Hybrid high-efficiency buried cable plow

By designing a hybrid power cable paving device that integrates trenching, sand spreading, and terrain detection functions, the problems of high cost and low efficiency in traditional cable laying are solved, achieving efficient and safe cable burial operations.

CN119686401BActive Publication Date: 2026-02-13CHINA CONSTRUCTION INDUSTRIAL & ENERGY ENGINEERING GROUP CO LTD
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Patent Information

Application Number
CN202411592376.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2026-02-13
Estimated Expiration
2044-11-08

AI Technical Summary

Technical Problem

Traditional cable or conduit laying methods are expensive and time-consuming, requiring various mechanical equipment and a large amount of manpower, resulting in high costs and low efficiency.

Method used

Design a hybrid-powered, high-efficiency ploughing device for laying buried cables, integrating drive equipment, laying mechanism, sand removal mechanism, cable dismantling mechanism, and terrain detection mechanism. It utilizes ploughing cutters to dig trenches, sand removal mechanism to lay sand, terrain detection and avoidance mechanism, and solar hybrid power supply to reduce manual labor input.

Benefits of technology

It improves cable laying efficiency, reduces labor requirements, enhances equipment mobility and obstacle avoidance capabilities, and ensures the safety and reliability of the laying process.

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Abstract

The application discloses a kind of mixed power high-efficiency laying buried cable ploughing device, the drive equipment includes vehicle body, cable dismounting mechanism is fixedly connected with the bottom of sand discharge mechanism near;The laying mechanism includes screw rod, the screw rod is rotatably connected in the inside of vehicle body, the sliding block is threadedly connected on the outside of screw rod, the screw rod top is fixedly connected to motor, the second motor in the drive sand discharge mechanism makes that conveying plate is located in the inside of sand cylinder and rotates, sand is divided by the baffle in the inside of sand cylinder, then by the rotation of conveying plate and is sent to the position of pipe mouth after rear slot and is laid sand, immediately pressure wheel just cable is pressed to on the top of sand, with walking forward, cable is collected and placed in underground, direct-buried cable, so that integrated ploughing device has the working efficiency of high-efficiency laying buried cable, while improving the working efficiency of laying buried cable, personnel's investment is also reduced.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of cable plowing equipment, and particularly relates to a hybrid high-efficiency buried cable plowing device. BACKGROUND

[0002] The cable plowing device is a device for cable laying and burying. It is mainly used for burying cables to the designated position underground or under the sea to protect and fix the cables and enable them to smoothly transmit power, communication or data signals. The cable plowing device is usually composed of a plow tip with a sharp cutter, one or more cables or ropes, and a driving system. The plow tip is used to cut the ground or the seabed so that the cable can automatically sink to the required depth. The cable or rope is used to drag and control the movement of the cable underground or under the sea. The driving system can be a hydraulic system that applies appropriate force to the device to propel the plow tip and the cable. The cable plowing device can be used in various terrain conditions, including land, desert, mountainous area, lake and ocean. It is widely used in power, communication, Internet and petrochemical industries to meet different cable laying needs. Using the cable plowing device can improve work efficiency, reduce manual labor and ensure the safety and reliability of the cable.

[0003] The traditional cable or pipeline laying method (using an open trench structure) is very expensive and time-consuming because many work steps are required, and most of the cable or pipeline laying work is completed by different mechanical equipment, which not only increases the cost requirement but also requires more workers to be invested, thereby bringing certain inconvenience. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the existing defects and provide a hybrid high-efficiency buried cable plowing device to solve the problem of the traditional cable or pipeline laying method (using an open trench structure) being very expensive and time-consuming because many work steps are required, and most of the cable or pipeline laying work is completed by different mechanical equipment, which not only increases the cost requirement but also requires more workers to be invested, thereby bringing certain inconvenience.

