54results about How to "Avoid multiple adjustments" patented technology

The invention discloses a method for controlling an automatic air conditioning for an automobile. The method comprises the following steps of 1, acquiring the temperature in the automobile by using an inner temperature sensor in the automobile, acquiring an illumination intensity signal by using a sunlight sensor, and acquiring ambient temperature outside the automobile by using an outer temperature sensor; 2, acquiring an output value of the inner temperature sensor, an output value of the sunlight sensor and an output value of the outer temperature sensor by using an electronic controller, and calculating a TAO value according to the output value of the inner temperature sensor, the output value of the sunlight sensor, the output value of the outer temperature sensor, and a temperature value set by a user; 3, automatically controlling the temperature mixing air door opening, the air volume, air outlet modes and internal and external circulation by using the electronic controller according to the TAO value obtained in the step 2, wherein the step 3 comprises the following substeps of 3a, controlling the temperature mixing air door opening; 3b, controlling the air volume; 3c, controlling the switching of the air outlet modes; 3d, controlling the switching of internal and external circulation. According to the method, the indoor temperature of the automobile can be stabilized near the value expected by the user, and ultralow or ultrahigh temperature can be avoided.

The invention relates to a long term evolution (LTE) time adjustment method and a base station. The LTE time adjustment method comprises the following steps of: starting a timing advance (TA) timer through the base station; measuring and recording a time bias instantaneous value of target user equipment; calculating a smooth time bias value of the target user equipment according to the time bias instantaneous value of the target user equipment; and transmitting a TA adjusting command before the TA timer is overtime according to the smooth time bias value of the target user equipment, and restarting the TA timer. Therefore, the precision and efficiency of TA adjustment are improved.

The invention discloses a steel pipe weld joint ultrasonic phased array detection device comprising a support frame and an ultrasonic flaw detector; the support frame comprises a first support frame and two second support frames, a servo motor and a digital signal processor are arranged on the first support frame, the second support frame comprises two T-shaped frames and a cross rod vertically fixedly connected between the T-shaped frames, a V-shaped frame is fixedly connected to the T-shaped frame, the output shaft of the servo motor is fixedly connected with the center of a rotary chuck, the rotary chuck is detachably connected with a steel tube, the other end of the steel tube is arranged on the V-shaped frame, the ultrasonic flaw detector is electrically connected with an ultrasonic probe which is internally provided with an ultrasonic phased array transducer, the ultrasonic flaw detector is electrically connected with the digital signal processor; and the digital signal processoris electrically connected with the servo motor. Convenience is brought for use, and the detection effect is good.

The invention provides a three-dimensional translation method for five loudspeakers. The method comprises the steps of judging a position relation among a virtual sound source (substituted single loudspeaker) and five substituting loudspeakers, measuring and recording positions of all the loudspeakers, calculating a distribution coefficient of a signal of the substituted single loudspeaker being distributed to signals of the five substituting loudspeakers according to a principle that time average sound intensity and sound pressure generated by the virtual sound source (the substituted single loudspeaker) at a receiving point are equal to average sound intensity and sound pressure generated by the five substituting loudspeakers at the receiving point, deleting the virtual sound source, and distributing the signals. According to the three-dimensional translation method for the five loudspeakers, the five substituting loudspeakers can substitute one virtual sound source (the substituted loudspeaker), and compared with the translation method for fewer loudspeakers, repeated adjustments of grouping and signal distribution under the condition of the five loudspeakers are avoided, and the signal distribution can be conducted rapidly under the condition of the five loudspeakers.

