CN209796887U - Electric feeding device and pavement maintenance vehicle provided with same - Google Patents
Electric feeding device and pavement maintenance vehicle provided with same Download PDFInfo
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- CN209796887U CN209796887U CN201920557663.1U CN201920557663U CN209796887U CN 209796887 U CN209796887 U CN 209796887U CN 201920557663 U CN201920557663 U CN 201920557663U CN 209796887 U CN209796887 U CN 209796887U
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- chain wheel
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Abstract
The utility model discloses an electric feeding device, which comprises a fixed frame, a feeding portal frame, a hopper lifting frame, a hopper roll-over stand and a gear motor; install on the mount material loading door frame, material loading door frame installs the hopper hoisting frame through the chain, is connected with the hopper roll-over stand through the pivot on the hopper hoisting frame, installs the hopper on the hopper roll-over stand, gear motor installs on the motor mount pad, and gear motor is connected with material loading door frame and drive chain rotates, drives the hopper hoisting frame and shifts up, and then drives the hopper promotion material loading. The utility model discloses an electronic loading attachment settles at the cylinder back shroud rear portion of road surface maintenance car, uses with the cooperation of cylinder feed bin, realizes the automatic of pitch material and carries, and the device is single-stage electronic loading attachment, both can realize that the automation of material transports, guaranteeing to put in order under the prerequisite of car leaving the angle, and hopper liftoff height is low, and the material loading accords with man-machine engineering, and labour saving and time saving has reduced artifical intensity of labour.
Description
Technical Field
The utility model relates to an electronic loading attachment and install its road surface maintenance car belongs to road maintenance equipment field.
Background
the roller stir-frying type pavement maintenance vehicle is mainly used for repairing various diseases such as pits, cracks, hugs, gnawing edges, pitted surfaces, peeling, loosening and the like of the asphalt pavement, and the whole vehicle is usually provided with a feeding device for automatically conveying asphalt mixture when the asphalt pavement is repaired and fried.
Current road surface maintenance car loading attachment adopts the fuel energy more, easily causes environmental pollution, and current road surface maintenance car loading attachment leads to artifical intensity of labour big because of hopper volume and terrain clearance are unreasonable. Along with the increasing urgency of environmental protection demands, the electric pavement maintenance vehicle using cleaner energy sources is in due course, an electric feeding device is configured for the pavement maintenance vehicle, the environmental pollution caused in construction is reduced, and the problem of large labor intensity caused by unreasonable hopper volume and ground clearance of the feeding device of the existing pavement maintenance vehicle is the heart sound of all customers and machine users.
Disclosure of Invention
to the problem that above-mentioned prior art exists, the utility model provides an electronic loading attachment, it is pollution-free to the environment, and reduce artifical intensity of labour. The utility model discloses the road surface maintenance car of installing above-mentioned electronic loading attachment is provided simultaneously.
In order to achieve the purpose, the utility model discloses an electric feeding device, which comprises a fixed frame, a feeding portal frame, a hopper lifting frame, a hopper overturning frame and a speed reducing motor;
install on the mount material loading door frame, material loading door frame installs the hopper hoisting frame through the chain, is connected with the hopper roll-over stand through the pivot on the hopper hoisting frame, installs the hopper on the hopper roll-over stand, gear motor installs on the motor mount pad, and gear motor is connected with material loading door frame and drive chain rotates, drives the hopper hoisting frame and shifts up, and then drives the hopper promotion material loading.
Preferably, the fixing frame comprises a frame, and a first connecting seat, a second connecting seat, a third connecting seat, a large mounting seat and a small mounting seat which are respectively welded on the frame;
The frame is formed by a plurality of square pipe tailor-welding, is equipped with pencil fixed orifices and whole car arrow lamp mounting hole on the square pipe of frame, first, two, three connecting seats are formed by square pipe and mounting panel welding, big mount pad is connected with the material loading portal through a plurality of bolt with little mount pad.
preferably, the feeding door frame comprises a slide rail, and a support shaft assembly, a driving chain wheel and a driven chain wheel which are respectively arranged on the slide rail;
The driving chain wheel is fixedly arranged on a driving chain wheel shaft through a check ring, and the driving chain wheel shaft is fixed at the lower end of the sliding rail; the driven chain wheel and the bearing II with the seat are both arranged on a driven chain wheel shaft, the bearing II with the seat is fixed on the support shaft assembly, and the support shaft assembly and the driven chain wheel are both arranged at the upper end of the slide rail; and a limiting plate of the hopper lifting frame is further mounted at the lower part of the sliding rail.
