CN113464204A

CN113464204A - Intelligent safety protection equipment for deep foundation pit operation and safety protection method

Info

Publication number: CN113464204A
Application number: CN202110790953.2A
Authority: CN
Inventors: 陶晓军; 李响; 张锐; 徒有锋; 薛恒嵩; 张玮亚; 马兵; 刘禹; 支恒学; 杨少华
Original assignee: Jiangsu Sudian Industry Management Co ltd; Nanjing Huaqun Energy Group Co ltd; Nanjing Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Current assignee: Jiangsu Sudian Industry Management Co ltd; Nanjing Huaqun Energy Group Co ltd; Nanjing Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-10-01

Abstract

The invention belongs to the technical field of deep foundation pit operation protection equipment, and particularly relates to intelligent safety protection equipment for deep foundation pit operation, which comprises a ventilation mechanism; the shield plate is arranged at the upper part of the ventilation mechanism and used for protecting equipment and personnel at the lower part of the shield plate; the clamping jaw mechanisms are movably connected to the circumference of the ventilation mechanism and inserted into the side wall of the deep foundation pit to fix the safety protection intelligent equipment; the detection mechanism is arranged at the lower part of the ventilation mechanism and is used for detecting parameters such as air, humidity, terrain and the like at the bottom of the deep foundation pit; a traction mechanism; a car. The invention is used for solving the problem that the prior art cannot solve the problem that the falling rocks at the top of the head can not harm workers; the prior art does not consider the problem of how to ensure that the personnel can insist for a longer time to rescue the personnel to be rescued and the like if the personnel are trapped. The invention can ensure the safety of workers going to the deep foundation pit to the maximum extent.

Description

Intelligent safety protection equipment for deep foundation pit operation and safety protection method

Technical Field

The invention belongs to the technical field of deep foundation pit operation protection equipment, and particularly relates to intelligent safety protection equipment and a safety protection method for deep foundation pit operation.

Background

In the pipe jacking work progress, there is personal safety hidden danger in the operation of operation personnel's operation of going into the well, and the deep basal pit pipe jacking operation that goes on under the complicated topography and topography circumstances safety risk is great, and falling rocks or dust appear easily in operation personnel top, and situations such as air turbidity, oxygen deficiency appear easily in the deep basal pit bottom, have seriously threatened operation personnel's life safety.

Generally in deep basal pit push pipe operation, carry out the brick reinforcement to foundation ditch surrounding soil layer and protect, because complicated reasons such as topography and topography, its factor of safety can't be forecasted in the tradition, if meet the change of condition such as weather and can take place the soil layer and subside, warp, extrude, infiltration and even collapse the circumstances such as, the operation personnel also need one set of life to maintain the system, even if dangerous situation has appeared also can guarantee that the operation personnel can insist on the arrival of rescue personnel to obtain bigger chance of rescuing.

Chinese patent publication No. CN104595237B discloses an exhaust device for deep foundation pit operation, which comprises a bottom plate, a blower body arranged on the bottom plate, a detachable air inlet pipe arranged on the blower body, a detachable air outlet pipe arranged on the blower body, one end of the air inlet pipe is provided with at least one blocking component for avoiding the blockage of the air inlet pipe, the air inlet pipe is connected with the blower body through a connector, the middle part of the connector is provided with a first through hole communicated with the blower body, the bottom plate is provided with a rolling device convenient for placing the air outlet pipe, the front end of the connector is provided with a connecting boss matched with the air inlet pipe, the rear end of the connector is provided with a disc matched with the blower body, the disc is provided with at least two installation sheets convenient for disc installation and fixation, and the air outlet pipe is connected with an exhaust pipe convenient for exhaust.

