A cable laying device for engineering construction

Abstract

The present invention relates to the field of construction engineering technology, and discloses a cable laying device for engineering construction, including laying equipment, the laying equipment including a mobile vehicle, a vertical plate installed above the laying equipment, a cable installation shaft installed in the vertical plate, a cable installed in the cable installation shaft, an excavation plate installed at the bottom of the mobile vehicle, a foundation compacting device installed in the laying equipment, the side wall of the excavation plate is of a sharp design, the foundation compacting device includes a piston shell arranged at the bottom of the mobile vehicle, a piston inner rod is slidably connected in the piston shell, one end of the piston inner rod is fixedly connected to the compacting plate, the sliding of the piston inner rod is driven by a driving device, and the piston inner rod is rectangular. This solution has the beneficial effect of breaking up the soil during the movement of the laying device, solving the problem that the excavation plate is difficult to excavate the soil for soil with a relatively hard texture.

Description

Technical Field

[0001] The present invention relates to the technical field of construction engineering, in particular to a cable laying device for engineering construction. Background Art

[0002] Cables are essential equipment for transmitting electrical energy and are the most heavily used equipment in power systems. Cable laying is necessary in many scenarios. For example, after the start of any large-scale construction project, the first priority is to lay cables to supply power to the construction site and provide power support for subsequent production and construction.

[0003] Therefore, cable laying is crucial for construction sites. It not only meets the power and communication needs of the construction process but also ensures safety and order on the construction site. For example, in key construction areas such as tower cranes, rebar processing rooms, and floors, power cables are required to supply power to various electromechanical equipment. Inside and outside the building, electrical wires and cables are required for power transmission and lighting. Specialized wires and cables may also be required in underground and underwater environments. The laying of these cables must adhere to specific standards and specifications to ensure their safe and reliable operation.

[0004] However, at present, for laying cables, it is usually necessary to first dig a pre-buried groove in the ground, and then dig the groove using a digging plate installed at the bottom of the trolley while the trolley is moving. However, this digging method requires the use of a digging plate to dig the soil in the groove. However, due to the different quality of the soil, for soft soil, the digging plate can directly dig the soil, but for hard soil, the digging plate is not easy to dig the soil; therefore, it does not meet the existing needs. In this regard, we propose a cable laying device for engineering construction. Summary of the Invention

[0005] The present invention provides a cable laying device for engineering construction, which has the beneficial effect of breaking up the soil during the movement of the laying device, solving the problem mentioned in the above background technology that it is difficult for the excavation board to excavate the soil with a harder texture.

[0006] The present invention provides the following technical solution: a cable laying device for engineering construction, including laying equipment, the laying equipment including a mobile vehicle, a vertical plate installed above the mobile vehicle, a cable installation shaft installed in the vertical plate, a cable installed in the cable installation shaft, an excavation plate installed at the bottom of the mobile vehicle, a foundation compacting device installed in the laying equipment, and the side walls of the excavation plate are designed to be sharp.

[0007] The foundation compacting equipment includes a piston shell arranged at the bottom of the mobile vehicle, a piston inner rod is slidably connected to the piston shell, one end of the piston inner rod is fixedly connected to a compacting plate, the sliding of the piston inner rod is driven by a driving device, and the piston inner rod is rectangular.

[0008] As an optional solution of the cable laying device for engineering construction described in the present invention, a guide rail is installed at the tail of the mobile vehicle, and universal wheels are installed on the side walls of the mobile vehicle.

[0009] As an optional solution of the cable laying device for engineering construction described in the present invention, wherein: the side of the piston inner rod away from the tamping plate is fixedly connected to the piston spring, the other end of the piston spring is installed in the piston outer shell, the side of the piston inner rod close to the piston spring is fixedly connected to the driving rod, the other end of the driving rod is fixedly connected to the driving plate, and the driving plate is driven by the driving device.

[0010] As an optional solution of a cable laying device for engineering construction described in the present invention, the driving device includes a mounting groove and a center groove provided in the mobile vehicle, a driving motor is installed in the center groove, the output end of the driving motor is fixedly connected to a center rotating rod, the center rotating rod is installed in the mounting groove, the side wall of the center rotating rod is fixedly connected to a vibration driving block, and the vibration driving block is used to resist the driving plate.

