CN113464204B - Intelligent safety protection equipment and safety protection method for deep foundation pit operation - Google Patents

Abstract

The invention belongs to the technical field of deep foundation pit operation protection equipment, and particularly relates to deep foundation pit operation safety protection intelligent equipment, which comprises a ventilation mechanism; the shield plate is arranged on the upper part of the ventilation mechanism and is used for protecting equipment and personnel at the lower part of the shield plate; the clamping jaw mechanisms are provided with a plurality of clamping jaw mechanisms, the clamping jaw mechanisms are movably connected to the circumference of the ventilation mechanism, and the clamping jaw mechanisms are inserted into the side wall of the deep foundation pit and used for fixing the intelligent safety protection 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; and a car. The invention is used for solving the problem that the prior art cannot solve the damage of head falling rocks to staff; the prior art does not consider the problems of how to ensure that people can stay for a longer time to rescue the rescue staff if people are trapped. The invention can ensure the maximum safety of the staff descending into the deep foundation pit.

Description

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

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 construction process, personal safety hidden danger exists in the operation of descending the well of operators, and safety risks are large in the deep foundation pit pipe jacking operation performed under the condition of complex topography and landform, falling rocks or dust easily occur on the top of the operators, and conditions such as air turbidity and oxygen deficiency easily occur at the bottom of the deep foundation pit, so that the life safety of the operators is seriously threatened.

In the deep foundation pit jacking operation, the soil layer around the foundation pit is subjected to bricking reinforcement for protection, the safety coefficient of the deep foundation pit cannot be predicted conventionally due to complex reasons such as topography and topography, the conditions such as soil layer settlement, deformation, extrusion, water seepage and even collapse can occur if the conditions such as weather are changed, and an operator needs a set of life maintenance system, so that the operator can be guaranteed to stand for rescue workers even if dangerous conditions occur, and a larger rescue opportunity is obtained.

The chinese patent with publication number CN104595237B discloses an exhaust device for deep foundation pit operation, including the bottom plate, set up the air-blower body on the bottom plate, set up detachable intake pipe on the air-blower body, set up detachable outlet duct on the air-blower body, the one end of intake pipe is equipped with at least one separation subassembly that avoids the intake pipe to block up, the intake pipe passes through the connector and links to each other with the air-blower body, the middle part of connector is equipped with the communicating first through-hole of air-blower body, be equipped with a coiling mechanism of being convenient for the outlet duct to place on the bottom plate, the front end of connector is equipped with and intake pipe matched with connection boss, the rear end of connector is equipped with the disc with the air-blower body matched with, be equipped with two piece at least disk installation fixed mounting pieces of being convenient for, be connected with a exhaust pipe of being convenient for on the outlet duct.

The Chinese patent with publication number CN107023175A discloses a deep pit/deep groove collapse prevention operation protection cage, which comprises a rectangular frame, wherein reinforcing plates are arranged at a plurality of positions on the rectangular frame, and protection nets are arranged on all the other surfaces except the bottom surface of the rectangular frame; one side and the top of the rectangular frame are respectively provided with a movable door, the side movable doors are used when operators normally enter and exit, and the top movable door is used for escaping when the collapse height of the deep pit/deep trench is not up to the height of the protection cage; the alarm positioning device comprises a protection box, a controller, a power 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 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 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 a gesture sensor for detecting whether the portable equipment moves, an alarm module for alarming and a winch control module for controlling the action of the winch; the air outlet of the blower is arranged in the well, the lifting device of the winch is arranged 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 lifting hook of a winch at the pit bottom, and automatically recording the descending speed of the winch and the pit depth; so as to ensure the correct position of the lifting hook when the rescue module is started.

The following problems remain:

The prior art cannot completely ensure the personal safety of the staff, the staff needs to face the head to fall off stones at any time, and even if the safety helmet is worn, the staff is likely to be injured by smash;

The prior art only considers that the dangerous personnel are pulled out of the deep foundation pit, but does not consider how to ensure that the personnel can stay for a longer time to rescue the personnel to be rescued if the personnel are trapped.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides intelligent safety protection equipment for deep foundation pit operation, which is used for solving the problems that the prior art cannot completely ensure the personal safety of staff, the staff needs to face the top of the head to fall off at any time, and even if a safety helmet is worn, the staff is likely to be injured by crashing; the prior art only considers that the dangerous personnel are pulled out of the deep foundation pit, but does not consider how to ensure that the personnel can stay for a longer time after the personnel are trapped so as to solve the problems of rescue of the rescue personnel and the like. The invention also provides a safety protection method by adopting the intelligent safety protection equipment for deep foundation pit operation, and the equipment can ensure the maximum safety of workers descending into the deep foundation pit.