[0005] To achieve the above purpose, the application provides the following technical scheme: a hybrid high-efficiency buried cable plowing device, comprising a driving device, a laying mechanism, a sand discharging mechanism, a cable dismounting mechanism and a terrain detection mechanism:

[0006] The driving device comprises a vehicle body, and the vehicle body is fixedly connected with the cable dismounting mechanism near the bottom of the sand discharging mechanism;

[0007] The laying mechanism comprises a screw rod, the screw rod is rotationally connected inside the vehicle body, a sliding block is threadedly connected outside the screw rod, the top of the screw rod is fixedly connected to a motor, one side of the sliding block is provided with a fixed plate, the fixed plate is symmetrically fixedly connected from top to bottom with a first fixed seat, a second fixed seat and a third fixed seat on one side, a guide separation wheel is rotationally connected between the two first fixed seats, an adjustable guide box is adjustably connected between the two second fixed seats, the guide box is provided with a separation groove inside, a pressing wheel is rotationally connected between the two third fixed seats, and the bottom of the fixed plate is fixedly connected with a ploughing cutter head.

[0008] The sand discharging mechanism comprises a sand cylinder, a partition plate is fixedly connected to the upper end inside the sand cylinder, a conveying plate is rotationally connected to the bottom of the partition plate, the conveying plate is fixedly connected to the output end of a second motor, a pipeline is symmetrically fixedly connected to the lower end outside the sand cylinder, a discharge port is arranged at the bottom of the pipeline, and the discharge port penetrates the inside of the ploughing cutter head.

[0009] The cable dismounting mechanism comprises a positioning plate and a rotating plate, the positioning plate is fixedly connected to one side of a driving device, the rotating plate is rotationally connected to the driving device through a hinge, one side of the positioning plate is fixedly connected with a positioning column, and the positioning column is rotationally connected with a cable reel outside.

[0010] Preferably, the upper end of one side of the vehicle body is symmetrically fixedly connected with a supporting seat, supporting legs are arranged at the four corners of the vehicle body, the upper end of one side of the supporting leg is fixedly connected with a connecting seat, the inside of the supporting seat and the inside of the connecting seat are both rotationally connected with rotating cylinders, a hydraulic telescopic rod is fixedly connected between the two rotating cylinders, a roller is rotationally connected to the lower end inside the supporting leg, and one end of the roller is fixedly connected to the output end of a first motor.

[0011] Preferably, one side of the inside of the driving device is respectively fixedly connected with a storage battery and a control terminal, the other side of the driving device is fixedly connected with a diesel oil injection hole, and the supporting leg is rotationally connected to the vehicle body through a rotating shaft.

[0012] Preferably, the top of the vehicle body is fixedly connected with a support, the top of the support is fixedly connected with a solar cell panel, and the adjacent side of the vehicle body is fixedly connected with a counterweight.

[0013] Preferably, the fixed plate is fixedly connected with the sliding block through bolts.

[0014] Preferably, the sliding block, the fixed plate and the ploughing cutter head are all made of alloy steel.

[0015] Preferably, the top of the supporting plate is provided with a through hole, the second motor is fixedly connected to the bottom of the supporting plate, the pipeline penetrates the inside of the vehicle body, and the pipeline is in a Y-shaped structure.

[0016] Preferably, the positioning plate is provided with at least five, one side of the positioning plate is rotatably connected with a lock plate, one side of the rotating plate is fixedly connected with a locking block, the lock plate and the locking block are clamped together, and the inside of the positioning plate and the rotating plate is provided with a lightening groove.

[0017] Preferably, the terrain detection mechanism comprises a third motor, and the output end of the third motor is fixedly connected with a detection device.

[0018] Preferably, the third motor is fixedly connected with the driving device through bolts, and the detection device is fixedly connected with a protective cover at the top.

[0019] Compared with the prior art, the application provides a hybrid high-efficiency buried cable laying plough device, which has the following advantages:

[0020] 1. The hybrid high-efficiency buried cable laying plough device is provided, which can be moved to the position where the buried cable needs to be laid by driving the device during use, the cable in the cable reel is inserted into the through hole and then guided between the separation wheel and the fixed plate for positioning of multiple lines, and the line penetrates the inside of the guide box and is located at the bottom of the compression wheel, so that the ploughing cutter head provided at the bottom of the driving device can dig a groove in the ground during the movement of the plough device, the second motor provided in the sand discharging mechanism drives the conveying plate to rotate in the inside of the sand cylinder, the sand is divided by the partition plate provided in the inside of the sand cylinder, and then the sand is conveyed to the position of the slot in the pipeline by the rotation of the conveying plate, and the compression wheel can press the cable above the sand, so that the cable is collected and placed in the ground, and the direct buried cable is obtained, so that the integrated plough device has high work efficiency for laying buried cable, and the personnel investment is reduced while the work efficiency for laying buried cable is improved.

[0021] 2. The terrain detection mechanism is provided, so that the ground can be monitored in real time by the detection device provided in the terrain detection mechanism during the movement of the plough device, the plough device can directly cut small stones and avoid large stones, the third motor provided at the bottom of the detection device can increase the monitoring range, and the work efficiency of the plough device for laying buried cable is effectively improved.

[0022] 3. The driving device and the solar cell panel are provided, the plough device has good moving and avoiding abilities by the hydraulic telescopic rod during the movement of the plough device, the solar cell panel provided at the top of the driving device can convert solar energy into electric energy and store it in the storage battery, so as to supply the plough device, the diesel oil filling hole provided at the other side of the driving device can provide power for the plough device by diesel oil, so that the plough device has a hybrid effect.

[0023] 4、The present application through the setting of the counterweight, during the operation of the plowing device, the counterweight provided at the front end of the driving device can increase the stability of the front end of the device, to avoid the possibility of the plowing device being overturned caused by the excessive weight of the tail end, thereby increasing the safety of the device during use. BRIEF DESCRIPTION OF DRAWINGS

[0024] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of the specification, illustrate embodiments of the present application and are used to explain the present application, and do not constitute a limitation of the present application, in the drawings:

[0025] Figure 1 A schematic view of the shaft side structure of one side of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0026] Figure 2 A schematic view of the shaft side structure of the other side of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0027] Figure 3 A schematic view of the discharge port structure of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0028] Figure 4 A schematic view of the through hole structure of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0029] Figure 5 A schematic view of the laying mechanism of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0030] Figure 6 A schematic view of the terrain detection mechanism of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0031] Figure 7 A schematic view of the support plate structure of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0032] Figure 8 A schematic view of the sliding block structure of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0033] Figure 9 A schematic view of the plowing cutter head structure of the mixed power high-efficiency buried cable plowing device proposed by the present application;

[0034] As shown in the drawings, the device comprises a driving device 1, a vehicle body 101, a battery 102, a control terminal 103, a diesel oil injection hole 104, a supporting seat 105, a rotating drum 106, a supporting leg 107, a rotating shaft 108, a connecting seat 109, a hydraulic telescopic rod 110, a roller 111, a first motor 112, a support 2, a solar panel 3, a counterweight 4, a laying mechanism 5, a screw rod 501, a sliding block 502, a motor 503, a fixed plate 504, a screw bolt 505, a first fixed seat 506, a guide separating wheel 507, a second fixed seat 508, a guide box 509, a separating groove 510, a third fixed seat 511, a pressing wheel 512, a ploughing cutter head 513, a sand discharging mechanism 6, a sand drum 601, a partition plate 602, a conveying plate 603, a second motor 604, a pipeline 605, a discharging port 606, a supporting plate 7, a through hole 8, a cable dismounting mechanism 9, a positioning plate 901, a positioning column 902, a cable reel 903, a rotating plate 904, a hinge 905, a weight-reducing groove 906, a locking plate 907, a locking block 908, a terrain detecting mechanism 10, a third motor 1001, a detecting device 1002 and a protective cover 1003. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0036] Please refer to Figures 1-9 The present application provides a technical solution: a hybrid high-efficiency ploughing device for laying buried cable, which comprises a driving device 1, a laying mechanism 5, a sand discharging mechanism 6, a cable dismounting mechanism 9 and a terrain detecting mechanism 10.

[0037] The driving device 1 comprises a vehicle body 101, and the cable dismounting mechanism 9 is fixedly connected to the bottom of the sand discharging mechanism 6.

[0038] The laying mechanism 5 comprises a screw rod 501, which is rotatably connected to the inside of the vehicle body 101, and the outer side of the screw rod 501 is threadedly connected with a sliding block 502; the top of the screw rod 501 is fixedly connected with a motor 503; one side of the sliding block 502 is provided with a fixed plate 504; one side of the fixed plate 504 is fixedly connected with a first fixed seat 506, a second fixed seat 508 and a third fixed seat 511 from top to bottom; the first fixed seat 506 is rotatably connected with a guide separating wheel 507 between two first fixed seats 506; the second fixed seat 508 is adjustably connected with a guide box 509 between two second fixed seats 508; the guide box 509 is provided with a separating groove 510 inside; the third fixed seat 511 is rotatably connected with a pressing wheel 512 between two third fixed seats 511; and the bottom of the fixed plate 504 is fixedly connected with a ploughing cutter head 513.

[0039] The sand discharging mechanism 6 comprises a sand cylinder 601, an upper end inside the sand cylinder 601 is fixedly connected with a partition plate 602, a bottom of the partition plate 602 is rotatably connected with a conveying plate 603, the conveying plate 603 is fixedly connected with an output end of a second motor 604, lower ends of the outside of the sand cylinder 601 are symmetrically fixedly connected with pipes 605, and bottom portions of the pipes 605 are provided with discharge ports 606, the discharge ports 606 penetrate the inside of the ploughing cutter head 513.

[0040] The cable dismounting mechanism 9 comprises a positioning plate 901 and a rotating plate 904, the positioning plate 901 is fixedly connected with one side of the driving device 1, the rotating plate 904 is rotatably connected with the driving device 1 through a hinge 905, one side of the positioning plate 901 is fixedly connected with a positioning column 902, the positioning column 902 is rotatably connected with a cable reel 903 outside, the cable in the cable reel 903 is inserted into the through hole 8, guided between the separating wheel 507 and the fixed plate 504, penetrates the inside of the guiding box 509 and is located at the bottom of the pressing wheel 512, the ploughing cutter head 513 provided at the bottom of the driving device 1 can dig grooves on the ground during the movement of the ploughing device, the second motor 604 provided in the sand discharging mechanism 6 drives the conveying plate 603 to rotate in the inside of the sand cylinder 601, the sand is divided by the partition plate 602 provided in the inside of the sand cylinder 601, then the sand is conveyed to the pipe 605 by the rotation of the conveying plate 603 and is laid on the position of the slot, the cable is pressed on the top of the sand by the pressing wheel 512, and the cable is collected and placed into the ground along with the movement forward, so that the direct-buried cable is obtained.

[0041] In the application, preferably, the upper end of one side of the vehicle body 101 is symmetrically fixedly connected with a supporting seat 105, supporting legs 107 are arranged at four corners of the vehicle body 101, the upper end of one side of the supporting leg 107 is fixedly connected with a connecting seat 109, the inside of the supporting seat 105 and the inside of the connecting seat 109 are rotatably connected with rotating cylinders 106, the two rotating cylinders 106 are fixedly connected with a hydraulic telescopic rod 110, the lower end of the inside of the supporting leg 107 is rotatably connected with a roller 111, and one end of the roller 111 is fixedly connected with an output end of a first motor 112.

[0042] In the application, preferably, the inside of one side of the driving device 1 is fixedly connected with a storage battery 102 and a control terminal 103 respectively, the other side of the driving device 1 is fixedly connected with a diesel oil injection hole 104, and the supporting leg 107 is rotatably connected with the vehicle body 101 through a rotating shaft 108.

[0043] In the application, preferably, the top of the vehicle body 101 is fixedly connected with a support 2, the top of the support 2 is fixedly connected with a solar cell panel 3, and the adjacent side of the vehicle body 101 is fixedly connected with a counterweight 4.

[0044] In the application, preferably, the fixing plate 504 is fixedly connected with the sliding block 502 through the bolt 505.

[0045] In the application, preferably, the sliding block 502, the fixing plate 504 and the plough head 513 are all made of alloy steel.

[0046] In the application, preferably, the top of the support plate 7 is provided with the through hole 8, the second motor 604 is fixedly connected to the bottom of the support plate 7, the pipeline 605 penetrates the inside of the vehicle body 101, and the pipeline 605 is a Y-shaped structure.

[0047] In the application, preferably, the positioning plate 901 is provided with at least five, one side of the positioning plate 901 is rotatably connected with the lock plate 907, one side of the rotating plate 904 is fixedly connected with the locking block 908, the lock plate 907 and the locking block 908 are clampedly connected, and the inside of the positioning plate 901 and the rotating plate 904 is provided with the lightening groove 906.

[0048] In the application, preferably, the terrain detection mechanism 10 comprises a third motor 1001, and the output end of the third motor 1001 is fixedly connected with a detection device 1002.

[0049] In the application, preferably, the third motor 1001 is fixedly connected with the driving device 1 through the bolt, and the top of the detection device 1002 is fixedly connected with a protective cover 1003.

[0050] The working principle and use process of the application: when in use, the device is driven to move to the position where the buried cable is laid, the cable in the cable roll 903 is inserted into the through hole 8 and guided between the partition wheel 507 and the fixed plate 504 for positioning of multiple, and penetrates the inside of the guide box 509 and is located at the bottom of the compression wheel 512, so that the ploughing cutter head 513 provided at the bottom of the driving device 1 can dig a groove in the ground during the movement of the ploughing device, and the second motor 604 provided in the sand discharging mechanism 6 makes the conveying plate 603 rotate in the inside of the sand cylinder 601, the sand is divided by the partition plate 602 provided in the sand cylinder 601, and then conveyed to the position of the slot in the pipeline 605 by the rotation of the conveying plate 603, and the compression wheel 512 presses the cable above the sand, and as it goes forward, the cable is collected and placed underground, and the direct buried cable, so that the integrated ploughing device has high work efficiency for laying buried cable, reduces the personnel investment while improving the work efficiency of laying buried cable, and the detection device 1002 provided in the terrain detection mechanism 10 can detect the ground in real time, so that the ploughing device can directly cut small stones and stop to avoid large stones, and the third motor 1001 provided at the bottom of the detection device 1002 can increase the monitoring range, thereby effectively improving the work efficiency of the ploughing device for laying buried cable, the hydraulic telescopic rod 110 can make the ploughing device have good moving and avoiding ability, and the solar cell panel 3 provided at the top of the driving device 1 can convert solar energy into electrical energy, and then store it in the storage battery 102, so as to supply the ploughing device, and the diesel oil injection hole 104 provided on the other side of the driving device 1 can make the ploughing device apply diesel oil to provide power, so that the ploughing device has the effect of hybrid.