[0011] As an optional solution for a cable laying device for engineering construction described in the present invention, an excavation lifting device is provided in the excavation plate, and the excavation lifting device includes a through groove opened in the excavation plate, a rotating shaft is installed in the through groove, a conveyor belt is provided on the outer wall of the rotating shaft, a lifting plate is installed on the side wall of the conveyor belt, and a pointed block is designed at one end of the lifting plate.

[0012] As an optional solution of the cable laying device for engineering construction described in the present invention, the rotation of the rotating shaft is driven by a transmission assembly, and the transmission assembly includes a placement groove opened in the excavation plate, one of the rotating shafts is fixedly connected to a connecting shaft, one side of the connecting shaft is fixedly connected to a No. 1 bevel gear, the No. 1 bevel gear is meshed and connected to a No. 2 bevel gear, and the No. 2 bevel gear is rotatably connected in the placement groove.

[0013] As an optional solution for a cable laying device for engineering construction described in the present invention, a transmission belt is provided on one side of the No. 2 bevel gear, and a transmission gear is provided on the other side of the transmission belt. The transmission gear is rotatably connected in a circular groove, and the circular groove is provided in the mobile vehicle. The transmission gear is meshed with a tooth groove, and the tooth groove is provided in the central rotating rod.

[0014] As an optional solution for a cable laying device for engineering construction described in the present invention, a shaking device is provided in the excavation plate, and the shaking device includes a rotating groove opened in the conveyor belt, a rotating block is rotatably connected in the rotating groove, and one end of the rotating block is fixedly connected to one side of the lifting plate.

[0015] As an optional solution to the cable laying device for construction engineering, the present invention further provides that: the rotating block and the rotating groove are connected via a torsion spring. As an optional solution to the cable laying device for construction engineering, the present invention further provides that: a shaking gear is mounted on the side wall of the rotating block, the shaking gear is meshed with a drive rack, and the drive rack is mounted on the inner wall of the excavation plate.

[0016] The present invention has the following beneficial effects:

[0017] 1. The cable laying device used in the construction of this project. The workers first dig a small groove at the location where the equipment is to be installed, and then place one end of the cable in the groove, and reserve a distance to facilitate the installation of the cable and the electrical equipment. At this time, the mobile car is placed on the ground, and the guide rail is driven into the groove just dug, and the excavation plate is also placed in the groove. At this time, the workers control the mobile car to move along the established route. Due to the design of the excavation and lifting device in the excavation plate, the soil can be dug during the movement of the car, so as to facilitate the subsequent laying of the cable along the established route. The excavation and lifting device is designed to dig the soil, and under the transmission drive of the drive device and the transmission assembly , the digging plate and the lifting plate begin to dig the soil. Under the transmission of the driving device and the transmission assembly, the rotating shaft begins to rotate and drives the lifting plate to start moving. Since the side walls of the digging plate are all sharp, the digging plate itself can dig the soil to a certain extent. In order to further improve the excavation efficiency of the soil, through the continuous lifting of the lifting plate, the soil can be resisted by the lifting plate before excavation through the sharp design of one end of the lifting plate, and holes are generated. As the lifting plate is lifted, grooves are formed on the soil surface, thereby driving the soil into a loose state. This design is conducive to improving the excavation efficiency of the digging plate on the soil.

[0018] 2. The cable laying device for engineering construction uses the rotation of the central rotating rod to make the vibration driving block fixedly connected to the side wall of the central rotating rod rotate synchronously. While the vibration driving block rotates with the central rotating rod, the vibration driving block continuously resists the driving plate on one side, driving the driving plate and the driving rod and piston inner rod fixedly connected thereto to squeeze downward, thereby driving the tamping plate installed on one side of the piston inner rod to continuously hit the soil, while the driving plate on the other side will continuously slide upward under the rotation of the vibration driving block until the vibration driving block is disengaged from the drive of the driving plate. At this time, the driving plate and the driving rod and piston inner rod fixedly connected thereto will slide downward rapidly under the action of the piston spring, and drive the tamping plate to hit the soil. Through this design, the soil can be compacted to avoid the risk of notch collapse, effectively ensuring the normal progress of cable laying.

