Ditching and laying equipment for power construction

Abstract

The utility model relates to ditching and laying equipment for power construction. Comprising a driving vehicle, a ditching device is installed at one end of the driving vehicle, and a cable laying device and a lifting driving device for adjusting the height of the cable laying device are installed at the other end of the driving vehicle; the ditching device comprises an angle-adjustable ditching assembly mounted on the driving vehicle, and further comprises a soil discharging assembly which is in transmission connection with the ditching assembly and is used for discharging waste soil generated during ditching; the cable laying device comprises a laying support installed on the lifting driving device, an unwinding installation frame is installed on the laying support, and an unwinding assembly used for loading a cable reel is installed at the top of the unwinding installation frame. The cable laying device further comprises a cable laying guide assembly installed on the laying support and used for guiding and unwinding a cable, and further comprises a reel temporary storage assembly installed on the laying support. According to the utility model, the ditching operation of the cable channel and the laying operation of the cable can be synchronously carried out, the construction period is shortened, the construction progress is improved, and the labor intensity of workers is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to cable laying technical field especially relates to a trenching and laying equipment for power construction. BACKGROUND

[0002] Power engineering construction refers to the process of installing, maintaining and constructing power equipment and power system in the field of electric power, and in the power line, the proportion of cable is gradually increasing. Power cable is a cable product used for transmission and distribution of high-power electric energy in the main line of power system.

[0003] In the power engineering construction, the cable needs to be laid, and the cable laying refers to the process of laying and installing the cable along the planned path to form the cable line, which is an important technical link of power engineering. There are many ways to lay the cable, among which, the buried cable laying method is widely used due to its simple construction, short construction period and other advantages. The existing buried cable laying method usually involves excavating the cable trench first, then laying the cable in the cable trench, then backfilling the cable trench, and finally compacting the backfilling area of the cable trench.

[0004] In the existing buried cable laying method, the trenching operation and the cable laying operation cannot be performed simultaneously, which leads to the inability to further shorten the construction period, affects the construction progress, and requires multiple workers to work together, which is time-consuming and labor-intensive. Therefore, there is an urgent need to design a trenching and laying equipment for power construction to solve the above problems. SUMMARY

[0005] The utility model discloses a trenching and laying equipment for power construction with a reasonable structure design to solve the technical problems in the prior art. The utility model discloses can carry out trenching operation and cable laying operation simultaneously, shorten the construction period, improve the construction progress, and reduce the labor intensity of workers.

[0006] The utility model discloses a trenching and laying equipment for power construction with a reasonable structure design to solve the technical problems in the prior art. The utility model discloses can carry out trenching operation and cable laying operation simultaneously, shorten the construction period, improve the construction progress, and reduce the labor intensity of workers.

[0007] The utility model discloses a trenching and laying equipment for electric power construction, which is characterized by the following: the trenching device is arranged on the driving vehicle, and the trenching operation can be automatically performed; the angle of the trenching assembly can be adjusted, and the trenching operation of different depths can be performed according to actual needs; the soil removal assembly is in transmission connection with the trenching assembly, and the waste soil generated during the trenching operation can be discharged to the side of the trench; the operation process is simple, and the working efficiency is high; the cable laying device is arranged, and the trenching operation and the cable laying operation can be simultaneously performed; the cable reel loading and unwinding operation can be realized through the unwinding assembly and the unwinding mounting rack; the cable guiding and unwinding operation can be realized through the cable laying guide assembly; the driving vehicle walks forward to perform the trenching operation, and the unwinding operation is performed under the action of the tension of the free end of the cable, thereby realizing the cable laying operation; the height of the cable laying device can be adjusted through the lifting driving device, thereby adapting to the laying operation of trenches of different depths.

[0008] Preferably, the trenching assembly comprises a first pivot base and a second pivot base mounted on the driving vehicle, a third pivot base is pivotally connected to the first pivot base, and an adjusting oil cylinder is mounted between the second pivot base and the third pivot base; the trenching assembly further comprises a sprocket frame mounted on the third pivot base, two trenching sprockets are rotatably connected to the two ends of the sprocket frame, a trenching chain is mounted between the two trenching sprockets, and a plurality of trenching cutter teeth are mounted on the trenching chain; the trenching assembly further comprises a sprocket motor mounted on the third pivot base and used for driving the trenching sprockets to rotate.

