43results about How to "Guaranteed replacement efficiency" patented technology

The invention discloses a household air purifier. The household air purifier comprises a base (1), a frequency conversion fan (2), an electrostatic filter (3), a fine filter (4) and a mixed adsorption bed layer (5); the frequency conversion fan (2) is arranged on the base (1); the electrostatic filter (3), the fine filter (4) and the mixed adsorption bed layer (5) are arranged above the frequency conversion fan (2) from bottom to top in turn; the mixed adsorption bed layer (5) is detachably connected with a casing of the fine filter (4); the upper end surface of the mixed adsorption bed layer (5) is provided with an end cover (6) which is provided with an air outlet; the end cover (6) is also provided with a sealing cover which can be used for sealing the air outlet; the end cover (6) is also provided with a penetrating detector (7). The invention also discloses a purification and regeneration process of the household air purifier. According to the household air purifier and the purification and regeneration process thereof, the detachment and the installation are convenient, the service life is long, and the purification and the regeneration can be achieved.

The invention provides a temperature humidity linkage type transformer cabinet. The temperature humidity linkage type transformer cabinet comprises a cabinet body, a first temperature sensor, a second temperature sensor, a first humidity sensor, a second humidity sensor, an adjustment system and a control module, wherein the adjustment system comprises an air exchange structure, an air transmission mechanism, a dehumidifying device and a cooling device, the control module is respectively connected with the first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor, the air exchange structure, the air transmission mechanism, the dehumidifying device and the cooling device and further controls operation of the air exchange structure, the air transmission mechanism, the dehumidifying device and the cooling device according to detection values of the first temperature sensor, the second temperature sensor, the first humidity sensor, the second humidity sensor. According to the temperature humidity linkage type transformer cabinet, indoor air humidity is automatically monitored, air exchange and air dehumidifying can automatically selected to realize air drying, and high automation and strong timeliness are realized.

The invention belongs to the field of mechanical arms, and relates to a metal blank carrying manipulator, in particular to a bearing ring carrying manipulator capable of automatically clamping, overturning as well as protecting and holding. The mechanical arm comprises a main shaft rotating module, a longitudinal movement module, a transverse movement module, a swinging module and a paw module, and is characterized in that the main shaft rotating module is mainly used for supporting a whole system, and realizing the rotating movement of a whole body around a stand column driving shaft, whereinthe whole body is composed of the longitudinal movement module, the swinging module, the swing module and the paw module the longitudinal movement module around a stand column driving shaft, the longitudinal movement module is used for realizing the movement of a whole body in the vertical direction, wherein the whole body is composed of the transverse movement module, the swinging module and thepaw module, and the longitudinal movement module is used for realizing the movement of the whole body in the vertical direction, wherein the whole body is composed of the transverse movement module,the swinging module and the paw module; and the swinging module and the paw module are used for realizing swinging and rotating functions of the paw. According to the bearing ring blank carrying manipulator, the defects of the bearing ring blank clamping, overturning and shifting procedures in the bearing ring forging process are overcome, the product precision, the production efficiency and the automation level are improved, and the cost is reduced for enterprises as well.

The invention relates to the field of indoor air purification devices, in particular to a cleaning assembly for a ventilation pipeline of an indoor air purification device, which comprises a main body, an opening and closing mechanism, a filtering mechanism, a limiting mechanism, a cleaning mechanism and an auxiliary mechanism. By arranging the filtering mechanism, the quality of air entering a room can be guaranteed, filtering accessories such as a filter element are convenient to replace, the using effect of the device is improved, the filtering mechanism is convenient to open and close automatically by arranging the opening and closing mechanism, and the replacement efficiency of the filtering mechanism is improved in an assisted mode. By arranging the cleaning mechanism, the inner wallof the pipeline can be conveniently and automatically cleaned, manpower and time are saved, the cleaning efficiency is improved, by arranging the limiting mechanism, dust filtering components can beconveniently replaced, airflow circulation in the main body is guaranteed, dust is prevented from entering the device, and the cleanliness of the interior of the device are guaranteed; Through the arrangement of the auxiliary mechanism, the filtering part is conveniently limited and fixed in an auxiliary manner and is prevented from accidentally separating from a limiting position.

