CN203741811U - Roadbed tamper - Google Patents
Roadbed tamper Download PDFInfo
- Publication number
- CN203741811U CN203741811U CN201420061703.0U CN201420061703U CN203741811U CN 203741811 U CN203741811 U CN 203741811U CN 201420061703 U CN201420061703 U CN 201420061703U CN 203741811 U CN203741811 U CN 203741811U
- Authority
- CN
- China
- Prior art keywords
- hammer
- transverse axis
- wheel type
- ram
- type traveling
- 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.)
- Expired - Fee Related
Links
Landscapes
- Road Repair (AREA)
Abstract
The utility model discloses a roadbed tamper. The roadbed tamper comprises a wheel type walking mechanism and a tamping mechanism. The tamping mechanism is fixed on the back portion of the wheel type walking mechanism through a machine frame arranged on the wheel type walking mechanism. The tamping mechanism is composed of a tamping frame and a tamping hammer. A power output shaft of the wheel type walking mechanism is connected with a speed changing box. An output shaft of the speed changing box drives the tamping hammer to move up and down along the tamping frame through a transmission mechanism. The tamping hammer is composed of a balancing weight on the upper portion and a hammer body on the lower portion, wherein the hammer body is perpendicular to the balancing weight, the hammer body is of a cuboid structure or a structure with a cuboid upper portion and a semi-cylindrical lower portion. The roadbed tamper is reasonable in structural design, convenient to operate, good in using effect, easy and convenient to maintain, low in failure rate, capable of carrying out tamping in advancing or carrying out point continuous tamping and high in working efficiency, and the number of times of backfilling is reduced.
Description
Technical field
The utility model belongs to the ballast consolidating machine technical field of building or the aspect of building the road, and especially relates to a kind of roadbed rammer compacter.
Background technology
Along with the continuous construction of national road network, high-fill roadbed is increasing gradually.Through the erosion of half a year and the impact of above traffic load and rainwater, there is roadbed longitudinal crack, roadbed entirety or local subsidence and slope and land slide phenomenon in many high-fill roadbeds, not only affects the attractive in appearance of road, and can have traffic safety hidden danger.Therefore, do high-fill roadbed construction process control well particularly important.At present, roadbed filling adopts a cubic metre of earth and stone back-filling in layers, smooth, and still, existing road roller rolls every layer of loose laying depth only 0.2～0.3m, backfill thinner thickness, and thick embankment cannot compacting, and reinforcement road roller in earth's surface cannot be competent at; Can not carry on the back narrow and small landform etc. to ground, roadbed or end of the bridge, culvert two side stages and locate to carry out reinforcement compacting.The rammer compacter of domestic current employing generally by small-sizedly rolling, driven by walking tractor, the hammer ram of rammer compacter moves up and down to tamp ground ramming in frame, hammer ram bottom surface is flat and area is limited, complex operation, inefficiency.
Summary of the invention
For addressing the above problem, the purpose of this utility model is to provide a kind of simple in structure, easy to operate roadbed rammer compacter.
For achieving the above object, the utility model adopts following technical scheme:
The roadbed rammer compacter of the first structure, it comprises wheel type traveling mechanism and reinforcement mechanism, reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, the power output shaft of wheel type traveling mechanism connects gearbox, the output shaft of gearbox drives hammer ram to move up and down along ramming frame by transmission mechanism, hammer ram by the balancing weight on top and bottom with it vertical hammer body form, hammer body is that rectangular structure or top are that cuboid bottom is the structure of semicylinder.
Further, the rammer frame of above-mentioned reinforcement mechanism comprises two parallel slideways that vertically arrange, the first transverse axis, the second transverse axis is separately positioned on two slideways, bottom and between two slideways, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the first transverse axis, on the second transverse axis, be arranged with a ring chain, on ring chain, be provided with two hooks, the balancing weight bilateral symmetry of hammer ram is provided with slide block, slide block is slidably matched with the slideway that rams frame, balancing weight top is provided with two gripper shoes, hammer ram has hook and two states that break off relations via two hooks on gripper shoe and ring chain.
Further, between above-mentioned balancing weight both sides and hammer body end face, be provided with reinforcing rib.
Further, on the second above-mentioned transverse axis, be provided with the stopping means that limits hammer ram position.
Further, above-mentioned balancing weight is adjusted bolt by front and rear by several and is connected to form, and slide block, gripper shoe are all arranged on the front portion of balancing weight.
