CN211735575U - Frozen soil excavating device for optical cable trench and cable trench - Google Patents
Frozen soil excavating device for optical cable trench and cable trench Download PDFInfo
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- CN211735575U CN211735575U CN202020028867.9U CN202020028867U CN211735575U CN 211735575 U CN211735575 U CN 211735575U CN 202020028867 U CN202020028867 U CN 202020028867U CN 211735575 U CN211735575 U CN 211735575U
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Abstract
The utility model discloses an optical cable ditch, cable pit frozen soil excavating gear, excavating gear include electric putter, motor, protect a section of thick bamboo, coal-winning machine cylinder, helical baffle, lower baffle, planetary reducer, pick, bottom plate, it is little to have solved current excavator excavation scope, work efficiency is low, the problem of dust flying upward during the excavation, easily dig off communication optical cable, the utility model discloses combine coal-winning machine cylinder and excavator, utilize general motor and planetary reducer high-efficient drive, it is big to have realized excavating gear's excavation scope, and the effect of high-efficient excavation, helical baffle on the protection cylinder and lower baffle avoid dust to fly upward, can lead to the ditch limit with the frozen soil piece of digging out simultaneously, conveniently backfill, and communication optical cable fault locating device in the protection cylinder realizes accurate location to communication optical cable fault location, prevents to dig off communication optical cable, the utility model relates to a high-efficient excavation, The special soil digging device is flexible to operate and can prevent dust from flying to the underground communication optical cable.
Description
Technical Field
The utility model relates to an earthmoving machinery technical field especially relates to a cable pit, cable pit frozen soil excavating gear.
Background
The communication optical cable is ubiquitous, in the life of people and the work of people, the aspects of size and size in enterprises are closely related to the communication optical cable, the information is comprehensively developed, and the communication optical cable brings more advanced era to the society. At present, the existing problems are reflected in the process of innovation in the rapid development stage of the communication technology, the development and the maturity of the communication optical cable are directly related to the construction of the communication optical cable line, the quality of the communication optical cable line is determined by the level of the construction of the communication optical cable line, and the communication optical cable line is more widely applied in the network information development era, so that the construction of the communication optical cable line is of great importance. The communication optical cable is composed of a cable core and an outer protective layer, wherein the cable core is composed of a plurality of (core) optical fibers (generally from a plurality of cores to a plurality of thousands of cores), and compared with a traditional symmetrical copper loop and a coaxial copper loop, the optical fibers have much larger transmission capacity; the attenuation is less; the transmission distance is long; the volume is small; the weight is light; no electromagnetic interference exists; low cost and is currently the most promising communication transmission medium. The optical cable is widely used for signal transmission of various departments such as telecommunication, electric power, broadcasting and the like and gradually becomes a main body of a future communication network, and the main difference between the optical cable and the cable is that the optical cable is required to be provided with a reinforcing member to bear external mechanical load so as to protect the optical fiber from being influenced by various external mechanical forces. Optical fiber cable lines play an important role in the development of communications engineering. The optical cable communication line plays a very important role in the current communication industry, and can effectively ensure the rapid development of the communication industry, so that the communication equipment is continuously improved, and the stable operation of the communication optical cable line is ensured, thereby ensuring the stability of a communication network.
With the advent of informatization and uninterrupted big data information transmission era, higher requirements are put forward on the continuity of the buried optical cable and the quick positioning of fault points. In the conventional optical cable fault location and search process, the OTDR is usually used to measure the length of the fault point and determine the fault location. The OTDR is also called an optical time domain reflectometer, and is a precise photoelectric integrated instrument made of rayleigh scattering generated when laser is transmitted in an optical fiber and back scattering generated by fresnel reflection, which is widely used in maintenance and construction of optical cable lines and can measure the length of the optical fiber, transmission attenuation of the optical fiber, joint attenuation, fault location, etc.