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

the clamping jaw mechanisms are provided with a plurality of clamping jaw mechanisms, the clamping jaw mechanisms are movably connected to the circumference of the ventilation mechanism, and the clamping jaw mechanisms 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 topography parameters at the bottom of the deep foundation pit;

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

And the car is detachably connected to the lower part of the ventilation mechanism.

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

the claw plate component comprises a claw plate and claw teeth, and the claw teeth are fixedly connected with the outer ends 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 pipeline and ventilation mechanism intercommunication, infrared detector sets up in the shield middle part.

Preferably, the ventilation mechanism comprises a ventilation upper frame, a suspension piece fixedly installed on the upper part of the ventilation upper frame, a ventilation lower frame installed 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, wherein the ventilation lower frame is provided with a plurality of hinge parts, and the claw plate member is hinged with the ventilation lower frame through the hinge parts.

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

Preferably, the detection mechanism further comprises an air quality detector, a ventilation cavity and a humidity sensor, wherein the ventilation cavity is arranged at the bottom of the shell, a ventilation hole 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 portion of the bottom frame, a main frame fixedly connected to the upper portion of the bottom frame and a ventilation mechanism arranged on the upper portion of the bottom frame, wherein the ventilation mechanism is communicated with a ventilation cavity of the detection mechanism through a pipeline.

Preferably, the ventilation mechanism comprises a fan, a beam-gathering device arranged on the side part of the fan, and a comprehensive cable movably connected with the beam-gathering device, wherein a shunt and an air pipe are arranged at the bottom of the comprehensive cable, the shunt is communicated with the fan through the comprehensive cable, the shunt is communicated with an air pipe interface through the air pipe, and the ventilation mechanism conveys fresh air to a deep foundation pit through the fan.

Preferably, the main frame body comprises a roller bracket, a first roller fixedly arranged at the upper part of the roller bracket, 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 bracket, 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 a suspension piece, the cable is arranged 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 claw mechanism, a ventilation mechanism and a lift car into a well, starting the claw mechanism after the lift car reaches a preset position, inserting a claw plate member into the well wall by the claw mechanism to anchor the claw mechanism and the well wall, and randomly anchoring the shield plate at the upper part of the claw mechanism to prevent falling rocks at the upper part of the shield plate from smashing to the lower part of the shield plate;

S2, in the step of oxygen supply, when a worker goes down into a well, an air quality detector of the air quality detector detects the oxygen content in the air, when the oxygen content is detected to be too low, a fan is started to supply air to the bottom of the well, fresh air is pumped into a ventilation cavity by the fan, and meanwhile, a ventilation mechanism on the upper part of the ventilation cavity is started, and dirty air is blown out of the well through a fan blade.

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

the invention provides intelligent safety protection equipment for deep foundation pit operation, and the equipment can ensure the maximum safety of workers descending into a deep foundation pit.

The shield plate is used for shielding falling rocks above a well to protect personal safety of workers, after the ventilation mechanism is started, dirty air of the well is discharged out of the well, the ventilation cavity is matched with the detection mechanism, so that an air circulation system is formed in the whole well to ensure air quality at the bottom of the well, the claw mechanism is used for anchoring equipment, after the equipment descends to a proper height, the claw mechanism is started to clamp the inner wall of the well, the whole equipment is firmly fixed on the inner wall of the well, even if collapse occurs, the equipment can disperse supporting force on the wall of the well to support the falling rocks and soil of the well, a cavity is reserved at the bottom of the equipment, and meanwhile, the detection mechanism can convey air to the bottom of the well after collapse, even if the air transmission pipeline is cut off or blocked, the cavity cannot be ventilated, a certain living space can be provided for workers, and the air in the cavity can also fight for the workers for survival time, and wait for the arrival of rescue workers.