The invention discloses an angle steel cross arm insulator screw rod stress application replacement device which comprises an angle steel cross arm clamp and a tractor. The angle steel cross arm clampcomprises a fixed seat, a locking block, a limiting block and a first screw. A hook claw part is arranged at the first end part of the fixed seat; a groove into which the first side plate part of theangle steel cross arm movably extends is formed between the hook claw part and the fixed seat; the first end part of the fixed seat is provided with a through groove towards the second end part; thelocking block is arranged on the first screw rod in a sleeving manner and is provided with a clamping part matched with the angle steel cross arm in a clamping manner; the limiting block is mounted atthe through groove of the fixed seat; the first end of the first screw extends out of the limiting block through the through groove, and a rod head is arranged at the first end, extending out of thelimiting block, of the first screw; the rod head and the locking block are used for clamping and fixing the fixed seat and the angle steel cross arm; the tractor comprises a screw rod assembly and a pull rod; the screw rod assembly comprises a second screw, a first nut and a handle. Installation and dismounting are simple, usage is convenient and insulator replacement efficiency is guaranteed.

The invention belongs to the field of textile machinery and equipment, relates to a plane and three-dimensional defect detection device of upper and lower surfaces of a scarf, and specifically relatesto a device capable of performing a turnover operation on the end part of the scarf and detecting plane and three-dimensional defects of the upper and lower surfaces of the scarf by means of machinevision. The device comprises a darkroom module, a vision inspection module, a bottom turnover shaft module, a top turnover shaft module and a conveying module, wherein a darkroom protection module provides a closed darkroom environment and supports a turnover mechanism; and the vision detection module mainly realizes the detection of the plane information of the upper and lower surfaces of the scarf. The bottom turnover shaft module and the top turnover shaft module realize the turnover of the scarf. The main function of the conveying module is to realize the transmission of the scarf. The device overcomes the defects that the manual detection of the upper and lower surfaces of an existing scarf occupies a lot of labor forces, the detection efficiency is low and detection deviation exists,and improves the quality detection efficiency and accuracy of the upper and lower surfaces of the scarf.

The invention belongs to the field of numerical control cutting machines, and particularly relates to a numerical control cutting device for clamping, conveying, tensioning, cutting and forming soft materials such as leather and removing waste materials. The device mainly solves the problems that the precision of a soft material gasket such as leather is not guaranteed in manual cutting and traditional numerical control cutting machine cutting, and the traditional numerical control cutting equipment is large in size. The device comprises a box body module, a conveying and clamping module, a tensioning module, a cutting movement module and a waste material cutting module, the box body module is mainly used for supporting the device main body and the other modules are contained, so that themobility of the device is increased; the clamping and conveying of the raw materials are realized by the conveying and clamping module; the tensioning module is used for tensioning the raw materials;the cutting movement module is used for controlling the numerical control system to control the cutter to move; the waste material cutting module is used for removing the waste materials after the cutting of the raw materials is finished. According to the cutting machine, the precision and the efficiency are improved by adopting numerical control cutting, the cutting machine is small in size and high in mobility.

The invention discloses a well cementing method for an oil and gas well. The method comprises: according to related dimensions and parameters of oil and gas well cementation, determining replacement construction time required by replacement fast setting cement slurry construction of an oil and gas well; according to the replacement construction time, preparing fast setting cement slurry and retardant setting cement slurry; pumping and injecting a flushing fluid, the retardant setting cement slurry, and the fast setting cement slurry into an oil-string casing in the oil and gas well; pumping and injecting a displacing fluid to the oil-string casing in first displacement, when the fast setting cement slurry is displaced to a casing float shoe on the bottom of an oil and gas well, pumping and injecting the displacing fluid to the oil-string casing in second displacement, so as to displace all the fast setting cement slurry to a well cementation annulus. The variable displacement well cementation construction method of firstly first displacement and then second displacement can displace the fast setting cement slurry in place on the premise of zero addition of thickening time, preventing water of a high-pressure water channeling layer from damaging the cement slurry in the annulus in a dissolution and transporting manner. Thus, influence of water invasion is prevented.

The invention discloses a biological deodorizing device. The biological deodorizing device comprises a device casing, a plurality of left filtering mechanisms and a plurality of right filtering mechanisms are staggered in the device casing, the left filtering mechanism comprises a first upper receiving cover and a first lower receiving cover, the side of the first lower receiving cover is providedwith a through first liquid inlet pipe, the top of the first lower receiving cover is provided with a through first liquid outlet pipe, the end of the first liquid inlet pipe is provided with a firsttransmission pipe, and the top of the first liquid outlet pipe is fixedly provided with a first nozzle. The biological deodorizing device effectively accelerates the wetting speed of the filler, so as to uniformly adhere the culture liquid to the surface of the filler and ensure the replacement efficiency of the culture liquid on the surface of the filler and thus the deodorizing effect is better. The left filtering mechanisms and the right filtering mechanisms are staggered so that the contact time of the odor and culture solution on the filler is prolonged and the deodorizing effect is improved.

