Fully automatic intelligent drilling device

Through the fully automatic intelligent drilling device, the lifting and traveling mechanism is used to automatically drill holes in the cable trench, which solves the problems of high intensity, low safety, unstable quality and low efficiency of manual drilling, and realizes efficient, safe and low-cost drilling operations.

CN115070962BActive Publication Date: 2025-10-03GUANGDONG POWER TRANSMISSION & TRANSFORMATION ENG
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Patent Information

Application Number
CN202210749628.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-06-29
Publication Date
2025-10-03
Estimated Expiration
2042-06-29

AI Technical Summary

Technical Problem

The existing manual drilling technology has the problems of high work intensity, low safety, unstable drilling quality, low construction efficiency and high cost.

Method used

A fully automatic intelligent drilling device has been designed, including a lifting component, a drilling component and a traveling mechanism. It can automatically drill holes in the cable trench, cover all drilling locations through the lifting and traveling mechanisms, and combine with the distance measurement and water spray dust reduction components to ensure the quality and safety of drilling.

Benefits of technology

It improves drilling efficiency and safety, reduces construction costs, ensures the stability of drilling quality and the health of construction workers, and reduces dust pollution.

✦ Generated by Eureka AI based on patent content.

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Abstract

An embodiment of the present invention provides a fully automatic intelligent drilling device, which includes a lifting assembly, a drilling assembly, and a travel mechanism; the lifting assembly is used to drive the drilling assembly to rise or fall; the drilling assembly is used to drill holes on the side wall of the cable trench; and the travel mechanism is used to drive the lifting assembly and the drilling assembly to move along the cable trench. The fully intelligent automated drilling device uses a travel mechanism to drive the drilling assembly to drill holes at different horizontal positions in the cable trench, and also uses a lifting assembly to drive the drilling assembly to drill holes at different heights in the cable trench, so that its construction range can cover all locations in the cable trench that need to be drilled; generally speaking, the fully automatic intelligent drilling device can replace manual labor to complete the drilling operation of the cable trench, improve work efficiency and construction safety, ensure stable drilling quality, ensure the health of construction workers, and reduce construction costs.
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Description

Technical Field

[0001] The present invention relates to the technical field of drilling equipment, and in particular to a fully automatic intelligent drilling device. Background Art

[0002] Currently, substations within power grid systems are typically installed as outdoor or indoor substations. Regardless of whether they are indoors or outdoors, cable trenches of varying lengths are present, and cable supports are required to support the laying of cables. The cable supports are secured by drilling holes into the trench walls, which are then secured using pull-out or top-out bolts. During construction, the number of holes drilled is often enormous; in some projects, the number of holes required can approach 100,000. Currently, such a large construction volume is essentially completed by construction workers using handheld impact drills. For workers, manual drilling presents challenges such as excessive workload, the risk of electric shock from handheld power tools, and the health risks of dust generated during drilling. For construction companies, manual drilling also presents issues such as unstable drilling quality, low efficiency, and excessively high labor costs. Therefore, there is an urgent need for drilling equipment to replace manual drilling of cable trenches. Summary of the Invention

[0003] The embodiment of the present invention provides a fully automatic intelligent drilling equipment, which is used to solve the problems of high labor intensity, low safety, difficulty in ensuring worker health, unstable drilling quality, low construction efficiency and high labor costs in the existing manual drilling technology.

[0004] In an embodiment of the present invention, the fully automatic intelligent drilling device includes a lifting assembly, a drilling assembly, and a travel mechanism;

[0005] The lifting assembly is used to drive the drilling assembly to rise or fall; the drilling assembly is used to drill holes on the side wall of the cable trench; the traveling mechanism is used to drive the lifting assembly and the drilling assembly to move along the cable trench.