Chinese patent publication No. CN107023175A discloses a deep foundation pit/deep trench collapse prevention operation protection cage, which comprises a rectangular frame, wherein a plurality of positions on the rectangular frame are provided with reinforcing plates, and the rest surfaces of the rectangular frame except the bottom surface are provided with protection nets; one side edge and the top of the rectangular frame are respectively provided with a movable door, the movable door at the side edge is used when an operator normally goes in and out, and the movable door at the top is used for escaping when the collapse height of the deep foundation pit/deep groove is not equal to the height of the protection cage; the corner formed by the crossbeam and the vertical plate of the rectangular frame is provided with an alarm positioning device, the alarm positioning device comprises a protection box, a controller, a power supply module, a wireless communication module and a positioning module are arranged in the protection box, an alarm and a control switch are arranged outside the protection box, a signal input end of the controller is connected with the power supply module, the positioning module and the control switch, and a signal output end of the controller is connected with the wireless communication module and the alarm.

The Chinese patent with the publication number of CN112494842A discloses a deep foundation pit operation rescue system based on the Internet of things, which comprises a wellhead support, a gas detector, a blower, a winch, portable equipment and a safety control device which is in communication connection with the gas detector, the blower, the winch and the portable equipment, wherein the gas detector and the portable equipment send information to the safety control device through a communication module, the safety control device receives the information and controls the work of the blower and the winch through a relay, and the wellhead support is provided with a hanging point of the winch; the portable equipment is provided with an attitude sensor for detecting whether the portable equipment moves, an alarm module for alarming and a winch control module for controlling the movement of the winch; the air outlet of the blower is arranged in the well, the lifting device of the winch is positioned above the well mouth, and a rope of the lifting device can extend into the well bottom after descending; after the safety control device is started, firstly, placing a hoisting machine lifting hook to the bottom of a pit, and automatically recording the descending speed and the pit depth of the hoisting machine; so as to ensure the correct position of the lifting hook when the rescue module is started.

However, the following problems still remain:

the prior art can not completely ensure the personal safety of workers, the workers need to face the top of the head and can fall rocks at any time, and even if the workers wear a safety helmet, the workers are likely to be injured by crashing;

in the prior art, only people in danger are considered to be pulled out of a deep foundation pit, but no consideration is given to how to ensure that the people can persist for a longer time to rescue the people if the people are trapped.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the intelligent safety protection equipment for deep foundation pit operation, which is used for solving the problem that the personal safety of workers cannot be completely ensured in the prior art, the workers need to face the top of the head and can fall rocks at any time, and even if wearing a safety helmet, the workers are likely to be injured by crashing; in the prior art, only people in danger are considered to be pulled out of a deep foundation pit, but no consideration is given to how to ensure that the people can persist for a longer time if the people are trapped so as to rescue the people to be rescued and the like. The invention also provides a method for carrying out safety protection by adopting the intelligent safety protection equipment for deep foundation pit operation, and the safety of workers going to the deep foundation pit can be ensured to the maximum extent by the equipment.

In order to solve the technical problems, the invention adopts the following technical scheme:

deep basal pit operation safety protection smart machine includes:

the ventilation mechanism is used for realizing ventilation;

the shield plate is arranged at the upper part of the ventilation mechanism and used for protecting equipment and personnel at the lower part of the shield plate;

the clamping jaw mechanisms are arranged and movably connected to the circumference of the ventilation mechanism, and can be inserted into the side wall of the deep foundation pit;

the detection mechanism is arranged at the lower part of the ventilation mechanism and is used for detecting air, humidity and topographic parameters at the bottom of the deep foundation pit;

the traction mechanism is connected with the shield plate and can move up and down;

the car, the car can dismantle the connection in ventilation mechanism lower part.

Preferably, the jaw mechanism comprises a jaw plate member and a telescopic mechanism, one end of the jaw plate member is movably connected with the outer circumference of the ventilation mechanism, one end of the telescopic mechanism is hinged with the ventilation mechanism, and the other end of the telescopic mechanism is hinged with the middle part of the jaw plate member;

the claw plate component comprises a claw plate and claw teeth, and the claw teeth are fixedly connected with the outer end of the claw plate.

Preferably, be provided with trachea interface and infrared detector on the shield, the trachea interface is equipped with a plurality ofly, and is a plurality of the trachea interface passes through the pipeline and ventilates the mechanism intercommunication, infrared detector sets up in the shield middle part.