The invention belongs to the field of numerical control cutting machines and particularly relates to numerical control cutting equipment used for clamping soft materials such as leather and cutting the materials into a certain shape. With the adoption of the numerical control cutting machine, the problems of high labor cost, large device size, poor overall mobility and the like in manual cutting of gaskets made of leather or other soft materials and cutting of the gaskets by traditional numerical control cutting machines are mainly solved. The equipment mainly comprises a box module, a material sucking and fixing module and a cutting motion module, wherein the box module is mainly used for supporting an equipment main body, accommodating the material sucking and fixing module and the cutting motion module and improving the mobility of the equipment; the material sucking and fixing module is used for determining the position of a processed leather-type soft material; the cutting motion module is used for moving a cutter along X, Y and Z coordinate axes under control of a numerical control system to complete the cutting motion. The numerical control cutting equipment has the beneficial effects that the equipment can complete high-precision cutting of gaskets in specified specifications, has the advantages of small size, portability and the like and is low in cost and suitable for medium and small enterprises.

The invention provides a battery module bottom limiting mechanism of a battery compartment. The battery module bottom limiting mechanism enables positioning of a battery module to be time-saving and labor-saving and ensures battery replacement efficiency, and comprises a lower groove in a bottom plate, a ferrule assembly and a press-spring mechanism assembly, the ferrule assembly comprises a ferrule shaft and a ferrule, the ferrule shaft comprises a middle bent protrusion, the ferrule is mounted in a linear section of the middle bent protrusion in a sleeved manner, and two ends of the ferruleshaft are connected at corresponding positions of the bottom plate in a welded manner respectively; the press-spring mechanism assembly comprises linear springs, spring limiting columns a limiting plate and limiting frame, the bottom of each spring limiting column is welded at the bottom of the lower groove, one linear spring is mounted on each spring limiting column in a sleeved manner, the lowerend of each linear spring is fixedly mounted at the bottom of the lower groove while the upper end of the same is fixedly mounted on the limiting plate, the lifting frame and the limiting plate are welded into a whole, and the limiting plate is provided with avoiding holes at positions corresponding to the spring limiting columns.

The invention discloses a water-cooling temperature-control live pig breeding house structure beneficial to peculiar smell control, and relates to the technical field of live pig breeding. The water-cooling temperature-control live pig breeding house structure comprises a breeding house assembly, a purifying assembly and a stabilizing assembly, the breeding house assembly comprises a breeding house body, an air inlet hole is formed at one side of the breeding house body, an air outlet hole is formed at the other side of the breeding house body, and a water tank is movably arranged at one sideof the breeding house body; and a pump box is fixedly arranged in the water tank, a water pump is fixedly arranged in the pump box, a spraying pipe frame is fixedly arranged in the breeding house body, and the water tank communicates with the spraying pipe frame through the water pump. By arranging the breeding house assembly and the purifying assembly, a clamping rod is rotated to enable a firstmagnetic block to be disengaged from attraction of a second magnetic block, a stabilizing cylinder is pulled to drive a first positioning cylinder and a second positioning cylinder to be disengaged from clamping of a first filter frame, a second filter frame and a third filter frame, replacement and cleaning can be conducted, the operation process is rapid and simple, and the replacement efficiency is guaranteed.

The invention belongs to the field of textile machinery, and relates to a device for detecting quality of upper and lower surfaces of a scarf and the overall appearance structure and removing impurities on the surface of the scarf, in particular to an integral visual detection device which has a scarf end automatic turning function and can automatically detect planar quality information such as holes in the upper and lower surfaces of the scarf and three-dimensional quality information such as surface yarn knots by means of machine vision and remove impurities such as floating hair on the surface of the scarf. The device comprises a darkroom module, a visual detection module, a floating hair adsorption module, a bottom turnover shaft module, a top turnover shaft module and a conveying module. The defects of high requirement for worker detection experience, large labor number, low detection efficiency and detection deviation in existing manual detection of the upper and lower surfaces of the scarf are overcome, the number of workers is greatly reduced, the production cost is reduced, automation is realized in the whole turnover, detection and floating hair adsorption process, and efficiency and accuracy of quality detection of the upper and lower surfaces of the scarf and cleaning of the floating hair on the surface are improved.