[0019] 3. This construction cable laying device utilizes a drive rack mounted on the inner wall of the excavation plate, which interacts with a vibrating gear mounted on one side of the lifting plate. This design allows the lifting plate to move vertically while also providing rotational motion. As the lifting plate moves vertically, the vibrating gear mounted on the side of the plate moves with the overall mechanical motion. By meshing with the drive rack, it converts linear motion into rotational motion of the lifting plate. This design not only increases the dynamics of excavation operations but also significantly improves efficiency. The rotation of the lifting plate drives the synchronous rotation of its tip. Considering the practical needs of soil excavation, the tip of the lifting plate is designed with a blade-like shape. This shape not only increases the contact area between the tip and the soil, but also, through its rotational motion, allows the blade-shaped sidewalls to more effectively cut into the soil, breaking it up and loosening it. Compared to traditional static excavation methods, this dynamic rotational soil loosening method significantly reduces excavation resistance and improves excavation efficiency, especially when working with difficult-to-excavate soil types such as hard soil or clay. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a schematic diagram of the structure of the present invention from above.

[0022] Figure 3 For the present invention Figure 2 Schematic diagram of the structure of Figure 1-1.

[0023] Figure 4 For the present invention Figure 2 Schematic diagram of the structure of Figure 2-2.

[0024] Figure 5 For the present invention Figure 4Enlarged structural diagram at point A in the middle.

[0025] Figure 6 For the present invention Figure 2 Schematic diagram of the 3-3 structure.

[0026] Figure 7 For the present invention Figure 2 Schematic diagram of the 4-4 structure.

[0027] Figure 8 For the present invention Figure 6 Enlarged structural diagram at point B in the middle.

[0028] Figure 9 For the present invention Figure 7 Enlarged structural diagram at point C in the middle.

[0029] Figure 10 It is a schematic diagram of the cross-sectional structure of the excavation and lifting device of the present invention.

[0030] Figure 11 For the present invention Figure 10 Enlarged structural diagram at point D in the middle.

[0031] Figure 12 It is a schematic structural diagram of the tip of the lifting plate of the present invention.

[0032] Figure: 1. Laying equipment; 11. Mobile vehicle; 12. Vertical plate; 13. Cable installation shaft; 14. Cable; 15. Guide rail; 16. Universal wheel; 17. Excavation plate; 2. Foundation compaction equipment; 21. Piston housing; 22. Piston inner rod; 23. Compacting plate; 24. Piston spring; 25. Drive rod; 26. Drive plate; 3. Drive device; 31. Mounting slot; 32. Center slot; 33. Center rotating rod; 34. Drive motor; 35 , vibration drive block; 4. Excavation and lifting device; 41. Through groove; 42. Rotating shaft; 43. Conveyor belt; 44. Lifting plate; 5. Transmission assembly; 51. Placement groove; 52. Connecting shaft; 53. No. 1 bevel gear; 54. No. 2 bevel gear; 55. Transmission belt; 56. Transmission gear; 57. Circular groove; 58. Tooth groove; 6. Shaking device; 61. Rotating block; 62. Rotating groove; 63. Shaking gear; 64. Driving rack; 65. Torsion spring. DETAILED DESCRIPTION

[0033] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Example 1: This example aims to solve the problem that the soil excavation board is difficult to dig into the soil with a hard texture. Figures 1 to 12 A cable laying device for engineering construction includes a laying device 1, which includes a mobile vehicle 11. A vertical plate 12 is installed above the mobile vehicle 11, a cable installation shaft 13 is installed in the vertical plate 12, a cable 14 is installed in the cable installation shaft 13, an excavation plate 17 is installed at the bottom of the mobile vehicle 11, and a foundation compacting device 2 is installed in the laying device 1.

[0035] A guide rail 15 is installed at the rear of the moving vehicle 11 , and universal wheels 16 are installed on the side walls of the moving vehicle 11 .

[0036] The vertical plate 12 is designed to install the cable installation shaft 13. Since the power of the electrical equipment on the construction site is large, the weight of its cable 14 is also large. Therefore, when a section of cable 14 is located at the bottom of the cable installation shaft 13, as the mobile vehicle 11 moves, the cable installation shaft 13 will rotate synchronously and send the cable 14 into the embedded groove along the guide rail 15. The guide rail 15 is designed to guide the cable 14 into the embedded groove. Compared with directly sending the cable 14 into the embedded groove, the design of the guide rail 15 greatly reduces the contact between the cable 14 and the soil, and effectively avoids the cable 14 from being damaged due to contact with sharp objects in the soil.