preferably, the slide rail comprises a left slide rail and a right slide rail;
all the welding has threaded hole board I, threaded hole board II that is used for installing pedestal bearing I and is used for installing the threaded hole board III of back shaft assembly that is used for installing transverse connection board on left and right slide rail, and left and right slide rail links together through transverse connection board.
preferably, the driving chain wheel shaft is matched and assembled with a bearing I with a seat which is arranged on the left sliding rail and the right sliding rail, one end of the driving chain wheel shaft is free, and the other end of the driving chain wheel shaft is connected with the speed reducing motor through a flat key.
Preferably, the hopper lifting frame comprises a hopper overturning support plate, a lifting frame body and a roller bearing;
The hopper overturning support plate is fixed on the lifting frame body, the roller bearings are symmetrically installed on the lifting frame body through the retainer rings, and the hopper lifting frame slides in the left and right slide rails through the roller bearings to realize the lifting of the hopper.
Preferably, the hopper roll-over stand comprises a roll-over stand body, a spring pin assembly, a spring pin mounting plate and a pin shaft pad;
The spring pin assembly is fixedly arranged on the spring pin mounting plate through a plurality of bolts, and the spring pin mounting plate is fixedly arranged on the roll-over stand body through a plurality of bolts and a pin shaft pad.
preferably, the spring pin assembly comprises a spring pin seat, a guide shaft, a spring and a spring pin pull ring;
The spring pin pull ring is installed on the guide shaft, the spring, the guide shaft and the spring pin base are assembled together, and two pairs of grooves with different depths are formed in the spring pin base and used for limiting the spring pin in the extending state and the retracting state.
additionally, the utility model also provides an install electronic loading attachment's road surface maintenance car.
Compared with the prior art, the utility model discloses an electronic loading attachment settles at the cylinder back shroud rear portion of road surface maintenance car, use with the cooperation of cylinder feed bin, realize the automatic transport of pitch material, the device is single-stage electronic loading attachment, both can realize that the automation of material transports, under the prerequisite of guaranteeing that whole car leaves the chamfer, hopper terrain clearance is low, the material loading accords with man-machine engineering, time saving and labor saving has reduced artifical intensity of labour, the hopper tenesmus when preventing the outage fault through installation worm gear reducer motor again, make device safe and reliable. The device design is simple and convenient reliable, has improved equipment degree of automation, and the efficiency of construction is high.
Drawings
fig. 1 is a schematic structural view of the electric feeding device of the present invention;
Fig. 2 is a schematic structural view of the middle fixing frame of the present invention;
fig. 3 is a schematic structural view of the feeding gantry of the present invention;
FIG. 4 is a schematic structural view of a hopper lifting frame according to the present invention;
FIG. 5 is a schematic structural view of the hopper roll-over stand of the present invention;
Fig. 6 is an assembly schematic view of the electric feeding device of the present invention;
in the figure: 1. a fixed frame 1-1, a first connecting seat 1-2, a second connecting seat 1-3, a third connecting seat 1-4, a large mounting seat 1-5, a small mounting seat 1-6, a frame 2, a feeding gate frame 2-1, a slide rail 2-1-1, a threaded hole plate III 2-1-2, a threaded hole plate I, 2-1-3, a left slide rail 2-1-4, a threaded hole plate II, 2-1-5, a round hole 2-1-6, a right slide rail 2-2, a transverse connecting plate 2-3, a driving sprocket shaft 2-4, a driving sprocket 2-5, a seated bearing I, 2-6, a driven sprocket 2-7, a driven sprocket shaft 2-8 and a seated bearing II, 2-9 parts of support shaft assembly, 2-9-1 parts of rolling bearing, 2-9-2 parts of support shaft, 2-9-3 parts of bearing installation seat plate, 2-10 parts of hopper lifting frame limiting plate, 3 parts of hopper lifting frame, 3-1 parts of hopper overturning support plate, 3-2 parts of lifting frame body, 3-3 parts of roller bearing, 4 parts of hopper overturning frame, 4-1 parts of overturning frame body, 4-2 parts of spring pin assembly, 4-2-1 parts of spring pin pull ring, 4-2-2 parts of spring pin seat, 4-2-3 parts of spring, 4-2-4 parts of guide shaft, 4-3 parts of spring pin installation plate, 4-4 parts of pin shaft pad, 4-5 parts of shaft sleeve, 5 parts of hopper, 6 parts of chain, 7 parts of speed reducing motor, 8 parts of speed reducing motor, 4-2-4 parts of spring, 4-2-4, Motor mount pad, 9, cylinder feeding cover, 10, frame.