The method comprises the steps that the ground distance of the optical cable is often different from the actual distance of the optical cable due to uncontrollable factors such as coiling, welding, bending and the like in the laying process of the optical cable, the breakpoint distance is measured by using the OTDR at first when the optical cable breakpoint is positioned in engineering practice, actual measurement is carried out according to the redundancy proportion between the ground and the optical cable laying process, the optical cable is found by excavation and cut off, the measurement is continuously carried out by using the OTDR until the optical cable breakpoint is approached, and the existing communication optical cable tool for underground laying is generally an excavator. Excavators, also known as excavating machines, also known as excavators, are earth moving machines that excavate material above or below a load bearing surface with a bucket and load it into a transport vehicle or unload it to a stockyard. Excavators are classified into mechanical type and hydraulic type, and most of the excavators are hydraulic type at present. The hydraulic excavator consists of a lower walking body, an upper revolving body and a front end working device. The upper revolving body can rotate 360 degrees with the lower walking body, and the operation is carried out by using a powerful working device under the fixed state of the machine body. The front end working device consists of an arm cylinder, an arm, a movable arm cylinder, a movable arm, a bucket cylinder and a bucket. The lower walking body is composed of a tension wheel, a chain wheel, a driving wheel, a thrust wheel, a crawler belt, a walking bracket and the like. Among them, the tension pulley, the carrier roller, the drive wheel, the thrust wheel, and the crawler are called "four-wheel belt". The upper revolving body is composed of a cab, an air filter chamber, a radiator chamber, a pump chamber, an engine, an oil tank, a revolving support and the like.
Frozen soil is a hard state soil body in which water is converted into crystals (namely, frozen) and solid particles are cemented when the soil body containing water is at subzero temperature. Due to the existence of ice, the physical, mechanical and chemical properties of the ice are changed in a very complicated way, and the intensity of the ice is improved by several times or even dozens of times compared with the non-frozen state. The mechanical property of frozen soil is changed violently with the temperature change, and shows viscoplasticity and stronger toughness, and the special property of cohesion makes the frozen soil have higher strength than that of non-frozen soil and different brittleness from that of common rock. Therefore, ordinary excavating equipment used for non-frozen soil areas and rock engineering is generally difficult to be directly used for excavating frozen soil. Most of the conventional excavators are large-sized excavators, most of the excavators are used for excavating soil in a spiral auger soil mode, the mode is only suitable for excavating deep soil, is not suitable for excavating soil pits with relatively large diameters and is not easy to remove the soil, and Chinese patent 201310145359.3 discloses a handheld excavator. However, the communication optical cable is easily cut off when the bucket excavator excavates soil, and the dust flies when the bucket excavator excavates soil, which results in low working efficiency, so that it is necessary to design a frozen soil excavating device which can efficiently excavate soil, is flexible to operate, and prevents dust from flying.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high efficiency is dug native, flexible operation, is avoided dust to fly upward the dedicated frozen soil excavating gear of underground communication optical cable.
The utility model is realized by the following technical proposal, an optical cable trench and cable trench frozen soil excavating device comprises an excavator main body, a suspension arm, a support arm, a telescopic hydraulic cylinder and an excavating device, wherein the excavating device comprises an electric push rod, a motor, a protective cylinder, a coal mining machine roller, a spiral baffle, a lower baffle, a planetary reducer, a cutting tooth and a bottom plate, the top of the electric push rod is connected with the suspension arm through a bolt, the bottom of the electric push rod extends into the protective cylinder and is fixedly connected with the motor, the protective cylinder is fixedly sleeved with the bottom of the electric push rod, the outer side of the protective cylinder is provided with the spiral baffle, the spiral baffle is spirally welded with the outer side of the protective cylinder upwards, the bottom of the protective cylinder is provided with the lower baffle, the lower baffle is arranged below the spiral baffle and is welded with the protective cylinder, the motor is arranged inside the protective cylinder, the lower side of the protective cylinder is provided with the planetary reducer, the outer, coal-winning machine cylinder cover in the planetary reducer outside, with planetary reducer fixed connection, the coal-winning machine cylinder outside be provided with the pick, pick one end and coal-winning machine cylinder fixed connection, most advanced one end direction is downward, the bottom plate set up in planetary reducer below, the bottom plate be circular, bottom plate border position and coal-winning machine protect a bottom border position welded connection, the bottom plate below be provided with the downward pick of a plurality of directions.
The digging device top pass through bolted connection with the davit, davit top and support arm swing joint, the support arm setting at excavator main part top, flexible pneumatic cylinder set up at the support arm top, through the bolt fastening on the support arm, the excavator main part still include the control room, the control room still include control button, display screen and controller, the input of digging device be connected with the output electricity of controller, motor, electric putter's input be connected with the output electricity of controller, the input of display screen be connected with the output electricity of controller, control button be connected with the controller electricity.
The size of the coal mining machine roller is selected to be suitable according to actual needs, and the size of the coal mining machine roller is matched with that of the planetary reducer.