[0009] Preferably, the soil removal assembly comprises a soil removal mounting base fixed to the lower part of the trenching assembly, a soil removal shaft is rotatably connected to the soil removal mounting base in a transverse manner, and soil removal spiral blades are mounted on the soil removal shaft and located on the two sides of the soil removal mounting base; the soil removal assembly further comprises a soil removal sprocket mounted on the soil removal shaft and engaged with the trenching assembly.

[0010] Preferably, the cable laying guide assembly comprises a mounting base plate mounted on the laying support, a connecting rod mechanism is pivotally connected to the mounting base plate and connected to a guide pipe mechanism through the connecting rod mechanism, a buffer connecting mechanism is mounted on the mounting base plate and located above the connecting rod mechanism, an elastic buffer mechanism is mounted between the connecting rod mechanism and the buffer connecting mechanism, a cable penetrating guide roller mechanism corresponding to a cable inlet of the guide pipe mechanism is mounted on the upper part of the guide pipe mechanism and used for guiding the cable, and a cable pressing guide wheel mechanism corresponding to a cable outlet of the guide pipe mechanism is mounted on the middle part of the guide pipe mechanism.

[0011] Preferably, the buffer connecting mechanism comprises a Y-shaped mounting head mounted on the mounting base plate, a through-bar rotating plate is pivotally connected to the upper end of the Y-shaped mounting head, and a mounting through hole for mounting the elastic buffer mechanism is formed in the middle of the through-bar rotating plate; the elastic buffer mechanism comprises a buffer connecting rod penetrating through the mounting through hole formed in the through-bar rotating plate, a connecting rod sleeve movably connected with the connecting rod mechanism is fixed to the lower end of the buffer connecting rod, and two buffer springs penetrating through the buffer connecting rod are arranged above and below the through-bar rotating plate respectively; a washer and a spring pin for limiting the buffer spring are mounted on the upper portion of the buffer connecting rod.

[0012] Preferably, the guide pipe mechanism comprises a connecting plate fixedly connected with the pressure cable guide roller mechanism and a cable penetrating guide pipe fixedly connected with the connecting plate, and a dozing plate is fixedly connected to the outer wall of the lower portion of the cable penetrating guide pipe and away from the pressure cable guide roller mechanism; the cable penetrating roller mechanism comprises a supporting plate fixedly connected with the guide pipe mechanism, a rectangular cable penetrating frame is mounted on the supporting plate and located above the upper end of the cable penetrating guide pipe, and a plurality of cable guide rollers are rotatably connected to the rectangular cable penetrating frame.

[0013] Preferably, the pressure cable guide roller mechanism comprises an adjusting hole seat fixedly connected with the guide pipe mechanism, a plurality of pin shaft holes are formed in the adjusting hole seat and distributed in the circumferential direction, a guide roller mounting seat is locked and mounted on the adjusting hole seat by penetrating through the pin shaft holes and being locked by bolts and lock nuts, a pressure cable guide roller is rotatably connected to the outer end of the guide roller mounting seat, and a V-shaped groove is formed in the outer circumferential wall of the pressure cable guide roller.

[0014] Preferably, the unwinding assembly comprises an unwinding shaft rotatably connected to the unwinding mounting frame and arranged transversely, a second baffle plate is fixedly connected to the unwinding shaft, a reel insertion pin is fixedly connected to the second baffle plate and can be inserted into a positioning hole formed in the end face of the reel, a first baffle plate movably arranged along the axial direction of the unwinding shaft is penetratingly arranged on the unwinding shaft, and a locking piece for limiting the first baffle plate is screwed on the unwinding shaft.