When the claw mechanism is started, the telescopic mechanism supports the claw plate member to scatter towards the circumferential direction of the claw mechanism, so that the claw plate member is inserted into earth and stones in the well wall, the claw plate member is anchored, the claw plate member is prevented from falling, the claw plate member is more stable, and most importantly, the damage 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 a containing cavity at the bottom of the well for workers when collapse occurs, the workers can safely wait for rescue in the cavity, and the air pipe connector is connected with the well mouth to discharge dirty air of the well.

The detection unit arranged in the detection mechanism is provided with the camera and the infrared sensor, so that the environment condition of the bottom of the well can be fully detected, the detection mechanism can be used as primary detection equipment to enter the bottom of the well, whether the working environment of the bottom of the well is suitable for personnel to work or not is detected, and then workers are sent into the bottom of the well, so that dangerous conditions such as syncope or asphyxia and the like of the workers at the bottom of the well caused by air quality are avoided, meanwhile, the camera and the infrared sensor can do circular motion on the rotary inner cylinder, the environment condition of the bottom of the well is scanned, a specific well image is formed, and the specific well image is transmitted back to the control box of the wellhead. The width of the bottom frame is larger than the diameter of the well, so that the distance between two adjacent bottom rollers is larger than the diameter of the well, the two adjacent bottom rollers can smoothly pass through the well, a shield plate, a claw mechanism, a ventilation mechanism and other mechanisms can be smoothly put down at the well, the ventilation mechanism can convey air into the well, dirty air in the well can be pumped out of the well, and the well air state of the well is guaranteed.

Drawings

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

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

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

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

Fig. 5 is a schematic diagram of a perspective structure of a claw mechanism in an embodiment of the intelligent safety protection device for deep foundation pit operation of the present invention;

Fig. 6 is a schematic top view of a jack catch mechanism in an embodiment of the intelligent safety protection device for deep foundation pit operation of the present invention;

FIG. 7 is a schematic diagram of a cross-sectional structure of a detection mechanism in an embodiment of the intelligent safety protection device for deep foundation pit operation of the present invention;

Reference numerals referred to in the drawings are:

Shield plate 11, air pipe interface 110, infrared detector 111,

Jaw mechanism 12, jaw plate member 121, jaw plate 1210, jaw teeth 1211, telescoping mechanism 122,

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

A car 14,

The detecting mechanism 15, the housing 150, the transparent plate 151, the rotary outer cylinder 152, the detecting unit 1520, the rotary inner cylinder 153, the rotary power motor 154, the air quality detector 155, the ventilation cavity 156, the humidity sensor 157,

A bottom frame 21, a bottom roller 22,

A ventilation mechanism 23, a fan 231, a beam-gathering device 232, a comprehensive cable 233, a splitter 2330, an air pipe 2331, a fan,

The main frame 24, the roller support 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 will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated 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 numbers in the drawings of embodiments of the 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. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present invention, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

Example 1

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

A ventilation mechanism 13, wherein the ventilation mechanism 13 is used for realizing ventilation;

the shield plate 11, the shield plate 11 is installed on the upper part of the ventilation mechanism 13, and is used for protecting equipment and personnel on 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 is arranged at the lower part of the ventilation mechanism 13, and the detection mechanism 15 is used for detecting air, humidity and topography parameters at the bottom of the deep foundation pit;

The traction mechanism is connected with the shield plate 11 and moves up and down;

Car 14. Car 14 is detachably connected to the lower part of ventilation mechanism 13.

The shield plate 11 in this embodiment is used for shielding falling rocks above a hoistway, personal safety of staff is protected, after the ventilation mechanism 13 is started, dirty air in the hoistway is discharged to the outside of the hoistway, the ventilation cavity 156 arranged in cooperation with the detection mechanism 15 is used for enabling the whole hoistway to form an air circulation system, air quality at the bottom of the hoistway is guaranteed, the claw mechanism 12 is used for anchoring the equipment, after the equipment descends to a proper height, the claw mechanism 12 is started, the claw 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 collapse occurs, the equipment can also disperse supporting force on the wall of the hoistway, support the falling rocks and soil of the hoistway, a cavity is reserved at the bottom of the equipment, and meanwhile, the detection mechanism can convey air to the bottom of the hoistway after the collapse, even if the air transmission pipeline is cut off or blocked, the cavity can not only provide a certain survival space for the staff, but also can obtain survival time for the staff, and the inner air can fight for the staff, and the staff can wait for the arrival of rescue staff.

