CN203808121U - Mountain excavator with leveling, traction and support functions - Google Patents
Mountain excavator with leveling, traction and support functions Download PDFInfo
- Publication number
- CN203808121U CN203808121U CN201420103668.4U CN201420103668U CN203808121U CN 203808121 U CN203808121 U CN 203808121U CN 201420103668 U CN201420103668 U CN 201420103668U CN 203808121 U CN203808121 U CN 203808121U
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- oil cylinder
- leveling
- excavator
- hinged
- traction
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Abstract
The utility model discloses a mountain excavator with leveling, traction and support functions. The mountain excavator with the leveling, traction and support functions comprises a hydraulic bottom plate with a base and an upper mounting device arranged above the hydraulic bottom plate. The mountain excavator with the leveling, traction and support functions is characterized by further comprising a leveling mechanism, a traction mechanism and a parking support mechanism, wherein the leveling mechanism is fixed onto the base and connected with the upper mounting device for adjusting the included angle between the upper mounting device and the horizontal plane, the traction mechanism is fixed at one end of the base for dragging the mountain excavator for moving, and the parking support mechanism is arranged on the base and connected with the opposite end of the traction mechanism for fixing and supporting the mountain excavator and preventing the mountain excavator from slipping downwards or tipping back when moving on a slope. The mountain excavator with the leveling, traction and support functions can achieve safe excavation operations on a slope less than 40 degrees, safely move upwards on a slope with an incline less than 45 degrees and drags other devices or achieve self-traction.
Description
Technical field
The utility model relates to a kind of mountain region excavator, particularly a kind of mountain region excavator with leveling, traction and support function.
Background technology
In engineering construction field, the pipeline purging of pipeline, ditching adopt conventional excavator to construct conventionally, and conventional hydraulic excavator market recoverable amount is larger, apply comparatively extensive.But, along with the increase of gradient, common excavator can not meet the job requirement under this gradient, even if common excavator can make the grade, due to the restriction of angle of revolution, the efficiency of construction of excavator will greatly reduce or cannot complete digging operation at all.Conventionally in this case, can only take descending grade, repair zigzag course operation, this not only will bring a large amount of ground workss, has also seriously increased construction cost and has extended the construction period.When some national landforms protection location is forbidden gradient or repaiied zigzag course operation, conventional excavator cannot be constructed, so must undergo technological transformation to existing excavator, improves the abilities to work such as its climbing.
Utility model content
Problem to be solved in the utility model is that a kind of mountain region excavator with leveling, traction and support function is provided.
In order to address the above problem, the utility model provides one to have leveling, the mountain region excavator of traction and support function, comprise the upper assembling device that is provided with the fluid pressure underpan of pedestal and is located at described fluid pressure underpan top, also comprise be fixedly loaded on described pedestal and with described upper assembling device, be connected for regulating the levelling gear of angle between described upper assembling device and horizontal plane, be fixed on described pedestal one end for draw that the haulage gear of described mountain region excavator walking and described pedestal one end relative with described haulage gear connect for fixed support and downslide while preventing the walking of excavator Po road, described mountain region, after the parking supporting mechanism that turns over.
As preferably, described parking supporting mechanism comprise luffing arm, with the hinged rotating seat in described luffing arm one end, two for drive described luffing arm around described rotating seat rotate the oil cylinder seat, two that are respectively used to provide rotating fulcrum as each described the first oil cylinder taking the first oil cylinder of the luffing arm other end described in lifting, two and the described luffing arm other end hinged can insert in ground anchoring section to play a supporting role and for rotating respectively two the second oil cylinders of described anchoring section; One end of two described the second oil cylinders is hinged with each described anchoring section respectively, the other end is all hinged with described luffing arm, two described first oil cylinder one end are hinged with each described oil cylinder seat respectively, the other end is all hinged with described luffing arm, and wherein said rotating seat is two and is all fixedly connected on described pedestal.