Detailed Description
in order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail below. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in fig. 1 and 6, an electric feeding device for a pavement maintenance vehicle comprises a fixed frame 1, a feeding door frame 2, a hopper lifting frame 3, a hopper turning frame 4, a hopper 5, a chain 6, a speed reduction motor 7 and a motor mounting seat 8;
the two side connecting seats of mount 1 are connected fixedly with frame 10, cylinder feed cover 9, and big, little mount pad are connected with material loading portal frame 2 on the mount 1, hopper roll-over stand 4 is connected through the pivot with hopper hoisting frame 3, hopper hoisting frame 3 is installed in the two side slide rails of material loading portal frame 2, the both ends of chain 6 are passed through material loading portal frame 2 and are gone up main and driven sprocket and be connected with hopper hoisting frame 3, hopper 5 is installed on hopper roll-over stand 4, gear motor 7 is connected with material loading portal frame 2's initiative sprocket shaft 2-3, and gear motor 7 installs on motor mount pad 8, motor mount pad 8 is connected on whole car frame 10.
the speed reducing motor 7 is a worm gear speed reducing motor, has a self-locking function when in failure and power failure, and can prevent the hopper 5 from falling to cause safety accidents.
As shown in fig. 2, the fixing frame 1 includes a frame 1-6, and a first connecting seat 1-1, a second connecting seat 1-2, a third connecting seat 1-3, a large mounting seat 1-4 and a small mounting seat 1-5 which are all welded on the frame 1-6;
The large connecting seat and the small connecting seat are formed by welding a square tube and a mounting plate, a first connecting seat 1-1 is fixedly mounted on a frame 10 through a plurality of bolts, a second connecting seat 1-2 is fixedly mounted on a supporting leg of a roller feeding cover 9 through a plurality of bolts, a third connecting seat 1-3 is fixedly mounted on two sides of the roller feeding cover 9 through a plurality of bolts, a large mounting seat 1-4 and a small mounting seat 1-5 on a fixing frame 1 are connected with a feeding portal frame 2 through a plurality of bolts, a frame 1-6 is formed by welding the square tube in a split mode, and a wire harness fixing hole and a whole vehicle arrow lamp mounting hole are formed in the square tube of the frame 1-6.
As shown in fig. 3, the feeding gate frame 2 comprises a slide rail 2-1, a transverse connecting plate 2-2, a driving sprocket shaft 2-3, a driving sprocket 2-4, a seated bearing i 2-5, a driven sprocket 2-6, a driven sprocket shaft 2-7, a seated bearing ii 2-8, a support shaft assembly 2-9 and a hopper lifting frame limiting plate 2-10;
The sliding rail 2-1 is formed by processing channel steel, the sliding rail 2-1 comprises a left sliding rail 2-1-3 and a right sliding rail 2-1-6, a threaded pore plate I2-1-2 for mounting a transverse connecting plate 2-2, a threaded pore plate II 2-1-4 for mounting a bearing I2-5 with a seat and a threaded pore plate III 2-1-1 for mounting a supporting shaft assembly 2-9 are symmetrically welded on the left sliding rail and the right sliding rail, and circular holes 2-1-5 are formed in the left sliding rail and the right sliding rail and can enable a driving chain wheel shaft 2-3 to penetrate through the circular holes 2-1-5;