Preferably, the ventilation mechanism comprises a ventilation upper frame, a suspension part fixedly mounted on the upper part of the ventilation upper frame, a ventilation lower frame mounted on the lower part of the ventilation upper frame, a fan blade movably connected to the middle part of the ventilation lower frame, and a ventilation power motor in transmission connection with the fan blade, the ventilation lower frame is provided with a plurality of hinged parts, and the claw plate member is hinged with the ventilation lower frame through the hinged parts.

Preferably, the detection mechanism comprises a housing, a rotating inner cylinder fixedly connected inside the housing, a transparent plate fixedly installed on the outer circumference of the housing, a rotating outer cylinder coaxially and movably connected with the rotating inner cylinder, and a rotating power motor in transmission connection with the rotating outer cylinder, wherein a detection unit is arranged on the rotating outer cylinder.

Preferably, the detection mechanism further comprises an air quality detector, an air ventilation cavity and a humidity sensor, the air ventilation cavity is arranged at the bottom of the shell, an air vent is formed in the bottom of the shell, and the air quality detector and the humidity sensor are fixedly installed inside the shell.

Preferably, the device further comprises a bottom frame, a bottom roller movably connected to the lower part of the bottom frame, a main frame fixedly connected to the upper part of the bottom frame, and a ventilation mechanism mounted on the upper part of the bottom frame, wherein the ventilation mechanism is communicated with the ventilation cavity of the detection mechanism through a pipeline.

Preferably, the ventilation mechanism comprises a fan, a beam collector arranged on the side of the fan and a comprehensive cable movably connected with the beam collector, a splitter and an air pipe are arranged at the bottom of the comprehensive cable, the splitter is communicated with the fan through the comprehensive cable, the splitter is communicated with an air pipe connector through the air pipe, and the ventilation mechanism conveys fresh air to the deep foundation pit through the fan.

Preferably, the main frame body comprises a roller support, a first roller fixedly mounted on the upper part of the roller support, a first roller coaxially and movably connected with the first roller, a telescopic rod with one end fixedly connected with the side part of the roller support, a second roller coaxially and movably connected with the other end of the telescopic rod, and a cable with one end in transmission connection with the first roller, wherein the other end of the cable is connected with the suspension part, the cable is erected on the second roller, and the cable is in rolling connection with the second roller;

the roller bracket is also provided with a power supply and a control box.

The method for carrying out safety protection by adopting the intelligent safety protection equipment for deep foundation pit operation comprises the following steps:

s1, anchoring a shield plate, namely, feeding the shield plate, a jaw mechanism, a ventilation mechanism and a lift car into a well together, starting the jaw mechanism after reaching a preset position, inserting the jaw mechanism into a well wall to anchor the jaw mechanism and the well wall, and randomly anchoring the shield plate on the upper part of the jaw mechanism to prevent falling rocks on the upper part of the shield plate from smashing towards the lower part of the shield plate;

s2, supplying oxygen, wherein when workers fall into the well, the air quality detector can detect the oxygen content in the air, when the detected oxygen content is too low, the fan is started to supply air to the bottom of the well, the fan pumps fresh air into the ventilation cavity, and meanwhile, the ventilation mechanism on the upper portion of the ventilation cavity is started, and dirty air is blown to the outside of the well through the fan blades.

Compared with the prior art, the invention has the following beneficial effects:

the invention provides intelligent safety protection equipment for deep foundation pit operation, which can ensure the safety of workers going to a deep foundation pit to the maximum extent.

The shield plate is used for shielding falling rocks falling above a well, the personal safety of workers is protected, after the ventilation mechanism is started, dirty air in the well is discharged out of the well, the ventilation cavity arranged by the detection mechanism is matched, so that the whole well forms an air circulation system, the air quality at the bottom of the well is ensured, the jaw mechanism is used for anchoring the equipment, after the equipment is lowered to a proper height, the jaw mechanism is started, the jaw mechanism is clamped with the inner wall of the well, the whole equipment can be stably fixed on the inner wall of the well, even if a collapse occurs, the equipment can disperse supporting force on the wall of the well, support the collapsed falling rocks and soil in the well, a cavity is left at the bottom of the equipment, and meanwhile, the detection mechanism can convey air to the bottom of the well after the collapse, even if the air conveying pipeline is cut off or blocked, the ventilation cannot be carried out, the chamber not only can provide certain living space for the working personnel, but also can strive for living time for the working personnel by the air in the chamber to wait for the arrival of rescue personnel.