The invention provides a curbstone mounting construction method. According to the invention, first the curbstones are mounted with a double-line control method, curbstone backs are manufactured with a gantry-supported construction process, and then asphalt is paved. With the double-line control method, mounting speed is accelerated, adjustment is reduced, and curbstone straightness and appearance quality are improved. With the gantry-supported construction process, mounting speeds of the curbstone backs and concrete templates are accelerated, labor investment is greatly reduced, construction quality is improved, basic guarantee is provided for subsequent asphalt concrete construction, and pavement flatness is ensured. Good effects such as good pavement appearance, straight line, and comfortable driving are achieved. compared with prior art, construction control work load of steps such as measuring, checking, testing, and the like are reduced; working efficiency is improved; construction duration is shortened; and good social and economic benefits are provided. The method has wide application space in municipal project curbstone mounting projects, and has popularization value.

The invention relates to a ramosetron hydrochloride injection and a preparation method thereof. The ramosetron hydrochloride injection comprises the following components in parts by weight: 1 part of ramosetron hydrochloride, 50-500 parts of glycine and 2,000-6,000 parts of injection water. In the preparation method, a pyrogen is removed by using ultrafiltration; compared with the use of active carbon, the preparation method has the advantages that the pyrogen, micro-particles, viruses and the like in liquid medicine can be effectively removed through ultrafiltration with molecular weight cutoff of 10,000, and the clarity and the color of the intermediate are improved to a certain extent compared with the active carbon, no adsorption effect is caused to the ramosetron hydrochloride, serving as a main ingredient of the product, like the active carbon, and the need of multiple adjustment due to inaccurate content in a blending process is avoided.

The invention discloses a CAE simulation analysis method for thermal deformation of an vehicle body sheet metal part. The CAE simulation analysis method is characterized in that second digital-analogdata obtained through stamping deformation simulation analysis of first digital-analog data of the vehicle body sheet metal part is imported into a welding process vehicle body sheet metal part thermal deformation simulation system, third digital-analog data is obtained through performing welding thermal deformation simulation analysis on the process vehicle body sheet metal part, and fourth digital-analog data is obtained through performing coating process thermal deformation simulation analysis on the third digital-analog data. According to the CAE simulation analysis method, thermal deformation analysis can be carried out only through a vehicle body 3D digital model, the constraint condition that a real vehicle must be used in a traditional method is broken through, therefore, the verification and countermeasure time of the thermal deformation problem of the metal plate of the new vehicle type can be brought forward to the CST / P / D stage (drawing stage) from the T stage (real vehiclestage), and the quality-maturing period of the real vehicle is greatly shortened.

The invention relates to the technical field of bridge construction, in particular to a double-wall cofferdam and a pier body construction method utilizing the double-wall cofferdam. The double-wall cofferdam comprises at least one section of double-wall cofferdam unit. The double-wall cofferdam unit comprises a wall body, a cutting edge, an inner supporting rod and a guiding mechanism. The cutting edge is arranged at the bottom end of the wall body. The inner supporting rod is horizontally located in an inner surface plate of the wall body, and is connected with the inner panel of the wall body. The guide mechanism comprises a connecting rod and a guide plate, and the guide plate is connected with the inner panel of the wall body through the connecting rod, the bending degree of the guideplate is matched with the curvature of the outer wall surface of a protection tube of a drilling pile, and a distance is formed between the guide plate and the outer wall surface of the protection tube. The inner supporting rod can enhance the stability of the double-wall cofferdam. The guide plate can guide and locate the lowering process of the double-wall cofferdam. Therefore, the double-wallcofferdam has the advantages that the structure strength is improved, stability is high, water stopping effect is good, structural design is reasonable, the structure is not required to be adjusted for multiple times in the construction process, and the smooth proceeding of engineering is guaranteed.

The invention relates to a pick-up head visual angle adjusting method and apparatus, and belongs to the technical field of image processing. The method comprises the following steps: obtaining a reference image shot within a visual angle of a pick-up head; performing graying on the reference image; for each reference line on the reference image, calculating the sum of a gray value of each pixel point on the reference line, and obtaining a total gray value of the reference line, wherein the reference line is one from a row and a column on the reference image; and according to the total gray value of each reference line, prompting to adjust the visual angle of the pick-up head. According to the invention, the problem of unreasonable composition existing in an image obtained when a user adjusts the shooting visual angle of the pick-up head according to his own feeling is solved; and the effects of improving user experience by prompting the user to adjust the visual angle of the pick-up head when the composition of the image shot by use of the pick-up head is unreasonable.