the driving chain wheel 2-4 is fixedly arranged on a driving chain wheel shaft 2-3 through a check ring, the driving chain wheel shaft 2-3 penetrates through round holes 2-1-5 on the left and right slide rails, the transverse connecting plate 2-2 is arranged on a threaded hole plate I2-1-2 of the left and right slide rails through a plurality of bolts to connect the left and right slide rails, the driving chain wheel shaft 2-3 is matched and assembled with a bearing I2-5 with a seat arranged on a threaded hole plate II 2-1-4 of the left and right slide rails, one end of the driving chain wheel shaft 2-3 is free, the other end of the driving chain wheel shaft is connected with a speed reducing motor 7 through a flat key, a threaded hole is arranged at the connecting end of the driving chain wheel shaft 2-3 and the connecting shaft end of the motor is provided with a gasket and a bolt for axially;
The support shaft assembly 2-9 comprises a support shaft 2-9-2, a rolling bearing 2-9-1 and a bearing installation seat plate 2-9-3, the bearing installation seat plate 2-9-3 is symmetrically welded on the support shaft 2-9-2, the rolling bearing 2-9-1 is fixedly installed on the support shaft 2-9-2 through a retainer ring, and two ends of the support shaft 2-9-2 are connected with the upper ends of the left and right slide rails through a plurality of bolts;
the feeding door frame 2 is provided with driven sprockets 2-6 and bearings with seats II 2-8 which are arranged on driven sprocket shafts 2-7 in a matched mode, threaded holes are formed in two ends of the driven sprocket shafts 2-7, gaskets and bolts are arranged on the threaded holes to axially position the driven sprockets 2-6, the bearings with seats II 2-8 are fixedly arranged on bearing mounting seat plates 2-9-3 on the supporting shaft assemblies 2-9 through a plurality of bolts, and hopper lifting frame limiting plates 2-10 are respectively fixedly arranged on left and right sliding rails through a plurality of bolts and used for limiting the lower portions of the hopper lifting frames 3.
as shown in FIG. 4, the hopper lifting frame 3 comprises a hopper turning support plate 3-1, a lifting frame body 3-2 and a roller bearing 3-3; the hopper overturning support plate 3-1 is fixedly arranged on the lifting frame body 3-2 through a plurality of countersunk bolts, the roller bearings 3-3 are symmetrically arranged and fixed on the lifting frame body 3-2 through check rings, and the roller bearings 3-3 on the hopper lifting frame 3 slide in the left and right slide rails to realize the ascending and descending of the hopper 5.
As shown in fig. 5, the hopper roll-over stand 4 comprises a roll-over stand body 4-1, a spring pin assembly 4-2, a pin shaft pad 4-4 and a spring pin mounting plate 4-3; the spring pin assembly 4-2 is fixedly arranged on the spring pin mounting plate 4-3 through a plurality of bolts, and the spring pin mounting plate 4-3 is fixedly arranged on the roll-over stand body 4-1 through a plurality of bolts and the pin shaft pad 4-4;
The spring pin assembly 4-2 comprises a spring pin seat 4-2-2, a guide shaft 4-2-4, a spring 4-2-3 and a spring pin pull ring 4-2-1, wherein the spring pin pull ring 4-2-1 is installed on the guide shaft 4-2-4, the spring 4-2-3, the guide shaft 4-2-4 and the spring pin seat 4-2-2 are assembled together, and two pairs of grooves with different depths are arranged on the spring pin seat 4-2-2, so that the limit of the spring pin in two states of extension and retraction can be realized.