The soil excavating device further comprises a communication optical cable fault positioning device, wherein the communication optical cable fault positioning device is arranged inside the protective cylinder and electrically connected with the controller.
Advantageous effects
The utility model provides an optical cable ditch, cable pit frozen soil excavating gear, including excavator main part, davit, support arm, flexible pneumatic cylinder, the device of digging include electric putter, motor, protect a section of thick bamboo, coal-winning machine cylinder, helical baffle, lower baffle, planetary reducer, pick, bottom plate, solved current excavator excavation scope little, work efficiency is low, dust flies upward during digging, the problem of easily digging disconnected communication optical cable, the utility model combines coal-winning machine cylinder and excavator, utilizes general motor and planetary reducer high efficiency drive, has realized that the scope of digging of the device of digging is big, the effect of high-efficient digging, helical baffle and lower baffle on the protect a section of thick bamboo avoid dust to fly upward, can lead the frozen soil piece of digging out to the ditch limit simultaneously, conveniently backfill, communication optical cable fault locating device in the protect a section of thick bamboo realizes accurate location to communication optical cable fault position, prevent to dig disconnected communication optical cable, the utility model relates to a high efficiency is dug native, flexible operation, is avoided dust to fly up the dedicated excavating gear of underground communication optical cable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the integral casing of the present invention;
FIG. 3 is a schematic view of the structure and the disassembly of the axle planetary reducer of the present invention;
fig. 4 is a schematic view of the drum of the coal mining machine of the present invention.
Reference numerals
1. The excavator comprises an excavator main body, 2, a suspension arm, 3, a support arm, 4, a telescopic hydraulic cylinder, 5, an excavating device, 6, an electric push rod, 7, a motor, 8, a protective cylinder, 9, a coal mining machine roller, 10, a spiral baffle, 11, a lower baffle, 12, a planetary reducer, 13, a cutting pick, 14 and a bottom plate.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, 2, 3 and 4, a frozen soil excavating device for a cable trench and a cable trench comprises an excavator main body 1, a boom 2, a support arm 3, a telescopic hydraulic cylinder 4 and an excavating device 5, wherein the excavator main body 1, the boom 2, the support arm 3 and the telescopic hydraulic cylinder 4 are in the prior art of a crawler excavator and are not repeated, the functions and the working principle of the excavator main body 1 are the same as those of the existing crawler excavator and are not repeated, the excavating device 5 comprises an electric push rod 6, a motor 7, a protective cylinder 8, a coal mining machine roller 9, a spiral baffle plate 10, a lower baffle plate 11, a planetary reducer 12, a cutting tooth 13 and a bottom plate, the top of the electric push rod 6 is connected with the boom 2 through a bolt, the bottom of the electric push rod extends into the protective cylinder 8 and is fixedly connected with the motor 7, the protective cylinder 8 is cylindrical, and a through hole is arranged at the top, the coal mining machine is fixedly connected with an electric push rod 6 in a sleeved mode, the bottom of a protective barrel 8 is fixedly connected with the bottom of the electric push rod 6 in a sleeved mode, a spiral baffle plate 10 is arranged on the outer side of the protective barrel 8, the spiral baffle plate 10 is upwards welded with the outer side of the protective barrel 8 in a spiral mode, a lower baffle plate 11 is arranged at the bottom of the protective barrel 8, the lower baffle plate 11 is arranged below the spiral baffle plate 10 and is connected with the protective barrel 8 in a welded mode, a through hole is formed in the center of the lower baffle plate 11 and is used for connecting a motor and a planetary reducer 12, the motor 7 is arranged inside the protective barrel 8, the planetary reducer 12 is arranged below the motor 7, a power shaft on the motor 7 is fixedly connected with the center of the planetary reducer 12, a coal mining machine roller 9 is arranged on the outer side of the planetary reducer 12, the coal mining machine roller 9 is sleeved on, pick 13 one end and coal-winning machine cylinder 9 fixed connection, most advanced one end direction down, the bottom plate setting in planetary reducer 12 below, the bottom plate be circular, bottom plate border position and coal-winning machine protect a 8 bottom border positions welded connection, the bottom plate below be provided with the downward pick 13 of a plurality of directions. The utility model discloses the coal-winning machine cylinder 9 structure that excavating device 5 adopted is the same with the special cylinder structure of coal-winning machine, does not do and gives unnecessary details, the utility model discloses the coal-winning machine cylinder 9 that excavating device 5 adopted is the reduction proportion preparation of the special cylinder of coal-winning machine, and concrete size is according to the actual need preparation. Planetary reducer 12 and motor 7 jointly use as the utility model discloses the drive power of 5 coal-winning machine cylinders 9 of earthmoving device, pick 13 most advanced direction has guaranteed downwards that the power direction is