When the claw mechanism is started, the telescopic mechanism supports the claw plate component to scatter towards the circumferential direction of the claw mechanism, so that the claw plate component is inserted into earth and stones on the wall of a well, the claw plate component is anchored, the claw plate component is prevented from falling, the claw plate component is more stable, and most importantly, the injury to workers caused by collapse is resisted. The shield plate is used for resisting stones and soil falling from the upper portion of the well, and can form an accommodating cavity at the bottom of the well for workers when collapse occurs, the workers can safely wait for rescue in the cavity, the air pipe connector is communicated with the well opening, and dirty air in the well is discharged.

The detection unit arranged in the detection mechanism is provided with the camera and the infrared sensor, so that the environmental condition at the bottom of the well can be fully detected, the detection unit can be used as initial detection equipment to enter the bottom of the well, whether the working environment at the bottom of the well is suitable for personnel to work or not is detected, then the personnel are sent to the bottom of the well, the dangerous conditions such as syncope or suffocation of the personnel at the bottom of the well due to air quality are avoided, meanwhile, the camera and the infrared sensor can do circular motion on the rotary inner cylinder, the environmental condition at the bottom of the well is scanned, a specific well image is formed, and the specific well image is sent back to the control box at the well head. The width of underframe is greater than the diameter of well wherein for the distance of two adjacent bottom gyro wheels is greater than the well diameter, can pass through from the well mouth smoothly, and put down mechanism such as shield, jack catch mechanism and ventilation mechanism smoothly at the well mouth, ventilation mechanism can be to the interior air delivery of well, also can take out the well with the dirty air in the well, guarantees the good of well air condition.

Drawings

FIG. 1 is a schematic view of an installation structure of an embodiment of a deep foundation pit operation safety protection intelligent device of the invention;

FIG. 2 is a schematic perspective view of a partial structure of an embodiment of the intelligent safety protection device for deep foundation pit operation according to the present invention;

FIG. 3 is a schematic diagram of the exploded structure of FIG. 2;

FIG. 4 is a side view of the structure of FIG. 2;

FIG. 5 is a schematic perspective view of a jaw mechanism in an embodiment of the intelligent safety protection device for deep foundation pit operation according to the invention;

FIG. 6 is a schematic top view of a jaw mechanism in an embodiment of the intelligent safety protection device for deep foundation pit operation according to the present invention;

FIG. 7 is a schematic cross-sectional structural view of a detection mechanism in an embodiment of the intelligent safety protection device for deep foundation pit operation according to the invention;

reference numerals referred to in the drawings are:

a shield plate 11, a trachea interface 110, an infrared detector 111,

The jaw mechanism 12, the jaw plate member 121, the jaw plate 1210, the jaw teeth 1211, the telescopic mechanism 122,

A ventilation mechanism 13, a ventilation upper frame 131, a suspension 132, a ventilation lower frame 133, a hinge 1330, fan blades 134, a ventilation power motor 135,

A car 14,

A detection mechanism 15, a shell 150, a transparent plate 151, a rotary outer cylinder 152, a detection unit 1520, a rotary inner cylinder 153, a rotary power motor 154, an air quality detector 155, a ventilation cavity 156, a humidity sensor 157,

A bottom frame 21, a bottom roller 22,

A ventilation mechanism 23, a blower 231, a beam-collecting device 232, an integrated cable 233, a flow divider 2330, an air pipe 2331,

The main frame 24, the roller bracket 241, the first roller 242, the first roller 243, the telescopic rod 244, the second roller 245, the cable 246, the power supply 25 and the control box 26.