As shown in fig. 5, the claw mechanism 12 comprises a claw plate member 121 and a telescopic mechanism 122, one end of the claw 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 claw plate member 121;

The claw plate member 121 includes a claw plate 1210 and claw teeth 1211, and the claw teeth 1211 are fixedly coupled to the outer ends of the claw plate 1210.

When the claw mechanism 12 is started, the telescopic mechanism 122 supports the claw plate member 121 to scatter towards the circumferential direction of the claw mechanism 12, so that the claw plate member 121 is inserted into earth and stones in the well wall, the claw plate member 121 is anchored, the claw plate member 121 is prevented from falling, the claw plate member 121 is more stable, and most importantly, the damage to workers caused by collapse is resisted.

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

The ventilation mechanism 13 comprises a ventilation upper frame 131, a suspension 132 fixedly installed on the upper portion of the ventilation upper frame 131, a ventilation lower frame 133 installed 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 with 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 a well, and can form a containing cavity at the bottom of the well for workers when collapse occurs, the workers can safely wait for rescue in the cavity, and the air pipe interface 110 is communicated with the well mouth to discharge dirty air of the well.

As shown in fig. 7, the detection 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 mounted on the outer circumference of the housing 150, a rotary outer cylinder 152 coaxially movably connected to the rotary inner cylinder 153, and a rotary power motor 154 in transmission connection with the rotary outer cylinder 152, and a detection unit 1520 is provided on the rotary outer cylinder 152.

The detecting mechanism 15 further comprises an air quality detector 155, a ventilation cavity 156 and a humidity sensor 157, wherein the ventilation cavity 156 is arranged at the bottom of the housing 150, a ventilation hole is arranged at the bottom of the housing 150, and the air quality detector 155 and the humidity sensor 157 are fixedly arranged inside the housing 150.

The detecting unit 1520 arranged by the detecting mechanism 15 is provided with a camera and an infrared sensor, so that the environment condition at the bottom of a well can be sufficiently detected, the detecting device can be used as primary detecting equipment to enter the bottom of the well, the working environment at the bottom of the well is detected to be suitable for personnel to work, and then workers are sent into the bottom of the well, so that dangerous conditions such as syncope or asphyxia and the like of the workers at the bottom of the well are avoided due to air quality, and meanwhile, the camera and the infrared sensor can do circular motion on the rotary inner cylinder 153, scan the environment condition at the bottom of the well, form specific well images and transmit the specific well images back to the control box 26 at the well mouth.

As shown in fig. 1, the device further comprises a bottom frame 21, a bottom roller 22 movably connected to the lower part of the bottom frame 21, a main frame 24 fixedly connected to the upper part of the bottom frame 21, and a ventilation mechanism 23 mounted on the upper part 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.

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

Example two

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

A ventilation mechanism 13, wherein the ventilation mechanism 13 is used for realizing ventilation;

the shield plate 11, the shield plate 11 is installed on the upper part of the ventilation mechanism 13, and is used for protecting equipment and personnel on 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 is arranged at the lower part of the ventilation mechanism 13, and the detection mechanism 15 is used for detecting air, humidity and topography parameters at the bottom of the deep foundation pit;

The traction mechanism is connected with the shield plate 11 and moves up and down;

Car 14. Car 14 is detachably connected to the lower part of ventilation mechanism 13.

The shield plate 11 in this embodiment is used for shielding falling rocks above a hoistway, personal safety of staff is protected, after the ventilation mechanism 13 is started, dirty air in the hoistway is discharged to the outside of the hoistway, the ventilation cavity 156 arranged in cooperation with the detection mechanism 15 is used for enabling the whole hoistway to form an air circulation system, air quality at the bottom of the hoistway is guaranteed, the claw mechanism 12 is used for anchoring the equipment, after the equipment descends to a proper height, the claw mechanism 12 is started, the claw 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 collapse occurs, the equipment can also disperse supporting force on the wall of the hoistway, support the falling rocks and soil of the hoistway, a cavity is reserved at the bottom of the equipment, and meanwhile, the detection mechanism can convey air to the bottom of the hoistway after the collapse, even if the air transmission pipeline is cut off or blocked, the cavity can not only provide a certain survival space for the staff, but also can obtain survival time for the staff, and the inner air can fight for the staff, and the staff can wait for the arrival of rescue staff.