[0037] The worker first digs a small section of the placement groove 51 at the location where the equipment is to be installed, then places one end of the cable 14 in the groove, and reserves a distance to facilitate the installation of the cable 14 and the electrical equipment. At this time, the mobile vehicle 11 is placed on the ground, and the guide rail 15 is driven into the groove just dug, and the excavation plate 17 is also placed in the groove. At this time, the worker controls the mobile vehicle 11 to move along the established route. Due to the design of the excavation and lifting device 4 in the excavation plate 17, the soil can be dug up during the movement of the vehicle, so as to facilitate the subsequent laying of the cable 14 along the established route.

[0038] An excavation lifting device 4 is provided in the excavation plate 17. The excavation lifting device 4 includes a through groove 41 opened in the excavation plate 17. A rotating shaft 42 is installed in the through groove 41. A conveyor belt 43 is provided on the outer wall of the rotating shaft 42. A lifting plate 44 is installed on the side wall of the conveyor belt 43.

[0039] The excavation and lifting device 4 is designed to dig the soil. Under the drive of the driving device 3 and the transmission component 5, the excavation plate 17 and the lifting plate 44 start to excavate the soil. Under the drive of the driving device 3 and the transmission component 5, the rotating shaft 42 starts to rotate and drives the lifting plate 44 to start moving. Since the side walls of the excavation plate 17 are all sharp, the excavation plate 17 itself can excavate the soil to a certain extent. In order to further improve the excavation efficiency of the soil, through the continuous lifting of the lifting plate 44, before the excavation plate 17 excavates, the sharp design of one end of the lifting plate 44 can make the soil resisted by the lifting plate 44 before excavation, and holes can be generated. As the lifting plate 44 is lifted, grooves are formed on the soil surface, thereby driving the soil into a loose state. This design is conducive to improving the excavation efficiency of the excavation plate 17 on the soil.

[0040] The driving device 3 includes an installation groove 31 and a center groove 32 opened in the mobile vehicle 11. A driving motor 34 is installed in the center groove 32. The output end of the driving motor 34 is fixedly connected to a center rotating rod 33. The center rotating rod 33 is installed in the installation groove 31. The side wall of the center rotating rod 33 is fixedly connected to a vibration driving block 35. The vibration driving block 35 is used to resist the driving plate 26.

[0041] The rotation of the rotating shaft 42 is driven by the transmission assembly 5, which includes a placement groove 51 opened in the excavation plate 17, wherein some of the rotating shafts 42 are fixedly connected to the connecting shaft 52, and one side of the connecting shaft 52 is fixedly connected to the first bevel gear 53, and the first bevel gear 53 is meshedly connected to the second bevel gear 54, and the second bevel gear 54 is rotatably connected in the placement groove 51.

[0042] A transmission belt 55 is provided on one side of the second bevel gear 54, and a transmission gear 56 is provided on the other side of the transmission belt 55. The transmission gear 56 is rotatably connected in a circular groove 57, which is provided in the mobile vehicle 11. The transmission gear 56 is meshed with a tooth groove 58, which is provided in the central rotating rod 33.

[0043] The driving device 3 and the transmission assembly 5 are designed to drive the rotating shaft 42 to rotate. Under the drive of the driving motor 34, the central rotating rod 33 starts to rotate. At this time, the tooth groove 58 opened on the side wall of the central rotating rod 33 will drive the transmission gear 56 to rotate in the circular groove 57. Since one side of the transmission gear 56 is connected to the second bevel gear 54 through the transmission belt 55, the transmission gear 56 will drive the second bevel gear 54 to rotate through the transmission belt 55. Due to the meshing connection between the second bevel gear 54 and the first bevel gear 53, and the first bevel gear 53 is installed on one side of the rotating shaft 42 through the connecting shaft 52, the rotation of the second bevel gear 54 will synchronously drive the rotating shaft 42 to rotate, and then drive the conveyor belt 43 to control the lifting plate 44 installed on the surface of the conveyor belt 43 to move.