As preferably, described the second oil cylinder is oil gas amplitude oil cylinder, it comprise one end be provided with the gas valve other end be provided with the first cylinder body that oil plant imports and exports and one end be positioned at described the first cylinder body also can be along the first piston bar of described the first cylinder body length direction telescopic slide, described first piston bar be provided with between gas valve and oil plant are imported and exported for isolating gas in described the first cylinder body and the block of oil plant, the other end of described first piston bar be also connected with can independent rotation described in anchoring section and/or with common the 3rd oil cylinder that rotates described anchoring section of the second oil cylinder.
As preferably, described the 3rd oil cylinder has the second cylinder body and the second piston rod, the detachable connection of the other end of the cylinder body bottom of described the 3rd oil cylinder and described first piston bar, one end of described the second piston rod and described anchoring section are hinged, and described the 3rd oil cylinder is hydraulic jack or oil gas amplitude oil cylinder; Between described the second oil cylinder and the 3rd oil cylinder, be provided with the track sliding for described the 3rd oil cylinder.
As preferably, the link of described luffing arm and described anchoring section earthward direction bending and end face is provided with support member, described anchoring section comprise have multiple gear pieces claw, be located on described claw with the hinged oil cylinder ear seat of described the second oil cylinder and the luffing arm ear seat hinged with described luffing arm, described luffing arm upper surface is provided with two and is respectively used to first bearing hinged with the other end of two described the first oil cylinders, and described luffing arm soffit is provided with two and is respectively used to second bearing hinged with the other end of two described the second oil cylinders; One end that described luffing arm is connected with described anchoring section leans out outside the excavator of described mountain region.
As preferably, described levelling gear comprises lower support body, be positioned at described lower support body top and with the hinged upper support of described lower support body and for making the leveling cyclinder of described upper support with respect to described lower support body rotation, one end of described leveling cyclinder and described upper support soffit are hinged, and the other end and described lower support body are hinged.
As preferably, two places corresponding in described lower support body top surface edge all upwards extend to form two the first articulated sections, on described upper support lower surface edge, two corresponding places all extend to form two also second articulated sections of coordination hinge corresponding to described the first position, articulated section downwards, hinged by horizontally disposed rotating shaft between described the first articulated section and the second articulated section, described leveling cyclinder is two, the corresponding both sides that are arranged on described rotating shaft respectively, described lower support body is provided with two for the hole of leveling cyclinder is installed, on described leveling cyclinder, be also provided with hydraulic pressure locking-valve.
As preferably, described haulage gear is hydraulic pressure row rope winch, it comprise be located at the support on described pedestal and be located at spool on described support, for driving hydraulic motor, the strand oscillator that spool rotates and being positioned at the reducer between described hydraulic motor and spool, described spool is located on described support by support bracket, on described spool, is full of wire rope.
As preferably, in described fluid pressure underpan, be provided with the hydraulic control system for controlling described levelling gear, haulage gear and parking supporting mechanism, described hydraulic control system is electrically connected with the electrical control system of being located in described upper assembling device.
The beneficial effect of the mountain region excavator with leveling, traction and support function of the present utility model is, its can the gradient be ramp safe below 40 ° carry out digging operation; Can be that ramp safe below 45 ° is creeped in the gradient; Can draw miscellaneous equipment also can draw voluntarily.
Brief description of the drawings
Fig. 1 is the three-dimensional structure diagram of an embodiment of the mountain region excavator with leveling, traction and support function of the present utility model.
Fig. 2 be the mountain region excavator with leveling, traction and support function of the present utility model an embodiment remove the three-dimensional structure diagram after upper assembling device.
Fig. 3 is the three-dimensional structure diagram of the levelling gear of an embodiment of the mountain region excavator with leveling, traction and support function of the present utility model.
Fig. 4 is the three-dimensional structure diagram of the parking supporting mechanism of an embodiment of the mountain region excavator with leveling, traction and support function of the present utility model.