Detailed Description

In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 to 7, the intelligent safety protection device for deep foundation pit operation of the present invention comprises:

the ventilation mechanism 13 is used for realizing ventilation and air exchange;

the shield plate 11 is arranged on the upper part of the ventilation mechanism 13 and used for protecting equipment and personnel on the lower part of the shield plate 11;

the clamping jaw mechanisms 12 are arranged, the plurality of clamping jaw mechanisms 12 are movably connected to the circumference of the ventilation mechanism 13, and the clamping jaw mechanisms 12 can be inserted into the side wall of the deep foundation pit;

the detection mechanism 15 is arranged at the lower part of the ventilation mechanism 13, and the detection mechanism 15 is used for detecting air, humidity and topographic parameters at the bottom of the deep foundation pit;

the traction mechanism is connected with the shield plate 11 and realizes up-and-down movement;

a cage 14, wherein the cage 14 is detachably connected with the lower part of the ventilation mechanism 13.

The shield plate 11 in this embodiment is used for shielding falling rocks falling above the hoistway, protecting the personal safety of workers, after the ventilation mechanism 13 is started, dirty air in the hoistway is discharged out of the hoistway, the ventilation cavity 156 arranged by the detection mechanism 15 is matched to enable the whole hoistway to form an air circulation system, so as to ensure the air quality at the bottom of the hoistway, the jaw mechanism 12 is used for anchoring the equipment, after the equipment is lowered to a proper height, the jaw mechanism 12 is started, so that the jaw mechanism 12 is clamped with the inner wall of the hoistway, the whole equipment is firmly fixed on the inner wall of the hoistway, even if a collapse occurs, the equipment can disperse supporting force on the wall of the hoistway, support the falling rocks and soil collapsing in the hoistway, a cavity is left at the bottom of the equipment, meanwhile, the detection mechanism can convey air to the bottom of the hoistway after the collapse, even if the air conveying pipeline is cut off or blocked, and can not ventilate, this cavity can not only provide certain living space for the staff, and its inside air also can strive for the time of survival for the staff moreover, waits for the arrival of rescue personnel.

As shown in fig. 5, the jaw mechanism 12 includes a jaw plate member 121 and a telescopic mechanism 122, one end of the jaw plate member 121 is movably connected with the outer circumference of the ventilation mechanism 13, one end of the telescopic mechanism 122 is hinged with the ventilation mechanism 13, and the other end of the telescopic mechanism 122 is hinged with the middle of the jaw plate member 121;

the claw plate member 121 includes a claw plate 1210 and claw teeth 1211, and the claw teeth 1211 are fixedly connected to an outer end of the claw plate 1210.

When the jaw mechanism 12 is activated, the retractable mechanism 122 supports the claw plate member 121 to be spread toward the circumferential direction of the jaw mechanism 12, so that the claw plate member 121 is inserted into earth and stones on the wall of the well, anchors the claw plate member 121, prevents the claw plate member 121 from falling, is more stable, and most importantly, resists the injury of workers caused by collapse.

As shown in fig. 3, a plurality of air pipe interfaces 110 and infrared detectors 111 are arranged on the shield plate 11, the plurality of air pipe interfaces 110 are communicated with the ventilation mechanism 13 through pipelines, and the infrared detectors 111 are arranged in the middle of the shield plate 11.

The ventilation mechanism 13 includes a ventilation upper frame 131, a suspension member 132 fixedly mounted on the upper portion of the ventilation upper frame 131, a ventilation lower frame 133 mounted on the lower portion of the ventilation upper frame 131, a fan blade 134 movably connected to the middle portion of the ventilation lower frame 133, and a ventilation power motor 135 in transmission connection with the fan blade 134, wherein the ventilation lower frame 133 is provided with a plurality of hinge portions 1330, and the claw plate member 121 is hinged to the ventilation lower frame 133 through the hinge portions 1330.

The shield plate 11 is used for resisting stones and soil falling from the upper portion of the well, and can form an accommodating chamber at the bottom of the well for workers when collapse occurs, the workers can safely wait for rescue in the chamber, the air pipe interface 110 is communicated with the well opening, and dirty air in the well is discharged.