[0044] Example 2: This example is intended to help solve the problem that the excavated soil is relatively loose and may cause collapse. This example is an explanation based on Example 1. For details, please refer to Figures 1 to 12 The foundation compacting equipment 2 includes a piston shell 21 fixedly connected to the bottom of the mobile vehicle 11, a piston inner rod 22 is slidably connected inside the piston shell 21, one end of the piston inner rod 22 is fixedly connected to a compacting plate 23, and the sliding of the piston inner rod 22 is driven by the driving device 3.

[0045] The side of the piston inner rod 22 away from the tamping plate 23 is fixedly connected to the piston spring 24, and the other end of the piston spring 24 is installed in the piston outer shell 21. The side of the piston inner rod 22 close to the piston spring 24 is fixedly connected to the drive rod 25, and the other end of the drive rod 25 is fixedly connected to the drive plate 26, which is driven by the drive device 3.

[0046] The rotation of the central rotating rod 33 causes the vibration driving block 35 fixedly connected to the side wall of the central rotating rod 33 to rotate synchronously. When the vibration driving block 35 rotates with the central rotating rod 33, the vibration driving block 35 continuously contacts the driving plate 26 on one side, driving the driving plate 26 and the driving rod 25 and the piston inner rod 22 fixed thereto to squeeze downward, thereby driving the tamping plate 23 installed on one side of the piston inner rod 22 to continuously hit the soil, while the driving plate 26 on the other side will continue to slide upward under the rotation of the vibration driving block 35 until the vibration driving block 35 is disengaged from the drive of the driving plate 26. At this time, the driving plate 26 and the driving rod 25 and the piston inner rod 22 fixed thereto will slide downward rapidly under the action of the piston spring 24, and drive the tamping plate 23 to hit the soil. Through this design, the soil can be compacted, the risk of notch collapse can be avoided, and the normal cable laying can be effectively guaranteed.

[0047] Example 3: This example is intended to solve the problem that the lifting plate 44 has a poor effect on the loosening of the soil. This example is an explanation based on Example 2. For details, please refer to Figures 1 to 12 A shaking device 6 is provided in the excavation plate 17, and the shaking device 6 includes a rotating groove 62 opened in the conveyor belt 43, and a rotating block 61 is rotatably connected in the rotating groove 62, and one end of the rotating block 61 is fixedly connected to one side of the lifting plate 44.

[0048] The rotating block 61 and the rotating slot 62 are connected via a torsion spring 65 .

[0049] A shaking gear 63 is installed on the side wall of the rotating block 61 . The shaking gear 63 is meshedly connected with a driving rack 64 . The driving rack 64 is installed on the inner wall of the excavation plate 17 .

[0050] By installing a drive rack 64 on the inner wall of the excavation plate 17 and engaging a vibrating gear 63 on the side of the lifting plate 44, this design allows the lifting plate 44 to move vertically while also providing it with rotational capability. As the lifting plate 44 moves vertically, the vibrating gear 63 on the side of the lifting plate 44 moves with the overall mechanical movement. By meshing with the drive rack 64, this linear motion is converted into rotational motion of the lifting plate 44. This design not only increases the dynamics of the excavation operation but also significantly improves work efficiency.

[0051] The rotation of the lifting plate 44 drives the synchronous rotation of its tip portion. Taking into account the actual needs of soil excavation, the tip of the lifting plate 44 is designed to be a blade shape (such as Figure 12 (As shown in the figure), this shape not only increases the contact area between the tip and the soil, but also, through its rotational motion, allows the blade-like sidewalls to more effectively cut into the soil, breaking it up and loosening it. Compared to traditional static excavation methods, this dynamic rotational soil breaking-up significantly reduces digging resistance and improves digging efficiency, especially when working with difficult-to-excavate soil types such as hard soil or clay.

[0052] Furthermore, the inclusion of a torsion spring 65 adds further flexibility to the design. Installed at a key location on the lifting plate 44, the torsion spring 65 utilizes its elastic potential energy to provide continuous shaking power to the lifting plate 44 as it is lifted and rotated. This shaking not only enhances the soil loosening effect of the blade tip but also helps prevent soil from adhering to the surface of the lifting plate 44, reducing cleaning and maintenance workload. The shaking also promotes the separation of soil particles, further improving soil loosening and digging efficiency.