Fig. 5 is the second oil cylinder of Fig. 4 and the sectional view of the 3rd oil cylinder.
Reference numeral:
1-fluid pressure underpan; 2-pedestal; The upper assembling device of 3-; 4-excavating gear; 5-levelling gear; 6-haulage gear; 7-parking supporting mechanism; 8-rotary table; 9-principal arm; 10-auxiliary; 11-bucket; 12-lower support body; 13-upper support; 14-leveling cyclinder; 15-the first articulated section; 16-the second articulated section; 17-rotating shaft; 18-installing hole; 19-ear seat; 20-hydraulic pressure locking-valve; 21-support; 22-spool; 23-wire rope; The large arm of 24-; 25-crossbeam; 26-rotating seat; 27-oil cylinder seat; 28-the first oil cylinder; 29-the second oil cylinder; 30-anchoring section; 31-the first bearing; 32-the second bearing; 33-claw; 34-oil cylinder ear seat; 35-luffing arm ear seat; 36-hinge hole; 37-support member; 38-gas valve; 39-oil plant is imported and exported; 40-the first cylinder body; 41-first piston bar; 42-block; 43-ring baffle; 44-the 3rd oil cylinder; 45-the second cylinder body; 46-the second piston rod; 47-track; 48-Connection Block.
Detailed description of the invention
Be described in detail of the present utility model below in conjunction with accompanying drawing.
As shown in Figure 1, the mountain region excavator with leveling, traction and support function of the present utility model, comprises the fluid pressure underpan 1 that is fixedly installed pedestal 2 and the upper assembling device 3 that is positioned at fluid pressure underpan 1 top.On this pedestal 2, be also fixedly equipped be connected with upper assembling device 3 for regulating the levelling gear 5 of angle between itself and horizontal plane, be positioned at the haulage gear 6 being fixed with on pedestal 2 one end for drawing the excavator walking of described mountain region, downslide when being connected with for fixed support and preventing the walking of excavator Po road, mountain region on pedestal 2 one end relative with haulage gear 6, after the parking supporting mechanism 7 that turns over.
Further, fluid pressure underpan 1 inside is provided with hydraulic control circuit, and pedestal 2 is one to be welded in the X-type frame on its top.Upper assembling device 3 comprises rotary table 8, excavating gear 4 and rotates the chassis that is installed on rotary table 8 bottoms, this excavating gear 4 comprises the auxiliary 10 that principal arm 9 that one end and rotary table 8 are rotationally connected and one end and principal arm 9 are hinged, and these auxiliary 10 other ends are hinged with bucket 11.In rotary table 8, be provided with electrical control system, this electrical control system and the hydraulic control circuit in fluid pressure underpan 1 are electrically connected to control the supply of hydraulic oil.
As shown in Figures 2 and 3, levelling gear 5 comprises lower support body 12, is positioned at lower support body 12 tops upper support 13 and two leveling cyclinders 14 for upper support 13 with respect to lower support body 12 rotated hinged with lower support body 12, and this leveling cyclinder 14 comprises cylinder body and piston rod.Lower support body 12 symmetrical edges, upper surface two places all upwards extend to form a first outstanding articulated section 15, upper support 13 symmetrical edges, soffit two places all upwards extend to form outstanding second articulated section 16 coordinating with the first articulated section 15, and this first articulated section 15 and the second articulated section 16 are hinged by the rotating shaft 17 of level.In lower support body 12, be axially symmetrically arranged with two in rotating shaft 17 both sides for the installing hole 18 of leveling cyclinder 14 is installed, the piston rod of two leveling cyclinders 14 is hinged with the soffit of upper support 13 through two corresponding installing holes 18 respectively, its cylinder body is all hinged with lower support body 12, specifically can ear seat 19 be set at lower support body 12 soffits.This upper support 13 is secured by bolts on the chassis of assembling device 3, and lower support body 13 is welded on the center position of pedestal 2.For guaranteeing that the upper support 13 of this levelling gear 5 rotates more steadily, angle is preferably, can on the soffit of upper support 13 and pedestal 2, respectively establish 19 of ear seat 19, two ear seats and be rotationally connected by bearing pin and two otic placodes.