As shown in fig. 5, the claw mechanism 12 comprises a claw plate member 121 and a telescopic mechanism 122, one end of the claw 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 claw plate member 121;

The claw plate member 121 includes a claw plate 1210 and claw teeth 1211, and the claw teeth 1211 are fixedly coupled to the outer ends of the claw plate 1210.

When the claw mechanism 12 is started, the telescopic mechanism 122 supports the claw plate member 121 to scatter towards the circumferential direction of the claw mechanism 12, so that the claw plate member 121 is inserted into earth and stones in the well wall, the claw plate member 121 is anchored, the claw plate member 121 is prevented from falling, the claw plate member 121 is more stable, and most importantly, the damage to workers caused by collapse is resisted.

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

The ventilation mechanism 13 comprises a ventilation upper frame 131, a suspension 132 fixedly installed on the upper portion of the ventilation upper frame 131, a ventilation lower frame 133 installed 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 with 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 a well, and can form a containing cavity at the bottom of the well for workers when collapse occurs, the workers can safely wait for rescue in the cavity, and the air pipe interface 110 is communicated with the well mouth to discharge dirty air of the well.

As shown in fig. 7, the detection 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 mounted on the outer circumference of the housing 150, a rotary outer cylinder 152 coaxially movably connected to the rotary inner cylinder 153, and a rotary power motor 154 in transmission connection with the rotary outer cylinder 152, and a detection unit 1520 is provided on the rotary outer cylinder 152.

The detecting mechanism 15 further comprises an air quality detector 155, a ventilation cavity 156 and a humidity sensor 157, wherein the ventilation cavity 156 is arranged at the bottom of the housing 150, a ventilation hole is arranged at the bottom of the housing 150, and the air quality detector 155 and the humidity sensor 157 are fixedly arranged inside the housing 150.

The detecting unit 1520 arranged by the detecting mechanism 15 is provided with a camera and an infrared sensor, so that the environment condition at the bottom of a well can be sufficiently detected, the detecting device can be used as primary detecting equipment to enter the bottom of the well, the working environment at the bottom of the well is detected to be suitable for personnel to work, and then workers are sent into the bottom of the well, so that dangerous conditions such as syncope or asphyxia and the like of the workers at the bottom of the well are avoided due to air quality, and meanwhile, the camera and the infrared sensor can do circular motion on the rotary inner cylinder 153, scan the environment condition at the bottom of the well, form specific well images and transmit the specific well images back to the control box 26 at the well mouth.

As shown in fig. 1, the device further comprises a bottom frame 21, a bottom roller 22 movably connected to the lower part of the bottom frame 21, a main frame 24 fixedly connected to the upper part of the bottom frame 21, and a ventilation mechanism 23 mounted on the upper part 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.

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

The ventilation mechanism 23 comprises a fan 231, a beam-gathering device 232 arranged on the side of the fan 231 and a comprehensive cable 233 movably connected with the beam-gathering device 232, a shunt 2330 and an air pipe 2331 are arranged at the bottom of the comprehensive cable 233, the shunt 2330 is communicated with the fan 231 through the comprehensive cable 233, the shunt 2330 is communicated with the air pipe interface 110 through the air pipe 2331, and the ventilation mechanism 23 conveys fresh air to a deep foundation pit through the fan 231.

The beam retractor 232 that the ventilation mechanism 23 set up can cooperate the operation of equipment, put into the well or receive from the well with the integrated cable 233, the beam retractor 232 can be equipped with the motor, realize the receive and release action of integrated cable 233 through the motor, when the motor corotates, receive up integrated cable 233, integrated cable 233 also can fall downwards from beam retractor 232 because gravity is used when the motor is reversing, can make the receive wire compacter because the gravity effect of integrated cable 233 when receiving the line, integrated cable 233 is furnished with air inlet pipe, air outlet pipe and electric wire, provide the air guide way for the equipment of well bottom and for the well bottom is admitted air and is given out air, its integrated cable 233 inside sets up air pipe, air outlet pipe and electric wire, and still the cladding has the stay tube that length is 5cm long outside integrated cable 233, the range spacing of stay tube is the wall thickness of stay tube, this stay tube can support integrated cable 233, prevent that integrated cable 233 from being compressed tightly by falling the stone, the situation that leads to unable ventilation takes place.