as shown in fig. 1, the working principle of the present invention is as follows:
A speed reducing motor 7 drives a driving chain wheel shaft 2-3 on a feeding door frame 2 to rotate, the driving chain wheel shaft 2-3 drives a driving chain wheel 2-4 on the driving chain wheel shaft to rotate, the driving chain wheel 2-4 drives a chain 6 which is arranged on the driving chain wheel and is connected with a driven chain wheel 2-6 to transmit, the chain 6 moves to drive a hopper lifting frame 3 to ascend and descend, a hopper turning frame 4 is connected with a shaft sleeve 4-5 through a rotating shaft and a sliding bearing and is arranged on the hopper lifting frame 3, a hopper 5 is arranged on the hopper turning frame 4 through two shafts on the hopper turning frame 4, then a spring pin pull ring 4-2-1 clamped in a spring pin seat 4-2-2 shallow groove in a spring pin assembly 4-2-2 on the hopper turning frame 4 is stirred, the spring pin pull ring 4-2-1 is rotated by 90 degrees to be loosened and clamped in a deep groove of the spring pin seat 4-2, at the moment, the guide shaft 4-2-4 extends into the upper part of the mounting shaft of the hopper of the roll-over stand to block the mounting shaft of the hopper 5 clamped in the hopper roll-over stand 4, the hopper 5 plays a role in fixing the hopper 5 when ascending and descending along with the hopper lifting frame 3 and overturning along with the roll-over stand, thereby preventing personal injury accidents caused by falling off of the hopper 5 in the feeding process, when the hopper lifting frame 3 is pulled by the chain 6 to reach the upper part of the feeding portal frame 2, the overturning arc plate of the hopper roll-over stand 4 is contacted with the roller bearing 3-3 on the supporting shaft above the feeding portal frame 2, and along with the continuous ascending of the hopper lifting frame 3, the overturning arc plate on the hopper roll-over stand 4 drives the hopper 5 to overturn under the action of the roller bearing 3-3, when the hopper lifting frame 3 reaches the limiting plate (namely, the threaded hole plate III 2-1-1 for mounting the supporting shaft assembly 2-9 on the, the hopper 5 and the hopper roll-over stand 4 are turned over to form an included angle of 48 degrees with the feeding portal frame 2, materials in the hopper 5 are poured out, after the pouring is finished, the speed reduction motor 7 rotates reversely to drive the driving chain wheels 2-4 to rotate reversely, the chain 6 is driven reversely to drive the hopper lifting frame 3, the hopper roll-over stand 4 and the hopper 5 to stop when descending to the feeding portal frame 2 feeding hopper lifting frame limiting plate 2-10, and then the hopper is filled with the materials to carry out the next feeding.
when the electric feeding frame is designed, the man-machine engineering is fully considered, the height above the ground of the hopper is designed to be as low as the labor-saving position for manual feeding, and the labor intensity of workers is reduced; the hopper has large capacity, the whole vehicle can be filled by feeding twice, the heating function can be started after the feeding of the first hopper is finished, and then the second hopper is filled with the second hopper while heating and feeding are carried out, so that the waiting time in the construction process is greatly reduced; when guaranteeing the material loading reliability, simple structure, safe and reliable installs in whole car rear portion, can satisfy the required single lane construction, and this material loading frame uses clean energy simultaneously, is friendly to the environment. The utility model discloses a can satisfy modernized maintenance bituminous paving's construction demand well.
the above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (9)
1. An electric feeding device is characterized by comprising a fixed frame (1), a feeding portal frame (2), a hopper lifting frame (3), a hopper turning frame (4) and a speed reducing motor (7);
Install on mount (1) material loading portal (2), material loading portal (2) install hopper hoisting frame (3) through chain (6), are connected with hopper roll-over stand (4) through the pivot on hopper hoisting frame (3), install hopper (5) on hopper roll-over stand (4), gear motor (7) are installed on motor mount pad (8), and gear motor (7) are connected and drive chain (6) rotation with material loading portal (2), drive hopper hoisting frame (3) and shift up, and then drive hopper (5) promotion material loading.
2. The electric feeding device according to claim 1, wherein the fixing frame (1) comprises a frame (1-6), and a first connecting seat (1-1), a second connecting seat (1-2), a third connecting seat (1-3), a large mounting seat (1-4) and a small mounting seat (1-5) which are respectively welded on the frame (1-6);
The frame (1-6) is formed by welding a plurality of square tubes, the square tubes of the frame (1-6) are provided with wire harness fixing holes and arrow lamp mounting holes of the whole vehicle, the first connecting seat, the second connecting seat and the third connecting seat are formed by welding the square tubes and mounting plates, and the large mounting seat (1-4) and the small mounting seat (1-5) are connected with the feeding door frame (2) through a plurality of bolts.