[0006] As a further optional solution for the fully automatic intelligent drilling device, the lifting assembly includes a top frame, a bottom frame, a lifting guide rail, a lifting platform and a lifting drive component; a plurality of the lifting guide rails are arranged between the top frame and the bottom frame, the lifting platform is slidably connected to the lifting guide rails, the lifting platform is used to carry the drilling assembly, and the lifting drive component is used to drive the lifting platform to rise or fall along the lifting guide rails.

[0007] As a further optional solution for the fully automatic intelligent drilling device, the lifting drive component is configured as a lifting cylinder and a lifting hydraulic pump, the lifting hydraulic pump is used to drive the lifting cylinder to move, the non-output end of the lifting cylinder is fixedly connected to the top frame, and the output end is connected to the lifting platform.

[0008] As a further optional solution for the fully automatic intelligent drilling device, the drilling assembly includes a drilling device, a propulsion drive and a sliding frame; the drilling device is fixedly connected to the sliding frame, the sliding frame is slidably connected to the lifting platform, and the propulsion drive can drive the drilling device forward or backward along the drilling direction on the lifting platform.

[0009] As a further optional solution for the fully automatic intelligent drilling device, the propulsion drive component is configured as a propulsion cylinder and a propulsion hydraulic pump, the propulsion hydraulic pump is used to drive the propulsion cylinder to move, the lifting platform includes an upper cover plate, a lower cover plate and a side plate, the side plate is arranged between the upper cover plate and the lower cover plate, the non-output end of the propulsion cylinder is fixedly connected to the side plate, and the output end is connected to the sliding frame, and the output end of the lifting drive component is connected to the upper cover plate.

[0010] As a further optional solution for the fully automatic intelligent drilling device, the travel mechanism includes a base, rollers, a wheel axle and a travel drive; the base is used to support the wheel axle and the travel drive, and the base can be fixedly connected to the top frame or the bottom frame; the rollers are fixedly connected to both ends of the wheel axle, and the travel drive is used to drive the wheel axle to rotate.

[0011] As a further optional solution for the fully automatic intelligent drilling device, the base is fixedly connected to the top frame, the roller can be mounted in the top angle steel at the top of the cable trench, and the axle is configured as an adjustable axle. The length of the adjustable axle can be adjusted to adapt to the construction of cable trenches of different widths.

[0012] As a further optional solution of the fully automatic intelligent drilling device, the travel mechanism includes an electromagnetic suction brake, and the electromagnetic suction brake can be attracted to the top pressing angle steel.

[0013] As a further optional solution for the fully automatic intelligent drilling device, the fully automatic intelligent drilling device also includes a lifting and ranging component, a stepping and ranging component, a drilling depth ranging component and a control module. The lifting and ranging component is used to measure the distance that the lifting platform rises or falls, the stepping and ranging component is used to measure the distance that the traveling mechanism moves, and the drilling depth ranging component is used to measure the depth of the hole drilled by the drilling component; the control module can control the start or shut down of the lifting component, the drilling component and the traveling mechanism according to the set value of the construction personnel and the measurement results of the lifting and ranging component, the stepping and ranging component and the drilling depth ranging component.

[0014] As a further optional solution of the fully automatic intelligent drilling device, the fully automatic intelligent drilling device also includes a water spraying and dust reduction component, which can spray water during the drilling operation in the cable trench.

[0015] The implementation of the present invention will have the following beneficial effects:

[0016] This fully intelligent automated drilling device uses a travel mechanism to drive the drilling assembly to drill holes at different horizontal positions in the cable trench, and also uses a lifting assembly to drive the drilling assembly to drill holes at different heights in the cable trench, so that its construction range can cover all drilling locations in the cable trench. Overall, this fully automatic intelligent drilling device can replace manual labor to complete the drilling operation of the cable trench, improve work efficiency and construction safety, ensure the stability of drilling quality, ensure the health of construction workers, and reduce construction costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] in:

[0019] Figure 1 Schematic diagram of the main structure of the fully automatic intelligent drilling device from one perspective in one embodiment of the present invention;

[0020] Figure 2 A schematic diagram of the main structure of the fully automatic intelligent drilling device in one embodiment of the present invention from another perspective;