The invention relates to a method for intelligently adjusting the temperature of an air outlet of an air conditioner indoor unit. The method comprises the following steps of reading the running mode of an air conditioner, judging the running mode of the air conditioner, and if the air conditioner is in the heating mode, adjusting the target temperature value of an air conditioner heat exchanger in the refrigeration mode of the air conditioner; if the air conditioner is in the refrigeration mode, adjusting the target temperature of the air conditioner heat exchanger in the heating mode of the air conditioner; adjusting the target temperature value of the air conditioner heat exchanger in the refrigeration mode and the heating mode of the air conditioner by determining the magnitude relationship between a current temperature set value Tset' and an initial temperature set value Tset or the magnitude relationship between the Tset and Tlow1, Tlow2, Thigh1 and Thigh2. In other words, the temperature of the air outlet of the air conditioner indoor unit is automatically adjusted through using habits of users so that the purpose of supplying using comfort to the users can be achieved, and meanwhile the using economical efficiency can be improved.

The invention relates to the technical field of hardware machining equipment, and discloses a hardware fixing jig. The hardware fixing jig comprises a vehicle body, a workbench is installed at the topof the vehicle body, a lead screw is movably installed at the bottom of the workbench, the lead screw penetrates through the bottom of the vehicle body and is fixedly provided with a hand wheel, theouter side of the lead screw is in threaded connection with a threaded sleeve, the side face of the threaded sleeve is rotationally connected with a connecting rod through a rotating shaft, and a moving block is movably installed at the other end of the connecting rod. A drilling machine and a grinding machine are mounted at the bottom ends of a first electric push rod and a second electric push rod correspondingly, handles are mounted on the side surfaces of the drilling machine and the grinding machine, when hardware needs to be drilled or ground, the handle on the drilling machine or the grinding machine is held, the electric push rod is started, then drilling or edge grinding operation can be conducted on the hardware, the equipment integrates drilling and edge grinding, the situationin which the hardware in a hardware clamping plate is adjusted many times is avoided, and manpower and material resources are saved.

The invention discloses an implementation method for linear adjustment and cable force adjustment of an overall bridge floor of a suspension bridge. The implementation steps are as follows: 1, performing field measurement identification; 2, establishing a finite element analysis model; 3, analyzing the structural sensitivity; step 4, establishing a relation matrix; 5, determining a basic adjustment target; step 6, formulating a scheme; step 7, formulating a solution; step 8, performing effect simulation verification; step 9, performing on-site implementation; and step 10, performing result verification. The invention mainly solves the problems that the bridge floor line shape adjustment and the sling force adjustment planning of the suspension bridge are coordinated and synchronously carried out, a to-be-achieved multi-target plan is planned, the bridge floor line shape and the sling force are simultaneously adjusted in place at a time, and the conditions that on-site repeated trial adjustment is conducted, the adjustment result is not ideal, and the line shape and the sling force cannot be considered at the same time are improved.

The invention discloses a selenium-enriched tuna bone collagen peptide and a preparation method thereof, and belongs to the field of functional polypeptides. The preparation method comprises the following steps of: breaking and cleaning raw material tuna bone and putting into a dilute hydrochloric acid solution to be soaked, and after being treated, washing the raw material tuna bone by clear water until a pH value is 2-6 to obtain selenium-enriched tuna bone collagen; performing pyrolysis at 60-90 DEG C for 2-6h, adjusting the pH of the solution, adding protease for enzymolysis for 2-6h, andsequentially performing enzyme inactivation, decolorization and deodorization, filtration and drying treatment on the solution to obtain the selenium-enriched tuna bone collagen peptide. A selenium content of the selenium-enriched tuna bone collagen peptide prepared by the method is 2-2.63mg / kg, which reaches the national standard of selenium content, trace elements such as calcium, magnesium, zinc and the like are simultaneously contained, purity of the selenium-enriched tuna bone collagen peptide is 93.7%, an ash content is less than or equal to 3%, and an oxidation resistance IC50 value measured by an ABTS method is 0.5-1mg / ml.