[0015] Preferably, the lifting driving device comprises a lifting frame bottom plate mounted on the driving vehicle, two C-shaped channel steels are fixedly connected to the lifting frame bottom plate and arranged longitudinally opposite to each other, a lifting mounting frame for mounting the laying support is arranged between the two C-shaped channel steels, and a plurality of lifting guide rollers in rolling contact with the C-shaped channel steels are mounted on the lifting mounting frame; a lifting hydraulic cylinder is mounted on the lifting frame bottom plate, the lifting hydraulic cylinder is arranged longitudinally and rotatably connected with a lifting sprocket at the extending end; a lifting chain meshing with the lifting sprocket is connected with the cylinder barrel of the lifting hydraulic cylinder at one end and connected with the lifting mounting frame at the other end. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a front view structural schematic diagram of the utility model;

[0017] Figure 2is the three-dimensional structure schematic diagram of the ditching device in the utility model;

[0018] Figure 3 is the three-dimensional structure schematic diagram of the cable laying device in the utility model;

[0019] Figure 4 is the three-dimensional structure schematic diagram of the cable laying guide assembly in the utility model;

[0020] Figure 5 is the three-dimensional structure schematic diagram of the lifting driving device in the utility model.

[0021] In the drawing: 1, driving vehicle;2, ditching assembly;2-1, ditching chain;2-2, ditching sprocket wheel;2-3, sprocket wheel frame;2-4, ditching cutter tooth;2-5, first pivot seat;2-6, second pivot seat;2-7, adjusting oil cylinder;2-8, sprocket wheel motor;2-9, third pivot seat;3, soil discharging assembly;3-1, soil discharging spiral blade;3-2, soil discharging rotating shaft;3-3, soil discharging sprocket wheel;3-4, soil discharging mounting seat;4, lifting driving device;4-1, lifting frame bottom plate;4-2, lifting hydraulic cylinder;4-3, lifting guide wheel;4-4, lifting chain;4-5, C-shaped channel steel;4-6, lifting sprocket wheel;4-7, lifting mounting frame;5, unwinding assembly;5-1, unwinding shaft;5-2, locking piece;5-3, first baffle disc;5-4, second baffle disc;5-5, reel bolt;6, reel temporary storage assembly;6-1, first mounting seat;6-2, reel supporting disc;6-3, reel inserting rod;7, unwinding mounting frame;8, cable laying guide assembly;8-1, guide pipe mechanism;8-1-1, soil pushing plate;8-1-2, cable penetrating guide pipe;8-2, connecting rod mechanism;8-2-1, lower connecting rod;8-2-2, upper connecting rod;8-3, elastic buffer mechanism;8-3-1, buffer connecting rod;8-3-2, buffer spring;8-3-3, connecting rod sleeve;8-4, buffer connecting mechanism;8-4-1, Y-shaped mounting head;8-4-2, rod penetrating rotating plate;8-5, mounting seat plate;8-6, U-shaped bolt;8-7, cable penetrating guide roller mechanism;8-7-1, rectangular cable penetrating frame;8-7-2, cable guide roller;8-8, cable pressing guide wheel mechanism;8-8-1, adjusting hole seat;8-8-2, guide wheel mounting seat;8-8-3, cable pressing guide wheel;8-8-4, cable laying baffle;8-8-5, baffle connecting rod;8-8-6, connecting rod sleeve;9, laying support. DETAILED DESCRIPTION

[0022] In order to further understand the invention content, characteristics and efficacy of the utility model, the following examples are described in detail as follows:

[0023] Please see Figure 1The trenching and laying equipment for power construction of this utility model includes a drive vehicle 1, a trenching device installed at one end of the drive vehicle 1, a cable laying device installed at the other end, and a lifting drive device 4 for adjusting the height of the cable laying device; in this embodiment, the drive vehicle 1 is a tracked vehicle.

[0024] like Figure 1 As shown, the above-mentioned trenching device includes an angle-adjustable trenching component 2 installed on the drive vehicle 1, and a soil discharge component 3 that is driven to the trenching component 2 for discharging waste soil generated during trenching.