[0021] Description of main component symbols:

[0022] 10-lifting assembly, 11-top frame, 12-bottom frame, 13-lifting guide rail, 141-lifting cylinder, 142-lifting hydraulic pump, 15-lifting platform, 151-upper cover, 152-lower cover, 153-side panel;

[0023] 20-drilling assembly, 21-drill bit, 22-motor, 23-sliding frame, 241-propulsion cylinder, 242-propulsion hydraulic pump;

[0024] 30-travel mechanism, 31-roller, 32-adjustable wheel axle, 33-travel drive member, 34-synchronous belt, 35-electromagnetic suction brake, 351-fixed block, 352-electromagnet, 353-connecting rod, 36-base;

[0025] 41-lifting distance measuring component, 42-stepping distance measuring component, 43-drilling depth distance measuring component;

[0026] 50-water spray dust suppression component, 51-water tank. DETAILED DESCRIPTION

[0027] To facilitate understanding of the present invention, the present invention will be described more fully below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention may be implemented in many other forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the present disclosure.

[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0029] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used in this specification of the present invention are for the purpose of describing specific embodiments only and are not intended to limit the present invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0030] The embodiment of the present invention provides a fully automatic intelligent drilling equipment, which is used to solve the problems of high labor intensity, low safety, difficulty in ensuring worker health, unstable drilling quality, low construction efficiency and high labor costs in the existing manual drilling technology.

[0031] In the embodiments of the present invention, please refer to Figures 1 to 2 The fully automatic intelligent drilling device includes a lifting assembly 10, a drilling assembly 20, and a travel mechanism 30. The lifting assembly 10 is used to drive the drilling assembly 20 to rise or fall, and the drilling assembly 20 is used to drill holes on the sidewalls of the cable trench. The travel mechanism 30 is used to drive the lifting assembly 10 and the drilling assembly 20 to move along the cable trench.

[0032] The fully intelligent automated drilling device utilizes a travel mechanism 30 to drive the drilling assembly 20 to drill holes at different horizontal positions in the cable trench, and also utilizes a lifting assembly 10 to drive the drilling assembly 20 to drill holes at different heights in the cable trench, so that its construction range can cover all positions in the cable trench where holes need to be drilled. In general, the fully automatic intelligent drilling device can replace manual labor to complete the drilling operation of the cable trench, thereby improving operation efficiency and construction safety, ensuring stable drilling quality, ensuring the health of construction workers, and reducing construction costs.

[0033] In one embodiment, the lifting assembly 10 includes a top frame 11, a bottom frame 12, a lifting guide rail 13, a lifting platform 15 and a lifting drive component; a plurality of lifting guide rails 13 are erected between the top frame 11 and the bottom frame 12, and the lifting platform 15 is slidably connected to the lifting guide rails 13. The lifting platform 15 is used to carry the drilling assembly 20, and the lifting drive component is used to drive the lifting platform 15 to rise or fall along the lifting guide rails 13.

[0034] In a specific embodiment, a slide groove is provided on the lifting guide rail 13, and a slider is provided at the connection between the lifting platform 15 and the lifting guide rail 13. The slider is slidably connected in the slide groove, thereby realizing a sliding connection between the lifting platform 15 and the lifting guide rail 13.

[0035] Regarding the lifting drive component, in a specific embodiment, the lifting drive component is configured as a lifting motor and a synchronous belt.

[0036] In a specific embodiment, the lifting drive component is preferably a lifting cylinder 141 and a lifting hydraulic pump 142. The lifting hydraulic pump 142 is used to drive the lifting cylinder 141 to move. The non-output end of the lifting cylinder 141 is fixedly connected to the top frame 11, and the output end is connected to the lifting platform 15.

[0037] Compared with the solution using a lifting motor and a synchronous belt, the advantage of using a lifting cylinder 141 is that it has a simple structure, is suitable for high-power application scenarios, has high adjustability, has good self-lubrication of components, and is easy to achieve overload protection and pressure maintenance. Therefore, it is the preferred solution in practice.