The invention discloses a sector roller-table type parallel parking space auxiliary device. The sector roller-table type parallel parking space auxiliary device comprises a group of rollers arranged in a sector shape, a friction plate is arranged below the roller group, the friction plate is controlled by an escapement wrench, and the friction plate can be attached to or separated from the rollergroup. When a vehicle is parked, a driver parks and places rear wheels of the vehicle above the roller group, the escapement wrench is pulled to separate the friction plate from the roller group aftera parking brake is pulled, the rear half of the vehicle is pushed to the parking space direction, and the rear wheels of the vehicle slide in the roller arrangement direction on the sector roller group, so that the whole vehicle swings around front wheels of the vehicle in a sector mode, when the vehicle arrives at a designated parking space, the escapement wrench is finally pulled up to fix therollers. When the vehicle is taken, the driver first separates the friction plate from the roller group through the escapement wrench, the rear half of the vehicle is then pushed to enable the rear half of the vehicle swing out of the parking space, after the vehicle swings to the angle enabling the vehicle drive out of the parking space conveniently, the driver pulls up the escapement wrench andthen gets on the vehicle to bake the front part of the vehicle out of the parking space, and the process of taking the vehicle is completed.

The invention relates to an end concentricity assembling and adjusting mechanism and an adjusting method thereof. The end concentricity assembling and adjusting mechanism comprises a base (1), an end(2), a laser emitting device (3), a supporting frame (4), a target disc (5) and a hoop (6). The top surface of the base (1) is provided with an end head (2) and a support frame (4), and the end head (2) and the support frame (4) are oppositely arranged and are positioned on the same straight line; the laser emitting device (3) is fixedly connected to the end (2) through a hoop (6), the target disc(5) is arranged on the supporting frame (4), and the laser emitting device (3) and the target disc (5) are oppositely arranged. According to the end concentricity assembly adjusting mechanism and theadjusting method thereof, the structure is simple, adjustment is convenient, the precision is high, errors are small, time and labor are saved, the production efficiency is improved, and the production cost is reduced.

The invention discloses a carrying task labor intensity load measurement experiment system and method. The system is formed by two adjustable placing benches, variable-weight carrying boxes and carrying information acquisition devices. The adjustable placing benches and the variable-weight carrying boxes are used for simulating carrying tasks under various work conditions; and the carrying information acquisition devices are used for synchronously collecting and simulating carrying frequency and carrying height in the carrying task process. The device can carry out unified planning and collection on key elements, such as carrying height, carrying frequency and carrying weight, for calculation of labor intensity under a specific carrying task, thereby reducing experiment errors and facilitating carrying out the experiment. The system and method can calculate the amount of heat produced by a human body in unit time, and determine labor intensity load of an actual carrying task based on design of carrying distance, carrying weight and carrying time and according to the collected carrying frequency.

The invention discloses a lumbar endoscopic fusion technology assisted by electromagnetic navigation, and particularly relates to the technical field of lumbar minimally invasive surgeries. The technology comprises the following specific steps: 1 carrying out image matching; 2 registering an open-circuit cone; 3 registering a puncture needle, a guide rod and a working channel; 4 registering a trephine; and 5 registering an instrument under the microscope. The steps 1 to 5 are combined with an electromagnetic navigation technology, visualization of the whole surgery process is achieved, surgical instruments are continuously tracked, intraoperative fluoroscopy is avoided, the surgery time is shortened, intraoperative radiation of patients and medical staff is reduced, an operation path is planned before operation, the angle and the position of the instruments can be adjusted in time according to a holographic image presented by the electromagnetic navigation system during the surgery, so that the precision of the surgery is realized, repeated adjustment of a pipeline, excessive traction of muscles and unnecessary excision of a bony structure are avoided, nerve injury is avoided, and the surgery effect is ensured.