The roadbed rammer compacter of the second structure, it comprises wheel type traveling mechanism and reinforcement mechanism, reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, the power output shaft of wheel type traveling mechanism connects gearbox, the output shaft of gearbox drives hammer ram to move up and down along ramming frame by transmission mechanism, hammer ram by the balancing weight on top and bottom with it vertical hammer body form, hammer body is to be that cuboid bottom is the structure of semicylinder by T shape main ram body with rectangular structure or top that point hammer body that lays respectively at T shape main ram body both sides connects to form by alignment pin.
Further, between above-mentioned point hammer body end face and T shape main ram body, there is the gap of 0～20cm, between point hammer body side and T shape main ram body, there is the gap of 1cm.
Further, the rammer frame of above-mentioned reinforcement mechanism comprises two parallel slideways that vertically arrange, the first transverse axis, the second transverse axis is separately positioned on two slideways, bottom and between two slideways, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the first transverse axis, on the second transverse axis, be arranged with a ring chain, on ring chain, be provided with two hooks, the balancing weight bilateral symmetry of hammer ram is provided with slide block, slide block is slidably matched with the slideway that rams frame, balancing weight top is provided with two gripper shoes, hammer ram has hook and two states that break off relations via two hooks on gripper shoe and ring chain.
Further, between above-mentioned balancing weight both sides and hammer body end face, be provided with reinforcing rib.
Further, on the second above-mentioned transverse axis, be provided with the stopping means that limits hammer ram position.
Further, above-mentioned balancing weight is adjusted bolt by front and rear by several and is connected to form, and slide block, gripper shoe are all arranged on the front portion of balancing weight.
The roadbed rammer compacter of the third structure, it comprises wheel type traveling mechanism and reinforcement mechanism, reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, hammer ram structure in the roadbed rammer compacter of the structure of hammer ram and above-mentioned two kinds of structures is identical, ram frame and comprise two parallel slideways that vertically arrange, the second transverse axis is arranged on two slideway bottoms and between two slideways, outside two slideways, middle and lower part is provided with the 3rd transverse axis, the 3rd transverse axis is positioned at the second transverse axis top, the power output shaft of wheel type traveling mechanism connects gearbox, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the 3rd transverse axis and the second transverse axis are by another group sprocket wheel, chain connects, on the 3rd transverse axis, a disk is installed, on disk, be provided with a bearing pin, hammer ram has hook and two states that break off relations via the bearing pin on gripper shoe and disk.
Further, on the second above-mentioned transverse axis, be provided with the stopping means that limits hammer ram position.
Owing to adopting technical scheme as above, the utlity model has following superiority:
This roadbed rammer compacter, its reasonable in design, easy to operate, result of use is good, easy maintenance, failure rate is low, can be in the middle compacting of advancing, or the compacting continuously of working at a selected spot, it is that cuboid bottom is the structure of semicylinder that hammer body adopts cuboid or top, the disposable scope that can tamp 0.5～1m, and effect of depth can reach 1～6m, operating efficiency is high, reduces backfill number of times; It is that cuboid bottom is the structure of semicylinder with rectangular structure or top that point hammer body that lays respectively at T shape main ram body both sides connects to form by bearing pin that hammer body adopts by T shape main ram body, by the gap between T shape main ram body and point hammer body, can realize electrodeless adjustment, can Automatic Levelling according to hypsography while landing, affect little on wheel type traveling mechanism, frame, contact area is little, and pressure distribution is even, and adaptive surface is large.
Brief description of the drawings
Fig. 1 is the structural front view of one of the utility model roadbed rammer compacter embodiment;
Fig. 2 is the structure right view of Fig. 1;
Fig. 3 is two the structural front view of the utility model roadbed rammer compacter embodiment;
Fig. 4 is the structure right view of Fig. 3;
Fig. 5 is three the structural representation of the utility model roadbed rammer compacter embodiment;
In figure: 1-wheel type traveling mechanism; 2-frame; 3-slideway; 4-balancing weight; 5-hammer body; 6-the first transverse axis; 7-ring chain; 8-hook; 9-gripper shoe; 10-reinforcing rib; 11-disk; 12-bearing pin; 5.1-cuboid; 5.2-semicylinder; 5.3-alignment pin; 5.4-divides hammer body; 5.5-T shape main ram body.
Detailed description of the invention
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
Embodiment 1
As Fig. 1, shown in 2, this roadbed rammer compacter, it comprises wheel type traveling mechanism 1 and reinforcement mechanism, reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame 2 arranging on wheel type traveling mechanism, the power output shaft of wheel type traveling mechanism connects gearbox, reinforcement mechanism is by ramming frame and hammer ram forms, ram frame and comprise two parallel slideways 3 that vertically arrange, the first transverse axis 6, the second transverse axis is separately positioned on two slideways, bottom and between two slideways, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the first transverse axis, on the second transverse axis, be arranged with a ring chain 7, on ring chain, be provided with two hooks 8, be respectively the first hook, the second hook, hammer ram by the balancing weight 4 on top and bottom with it vertical hammer body 5 form, hammer body top is that cuboid 5.1 bottoms are semicylinder 5.2, the balancing weight bilateral symmetry of hammer ram is provided with slide block, slide block is slidably matched with the slideway that rams frame, balancing weight top is provided with two gripper shoes 9, hammer ram has hook and two states that break off relations via gripper shoe and above-mentioned two hooks.
The course of work of the utility model roadbed rammer compacter: switch on power, the power output shaft of wheel type traveling mechanism rotates and passes through sprocket wheel chain drive via gearbox, drive the second transverse axis to rotate, and then drive ring chain to rotate, the gripper shoe of hooking hammer ram by the first hook in ring chain rotation process is mentioned hammer ram, arrive after certain altitude, the first hook separates with hammer ram, hammer ram freely falling body is rammed ground, the gripper shoe of then hooking hammer ram by the second hook is mentioned hammer ram again, arrive after certain altitude, the second hook separates with hammer ram, hammer ram freely falling body is rammed ground, go round and begin again and ram continuously ground.
Embodiment 2
As Fig. 3, shown in 4, this roadbed rammer compacter, it comprises wheel type traveling mechanism 1 and reinforcement mechanism, reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame 2 arranging on wheel type traveling mechanism, the power output shaft of wheel type traveling mechanism connects gearbox, reinforcement mechanism is by ramming frame and hammer ram forms, ram frame and comprise two parallel slideways 3 that vertically arrange, the first transverse axis 6, the second transverse axis is separately positioned on two slideways, bottom and between two slideways, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the first transverse axis, on the second transverse axis, be arranged with a ring chain 7, on ring chain, be provided with two hooks 8, be respectively the first hook, the second hook, hammer ram by the balancing weight 4 on top and bottom with it vertical hammer body form, hammer body is to be that cuboid bottom is the structure of semicylinder by T shape main ram body 5.5 with the top that point hammer body 5.4 that lays respectively at T shape main ram body both sides connects to form by alignment pin 5.3, the balancing weight bilateral symmetry of hammer ram is provided with slide block, slide block is slidably matched with the slideway that rams frame, balancing weight top is provided with two gripper shoes 9, hammer ram has hook and two states that break off relations via gripper shoe and above-mentioned two hooks.
Between above-mentioned point hammer body 5.4 end faces and T shape main ram body 5.5, there is the gap of 0～20cm, between point hammer body side and T shape main ram body, there is the gap of 1cm.
The course of work of the utility model roadbed rammer compacter: switch on power, between there is 0～20cm gap rotate and via gearbox by sprocket wheel chain drive, drive the second transverse axis to rotate, and then drive ring chain to rotate, the gripper shoe of hooking hammer ram by the first hook in ring chain rotation process is mentioned hammer ram, arrive after certain altitude, the first hook separates with hammer ram, hammer ram freely falling body is rammed ground, the gripper shoe of then hooking hammer ram by the second hook is mentioned hammer ram again, arrive after certain altitude, the second hook separates with hammer ram, hammer ram freely falling body is rammed ground, go round and begin again and ram continuously ground.
Roadbed rammer compacter in above-described embodiment 1,2, is provided with reinforcing rib 10 between its balancing weight both sides and hammer body end face; On the second transverse axis, be provided with and limit the stopping means of hammer ram position, make hammer ram in off working state in unsettled, do not contact with ground; The minimum travel speed of drive motors of wheel type traveling mechanism is in 0.5 kilometer/hour; The height that hammer ram is mentioned by hook is 0.5～2m.
The utility model roadbed rammer compacter, its balancing weight also can be adjusted bolt by several by front and rear and connect to form, slide block, gripper shoe are all arranged on the front portion of balancing weight, by the adjustment to balancing weight front and rear portions link position, can change the hoisting depth of hammer ram.
Roadbed rammer compacter in above-described embodiment 1, its hammer body also can be rectangular structure; Roadbed rammer compacter in embodiment 2, its hammer body can be also the rectangular structure being connected to form by bearing pin 5.3 by T shape main ram body 5.5 and point hammer body 5.4 that lays respectively at T shape main ram body both sides.
Embodiment 3
As shown in Figure 5, this roadbed rammer compacter, it comprises wheel type traveling mechanism and reinforcement mechanism, reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, the structure of hammer ram and embodiment 1, hammer ram structure in roadbed rammer compacter in 2 is identical, ram frame and comprise two parallel slideways that vertically arrange, the second transverse axis is arranged on two slideway bottoms and between two slideways, outside two slideways, middle and lower part is provided with the 3rd transverse axis, the 3rd transverse axis is positioned at the second transverse axis top, the power output shaft of wheel type traveling mechanism connects gearbox, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the 3rd transverse axis and the second transverse axis are by another group sprocket wheel, chain connects, on the 3rd transverse axis, a disk is installed, on disk, be provided with a bearing pin, hammer ram has hook and two states that break off relations via the bearing pin on gripper shoe and disk, making hammer ram be parabola moves up and down.
Switch on power, the power output shaft of wheel type traveling mechanism rotates and passes through sprocket wheel chain drive via gearbox, drive the second transverse axis to rotate, again by the sprocket wheel chain drive between the second transverse axis and the 3rd transverse axis, disc rotated, the gripper shoe of hooking hammer ram by bearing pin in disk rotation process is mentioned hammer ram, arrive after certain altitude, bearing pin separates with hammer ram, and hammer ram freely falling body is rammed ground, the extension by bearing pin and hammer ram of going round and beginning again, de-ly makes hammer ram ram continuously ground.
On the second above-mentioned transverse axis, be provided with and limit the stopping means of hammer ram position, make hammer ram in off working state in unsettled, do not contact with ground.
Claims (10)
1. a roadbed rammer compacter, comprise wheel type traveling mechanism and reinforcement mechanism, it is characterized in that: its reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, the power output shaft of wheel type traveling mechanism connects gearbox, the output shaft of gearbox drives hammer ram to move up and down along ramming frame by transmission mechanism, hammer ram by the balancing weight on top and bottom with it vertical hammer body form, hammer body is that rectangular structure or top are that cuboid bottom is the structure of semicylinder.
2. a roadbed rammer compacter, comprise wheel type traveling mechanism and reinforcement mechanism, it is characterized in that: its reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, the power output shaft of wheel type traveling mechanism connects gearbox, the output shaft of gearbox drives hammer ram to move up and down along ramming frame by transmission mechanism, hammer ram by the balancing weight on top and bottom with it vertical hammer body form, hammer body is to be that cuboid bottom is the structure of semicylinder by T shape main ram body with rectangular structure or top that point hammer body that lays respectively at T shape main ram body both sides connects to form by alignment pin.
3. roadbed rammer compacter according to claim 2, is characterized in that: between its point of hammer body end face and T shape main ram body, have the gap of 0～20cm, have the gap of 1cm between point hammer body side and T shape main ram body.
4. roadbed rammer compacter according to claim 1 and 2, it is characterized in that: the rammer frame of its reinforcement mechanism comprises two parallel slideways that vertically arrange, the first transverse axis, the second transverse axis is separately positioned on two slideways, bottom and between two slideways, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the first transverse axis, on the second transverse axis, be arranged with a ring chain, on ring chain, be provided with two hooks, the balancing weight bilateral symmetry of hammer ram is provided with slide block, slide block is slidably matched with the slideway that rams frame, balancing weight top is provided with two gripper shoes, hammer ram has hook and two states that break off relations via two hooks on gripper shoe and ring chain.
5. roadbed rammer compacter according to claim 1 and 2, is characterized in that: between its balancing weight both sides and hammer body end face, be provided with reinforcing rib.
6. roadbed rammer compacter according to claim 4, is characterized in that: on its second transverse axis, be provided with the stopping means that limits hammer ram position.
7. roadbed rammer compacter according to claim 1 and 2, is characterized in that: its balancing weight is adjusted bolt by front and rear by several and connected to form, and slide block, gripper shoe are all arranged on the front portion of balancing weight.
8. a roadbed rammer compacter, comprise wheel type traveling mechanism and reinforcement mechanism, it is characterized in that: its reinforcement mechanism is fixed on wheel type traveling mechanism rear portion by the frame arranging on wheel type traveling mechanism, reinforcement mechanism is by ramming frame and hammer ram forms, ram frame and comprise two parallel slideways that vertically arrange, the second transverse axis is arranged on two slideway bottoms and between two slideways, outside two slideways, middle and lower part is provided with the 3rd transverse axis, the 3rd transverse axis is positioned at the second transverse axis top, the power output shaft of wheel type traveling mechanism connects gearbox, the sprocket wheel of installing on the second transverse axis is connected by driving chain with the sprocket wheel of installing on the output shaft of gearbox, the 3rd transverse axis and the second transverse axis are by another group sprocket wheel, chain connects, on the 3rd transverse axis, a disk is installed, on disk, be provided with a bearing pin, hammer ram has hook and two states that break off relations via the bearing pin on gripper shoe and disk.
9. roadbed rammer compacter according to claim 8, is characterized in that: its hammer ram by the balancing weight on top and bottom with it vertical hammer body form, hammer body is that rectangular structure or top are that cuboid bottom is the structure of semicylinder.
10. roadbed rammer compacter according to claim 8, it is characterized in that: hammer ram by the balancing weight on top and bottom with it vertical hammer body form, hammer body is by T shape main ram body and lays respectively at rectangular structure or the top that point hammer body of T shape main ram body both sides connects to form by alignment pin is that cuboid bottom is the structure of semicylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061703.0U CN203741811U (en) | 2014-02-11 | 2014-02-11 | Roadbed tamper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420061703.0U CN203741811U (en) | 2014-02-11 | 2014-02-11 | Roadbed tamper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203741811U true CN203741811U (en) | 2014-07-30 |
Family
ID=51341632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420061703.0U Expired - Fee Related CN203741811U (en) | 2014-02-11 | 2014-02-11 | Roadbed tamper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203741811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442522A (en) * | 2015-12-31 | 2016-03-30 | 王金聚 | Terrace foundation stamping tamper |
| CN107938475A (en) * | 2017-12-09 | 2018-04-20 | 温州振东园林工程有限公司 | Roadbed rammer compacter |
-
2014
- 2014-02-11 CN CN201420061703.0U patent/CN203741811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105442522A (en) * | 2015-12-31 | 2016-03-30 | 王金聚 | Terrace foundation stamping tamper |
| CN107938475A (en) * | 2017-12-09 | 2018-04-20 | 温州振东园林工程有限公司 | Roadbed rammer compacter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108104825B (en) | A kind of shield tunnel tunnel bottom backfills assembly construction method | |
| CN105649128A (en) | Automatic excavation, laying, filling and leveling device of underground cables | |
| CN106761819B (en) | A kind of tunnel duct piece quick-assembling equipment and its assembling method | |
| CN204401675U (en) | Rearmounted disc type drainage groove ditching machine | |
| CN203806024U (en) | Novel crawler-type loader-digger | |
| CN115142465B (en) | Construction method of upward inclined gravity retaining wall | |
| CN203741811U (en) | Roadbed tamper | |
| CN202991063U (en) | Large-section tunnel hydraulic trolley | |
| CN114991114A (en) | Intelligent earth backfilling tamping equipment for sluice construction and working method thereof | |
| CN201321595Y (en) | Road base course spreader | |
| CN118008333A (en) | U-shaped shield tunneling machine and construction method thereof | |
| CN212388324U (en) | Concrete asphalt ground trencher | |
| CN204386597U (en) | The coal road comprehensive dig-anchor machine of large width simultaneous drifting | |
| CN210658228U (en) | Gravel laying machine for river course slope protection | |
| CN201647579U (en) | Chain plate conveyor | |
| CN206634089U (en) | Contact area steady type hydraulic crawler excavator crawler belt can be increased | |
| CN201826855U (en) | Integral pouring separating hydraulic lining trolley for large-section tunnel inverted arches | |
| CN201713746U (en) | Multifunctional road rolling rammer | |
| CN202809475U (en) | Full hydraulic full-automatic control tunnel invert trestle | |
| CN204059330U (en) | A kind of channel climbing rolling machine | |
| CN205224090U (en) | It trails a step concrete back seat that advances prefabricated frame in top on sloping slide to become | |
| CN210177490U (en) | Highway subgrade leveling device | |
| CN211498995U (en) | Underground continuous wall construction auxiliary device | |
| CN109339814B (en) | Full-face chain type tunneling assembly tunneling machine | |
| CN203700915U (en) | Road roller for highway construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20180211 |