unanimous, dust does not fly upward, motor 7's power shaft and planetary reducer 12 center mesh fixed, motor 7's power shaft is high rotational speed rotatory, carry out one-level speed reduction, second grade speed reduction through planetary reducer 12's one-level planet carrier and second grade planet carrier, realize the transformation of power, pass through the meshing between the gear to high rotational speed, the change of gear size realizes the maximize of drive strength, lets coal-winning machine cylinders 9 high-speed rotatory, drives welded bottom plate high-speed rotatory, pick 13 most advanced end breaks hard soil or stone, lets the soil surface become soft, uses through electric putter 6 cooperation, electric putter 6 extension, makes coal-winning machine cylinders 9 go deep into ground, the soil is excavated downwards, the excavating height (depth) of a roller 9 of the coal mining machine is determined by the extending length of the electric push rod 6, and the protective cylinder 8 protects the motor 7 and the planetary reducer 12 from being eroded and blocked by frozen soil blocks.
Example 2
As shown in figure 1, the top of the soil digging device 5 is connected with the suspension arm 2 through a bolt, the top of the suspension arm 2 is movably connected with the support arm 3, the support arm 3 is arranged at the top of the excavator main body 1, the telescopic hydraulic cylinder 4 is arranged at the top of the support arm 3, one end of the telescopic hydraulic cylinder is fixed on the support arm 3 through a bolt, the other end of the telescopic hydraulic cylinder is fixedly connected with the suspension arm 2 through a bolt, the excavator main body 1 further comprises a control room, the control room further comprises a control button, a display screen and a controller, the input end of the soil digging device 5 is electrically connected with the output end of the controller, the input end of the motor 7 and the input end of the electric push rod 6 are electrically connected with the output end of the controller, the input end of the display screen is electrically connected with the output. The extending length of the electric push rod 6 is controlled by the controller, and the display screen displays the digging height.
Example 3
As shown in fig. 1, 3 and 4, the size of the shearer drum 9 is selected to be a suitable model according to actual needs, and the size of the shearer drum 9 is matched with that of the planetary reducer 12.
Example 4
The digging device 5 further comprises a communication optical cable fault positioning device which is arranged inside the protective cylinder 8 and electrically connected with the controller. The display screen displays the distance between the fault location of the communication optical cable and the ground, and the fault location device of the communication optical cable adopts the prior art and is not described in detail. The protective cylinder 8 protects the communication optical cable fault positioning device from being damaged by the frozen soil blocks.
The working principle is as follows:
as shown in fig. 1, 2, 3 and 4, a frozen soil excavating device 5 for a cable trench and a cable trench comprises an excavator main body 1, a boom 2, a support arm 3, a telescopic hydraulic cylinder 4 and an excavating device 5, wherein the excavator main body 1, the boom 2, the support arm 3 and the telescopic hydraulic cylinder 4 are in the prior art of a crawler excavator and are not repeated, the functions and the working principle of the excavator main body 1 are the same as those of the prior crawler excavator and are not repeated, the top of the excavating device 5 is connected with the boom 2 through a bolt, the top of the boom 2 is movably connected with the support arm 3, the support arm 3 is arranged at the top of the excavator main body 1, the telescopic hydraulic cylinder 4 is arranged at the top of the support arm 3 and is fixed on the support arm 3 through a bolt, the excavating device 5 comprises an electric push rod 6, a motor 7, a protective cylinder 8, a coal mining machine roller 9 and a spiral baffle 10, the top of the electric push rod 6 is connected with the suspension arm 2 through a bolt, the bottom of the electric push rod extends into a protective cylinder 8 and is fixedly connected with a motor 7, the bottom of the protective cylinder 8 is fixedly sleeved with the bottom of the electric push rod 6, a spiral baffle 10 is arranged on the outer side of the protective cylinder 8, the spiral baffle 10 is spirally welded with the outer side of the protective cylinder 8 upwards, a lower baffle 11 is arranged at the bottom of the protective cylinder 8, the lower baffle 11 is arranged below the spiral baffle 10 and is welded with the protective cylinder 8, the motor 7 is arranged inside the protective cylinder 8, a planetary reducer 12 is arranged below the motor 7, a power shaft on the motor 7 is fixedly connected with the center of the planetary reducer 12, a coal mining machine roller 9 is arranged on the outer side of the planetary reducer 12, the coal mining machine roller 9 is sleeved on the outer side of the planetary reducer 12 and is fixedly connected with the planetary reducer 12, the coal mining machine roller 9 outside be provided with pick 13, pick 13 one end and coal mining machine roller 9 fixed connection, most advanced one end direction is downward, the bottom plate set up in planetary reducer 12 below, the bottom plate be circular, bottom plate border position and coal mining machine protect a 8 bottom border positions welded connection, the bottom plate below be