3. The electric feeding device according to claim 1, wherein the feeding gantry (2) comprises a slide rail (2-1), and a supporting shaft assembly (2-9), a driving chain wheel (2-4) and a driven chain wheel (2-6) which are respectively arranged on the slide rail (2-1);
the driving chain wheel (2-4) is fixedly arranged on the driving chain wheel shaft (2-3) through a check ring, and the driving chain wheel shaft (2-3) is fixed at the lower end of the sliding rail (2-1); the driven chain wheels (2-6) and the bearing with a seat II (2-8) are both arranged on the driven chain wheel shafts (2-7), the bearing with a seat II (2-8) is fixed on the support shaft assembly (2-9), and the support shaft assembly (2-9) and the driven chain wheels (2-6) are both arranged at the upper ends of the slide rails (2-1); and a hopper lifting frame limiting plate (2-10) is further mounted at the lower part of the sliding rail (2-1).
4. An electric feeding device according to claim 3, characterized in that the slide rails (2-1) comprise a left slide rail (2-1-3), a right slide rail (2-1-6);
the left sliding rail and the right sliding rail are all welded with a threaded pore plate I (2-1-2) used for installing a transverse connecting plate (2-2), a threaded pore plate II (2-1-4) used for installing a bearing I (2-5) with a seat and a threaded pore plate III (2-1-1) used for installing a supporting shaft assembly (2-9), and the left sliding rail and the right sliding rail are connected together through the transverse connecting plate (2-2).
5. An electric feeding device according to claim 4, characterized in that the driving chain wheel shaft (2-3) is fitted with a bearing I (2-5) with a seat mounted on the left and right slide rails, one end of the driving chain wheel shaft (2-3) is free, and the other end is connected with the speed reducing motor (7) through a flat key.
6. An electric charging device according to claim 1, characterized in that the hopper lift (3) comprises a hopper turning plate (3-1), a lift body (3-2) and roller bearings (3-3);
the hopper turning support plate (3-1) is fixed on the lifting frame body (3-2), the roller bearings (3-3) are symmetrically arranged on the lifting frame body (3-2) through check rings, and the hopper lifting frame (3) slides in the left and right slide rails through the roller bearings (3-3) to realize the lifting of the hopper (5).
7. the electric feeding device according to claim 1, wherein the hopper roll-over stand (4) comprises a roll-over stand body (4-1), a spring pin assembly (4-2), a spring pin mounting plate (4-3) and a pin shaft pad (4-4);
The spring pin assembly (4-2) is fixedly arranged on the spring pin mounting plate (4-3) through a plurality of bolts, and the spring pin mounting plate (4-3) is fixedly arranged on the roll-over stand body (4-1) through a plurality of bolts and a pin shaft pad (4-4).
8. An electric charging device according to claim 7, characterized in that the spring pin assembly (4-2) comprises a spring pin holder (4-2-2), a guide shaft (4-2-4), a spring (4-2-3) and a spring pin pull ring (4-2-1);
The spring pin pull ring (4-2-1) is installed on the guide shaft (4-2-4), the spring (4-2-3), the guide shaft (4-2-4) and the spring pin base (4-2-2) are assembled together, and two pairs of grooves with different depths are formed in the spring pin base (4-2-2) and used for limiting the spring pin in the extending state and the retracting state.
9. A road maintenance vehicle equipped with the electric charging device of any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920557663.1U CN209796887U (en) | 2019-04-23 | 2019-04-23 | Electric feeding device and pavement maintenance vehicle provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920557663.1U CN209796887U (en) | 2019-04-23 | 2019-04-23 | Electric feeding device and pavement maintenance vehicle provided with same |
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| Publication Number | Publication Date |
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| CN209796887U true CN209796887U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920557663.1U Active CN209796887U (en) | 2019-04-23 | 2019-04-23 | Electric feeding device and pavement maintenance vehicle provided with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928222A (en) * | 2019-04-23 | 2019-06-25 | 徐州徐工养护机械有限公司 | A kind of electronic feeding device and the pavement maintenance truck for installing it |
| CN111232673A (en) * | 2020-03-02 | 2020-06-05 | 上海斐而瑞制药设备有限公司 | Multifunctional barrel body feeding vehicle |
-
2019
- 2019-04-23 CN CN201920557663.1U patent/CN209796887U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928222A (en) * | 2019-04-23 | 2019-06-25 | 徐州徐工养护机械有限公司 | A kind of electronic feeding device and the pavement maintenance truck for installing it |
| CN111232673A (en) * | 2020-03-02 | 2020-06-05 | 上海斐而瑞制药设备有限公司 | Multifunctional barrel body feeding vehicle |
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