[0038] In a specific embodiment, the drilling assembly 20 includes a drilling device, a propulsion drive and a sliding frame 23; the drilling device is fixedly connected to the sliding frame 23, and the sliding frame 23 is slidably connected to the lifting platform 15, and the propulsion drive can drive the drilling device forward or backward along the drilling direction on the lifting platform 15.

[0039] The advantage of adopting the above embodiment is that the sliding frame 23 is slidably connected to the lifting platform 15 rather than the drilling equipment being directly slidably connected to the lifting platform 15, thereby avoiding wear on the drilling equipment during the sliding process.

[0040] In a more specific embodiment, the propulsion drive member is preferably a propulsion cylinder 241 and a propulsion hydraulic pump 242. The propulsion hydraulic pump 242 is used to drive the propulsion cylinder 241 to move. The lifting platform 15 includes an upper cover plate 151, a lower cover plate 152 and a side plate 153. The side plate 153 is arranged between the upper cover plate 151 and the lower cover plate 152. The non-output end of the propulsion cylinder 241 is fixedly connected to the side plate 153, and the output end is connected to the sliding frame 23. At this time, the output end of the lifting drive member is connected to the upper cover plate 151.

[0041] In the above-described embodiment, if the lifting platform 15 is configured as a flat plate, then when the lifting drive is configured as a lifting cylinder 141, due to the avoidance between the output end of the lifting cylinder 141 and the drilling equipment, the output end of the lifting cylinder 141 and the drilling equipment cannot be at the same vertical height. The heavy weight of the drilling equipment will generate a large torque at the connection between the output end of the lifting cylinder 141 and the lifting platform 15, which may easily damage the connection. The use of an upper cover plate 151 and a lower cover plate 152 can avoid this problem. Furthermore, in some embodiments, multiple side panels 153 can be provided to better protect the drilling equipment.

[0042] In a further specific embodiment, the drilling equipment includes a drill bit 21 and a motor 22 , and the motor 22 is used to drive the drill bit 21 to rotate.

[0043] The advantage of adopting this embodiment is that when the drill bit 21 is worn, the drill bit 21 can be directly replaced.

[0044] In a further specific embodiment, the motor 22 is preferably a servo motor.

[0045] The advantages of using servo motors are their good high-speed performance, strong overload resistance and smooth operation.

[0046] In a specific embodiment, the travel mechanism 30 includes a base 36, a roller 31, an axle and a travel drive 33. The base 36 is used to support the axle and the travel drive 33, and the base 36 can be fixedly connected to the top frame 11 or the bottom frame 12; the roller 31 is fixedly connected to both ends of the axle, and the travel drive 33 is used to drive the axle to rotate.

[0047] In a more specific embodiment, the base 36 is fixedly connected to the top frame 11, and the roller 31 can be installed in the top angle steel at the top of the cable trench. The wheel axle is preferably an adjustable wheel axle 32, and the length of the adjustable wheel axle 32 can be adjusted to adapt to the construction of cable trenches of different widths.

[0048] In a further specific embodiment, the adjustable axle 32 includes a first sleeve, a second sleeve, and a third sleeve. The first sleeve is hollow, and the second and third sleeves are respectively sleeved on both ends of the first sleeve. The first, second, and third sleeves are provided with a plurality of positioning holes. By aligning the positioning holes and securing them with a fixing member, the length of the adjustable axle 32 can be changed.

[0049] In a further specific embodiment, the first sleeve and the second sleeve, and the first sleeve and the third sleeve are connected by threads.

[0050] The advantage of using a threaded connection is that it can help fix the relative positions between the first sleeve and the second sleeve, and between the first sleeve and the third sleeve.

[0051] Taking into account that even cable trenches of the same width may have slight changes in width at different locations, in order to avoid the drilling device having difficulty moving due to the top angle steel squeezing the roller 31 when the cable trench is narrow, in another further specific embodiment, the adjustable wheel axle 32 is composed of two short shafts of adjustable length, and the two short shafts are connected by a buffer.