[0053] In summary, this design not only improves the digging efficiency of the digging plate 17, but also enhances its adaptability under complex geological conditions. By optimizing the soil loosening process, it reduces energy consumption and improves operation safety.

[0054] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0055] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A cable laying device for engineering construction, comprising a laying device (1), characterized in that: The laying equipment (1) comprises a mobile vehicle (11), a vertical plate (12) is installed above the mobile vehicle (11), a cable installation shaft (13) is installed in the vertical plate (12), a cable (14) is installed in the cable installation shaft (13), a digging plate (17) is installed at the bottom of the mobile vehicle (11), and a foundation compacting device (2) is installed in the laying equipment (1); The foundation compacting device (2) comprises a piston housing (21) fixedly connected to the bottom of the mobile vehicle (11), a piston inner rod (22) being slidably connected in the piston housing (21), one end of the piston inner rod (22) being fixedly connected to a compacting plate (23), and the sliding of the piston inner rod (22) is driven by a driving device (3); a piston spring (24) is fixedly connected to the side of the piston inner rod (22) away from the compacting plate (23), the other end of the piston spring (24) is installed in the piston housing (21), a driving rod (25) is fixedly connected to the side of the piston inner rod (22) close to the piston spring (24), the other end of the driving rod (25) is fixedly connected to a driving plate (26), and the driving plate (26) is driven by the driving device (3); the driving device (3) comprises a piston spring (24) and a driving plate (26) provided on the piston inner rod (22). The mounting groove (31) and the center groove (32) in the mobile vehicle (11) are provided with a driving motor (34) in the center groove (32), the output end of the driving motor (34) is fixedly connected to a center rotating rod (33), the center rotating rod (33) is installed in the mounting groove (31), the side wall of the center rotating rod (33) is fixedly connected to a vibration driving block (35), and the vibration driving block (35) is used to abut against the driving plate (26); an excavation lifting device (4) is provided in the excavation plate (17), the excavation lifting device (4) includes a through groove (41) provided in the excavation plate (17), a rotating shaft (42) is installed in the through groove (41), a conveyor belt (43) is provided on the outer side wall of the rotating shaft (42), and a lifting plate (44) is installed on the side wall of the conveyor belt (43).

2. A cable laying device for engineering construction according to claim 1, characterized in that: A guide rail (15) is installed at the tail of the mobile vehicle (11), and a universal wheel (16) is installed on the side wall of the mobile vehicle (11).

3. The cable laying device for engineering construction according to claim 1, characterized in that: The rotation of the rotating shaft (42) is driven by a transmission assembly (5), and the transmission assembly (5) includes a placement groove (51) provided in the excavation plate (17), wherein one side of the rotating shaft (42) is fixedly connected to a connecting shaft (52), and one end of the connecting shaft (52) is fixedly connected to a first bevel gear (53), and the first bevel gear (53) is meshedly connected to a second bevel gear (54), and the second bevel gear (54) is rotatably connected in the placement groove (51).

4. The cable laying device for engineering construction according to claim 3, characterized in that: A transmission belt (55) is provided on one side of the second bevel gear (54), and a transmission gear (56) is provided on the other side of the transmission belt (55). The transmission gear (56) is rotatably connected in a circular groove (57), and the circular groove (57) is provided in the mobile vehicle (11). The transmission gear (56) is meshedly connected with a tooth groove (58), and the tooth groove (58) is provided in the central rotating rod (33).

5. The cable laying device for engineering construction according to claim 4, characterized in that: A shaking device (6) is provided in the excavation plate (17), and the shaking device (6) includes a rotating groove (62) provided in the conveyor belt (43), a rotating block (61) is rotatably connected in the rotating groove (62), and one end of the rotating block (61) is fixedly connected to one side of the lifting plate (44).

6. The cable laying device for engineering construction according to claim 5, characterized in that: The rotating block (61) and the rotating groove (62) are connected via a torsion spring (65).

7. The cable laying device for engineering construction according to claim 6, characterized in that: A shaking gear (63) is installed on the side wall of the rotating block (61), and the shaking gear (63) is meshedly connected with a driving rack (64), and the driving rack (64) is installed on the inner wall of the excavation plate (17).

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