinforcing mesh |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5470515A (en) * | 1977-11-16 | 1979-06-06 | Shin Meiwa Ind Co Ltd | Automatic opening and closing apparatus for gate of dump truck |
| JPS5838334B2 (en) * | 1978-10-18 | 1983-08-22 | 新明和工業株式会社 | Automatic rear door opening/closing device for three-turn dump truck |
| JPS6039567B2 (en) * | 1977-10-20 | 1985-09-06 | 新明和工業株式会社 | Automatic door opening/closing device for dump trucks |
| CN2910677Y (en) * | 2006-04-11 | 2007-06-13 | 十堰普诚工贸有限公司 | Pneumatic type auxiliary lock hook system tip-truck |
| CN201300763Y (en) * | 2008-11-07 | 2009-09-02 | 赵永胜 | Compartment with compartment baffle sequence opening and closing device |
| CN201305037Y (en) * | 2008-10-23 | 2009-09-09 | 宝山钢铁股份有限公司 | Self-adsorption locking device of rear carriage door panel on tipping camion |
| CN201380771Y (en) * | 2008-11-14 | 2010-01-13 | 成华区凤凰飞天金属制品厂 | Self-discharging car rear-door automatic locking device |
| CN201592668U (en) * | 2009-08-24 | 2010-09-29 | 青特集团有限公司 | Automatic open-close device of multi-angle dump car |
| CN201646496U (en) * | 2010-05-17 | 2010-11-24 | 王忠岭 | Rollover dumper |
| CN201670148U (en) * | 2010-05-05 | 2010-12-15 | 河北宏昌天马专用车有限公司 | Locking device of rear door of dumper |
| CN202827261U (en) * | 2012-08-03 | 2013-03-27 | 东莞市永强汽车制造有限公司 | Locking device for pneumatic control of rear compartment door of dump truck |
-
2013
- 2013-07-12 CN CN201310294682.7A patent/CN103318067B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6039567B2 (en) * | 1977-10-20 | 1985-09-06 | 新明和工業株式会社 | Automatic door opening/closing device for dump trucks |
| JPS5470515A (en) * | 1977-11-16 | 1979-06-06 | Shin Meiwa Ind Co Ltd | Automatic opening and closing apparatus for gate of dump truck |
| JPS5838334B2 (en) * | 1978-10-18 | 1983-08-22 | 新明和工業株式会社 | Automatic rear door opening/closing device for three-turn dump truck |
| CN2910677Y (en) * | 2006-04-11 | 2007-06-13 | 十堰普诚工贸有限公司 | Pneumatic type auxiliary lock hook system tip-truck |
| CN201305037Y (en) * | 2008-10-23 | 2009-09-09 | 宝山钢铁股份有限公司 | Self-adsorption locking device of rear carriage door panel on tipping camion |
| CN201300763Y (en) * | 2008-11-07 | 2009-09-02 | 赵永胜 | Compartment with compartment baffle sequence opening and closing device |
| CN201380771Y (en) * | 2008-11-14 | 2010-01-13 | 成华区凤凰飞天金属制品厂 | Self-discharging car rear-door automatic locking device |
| CN201592668U (en) * | 2009-08-24 | 2010-09-29 | 青特集团有限公司 | Automatic open-close device of multi-angle dump car |
| CN201670148U (en) * | 2010-05-05 | 2010-12-15 | 河北宏昌天马专用车有限公司 | Locking device of rear door of dumper |
| CN201646496U (en) * | 2010-05-17 | 2010-11-24 | 王忠岭 | Rollover dumper |
| CN202827261U (en) * | 2012-08-03 | 2013-03-27 | 东莞市永强汽车制造有限公司 | Locking device for pneumatic control of rear compartment door of dump truck |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104353764A (en) * | 2014-10-31 | 2015-02-18 | 岩土科技股份有限公司 | Fully-automatic interweaving method of underground reinforcing mesh |
| CN104353764B (en) * | 2014-10-31 | 2016-06-22 | 岩土科技股份有限公司 | A kind of full-automatic deinterleaving method of underground reinforced net |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103318067B (en) | 2016-08-24 |
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Granted publication date: 20160824 |