The invention belongs to the field of spinning mechanical equipment, and relates to a device capable of conducting scarf upper and lower surface quality detection and adsorbing attached thread residues on the surface of a scarf, in particular to an automatic scarf middle portion overturning surface detecting and floating fluff adsorbing device capable of conducting automatic scarf upper and lowersurface quality detection through machine vision and removing scarf surface floating fluff and other impurities through a floating fluff adsorption device. The device comprises a darkroom module, a vision detection module, a floating fluff adsorption module, a bottom overturning shaft module, a top overturning shaft module and a conveying module. The device overcomes the defects that during existing scarf upper surface and lower surface manual detection, the worker detection experience requirement is high, the occupied labor is large, the detection efficiency is low, and the detection deviation exists; and the number of workers is greatly reduced, the production cost is reduced, the whole face overturning, detecting and floating fluff adsorbing process is automatic, and the scarf upper andlower surface quality detection and surface floating fluff cleaning efficiency and accuracy rate are improved.

The invention discloses a channel steel cross arm insulator screw rod stress application replacement device which comprises a channel steel cross arm clamp and a tractor. The channel steel cross arm clamp comprises a fixed seat and a claw; the fixing seat is provided with an abutting part which movably contacts and abuts against a top of the channel steel cross arm; a first end of the claw is hinged to the first end, close to the abutting part, of the fixing seat, and a second end of the claw is provided with a hook part matched with the first side plate part of the channel steel cross arm; the second end of the fixed seat extends out of the channel steel cross arm in the direction away from the claw; the tractor comprises a screw rod assembly and a pull rod; the screw rod assembly comprises a screw, a nut and a handle; the first end of the screw upwards penetrates through the fixed seat to extend out of the channel steel cross arm, and the second end is connected with the first end ofthe pull rod; the pull rod is connected with a wire through a connecting piece; the nut rotatably sleeves a shaft section, extending out of the channel steel cross arm, of the screw and is in threaded fit with the screw, and a bottom of the nut abuts against the top of the fixing seat; and the handle is connected with the nut and used for driving the nut to rotate. Installation and dismounting are simple and usage is convenient.

The invention discloses a channel steel cross arm insulator tackle stress application replacement device which comprises a channel steel cross arm clamp and a tractor. The channel steel cross arm clamp comprises a fixed seat and a claw; the fixing seat is provided with an abutting part which movably contacts and abuts against a top of the channel steel cross arm; a first end of the claw is hingedto the first end, close to the abutting part, of the fixing seat, and the second end of the claw is provided with a hook part; the hook part is provided with a groove into which a first side plate part of the channel steel cross arm is movably clamped; a bottom of the groove abuts against the bottom of the first side plate part in a contact mode; the second end of the fixed seat extends out of thechannel steel cross arm in a direction away from the claw; the tractor comprises a first tackle, an insulating rope and a second tackle; the first tackle is connected with the fixed seat at the position extending out of the channel steel cross arm, and a pulley of the first tackle is connected with the pulley of the second tackle through an insulating rope; the insulating rope is used for liftingthe secondtackle; and the second tackle is connected with a wire through a connecting piece. Installation and dismounting are simple, usage is convenient and insulator replacement efficiency is guaranteed.

The invention discloses a rapid aligning system which comprises two robot bodies, a first laser transmitter, a second laser transmitter and a visual sensor. The first laser transmitter is installed onone robot body and used for projecting a first aligned image. The second laser transmitter is installed on the other robot body and used for projecting a second aligned image aligned and matched withthe first aligned image. The visual sensor is arranged on at least one robot body. The visual sensor is used for determining a moving and adjusting signal according to the position relationship between the first aligned image and the second aligned image. The robot bodies are moved and adjusted according to the moving and adjusting signal until the first aligned image is aligned and matched withthe second aligned image so that the two robot bodies can be aligned and matched. Aligning is rapid, efficiency is high, and the battery replacing efficiency is ensured.