[0052] In a further specific embodiment, the buffer member is preferably a spring.

[0053] In a further specific embodiment, two adjustable axles 32 are provided, the travel drive member 33 is provided between the two adjustable axles 32 , and the output end of the travel drive member 33 is connected to the two adjustable axles 32 through a synchronous belt 34 .

[0054] In a further specific embodiment, the travel drive member 33 is preferably a dual-output shaft motor.

[0055] In another further specific embodiment, the output end of the travel drive member 33 is connected to the two adjustable wheel axles 32 through a gear connection.

[0056] In another more specific embodiment, the traveling mechanism 30 is disposed below the base frame 12 .

[0057] In the embodiment where the travel mechanism 30 is placed below the base frame 12, the base frame 12 may prevent the drilling equipment from descending to this height, and the drilling positions below this height cannot be covered. At the same time, placing the travel mechanism 30 below the base frame 12 means that the mechanism needs to travel in the cable trench. The uneven surface of the cable trench will increase the travel difficulty of the travel mechanism 30 and also affect the accuracy of the drilling position. The top angle steel on the cable trench can serve as a good travel track for the travel mechanism 30. Therefore, in practice, the solution of placing the travel mechanism 30 on the top frame 11 is the preferred solution.

[0058] In some other specific embodiments, the roller 31 can be replaced by a track.

[0059] In a more specific embodiment, the travel mechanism 30 includes an electromagnetic suction brake 35, which can be attracted to the top angle steel at the top of the cable trench, thereby firmly fixing the entire structure during drilling, ensuring the positioning accuracy of the drilling and the quality of the hole.

[0060] In a further specific embodiment, the electromagnetic suction brake includes a fixed block 351, an electromagnet 352, a connecting rod 353, and a spring. Fixed block 351 has a connecting hole, into which the spring and one end of the connecting rod 353 are disposed. One end of the connecting rod 353 is fixedly connected to the electromagnet 352. When electromagnet 352 is activated, it attracts the top angle steel, stretching or compressing the spring. When electromagnet 352 is deactivated, the spring resets the electromagnet 352.

[0061] The advantage of adopting this solution is that the spring can buffer the vibration caused by the drilling machine during drilling, thereby ensuring that the electromagnet 352 is tightly attracted to the top angle steel when working.

[0062] In a further specific embodiment, the connecting hole is configured as a blind hole, one end of the spring is fixedly connected to the bottom of the blind hole, and the other end is fixedly connected to the connecting rod 353. When the electromagnet 352 is started, the spring is stretched, and when the electromagnet 352 is turned off, the spring retracts and drives the electromagnet 352 to reset.

[0063] In another more specific embodiment, a spring is sleeved onto a connecting rod 353. A limit plate is provided at the end of the connecting rod 353, and a limit block is provided at the opening of the connecting hole. Both ends of the spring are restrained by the limit plates and the limit blocks. When electromagnet 352 is activated, it engages the capping angle steel, pulling the connecting rod 353 away from the fixed block 351. The limit block at the opening of the connecting hole prevents the spring from dislodging, while the limit plate at the end of the connecting rod 353 moves one end of the spring, thereby compressing the spring. When electromagnet 352 is deactivated, the spring rebounds, causing electromagnet 352 to return to its original position.

[0064] In another further specific embodiment, the connecting rod 353 includes an outer sleeve and an inner sleeve. The outer sleeve is a hollow structure and is sleeved on the outside of the inner sleeve. The outer sleeve is provided with a plurality of positioning holes, and the inner sleeve is provided with a spring positioning key. The spring positioning key can be pressed into the inner sleeve when under pressure and pops out when the pressure is removed. By inserting the spring positioning key into different positioning holes, the length of the connecting rod 353 can be adjusted to adapt to different cable trench widths.