The invention provides an adjustable flexible butt-joint charging device and a butt-joint method thereof, and belongs to the technical field of mobile robot autonomous charging. The adjustable flexible butt-joint charging device comprises a flexible butt-joint head and a position adjusting assembly, the flexible butt-joint head comprises a flexible telescopic electrode which telescopes and floats during electrode butt-joint; and the position adjusting assembly is connected with the flexible butt joint, and used for adjusting the positions of the flexible butt joint in the longitudinal direction, the transverse direction and the height direction. According to the adjustable flexible butt joint charging device, under the condition that a certain error exists between the robot chassis pose and navigation positioning, it is guaranteed that the electrodes are in butt joint and tightly attached, the chassis pose is prevented from being adjusted many times, and the butt joint efficiency and reliability are improved.

The invention discloses a rubber plug transferring mechanism for a filling machine. The rubber plug transferring mechanism is characterized by comprising a rubber taking star wheel, wherein the rubber taking star wheel penetrates through a plug taking star wheel rotating shaft, a friction ring and a sliding sleeve, a locking rotary knob is arranged at the top end of the sliding sleeve, the sliding sleeve is wound on the outer side of the plug taking star wheel rotating shaft, a gear is arranged on the bottom of the plug taking star wheel rotating shaft, a flat key is arranged between the sliding sleeve and the plug taking star wheel rotating shaft, the sliding sleeve is connected with one end of a fixing block through a flange bearing on the outer side of the sliding sleeve, a rubber plug track is arranged at the other end of the fixing block, a locking screw is arranged in the middle of the fixing block, and the locking screw sequentially penetrates through the fixing block and nuts for the star wheel to vertically move to be connected with a threaded rod for the star wheel to vertically move. The rubber plug transferring mechanism has the advantages of being simple and compact in structure, low in cost and the like.

The invention discloses a concrete admixture as well as a preparation method and application thereof. The concrete admixture is prepared from an unsaturated polyether macromonomer, unsaturated fatty acid or anhydride thereof, methoxy polyethylene glycol thioglycolate, 2-acrylamide-2-methylpropanesulfonic acid, unsaturated phosphate, an unsaturated mud inhibitor, an initiator, a reducing agent and water according to a molar ratio of 1: (0.01-0.04): (0.02-0.4): (0.003-0.4): (0.1-0.5): (0.1-0.4): (0.002-0.08): (0.01-0.03). In the raw materials, the unsaturated polyether macromonomer forms a long main chain, and the other substances are connected to the main chain through unsaturated double bonds to form branched chains with different lengths, so that an excellent steric hindrance combination effect can be generated, and the concrete admixture has excellent water reducing property and slump retaining property and can adapt to machine-made sand with the silt content fluctuating within the range of 5 wt%-10 wt% and the stone powder content fluctuating within the range of 8 wt%-14 wt%.

The present disclosure relates to a camera viewing angle adjustment method and device, and belongs to the technical field of image processing. The method includes: acquiring a reference image captured within the viewing angle of the camera; graying the reference image; and calculating the gray value of each pixel on the reference line for each reference line on the reference image sum, to obtain the total gray value of the reference line, the reference line is one of the rows and columns on the reference map; according to the total gray value of each reference line, it is reminded to adjust the camera’s perspective. It solves the problem that the image obtained when the user adjusts the camera angle of view according to his own feeling still has an unreasonable composition problem; realizes that when the image composition obtained by using the camera is unreasonable, the user is reminded to adjust the camera angle of view to achieve In order to improve the effect of user experience.

The invention discloses a spectrum characteristic parameter-based moisture content detection device of roasting Duyun tippy tea. The structure of spectrum characteristic parameter-based moisture content detection device comprises a base, a sample chamber, a detector, a power supply, a light source and an interferometer, wherein the sample chamber is arranged on the base, the detector is arranged at a left side of the sample chamber, the interferometer is arranged at a right side of the sample chamber, the power supply is arranged in behind of the sample chamber, the light source is arranged ata right side of the power supply, a magnetic suspension device and an uniform sample device are arranged in the sample chamber, the uniform sample device is arranged on the magnetic suspension device, the magnetic suspension device comprises a magnetic suspension base, a suspension object, a white plate and a tray, the suspension object is arranged on the magnetic suspension base, the tray is connected with the top of the magnetic suspension object, and the white plate is arranged at the bottom of the interior of the tray. The spectrum characteristic parameter-based moisture content detectiondevice has the beneficial effects that uniform scattering is performed in a mosquito-repellent incense shape, the tea can be uniformly distributed, and adjustment for many times due to artificial placement is prevented; and moreover, the tray is suspended by a magnetic suspension principle, tea displacement of the tray due to equipment vibration can be prevented, so that the detection accuracy isimproved.

The invention discloses an autonomous recognition system and method for uncertain poses of a robot, the autonomous recognition system comprises the robot and an environment marker, and the robot comprises a control and calculation unit, a motion unit, a visual sensor and a laser ranging sensor; the environment markers comprise a primary position marker and an accurate position marker, autonomous perception of the environment is achieved through equipment of the robot, then the current pose of the robot is recognized, the robot does not depend on support of an external intelligent equipment system, and the complexity and cost of the system are reduced; and through pose deviation compensation, the situation that the robot reaches the standard operation pose after multiple times of pose adjustment can be avoided, reasonable pose deviation can be allowed, and it is ensured that the robot reaches the working result consistent with the standard operation pose under the non-standard operation pose, so that the robot can work after entering an operation point at a time, multiple times of position adjustment is avoided, and the working efficiency is improved. The robot working efficiency is improved.

The invention provides a construction method of a curb stone. First, the "double-line control method" is used to install the curb stone, and then the "gantry support construction technology" is used to manufacture the curb stone backrest, and finally the asphalt is paved. The "double-line control method" speeds up the installation speed, reduces adjustments, and improves the straightness and appearance quality of the vertical stone; the "gantry support construction technology" speeds up the installation speed of the vertical stone backrest and concrete formwork, thereby greatly reducing labor. The investment of personnel and the improvement of the construction quality have provided a basic guarantee for the subsequent asphalt concrete construction, ensured the overall smoothness of the road surface, and achieved good results such as beautiful road surface, straight line and comfortable driving. Compared with the traditional technology, it reduces the workload of construction control such as measurement, verification, and inspection, and at the same time improves work efficiency and shortens the construction period. It has good social and economic benefits. The application space has promotion value.

Provided are a mobile terminal positioning measurement processing method and device. The mobile terminal positioning measurement processing method of the present invention comprises: receiving measurement status information of a mobile terminal, the measurement status information comprising a measurement carrier and / or a measurement frequency currently used by the mobile terminal; selecting, according to the measurement status information, multiple target base stations for sending positioning reference signals for the mobile terminal, the target base stations being base stations that send positioning reference signals by using the measurement carrier and / or the measurement frequency currently used by the mobile terminal; delivering positioning measurement auxiliary information of the selected target base stations to the mobile terminal, for the mobile terminal to measure the positioning reference signal sent by the target base stations. The present invention avoids multiple-time adjustment of the radio frequency chain, achieves continuous conduction of services on the measurement carrier and / or the measurement frequency currently used by the mobile terminal, thereby improving the throughput.

The invention discloses an integral lifting method for a discharging platform. The integral lifting method includes the steps: enabling the discharging platform to climb along an attached lifting scaffold under pulling of an auxiliary pull rope until the discharging platform is 50cm higher than a first floor plate, stopping climbing of the attached lifting scaffold and detaching a bracket from the discharging platform; continuing climbing of the discharging platform until the discharging platform is 50cm higher than a second floor plate, detachably and fixedly connecting the bracket with the discharging platform, disconnecting a stress rope and a safety rope from a third floor plate and fixing the stress rope and the safety rope to a fourth floor plate; enabling the discharging platform to descend along the attached lifting scaffold until the bracket is abutted to the second floor plate. By optimizing the lifting steps, the bracket contacts with a target floor to serve as a criterion of in-place lifting of the discharging platform, and the lifting efficiency of the discharging platform is greatly improved. In addition, safety of the discharging platform in the lifting process is further improved.

The invention discloses a device for detecting moisture content of machine-fried Duyun Maojian tea based on spectral characteristic parameters. Its structure includes a base, a sample chamber, a detector, a power supply, a light source, and an interferometer. There is a detector, an interferometer is set on the right side of the sample chamber, a power supply is installed behind the sample chamber, a light source is installed on the right side of the power supply, a magnetic suspension device and a uniform sample device are installed in the sample chamber, and the uniform sample device is set above the magnetic suspension device , The magnetic suspension device includes a magnetic suspension base, a suspension, a whiteboard, and a tray. The suspension is arranged above the magnetic suspension base, the top of the suspension is connected to a tray, and the inner bottom of the tray is provided with a whiteboard. Spreading the material can make the tea leaves evenly distributed, avoiding manual placement and multiple adjustments, and using the principle of magnetic levitation to place the tray in the air can prevent the vibration of the equipment from displacing the tea leaves in the tray, thereby improving the detection accuracy.

The invention belongs to the technical field of building of nuclear power plants. To solve the problems that in the process of manufacturing and mounting an embedded part of a wellhead of a high-temperature gas-cooled reactor vertical well, the embedded part deforms easily, machining precision is affected easily, and the job time of technicians is long, the auxiliary device for manufacturing and mounting the embedded part of the wellhead of the high-temperature gas-cooled reactor vertical well is provided. The auxiliary device comprises an external tool and at least three internal tools. Each internal tool comprises a center pipe. Multiple supporting columns are radially distributed on the outer wall of each center pipe. The ends, far away from the corresponding center pipe, of the supporting columns are provided with jackscrews. The jackscrews are connected with supporting plates. The supporting plates are each of an arc-shaped structure the same as the structure of a cylinder body of the embedded part. The external tool comprises a body. The body is of a cylindrical structure and is provided with multiple adjusting bolts. The ends, located on the inner side of the body, of the adjusting bolts are provided with spacers. By the adoption of the auxiliary device, assembly welding of cylinder bodies of embedded parts can be completed quickly, it is guaranteed that machining precision meets the requirement, and deformation in the mounting process is prevented.

The present invention provides a gas analyzer sample gas chamber apparatus with a characteristic of easy optical path adjustment. The gas analyzer sample gas chamber apparatus comprises a sample gas chamber pipe, a proximal end spherical reflecting mirror and a distal end spherical reflecting mirror, wherein the proximal end spherical reflecting mirror and the distal end spherical reflecting mirror are arranged inside the sample gas chamber pipe. The gas analyzer sample gas chamber apparatus further comprises an adjustment device forming a sealed connection with the inner wall of the sample gas chamber pipe and provided for adjusting a distance between the proximal end spherical reflecting mirror and the distal end spherical reflecting mirror, wherein the distal end spherical reflecting mirror or the proximal end spherical reflecting mirror is connected with the adjustment device. According to the present invention, during detection, the adjustment device arranged on the inner wall of the sample gas chamber pipe can be adjusted, such that the distance between the proximal end spherical reflecting mirror and the distal end spherical reflecting mirror can be correspondingly changed so as to meet detection requirements; and the adjustment device is adjusted, such that the distance between the distal end spherical reflecting mirror arranged on the adjustment device and the proximal end spherical reflecting mirror is correspondingly changed so as to avoid multiple adjustment processes of the distal end spherical reflecting mirror and effectively reduce labor intensity of operators.