[0025] See further Figure 2 The aforementioned trenching assembly 2 includes a first pivot seat 2-5 and a second pivot seat 2-6 mounted on the drive vehicle 1. The first pivot seat 2-5 is located below the front side of the second pivot seat 2-6. A third pivot seat 2-9 is pivotally connected to the first pivot seat 2-5. An adjusting cylinder 2-7 is installed between the second pivot seat 2-6 and the third pivot seat 2-9. The cylinder of the adjusting cylinder 2-7 is pivotally connected to the second pivot seat 2-6 via a pin, and the piston rod of the adjusting cylinder 2-7 is pivotally connected to the third pivot seat 2-9 via a fisheye joint and a pin. The grooving assembly 2 also includes a sprocket frame 2-3 mounted on the third pivot 2-9, with grooving sprockets 2-2 rotatably connected to both ends of the sprocket frame 2-3, and a grooving chain 2-1 installed between the two grooving sprockets 2-2. Several grooving teeth 2-4 are mounted on the grooving chain 2-1. It also includes a sprocket motor 2-8 mounted on the third pivot 2-9 for driving the grooving sprockets 2-2 to rotate. The aforementioned grooving chain 2-1 is a straight-plate chain.

[0026] like Figure 2 As shown, the aforementioned soil discharge assembly 3 includes a soil discharge mounting base 3-4 fixedly connected to the lower part of the trenching assembly 2. Further, the soil discharge mounting base 3-4 is installed at the rear-middle position of the bottom of the sprocket frame 2-3. A transversely arranged soil discharge shaft 3-2 is rotatably connected to the soil discharge mounting base 3-4, and soil discharge spiral blades 3-1 are mounted on the soil discharge shaft 3-2, respectively located on both sides of the soil discharge mounting base 3-4. It also includes a soil discharge sprocket 3-3 mounted on the soil discharge shaft 3-2 and meshing with the trenching assembly 2. The soil discharge shaft 3-2 includes a sprocket shaft rotatably connected to the soil discharge mounting base 3-4, and blade mounting shafts are coaxially mounted on both ends of the sprocket shaft, respectively located on both sides of the soil discharge mounting base 3-4. In actual operation, the trenching chain 2-1 passes through the middle of the soil discharge mounting seat 3-4, and the soil discharge sprocket 3-3 is located in the middle of the soil discharge mounting seat 3-4 and meshes with the trenching chain 2-1 that passes through the middle of the soil discharge mounting seat 3-4.

[0027] like Figure 1As shown in the drawings, the cable laying device comprises a laying support 9 mounted on the lifting driving device 4, a laying support 9, a laying support 7 mounted on the laying support 9, and a laying support 7 mounted on the top of the laying support 7 for loading the cable reel.

[0028] Further referring to Figure 3 The laying assembly 5 comprises a laying shaft 5-1 rotatably connected to the laying mounting bracket 7 and transversely arranged, a second stop disc 5-4 fixedly connected to the laying shaft 5-1, and a reel pin 5-5 inserted into the positioning hole formed on the end face of the reel.

[0029] The laying shaft 5-1 is rotatably connected to the laying mounting bracket 7 through a rolling bearing, and the laying mounting bracket 7 comprises a support rod portion which is lockingly connected to the laying support 9 through a U-shaped bolt and a locking nut, and a transversely arranged mounting sleeve is fixedly connected to the top of the support rod portion, and the laying shaft 5-1 is rotatably connected to the mounting sleeve through a rolling bearing.

[0030] In actual working process, when the reel wound with cable needs to be loaded, the locking member 5-2 is unscrewed and the first stop disc 5-3 is removed, the reel is inserted into the laying shaft 5-1, the positioning hole formed on the end face of the reel is inserted and matched with the reel pin 5-5, then the first stop disc 5-3 is inserted into the laying shaft 5-1 again, and the locking member 5-2 is screwed, so that the first stop disc 5-3 is in close contact with the top of the reel, and finally the loading operation of the reel is realized.

[0031] The reel temporary storage assembly 6 comprises a first mounting seat 6-1 lockingly connected to the laying support 9, a reel supporting plate 6-2 fixedly connected to the first mounting seat 6-1, and a longitudinally arranged reel inserting rod 6-3 fixedly connected to the reel supporting plate 6-2 for penetrating the reel.