As shown in fig. 7, the detecting mechanism 15 includes a housing 150, a rotary inner cylinder 153 fixedly connected to the inside of the housing 150, a transparent plate 151 fixedly installed on the outer circumference of the housing 150, a rotary outer cylinder 152 coaxially and movably connected to the rotary inner cylinder 153, and a rotary power motor 154 in transmission connection with the rotary outer cylinder 152, wherein a detecting unit 1520 is disposed on the rotary outer cylinder 152.

The detection mechanism 15 further includes an air quality detector 155, a ventilation cavity 156 and a humidity sensor 157, the ventilation cavity 156 is disposed at the bottom of the casing 150, the bottom of the casing 150 is provided with a ventilation hole, and the air quality detector 155 and the humidity sensor 157 are fixedly mounted inside the casing 150.

There are camera and infrared ray sensor among the detection unit 1520 that detection mechanism 15 set up wherein, can fully survey the environmental aspect of well bottom, can get into the well bottom as the equipment of exploring just, whether the operational environment who detects the well bottom is fit for personnel's work, send into the well bottom with the staff again, in order to avoid because of the reason of air quality leads to the staff to appear syncope or dangerous condition such as stifling in the well bottom, camera and infrared ray sensor can be circular motion on rotatory inner tube 153 simultaneously, scan the environmental aspect of well bottom, and form specific well image, return to in the control box 26 of well mouth.

As shown in fig. 1, the device further includes a bottom frame 21, a bottom roller 22 movably connected to a lower portion of the bottom frame 21, a main frame 24 fixedly connected to an upper portion of the bottom frame 21, and a ventilation mechanism 23 installed on an upper portion of the bottom frame 21, wherein the ventilation mechanism 23 is communicated with a ventilation cavity 156 of the detection mechanism 15 through a duct.

The width of the bottom frame 21 is larger than the diameter of the shaft, so that the distance between two adjacent bottom rollers 22 is larger than the diameter of the shaft, the two adjacent bottom rollers can smoothly pass through the shaft opening, mechanisms such as the shield plate 11, the jaw mechanism 12 and the ventilation mechanism 13 are smoothly put down at the shaft opening, the ventilation mechanism 23 can convey air into the shaft, dirty air in the shaft can also be pumped out of the shaft, and the good air state of the shaft is ensured.

Example two

As a further improvement of the previous embodiment, as shown in fig. 1 to 7, the intelligent safety protection device for deep foundation pit operation of the present invention includes:

The ventilation mechanism 23 comprises a fan 231, a beam-collecting device 232 mounted on the side of the fan 231, and a comprehensive cable 233 movably connected with the beam-collecting device 232, the bottom of the comprehensive cable 233 is provided with a flow divider 2330 and an air pipe 2331, the flow divider 2330 is communicated with the fan 231 through the comprehensive cable 233, the flow divider 2330 is communicated with the air pipe interface 110 through the air pipe 2331, and the ventilation mechanism 23 delivers fresh air to the deep foundation pit through the fan 231.

The beam-collecting device 232 arranged on the ventilation mechanism 23 can be matched with the operation of equipment to put the comprehensive cable 233 into a well or collect the comprehensive cable 233 from the well, the beam-collecting device 232 can be provided with a motor, the winding and unwinding action of the comprehensive cable 233 is realized through the motor, when the motor rotates forwards, the comprehensive cable 233 is wound up, when the motor rotates backwards, the comprehensive cable 233 falls downwards from the beam-collecting device 232 due to gravity, when the cable is wound up, the winding up is more compact due to the gravity action of the comprehensive cable 233, the comprehensive cable 233 is provided with an air inlet pipeline, an air outlet pipeline and electric wires to provide power for the equipment at the bottom of the well and an air guide channel for air inlet and outlet at the bottom of the well, the air pipeline, the air outlet pipeline and the electric wires arranged inside the comprehensive cable 233 are further wrapped with support pipes with the length of 5cm outside the comprehensive cable 233, the arrangement distance of the support pipes is the wall thickness of the support pipes, and the comprehensive cable 233 can be supported by the support pipes, the integrated cable 233 is prevented from being compressed by falling rocks, resulting in an aeration-disabled condition.