provided with the downward pick 13 of a plurality of directions. Excavator main part 1 still include the control room, the control room still include control button, display screen and controller, the input of digging device 5 be connected with the output electricity of controller, motor 7, electric putter 6's input be connected with the output electricity of controller, the input of display screen be connected with the output electricity of controller, control button be connected with the controller electricity. The digging device 5 further comprises a communication optical cable fault positioning device which is arranged inside the protective cylinder 8 and electrically connected with the controller. The fault locating device for the communication optical cable adopts the prior art and is not described in detail. The size of the coal mining machine roller 9 is selected to be suitable according to actual needs, and the size of the coal mining machine roller 9 is matched with that of the planetary reducer 12. The utility model discloses the coal-winning machine cylinder 9 structure that excavating device 5 adopted is the same with the special cylinder structure of coal-winning machine, does not do and gives unnecessary details, the utility model discloses the coal-winning machine cylinder 9 that excavating device 5 adopted is the reduction proportion preparation of the special cylinder of coal-winning machine, and concrete size is according to the actual need preparation. According to the size of the excavation size, the proper coal mining machine roller 9 is selected, the excavation range is large, and the efficiency is high; planetary reducer 12 and motor 7 jointly use as the driving power of coal-winning machine cylinder 9 of the utility model discloses excavating gear 5, pick 13 most advanced direction has guaranteed downwards that the power direction is unanimous, dust does not fly upward, motor 7's power shaft and planetary reducer 12 center mesh fixed, motor 7's power shaft is high rotational speed rotatory, drive planetary reducer high-speed rotatory, let coal-winning machine cylinder 9 high-speed rotatory, drive welded bottom plate high-speed rotatory, pick 13 most advanced breaks hard soil or stone, let the soil surface become soft, use through electric putter 6 cooperation, electric putter 6 extension, make coal-winning machine cylinder 9 go deep into the ground, dig downwards, electric putter 6 extension length decides cylinder 9 excavation height (degree of depth), electric putter 6 extension length passes through controller control, the display screen shows excavation height, the lower baffle 11 on the protective cylinder 8 plays a role in preventing dust from flying, the spiral baffle 10 facilitates the downward excavation of the roller 9 of the coal mining machine, and meanwhile, when the excavation device 5 is pulled upwards, the lower baffle 11 and the spiral baffle 10 can take out frozen soil blocks.
The working process is as follows: the excavating device 5 is fixed with a support arm 3 on an excavator main body 1 and is electrically connected with a control room, the distance of a breakpoint is measured by using OTDR, actual measurement is carried out by utilizing the redundancy proportion in the process of laying the ground and the optical cable, excavation is carried out, the excavating device 5 is started, a motor 7 is started, the motor 7 drives a planetary reducer 12 to rotate at a high speed, the planetary reducer 12 drives a coal mining machine roller 9 to rotate at a high speed, a welded bottom plate is driven to rotate at a high speed, then a cutting tooth 13 rotates at a high speed, the tip of the cutting tooth 13 breaks hard soil or stones to soften the surface of the soil, an electric push rod 6 is controlled by a controller to be matched for use, the electric push rod 6 extends to ensure that the coal mining machine roller 9 goes deep into the ground and excavates the soil downwards, the extending length of the electric push rod 6 determines the excavating height (depth) of, the diameter of a coal mining machine roller 9 is large, the excavating range is large, the efficiency is high, the diameter and the cutting tooth size of the coal mining machine roller 9 are selected according to actual requirements, a lower baffle plate 11 on a protective cylinder 8 plays a role in preventing dust from flying, a spiral baffle plate 10 facilitates downward excavation of the coal mining machine roller 9, meanwhile, when an excavating device 5 is pulled upwards, a frozen soil block can be taken out by the lower baffle plate 11 and the spiral baffle plate 10, the taken-out frozen soil block is moved and poured at a designated position through a support arm 3 and placed along the edge of a ditch, the device is convenient to use when being buried, a communication optical cable fault positioning device in the protective cylinder 8 accurately measures the specific fault position of a communication optical cable, the display screen displays that the coal mining machine roller 9 stops moving at the fault position of 10-20 cm, the frozen soil block at the position of 10-20 cm is manually excavated to prevent the communication optical cable from being damaged, the excavating device 5 is arranged on, the earth digging position is adjusted through the movement of the suspension arm 2 and the support arm 3, the lifting and falling of the earth digging device 5 are realized through the lifting and falling of the suspension arm 2 and the support arm 3, the earth pushing and the earth digging are convenient, and the flexible operation is realized.