The main frame 24 comprises a roller support 241, a first roller 242 fixedly arranged on the upper part of the roller support 241, a first roller 243 coaxially and movably connected with the first roller 242, a telescopic rod 244 with one end fixedly connected with the side part of the roller support 241, a second roller 245 coaxially and movably connected with the other end of the telescopic rod 244, a cable 246 with one end in transmission connection with the first roller 243, the other end of the cable 246 is connected with the suspension piece 132, the cable 246 is arranged on the second roller 245, and the cable 246 is in rolling connection with the second roller 245;

the roller support 241 is also mounted to the power supply 25 and the control box 26.

The first roller 243 is provided with a traction motor, and the traction motor is in transmission connection with the first roller 243, so that the shield 11, the claw mechanism 12, the ventilation mechanism 13 and other mechanisms can move up and down in a hoistway, meanwhile, the cable 246 is arranged on the second roller 245, the second roller 245 can adjust the distance between the second roller 245 and the roller bracket 241 under the action of the telescopic rod 244, and the tension of the cable 246 can be ensured to be perpendicular to the shield 11, the claw mechanism 12, the ventilation mechanism 13 and other mechanisms by the equipment.

The advantages of the embodiment over the first embodiment are:

The beam retractor provided by the ventilation mechanism of the second embodiment of the invention can be matched with the operation of equipment, the composite cable is put into a well or taken up from the well, the beam retractor is provided with a motor, the winding and unwinding actions of the composite cable are realized through the motor, when the motor rotates positively, the composite cable is retracted, when the motor rotates reversely, the composite cable can fall downwards from the beam retractor due to gravity, the winding is more compact due to the gravity action of the composite cable when the composite cable is wound, the composite cable is provided with an air inlet pipeline, an air outlet pipeline and an electric wire, the electric power is provided for equipment at the bottom of the well, the air inlet pipeline, the air outlet pipeline and the electric wire are provided for air inlet and air outlet at the bottom of the well, the inner part of the composite cable is covered with a support pipe with the length of 5cm, the arrangement distance of the support pipe is the wall thickness of the support pipe, the support pipe can support the composite cable, and the composite cable is prevented from being compressed by falling stones, so that the situation that ventilation cannot occur is avoided.

The first roller is provided with a traction motor, the traction motor is in transmission connection with the first roller, so that the shield plate, the claw mechanism, the ventilation mechanism and other mechanisms can move up and down in the well, meanwhile, the mooring rope is arranged on the second roller, the second roller can adjust the distance between the second roller and the roller bracket in a telescopic rod acting direction, and the tension of the mooring rope can be ensured to be perpendicular to the shield plate, the claw mechanism, the ventilation mechanism and other mechanisms by the aid of the equipment.

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 claw mechanism, a ventilation mechanism and a lift car into a well, starting the claw mechanism after the lift car reaches a preset position, inserting a claw plate member into the well wall by the claw mechanism to anchor the claw mechanism and the well wall, and randomly anchoring the shield plate at the upper part of the claw mechanism to prevent falling rocks at the upper part of the shield plate from smashing to the lower part of the shield plate;

S2, in the step of oxygen supply, when a worker goes down into a well, an air quality detector of the air quality detector detects the oxygen content in the air, when the oxygen content is detected to be too low, a fan is started to supply air to the bottom of the well, fresh air is pumped into a ventilation cavity by the fan, and meanwhile, a ventilation mechanism on the upper part of the ventilation cavity is started, and dirty air is blown out of the well through a fan blade.

The foregoing is merely an embodiment of the present application, and a specific structure and characteristics of common knowledge in the art, which are well known in the scheme, are not described herein, so that a person of ordinary skill in the art knows all the prior art in the application date or before the priority date, can know all the prior art in the field, and has the capability of applying the conventional experimental means before the date, and a person of ordinary skill in the art can complete and implement the present embodiment in combination with his own capability in the light of the present application, and some typical known structures or known methods should not be an obstacle for a person of ordinary skill in the art to implement the present application. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present application, and these should also be considered as the scope of the present application, which does not affect the effect of the implementation of the present application and the utility of the patent.