Two leveling cyclinders 14 are arranged on to rotating shaft 17 both sides, can promote two leveling cyclinder 14 co-ordinations, realize bidirectional modulation rotary table 8 angles.In the time that the leveling cyclinder 14 of a side moves upward jack-up upper support 13, the leveling cyclinder 14 of opposite side moves downward to realize leveling.Preferably, on leveling cyclinder 14, can be provided with hydraulic pressure locking-valve 20, it can ensure that leveling cyclinder 14 can safety dwelling in the time adjusting upper support 13 levelness and be locked in any angle in effective levelling range.Especially in the time that mountain region excavator is constructed on the larger ramp of the gradient, 17 rotations are compared with wide-angle around the shaft for upper support 13, and now this hydraulic pressure locking-valve 20 can play locking effect, prevent that upper support 13 from sliding.
Haulage gear 6 of the present utility model is hydraulic pressure row rope winch, it comprise be located at the support 21 of pedestal 2 on the one end in excavator dead ahead, mountain region and be located at hydraulic motor on this support 21, and the hydraulic motor spool 22, the strand oscillator that are rotationally connected and be positioned at hydraulic motor and spool 22 between reducer, this spool 22 is located on support 21 by support bracket, and on it, is wound with wire rope 23.In the time that excavator is walked, hydraulic control circuit makes to drive its running to hydraulic motor fuel feeding, the spool 22 that is wound with wire rope 23 starts at the uniform velocity rotation under the acting in conjunction of hydraulic motor and reducer, and wire rope one end is protruding to reach draw under the effect of strand oscillator.
As shown in Figure 4, parking supporting mechanism 7 comprises luffing arm, rotating seat 26, oil cylinder seat 27, the first oil cylinder 28, the second oil cylinder 29, anchoring section 30, the first bearing 31 and the second bearing 32.Luffing arm is the large arm 24 that two structures connecting by two crossbeams 25 between two ends are identical and be set up in parallel, rotating seat 26 is two, and one end of being positioned at the same side with two large arms 24 is respectively hinged and be welded on the other end of pedestal 2, oil cylinder seat 27 is two, is fixedly connected with respectively with two rotating seat 26 tops, the first oil cylinder 28 is two, include cylinder body and piston rod, this first oil cylinder 28 is for driving luffing arm to rotate so that the luffing arm other end does lifting action around rotating seat 26, its cylinder body is hinged with two oil cylinder seats 27 respectively, and its piston rod is hinged with corresponding two the first bearings 31 that are arranged on luffing arm upper surface respectively, anchoring section 30 is two, it is for inserting in ground to play a supporting role, this anchoring section 30 includes the claw 33 of the gear piece with the vertical large arm 24 directions arrangements in multiple edges, be located on claw 33 with the hinged oil cylinder ear seat 34 of the second oil cylinder 29 and the luffing arm ear seat 35 hinged with large arm 24, wherein luffing arm ear seat 35 is located at the both sides of claw 33 one end, oil cylinder ear seat 34 is located on claw 33 and between luffing arm ear seat 35, and the hinge hole 36 place axis of oil cylinder ear seat 34 are higher than the hinge hole 36 place axis of luffing arm ear seat 35, the angular range that anchoring section 30 is rotated under the second oil cylinder 29 promotes is larger, for making mountain region excavator have more support force auxiliary when parking stops on ramp, special one end that two large arms 24 are connected to anchoring section 30 slowly bending respectively establish parallel to the ground having compared with the support member of large contact surface 37 in two ends of direction earthward in the present embodiment, anchoring section 30 is located at this support member 37 tops.One end that luffing arm is connected with anchoring section 30 leans out outside the excavator of mountain region.