The invention discloses a quick-change butt joint device for a double-arm feeding cross bar of a press, and mainly relates to the field of press automation. It includes a quick-change male plate set on the feeding assembly and a quick-change master plate set on the crossbar. The quick-change male plate is rotatably connected with a transmission shaft, one end of the transmission shaft is connected with the feeding assembly, and the other end of the transmission shaft slides It is connected with a keyway shaft, and the quick-change male plate is provided with a retracting part that drives the keyway shaft to slide. One end of the keyway shaft is provided with a keyway, and the quick-change master plate is rotatably connected with a keyed shaft, and one end of the keyed shaft is provided with a keyway. The key block is movable and plugged in. There is an electrical module on one side of the quick-change master plate, and a guide pin hole is provided on the electrical module. pin. The beneficial effect of the present invention is that it can make the replacement of the crossbar of the double-arm feeding device more rapid and convenient, improve the automation degree of crossbar replacement, ensure the replacement efficiency, and improve the production and processing efficiency of the stamping line.

The invention belongs to the technical field of tunnel boring machines. A stable supporting device of a hard rock tunnel boring machine comprises two supporting units symmetrically embedded in two sides of the lower portion of a front shield of the tunnel boring machine. Each supporting unit comprises a guide outer sleeve fixedly connected with the front shield, a stable supporting oil cylinder arranged inside the guide outer sleeve, and a shoe plank fixedly connected with a piston rod of the stable supporting oil cylinder, wherein a step-shaped shaft hole I and a step-shaped shaft hole II are formed in the guide outer sleeve in the axial direction; the front end of a cylinder body of the stable supporting oil cylinder is matched with and attached to a circular bead between the shaft hole I and the shaft hole II in an abutting mode; and a rear pressing plate fixedly connected with the guide outer sleeve is arranged at the rear end of the cylinder body of the stable supporting oil cylinder. The overall structural design of the stable supporting device of the hard rock tunnel boring machine guarantees the step change stability of the tunnel boring machine and the replacement efficiency of side hobs; and meanwhile for the structural design of the supporting units, the overall strength of the front shield is guaranteed, and the whole front shield is convenient to dismount, mount and maintain.

The invention discloses a hidden vertical drainage structure with a good waterproof effect for doors and windows, and relates to the technical field of aluminum alloy doors and windows. The hidden vertical drainage structure comprises a sectional material outer frame and a window sash body, a window sash connecting groove is formed in the top of the sectional material outer frame, a drainage hole is formed in the bottom of the inner wall of the window sash connecting groove, a drainage groove is formed in one side of the sectional material outer frame, the window sash body is movably arranged in the window sash connecting groove, a glass body is movably arranged in the window sash body, a connecting sheet is movably arranged on one side of the window sash body, and an operation groove is formed in one side of the window sash body. Due to the arrangement of the sectional material outer frame, rainwater falls into the window sash connecting groove and then smoothly flows out through the drainage hole and the drainage groove, the drainage hole is vertically downward, the drainage amount is large, the phenomena of wind pressure direct blowing and rainwater backflow are avoided, the appearance is simpler and more attractive due to the hidden design of the drainage hole, the integrity of the device is guaranteed, and wide application prospects are achieved.

The invention discloses an industrial furnace waste gas treatment apparatus. The industrial furnace waste gas treatment apparatus comprises heat absorption supports, a heat absorption box and a gas inlet pipe, wherein the upper side of the heat absorption supports is provided with the heat absorption box, the material of the heat absorption supports is stainless steel, and the outer side of the heat absorption box is provided with the gas inlet pipe. The industrial furnace waste gas treatment apparatus has the beneficial effects that by arranging the heat absorption box, the heat absorption pipe, a water inlet pipe and a water outlet pipe, the heat in the waste gas can be effectively absorbed and utilized, and the energy waste can be reduced; and by arranging a filtering plate seat, the replacement process of a filtering plate is simpler and easier in operation, the replacement efficiency is greatly increased, and the filtering effect is ensured.

The invention belongs to the field of textile machinery and equipment and relates to a surface detection device capable of automatically turning over the middle part of a scarf to automatically detectthe upper and lower surfaces of the scarf with the help of machine vision. The device comprises a darkroom module, a vision detection module, a bottom turning shaft module, a top turning shaft moduleand a conveying module, and the device is characterized in that: the darkroom protection module provides a closed darkroom environment and supports a scarf turning mechanismin a darkroom, the visiondetection module mainly visually detects the scarf cut in the previous step, the bottom turning shaft module and the top turning shaft module are mutually matched to finish turning over the scarf, andthe main function of the conveying module is conveying the scarf. The surface detection device overcomes the defects that the requirement on detection experience of a worker is high, huge labor forces are occupied, the detection efficiency is low and the detection deviation exist in the existing artificial detection of the upper and lower surfaces of the scarf, the number of workers is greatly reduced, the production cost is lowered, the whole processes of turning over the surface and detecting are automated, and the quality detection efficiency and accuracy of the upper and lower surfaces ofthe scarf are improved.