The main frame 24 comprises a roller bracket 241, a first roller 242 fixedly mounted on the upper part of the roller bracket 241, a first roller 243 coaxially and movably connected with the first roller 242, an expansion rod 244 with one end fixedly connected with the side part of the roller bracket 241, a second roller 245 coaxially and movably connected with the other end of the expansion rod 244, and a cable 246 with one end in transmission connection with the first roller 243, wherein the other end of the cable 246 is connected with the suspension member 132, the cable 246 is lapped on the second roller 245, and the cable 246 is in rolling connection with the second roller 245;

the roller bracket 241 is also mounted with a power supply 25 and a control box 26.

The first roller 243 is provided with a traction motor, the traction motor is in transmission connection with the first roller 243, so that the shield plate 11, the jaw mechanism 12, the ventilation mechanism 13 and other mechanisms can move up and down in the hoistway, meanwhile, the cable 246 is lapped on the second roller 245, the second roller 245 can act on the telescopic rod 244 to adjust the distance between the second roller 245 and the roller support 241, and the device can ensure that the tensile force of the cable 246 is perpendicular to the shield plate 11, the jaw mechanism 12, the ventilation mechanism 13 and other mechanisms.

The advantages of the second embodiment over the first embodiment are:

the cable collecting device arranged on the ventilation mechanism of the second embodiment of the invention can be matched with the operation of equipment to put the comprehensive cable into a well or collect the comprehensive cable from the well, the cable collecting device is provided with a motor, the winding and unwinding action of the comprehensive cable is realized through the motor, when the motor rotates forwards, the comprehensive cable is collected, when the motor rotates backwards, the comprehensive cable falls downwards from the cable collecting device due to gravity, when the cable is collected, the cable collecting is more compact due to the gravity action of the comprehensive cable, the comprehensive cable is provided with an air inlet pipeline, an air outlet pipeline and electric wires to provide electric power for the equipment at the bottom of the well and an air guide channel for air inlet and outlet at the bottom of the well, the air inlet pipeline, the air outlet pipeline and the electric wires arranged inside the comprehensive cable are wrapped with 5cm long support pipes, the arrangement distance of the support pipes is the wall thickness of the support pipes, and the support pipes can support the comprehensive cable, prevent that the comprehensive cable from being compressed tightly by the falling rocks, resulting in the situation that can not ventilate to take place.

The first idler wheel is provided with a traction motor, the traction motor is in transmission connection with the first idler wheel, so that the shield plate, the clamping jaw mechanism, the ventilation mechanism and other mechanisms can move up and down in a well, meanwhile, the cable rope is put on the second idler wheel, the second idler wheel can act on the telescopic rod to adjust the distance of the second idler wheel relative to the idler wheel support, and the device can be guaranteed to enable the tension of the cable rope to be perpendicular to the shield plate, the clamping jaw mechanism, the ventilation mechanism and other mechanisms.

The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.

Claims

1. Deep basal pit operation safety protection smart machine, its characterized in that includes:

a ventilation mechanism (13), wherein the ventilation mechanism (13) is used for realizing ventilation and air exchange;

the shield plate (11) is arranged at the upper part of the ventilation mechanism (13) and is used for protecting equipment and personnel at the lower part of the shield plate (11);

the clamping jaw mechanisms (12) are arranged, the clamping jaw mechanisms (12) are movably connected to the circumference of the ventilation mechanism (13), and the clamping jaw mechanisms (12) can be inserted into the side wall of the deep foundation pit;

the detection mechanism (15), the detection mechanism (15) is arranged at the lower part of the ventilation mechanism (13), and the detection mechanism (15) is used for detecting air, humidity and topographic parameters at the bottom of the deep foundation pit;

the traction mechanism is connected with the shield plate (11) and can move up and down;

the car (14), car (14) can dismantle the connection and construct (13) lower part in the ventilation mechanism.

2. The deep foundation pit operation safety protection smart machine of claim 1, wherein: the jaw mechanism (12) comprises a jaw plate member (121) and a telescopic mechanism (122), one end of the jaw plate member (121) is movably connected with the outer circumference of the ventilation mechanism (13), one end of the telescopic mechanism (122) is hinged with the ventilation mechanism (13), and the other end of the telescopic mechanism (122) is hinged with the middle part of the jaw plate member (121);

the claw plate member (121) comprises a claw plate (1210) and claw teeth (1211), and the claw teeth (1211) are fixedly connected with the outer end of the claw plate (1210).