The utility model discloses a dozer blade cooperation of can installing is used for backfilling frozen soil piece.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (4)
1. The utility model provides an optical cable ditch, cable trench frozen soil excavating gear, includes excavator main part, davit, support arm, flexible pneumatic cylinder, the device of digging, its characterized in that: the excavator comprises an electric push rod, a motor, a protective barrel, a coal mining machine roller, a spiral baffle, a lower baffle, a planetary reducer, a cutting tooth and a bottom plate, wherein the top of the electric push rod is connected with a suspension arm through a bolt, the bottom of the electric push rod extends into the protective barrel and is fixedly connected with the motor, the bottom of the protective barrel is fixedly sleeved with the bottom of the electric push rod, the outer side of the protective barrel is provided with the spiral baffle, the spiral baffle is spirally upwards welded with the outer side of the protective barrel, the bottom of the protective barrel is provided with the lower baffle, the lower baffle is arranged below the spiral baffle and is welded with the protective barrel, the motor is arranged inside the protective barrel, the planetary reducer is arranged below the protective barrel, the coal mining machine roller is arranged outside the planetary reducer, the coal mining machine roller is sleeved outside the planetary reducer and is fixedly connected with the planetary reducer, the, pick one end and coal-winning machine cylinder fixed connection, most advanced one end direction down, the bottom plate set up in planet reduction gear below, the bottom plate be circular, bottom plate border position and coal-winning machine protect a section of thick bamboo bottom border position welded connection, the bottom plate below be provided with the downward pick of a plurality of directions.
2. The cable trench, cable trench frozen soil excavating device according to claim 1, wherein: the digging device top pass through bolted connection with the davit, davit top and support arm swing joint, the support arm setting at excavator main part top, flexible pneumatic cylinder set up at the support arm top, through the bolt fastening on the support arm, the excavator main part still include the control room, the control room still include control button, display screen and controller, the input of digging device be connected with the output electricity of controller, motor, electric putter's input be connected with the output electricity of controller, the input of display screen be connected with the output electricity of controller, control button be connected with the controller electricity.
3. The cable trench, cable trench frozen soil excavating device according to claim 1, wherein: the size of the coal mining machine roller is selected to be suitable according to actual needs, and the size of the coal mining machine roller is matched with that of the planetary reducer.
4. The cable trench, cable trench frozen soil excavating device according to claim 1, wherein: the soil excavating device further comprises a communication optical cable fault positioning device, wherein the communication optical cable fault positioning device is arranged inside the protective cylinder and electrically connected with the controller.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112670940A (en) * | 2021-01-14 | 2021-04-16 | 成都市成华区咎双文商贸有限公司 | Cable anti-digging groove |
CN115387412A (en) * | 2022-07-26 | 2022-11-25 | 中铁十六局集团第一工程有限公司 | High-altitude severe cold area frozen soil excavation equipment |
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2020
- 2020-01-08 CN CN202020028867.9U patent/CN211735575U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112670940A (en) * | 2021-01-14 | 2021-04-16 | 成都市成华区咎双文商贸有限公司 | Cable anti-digging groove |
CN115387412A (en) * | 2022-07-26 | 2022-11-25 | 中铁十六局集团第一工程有限公司 | High-altitude severe cold area frozen soil excavation equipment |
CN115387412B (en) * | 2022-07-26 | 2024-04-09 | 中铁十六局集团第一工程有限公司 | Frozen soil excavation equipment for high-altitude severe cold region |
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