Claims (5)

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

a ventilation means (13), said ventilation means (13) being adapted to effect ventilation;

The shield plate (11), the shield plate (11) is arranged on 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 claw mechanisms (12) are arranged, the claw mechanisms (12) are movably connected to the circumference of the ventilation mechanism (13), and the claw 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 topography parameters at the bottom of the deep foundation pit;

The traction mechanism is connected with the shield plate (11) and moves up and down;

a car (14), wherein the car (14) is detachably connected to the lower part of the ventilation mechanism (13);

The claw mechanism (12) comprises a claw plate member (121) and a telescopic mechanism (122), one end of the claw 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),

The other end of the telescopic mechanism (122) is hinged with the middle part of the claw plate member (121); the claw plate component (121) comprises a claw plate (1210) and claw teeth (1211), wherein the claw teeth (1211) are fixedly connected with the outer end of the claw plate (1210);

the shield plate (11) is provided with a plurality of air pipe interfaces (110) and infrared detectors (111), the air pipe interfaces (110) are communicated with the ventilation mechanism (13) through pipelines, and the infrared detectors (111)

The shield plate is arranged in the middle of the shield plate (11);

the ventilation mechanism (13) comprises a ventilation upper frame (131), a suspension piece (132) fixedly arranged on the upper part of the ventilation upper frame (131), a ventilation lower frame (133) arranged on the lower part of the ventilation upper frame (131), a fan blade (134) movably connected to the middle part 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 parts (1330), and the claw plate component (121) is hinged with the ventilation lower frame (133) through the hinge parts (1330);

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 arranged 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);

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 vent hole is formed in the bottom of the shell (150), and the air quality detector (155) and the humidity sensor (157) are fixedly mounted inside the shell (150).

2. The deep foundation pit operation safety protection intelligent device of claim 1, wherein: the detecting 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) mounted on the upper portion of the bottom frame (21), wherein the ventilation mechanism (23) is communicated with a ventilation cavity (156) of the detecting mechanism (15) through a pipeline.

3. The deep foundation pit operation safety protection intelligent device of claim 2, wherein: the utility model provides a ventilation mechanism (23) include fan (231), install in the receipts ware (232) of fan (231) lateral part, with the synthetic cable (233) of receipts ware (232) swing joint, synthetic cable (233) bottom is provided with shunt (2330) and blast pipe (2331), shunt (2330) are through the synthetic cable (233) and fan (231) intercommunication, shunt (2330) are through blast pipe (2331) and air pipe interface (110) intercommunication, ventilation mechanism (23) are through fan (231) to deep basal pit conveying fresh air.

4. A deep foundation pit operation safety protection intelligent device according to claim 3, wherein: the main frame body (24) comprises a roller support (241), a first roller (242) fixedly arranged on the upper portion of the roller support (241), a first roller (243) coaxially and movably connected with the first roller (242), a telescopic rod (244) with one end fixedly connected with the side portion of the roller support (241), a second roller (245) coaxially and movably connected with the other end of the telescopic 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 a suspension piece (132), the cable (246) is arranged 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).

5. The method for carrying out safety protection by adopting the intelligent safety protection equipment for deep foundation pit operation as claimed in claim 4, which is characterized in that:

S1, anchoring a shield plate, namely, feeding the shield plate, a claw mechanism, a ventilation mechanism and a lift car into a well, starting the claw mechanism after the lift car reaches a preset position, inserting a claw plate member into the well wall by the claw mechanism to anchor the claw mechanism and the well wall, and randomly anchoring the shield plate at the upper part of the claw mechanism to prevent falling rocks at the upper part of the shield plate from smashing to the lower part of the shield plate;

S2, in the step of oxygen supply, when a worker goes down into a well, an air quality detector of the air quality detector detects the oxygen content in the air, when the oxygen content is detected to be too low, a fan is started to supply air to the bottom of the well, fresh air is pumped into a ventilation cavity by the fan, and meanwhile, a ventilation mechanism on the upper part of the ventilation cavity is started, and dirty air is blown out of the well through a fan blade.