The invention discloses an RTEX bus controller and a control system thereof, and relates to the technical field of bus motion controllers. The RTEX bus controller comprises filter screens, wherein the filter screens comprise two sets of first filter screens arranged at the two sides of the bus controller and are used for filtering the air entering the bus controller, transmission blocks are arranged at one sides of the first filter screens, and protrusions are arranged at one sides of the transmission blocks; a bus controller which comprises a shell with a bottom plate arranged at the bottom, wherein a fan located above the bottom plate is arranged in the shell, and the fan is used for extracting the air outside the shell into the shell. Through the arrangement of the filter screens, the bus controller, a transmission mechanism and a driving mechanism, a supporting rod is matched with a transmission rod, so that the device can remove the dust attached to the first filter screens while damping, the management personnel do not need to be arranged independently, the time and labor are saved, the cost is reduced, and the RTEX bus controller accords with the economic benefits and has wide application prospect.

The invention discloses a soil-removing device for belt wheels of an agricultural machine for a farmland, and relates to the technical field of belt wheels. The soil-removing device comprises a belt wheel assembly, a fixed mechanism and soil-removing mechanisms, wherein the fixed mechanism for supporting the soil-removing mechanisms and scraping mud is movably arranged on the surface of the belt wheel assembly, and the soil-removing mechanisms for assisting the scraping of the mud are fixedly arranged on two sides of the fixed mechanism; and the belt wheel assembly comprises a transmission shaft. By arranging the belt wheel assembly, the fixed mechanism and the soil-removing mechanisms, positioning plates are pulled up to drive inserting rods to be separated from the insides of moving cavities and positioning holes so as to take protecting covers down, fixed rods can be detached by virtue of screw drivers, and then a scraping plate body and a belt body can be replaced; when the belt body is independently replaced, a user only needs to pull the scraping plate body rightwards and replace the belt body through a front-surface gap of a fixed frame, so that the replacement efficiency isfurther guaranteed; and the soil-removing device is simple in structure, easy to operate and convenient for the user to use.

The invention discloses an anti-prying device for an embedded security door. The anti-prying device comprises a wall body, a door plate body and a placing groove, wherein a door frame body is embedded into the inner wall of the wall body; hinges which are distributed in parallel at equal intervals are arranged on one side of the inner wall of the door frame body; the door frame body is rotationally connected with the door plate body through the hinges; a limiting groove is formed in the inner wall of one side, deviating from the hinges, of the door frame body; the placing groove is formed in the outer wall of one side of the door frame body; supporting plates are symmetrically arranged in the placing groove; screw holes which are distributed in a rectangular array are formed in one side of the inner wall of the door frame body; and the screw holes communicate with the placing groove. According to the anti-prying device, rubber pads, the supporting plates and screws are arranged, so that the effects of improving the sealing performance of equipment and conveniently replacing the rubber pads are achieved, air is prevented from flowing through a connecting gap between the door frame body and the door plate body, and as a result, the purpose of reducing air noise is achieved, the replacement efficiency of the rubber pads is improved, and the practicability of the equipment is improved.

The invention belongs to the technical field of boring machines. A stable support device for a hard rock roadheader, comprising two support units symmetrically embedded on both sides of the lower part of the front shield of the roadheader, the support unit includes a guide jacket fixedly connected with the front shield, a stable The supporting oil cylinder and the shoe plate fixedly connected with the piston rod of the stabilizing supporting oil cylinder, the step-shaped shaft hole 1 and the shaft hole 2 are arranged in the axial direction in the said guide jacket, the front end of the cylinder body of the stably supporting oil cylinder is connected with the The shoulders between the shaft hole 1 and the shaft hole 2 are fitted tightly together, and the rear end of the cylinder body of the stable support oil cylinder is provided with a rear pressure plate fixedly connected with the guide jacket. The overall structural design of the application ensures the stability of step change of the TBM and the efficiency of side hob replacement. At the same time, the structural design of the support unit ensures the overall strength of the front shield and facilitates overall disassembly and maintenance.