Preferably, as shown in Figure 5, the second oil cylinder 29 is oil gas amplitude oil cylinder, it comprises that one end is provided with gas valve 38, the other end be provided with oil plant import and export the first cylinder body 40 of 39 and one end be positioned at the first cylinder body 40 also can be along the first piston bar 41 of the first cylinder body 40 length direction telescopic slide, this first piston bar 41 be provided with gas valve 38 and oil plant import and export between 39 for isolating gas in the first cylinder body 40 and the block 42 of oil plant, block 42 in the present embodiment is annulus column, it is set in first piston bar 41 ends, for avoiding its relative first piston bar 41 to slide, available nut end-blocking or first piston bar 41 is arranged to stepped, make block 42 one end and step surface butt.The gas of selecting in the present embodiment is nitrogen, also can select other gas.In addition, at the interior detachable ring baffle 43 coordinating with the block 42 of first piston bar 41 that is provided with of the first cylinder body 40, to control the coasting distance of first piston bar 41, the setting position of this ring baffle 43 can arrange by nitrogen pressure according to actual needs.
Further, mountain region excavator in the present embodiment also comprises the 3rd oil cylinder 44 with the second cylinder body 45 and the second piston rod 46, one end outside stretching out the first cylinder body 40 with first piston bar 41, the second cylinder body 45 bottoms of the 3rd oil cylinder 44 is connected by bolt and Connection Block 48, when being moved, first piston bar 41 can drive the 3rd oil cylinder 44 to move, the 3rd oil cylinder 44 can be hydraulic jack and also can be oil gas amplitude oil cylinder (in the present embodiment, the 3rd oil cylinder is hydraulic jack), also the second oil cylinder 29 and the 3rd oil cylinder 44 exchanges can be linked in sequence.Particularly, the first cylinder body 40 of the second oil cylinder 29 is hinged with two the second bearings 32 that are arranged on luffing arm soffit, and the second piston rod 46 of the 3rd oil cylinder 44 stretches out one end of the second cylinder body 45 and the oil cylinder ear seat 34 of anchoring section 30 is hinged.The effect that the 3rd oil cylinder 44 is set is for better anchoring section 30 being rotated to control, and can make the 3rd oil cylinder 44 independent operatings that anchoring section 30 is worked.When concrete operations, first nitrogen is incorporated into the interior rear locking of the first cylinder body 40 by gas valve 38, oil plant import and export 39 are connected with the fuel feeding end of the running motor of mountain region excavator, when being running motor reception oil plant, oil plant also flows to oil plant and imports and exports 39 to the second oil cylinder 29 fuel feeding, and namely the second oil cylinder 29 is interaction relation with mountain region excavator.The oil circuit for fuel feeding of the 3rd oil cylinder 44 and the oil circuit of the fuel feeding of the second oil cylinder 29 phase independence each other, can make like this 3rd oil cylinder 44 link with mountain region excavator, with the second oil cylinder 29 associated movements, also can independent operating, by making its motion drive the second oil cylinder 29 to move to the independent fuel feeding of the 3rd oil cylinder 44, thereby reach the control to anchoring section 30.In addition, for making the 3rd oil cylinder 44 sliding stabilities, can be between the second oil cylinder 29 and the 3rd oil cylinder 44 detachable set up the track 47 that at least two confessions the 3rd oil cylinder 44 slides.
Adopt the mountain region excavator with leveling, traction and support function of the present utility model, after leveling, upper assembling device 3 is 25 ° with horizontal plane angle, greatly slow down the gradient of mountain region excavator, improved reliability and the safety of its revolution action, can the gradient be ramp safe below 40 ° carry out digging operation; By assisting a ruler in governing a country of haulage gear 6 and parking supporting mechanism 7, mountain region excavator can be that ramp safe below 45 ° is creeped in the gradient, has made further to improve digging efficiency and the working range of mountain region excavator.
Above embodiment is only exemplary embodiment of the present utility model, is not used in restriction the utility model, and protection domain of the present utility model is defined by the claims.Those skilled in the art can, in essence of the present utility model and protection domain, make various amendments or be equal to replacement the utility model, this amendment or be equal to replacement and also should be considered as dropping in protection domain of the present utility model.
Claims (9)
1. one kind has leveling, the mountain region excavator of traction and support function, comprise the upper assembling device that is provided with the fluid pressure underpan of pedestal and is located at described fluid pressure underpan top, it is characterized in that, also comprise be fixedly loaded on described pedestal and with described upper assembling device, be connected for regulating the levelling gear of angle between described upper assembling device and horizontal plane, be fixed on described pedestal one end for draw that the haulage gear of described mountain region excavator walking and described pedestal one end relative with described haulage gear connect for fixed support and downslide while preventing the walking of excavator Po road, described mountain region, after the parking supporting mechanism that turns over.
2. according to claim 1 have a leveling, the mountain region excavator of traction and support function, it is characterized in that, described parking supporting mechanism comprises luffing arm, the rotating seat hinged with described luffing arm one end, two for driving described luffing arm to rotate the first oil cylinder with the luffing arm other end described in lifting around described rotating seat, two are respectively used to provide for each described the first oil cylinder the oil cylinder seat of rotating fulcrum, two with the described luffing arm other end hinged can insert in ground anchoring section to play a supporting role and for rotating respectively two the second oil cylinders of described anchoring section, one end of two described the second oil cylinders is hinged with each described anchoring section respectively, the other end is all hinged with described luffing arm, two described first oil cylinder one end are hinged with each described oil cylinder seat respectively, the other end is all hinged with described luffing arm, and wherein said rotating seat is two and is all fixedly connected on described pedestal.
3. according to claim 2 have a leveling, the mountain region excavator of traction and support function, it is characterized in that, described the second oil cylinder is oil gas amplitude oil cylinder, it comprise one end be provided with the gas valve other end be provided with the first cylinder body that oil plant imports and exports and one end be positioned at described the first cylinder body also can be along the first piston bar of described the first cylinder body length direction telescopic slide, described first piston bar be provided with between gas valve and oil plant are imported and exported for isolating gas in described the first cylinder body and the block of oil plant, the other end of described first piston bar be also connected with can independent rotation described in anchoring section and/or with common the 3rd oil cylinder that rotates described anchoring section of the second oil cylinder.
4. the mountain region excavator with leveling, traction and support function according to claim 3, it is characterized in that, described the 3rd oil cylinder has the second cylinder body and the second piston rod, the detachable connection of the other end of the cylinder body bottom of described the 3rd oil cylinder and described first piston bar, one end of described the second piston rod and described anchoring section are hinged, and described the 3rd oil cylinder is hydraulic jack or oil gas amplitude oil cylinder; Between described the second oil cylinder and the 3rd oil cylinder, be provided with the track sliding for described the 3rd oil cylinder.
5. according to claim 2 have a leveling, the mountain region excavator of traction and support function, it is characterized in that, the link of described luffing arm and described anchoring section earthward direction bending and end face is provided with support member, described anchoring section comprises the claw with multiple gear pieces, be located on described claw with the hinged oil cylinder ear seat of described the second oil cylinder and the luffing arm ear seat hinged with described luffing arm, described luffing arm upper surface is provided with two and is respectively used to first bearing hinged with the other end of two described the first oil cylinders, described luffing arm soffit is provided with two and is respectively used to second bearing hinged with the other end of two described the second oil cylinders, one end that described luffing arm is connected with described anchoring section leans out outside the excavator of described mountain region.
6. the mountain region excavator with leveling, traction and support function according to claim 1, it is characterized in that, described levelling gear comprises lower support body, be positioned at described lower support body top and with the hinged upper support of described lower support body and for making the leveling cyclinder of described upper support with respect to described lower support body rotation, one end of described leveling cyclinder and described upper support soffit are hinged, and the other end and described lower support body are hinged.
7. according to claim 6 have a leveling, the mountain region excavator of traction and support function, it is characterized in that, two places corresponding in described lower support body top surface edge all upwards extend to form two the first articulated sections, on described upper support lower surface edge, two corresponding places all extend to form two also second articulated sections of coordination hinge corresponding to described the first position, articulated section downwards, hinged by horizontally disposed rotating shaft between described the first articulated section and the second articulated section, described leveling cyclinder is two, the corresponding both sides that are arranged on described rotating shaft respectively, described lower support body is provided with two for the hole of leveling cyclinder is installed, on described leveling cyclinder, be also provided with hydraulic pressure locking-valve.
8. the mountain region excavator with leveling, traction and support function according to claim 1, it is characterized in that, described haulage gear is hydraulic pressure row rope winch, it comprise be located at the support on described pedestal and be located at spool on described support, for driving hydraulic motor, the strand oscillator that spool rotates and being positioned at the reducer between described hydraulic motor and spool, described spool is located on described support by support bracket, on described spool, is full of wire rope.
9. according to the mountain region excavator with leveling, traction and support function one of claim 1-8 Suo Shu, it is characterized in that, in described fluid pressure underpan, be provided with the hydraulic control system for controlling described levelling gear, haulage gear and parking supporting mechanism, described hydraulic control system is electrically connected with the electrical control system of being located in described upper assembling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103668.4U CN203808121U (en) | 2014-03-06 | 2014-03-06 | Mountain excavator with leveling, traction and support functions |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103668.4U CN203808121U (en) | 2014-03-06 | 2014-03-06 | Mountain excavator with leveling, traction and support functions |
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| Publication Number | Publication Date |
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| CN203808121U true CN203808121U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420103668.4U Expired - Fee Related CN203808121U (en) | 2014-03-06 | 2014-03-06 | Mountain excavator with leveling, traction and support functions |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309479A (en) * | 2014-10-23 | 2015-01-28 | 中国石油天然气集团公司 | Boosting device |
| CN104718831A (en) * | 2015-03-18 | 2015-06-24 | 重庆理工大学 | Mountain farming machinery horizontal mechanism |
| CN107380142A (en) * | 2017-07-06 | 2017-11-24 | 中建路桥集团有限公司 | A kind of position fixing apparatus in engineering truck work progress |
| CN109026048A (en) * | 2017-04-01 | 2018-12-18 | 江苏中机矿山设备有限公司 | A kind of climbing control method of high inclination-angle development machine |
-
2014
- 2014-03-06 CN CN201420103668.4U patent/CN203808121U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309479A (en) * | 2014-10-23 | 2015-01-28 | 中国石油天然气集团公司 | Boosting device |
| CN104309479B (en) * | 2014-10-23 | 2017-01-25 | 中国石油天然气集团公司 | Boosting device |
| CN104718831A (en) * | 2015-03-18 | 2015-06-24 | 重庆理工大学 | Mountain farming machinery horizontal mechanism |
| CN109026048A (en) * | 2017-04-01 | 2018-12-18 | 江苏中机矿山设备有限公司 | A kind of climbing control method of high inclination-angle development machine |
| CN107380142A (en) * | 2017-07-06 | 2017-11-24 | 中建路桥集团有限公司 | A kind of position fixing apparatus in engineering truck work progress |
| CN107380142B (en) * | 2017-07-06 | 2024-01-09 | 中建路桥集团有限公司 | Position fixing device in engineering vehicle construction process |
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Granted publication date: 20140903 Termination date: 20170306 |
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| CF01 | Termination of patent right due to non-payment of annual fee |