[0032] Further referring to Figure 3The cable laying and guiding assembly 8 comprises a mounting base plate 8-5 mounted on the laying support 9, which is detachably connected with the laying support 9 through U-shaped bolts 8-6 and locking nuts. A connecting rod mechanism 8-2 is pivotally connected to the mounting base plate 8-5, and a guide pipe mechanism 8-1 is connected to the connecting rod mechanism 8-2. A buffer connecting mechanism 8-4 is mounted on the mounting base plate 8-5 above the connecting rod mechanism 8-2. An elastic buffer mechanism 8-3 is mounted between the connecting rod mechanism 8-2 and the buffer connecting mechanism 8-4. A cable passing roller mechanism 8-7 corresponding to the cable inlet of the guide pipe mechanism 8-1 is mounted on the upper portion of the guide pipe mechanism 8-1 to guide the cable. A cable pressing guide wheel mechanism 8-8 corresponding to the cable outlet of the guide pipe mechanism 8-1 is mounted on the middle portion of the guide pipe mechanism 8-1.

[0033] Further referring to Figure 4 The buffer connecting mechanism 8-4 comprises a Y-shaped mounting head 8-4-1 mounted on the mounting base plate 8-5. A rod passing rotating plate 8-4-2 is pivotally connected to the upper end of the Y-shaped mounting head 8-4-1. An installation through hole for mounting the elastic buffer mechanism 8-3 is formed in the middle portion of the rod passing rotating plate 8-4-2.

[0034] The elastic buffer mechanism 8-3 comprises a buffer connecting rod 8-3-1 passing through the installation through hole formed in the rod passing rotating plate 8-4-2. A connecting rod sleeve 8-3-3 movably connected with the connecting rod mechanism 8-2 is fixedly connected to the lower end of the buffer connecting rod 8-3-1. Two buffer springs 8-3-2 passing through the rod passing rotating plate 8-4-2 above and below are respectively arranged on the buffer connecting rod 8-3-1. A washer and a spring pin for limiting the buffer spring 8-3-2 are mounted on the upper portion of the buffer connecting rod 8-3-1.

[0035] The connecting rod mechanism 8-2 comprises a lower connecting rod 8-2-1 and an upper connecting rod 8-2-2 arranged side by side. The upper ends of the lower connecting rod 8-2-1 and the upper connecting rod 8-2-2 are pivotally connected to the mounting base plate 8-5 through a pin shaft. The lower ends of the lower connecting rod 8-2-1 and the upper connecting rod 8-2-2 are pivotally connected to the guide pipe mechanism 8-1 through a pin shaft. A pin shaft for passing the connecting rod sleeve 8-3-3 is mounted on the middle portion of the upper connecting rod 8-2-2.

[0036] As shown in Figure 4 The guide pipe mechanism 8-1 comprises a connecting plate fixedly connected with the cable pressing guide wheel mechanism 8-8, and a cable passing guide pipe 8-1-2 fixedly connected with the connecting plate. A soil shoveling plate 8-1-1 is fixedly connected to the outer wall of the lower portion of the cable passing guide pipe 8-1-2 away from the cable pressing guide wheel mechanism 8-8. The cable passing guide pipe 8-1-2 comprises an integral vertical section and an arc-shaped section. The upper end of the vertical section points to the cable outlet of the cable passing roller mechanism 8-7, and the lower end of the arc-shaped section points to the cable pressing guide wheel mechanism 8-8.

[0037] The cable passing guide roller mechanism 8-7 comprises a support plate fixed to the guide pipe mechanism 8-1, a rectangular cable passing frame 8-7-1 is installed on the support plate above the upper port of the cable passing guide pipe 8-1-2, and a plurality of pairs of cable guide rollers 8-7-2 are rotatably connected to the rectangular cable passing frame 8-7-1. Two pairs of cable guide rollers 8-7-2 are installed in the middle of the rectangular cable passing frame 8-7-1 and are vertically arranged in an upper and lower distribution.

[0038] As shown in Figure 4 The cable pressing guide roller mechanism 8-8 comprises an adjusting hole seat 8-8-1 fixed to the guide pipe mechanism 8-1, a plurality of pin hole are arranged in the circumferential direction on the adjusting hole seat 8-8-1, a guide roller mounting seat 8-8-2 is locked and installed by bolts and lock nuts passing through the pin hole, a cable pressing guide roller 8-8-3 is rotatably connected to the outer end of the guide roller mounting seat 8-8-2, and a V-shaped groove is formed on the outer peripheral wall of the cable pressing guide roller 8-8-3.