[0051] Although embodiments of the application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. A mixed power high-efficiency buried cable plowing device, comprising a driving device (1), a laying mechanism (5), a sand discharging mechanism (6), a cable dismounting mechanism (9) and a terrain detecting mechanism (10), characterized in that: the driving device (1) comprises a vehicle body (101), and the cable dismounting mechanism (9) is fixedly connected to the bottom of the sand discharging mechanism (6) close to the vehicle body (101); the laying mechanism (5) comprises a screw rod (501), the screw rod (501) is rotationally connected in the interior of the vehicle body (101), a sliding block (502) is threadedly connected to the outer side of the screw rod (501), a motor (503) is fixedly connected to the top of the screw rod (501), a fixed plate (504) is arranged on one side of the sliding block (502), a first fixed seat (506), a second fixed seat (508) and a third fixed seat (511) are symmetrically and fixedly connected to one side of the fixed plate (504) from top to bottom, a guide separating wheel (507) is rotationally connected between the two first fixed seats (506), an adjustable guide box (509) is adjustably connected between the two second fixed seats (508), a separating groove (510) is arranged in the guide box (509), a press wheel (512) is rotationally connected between the two third fixed seats (511), and a plowing cutter head (513) is fixedly connected to the bottom of the fixed plate (504); the sand discharging mechanism (6) comprises a sand cylinder (601), a partition plate (602) is fixedly connected to the upper end in the interior of the sand cylinder (601), a conveying plate (603) is rotationally connected to the bottom of the partition plate (602), the conveying plate (603) is fixedly connected to the output end of a second motor (604), a pipeline (605) is symmetrically and fixedly connected to the lower end of the outer side of the sand cylinder (601), a discharge port (606) is arranged on the bottom of the pipeline (605), and the discharge port (606) penetrates the interior of the plowing cutter head (513); the cable dismounting mechanism (9) comprises a positioning plate (901) and a rotating plate (904), the positioning plate (901) is fixedly connected to one side of the driving device (1), the rotating plate (904) is rotationally connected to the driving device (1) through a hinge (905), a positioning column (902) is fixedly connected to one side of the positioning plate (901), and a cable reel (903) is rotationally connected to the outer side of the positioning column (902). An upper end of one side of the vehicle body (101) is symmetrically and fixedly connected with a supporting seat (105), supporting legs (107) are arranged at the four corners of the vehicle body (101), a connecting seat (109) is fixedly connected to the upper end of one side of the supporting leg (107), a rotating cylinder (106) is rotationally connected in the interior of each of the supporting seat (105) and the connecting seat (109), a hydraulic telescopic rod (110) is fixedly connected between the two rotating cylinders (106), a roller (111) is rotationally connected to the lower end in the interior of the supporting leg (107), and one end of the roller (111) is fixedly connected to the output end of a first motor (112). ​ ​ ​ 2. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: ​ 3. A hybrid high-efficiency buried cable plow according to claim 2, characterized in that: The driving device (1) is fixedly connected with a battery (102) and a control terminal (103) on one side, and is fixedly connected with a diesel oil injection hole (104) on the other side.

4. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: The top of the vehicle body (101) is fixedly connected with a support (2), the top of the support (2) is fixedly connected with a solar cell panel (3), and the adjacent side of the vehicle body (101) is fixedly connected with a counterweight (4).

5. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: The fixed plate (504) is fixedly connected with the sliding block (502) through bolts (505).

6. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: The sliding block (502), the fixed plate (504) and the plough blade (513) are all made of alloy steel.

7. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: The top of the support plate (7) is provided with a through hole (8), the second motor (604) is fixedly connected to the bottom of the support plate (7), the pipeline (605) penetrates the inside of the vehicle body (101), and the pipeline (605) is in a Y-shaped structure.

8. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: The positioning plate (901) is provided with at least five, one side of the positioning plate (901) is rotatably connected with a lock plate (907), one side of the rotating plate (904) is fixedly connected with a locking block (908), the lock plate (907) and the locking block (908) are clampedly connected, and the inside of the positioning plate (901) and the rotating plate (904) is provided with a lightening groove (906).

9. A hybrid high-efficiency buried cable plow according to claim 1, characterized in that: The terrain detection mechanism (10) comprises a third motor (1001), and the output end of the third motor (1001) is fixedly connected with a detection device (1002).

10. A hybrid high-efficiency buried cable plow apparatus according to claim 9, wherein: The third motor (1001) is fixedly connected with the driving device (1) through bolts, and the detection device (1002) is fixedly connected with a protective cover (1003) on the top.

Citation Information

Patent Citations

  • BE703789A

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    CN106522300A