[0065] In some further specific embodiments, connecting rod 353 can be formed by connecting multiple sleeves, and the spring locating key can be replaced by a fixing member such as a dowel pin or bolt. Since the width of cable trenches is limited, a combination of two sleeves of appropriate length can cover most trench widths. Furthermore, the assembly of two sleeves is less difficult than that of multiple sleeves. Therefore, the two-sleeve solution is the preferred solution in practice. The spring locating key is more convenient to adjust than fixing members such as dowel pins and bolts, and is therefore also the preferred solution in practice.

[0066] The advantage of adopting this solution is that the length of the connecting rod 353 can be adjusted according to the width of the cable trench to ensure that the distance between the electromagnet 352 and the top angle steel is appropriate, thereby ensuring that the spring will not be excessively stretched or compressed, thereby extending the service life of the spring. On the other hand, the appropriate distance can also ensure the adsorption effect and avoid adsorption failure due to excessive distance.

[0067] In one embodiment, the fully automatic intelligent drilling device also includes a lifting and ranging component 41, a stepping and ranging component 42, a drilling depth ranging component 43 and a control module; the lifting and ranging component 41 is used to measure the distance of the lifting platform 15 rising or falling, the stepping and ranging component 42 is used to measure the distance of the movement of the traveling mechanism 30, and the drilling depth ranging component 43 is used to measure the depth of the hole drilled by the drilling component 20; and the control module can control the start or shut down of the lifting component 10, the drilling component 20 and the traveling mechanism 30 according to the setting values ​​of the construction personnel and the measurement results of the three ranging components.

[0068] The advantage of setting up a distance measuring component and a control module is that the horizontal position, height and depth of the drilling hole of the fully automatic intelligent drilling device can be accurately controlled by manually setting values ​​and measuring values ​​of the distance measuring component, thereby realizing automatic drilling.

[0069] In a specific embodiment that combines the above-mentioned embodiments, the lifting and distance measuring component 41 is arranged on the upper cover plate 151, and is used to measure the distance between the upper cover plate 151 and the top frame 11, thereby obtaining the rising or falling distance of the lifting platform 15; the stepping distance measuring component 42 is arranged on the base frame 12, and obtains the travel distance of the traveling mechanism 30 by measuring the distance between itself and a distant target; the drilling depth distance measuring component 43 is arranged on the sliding frame 23, and obtains the distance that the propulsion component pushes the drilling equipment to move by measuring the distance between itself and the cable trench wall, thereby obtaining the depth of the drilled hole.

[0070] In another specific embodiment, the distance measuring component is preferably a laser rangefinder.

[0071] The advantages of using a laser rangefinder are its light weight, small size, simple operation, fast speed and high measurement accuracy.

[0072] In one embodiment, the fully automatic intelligent drilling device further includes a water spraying and dust reduction component 50, which is capable of spraying water during the drilling operation in the cable trench.

[0073] In a specific embodiment, the water spray dust reduction assembly 50 includes a water pump and a water tank 51 , and the water pump is used to spray water in the water tank 51 .

[0074] The advantage of setting up a water spray dust reduction component 50 is that it can suppress the dust generated during the drilling process, reduce the impact of friction and heating of the drill bit 21 during drilling, effectively protect the construction environment and reduce the wear of construction tools, and at the same time spray water to infiltrate the hole wall, improve the quality of the hole, and facilitate the quality of the subsequent bracket installation.

[0075] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0076] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the patent for this invention shall be determined by the appended claims.