[0039] The guide roller mounting seat 8-8-2 is in Y-shaped structure; the cable pressing guide roller mechanism 8-8 further comprises a connecting rod sleeve 8-8-6 fixed to the adjusting hole seat 8-8-1, a baffle connecting rod 8-8-5 is passed through the connecting rod sleeve 8-8-6 and is locked and connected by a locking knob, and a cable laying baffle 8-8-4 is fixed to the lower end of the baffle connecting rod 8-8-5.

[0040] In the embodiment, the loading and unwinding operation of the cable reel can be realized by the unwinding assembly 5 and the unwinding mounting frame 7, the cable guiding and unwinding operation can be realized by the cable laying guide assembly 8, the cable passing guide roller mechanism 8-7, the guide pipe mechanism 8-1 and the cable pressing guide roller mechanism 8-8 can stably guide the unwinding of the cable, and the laying device is driven by the driving vehicle 1 to move as a whole, so that the staff does not need to manually pull the cable for laying, the labor intensity of the staff is reduced and the work efficiency is improved, and the guiding of the cable passing guide roller mechanism 8-7, the guide pipe mechanism 8-1 and the cable pressing guide roller mechanism 8-8 can also avoid friction and even damage on the surface of the cable. The elastic buffering connection of the guide pipe mechanism 8-1 and the cable pressing guide roller mechanism 8-8 with the mounting seat plate 8-5 can be realized by the connecting rod mechanism 8-2, the elastic buffering mechanism 8-3 and the buffering connecting mechanism 8-4, so that the cable pressing guide roller mechanism 8-8 is prevented from being stuck or even rigidly colliding with foreign matters in the trench due to uneven trench during walking, and damage is caused.

[0041] Further referring to Figure 5The lifting driving device 4 comprises a lifting frame base plate 4-1 installed on the driving vehicle 1, two C-shaped channel steels 4-5 longitudinally arranged and fixed on the lifting frame base plate 4-1, a lifting mounting frame 4-7 for installing the laying support 9 arranged between the two C-shaped channel steels 4-5, and a plurality of lifting guide wheels 4-3 in rolling contact with the C-shaped channel steels 4-5 installed on the lifting mounting frame 4-7. The lifting driving device 4 further comprises a lifting hydraulic cylinder 4-2 installed on the lifting frame base plate 4-1, the lifting hydraulic cylinder 4-2 being longitudinally arranged and having a lifting sprocket 4-6 rotatably connected to an extending end of the lifting hydraulic cylinder 4-2, and a lifting chain 4-4 engaged on the lifting sprocket 4-6, one end of the lifting chain 4-4 being connected to a cylinder barrel of the lifting hydraulic cylinder 4-2 and the other end being connected to the lifting mounting frame 4-7.

[0042] Working principle:

[0043] In the actual working process, the trenching operation is performed by the trenching assembly 2, the trenching assembly 2 is lifted or lowered by the adjusting oil cylinder 2-7 when in use, and the two trenching sprockets 2-2 installed on the chain wheel frame 2-3 are rotated by the chain wheel motor 2-8, thereby driving the trenching chain 2-1 to run and driving the plurality of trenching cutter teeth 2-4 installed thereon to run, so as to perform the trenching operation, thereby improving the working efficiency of the trenching operation. In the above trenching process, the running trenching chain 2-1 can drive the soil removal sprocket 3-3 in the soil removal assembly 3 to rotate, thereby driving the soil removal shaft 3-2 and the soil removal spiral blade 3-1 installed thereon to rotate, so as to remove the garbage and waste soil generated in the trenching process to the side of the dug trench, thereby preventing the generated waste soil from blocking the dug trench and affecting the subsequent cable laying operation, and improving the working efficiency.