3. The deep foundation pit operation safety protection smart machine of claim 2, wherein: be provided with trachea interface (110) and infrared detector (111) on shield board (11), trachea interface (110) are equipped with a plurality ofly, and are a plurality of trachea interface (110) pass through pipeline and ventilation mechanism (13) intercommunication, infrared detector (111) set up in shield board (11) middle part.

4. The deep foundation pit operation safety protection smart machine of claim 3, wherein: the ventilation mechanism (13) comprises a ventilation upper frame (131), a suspension piece (132) fixedly mounted on the upper portion of the ventilation upper frame (131), a ventilation lower frame (133) mounted on the lower portion of the ventilation upper frame (131), fan blades (134) movably connected to the middle of the ventilation lower frame (133) and a ventilation power motor (135) in transmission connection with the fan blades (134), the ventilation lower frame (133) is provided with a plurality of hinge portions (1330), and the claw plate member (121) is hinged to the ventilation lower frame (133) through the hinge portions (1330).

5. The deep foundation pit operation safety protection smart machine of claim 4, wherein: the detection mechanism (15) comprises a shell (150), a rotary inner cylinder (153) fixedly connected to the inside of the shell (150), a transparent plate (151) fixedly installed on the outer circumference of the shell (150), a rotary outer cylinder (152) coaxially and movably connected to the rotary inner cylinder (153) and a rotary power motor (154) in transmission connection with the rotary outer cylinder (152), wherein a detection unit (1520) is arranged on the rotary outer cylinder (152).

6. The deep foundation pit operation safety protection smart machine of claim 5, wherein: the detection mechanism (15) further comprises an air quality detector (155), a ventilation cavity (156) and a humidity sensor (157), the ventilation cavity (156) is arranged at the bottom of the shell (150), a ventilation hole is formed in the bottom of the shell (150), and the air quality detector (155) and the humidity sensor (157) are fixedly installed inside the shell (150).

7. The deep foundation pit operation safety protection smart machine of claim 6, wherein: the device is characterized by further comprising a bottom frame (21), a bottom roller (22) movably connected to the lower portion of the bottom frame (21), a main frame body (24) fixedly connected to the upper portion of the bottom frame (21) and a ventilation mechanism (23) installed on the upper portion of the bottom frame (21), wherein the ventilation mechanism (23) is communicated with a ventilation cavity (156) of the detection mechanism (15) through a pipeline.

8. The deep foundation pit operation safety protection smart machine of claim 7, wherein: the ventilation mechanism (23) comprises a fan (231), a beam-collecting device (232) arranged on the side of the fan (231), and a comprehensive cable (233) movably connected with the beam-collecting device (232), wherein a flow divider (2330) and an air pipe (2331) are arranged at the bottom of the comprehensive cable (233), the flow divider (2330) is communicated with the fan (231) through the comprehensive cable (233), the flow divider (2330) is communicated with the air pipe interface (110) through the air pipe (2331), and the ventilation mechanism (23) conveys fresh air to the deep foundation pit through the fan (231).

9. The deep foundation pit operation safety protection smart machine of claim 8, wherein: the main frame body (24) comprises a roller bracket (241), a first roller (242) fixedly mounted on the upper part of the roller bracket (241), a first roller (243) coaxially and movably connected with the first roller (242), an expansion rod (244) with one end fixedly connected with the side part of the roller bracket (241), a second roller (245) coaxially and movably connected with the other end of the expansion rod (244), and a cable (246) with one end in transmission connection with the first roller (243), wherein the other end of the cable (246) is connected with the suspension piece (132), the cable (246) is erected on the second roller (245), and the cable (246) is in rolling connection with the second roller (245);

and a power supply (25) and a control box (26) are also arranged on the roller bracket (241).

10. The method for carrying out safety protection by adopting the intelligent safety protection equipment for the deep foundation pit operation according to claim 9, is characterized in that: