CN209779519U - a lift rail for municipal works - Google Patents
a lift rail for municipal works Download PDFInfo
- Publication number
- CN209779519U CN209779519U CN201822045028.3U CN201822045028U CN209779519U CN 209779519 U CN209779519 U CN 209779519U CN 201822045028 U CN201822045028 U CN 201822045028U CN 209779519 U CN209779519 U CN 209779519U
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- Prior art keywords
- fence
- plate
- groove
- motor
- telescopic
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Abstract
The utility model relates to the technical field of fences, in particular to a lifting fence for municipal engineering, which comprises a lower fence plate, wherein the top surface of the lower fence plate is provided with a plurality of telescopic rods in the vertical direction, the top surfaces of the plurality of telescopic rods are provided with an upper fence plate, and the middle part of the upper fence plate is provided with a bearing; the utility model discloses a fence groove, including rail groove, motor groove, regulating plate, pivot, baffle plate. The utility model discloses a to go up the fence board and establish in the rail groove with fence board down to through threaded connection between pivot and adjusting plate, thereby the pivot drives at rotatory in-process and goes up the fence board and reciprocate and do not need frequent with the rail installation of special staff or remove from this place, very big manpower and financial resources of having saved.
Description
Technical Field
The utility model relates to a rail technical field, more specifically relate to a lift rail for municipal works.
Background
Fences, namely guardrails, are barriers arranged for people to contain various livestock from wooden fences appearing at the earliest, and the fences are developed to be different in appearance forms in our lives, so that the fences have very wide application and connotation. The municipal road fence is also called as a galvanized plastic-sprayed steel guardrail for urban traffic, is attractive, novel, safe, reliable and low in price, and is suitable for isolation of urban traffic major roads, green isolation belts in the middle of expressways, bridges, secondary roads, town roads, toll gates of all roads and the like.
The liftable fence in the prior art comprises a base, upright posts and a protective net, wherein supporting legs are arranged at the bottom of the base, a supporting bottom plate is arranged at the bottom ends of the supporting legs, rollers are arranged on one side of the bottom of the supporting bottom plate, an adjusting screw rod is inserted into the other side of the supporting bottom plate, the adjusting screw rod is connected with the supporting bottom plate through a fixing bolt, an anti-skidding foot pad is arranged at the bottom end of the adjusting screw rod, a groove is arranged on one side of the base, a lug buckled with the groove is arranged on the other side of the base, the upright posts are arranged on two sides of the top of the base, the protective net is arranged between the two upright posts, the protective net is connected with the two upright posts through a sliding block in a sliding manner, the sliding block is arranged on the upright posts, a positioning hole is arranged on the sliding, and two water holding cavities are communicated with each other, the top end of the stand column is provided with a water injection funnel, the protective net can be adjusted to a proper height through the sliding slide block, and the position of the slide block is fixed through the locking knob, so that the height of the fence is adjusted.
however, this lift rail is fixed on ground and can only adjust the height of protection network, when this place does not need the rail, the staff still need to remove this rail away from, when this place needs the rail again with this rail transport come the installation, so very troublesome and wasted unnecessary manpower and materials and financial resources.
Therefore, it is a realistic meaning for those skilled in the art how to solve the above technical problems.
Disclosure of Invention
Based on above problem, the utility model provides a lift rail for municipal works. The utility model discloses a to go up the fence board and establish in the fence groove with fence board down, and pass through threaded connection between pivot and regulating plate, can drive the pivot by the rotation of motor drive pivot and reciprocate at rotatory in-process, thereby the fence board reciprocates on the drive, when there is the rail on this ground needs, it moves upwards in the drive of pivot to go up the rail, when not needing the rail on this ground, it moves down to align with the upper end in fence groove under the drive of pivot to go up the rail, thereby do not need frequent with rail installation of special staff or remove from this place, very big manpower and financial resources have been saved.
the utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
A lifting fence for municipal engineering comprises a fence groove arranged on the ground, wherein a lower fence plate is installed in the fence groove, a plurality of telescopic rods are installed on the top surface of the lower fence plate in the vertical direction, an upper fence plate is installed on the top surfaces of the telescopic rods, and a bearing is installed in the middle of the upper fence plate; the utility model discloses a fence groove, including rail groove, motor groove, regulating plate, pivot, baffle plate.
In the utility model, when the fence is needed in the place where the fence is installed, only the power supply of the motor needs to be switched on, the motor rotates to drive the rotating shaft to rotate, the rotating shaft drives the motor to move upwards along the motor groove while rotating, and the rotating shaft is connected with the adjusting plate through the thread, so the rotating shaft can play the role of limiting and supporting the upper fence plate; when the place at installation rail need not have the rail, only need the power of switch-on motor, it is rotatory to make the motor rotate to another direction and drive the pivot, the pivot drives the motor and follows the motor groove downstream together in the rotation, thereby rail downstream in the drive, it contracts downwards to drive the telescopic link that is located between last rail and lower rail simultaneously, it can to stop the motor rotation when going up rail board and rail groove upper end parallel and level, thereby do not need frequent this place of installing the rail of special staff or removing, very big manpower and financial resources have been saved.
preferably, the telescopic rod comprises a first telescopic rod, a second telescopic rod and a third telescopic rod, the second telescopic rod can be stretched in the first telescopic rod, and the third telescopic rod can be stretched in the second telescopic rod.
As a preferable mode, the third telescopic rod comprises a small rod body and a small sliding block connected to the lower end of the small rod body; the second telescopic rod comprises a middle rod body, the upper end and the lower end of the middle rod body are respectively connected with a middle limiting block and a middle sliding block, and a middle sliding groove capable of enabling the small sliding block to slide up and down is formed between the middle sliding block and the middle limiting block; the first telescopic rod comprises a large rod body, the upper end and the lower end of the large rod body are respectively connected with a large limiting block and a bottom plate, and a large sliding groove capable of enabling the middle sliding block to slide up and down is formed between the bottom plate and the large limiting block.
preferably, a gap is left between the fence groove and the lower fence plate, and drainage grooves are formed on two sides of the fence groove.
As a preferred mode, the bearing is a rolling bearing, the rolling bearing comprises an inner ring, a rolling body and an outer ring, the inner ring is in contact with the rotating shaft, and the outer ring is in contact with the upper fence plate.
preferably, the length and width of the upper fence plate are equal to those of the fence groove respectively.
As a preferable mode, a sealing plate penetrated by the rotating shaft is arranged at the upper end of the motor groove, and the lower fence plate is in clearance fit with the rotating shaft.
Preferably, the motor is G-D53, and the motor is connected with the switch and the power supply in sequence through a lead.
The utility model has the advantages as follows:
(1) The utility model discloses a to go up the fence board and establish in the fence groove with fence board down, and pass through threaded connection between pivot and regulating plate, can drive the pivot by the rotation of motor drive pivot and reciprocate at rotatory in-process, thereby the fence board reciprocates on the drive, when there is the rail on this ground needs, it moves upwards in the drive of pivot to go up the rail, when not needing the rail on this ground, it moves down to align with the upper end in fence groove under the drive of pivot to go up the rail, thereby do not need frequent with rail installation of special staff or remove from this place, very big manpower and financial resources have been saved.
(2) The utility model discloses a telescopic link includes first telescopic link, second telescopic link and third telescopic link, and the second telescopic link can stretch out and draw back in first telescopic link, and the third telescopic link can stretch out and draw back in the second telescopic link, and first telescopic link is in the rail groove, along with pivot and the rebound of last fencing board, stretches out from the second telescopic link earlier for the third telescopic link, and stretch out from first telescopic link again for the second telescopic link afterwards to form the rail.
(3) the utility model discloses the body of small rod and the little slider that drive the third telescopic link when last enclosure board rebound along well spout rebound, when the well stopper department of second telescopic link is removed to little slider, the well body of rod and the big spout rebound that well slider began along first telescopic link of second telescopic link, until well slider removes big stopper department, whole rail stops rebound, the telescopic link here of course can not only include first telescopic link, second telescopic link and third telescopic link, can also include more telescopic links, thereby can satisfy the demand to the not co-altitude of rail.
(4) The utility model discloses a leave the clearance between rail groove and lower rail board, open on rail groove both sides has water drainage tank, and the rainwater in the rail groove with invade the bubble with the rail when preventing to it is bad to invade the bubble with the rail, influences the life of rail.
(5) The utility model discloses the bearing is antifriction bearing, and antifriction bearing includes inner circle, rolling element and outer lane, inner circle and pivot contact, outer lane and last rail board contact, and the inner circle of bearing rotates along with the pivot, and the outer lane does not receive the rotatory influence of pivot to can not influence the rail yet.
(6) The utility model discloses a length and the width of going up the fence board equal with the length and the width in rail groove respectively, in rail withdrawal rail groove, can cover the rail groove just when going up the upper end parallel and level in fence board and rail groove, here also can open a groove in the upper end in rail groove, go up the ground of rail in this groove, just so can not worry that the pedestrian steps on last fence board and damage whole rail.
(7) The upper end of the motor groove of the utility model is provided with the sealing plate which is penetrated by the rotating shaft, thus preventing rainwater from entering the motor groove and damaging the motor; the lower fence plate is in clearance fit with the rotating shaft, so that the lower fence plate is not influenced by rotation of the rotating shaft and cannot move along with up-down movement of the rotating shaft.
Drawings
FIG. 1 is a schematic view of the sectional structure of the utility model in front view;
FIG. 2 is a schematic view of the front sectional structure of the fence according to the present invention when not in use;
FIG. 3 is a schematic top view of the present invention;
3 FIG. 3 4 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 31 3 according 3 to 3 the 3 present 3 invention 3; 3
Fig. 5 is a schematic front sectional view of the first, second and third telescopic rods of the present invention when they are extended;
Fig. 6 is a schematic front sectional view of the first, second and third telescopic rods of the present invention when retracted;
FIG. 7 is a schematic cross-sectional view taken along line B-B of FIG. 5 in accordance with the present invention;
fig. 8 is an enlarged schematic view of fig. 1 at C according to the present invention;
Fig. 9 is a schematic structural diagram of the bearing of the present invention.
Reference numerals: 1 motor groove, 2 motors, 3 pivots, 4 adjusting plates, 5 sealing plates, 6 fence grooves, 7 lower fence plates, 8 drainage grooves, 9 first telescopic rods, 91 bottom plates, 92 large sliding grooves, 93 large limiting blocks, 94 large rod bodies, 10 second telescopic rods, 101 middle sliding blocks, 102 middle sliding grooves, 103 middle limiting blocks, 104 middle rod bodies, 11 third telescopic rods, 111 small sliding blocks, 112 small rod bodies, 12 upper fence plates, 13 bearings, 131 inner rings, 132 rolling bodies and 133 outer rings.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and the following embodiments.
Example 1:
As shown in fig. 1 to 9, a lifting fence for municipal engineering comprises a fence groove 6 opened on the ground, a lower fence plate 7 is installed in the fence groove 6, a plurality of telescopic rods are installed on the top surface of the lower fence plate 7 in the vertical direction, an upper fence plate 12 is installed on the top surface of the plurality of telescopic rods, and a bearing 13 is installed in the middle of the upper fence plate 12; the bottom surface in rail groove 6 is opened in vertical direction has with the communicating motor groove 1 in rail groove 6, and motor groove 1 upper portion fixed mounting has regulating plate 4, is equipped with motor 2 in the motor groove 1, and motor 2 is connected with the pivot 3 that passes regulating plate 4 and lower fencing board 7, and pivot 3 passes through threaded connection with regulating plate 4, and the installation is in bearing 13 in the 3 upper ends of pivot.
in the utility model, when a fence is needed at the place where the fence is installed, only the power supply of the motor 2 needs to be switched on, the motor 2 rotates to drive the rotating shaft 3 to rotate, the rotating shaft 3 drives the motor 2 to move upwards along the motor groove 1 while rotating, and the rotating shaft 3 is in threaded connection with the adjusting plate 4, so that the rotating shaft 3 can play a role in limiting and supporting the upper fence plate 12; when the place at the installation rail need not have the rail, only need switch on motor 2's power, it is rotatory to another direction and drive pivot 3 to make motor 2, pivot 3 drives motor 2 and moves down along motor groove 1 together in the rotation, thereby it moves down to drive the rail, it contracts downwards to drive the telescopic link that is located between last rail and lower rail simultaneously, it can to stop motor 2 rotatory when going up rail board 12 and rail groove 6 upper end parallel and level, thereby do not need the frequent fence installation of special staff or remove from this place, very big manpower and financial resources have been saved.
Example 2:
As shown in fig. 1 to 9, a lifting fence for municipal engineering comprises a fence groove 6 opened on the ground, a lower fence plate 7 is installed in the fence groove 6, a plurality of telescopic rods are installed on the top surface of the lower fence plate 7 in the vertical direction, an upper fence plate 12 is installed on the top surface of the plurality of telescopic rods, and a bearing 13 is installed in the middle of the upper fence plate 12; the bottom surface in rail groove 6 is opened in vertical direction has with the communicating motor groove 1 in rail groove 6, and motor groove 1 upper portion fixed mounting has regulating plate 4, is equipped with motor 2 in the motor groove 1, and motor 2 is connected with the pivot 3 that passes regulating plate 4 and lower fencing board 7, and pivot 3 passes through threaded connection with regulating plate 4, and the installation is in bearing 13 in the 3 upper ends of pivot.
In this embodiment, the first telescopic rod 9, the second telescopic rod 10 and the third telescopic rod 11, the second telescopic rod 10 can be stretched in the first telescopic rod 9, the third telescopic rod 11 can be stretched in the second telescopic rod 10, the first telescopic rod 9 is in the fence slot 6, along with the upward movement of the rotating shaft 3 and the upper fence plate 12, the third telescopic rod 11 firstly extends out of the second telescopic rod 10, and then the second telescopic rod 10 extends out of the first telescopic rod 9, so as to form a fence.
Preferably, the third telescopic rod 11 comprises a small rod body 112 and a small sliding block 111 connected to the lower end of the small rod body 112; the second telescopic rod 10 comprises a middle rod body 104, the upper end and the lower end of the middle rod body 104 are respectively connected with a middle limiting block 103 and a middle sliding block 101, and a middle sliding groove 102 capable of enabling a small sliding block 111 to slide up and down is formed between the middle sliding block 101 and the middle limiting block 103; the first telescopic rod 9 comprises a large rod body 94, the upper end and the lower end of the large rod body 94 are respectively connected with a large limiting block 93 and a bottom plate 91, and a large sliding groove 92 which can enable the middle sliding block 101 to slide up and down is formed between the bottom plate 91 and the large limiting block 93.
Preferably, when the upper fencing board 12 moves upwards, the small rod 112 and the small slider 111 of the third telescopic rod 11 are driven to move upwards along the middle sliding slot 102, and when the small slider 111 moves to the middle limit block 103 of the second telescopic rod 10, the middle rod 104 and the middle slider 101 of the second telescopic rod 10 start to move upwards along the large sliding slot 92 of the first telescopic rod 9 until the middle slider 101 moves to the large limit block 93, and the whole fence stops moving upwards, although the telescopic rods herein may include not only the first telescopic rod 9, the second telescopic rod 10 and the third telescopic rod 11, but also more telescopic rods, so as to meet the requirements for different heights of the fence.
Other parts of this embodiment are the same as those of the above embodiment, and are not described herein again.
example 3:
As shown in fig. 1 to 9, a lifting fence for municipal engineering comprises a fence groove 6 opened on the ground, a lower fence plate 7 is installed in the fence groove 6, a plurality of telescopic rods are installed on the top surface of the lower fence plate 7 in the vertical direction, an upper fence plate 12 is installed on the top surface of the plurality of telescopic rods, and a bearing 13 is installed in the middle of the upper fence plate 12; the bottom surface in rail groove 6 is opened in vertical direction has with the communicating motor groove 1 in rail groove 6, and motor groove 1 upper portion fixed mounting has regulating plate 4, is equipped with motor 2 in the motor groove 1, and motor 2 is connected with the pivot 3 that passes regulating plate 4 and lower fencing board 7, and pivot 3 passes through threaded connection with regulating plate 4, and the installation is in bearing 13 in the 3 upper ends of pivot.
In this embodiment, leave the clearance between rail groove 6 and lower rail plate 7, open on 6 both sides in rail groove has water drainage tank 8, and the rainwater in the rail groove 6 with invade the bubble with the rail when preventing to rainy to it is bad to invade the bubble with the rail, influences the life of rail.
other parts of this embodiment are the same as those of the above embodiment, and are not described herein again.
Example 4:
As shown in fig. 1 to 9, a lifting fence for municipal engineering comprises a fence groove 6 opened on the ground, a lower fence plate 7 is installed in the fence groove 6, a plurality of telescopic rods are installed on the top surface of the lower fence plate 7 in the vertical direction, an upper fence plate 12 is installed on the top surface of the plurality of telescopic rods, and a bearing 13 is installed in the middle of the upper fence plate 12; the bottom surface in rail groove 6 is opened in vertical direction has with the communicating motor groove 1 in rail groove 6, and motor groove 1 upper portion fixed mounting has regulating plate 4, is equipped with motor 2 in the motor groove 1, and motor 2 is connected with the pivot 3 that passes regulating plate 4 and lower fencing board 7, and pivot 3 passes through threaded connection with regulating plate 4, and the installation is in bearing 13 in the 3 upper ends of pivot.
In this embodiment, the bearing 13 is a rolling bearing 13, the rolling bearing 13 includes an inner ring 131, a rolling body 132, and an outer ring 133, the inner ring 131 is in contact with the rotating shaft 3, the outer ring 133 is in contact with the upper fence 12, the inner ring 131 of the bearing 13 rotates with the rotating shaft 3, and the outer ring 133 is not affected by the rotation of the rotating shaft 3, so that the upper fence is not affected.
Preferably, the length and width of the upper fence panel 12 are equal to the length and width of the fence slot 6 respectively, and when the fence is retracted into the fence slot 6, the upper fence panel 12 is flush with the upper end of the fence slot 6 to properly cover the fence slot 6, where a slot may also be provided at the upper end of the fence slot 6, in which slot the ground of the upper fence is located, so that there is no fear of a pedestrian stepping on the upper fence panel 12 to damage the entire fence.
Other parts of this embodiment are the same as those of the above embodiment, and are not described herein again.
Example 5:
As shown in fig. 1 to 9, a lifting fence for municipal engineering comprises a fence groove 6 opened on the ground, a lower fence plate 7 is installed in the fence groove 6, a plurality of telescopic rods are installed on the top surface of the lower fence plate 7 in the vertical direction, an upper fence plate 12 is installed on the top surface of the plurality of telescopic rods, and a bearing 13 is installed in the middle of the upper fence plate 12; the bottom surface in rail groove 6 is opened in vertical direction has with the communicating motor groove 1 in rail groove 6, and motor groove 1 upper portion fixed mounting has regulating plate 4, is equipped with motor 2 in the motor groove 1, and motor 2 is connected with the pivot 3 that passes regulating plate 4 and lower fencing board 7, and pivot 3 passes through threaded connection with regulating plate 4, and the installation is in bearing 13 in the 3 upper ends of pivot.
In the embodiment, the upper end of the motor groove 1 is provided with the sealing plate 5 penetrated by the rotating shaft 3, so that rainwater can be prevented from entering the motor groove 1 to damage the motor 2; the lower fence plate 7 is in clearance fit with the rotating shaft 3, so that the lower fence plate 7 is not influenced by the rotation of the rotating shaft 3 and cannot move along with the up-down movement of the rotating shaft 3.
in this embodiment, the model of the motor 2 is G-D53, the motor 2 is sequentially connected to the switch and the power supply through a wire, the model of the motor 2 is not limited to the above model, and a user can select the model of the motor according to actual requirements, and the switch needs to be satisfied to enable the motor 2 to rotate forward and backward, for example, a double-pole double-throw switch can be used, which is relatively conventional and can be easily purchased in the market, so the model and the use thereof are not described herein.
The embodiment of the present invention is the above. The specific parameters in the above embodiments and examples are only for the purpose of clearly showing the verification process of the present invention, and are not used to limit the protection scope of the present invention, and the protection scope of the present invention is still subject to the claims, and all the equivalent structural changes made by using the contents of the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A lifting fence for municipal engineering is characterized by comprising a fence groove (6) formed in the ground, wherein a lower fence plate (7) is installed in the fence groove (6), a plurality of telescopic rods are installed on the top surface of the lower fence plate (7) in the vertical direction, an upper fence plate (12) is installed on the top surfaces of the telescopic rods, and a bearing (13) is installed in the middle of the upper fence plate (12); the utility model discloses a fence, including rail groove (6), motor groove (1) and motor groove (2), the bottom surface in rail groove (6) is opened in vertical direction has communicating motor groove (1) with rail groove (6), motor groove (1) upper portion fixed mounting has regulating plate (4), be equipped with motor (2) in motor groove (1), motor (2) are connected with and pass regulating plate (4) and pivot (3) of fence board (7) down, pivot (3) pass through threaded connection with regulating plate (4), install pivot (3) upper end in bearing (13).
2. a lifting fence for municipal engineering according to claim 1, characterized in that the telescopic rods comprise a first telescopic rod (9), a second telescopic rod (10) and a third telescopic rod (11), the second telescopic rod (10) being telescopic within the first telescopic rod (9) and the third telescopic rod (11) being telescopic within the second telescopic rod (10).
3. A lifting fence for municipal engineering according to claim 2, characterized in that the third telescopic rod (11) comprises a small rod (112) and a small slide (111) connected to the lower end of the small rod (112); the second telescopic rod (10) comprises a middle rod body (104), the upper end and the lower end of the middle rod body (104) are respectively connected with a middle limiting block (103) and a middle sliding block (101), and a middle sliding groove (102) capable of enabling the small sliding block (111) to slide up and down is formed between the middle sliding block (101) and the middle limiting block (103); first telescopic link (9) are including big body of rod (94), big body of rod (94) upper end and lower extreme are connected with big stopper (93) and bottom plate (91) respectively, it has big spout (92) that can let well slider (101) gliding from top to bottom to open between bottom plate (91) and big stopper (93).
4. A lifting fence for municipal engineering according to claim 1, characterized in that a gap is left between the fence trough (6) and the lower fence plate (7), and drainage troughs (8) are opened on both sides of the fence trough (6).
5. A lifting fence for municipal engineering according to claim 1, characterized in that the bearing (13) is a rolling bearing (13), the rolling bearing (13) comprising an inner ring (131), rolling bodies (132) and an outer ring (133), the inner ring (131) being in contact with the shaft (3) and the outer ring (133) being in contact with the upper fence plate (12).
6. A lifting fence for municipal engineering according to claim 1, characterized in that the length and width of the upper fence panel (12) are equal to the length and width of the fence trough (6), respectively.
7. The lifting fence for municipal engineering according to claim 1, characterized in that the upper end of the motor trough (1) is provided with a sealing plate (5) through which the rotating shaft (3) passes, and the lower fence plate (7) is in clearance fit with the rotating shaft (3).
8. A lifting fence for municipal engineering according to claim 1, characterized in that the motor (2) is of the type G-D53, the motor (2) being in turn connected to a switch and a power supply by wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822045028.3U CN209779519U (en) | 2018-12-06 | 2018-12-06 | a lift rail for municipal works |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822045028.3U CN209779519U (en) | 2018-12-06 | 2018-12-06 | a lift rail for municipal works |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209779519U true CN209779519U (en) | 2019-12-13 |
Family
ID=68788033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822045028.3U Expired - Fee Related CN209779519U (en) | 2018-12-06 | 2018-12-06 | a lift rail for municipal works |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209779519U (en) |
-
2018
- 2018-12-06 CN CN201822045028.3U patent/CN209779519U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191213 Termination date: 20201206 |