[0044] At the same time of the trenching operation, the cable laying operation is performed by the cable laying device, that is, the reel with the cable wound thereon is loaded on the unwinding assembly 5, the end of the cable is pulled to pass through the cable guide roller mechanism 8-7 and the guide pipe mechanism 8-1 in sequence, the cable passes out of the guide pipe mechanism 8-1 and then passes out of the cable pressing guide wheel mechanism 8-8, thereby realizing the directional leading-out of the cable, and the free end is fixed in the dug trench; the driving vehicle 1 walks forward to perform the trenching operation, the unwinding operation is performed under the pulling force of the free end of the cable, thereby realizing the cable laying operation; in the actual cable laying operation process, the height of the cable laying device can be adjusted by the lifting driving device 4, thereby adapting to the laying operation of trenches with different depths. In the above operation process, the trenching and cable laying operations can be performed synchronously, so that the construction period is shortened, the working efficiency and construction progress are improved, and the labor intensity of the workers is reduced.

Claims

1. A trenching and laying apparatus for electric power construction, characterized by: The utility model provides a kind of cable laying device, including drive car (1), trenching device is installed in one end of drive car (1), the other end is installed cable laying device and the lifting drive device (4) of adjusting cable laying device height;Trenching device includes the trenching assembly (2) of adjustable angle being installed on drive car (1), still include the soil removal assembly (3) being driven connection on trenching assembly (2), for the waste soil generated in trenching;Cable laying device includes the laying support (9) being installed on lifting drive device (4), pay-off mounting bracket (7) is installed on laying support (9), pay-off mounting bracket (7) top is installed for the pay-off assembly (5) of loading cable reel;Still include the cable laying guide assembly (8) being installed on laying support (9), for the cable guiding pay-off, still include reel temporary storage assembly (6) being installed on laying support (9).

2. The power construction trenching and laying apparatus of claim 1 wherein: Trenching assembly (2) includes the first pivot seat (2-5) and the second pivot seat (2-6) being installed on drive car (1), pivot connection has the third pivot seat (2-9) on the first pivot seat (2-5), adjusting oil cylinder (2-7) is installed between the second pivot seat (2-6) and the third pivot seat (2-9);Still include the sprocket frame (2-3) being installed on the third pivot seat (2-9), rotationally connected has trenching sprocket (2-2) in both ends of sprocket frame (2-3), trenching chain (2-1) is installed between two trenching sprocket (2-2), install a plurality of trenching cutter teeth (2-4) on trenching chain (2-1);Still include the sprocket motor (2-8) being installed on the third pivot seat (2-9), for driving trenching sprocket (2-2) rotation.

3. The power construction trenching and laying apparatus of claim 1 wherein: Soil removal assembly (3) includes the soil removal mounting seat (3-4) being fixedly connected in the lower portion of trenching assembly (2), rotationally connected has the soil removal rotating shaft (3-2) being transversely arranged on soil removal mounting seat (3-4), install the soil removal spiral blade (3-1) being respectively located in both sides of soil removal mounting seat (3-4) on soil removal rotating shaft (3-2);Still include the soil removal sprocket (3-3) being installed on soil removal rotating shaft (3-2) and meshing with trenching assembly (2).

4. The power construction trenching and laying apparatus of claim 1 wherein: Cable laying guide assembly (8) includes the mounting seat plate (8-5) being installed on laying support (9), pivotally links have connecting rod mechanism (8-2) on mounting seat plate (8-5) and is connected with guide pipe mechanism (8-1) by connecting rod mechanism (8-2), install the buffer connecting mechanism (8-4) being located above connecting rod mechanism (8-2) on mounting seat plate (8-5), install the elastic buffer mechanism (8-3) between connecting rod mechanism (8-2) and buffer connecting mechanism (8-4), install the cable penetrating guide roller mechanism (8-7) being corresponding with its cable inlet on the upper portion of guide pipe mechanism (8-1), for the cable guiding, still include the cable pressing guide wheel mechanism (8-8) being installed in the middle portion of guide pipe mechanism (8-1) and corresponding with its cable outlet.