Claims

1. A fully automatic intelligent drilling device, characterized in that: It includes a lifting assembly, a drilling assembly and a travel mechanism; The lifting assembly is used to drive the drilling assembly to rise or fall; the drilling assembly is used to drill holes on the side wall of the cable trench; the travel mechanism is used to drive the lifting assembly and the drilling assembly to move along the cable trench; The travel mechanism includes an electromagnetic suction brake, which can be attracted to the top angle steel at the top of the cable trench; The electromagnetic suction brake includes a fixed block, an electromagnet, a connecting rod and a spring. The fixed block is provided with a connecting hole. One end of the spring and the connecting rod are arranged in the connecting hole. The other end of the connecting rod is fixedly connected to the electromagnet. When the electromagnet is activated, the electromagnet is attracted to the pressure top angle steel, and the spring is stretched or compressed. When the electromagnet is turned off, the spring drives the electromagnet to reset. The connecting rod includes an outer sleeve and an inner sleeve. The outer sleeve is a hollow structure. The outer sleeve is sleeved on the outside of the inner sleeve. A plurality of positioning holes are opened on the outer sleeve. The inner sleeve is provided with a spring positioning key. The spring positioning key can be pressed into the inner sleeve when under pressure and pops out when the pressure is removed. By inserting the spring positioning key into different positioning holes, the length of the connecting rod can be adjusted to adapt to different cable trench widths.

2. The fully automatic intelligent drilling device according to claim 1, characterized in that: The lifting assembly includes a top frame, a bottom frame, a lifting guide rail, a lifting platform and a lifting drive component; a plurality of the lifting guide rails are installed between the top frame and the bottom frame, the lifting platform is slidably connected to the lifting guide rails, the lifting platform is used to carry the drilling assembly, and the lifting drive component is used to drive the lifting platform to rise or fall along the lifting guide rails.

3. The fully automatic intelligent drilling device according to claim 2, characterized in that: The lifting drive component is configured as a lifting cylinder and a lifting hydraulic pump. The lifting hydraulic pump is used to drive the lifting cylinder to move. The non-output end of the lifting cylinder is fixedly connected to the top frame, and the output end is connected to the lifting platform.

4. The fully automatic intelligent drilling device according to claim 2, characterized in that: The drilling assembly includes a drilling device, a propulsion drive and a sliding frame; the drilling device is fixedly connected to the sliding frame, the sliding frame is slidably connected to the lifting platform, and the propulsion drive can drive the drilling device to move forward or backward along the drilling direction on the lifting platform.

5. The fully automatic intelligent drilling device according to claim 4, characterized in that: The propulsion drive component is configured as a propulsion cylinder and a propulsion hydraulic pump, the propulsion hydraulic pump is used to drive the propulsion cylinder to move, the lifting platform includes an upper cover plate, a lower cover plate and a side plate, the side plate is arranged between the upper cover plate and the lower cover plate, the non-output end of the propulsion cylinder is fixedly connected to the side plate, and the output end is connected to the sliding frame, and the output end of the lifting drive component is connected to the upper cover plate.

6. The fully automatic intelligent drilling device according to claim 2, characterized in that: The travel mechanism includes a base, rollers, a wheel axle and a travel drive; the base is used to support the wheel axle and the travel drive, and the base can be fixedly connected to the top frame or the bottom frame; the rollers are fixedly connected to both ends of the wheel axle, and the travel drive is used to drive the wheel axle to rotate.

7. The fully automatic intelligent drilling device according to claim 6, characterized in that: The base is fixedly connected to the top frame, the roller can be mounted in the top angle steel, the axle is configured as an adjustable axle, and the length of the adjustable axle is adjustable to adapt to the construction of cable trenches of different widths.

8. The fully automatic intelligent drilling device according to claim 2, characterized in that: It also includes a lifting and ranging component, a stepping and ranging component, a drilling depth ranging component and a control module. The lifting and ranging component is used to measure the distance that the lifting platform rises or falls, the stepping and ranging component is used to measure the distance that the traveling mechanism moves, and the drilling depth ranging component is used to measure the depth of the hole drilled by the drilling component; the control module can control the start or stop of the lifting component, the drilling component and the traveling mechanism according to the set value of the construction personnel and the measurement results of the lifting and ranging component, the stepping and ranging component and the drilling depth ranging component.

9. The fully automatic intelligent drilling device according to claim 1, characterized in that: It also includes a water spraying and dust reduction component, which can spray water during the drilling operation of the cable trench.

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