5. The power construction trenching and laying apparatus of claim 4 wherein: The buffer connecting mechanism (8-4) comprises a Y-shaped mounting head (8-4-1) mounted on the mounting seat plate (8-5), a through rod rotating plate (8-4-2) is pivotally connected to the upper end of the Y-shaped mounting head (8-4-1), and a mounting through hole for mounting the elastic buffer mechanism (8-3) is formed in the middle of the through rod rotating plate (8-4-2); the elastic buffer mechanism (8-3) comprises a buffer connecting rod (8-3-1) penetrating through the mounting through hole formed in the through rod rotating plate (8-4-2), a connecting rod sleeve (8-3-3) movably connected with the connecting rod mechanism (8-2) is fixed to the lower end of the buffer connecting rod (8-3-1), two buffer springs (8-3-2) penetrating through the buffer connecting rod (8-3-1) are arranged above and below the through rod rotating plate (8-4-2) respectively, and a gasket and a spring pin for limiting the buffer spring (8-3-2) are mounted on the upper part of the buffer connecting rod (8-3-1).

6. The power construction trenching and laying apparatus of claim 4 wherein: The conduit mechanism (8-1) comprises a connecting plate fixedly connected with the pressure cable guide roller mechanism (8-8) and a cable penetrating conduit (8-1-2) fixedly connected with the connecting plate, and a soil turning plate (8-1-1) is fixedly connected to the outer wall of the lower part of the cable penetrating conduit (8-1-2) away from the pressure cable guide roller mechanism (8-8); the cable penetrating roller mechanism (8-7) comprises a support plate fixedly connected with the conduit mechanism (8-1), and a rectangular cable penetrating frame (8-7-1) is mounted above the upper end of the cable penetrating conduit (8-1-2) on the support plate, and a plurality of cable guide rollers (8-7-2) are rotatably connected to the rectangular cable penetrating frame (8-7-1).

7. The power construction trenching and laying apparatus of claim 4 wherein: The pressure cable guide roller mechanism (8-8) comprises an adjusting hole seat (8-8-1) fixedly connected with the conduit mechanism (8-1), a plurality of pin shaft holes are formed in the adjusting hole seat (8-8-1) in the circumferential direction, a guide roller mounting seat (8-8-2) is locked and mounted by penetrating the pin shaft holes through bolts and locking nuts, a pressure cable guide roller (8-8-3) is rotatably connected to the outer end of the guide roller mounting seat (8-8-2), and a V-shaped groove is formed in the outer circumferential wall of the pressure cable guide roller (8-8-3).

8. The power construction trenching and laying apparatus of claim 1 wherein: The unwinding assembly (5) comprises an unwinding shaft (5-1) rotatably connected to the unwinding mounting frame (7) and arranged transversely, a second baffle disc (5-4) is fixedly connected to the unwinding shaft (5-1), a reel plug pin (5-5) is fixedly connected to the second baffle disc (5-4) and can be inserted into a positioning hole formed in the end face of the reel; the unwinding assembly (5) further comprises a first baffle disc (5-3) penetrating through the unwinding shaft (5-1) and movable along the axial direction of the unwinding shaft (5-1), and a locking piece (5-2) is screwed on the unwinding shaft (5-1) to limit the first baffle disc (5-3).

9. The power construction trenching and laying apparatus of claim 1 wherein: The lifting driving device (4) comprises a lifting frame bottom plate (4-1) installed on the driving vehicle (1), two C-shaped channel steels (4-5) longitudinally arranged and fixedly connected on the lifting frame bottom plate (4-1), a lifting mounting frame (4-7) for installing the laying support (9) arranged between the two C-shaped channel steels (4-5), and a plurality of lifting guide wheels (4-3) in rolling contact with the C-shaped channel steels (4-5) installed on the lifting mounting frame (4-7); the lifting driving device (4) further comprises a lifting hydraulic cylinder (4-2) installed on the lifting frame bottom plate (4-1), the lifting hydraulic cylinder (4-2) being longitudinally arranged and rotatably connected with a lifting sprocket (4-6) at an extending end; the lifting driving device (4) further comprises a lifting chain (4-4) engaged with the lifting sprocket (4-6), one end of the lifting chain (4-4) being connected with a cylinder barrel of the lifting hydraulic cylinder (4-2) and the other end being connected with the lifting mounting frame (4-7).

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